[skip e2e]Add chaos test for kafka version milvus (#16522)

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

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

+name: Pod Kill Chaos Test For Kafka Version
+
+on:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: The image tag to use for the chaos test
+        required: true
+        default: 'master-latest'
+  schedule:
+    - cron: "30 17 * * *"
+jobs:
+
+  test-pod-kill-chaos:
+
+    runs-on: ubuntu-latest
+    timeout-minutes: 40
+    strategy:
+      fail-fast: false
+      matrix:
+        pod: [allcluster, datacoord, datanode, indexcoord, indexnode, proxy, kafka, querycoord, querynode, rootcoord, etcd, minio]
+
+    steps:
+
+      - name: Set env param
+        env:
+          DEFAULT_IMAGE_TAG: master-latest
+        run: |
+          echo "RELEASE=test-${{ matrix.pod }}-pod-kill" >> $GITHUB_ENV
+          echo "IMAGE_TAG=${{ github.event.inputs.image_tag || env.DEFAULT_IMAGE_TAG}}" >> $GITHUB_ENV
+
+      - name: Creating kind cluster
+        uses: helm/kind-action@v1.2.0
+
+      - name: Print cluster information
+        run: |
+          kubectl config view
+          kubectl cluster-info
+          kubectl get nodes
+          kubectl get pods -n kube-system
+          helm version
+          kubectl version
+
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+
+      - name: Install dependency
+        uses: nick-invision/retry@v2
+        with:
+          timeout_minutes: 5
+          max_attempts: 3
+          retry_on: error
+          shell: bash
+          command: |
+            pip install -r tests/python_client/requirements.txt --trusted-host https://test.pypi.org
+            pip install --upgrade protobuf
+
+      - name: Deploy Chaos Mesh
+        timeout-minutes: 2
+        shell: bash
+        run: |
+          helm repo add chaos-mesh https://charts.chaos-mesh.org
+          helm search repo chaos-mesh
+          kubectl create ns chaos-testing
+          helm install --wait --timeout 360s chaos-mesh chaos-mesh/chaos-mesh --namespace=chaos-testing --version v2.0.3 --set chaosDaemon.runtime=containerd --set chaosDaemon.socketPath=/run/containerd/containerd.sock
+          kubectl get po -n chaos-testing
+
+      - name: Deploy Milvus
+        timeout-minutes: 15
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          echo "latest tag:"
+          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
+          if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set pulsar.enabled=false --set kafka.enabled=true --set image.all.tag=${{ env.IMAGE_TAG }} -f cluster-values.yaml  -n=chaos-testing; fi
+          if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set image.all.tag=${{ env.IMAGE_TAG }} -f standalone-values.yaml -n=chaos-testing; fi
+          kubectl get pods -n chaos-testing
+          sleep 20s
+          kubectl get pods -n chaos-testing
+          kubectl port-forward service/${{ env.RELEASE }}-milvus 19530 -n chaos-testing >/dev/null 2>&1 &
+          sleep 20s
+          # check whether port-forward success
+          nc -vz 127.0.0.1 19530
+          # check whether milvus server is healthy
+          python scripts/hello_milvus.py
+
+      - name: Chaos Test
+        timeout-minutes: 15
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          # replace chaos object
+          sed -i "s/TESTS_CONFIG_LOCATION =.*/TESTS_CONFIG_LOCATION = \'chaos_objects\/pod_kill\/'/g" constants.py
+          sed -i "s/ALL_CHAOS_YAMLS =.*/ALL_CHAOS_YAMLS = \'chaos_${{ matrix.pod }}_pod_kill.yaml\'/g" constants.py
+          sed -i "s/RELEASE_NAME =.*/RELEASE_NAME = \'${{ env.RELEASE }}\'/g" constants.py
+          cat constants.py
+          timeout 14m pytest -s -v test_chaos.py --host 127.0.0.1 --log-cli-level=INFO --capture=no || echo "chaos test failed"
+
+      - name: Result Analysis
+        timeout-minutes: 1
+        shell: bash
+        working-directory: tests/python_client/chaos/reports
+        run: |
+          echo "result analysis"
+          cat ${{ env.RELEASE }}.log || echo "no log file"
+
+      - name: Wait all pods ready
+        timeout-minutes: 5
+        shell: bash
+        working-directory: tests/python_client
+        run: |
+          kubectl get pod -n chaos-testing
+          # wait all pod to be ready
+          kubectl wait --for=condition=Ready pod -l app.kubernetes.io/instance=${{ env.RELEASE }} -n chaos-testing --timeout=360s
+          kubectl wait --for=condition=Ready pod -l release=${{ env.RELEASE }} -n chaos-testing --timeout=360s
+          kubectl get pod -n chaos-testing
+          ps aux|grep forward|grep -v grep|awk '{print $2}'|xargs kill -9
+          kubectl port-forward service/${{ env.RELEASE }}-milvus 19530 -n chaos-testing >/dev/null 2>&1 &
+
+          sleep 20s
+          nc -vz 127.0.0.1 19530
+
+      - name: Run e2e test after chaos
+        timeout-minutes: 5
+        shell: bash
