Add Jenkinsfile for build of downloads API

Jenkinsfile

+  @Library('common-shared') _
+
+pipeline {
+  agent {
+    kubernetes {
+      label 'buildenv-agent'
+      yaml '''
+      apiVersion: v1
+      kind: Pod
+      spec:
+        containers:
+        - name: buildcontainer
+          image: eclipsefdn/stack-build-agent:latest
+          imagePullPolicy: Always
+          command:
+          - cat
+          tty: true
+          resources:
+            requests:
+              cpu: "1"
+              memory: "4Gi"
+            limits:
+              cpu: "2"
+              memory: "4Gi"
+          env:
+          - name: "HOME"
+            value: "/home/jenkins"
+          - name: "MAVEN_OPTS"
+            value: "-Duser.home=/home/jenkins"
+          volumeMounts:
+          - name: m2-repo
+            mountPath: /home/jenkins/.m2/repository
+          - name: m2-secret-dir
+            mountPath: /home/jenkins/.m2/settings.xml
+            subPath: settings.xml
+            readOnly: true
+          - mountPath: "/home/jenkins/.m2/settings-security.xml"
+            name: "m2-secret-dir"
+            readOnly: true
+            subPath: "settings-security.xml"
+          - mountPath: "/home/jenkins/.mavenrc"
+            name: "m2-dir"
+            readOnly: true
+            subPath: ".mavenrc"
+          - mountPath: "/home/jenkins/.m2/wrapper"
+            name: "m2-wrapper"
+            readOnly: false
+          - mountPath: "/home/jenkins/.cache"
+            name: "yarn-cache"
+            readOnly: false
+        - name: jnlp
+          resources:
+            requests:
+              memory: "1024Mi"
+              cpu: "500m"
+            limits:
+              memory: "1024Mi"
+              cpu: "1000m"
+        volumes:
+        - name: "m2-dir"
+          configMap:
+            name: "m2-dir"
+        - name: m2-secret-dir
+          secret:
+            secretName: m2-secret-dir
+        - name: m2-repo
+          emptyDir: {}
+        - name: m2-wrapper
+          emptyDir: {}
+        - name: yarn-cache
+          emptyDir: {}
+      '''
+    }
+  }
+
+  environment {
+    APP_NAME = 'eclipsefdn-downloads-api'
+    NAMESPACE = 'foundation-internal-webdev-apps'
+    IMAGE_NAME = 'eclipsefdn/eclipsefdn-downloads-api'
+    CONTAINER_NAME = 'api'
+    ENVIRONMENT = sh(
+      script: """
+        printf "${env.BRANCH_NAME}"
+      """,
+      returnStdout: true
+    )
+    TAG_NAME = sh(
+      script: """
+        GIT_COMMIT_SHORT=\$(git rev-parse --short ${env.GIT_COMMIT})
+        if [ "${env.ENVIRONMENT}" = "" ]; then
+          printf \${GIT_COMMIT_SHORT}-${env.BUILD_NUMBER}
+        else
+          printf ${env.ENVIRONMENT}-\${GIT_COMMIT_SHORT}-${env.BUILD_NUMBER}
+        fi
+      """,
+      returnStdout: true
+    )
+  }
+
+  options {
+    buildDiscarder(logRotator(numToKeepStr: '10'))
+  }
+
+  stages {
+    stage('Build project') {
+      steps {
+        container('buildcontainer') {
+          readTrusted 'Makefile'
+          readTrusted 'mvnw'
+          readTrusted '.mvn/wrapper/MavenWrapperDownloader.java'
+          readTrusted 'pom.xml'
+          sh 'make compile'
+          stash name: "target", includes: "target/**/*"
+        }
+      }
+    }
+
+    stage('Build docker image') {
+      agent {
+        label 'docker-build'
+      }
+      steps {
+        readTrusted 'src/main/docker/Dockerfile.jvm'
+
+        unstash 'target'
+        sh '''
+          docker build -f src/main/docker/Dockerfile.jvm --no-cache -t ${IMAGE_NAME}:${TAG_NAME} -t ${IMAGE_NAME}:latest .
+        '''
+      }
+    }
+
+    stage('Push docker image') {
+      agent {
+        label 'docker-build'
+      }
+      when {
+        anyOf {
+          environment name: 'ENVIRONMENT', value: 'production'
+          environment name: 'ENVIRONMENT', value: 'staging'
+        }
+      }
+      steps {
+        withDockerRegistry([credentialsId: '04264967-fea0-40c2-bf60-09af5aeba60f', url: 'https://index.docker.io/v1/']) {
+          sh '''
+            docker push ${IMAGE_NAME}:${TAG_NAME}
+            docker push ${IMAGE_NAME}:latest
+          '''
+        }
+      }
+    }
+
+    stage('Deploy to cluster') {
+      agent {
+        kubernetes {
+          label 'kubedeploy-agent'
+          yaml '''
+          apiVersion: v1
+          kind: Pod
+          spec:
+            containers:
+            - name: kubectl
+              image: eclipsefdn/kubectl:okd-c1
+              command:
+              - cat
+              tty: true
+              resources:
+                limits:
+                  cpu: 1
+                  memory: 1Gi
+              volumeMounts:
+              - mountPath: "/home/default/.kube"
+                name: "dot-kube"
+                readOnly: false
+            - name: jnlp
+              resources:
+                limits:
+                  cpu: 1
+                  memory: 1Gi
+            volumes:
+            - name: "dot-kube"
+              emptyDir: {}
+          '''
+        }
+      }
+
+      when {
+        anyOf {
+          environment name: 'ENVIRONMENT', value: 'production'
+          environment name: 'ENVIRONMENT', value: 'staging'
+        }
+      }
+      steps {
+        container('kubectl') {
+          updateContainerImage([
+            namespace: "${env.NAMESPACE}",
+            selector: "app=${env.APP_NAME},environment=${env.ENVIRONMENT}",
+            containerName: "${env.CONTAINER_NAME}",
+            newImageRef: "${env.IMAGE_NAME}:${env.TAG_NAME}"
+          ])
+        }
+      }
+    }
+  }
+
+  post {
+    always {
+      deleteDir() /* clean up workspace */
+      sendNotifications currentBuild
+    }
+  }
+}