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Posted to commits@skywalking.apache.org by ke...@apache.org on 2023/10/30 12:03:27 UTC

(skywalking-helm) branch master updated: doc: supplement the document for oap service (#137)

This is an automated email from the ASF dual-hosted git repository.

kezhenxu94 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking-helm.git


The following commit(s) were added to refs/heads/master by this push:
     new 138f55f  doc: supplement the document for oap service (#137)
138f55f is described below

commit 138f55f81b544bd50b9c9e613244fa4dba6d1fb4
Author: Harry <in...@gmail.com>
AuthorDate: Mon Oct 30 20:03:22 2023 +0800

    doc: supplement the document for oap service (#137)
---
 chart/skywalking/README.md   | 300 ++++++++++++++++++++++---------------------
 chart/skywalking/values.yaml |   2 +
 2 files changed, 158 insertions(+), 144 deletions(-)

diff --git a/chart/skywalking/README.md b/chart/skywalking/README.md
index aab4729..dc48fa8 100644
--- a/chart/skywalking/README.md
+++ b/chart/skywalking/README.md
@@ -1,16 +1,18 @@
 # Apache Skywalking Helm Chart
 
-[Apache SkyWalking](https://skywalking.apache.org/) is application performance monitor tool for distributed systems, especially designed for microservices, cloud native and container-based (Docker, K8s, Mesos) architectures.
+[Apache SkyWalking](https://skywalking.apache.org/) is application performance monitor tool for distributed systems,
+especially designed for microservices, cloud native and container-based (Docker, K8s, Mesos) architectures.
 
 ## Introduction
 
-This chart bootstraps a [Apache SkyWalking](https://skywalking.apache.org/) deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
+This chart bootstraps a [Apache SkyWalking](https://skywalking.apache.org/) deployment on
+a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
 
 ## Prerequisites
 
- - Kubernetes 1.9.6+
- - PV dynamic provisioning support on the underlying infrastructure (StorageClass)
- - Helm 3
+- Kubernetes 1.9.6+
+- PV dynamic provisioning support on the underlying infrastructure (StorageClass)
+- Helm 3
 
