Add Slack notification for image build workflow failure

Signed-off-by: NymanRobin <[email protected]>

.github/workflows/build-images-action.yml

@@ -2,7 +2,7 @@ name: build-images-action
 on:
   push:
     branches:
-      - 'main'
+    - 'main'
 permissions: {}
 jobs:
   build:
@@ -12,15 +12,25 @@ jobs:
     permissions:
       contents: read
     steps:
-      - name: build ironic-client image
-        uses: toptal/jenkins-job-trigger-action@137fff703dd260b52b53d3ba1960396415abc568 # 1.0.2
-        with:
-          jenkins_url: "https://jenkins.nordix.org/"
-          jenkins_user: "[email protected]"
-          jenkins_token: ${{ secrets.JENKINS_TOKEN }}
-          job_name: "metal3_ironic-client_container_image_building"
-          job_params: |
-            {
-              "BUILD_CONTAINER_IMAGE_GIT_REFERENCE": "${{ github.ref }}"
-            }
-          job_timeout: "1000"
+    - name: build ironic-client image
+      uses: toptal/jenkins-job-trigger-action@137fff703dd260b52b53d3ba1960396415abc568 # 1.0.2
+      with:
+        jenkins_url: "https://jenkins.nordix.org/"
+        jenkins_user: "[email protected]"
+        jenkins_token: ${{ secrets.JENKINS_TOKEN }}
+        job_name: "metal3_ironic-client_container_image_building"
+        job_params: |
+          {
+            "BUILD_CONTAINER_IMAGE_GIT_REFERENCE": "${{ github.ref }}"
+          }
+        job_timeout: "1000"
+    - name: Slack Notification on Failure
+      if: ${{ failure() }}
+      uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907 # 2.3.0
+      env:
+        SLACK_TITLE: 'GitHub Action Failed in ${{ github.repository }}'
+        SLACK_COLOR: '#FF0000'
+        SLACK_MESSAGE: 'The GitHub Action workflow failed for ironic client image build.'
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+        SLACK_CHANNEL: metal3-github-actions-notify
+        SLACK_USERNAME: metal3-github-actions-notify