Add XMPP notification post-build step

Jenkinsfile

@@ -9,4 +9,24 @@ pipeline {
             }
         }
     }
+    post {
+        always {
+            script {
+                def status = currentBuild.currentResult
+                def payload = groovy.json.JsonOutput.toJson([
+                    name: env.JOB_NAME,
+                    build: [
+                        number: env.BUILD_NUMBER as int,
+                        status: status,
+                        phase: "COMPLETED",
+                        duration: currentBuild.duration,
+                        full_url: env.BUILD_URL
+                    ]
+                ])
+                sh """curl -s -X POST http://127.0.0.1:9090/jenkins \
+                    -H 'Content-Type: application/json' \
+                    -d '${payload}'"""
+            }
+        }
+    }
 }