+        working-directory: tests/python_client
+        run: |
+
+          pytest -s -v testcases/test_e2e.py --host 127.0.0.1 --log-cli-level=INFO --capture=no
+
+      - name: Run hello_milvus after chaos
+        timeout-minutes: 5
+        shell: bash
+        working-directory: tests/python_client
+        run: |
+          python chaos/scripts/hello_milvus.py --host 127.0.0.1
+
+      - name: Verify all collections after chaos
+        timeout-minutes: 15
+        shell: bash
+        working-directory: tests/python_client
+        run: |
+          python chaos/scripts/verify_all_collections.py --host 127.0.0.1
+
+      - name: Export logs
+        if: ${{ always() }}
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          #in this step, verify whether pod has been killed by pod's age
+          kubectl get po -n chaos-testing
+          # export k8s log for chaos mesh and milvus
+          bash ../../scripts/export_log_k8s.sh chaos-testing ${{ env.RELEASE }} k8s_logs/chaos-test
+
+      - name: Deploy Milvus Again If Previous E2E Test Failed
+        timeout-minutes: 15
+        if: ${{ failure() }}
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          kubectl config set-context --current --namespace=chaos-testing
+          bash scripts/uninstall_milvus.sh ${{ env.RELEASE }}
+          if [ ${{ matrix.pod }} != "standalone" ]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
+          if [ ${{ matrix.pod }} == "standalone" ]; then helm install --wait --timeout 720s ${{ env.RELEASE }} 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
+          ps aux|grep forward|grep -v grep|awk '{print $2}'|xargs kill -9
+          kubectl port-forward service/${{ env.RELEASE }}-milvus 19530 -n chaos-testing >/dev/null 2>&1 &
+          sleep 20s
+          # check whether port-forward success
+          nc -vz 127.0.0.1 19530
+          # check whether milvus server is healthy
+          python scripts/hello_milvus.py
+
+      - name: Data Consist Test
+        timeout-minutes: 5
+        if: ${{ always() }}
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          pytest -s -v test_chaos_data_consist.py --host 127.0.0.1 --log-cli-level=INFO --capture=no
+
+      - name: Milvus E2E Test
+        timeout-minutes: 10
+        if: ${{ always() }}
+        shell: bash
+        working-directory: tests/python_client
+        run: |
+          kubectl get pod -n chaos-testing
+          kubectl wait --for=condition=Ready pod -l app.kubernetes.io/instance=${{ env.RELEASE }} -n chaos-testing --timeout=360s
+          kubectl wait --for=condition=Ready pod -l release=${{ env.RELEASE }} -n chaos-testing --timeout=360s
+          kubectl get pod -n chaos-testing
+          ps aux|grep forward|grep -v grep|awk '{print $2}'|xargs kill -9
+          kubectl port-forward service/${{ env.RELEASE }}-milvus 19530 -n chaos-testing >/dev/null 2>&1 &
+          sleep 20s
+          nc -vz 127.0.0.1 19530
+
+          pytest -s -v testcases/test_e2e.py --host 127.0.0.1 --log-cli-level=INFO --capture=no
+          python chaos/scripts/hello_milvus.py --host 127.0.0.1
+
+      - name: Export logs
+        if: ${{ always() }}
+        shell: bash
+        working-directory: tests/python_client/chaos
+        run: |
+          #in this step, verify whether pod has been killed by pod's age
+          kubectl get po -n chaos-testing
+          # export k8s log for chaos mesh and milvus
+          bash ../../scripts/export_log_k8s.sh chaos-testing ${{ env.RELEASE }} k8s_logs/data-consist-test
+          bash ../../scripts/export_log_k8s.sh chaos-testing chaos-daemon k8s_logs/chaos-mesh-daemon
+
+      - name: Upload logs
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: logs-${{ matrix.pod }}
+          path: |
+            tests/python_client/chaos/k8s_logs
+            tests/python_client/chaos/reports

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

+kind: Schedule
+apiVersion: chaos-mesh.org/v1alpha1
+metadata:
+  name: test-kafka-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: kafka
+    mode: fixed
+    value: "1"
+    action: pod-kill
+    gracePeriod: 0
\ No newline at end of file

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

@@ -161,6 +161,19 @@ Collections:
     testcase:
       name: test_allcluster_pod_kill
       chaos: chaos_allcluster_pod_kill.yaml
+      expectation:
+        cluster_1_node:
+          create: fail
+          insert: fail
+          flush: fail
+          index: fail
+          search: fail
+          query: fail
+
+  -
+    testcase:
+      name: test_kafka_pod_kill
+      chaos: chaos_kafka_pod_kill.yaml
       expectation:
         cluster_1_node:
           create: fail

tests/python_client/chaos/cluster-values.yaml

@@ -12,6 +12,12 @@ minio:
   resources:
     requests:
       memory: 256Mi
+
+kafka:
+  enabled: false
+  name: kafka
+  replicaCount: 3
+
 pulsar:
   enabled: true
   extra: