Add slack notification

.github/workflows/slack_notification.yml

@@ -0,0 +1,50 @@
+name: Check for tests or deployment results
+on:
+  workflow_run:
+    workflows: ["CI","Dev deployment","Staging deployment","Production deployment"]
+    types: [completed]
+
+jobs:
+  notify-slack:
+    runs-on: ubuntu-latest
+    env:
+      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+    steps:
+      - name: Extract Slack ID for author
+        id: extract_slack_id
+        run: |
+          #!/bin/bash
+          # user_string="johndoe:U12345678, janedoe:U87654321, alice:U98765432"
+          user_string="${{ vars.SLACK_USER_IDS }}"
+          suid=""
+          
+          IFS=", " read -r -a users <<< "$user_string"
+          for user in "${users[@]}"; do
+            IFS=':' read -r github_username slack_user_id <<< "$user"
+            if [ "$github_username" == "${{github.actor}}" ]; then
+              suid="$slack_user_id"
+              break
+            fi
+          done
+          
+          echo "::set-output name=suid::$suid"
+      - name: tests
+        uses: ravsamhq/notify-slack-action@v2
+        if: ${{ github.event.workflow_run.head_branch != 'main' && github.event.workflow_run.head_branch != 'staging' && github.event.workflow_run.head_branch != 'production' }}
+        with:
+          status: ${{ github.event.workflow_run.conclusion }}
+          notification_title: "Tests ${{github.event.workflow_run.conclusion}} on *${{github.event.workflow_run.head_branch}}* - <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View ${{github.event.workflow_run.conclusion}}>"
+          message_format: "{emoji} *${{github.event.workflow_run.name}}* ${{github.event.workflow_run.conclusion}} in <{repo_url}|{repo}>"
+          footer: "Linked Repo <${{github.server_url}}/${{github.repository}}|${{github.repository}}> | <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View ${{github.event.workflow_run.conclusion}}>"
+          mention_users: ${{ steps.extract_slack_id.outputs.suid }}
+          mention_users_when: "failure,warnings"
+      - name: deployment
+        uses: ravsamhq/notify-slack-action@v2
+        if: ${{ github.event.workflow_run.head_branch == 'main' || github.event.workflow_run.head_branch == 'staging' || github.event.workflow_run.head_branch == 'production' }}
+        with:
+          status: ${{ github.event.workflow_run.conclusion }}
+          notification_title: "Deployment ${{github.event.workflow_run.conclusion}} on *${{github.event.workflow_run.head_branch}}* - <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View ${{github.event.workflow_run.conclusion}}>"
+          message_format: "{emoji} *${{github.event.workflow_run.name}}* ${{github.event.workflow_run.conclusion}} in <{repo_url}|{repo}>"
+          footer: "Linked Repo <${{github.server_url}}/${{github.repository}}|${{github.repository}}> | <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View ${{github.event.workflow_run.conclusion}}>"
+          mention_users: ${{ steps.extract_slack_id.outputs.suid }}
+          mention_users_when: "failure,warnings"