[GitHub] [incubator-heron] surahman commented on issue #3707: Add support for Pod Templates which are read from a ConfigMap. The ConfigMap name can be passed in as a config-property

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surahman commented on issue #3707:
URL: https://github.com/apache/incubator-heron/issues/3707#issuecomment-911959524


   A quick review of the code in the `heron/schedulers/src/java/org/apache/heron/scheduler/kubernetes/` directory, I may have missed some stuff and will update once I re-review:
   
   * `KubernetesConstants`: namespaced constants for configurations.
   * `KubernetesContext`: child class of `Context` with Kubernetes specific keys used to lookup values (no "setters", only "getters") stored in the supplied `Config` object.
   * `KubernetesController`: the basic interface with Kubernetes to recover info about the topology configs as well as submit/kill/restart them.
   * `KubernetesLauncher`: used to init and launch the Kubernetes cluster.
   * `KubernetesScheduler`: the interface to schedule jobs with the cluster, to get job info, kill, restart, resize, and update the cluster.
   * `KubernetesUtils`: various logging utilities.
   * `V1Controller`: child class of the `KubernetesController` which contains the actual logic to interface with the Kubernetes cluster.
   * `Volumes`: utilities used to configure the clusters storage volumes.


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