test: Add slack notifications to CI workflow (#585)

* add slack notifications to ci.yml

* fix syntax on build outcome

* gha test 1

* gha test 2

.github/workflows/ci.yml

@@ -76,4 +76,70 @@ jobs:
           python3 e2e_scripts/tod_scripts/xml_to_obj_storage/scripts/xml_to_obj.py "$REPORT_FILENAME"
         env:
           LINODE_CLI_OBJ_ACCESS_KEY: ${{ secrets.LINODE_CLI_OBJ_ACCESS_KEY }}
-          LINODE_CLI_OBJ_SECRET_KEY: ${{ secrets.LINODE_CLI_OBJ_SECRET_KEY }}
+          LINODE_CLI_OBJ_SECRET_KEY: ${{ secrets.LINODE_CLI_OBJ_SECRET_KEY }}
+
+  notify-slack:
+    runs-on: ubuntu-latest
+    needs: [test]
+    if: always() && github.repository == 'linode/linodego' # Run even if integration tests fail and only on main repository
+
+    steps:
+      - name: Notify Slack
+        uses: slackapi/[email protected]
+        with:
+          channel-id: ${{ secrets.SLACK_CHANNEL_ID }}
+          payload: |
+            {
+              "blocks": [
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": ":rocket: *${{ github.workflow }} Completed in: ${{ github.repository }}* :white_check_mark:"
+                  }
+                },
+                {
+                  "type": "divider"
+                },
+                {
+                  "type": "section",
+                  "fields": [
+                    {
+                      "type": "mrkdwn",
+                      "text": "*Build Result:*\n${{ needs.test.result == 'success' && ':large_green_circle: Build Passed' || ':red_circle: Build Failed' }}"
+                    },
+                    {
+                      "type": "mrkdwn",
+                      "text": "*Branch:*\n`${{ github.ref_name }}`"
+                    }
+                  ]
+                },
+                {
+                  "type": "section",
+                  "fields": [
+                    {
+                      "type": "mrkdwn",
+                      "text": "*Commit Hash:*\n<${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}|${{ github.sha }}>"
+                    },
+                    {
+                      "type": "mrkdwn",
+                      "text": "*Run URL:*\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|View Run Details>"
+                    }
+                  ]
+                },
+                {
+                  "type": "divider"
+                },
+                {
+                  "type": "context",
+                  "elements": [
+                    {
+                      "type": "mrkdwn",
+                      "text": "Triggered by: :bust_in_silhouette: `${{ github.actor }}`"
+                    }
+                  ]
+                }
+              ]
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}