[GitHub] [apisix] vibbix opened a new issue, #8235: bug: Upstream's created by K8's do not show up until a matching route is added

[GitBox <gi...@apache.org>]

vibbix opened a new issue, #8235:
URL: https://github.com/apache/apisix/issues/8235

   ### Current Behavior
   
   When adding just an upstream/service to APISIX via Kubectl/kubernetes discovery, they are neither reflected in the UI until a route is created.
   
   ### Expected Behavior
   
   The upstream should show up in the UI after it's created, even if there is no matching route. If this is intended behavior, it should be mentioned.
   
   ### Error Logs
   
   2022-11-03T02:27:42+08:00	warn	apisix/upstream.go:70	upstream not found	{"name": "default_httpbin_80", "url": "http://apisix-admin.default.svc.cluster.local:9180/apisix/admin/upstreams/5ce57b8e", "cluster": "default"}
   2022-11-03T02:27:42+08:00	warn	ingress/controller.go:707	upstream is not referenced	{"cluster": "name=default; base_url=http://apisix-admin.default.svc.cluster.local:9180/apisix/admin", "upstream": "default_httpbin_80"}
   
   ### Steps to Reproduce
   
   1. Install apisix to default (with dashboard)
   ```yaml
   #values.yaml
   namespace: default
   gateway:
       type: NodePort
   ingress-controller:
       enabled: true
       config:
           apisix:
               serviceNamespace: default
   dashboard:
       enabled: true
   discovery:
       enabled: true
       kubernetes: { }
   ```
   
   `helm install -f values.yaml apisix apisix/apisix`
   2. Label the default namespace
   `kubectl label namespace default apisix.ingress=watching`
   3. Install http bin
   `kubectl run httpbin --image kennethreitz/httpbin --port 80`
   
   Apply this YAML file
   ```yaml
   apiVersion: apisix.apache.org/v2
   kind: ApisixUpstream
   metadata:
       name: httpbin
   spec:
       retries: 3
   ```
   4. View dashboard/access admin API
   5. Apply this yaml
   ```yaml
   apiVersion: apisix.apache.org/v2
   kind: ApisixRoute
   metadata:
       name: httpbin-route
   spec:
       http:
       - name: rule1
         match:
           hosts:
               - httpbin.com
           paths:
               - /ip
         backends:
           - serviceName: httpbin
             servicePort: 80
   ```
   Correct entries now show up
   ![image](https://user-images.githubusercontent.com/1731900/199579296-f275a4ff-a8a2-4827-889b-ae3fcbfa2b16.png)
   ![image](https://user-images.githubusercontent.com/1731900/199579439-bc2ebc5a-7428-42e5-b93a-f2b1a7bb32fd.png)
   
   
   ### Environment
   
   APISix Kubernetes Helm Chart v0.11.1
   ```
   2022-11-03T02:27:23+08:00	info	ingress/ingress.go:113	apisix ingress controller started
   2022-11-03T02:27:23+08:00	info	ingress/ingress.go:115	version:
   Version: 1.5.0
   Git SHA: no-git-module
   Go Version: go1.19.2
   Building OS/Arch: linux/amd64
   Running OS/Arch: linux/amd64
   ```
   
   ```
   bash-5.1# apisix version
   /usr/local/openresty/luajit/bin/luajit ./apisix/cli/apisix.lua version
   2.15.0
   bash-5.1# 
   ```


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