Merge pull request #230 from kgudel/helmDeploy

Update Jenkins with branch deployment

Jenkinsfile

@@ -6,10 +6,25 @@ volumes: [
   hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock'),
 ]) {
    node('buildDockerContainer') {
-     def repo = checkout scm
-     def gitCommit = repo.GIT_COMMIT
-     def gitBranch = repo.GIT_BRANCH
-     def shortGitCommit = "${gitCommit[0..10]}"
+     sh "env | sort"
+
+    def repo = checkout scm
+    def gitBranch = repo.GIT_BRANCH
+    def gitCommit = repo.GIT_COMMIT
+    def shortCommit = repo.GIT_COMMIT[0..7]
+    def isDeployPR = sh(returnStdout: true, script: "git log -1").contains("[deploy pr]")
+    def gitTagged = env.TAG_NAME != null
+
+    if (gitBranch == "master") {
+      env.DOCKER_TAG = "latest"
+    } else if (gitTagged) {
+      env.DOCKER_TAG = env.TAG_NAME
+    } else {
+      env.DOCKER_TAG = env.BRANCH_NAME
+    }
+
+    println "DOCKER_TAG: ${env.DOCKER_TAG}, TAG_NAME: ${env.TAG_NAME}, gitbranch: ${gitBranch}, shortCommit: ${shortCommit}, isDeployPR: ${isDeployPR}"
+
 
     stage('Build And Publish Docker Image') {
       container('docker') {
@@ -19,16 +34,16 @@ volumes: [
               usernameVariable: 'DTR_USER', passwordVariable: 'DTR_PASSWORD']]) {
               withCredentials([string(credentialsId: 'internal-docker-registry', variable: 'DOCKER_REGISTRY_URL')]){
                 sh "docker build --rm -t=${env.DOCKER_HUB_USER}/hmda-pub-ui ."
-                if (env.TAG_NAME != null || gitBranch == "master") {
-                  if (gitBranch == "master") {
-                    env.DOCKER_TAG = "latest"
-                  } else {
-                    env.DOCKER_TAG = env.TAG_NAME
-                  }
+                if (gitTagged || gitBranch == "master" || isDeployPR) {
+                  //Push to Dockerhub
                   sh """
                     docker tag ${env.DOCKER_HUB_USER}/hmda-pub-ui ${env.DOCKER_HUB_USER}/hmda-pub-ui:${env.DOCKER_TAG}
                     docker login -u ${env.DOCKER_HUB_USER} -p ${env.DOCKER_HUB_PASSWORD} 
                     docker push ${env.DOCKER_HUB_USER}/hmda-pub-ui:${env.DOCKER_TAG}
+                  """
+
+                  //Push to Internal Docker Repo
+                  sh """
                     docker tag ${env.DOCKER_HUB_USER}/hmda-pub-ui:${env.DOCKER_TAG} ${DOCKER_REGISTRY_URL}/${env.DOCKER_HUB_USER}/hmda-pub-ui:${env.DOCKER_TAG}
                     docker login ${DOCKER_REGISTRY_URL} -u ${env.DTR_USER} -p ${env.DTR_PASSWORD} 
                     docker push ${DOCKER_REGISTRY_URL}/${env.DOCKER_HUB_USER}/hmda-pub-ui:${env.DOCKER_TAG}
@@ -42,14 +57,16 @@ volumes: [
       }
 
     stage('Deploy') {
-      if (env.BRANCH_NAME == 'master') {
+      if (env.BRANCH_NAME == 'master' || isDeployPR) {
         container('helm') {
           sh "helm upgrade --install --force \
-          --namespace=default \
-          --values=kubernetes/hmda-pub-ui/values.yaml \
-          --set image.tag=latest \
-          hmda-pub-ui \
-          kubernetes/hmda-pub-ui"
+            --namespace=default \
+            --values=kubernetes/hmda-pub-ui/values.yaml \
+            --set commitId=$shortCommit \
+            --set image.pullPolicy=Always \
+            --set image.tag=${env.DOCKER_TAG} \
+            hmda-pub-ui \
+            kubernetes/hmda-pub-ui"
         }
       }
     }

kubernetes/hmda-pub-ui/templates/deployment.yaml

@@ -26,6 +26,9 @@ spec:
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          env:
+          - name: GIT_COMMIT
+            value: {{ .Values.commitId }}
           volumeMounts:
             - name: tz-config
               mountPath: /etc/localtime

kubernetes/hmda-pub-ui/values.yaml

@@ -3,6 +3,7 @@
 # Declare variables to be passed into your templates.
 
 replicaCount: 1
+commitId: ''
 
 image:
   repository: hmda/hmda-pub-ui