 ## Installing the Chart
 
@@ -20,7 +22,8 @@ To install the chart with the release name `my-release`:
 $ helm install my-release skywalking -n <namespace>
 ```
 
-The command deploys Apache SkyWalking on the Kubernetes cluster in the default configuration. The [configuration](#configuration) section lists the parameters that can be configured during installation.
+The command deploys Apache SkyWalking on the Kubernetes cluster in the default configuration.
+The [configuration](#configuration) section lists the parameters that can be configured during installation.
 
 > **Tip**: List all releases using `helm list`
 
@@ -38,140 +41,141 @@ The command removes all the Kubernetes components associated with the chart and
 
 The following table lists the configurable parameters of the Skywalking chart and their default values.
 
-| Parameter                              | Description                                                                                                                                                                                                                                                                                                                | Default                                                                                                                 |
-|----------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------|
-| `nameOverride`                         | Override name                                                                                                                                                                                                                                                                                                              | `nil`                                                                                                                   |
-| `serviceAccounts.oap.create`           | Create of the OAP service account                                                                                                                                                                                                                                                                                          | `true`                                                                                                                  |
-| `serviceAccounts.oap.name`             | Name of the OAP service account to use custom service account when `serviceAccounts.oap.create` is set to false                                                                                                                                                                                                            | ``                                                                                                                     |
-| `imagePullSecrets`                     | Image pull secrets                                                                                                                                                                                                                                                                                                         | `[]`                                                                                                                    |
-| `oap.name`                             | OAP deployment name                                                                                                                                                                                                                                                                                                        | `oap`                                                                                                                   |
-| `oap.dynamicConfig.enabled`            | Enable oap dynamic configuration through k8s configmap                                                                                                                                                                                                                                                                     | `false`                                                                                                                 |
-| `oap.dynamicConfig.period`             | Sync period in seconds                                                                                                                                                                                                                                                                                                     | `60`                                                                                                                    |
-| `oap.dynamicConfig.config`             | Oap dynamic configuration [documentation](https://github.com/apache/skywalking/blob/master/docs/en/setup/backend/dynamic-config.md)                                                                                                                                                                                        | `{}`                                                                                                                    |
-| `oap.image.repository`                 | OAP container image name                                                                                                                                                                                                                                                                                                   | `skywalking.docker.scarf.sh/apache/skywalking-oap-server`                                                               |
-| `oap.image.tag`                        | OAP container image tag                                                                                                                                                                                                                                                                                                    | `6.1.0`                                                                                                                 |
-| `oap.image.pullPolicy`                 | OAP container image pull policy                                                                                                                                                                                                                                                                                            | `IfNotPresent`                                                                                                          |
-| `oap.ports.grpc`                       | OAP grpc port for tracing or metric                                                                                                                                                                                                                                                                                        | `11800`                                                                                                                 |
-| `oap.ports.rest`                       | OAP http port for Web UI                                                                                                                                                                                                                                                                                                   | `12800`                                                                                                                 |
-| `oap.ports.zipkinreceiver`             | OAP http port for Zipkin receiver(not exposed by default)                                                                                                                                                                                                                                                                  | `9411`                                                                                                                 |
-| `oap.ports.zipkinquery`                | OAP http port for querying Zipkin traces and UI(not exposed by default)                                                                                                                                                                                                                                                    | `9412`                                                                                                                 |
-| `oap.replicas`                         | OAP k8s deployment replicas                                                                                                                                                                                                                                                                                                | `2`                                                                                                                     |
-| `oap.service.type`                     | OAP svc type                                                                                                                                                                                                                                                                                                               | `ClusterIP`                                                                                                             |
-| `oap.javaOpts`                         | Parameters to be added to `JAVA_OPTS`environment variable for OAP                                                                                                                                                                                                                                                          | `-Xms2g -Xmx2g`                                                                                                         |
-| `oap.antiAffinity`                     | OAP anti-affinity policy                                                                                                                                                                                                                                                                                                   | `soft`                                                                                                                  |
-| `oap.nodeAffinity`                     | OAP node affinity policy                                                                                                                                                                                                                                                                                                   | `{}`                                                                                                                    |
-| `oap.nodeSelector`                     | OAP labels for master pod assignment                                                                                                                                                                                                                                                                                       | `{}`                                                                                                                    |
-| `oap.tolerations`                      | OAP tolerations                                                                                                                                                                                                                                                                                                            | `[]`                                                                                                                    |
-| `oap.resources`                        | OAP node resources requests & limits                                                                                                                                                                                                                                                                                       | `{} - cpu limit must be an integer`                                                                                     |
-| `oap.startupProbe`                     | Configuration fields for the [startupProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                         | `tcpSocket.port: 12800` <br> `failureThreshold: 9` <br> `periodSeconds: 10`                                             
-| `oap.livenessProbe`                    | Configuration fields for the [livenessProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                        | `tcpSocket.port: 12800` <br> `initialDelaySeconds: 5` <br> `periodSeconds: 10`                                          
-| `oap.readinessProbe`                   | Configuration fields for the [readinessProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                       | `tcpSocket.port: 12800` <br> `initialDelaySeconds: 5` <br> `periodSeconds: 10`                                          
-| `oap.env`                              | OAP environment variables                                                                                                                                                                                                                                                                                                  | `[]`                                                                                                                    |
-| `oap.securityContext`                  | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                    |
-| `ui.name`                              | Web UI deployment name                                                                                                                                                                                                                                                                                                     | `ui`                                                                                                                    |
-| `ui.replicas`                          | Web UI k8s deployment replicas                                                                                                                                                                                                                                                                                             | `1`                                                                                                                     |
-| `ui.image.repository`                  | Web UI container image name                                                                                                                                                                                                                                                                                                | `skywalking.docker.scarf.sh/apache/skywalking-ui`                                                                       |
-| `ui.image.tag`                         | Web UI container image tag                                                                                                                                                                                                                                                                                                 | `6.1.0`                                                                                                                 |
-| `ui.image.pullPolicy`                  | Web UI container image pull policy                                                                                                                                                                                                                                                                                         | `IfNotPresent`                                                                                                          |
-| `ui.nodeAffinity`                      | Web UI node affinity policy                                                                                                                                                                                                                                                                                                | `{}`                                                                                                                    |
-| `ui.nodeSelector`                      | Web UI labels for pod assignment                                                                                                                                                                                                                                                                                           | `{}`                                                                                                                    |
-| `ui.tolerations`                       | Web UI tolerations                                                                                                                                                                                                                                                                                                         | `[]`                                                                                                                    |
-| `ui.ingress.enabled`                   | Create Ingress for Web UI                                                                                                                                                                                                                                                                                                  | `false`                                                                                                                 |
-| `ui.ingress.annotations`               | Associate annotations to the Ingress                                                                                                                                                                                                                                                                                       | `{}`                                                                                                                    |
-| `ui.ingress.path`                      | Associate path with the Ingress                                                                                                                                                                                                                                                                                            | `/`                                                                                                                     |
-| `ui.ingress.hosts`                     | Associate hosts with the Ingress                                                                                                                                                                                                                                                                                           | `[]`                                                                                                                    |
-| `ui.ingress.tls`                       | Associate TLS with the Ingress                                                                                                                                                                                                                                                                                             | `[]`                                                                                                                    |
-| `ui.service.type`                      | Web UI svc type                                                                                                                                                                                                                                                                                                            | `ClusterIP`                                                                                                             |
-| `ui.service.externalPort`              | external port for the service                                                                                                                                                                                                                                                                                              | `80`                                                                                                                    |
-| `ui.service.internalPort`              | internal port for the service                                                                                                                                                                                                                                                                                              | `8080`                                                                                                                  |
-| `ui.service.externalIPs`               | external IP addresses                                                                                                                                                                                                                                                                                                      | `nil`                                                                                                                   |
-| `ui.service.loadBalancerIP`            | Load Balancer IP address                                                                                                                                                                                                                                                                                                   | `nil`                                                                                                                   |
-| `ui.service.annotations`               | Kubernetes service annotations                                                                                                                                                                                                                                                                                             | `{}`                                                                                                                    |
-| `ui.service.loadBalancerSourceRanges`  | Limit load balancer source IPs to list of CIDRs (where available))                                                                                                                                                                                                                                                         | `[]`                                                                                                                    |
-| `ui.securityContext`                   | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                    |
-| `oapInit.nodeAffinity`                 | OAP init job node affinity policy                                                                                                                                                                                                                                                                                          | `{}`                                                                                                                    |
-| `oapInit.nodeSelector`                 | OAP init job labels for master pod assignment                                                                                                                                                                                                                                                                              | `{}`                                                                                                                    |
-| `oapInit.tolerations`                  | OAP init job tolerations                                                                                                                                                                                                                                                                                                   | `[]`                                                                                                                    |
-| `oapInit.extraPodLabels`               | OAP init job metadata labels                                                                                                                                                                                                                                                                                               | `[]`                                                                                                                    |
-| `elasticsearch.enabled`                | Spin up a new elasticsearch cluster for SkyWalking                                                                                                                                                                                                                                                                         | `true`                                                                                                                  |
-| `elasticsearch.clusterName`            | This will be used as the Elasticsearch [cluster.name](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster.name.html) and should be unique per cluster in the namespace                                                                                                                                 | `elasticsearch`                                                                                                         |
-| `elasticsearch.nodeGroup`              | This is the name that will be used for each group of nodes in the cluster. The name will be `clusterName-nodeGroup-X`                                                                                                                                                                                                      | `master`                                                                                                                |
-| `elasticsearch.masterService`          | Optional. The service name used to connect to the masters. You only need to set this if your master `nodeGroup` is set to something other than `master`. See [Clustering and Node Discovery](#clustering-and-node-discovery) for more information.                                                                         | ``                                                                                                                      |
-| `elasticsearch.roles`                  | A hash map with the [specific roles](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html) for the node group                                                                                                                                                                                 | `master: true`<br>`data: true`<br>`ingest: true`                                                                        |
-| `elasticsearch.replicas`               | Kubernetes replica count for the statefulset (i.e. how many pods)                                                                                                                                                                                                                                                          | `3`                                                                                                                     |
-| `elasticsearch.minimumMasterNodes`     | The value for [discovery.zen.minimum_master_nodes](https://www.elastic.co/guide/en/elasticsearch/reference/6.7/discovery-settings.html#minimum_master_nodes). Should be set to `(master_eligible_nodes / 2) + 1`. Ignored in Elasticsearch versions >= 7.                                                                  | `2`                                                                                                                     |
-| `elasticsearch.esMajorVersion`         | Used to set major version specific configuration. If you are using a custom image and not running the default Elasticsearch version you will need to set this to the version you are running (e.g. `esMajorVersion: 6`)                                                                                                    | `""`                                                                                                                    |
-| `elasticsearch.esConfig`               | Allows you to add any config files in `/usr/share/elasticsearch/config/` such as `elasticsearch.yml` and `log4j2.properties`. See [values.yaml](./values.yaml) for an example of the formatting.                                                                                                                           | `{}`                                                                                                                    |
-| `elasticsearch.extraEnvs`              | Extra [environment variables](https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/#using-environment-variables-inside-of-your-config) which will be appended to the `env:` definition for the container                                                                         | `[]`                                                                                                                    |
-| `elasticsearch.extraVolumes`           | Templatable string of additional volumes to be passed to the `tpl` function                                                                                                                                                                                                                                                | `""`                                                                                                                    |
-| `elasticsearch.extraVolumeMounts`      | Templatable string of additional volumeMounts to be passed to the `tpl` function                                                                                                                                                                                                                                           | `""`                                                                                                                    |
-| `elasticsearch.extraInitContainers`    | Templatable string of additional init containers to be passed to the `tpl` function                                                                                                                                                                                                                                        | `""`                                                                                                                    |
-| `elasticsearch.secretMounts`           | Allows you easily mount a secret as a file inside the statefulset. Useful for mounting certificates and other secrets. See [values.yaml](./values.yaml) for an example                                                                                                                                                     | `[]`                                                                                                                    |
-| `elasticsearch.image`                  | The Elasticsearch docker image                                                                                                                                                                                                                                                                                             | `docker.elastic.co/elasticsearch/elasticsearch`                                                                         |
-| `elasticsearch.imageTag`               | The Elasticsearch docker image tag                                                                                                                                                                                                                                                                                         | `7.5.1`                                                                                                                 |
-| `elasticsearch.imagePullPolicy`        | The Kubernetes [imagePullPolicy](https://kubernetes.io/docs/concepts/containers/images/#updating-images) value                                                                                                                                                                                                             | `IfNotPresent`                                                                                                          |
-| `elasticsearch.podAnnotations`         | Configurable [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) applied to all Elasticsearch pods                                                                                                                                                                               | `{}`                                                                                                                    |
-| `elasticsearch.labels`                 | Configurable [label](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/) applied to all Elasticsearch pods                                                                                                                                                                                          | `{}`                                                                                                                    |
-| `elasticsearch.esJavaOpts`             | [Java options](https://www.elastic.co/guide/en/elasticsearch/reference/current/jvm-options.html) for Elasticsearch. This is where you should configure the [jvm heap size](https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html)                                                                 | `-Xmx1g -Xms1g`                                                                                                         |
-| `elasticsearch.resources`              | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the statefulset                                                                                                                                                                               | `requests.cpu: 100m`<br>`requests.memory: 2Gi`<br>`limits.cpu: 1000m`<br>`limits.memory: 2Gi`                           |
-| `elasticsearch.initResources`          | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the initContainer in the statefulset                                                                                                                                                          | {}                                                                                                                      |
-| `elasticsearch.sidecarResources`       | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the sidecar containers in the statefulset                                                                                                                                                     | {}                                                                                                                      |
-| `elasticsearch.networkHost`            | Value for the [network.host Elasticsearch setting](https://www.elastic.co/guide/en/elasticsearch/reference/current/network.host.html)                                                                                                                                                                                      | `0.0.0.0`                                                                                                               |
-| `elasticsearch.volumeClaimTemplate`    | Configuration for the [volumeClaimTemplate for statefulsets](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#stable-storage). You will want to adjust the storage (default `30Gi`) and the `storageClassName` if you are using a different storage class                                            | `accessModes: [ "ReadWriteOnce" ]`<br>`resources.requests.storage: 30Gi`                                                |
-| `elasticsearch.persistence.annotations` | Additional persistence annotations for the `volumeClaimTemplate`                                                                                                                                                                                                                                                           | `{}`                                                                                                                    |
-| `elasticsearch.persistence.enabled`    | Enables a persistent volume for Elasticsearch data. Can be disabled for nodes that only have [roles](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html) which don't require persistent data.                                                                                               | `true`                                                                                                                  |
-| `elasticsearch.priorityClassName`      | The [name of the PriorityClass](https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass). No default is supplied as the PriorityClass must be created first.                                                                                                                              | `""`                                                                                                                    |
-| `elasticsearch.antiAffinityTopologyKey` | The [anti-affinity topology key](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity). By default this will prevent multiple Elasticsearch nodes from running on the same Kubernetes node                                                                                        | `kubernetes.io/hostname`                                                                                                |
-| `elasticsearch.antiAffinity`           | Setting this to hard enforces the [anti-affinity rules](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity). If it is set to soft it will be done "best effort". Other values will be ignored.                                                                                  | `hard`                                                                                                                  |
-| `elasticsearch.nodeAffinity`           | Value for the [node affinity settings](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#node-affinity-beta-feature)                                                                                                                                                                                      | `{}`                                                                                                                    |
-| `elasticsearch.podManagementPolicy`    | By default Kubernetes [deploys statefulsets serially](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#pod-management-policies). This deploys them in parallel so that they can discover eachother                                                                                                   | `Parallel`                                                                                                              |
-| `elasticsearch.protocol`               | The protocol that will be used for the readinessProbe. Change this to `https` if you have `xpack.security.http.ssl.enabled` set                                                                                                                                                                                            | `http`                                                                                                                  |
-| `elasticsearch.httpPort`               | The http port that Kubernetes will use for the healthchecks and the service. If you change this you will also need to set [http.port](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-http.html#_settings) in `extraEnvs`                                                                          | `9200`                                                                                                                  |
