SLCORE-705: Slack notification on pipeline failure (#879)

* SLCORE-705: Slack notification on pipeline failure

* Fix script invocation

.cirrus.yml

@@ -11,6 +11,7 @@ env:
   BURGR_PASSWORD: VAULT[development/kv/data/burgr data.cirrus_password]
   SONAR_HOST_URL: VAULT[development/kv/data/next data.url]
   SONAR_TOKEN: VAULT[development/kv/data/next data.token]
+  SLACK_TOKEN: VAULT[development/kv/data/slack data.token]
 
 auto_cancellation: $CIRRUS_BRANCH != $CIRRUS_DEFAULT_BRANCH
 
@@ -78,6 +79,9 @@ build_task:
   cache_script:
     - mvn -B -e -V -Pits dependency:go-offline # populate cache including ITs deps too
   cleanup_before_cache_script: cleanup_maven_repository
+  on_failure:
+    slack_notification_script: |
+      .cirrus/slack-notification.sh
 
 test_linux_task:
   # Run unit tests on Linux with Java 17 and SonarQube analysis on Next
@@ -98,6 +102,8 @@ test_linux_task:
     junit_artifacts:
       path: '**/target/surefire-reports/TEST-*.xml'
       format: junit
+    slack_notification_script: |
+      .cirrus/slack-notification.sh
 
 test_windows_task:
   # Run UTs on Windows (Java 17)
@@ -119,6 +125,8 @@ test_windows_task:
     junit_artifacts:
       path: '**/target/surefire-reports/TEST-*.xml'
       format: junit
+    slack_notification_script: |
+      .cirrus/slack-notification.sh
 
 mend_scan_task:
   # Run Mend analysis
@@ -141,6 +149,9 @@ mend_scan_task:
   always:
     ws_artifacts:
       path: "whitesource/**/*"
+  on_failure:
+    slack_notification_script: |
+      .cirrus/slack-notification.sh
 
 qa_task:
   # Run ITs
@@ -200,6 +211,8 @@ qa_task:
       format: junit
     log_artifacts:
       path: "**/target/**/sonarqube*/logs/*.log"
+    slack_notification_script: |
+      .cirrus/slack-notification.sh
 
 promote_task:
   # Promotion
@@ -223,3 +236,6 @@ promote_task:
   <<: *MAVEN_CACHE_DEFINITION
   script: cirrus_promote_maven
   cleanup_before_cache_script: cleanup_maven_repository
+  on_failure:
+    slack_notification_script: |
+      .cirrus/slack-notification.sh

.cirrus/slack-notification.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -euo pipefail
+
+curl -X POST https://slack.com/api/chat.postMessage \
+  -H "Authorization: Bearer ${SLACK_TOKEN}" \
+  -H 'Content-type: application/json; charset=utf-8' \
+  --data-binary @- <<EOF
+{
+  "channel": "squad-sonar-solution-bots",
+	"blocks": [
+		{
+			"type": "header",
+			"text": {
+				"type": "plain_text",
+				"text": "Cirrus CI build failure on pipeline"
+			}
+		},
+		{
+			"type": "section",
+			"text": {
+				"type": "mrkdwn",
+				"text": "Task <https://cirrus-ci.com/task/$CIRRUS_TASK_ID|$CIRRUS_TASK_ID> failed on *<$CIRRUS_REPO_CLONE_URL|$CIRRUS_REPO_FULL_NAME>* ($CIRRUS_BRANCH)"
+			}
+		}
+	]
+}
+EOF