add jenkinsfile to prometheus

add graphana scraper to prometheus

dockerfiles/services/jenkins/Jenkinsfile

@@ -18,7 +18,7 @@ node('docker') {
         dir(workdir) {
             sh """
                 docker stack deploy -c docker-compose.yml jenkins
-                docker service update jenkins_app
+                docker service -q update jenkins_app
             """
         }
     }

dockerfiles/services/prometheus/Jenkinsfile

@@ -0,0 +1,32 @@
+node('docker') {
+    def service_name = 'metrics'
+    def app_name = 'prometheus'
+    def workdir = 'dockerfiles/services/prometheus'
+
+    stage('prepare') {
+        git credentialsId: 'f1f58215-c789-44a2-9b72-50e4425cb061', url: 'ssh://git@git.xai-corp.net:10022/xai-corp.net/provisioning.git'
+        sh 'ls'
+    }
+
+    stage('build') {
+        dir(workdir) {
+            sh "DOCKER_HOST=dkhost:2376 docker-compose -f docker-compose.yml pull"
+        }
+    }
+
+    stage('deploy') {
+        dir(workdir) {
+            sh """
+                docker stack deploy -c docker-compose.yml ${service_name}
+                docker service -q update ${service_name}_${app_name}
+            """
+        }
+    }
+
+    stage('smoke tests') {
+        dir(workdir) {
+            sleep 60
+            sh "curl -If https://metrics.xai-corp.net/metrics"
+        }
+    }
+}

dockerfiles/services/prometheus/prometheus.yml

@@ -68,3 +68,12 @@ scrape_configs:
   static_configs:
     - targets:
       - 'jenkins.xai-corp.net'
+
+- job_name: graphana
+  metrics_path: '/metrics'
+  scrape_interval: 60s
+  scrape_timeout:  9s
+  scheme: https
+  static_configs:
+    - targets:
+      - 'metrics.xai-corp.net'