Added support for Gradle 5 and Java 11.

jenkins-x-platform/values.yaml

@@ -1510,6 +1510,59 @@ jenkins:
             Command: "/bin/sh -c"
             Args: "cat"
             Tty: true
+      Gradle5-Java11:
+        Name: gradle5-java11
+        Label: jenkins-gradle5-java11
+        DevPodPorts: 5005, 8080
+        volumes:
+          - type: Secret
+            secretName: jenkins-maven-settings
+            mountPath: /root/.m2/
+          - type: Secret
+            secretName: jenkins-docker-cfg
+            mountPath: /home/jenkins/.docker
+          - type: Secret
+            secretName: jenkins-release-gpg
+            mountPath: /home/jenkins/.gnupg
+        EnvVars:
+          JENKINS_URL: http://jenkins:8080
+          _JAVA_OPTIONS: '-XX:+UnlockExperimentalVMOptions -Dsun.zip.disableMemoryMapping=true -XX:+UseParallelGC -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Xms10m -Xmx192m'
+          GIT_COMMITTER_EMAIL: [email protected]
+          GIT_AUTHOR_EMAIL: [email protected]
+          GIT_AUTHOR_NAME: jenkins-x-bot
+          GIT_COMMITTER_NAME: jenkins-x-bot
+          XDG_CONFIG_HOME: /home/jenkins
+          DOCKER_CONFIG: /home/jenkins/.docker/
+        ServiceAccount: jenkins
+        # Node labels and tolerations for pod assignment
+        # ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
+        # ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+        # NodeSelector:
+        #   dedicated: jenkins-x-builder
+        # Tolerations:
+        # - effect: NoSchedule
+        #   key: dedicated
+        #   operator: Equal
+        #   value: jenkins-x-builder
+        Containers:
+          Jnlp:
+            Image: jenkinsci/jnlp-slave:3.26-1-alpine
+
+            RequestCpu: "100m"
+            RequestMemory: "128Mi"
+            Args: '${computer.jnlpmac} ${computer.name}'
+          Gradle:
+            Image: gcr.io/jenkinsxio/builder-gradle5-java11:2.1.126-745
+            Privileged: true
+            RequestCpu: "400m"
+            RequestMemory: "512Mi"
+            LimitCpu: "1"
+            LimitMemory: "1024Mi"
+            # You may want to change this to true while testing a new image
+            # AlwaysPullImage: true
+            Command: "/bin/sh -c"
+            Args: "cat"
+            Tty: true
       Scala:
         Name: scala
         Label: jenkins-scala