From 94d7b04002e6b938014750cf736ab84d33d32f22 Mon Sep 17 00:00:00 2001
From: richard <r_morgan@sympatico.ca>
Date: Sun, 19 Apr 2020 09:27:03 -0400
Subject: [PATCH] convert prometheus jenkinsfile to declarative pipeline

---
 dockerfiles/services/prometheus/Jenkinsfile | 107 ++++++++++++++------
 1 file changed, 75 insertions(+), 32 deletions(-)

diff --git a/dockerfiles/services/prometheus/Jenkinsfile b/dockerfiles/services/prometheus/Jenkinsfile
index 924e79f..1e1c5cb 100644
--- a/dockerfiles/services/prometheus/Jenkinsfile
+++ b/dockerfiles/services/prometheus/Jenkinsfile
@@ -1,42 +1,85 @@
-node('docker') {
-    def service_name = 'metrics'
-    def app_name = 'prometheus'
-    def workdir = 'dockerfiles/services/prometheus'
-    def build_file = 'docker-compose.yml'
-    def deployment_file = 'docker-compose-prod.yml'
-
-    stage('prepare') {
-        git credentialsId: 'f1f58215-c789-44a2-9b72-50e4425cb061', url: 'ssh://git@git.xai-corp.net:10022/xai-corp.net/provisioning.git'
-        sh 'ls'
+pipeline {
+    environment {
+        service_name = 'metrics'
+        build_file = 'docker-compose.yml'
+        deployment_file = 'docker-compose-prod.yml'
+        DOCKERFILE = 'Dockerfile'
+        APP_NAME = 'prometheus'
+        APP_PORT = '80'
+        WORKDIR = 'dockerfiles/services/prometheus'
+        DOCKER_HOST = 'dkhost:2376'
     }
 
-    stage('build') {
-        dir(workdir) {
-            docker.withRegistry('http://dkregistry.xai-corp.net:5000') {
-                def customImage = docker.build("dkregistry.xai-corp.net:5000/xaicorp/${app_name}:latest", "-f Dockerfile .")
-                customImage.push()
+    agent { label 'docker' }
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '6'))
+    }
+    triggers {
+        cron('@monthly')
+    }
+
+    stages {
+        stage('prepare') {
+            steps {
+                checkout scm
+//                 git credentialsId: 'f1f58215-c789-44a2-9b72-50e4425cb061', url: 'ssh://git@git.xai-corp.net:10022/xai-corp.net/provisioning.git'
+
+                sh 'ls'
             }
-            sh "docker-compose -f ${deployment_file} pull"
         }
-    }
 
-    stage('deploy') {
-        dir(workdir) {
-            sh """
-                docker stack deploy -c ${deployment_file} ${service_name}
-                docker service update -q ${service_name}_prometheus
-                docker service update -q ${service_name}_statsd_exporter
-                docker service update -q ${service_name}_fluentd_exporter
-                docker service update -q ${service_name}_node_exporter
-                docker service update -q ${service_name}_graphana
-            """
+        stage('build') {
+            steps {
+                dir(WORKDIR) {
+                    script {
+                        docker.withRegistry('http://dkregistry.xai-corp.net:5000', 'b11d7f1a-81ac-4daf-8842-56afc0d2370e') {
+                            def customImage = docker.build("dkregistry.xai-corp.net:5000/xaicorp/${app_name}:latest", "-f Dockerfile .")
+                            customImage.push()
+                        }
+                        withDockerRegistry(credentialsId: 'b11d7f1a-81ac-4daf-8842-56afc0d2370e', url: 'http://dkregistry.xai-corp.net:5000') {
+                            sh "docker-compose -f ${deployment_file} pull"
+                        }
+                    }
+                }
+            }
         }
-    }
 
-    stage('smoke tests') {
-        dir(workdir) {
-            sleep 60
-            sh "curl -If https://metrics.xai-corp.net"
+        stage('deploy') {
+            steps {
+                dir(WORKDIR) {
+                    sh """
+                        export DOCKER_HOST=${DOCKER_HOST}
+                        docker stack deploy --with-registry-auth -c ${deployment_file} ${service_name}
+                        (cd ../ && chmod +x ./scaleout.sh && ./scaleout.sh ${service_name}_prometheus 60) &
+                        (cd ../ && chmod +x ./scaleout.sh && ./scaleout.sh ${service_name}_statsd_exporter 60) &
+                        (cd ../ && chmod +x ./scaleout.sh && ./scaleout.sh ${service_name}_fluentd_exporter 60) &
+                        (cd ../ && chmod +x ./scaleout.sh && ./scaleout.sh ${service_name}_node_exporter 60) &
+                        (cd ../ && chmod +x ./scaleout.sh && ./scaleout.sh ${service_name}_graphana 60) &
+
+                        wait
+                    """
+                }
+            }
         }
+
+        stage('smoke tests') {
+            steps {
+                dir(WORKDIR) {
+                    sleep 10
+                    sh "curl -If https://metrics.xai-corp.net/"
+                }
+            }
+            post {
+                failure {
+                    dir(WORKDIR) {
+                        sh """
+                            export DOCKER_HOST=${DOCKER_HOST}
+                            docker service rollback ${service_name}_graphana
+                        """
+                    }
+                }
+            }
+        }
+
     }
 }