-| `elasticsearch.transportPort`          | The transport port that Kubernetes will use for the service. If you change this you will also need to set [transport port configuration](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-transport.html#_transport_settings) in `extraEnvs`                                                        | `9300`                                                                                                                  |
-| `elasticsearch.service.labels`         | Labels to be added to non-headless service                                                                                                                                                                                                                                                                                 | `{}`                                                                                                                    |
-| `elasticsearch.service.labelsHeadless` | Labels to be added to headless service                                                                                                                                                                                                                                                                                     | `{}`                                                                                                                    |
-| `elasticsearch.service.type`           | Type of elasticsearch service. [Service Types](https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types)                                                                                                                                                                         | `ClusterIP`                                                                                                             |
-| `elasticsearch.service.nodePort`       | Custom [nodePort](https://kubernetes.io/docs/concepts/services-networking/service/#nodeport) port that can be set if you are using `service.type: nodePort`.                                                                                                                                                               | ``                                                                                                                      |
-| `elasticsearch.service.annotations`    | Annotations that Kubernetes will use for the service. This will configure load balancer if `service.type` is `LoadBalancer` [Annotations](https://kubernetes.io/docs/concepts/services-networking/service/#ssl-support-on-aws)                                                                                             | `{}`                                                                                                                    |
-| `elasticsearch.service.httpPortName`   | The name of the http port within the service                                                                                                                                                                                                                                                                               | `http`                                                                                                                  |
-| `elasticsearch.service.transportPortName` | The name of the transport port within the service                                                                                                                                                                                                                                                                          | `transport`                                                                                                             |
-| `elasticsearch.updateStrategy`         | The [updateStrategy](https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#updating-statefulsets) for the statefulset. By default Kubernetes will wait for the cluster to be green after upgrading each pod. Setting this to `OnDelete` will allow you to manually delete each pod during upgrades | `RollingUpdate`                                                                                                         |
-| `elasticsearch.maxUnavailable`         | The [maxUnavailable](https://kubernetes.io/docs/tasks/run-application/configure-pdb/#specifying-a-poddisruptionbudget) value for the pod disruption budget. By default this will prevent Kubernetes from having more than 1 unhealthy pod in the node group                                                                | `1`                                                                                                                     |
-| `elasticsearch.fsGroup (DEPRECATED)`   | The Group ID (GID) for [securityContext.fsGroup](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) so that the Elasticsearch user can read from the persistent volume                                                                                                                            | ``                                                                                                                      |
-| `elasticsearch.podSecurityContext`     | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                    |
-| `elasticsearch.securityContext`        | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container) for the container                                                                                                                                             | `capabilities.drop:[ALL]`<br>`runAsNonRoot: true`<br>`runAsUser: 1000`                                                  |
-| `elasticsearch.terminationGracePeriod` | The [terminationGracePeriod](https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods) in seconds used when trying to stop the pod                                                                                                                                                                      | `120`                                                                                                                   |
-| `elasticsearch.sysctlInitContainer.enabled` | Allows you to disable the sysctlInitContainer if you are setting vm.max_map_count with another method                                                                                                                                                                                                                      | `true`                                                                                                                  |
-| `elasticsearch.sysctlVmMaxMapCount`    | Sets the [sysctl vm.max_map_count](https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html#vm-max-map-count) needed for Elasticsearch                                                                                                                                                        | `262144`                                                                                                                |
+| Parameter                              | Description                                                                                                                                                                                                                                                                                                                | Default                                                                                                                  |
+|----------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------|
+| `nameOverride`                         | Override name                                                                                                                                                                                                                                                                                                              | `nil`                                                                                                                    |
+| `serviceAccounts.oap.create`           | Create of the OAP service account                                                                                                                                                                                                                                                                                          | `true`                                                                                                                   |
+| `serviceAccounts.oap.name`             | Name of the OAP service account to use custom service account when `serviceAccounts.oap.create` is set to false                                                                                                                                                                                                            | ``                                                                                                                       |
+| `imagePullSecrets`                     | Image pull secrets                                                                                                                                                                                                                                                                                                         | `[]`                                                                                                                     |
+| `oap.name`                             | OAP deployment name                                                                                                                                                                                                                                                                                                        | `oap`                                                                                                                    |
+| `oap.dynamicConfig.enabled`            | Enable oap dynamic configuration through k8s configmap                                                                                                                                                                                                                                                                     | `false`                                                                                                                  |
+| `oap.dynamicConfig.period`             | Sync period in seconds                                                                                                                                                                                                                                                                                                     | `60`                                                                                                                     |
+| `oap.dynamicConfig.config`             | Oap dynamic configuration [documentation](https://github.com/apache/skywalking/blob/master/docs/en/setup/backend/dynamic-config.md)                                                                                                                                                                                        | `{}`                                                                                                                     |
+| `oap.image.repository`                 | OAP container image name                                                                                                                                                                                                                                                                                                   | `skywalking.docker.scarf.sh/apache/skywalking-oap-server`                                                                |
+| `oap.image.tag`                        | OAP container image tag                                                                                                                                                                                                                                                                                                    | `6.1.0`                                                                                                                  |
+| `oap.image.pullPolicy`                 | OAP container image pull policy                                                                                                                                                                                                                                                                                            | `IfNotPresent`                                                                                                           |
+| `oap.ports.grpc`                       | OAP grpc port for tracing or metric                                                                                                                                                                                                                                                                                        | `11800`                                                                                                                  |
+| `oap.ports.rest`                       | OAP http port for Web UI                                                                                                                                                                                                                                                                                                   | `12800`                                                                                                                  |
+| `oap.ports.zipkinreceiver`             | OAP http port for Zipkin receiver(not exposed by default)                                                                                                                                                                                                                                                                  | `9411`                                                                                                                   |
+| `oap.ports.zipkinquery`                | OAP http port for querying Zipkin traces and UI(not exposed by default)                                                                                                                                                                                                                                                    | `9412`                                                                                                                   |
+| `oap.replicas`                         | OAP k8s deployment replicas                                                                                                                                                                                                                                                                                                | `2`                                                                                                                      |
+| `oap.service.type`                     | OAP svc type                                                                                                                                                                                                                                                                                                               | `ClusterIP`                                                                                                              |
+| `oap.service.annotations`              | OAP svc annotations                                                                                                                                                                                                                                                                                                        | `{}`                                                                                                                     |
+| `oap.javaOpts`                         | Parameters to be added to `JAVA_OPTS`environment variable for OAP                                                                                                                                                                                                                                                          | `-Xms2g -Xmx2g`                                                                                                          |
+| `oap.antiAffinity`                     | OAP anti-affinity policy                                                                                                                                                                                                                                                                                                   | `soft`                                                                                                                   |
+| `oap.nodeAffinity`                     | OAP node affinity policy                                                                                                                                                                                                                                                                                                   | `{}`                                                                                                                     |
+| `oap.nodeSelector`                     | OAP labels for master pod assignment                                                                                                                                                                                                                                                                                       | `{}`                                                                                                                     |
+| `oap.tolerations`                      | OAP tolerations                                                                                                                                                                                                                                                                                                            | `[]`                                                                                                                     |
+| `oap.resources`                        | OAP node resources requests & limits                                                                                                                                                                                                                                                                                       | `{} - cpu limit must be an integer`                                                                                      |
+| `oap.startupProbe`                     | Configuration fields for the [startupProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                         | `tcpSocket.port: 12800` <br> `failureThreshold: 9` <br> `periodSeconds: 10`                                              
+| `oap.livenessProbe`                    | Configuration fields for the [livenessProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                        | `tcpSocket.port: 12800` <br> `initialDelaySeconds: 5` <br> `periodSeconds: 10`                                           
+| `oap.readinessProbe`                   | Configuration fields for the [readinessProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/)                                                                                                                                                                       | `tcpSocket.port: 12800` <br> `initialDelaySeconds: 5` <br> `periodSeconds: 10`                                           
+| `oap.env`                              | OAP environment variables                                                                                                                                                                                                                                                                                                  | `[]`                                                                                                                     |
