[skip ci]Add standalone pod kill chaos (#11191)

Signed-off-by: zhuwenxing <wenxing.zhu@zilliz.com>

.github/workflows/pod-kill-chaos-test.yaml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        pod: [datacoord, datanode, indexcoord, indexnode, proxy, pulsar, querycoord, querynode, rootcoord, etcd, minio]
+        pod: [standalone, datacoord, datanode, indexcoord, indexnode, proxy, pulsar, querycoord, querynode, rootcoord, etcd, minio]
     
     steps:
 
@@ -65,7 +65,8 @@ jobs:
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus-dev -t master-latest -f master- -F -L -q
           helm repo add milvus https://milvus-io.github.io/milvus-helm
           helm repo update
-          helm install --wait --timeout 360s milvus-chaos milvus/milvus -f cluster-values.yaml  -n=chaos-testing
+          if [ ${{ matrix.pod }} != "standalone" ]; then helm install --wait --timeout 360s milvus-chaos milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
+          if [ ${{ matrix.pod }} == "standalone" ]; then helm install --wait --timeout 360s milvus-chaos milvus/milvus --set cluster.enabled=false --set etcd.replicaCount=1 --set minio.mode=standalone --set pulsar.enabled=false -n=chaos-testing; fi
           kubectl get pods -n chaos-testing
           sleep 20s
           kubectl get pods -n chaos-testing
@@ -109,7 +110,8 @@ jobs:
         run: |
           kubectl config set-context --current --namespace=chaos-testing
           bash scripts/uninstall_milvus.sh
-          helm install --wait --timeout 360s milvus-chaos milvus/milvus -f cluster-values.yaml  -n=chaos-testing
+          if [ ${{ matrix.pod }} != "standalone" ]; then helm install --wait --timeout 360s milvus-chaos milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
+          if [ ${{ matrix.pod }} == "standalone" ]; then helm install --wait --timeout 360s milvus-chaos milvus/milvus --set cluster.enabled=false --set etcd.replicaCount=1 --set minio.mode=standalone --set pulsar.enabled=false -n=chaos-testing; fi
           kubectl get pods -n chaos-testing
           sleep 20s
           kubectl get pods -n chaos-testing

tests/python_client/chaos/chaos_objects/pod_kill/chaos_standalone_pod_kill.yaml

@@ -0,0 +1,22 @@
+kind: Schedule
+apiVersion: chaos-mesh.org/v1alpha1
+metadata:
+  name: test-rootcoord-pod-kill
+  namespace: chaos-testing
+spec:
+  schedule: '*/5 * * * * *'
+  startingDeadlineSeconds: 60
+  concurrencyPolicy: Forbid
+  historyLimit: 1
+  type: PodChaos
+  podChaos:
+    selector:
+      namespaces:
+        - chaos-testing
+      labelSelectors:
+        app.kubernetes.io/instance: milvus-chaos
+        app.kubernetes.io/name: milvus
+        component: standalone
+    mode: one
+    action: pod-kill
+    gracePeriod: 0

tests/python_client/chaos/chaos_objects/pod_kill/testcases.yaml

@@ -125,6 +125,18 @@ Collections:
     testcase:
       name: test_pulsar_pod_kill
       chaos: chaos_pulsar_pod_kill.yaml
+      expectation:
+        cluster_1_node:
+          create: fail
+          insert: fail
+          flush: fail
+          index: fail
+          search: fail
+          query: fail
+  -
+    testcase:
+      name: test_standalone_pod_kill
+      chaos: chaos_standalone_pod_kill.yaml
       expectation:
         cluster_1_node:
           create: fail