[QA] slack notify on failure

.ci/Jenkinsfile_coverage

@@ -11,8 +11,11 @@ kibanaPipeline(timeoutMinutes: 240) {
       'CODE_COVERAGE=1', // Enables coverage.  Needed for multiple ci scripts, such as remote.ts, test/scripts/*.sh, schema.js, etc.
     ]) {
       workers.base(name: 'coverage-worker', size: 'l', ramDisk: false, bootstrapped: false) {
-        kibanaCoverage.runTests()
-        handleIngestion(TIME_STAMP)
+        catchError {
+          kibanaCoverage.runTests()
+          handleIngestion(TIME_STAMP)
+        }
+        handleFail()
       }
     }
     kibanaPipeline.sendMail()
@@ -29,4 +32,10 @@ def handleIngestion(timestamp) {
   kibanaCoverage.uploadCoverageStaticSite(timestamp)
 }
 
+def handleFail() {
+  def buildStatus = buildUtils.getBuildStatus()
+  if(params.NOTIFY_ON_FAILURE && buildStatus != 'SUCCESS' && buildStatus != 'ABORTED') {
+    kibanaCoverage.onFailure()
+  }
+}
 

vars/kibanaCoverage.groovy

@@ -1,3 +1,44 @@
+def onFailure(Map options = [:]) {
+  catchError {
+    def status = buildUtils.getBuildStatus()
+    if (status != "SUCCESS") {
+      catchErrors {
+        sendSlackMsg(options)
+      }
+    }
+  }
+}
+
+def sendSlackMsg(Map params = [:]) {
+  def config = [
+    channel: '#kibana-qa',
+    title: "*<${env.BUILD_URL}|${slackNotifications.getDefaultDisplayName()}>*",
+    message: slackNotifications.getDefaultDisplayName(),
+    color: 'danger',
+    icon: ':jenkins:',
+    username: 'Kibana QA',
+    context: slackNotifications.getDefaultContext(),
+  ] + params
+
+
+  def title = "${slackNotifications.getStatusIcon()} ${config.title}"
+
+  def blocks = [slackNotifications.markdownBlock(title)]
+  slackNotifications.getFailedBuildBlocks().each { blocks << it }
+  blocks << slackNotifications.dividerBlock()
+  blocks << config.context
+
+  slackSend(
+    channel: config.channel,
+    username: config.username,
+    iconEmoji: config.icon,
+    color: config.color,
+    message: config.message,
+    blocks: blocks
+  )
+}
+
+
 def uploadCoverageStaticSite(timestamp) {
   def uploadPrefix = "gs://elastic-bekitzur-kibana-coverage-live/"
   def uploadPrefixWithTimeStamp = "${uploadPrefix}${timestamp}/"