+| `oap.securityContext`                  | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                     |
+| `ui.name`                              | Web UI deployment name                                                                                                                                                                                                                                                                                                     | `ui`                                                                                                                     |
+| `ui.replicas`                          | Web UI k8s deployment replicas                                                                                                                                                                                                                                                                                             | `1`                                                                                                                      |
+| `ui.image.repository`                  | Web UI container image name                                                                                                                                                                                                                                                                                                | `skywalking.docker.scarf.sh/apache/skywalking-ui`                                                                        |
+| `ui.image.tag`                         | Web UI container image tag                                                                                                                                                                                                                                                                                                 | `6.1.0`                                                                                                                  |
+| `ui.image.pullPolicy`                  | Web UI container image pull policy                                                                                                                                                                                                                                                                                         | `IfNotPresent`                                                                                                           |
+| `ui.nodeAffinity`                      | Web UI node affinity policy                                                                                                                                                                                                                                                                                                | `{}`                                                                                                                     |
+| `ui.nodeSelector`                      | Web UI labels for pod assignment                                                                                                                                                                                                                                                                                           | `{}`                                                                                                                     |
+| `ui.tolerations`                       | Web UI tolerations                                                                                                                                                                                                                                                                                                         | `[]`                                                                                                                     |
+| `ui.ingress.enabled`                   | Create Ingress for Web UI                                                                                                                                                                                                                                                                                                  | `false`                                                                                                                  |
+| `ui.ingress.annotations`               | Associate annotations to the Ingress                                                                                                                                                                                                                                                                                       | `{}`                                                                                                                     |
+| `ui.ingress.path`                      | Associate path with the Ingress                                                                                                                                                                                                                                                                                            | `/`                                                                                                                      |
+| `ui.ingress.hosts`                     | Associate hosts with the Ingress                                                                                                                                                                                                                                                                                           | `[]`                                                                                                                     |
+| `ui.ingress.tls`                       | Associate TLS with the Ingress                                                                                                                                                                                                                                                                                             | `[]`                                                                                                                     |
+| `ui.service.type`                      | Web UI svc type                                                                                                                                                                                                                                                                                                            | `ClusterIP`                                                                                                              |
+| `ui.service.externalPort`              | external port for the service                                                                                                                                                                                                                                                                                              | `80`                                                                                                                     |
+| `ui.service.internalPort`              | internal port for the service                                                                                                                                                                                                                                                                                              | `8080`                                                                                                                   |
+| `ui.service.externalIPs`               | external IP addresses                                                                                                                                                                                                                                                                                                      | `nil`                                                                                                                    |
+| `ui.service.loadBalancerIP`            | Load Balancer IP address                                                                                                                                                                                                                                                                                                   | `nil`                                                                                                                    |
+| `ui.service.annotations`               | Kubernetes service annotations                                                                                                                                                                                                                                                                                             | `{}`                                                                                                                     |
+| `ui.service.loadBalancerSourceRanges`  | Limit load balancer source IPs to list of CIDRs (where available))                                                                                                                                                                                                                                                         | `[]`                                                                                                                     |
+| `ui.securityContext`                   | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                     |
+| `oapInit.nodeAffinity`                 | OAP init job node affinity policy                                                                                                                                                                                                                                                                                          | `{}`                                                                                                                     |
+| `oapInit.nodeSelector`                 | OAP init job labels for master pod assignment                                                                                                                                                                                                                                                                              | `{}`                                                                                                                     |
+| `oapInit.tolerations`                  | OAP init job tolerations                                                                                                                                                                                                                                                                                                   | `[]`                                                                                                                     |
+| `oapInit.extraPodLabels`               | OAP init job metadata labels                                                                                                                                                                                                                                                                                               | `[]`                                                                                                                     |
+| `elasticsearch.enabled`                | Spin up a new elasticsearch cluster for SkyWalking                                                                                                                                                                                                                                                                         | `true`                                                                                                                   |
+| `elasticsearch.clusterName`            | This will be used as the Elasticsearch [cluster.name](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster.name.html) and should be unique per cluster in the namespace                                                                                                                                 | `elasticsearch`                                                                                                          |
+| `elasticsearch.nodeGroup`              | This is the name that will be used for each group of nodes in the cluster. The name will be `clusterName-nodeGroup-X`                                                                                                                                                                                                      | `master`                                                                                                                 |
+| `elasticsearch.masterService`          | Optional. The service name used to connect to the masters. You only need to set this if your master `nodeGroup` is set to something other than `master`. See [Clustering and Node Discovery](#clustering-and-node-discovery) for more information.                                                                         | ``                                                                                                                       |
+| `elasticsearch.roles`                  | A hash map with the [specific roles](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html) for the node group                                                                                                                                                                                 | `master: true`<br>`data: true`<br>`ingest: true`                                                                         |
+| `elasticsearch.replicas`               | Kubernetes replica count for the statefulset (i.e. how many pods)                                                                                                                                                                                                                                                          | `3`                                                                                                                      |
+| `elasticsearch.minimumMasterNodes`     | The value for [discovery.zen.minimum_master_nodes](https://www.elastic.co/guide/en/elasticsearch/reference/6.7/discovery-settings.html#minimum_master_nodes). Should be set to `(master_eligible_nodes / 2) + 1`. Ignored in Elasticsearch versions >= 7.                                                                  | `2`                                                                                                                      |
+| `elasticsearch.esMajorVersion`         | Used to set major version specific configuration. If you are using a custom image and not running the default Elasticsearch version you will need to set this to the version you are running (e.g. `esMajorVersion: 6`)                                                                                                    | `""`                                                                                                                     |
+| `elasticsearch.esConfig`               | Allows you to add any config files in `/usr/share/elasticsearch/config/` such as `elasticsearch.yml` and `log4j2.properties`. See [values.yaml](./values.yaml) for an example of the formatting.                                                                                                                           | `{}`                                                                                                                     |
+| `elasticsearch.extraEnvs`              | Extra [environment variables](https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/#using-environment-variables-inside-of-your-config) which will be appended to the `env:` definition for the container                                                                         | `[]`                                                                                                                     |
+| `elasticsearch.extraVolumes`           | Templatable string of additional volumes to be passed to the `tpl` function                                                                                                                                                                                                                                                | `""`                                                                                                                     |
+| `elasticsearch.extraVolumeMounts`      | Templatable string of additional volumeMounts to be passed to the `tpl` function                                                                                                                                                                                                                                           | `""`                                                                                                                     |
+| `elasticsearch.extraInitContainers`    | Templatable string of additional init containers to be passed to the `tpl` function                                                                                                                                                                                                                                        | `""`                                                                                                                     |
+| `elasticsearch.secretMounts`           | Allows you easily mount a secret as a file inside the statefulset. Useful for mounting certificates and other secrets. See [values.yaml](./values.yaml) for an example                                                                                                                                                     | `[]`                                                                                                                     |
+| `elasticsearch.image`                  | The Elasticsearch docker image                                                                                                                                                                                                                                                                                             | `docker.elastic.co/elasticsearch/elasticsearch`                                                                          |
+| `elasticsearch.imageTag`               | The Elasticsearch docker image tag                                                                                                                                                                                                                                                                                         | `7.5.1`                                                                                                                  |
+| `elasticsearch.imagePullPolicy`        | The Kubernetes [imagePullPolicy](https://kubernetes.io/docs/concepts/containers/images/#updating-images) value                                                                                                                                                                                                             | `IfNotPresent`                                                                                                           |
+| `elasticsearch.podAnnotations`         | Configurable [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) applied to all Elasticsearch pods                                                                                                                                                                               | `{}`                                                                                                                     |
