chore(feat): Add Github Action bot for litmus e2e runs on PR comment …

…basis (#1540)

Signed-off-by: Udit Gaurav <uditgaurav@gmail.com>

.github/workflows/main.yml

@@ -0,0 +1,150 @@
+name: Litmus-CI
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  tests:
+    if: contains(github.event.comment.html_url, '/pull/') && startsWith(github.event.comment.body, '/run-e2e')
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Notification for e2e Start
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          comment-id: "${{ github.event.comment.id }}"
+          body: |
+            ****
+            **Test Status:** The e2e test has been started please wait for the results ...      
+
+      #Using the last commit id of pull request
+      - uses: octokit/request-action@v2.x
+        id: get_PR_commits
+        with:
+          route: GET /repos/:repo/pulls/:pull_number/commits
+          repo: ${{ github.repository }}
+          pull_number: ${{ github.event.issue.number }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: set commit to output
+        id: getcommit
+        run: | 
+           prsha=$(echo $response | jq '.[-1].sha'  | tr -d '"')
+           echo "::set-output name=sha::$prsha" 
+        env: 
+          response:  ${{ steps.get_PR_commits.outputs.data }}
+
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{steps.getcommit.outputs.sha}}      
+
+      - name: Build docker image
+        run: |
+          sudo docker build -f build/ansible-runner/Dockerfile -t litmuschaos/ansible-runner:ci .
+
+      #Install and configure a kind cluster
+      - name: Installing Prerequisites (KinD Cluster)
+        uses: engineerd/setup-kind@v0.4.0
+        with:
+            version: "v0.7.0"
+
+      - name: Configuring and testing the Installation
+        run: |
+          kubectl cluster-info --context kind-kind
+          kind get kubeconfig --internal >$HOME/.kube/config
+          kubectl get nodes            
+
+      - name: Load image on the nodes of the cluster
+        run: |
+          kind load docker-image --name=kind litmuschaos/ansible-runner:ci
+
+      - name: Deploy a sample application for chaos injection
+        run: |
+          kubectl apply -f https://raw.githubusercontent.com/mayadata-io/chaos-ci-lib/master/app/nginx.yml
+          sleep 30
+          
+      - name: Setting up kubeconfig ENV for Github Chaos Action
+        run: echo ::set-env name=KUBE_CONFIG_DATA::$(base64 -w 0 ~/.kube/config)
+
+      - name: Running Litmus pod delete chaos experiment
+        if: startsWith(github.event.comment.body, '/run-e2e-pod-delete') || startsWith(github.event.comment.body, '/run-e2e-all')
+        uses: mayadata-io/github-chaos-actions@v0.1.1
+        env:
+          INSTALL_LITMUS: true
+          EXPERIMENT_NAME: pod-delete
+          EXPERIMENT_IMAGE: litmuschaos/ansible-runner
+          EXPERIMENT_IMAGE_TAG: ci
+          IMAGE_PULL_POLICY: IfNotPresent
+          LITMUS_CLEANUP: true
+
+      - name: Running container kill chaos experiment
+        if: startsWith(github.event.comment.body, '/run-e2e-container-kill') || startsWith(github.event.comment.body, '/run-e2e-all')
+        uses: mayadata-io/github-chaos-actions@v0.1.1
+        env:
+          INSTALL_LITMUS: true
+          EXPERIMENT_NAME: container-kill
+          EXPERIMENT_IMAGE: litmuschaos/ansible-runner
+          EXPERIMENT_IMAGE_TAG: ci
+          IMAGE_PULL_POLICY: IfNotPresent
+          LITMUS_CLEANUP: true
+
+      - name: Running node-cpu-hog chaos experiment
+        if: startsWith(github.event.comment.body, '/run-e2e-node-cpu-hog') || startsWith(github.event.comment.body, '/run-e2e-all')
+        uses: mayadata-io/github-chaos-actions@v0.1.1
+        env:
+          INSTALL_LITMUS: true
+          EXPERIMENT_NAME: node-cpu-hog
+          EXPERIMENT_IMAGE: litmuschaos/ansible-runner
+          EXPERIMENT_IMAGE_TAG: ci
+          IMAGE_PULL_POLICY: IfNotPresent
+          LITMUS_CLEANUP: true
+
+      - name: Running node-memory-hog chaos experiment
+        if: startsWith(github.event.comment.body, '/run-e2e-node-memory-hog') || startsWith(github.event.comment.body, '/run-e2e-all')
+        uses: mayadata-io/github-chaos-actions@v0.1.1
+        env:
+          INSTALL_LITMUS: true
+          EXPERIMENT_NAME: node-memory-hog
+          EXPERIMENT_IMAGE: litmuschaos/ansible-runner
+          EXPERIMENT_IMAGE_TAG: ci
+          IMAGE_PULL_POLICY: IfNotPresent
+          LITMUS_CLEANUP: true      
+
+      - name: Check the test run
+        if: |
+         startsWith(github.event.comment.body, '/run-e2e-pod-delete') || startsWith(github.event.comment.body, '/run-e2e-container-kill') ||
+         startsWith(github.event.comment.body, '/run-e2e-node-cpu-hog') || startsWith(github.event.comment.body, '/run-e2e-node-memory-hog')
+        run: |
+          echo ::set-env name=TEST_RUN::true
+
+      - name: Check for all the jobs are succeeded
+        if: ${{ success() && env.TEST_RUN == 'true' }}
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          comment-id: "${{ github.event.comment.id }}"
+          body: |  
+            **Test Result:** All tests are passed
+          reactions: hooray
+
+      - name: Check for any job failed
+        if: ${{ failure() }}
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          comment-id: "${{ github.event.comment.id }}"
+          body: |
+            **Test Failed:** Some tests are failed please check
+          reactions: confused
+
+      - name: Deleting KinD cluster
+        if: ${{ always() }}
+        run: kind delete cluster
+
+      - name: Check if any test ran or not
+        if: env.TEST_RUN != 'true'
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          comment-id: "${{ github.event.comment.id }}"
+          body: |
+            **Test Result:** No test found
+          reactions: eyes