+| `elasticsearch.labels`                 | Configurable [label](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/) applied to all Elasticsearch pods                                                                                                                                                                                          | `{}`                                                                                                                     |
+| `elasticsearch.esJavaOpts`             | [Java options](https://www.elastic.co/guide/en/elasticsearch/reference/current/jvm-options.html) for Elasticsearch. This is where you should configure the [jvm heap size](https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html)                                                                 | `-Xmx1g -Xms1g`                                                                                                          |
+| `elasticsearch.resources`              | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the statefulset                                                                                                                                                                               | `requests.cpu: 100m`<br>`requests.memory: 2Gi`<br>`limits.cpu: 1000m`<br>`limits.memory: 2Gi`                            |
+| `elasticsearch.initResources`          | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the initContainer in the statefulset                                                                                                                                                          | {}                                                                                                                       |
+| `elasticsearch.sidecarResources`       | Allows you to set the [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/) for the sidecar containers in the statefulset                                                                                                                                                     | {}                                                                                                                       |
+| `elasticsearch.networkHost`            | Value for the [network.host Elasticsearch setting](https://www.elastic.co/guide/en/elasticsearch/reference/current/network.host.html)                                                                                                                                                                                      | `0.0.0.0`                                                                                                                |
+| `elasticsearch.volumeClaimTemplate`    | Configuration for the [volumeClaimTemplate for statefulsets](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#stable-storage). You will want to adjust the storage (default `30Gi`) and the `storageClassName` if you are using a different storage class                                            | `accessModes: [ "ReadWriteOnce" ]`<br>`resources.requests.storage: 30Gi`                                                 |
+| `elasticsearch.persistence.annotations` | Additional persistence annotations for the `volumeClaimTemplate`                                                                                                                                                                                                                                                           | `{}`                                                                                                                     |
+| `elasticsearch.persistence.enabled`    | Enables a persistent volume for Elasticsearch data. Can be disabled for nodes that only have [roles](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html) which don't require persistent data.                                                                                               | `true`                                                                                                                   |
+| `elasticsearch.priorityClassName`      | The [name of the PriorityClass](https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass). No default is supplied as the PriorityClass must be created first.                                                                                                                              | `""`                                                                                                                     |
+| `elasticsearch.antiAffinityTopologyKey` | The [anti-affinity topology key](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity). By default this will prevent multiple Elasticsearch nodes from running on the same Kubernetes node                                                                                        | `kubernetes.io/hostname`                                                                                                 |
+| `elasticsearch.antiAffinity`           | Setting this to hard enforces the [anti-affinity rules](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity). If it is set to soft it will be done "best effort". Other values will be ignored.                                                                                  | `hard`                                                                                                                   |
+| `elasticsearch.nodeAffinity`           | Value for the [node affinity settings](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#node-affinity-beta-feature)                                                                                                                                                                                      | `{}`                                                                                                                     |
+| `elasticsearch.podManagementPolicy`    | By default Kubernetes [deploys statefulsets serially](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#pod-management-policies). This deploys them in parallel so that they can discover eachother                                                                                                   | `Parallel`                                                                                                               |
+| `elasticsearch.protocol`               | The protocol that will be used for the readinessProbe. Change this to `https` if you have `xpack.security.http.ssl.enabled` set                                                                                                                                                                                            | `http`                                                                                                                   |
+| `elasticsearch.httpPort`               | The http port that Kubernetes will use for the healthchecks and the service. If you change this you will also need to set [http.port](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-http.html#_settings) in `extraEnvs`                                                                          | `9200`                                                                                                                   |
+| `elasticsearch.transportPort`          | The transport port that Kubernetes will use for the service. If you change this you will also need to set [transport port configuration](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-transport.html#_transport_settings) in `extraEnvs`                                                        | `9300`                                                                                                                   |
+| `elasticsearch.service.labels`         | Labels to be added to non-headless service                                                                                                                                                                                                                                                                                 | `{}`                                                                                                                     |
+| `elasticsearch.service.labelsHeadless` | Labels to be added to headless service                                                                                                                                                                                                                                                                                     | `{}`                                                                                                                     |
+| `elasticsearch.service.type`           | Type of elasticsearch service. [Service Types](https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types)                                                                                                                                                                         | `ClusterIP`                                                                                                              |
+| `elasticsearch.service.nodePort`       | Custom [nodePort](https://kubernetes.io/docs/concepts/services-networking/service/#nodeport) port that can be set if you are using `service.type: nodePort`.                                                                                                                                                               | ``                                                                                                                       |
+| `elasticsearch.service.annotations`    | Annotations that Kubernetes will use for the service. This will configure load balancer if `service.type` is `LoadBalancer` [Annotations](https://kubernetes.io/docs/concepts/services-networking/service/#ssl-support-on-aws)                                                                                             | `{}`                                                                                                                     |
+| `elasticsearch.service.httpPortName`   | The name of the http port within the service                                                                                                                                                                                                                                                                               | `http`                                                                                                                   |
+| `elasticsearch.service.transportPortName` | The name of the transport port within the service                                                                                                                                                                                                                                                                          | `transport`                                                                                                              |
+| `elasticsearch.updateStrategy`         | The [updateStrategy](https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#updating-statefulsets) for the statefulset. By default Kubernetes will wait for the cluster to be green after upgrading each pod. Setting this to `OnDelete` will allow you to manually delete each pod during upgrades | `RollingUpdate`                                                                                                          |
+| `elasticsearch.maxUnavailable`         | The [maxUnavailable](https://kubernetes.io/docs/tasks/run-application/configure-pdb/#specifying-a-poddisruptionbudget) value for the pod disruption budget. By default this will prevent Kubernetes from having more than 1 unhealthy pod in the node group                                                                | `1`                                                                                                                      |
+| `elasticsearch.fsGroup (DEPRECATED)`   | The Group ID (GID) for [securityContext.fsGroup](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) so that the Elasticsearch user can read from the persistent volume                                                                                                                            | ``                                                                                                                       |
+| `elasticsearch.podSecurityContext`     | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                     |
+| `elasticsearch.securityContext`        | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container) for the container                                                                                                                                             | `capabilities.drop:[ALL]`<br>`runAsNonRoot: true`<br>`runAsUser: 1000`                                                   |
+| `elasticsearch.terminationGracePeriod` | The [terminationGracePeriod](https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods) in seconds used when trying to stop the pod                                                                                                                                                                      | `120`                                                                                                                    |
+| `elasticsearch.sysctlInitContainer.enabled` | Allows you to disable the sysctlInitContainer if you are setting vm.max_map_count with another method                                                                                                                                                                                                                      | `true`                                                                                                                   |
+| `elasticsearch.sysctlVmMaxMapCount`    | Sets the [sysctl vm.max_map_count](https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html#vm-max-map-count) needed for Elasticsearch                                                                                                                                                        | `262144`                                                                                                                 |
 | `elasticsearch.readinessProbe`         | Configuration fields for the [readinessProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/)                                                                                                                                                                               | `failureThreshold: 3`<br>`initialDelaySeconds: 10`<br>`periodSeconds: 10`<br>`successThreshold: 3`<br>`timeoutSeconds: 5` |
-| `elasticsearch.clusterHealthCheckParams` | The [Elasticsearch cluster health status params](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-health.html#request-params) that will be used by readinessProbe command                                                                                                                           | `wait_for_status=green&timeout=1s`                                                                                      |
-| `elasticsearch.imagePullSecrets`       | Configuration for [imagePullSecrets](https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-pod-that-uses-your-secret) so that you can use a private registry for your image                                                                                                       | `[]`                                                                                                                    |
-| `elasticsearch.nodeSelector`           | Configurable [nodeSelector](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector) so that you can target specific nodes for your Elasticsearch cluster                                                                                                                                          | `{}`                                                                                                                    |
-| `elasticsearch.tolerations`            | Configurable [tolerations](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)                                                                                                                                                                                                                        | `[]`                                                                                                                    |
-| `elasticsearch.ingress`                | Configurable [ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) to expose the Elasticsearch service. See [`values.yaml`](./values.yaml) for an example                                                                                                                                            | `enabled: false`                                                                                                        |
-| `elasticsearch.schedulerName`          | Name of the [alternate scheduler](https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/#specify-schedulers-for-pods)                                                                                                                                                                          | `nil`                                                                                                                   |
-| `elasticsearch.masterTerminationFix`   | A workaround needed for Elasticsearch < 7.2 to prevent master status being lost during restarts [#63](https://github.com/elastic/helm-charts/issues/63)                                                                                                                                                                    | `false`                                                                                                                 |
-| `elasticsearch.lifecycle`              | Allows you to add lifecycle configuration. See [values.yaml](./values.yaml) for an example of the formatting.                                                                                                                                                                                                              | `{}`                                                                                                                    |
-| `elasticsearch.keystore`               | Allows you map Kubernetes secrets into the keystore. See the [config example](/elasticsearch/examples/config/values.yaml) and [how to use the keystore](#how-to-use-the-keystore)                                                                                                                                          | `[]`                                                                                                                    |
-| `elasticsearch.rbac`                   | Configuration for creating a role, role binding and service account as part of this helm chart with `create: true`. Also can be used to reference an external service account with `serviceAccountName: "externalServiceAccountName"`.                                                                                     | `create: false`<br>`serviceAccountName: ""`                                                                             |
-| `elasticsearch.podSecurityPolicy`      | Configuration for create a pod security policy with minimal permissions to run this Helm chart with `create: true`. Also can be used to reference an external pod security policy with `name: "externalPodSecurityPolicy"`                                                                                                 | `create: false`<br>`name: ""`                                                                                           |
-| `satellite.name`                       | Satellite deployment name                                                                                                                                                                                                                                                                                                  | `satellite`                                                                                                             |
-| `satellite.replicas`                   | Satellite k8s deployment replicas                                                                                                                                                                                                                                                                                          | `1`                                                                                                                     |
-| `satellite.enabled`                    | Is enable Satellite                                                                                                                                                                                                                                                                                                        | `false`                                                                                                                 |
-| `satellite.image.repository`           | Satellite container image name                                                                                                                                                                                                                                                                                             | `skywalking.docker.scarf.sh/apache/skywalking-satellite`                                                                |
-| `satellite.image.tag`                  | Satellite container image tag                                                                                                                                                                                                                                                                                              | `v0.4.0`                                                                                                                |
-| `satellite.image.pullPolicy`           | Satellite container image pull policy                                                                                                                                                                                                                                                                                      | `IfNotPresent`                                                                                                          |
-| `satellite.antiAffinity`               | Satellite anti-affinity policy                                                                                                                                                                                                                                                                                             | `soft`                                                                                                                  |
-| `satellite.nodeAffinity`               | Satellite node affinity policy                                                                                                                                                                                                                                                                                             | `{}`                                                                                                                    |
-| `satellite.nodeSelector`               | Satellite labels for pod assignment                                                                                                                                                                                                                                                                                        | `{}`                                                                                                                    |
-| `satellite.tolerations`                | Satellite tolerations                                                                                                                                                                                                                                                                                                      | `[]`                                                                                                                    |
-| `satellite.service.type`               | Satellite svc type                                                                                                                                                                                                                                                                                                         | `ClusterIP`                                                                                                             |
-| `satellite.ports.grpc`                 | Satellite grpc port for tracing, metrics, logs, events                                                                                                                                                                                                                                                                     | `11800`                                                                                                                 |
-| `satellite.ports.prometheus`           | Satellite http port for Prometheus monitoring                                                                                                                                                                                                                                                                              | `1234`                                                                                                                  |
-| `satellite.resources`                  | Satellite node resources requests & limits                                                                                                                                                                                                                                                                                 | `{} - cpu limit must be an integer`                                                                                     |
-| `satellite.podAnnotations`             | Configurable [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) applied to all Satellite pods                                                                                                                                                                                   | `{}`                                                                                                                    |
-| `satellite.env`                        | Satellite environment variables                                                                                                                                                                                                                                                                                            | `[]`                                                                                                                    |
-| `satellite.securityContext`            | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                    |
+| `elasticsearch.clusterHealthCheckParams` | The [Elasticsearch cluster health status params](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-health.html#request-params) that will be used by readinessProbe command                                                                                                                           | `wait_for_status=green&timeout=1s`                                                                                       |
+| `elasticsearch.imagePullSecrets`       | Configuration for [imagePullSecrets](https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-pod-that-uses-your-secret) so that you can use a private registry for your image                                                                                                       | `[]`                                                                                                                     |
+| `elasticsearch.nodeSelector`           | Configurable [nodeSelector](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector) so that you can target specific nodes for your Elasticsearch cluster                                                                                                                                          | `{}`                                                                                                                     |
+| `elasticsearch.tolerations`            | Configurable [tolerations](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)                                                                                                                                                                                                                        | `[]`                                                                                                                     |
+| `elasticsearch.ingress`                | Configurable [ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) to expose the Elasticsearch service. See [`values.yaml`](./values.yaml) for an example                                                                                                                                            | `enabled: false`                                                                                                         |
+| `elasticsearch.schedulerName`          | Name of the [alternate scheduler](https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/#specify-schedulers-for-pods)                                                                                                                                                                          | `nil`                                                                                                                    |
+| `elasticsearch.masterTerminationFix`   | A workaround needed for Elasticsearch < 7.2 to prevent master status being lost during restarts [#63](https://github.com/elastic/helm-charts/issues/63)                                                                                                                                                                    | `false`                                                                                                                  |
+| `elasticsearch.lifecycle`              | Allows you to add lifecycle configuration. See [values.yaml](./values.yaml) for an example of the formatting.                                                                                                                                                                                                              | `{}`                                                                                                                     |
+| `elasticsearch.keystore`               | Allows you map Kubernetes secrets into the keystore. See the [config example](/elasticsearch/examples/config/values.yaml) and [how to use the keystore](#how-to-use-the-keystore)                                                                                                                                          | `[]`                                                                                                                     |
+| `elasticsearch.rbac`                   | Configuration for creating a role, role binding and service account as part of this helm chart with `create: true`. Also can be used to reference an external service account with `serviceAccountName: "externalServiceAccountName"`.                                                                                     | `create: false`<br>`serviceAccountName: ""`                                                                              |
+| `elasticsearch.podSecurityPolicy`      | Configuration for create a pod security policy with minimal permissions to run this Helm chart with `create: true`. Also can be used to reference an external pod security policy with `name: "externalPodSecurityPolicy"`                                                                                                 | `create: false`<br>`name: ""`                                                                                            |
+| `satellite.name`                       | Satellite deployment name                                                                                                                                                                                                                                                                                                  | `satellite`                                                                                                              |
+| `satellite.replicas`                   | Satellite k8s deployment replicas                                                                                                                                                                                                                                                                                          | `1`                                                                                                                      |
+| `satellite.enabled`                    | Is enable Satellite                                                                                                                                                                                                                                                                                                        | `false`                                                                                                                  |
+| `satellite.image.repository`           | Satellite container image name                                                                                                                                                                                                                                                                                             | `skywalking.docker.scarf.sh/apache/skywalking-satellite`                                                                 |
+| `satellite.image.tag`                  | Satellite container image tag                                                                                                                                                                                                                                                                                              | `v0.4.0`                                                                                                                 |
+| `satellite.image.pullPolicy`           | Satellite container image pull policy                                                                                                                                                                                                                                                                                      | `IfNotPresent`                                                                                                           |
+| `satellite.antiAffinity`               | Satellite anti-affinity policy                                                                                                                                                                                                                                                                                             | `soft`                                                                                                                   |
+| `satellite.nodeAffinity`               | Satellite node affinity policy                                                                                                                                                                                                                                                                                             | `{}`                                                                                                                     |
+| `satellite.nodeSelector`               | Satellite labels for pod assignment                                                                                                                                                                                                                                                                                        | `{}`                                                                                                                     |
+| `satellite.tolerations`                | Satellite tolerations                                                                                                                                                                                                                                                                                                      | `[]`                                                                                                                     |
+| `satellite.service.type`               | Satellite svc type                                                                                                                                                                                                                                                                                                         | `ClusterIP`                                                                                                              |
+| `satellite.ports.grpc`                 | Satellite grpc port for tracing, metrics, logs, events                                                                                                                                                                                                                                                                     | `11800`                                                                                                                  |
+| `satellite.ports.prometheus`           | Satellite http port for Prometheus monitoring                                                                                                                                                                                                                                                                              | `1234`                                                                                                                   |
+| `satellite.resources`                  | Satellite node resources requests & limits                                                                                                                                                                                                                                                                                 | `{} - cpu limit must be an integer`                                                                                      |
+| `satellite.podAnnotations`             | Configurable [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) applied to all Satellite pods                                                                                                                                                                                   | `{}`                                                                                                                     |
+| `satellite.env`                        | Satellite environment variables                                                                                                                                                                                                                                                                                            | `[]`                                                                                                                     |
+| `satellite.securityContext`            | Allows you to set the [securityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) for the pod                                                                                                                                                         | `fsGroup: 1000`<br>`runAsUser: 1000`                                                                                     |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 
@@ -179,7 +183,8 @@ Specify each parameter using the `--set key=value[,key=value]` argument to `helm
 $ helm install myrelease skywalking --set nameOverride=newSkywalking
 ```
 
-Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the
+chart. For example,
 
 ```console
 $ helm install my-release skywalking -f values.yaml
@@ -188,20 +193,25 @@ $ helm install my-release skywalking -f values.yaml
 > **Tip**: You can use the default [values.yaml](values.yaml)
 
 ### RBAC Configuration
+
 Roles and RoleBindings resources will be created automatically for `OAP` .
 
 > **Tip**: You can refer to the default `oap-role.yaml` file in [templates](templates/) to customize your own.
 
 ### Ingress TLS
-If your cluster allows automatic create/retrieve of TLS certificates (e.g. [kube-lego](https://github.com/jetstack/kube-lego)), please refer to the documentation for that mechanism.
 
-To manually configure TLS, first create/retrieve a key & certificate pair for the address(skywalking ui) you wish to protect. Then create a TLS secret in the namespace:
+If your cluster allows automatic create/retrieve of TLS certificates (
+e.g. [kube-lego](https://github.com/jetstack/kube-lego)), please refer to the documentation for that mechanism.
+
+To manually configure TLS, first create/retrieve a key & certificate pair for the address(skywalking ui) you wish to
+protect. Then create a TLS secret in the namespace:
 
 ```console
 kubectl create secret tls skywalking-tls --cert=path/to/tls.cert --key=path/to/tls.key
 ```
 
-Include the secret's name, along with the desired hostnames, in the skywalking-ui Ingress TLS section of your custom `values.yaml` file:
+Include the secret's name, along with the desired hostnames, in the skywalking-ui Ingress TLS section of your
+custom `values.yaml` file:
 
 ```yaml
 ui:
@@ -224,6 +234,7 @@ ui:
         hosts:
           - skywalking
 ```
+
 ### Envoy ALS
 
 Envoy ALS(access log service) provides fully logs about RPC routed, including HTTP and TCP.
@@ -237,4 +248,5 @@ serviceAccounts:
 ```
 
 When envoy als ,will give ServiceAccount clusterrole permission.
-More envoy als ,please refer to https://github.com/apache/skywalking/blob/master/docs/en/setup/envoy/als_setting.md#observe-service-mesh-through-als
+More envoy als ,please refer
+to https://github.com/apache/skywalking/blob/master/docs/en/setup/envoy/als_setting.md#observe-service-mesh-through-als
diff --git a/chart/skywalking/values.yaml b/chart/skywalking/values.yaml
index 5e68acf..5c323eb 100644
--- a/chart/skywalking/values.yaml
+++ b/chart/skywalking/values.yaml
@@ -46,6 +46,8 @@ oap:
   replicas: 2
   service:
     type: ClusterIP
+    # add annotations to the oap service
+    annotations: {}
   javaOpts: -Xmx2g -Xms2g
   antiAffinity: "soft"
   nodeAffinity: {}