Add custom docker registry to KubernetesCluster

Allow access to private docker registry using docker argument
'--insecure-registry'.
Add new field for docker private registry host ip or domain name.

Partially implements: blueprint k8s-docker-enterprise-hub-support

Change-Id: I725c0b6a2bdbfe6eb9e627266411286fe44bfae3

Docker/Kubernetes/KubernetesCluster/package/Classes/KubernetesCluster.yaml

@@ -49,6 +49,9 @@ Properties:
   dockerRegistry:
     Contract: $.string()
 
+  dockerMirror:
+    Contract: $.string()
+
   serviceEndpoints:
     Contract:
       - port: $.int().notNull().check($ > 0)

Docker/Kubernetes/KubernetesCluster/package/Classes/KubernetesMinionNode.yaml

@@ -84,7 +84,8 @@ Methods:
                 name => $.instance.name,
                 ip => $.getIp(),
                 masterIp => $._cluster.masterNode.getIp(),
-                dockerRegistry => $._cluster.dockerRegistry
+                dockerRegistry => $._cluster.dockerRegistry,
+                dockerMirror => $._cluster.dockerMirror
               ))
           - $.instance.agent.call($template, $resources)
           - $.setAttr(nodeConfigured, true)

Docker/Kubernetes/KubernetesCluster/package/Resources/KubeMinionSetup.template

@@ -19,10 +19,14 @@ Parameters:
   ip: $ip
   masterIp: $masterIp
   dockerRegistry: $dockerRegistry
+  dockerMirror: $dockerMirror
 
 Body: |
   if args.dockerRegistry:
     setupRegistry(args.dockerRegistry)
+  if args.dockerMirror:
+    setupMirror(args.dockerMirror)
+  restartDocker()
   setup('{0} {1} {2}'.format(args.name, args.ip, args.masterIp))
 
 Scripts:
@@ -50,3 +54,20 @@ Scripts:
     Options:
       captureStdout: true
       captureStderr: true
+
+  setupMirror:
+    Type: Application
+    Version: 1.0.0
+    EntryPoint: setupDockerMirror.sh
+    Files: []
+    Options:
+      captureStdout: true
+      captureStderr: true
+
+  restartDocker:
+    Type: Application
+    Version: 1.0.0
+    EntryPoint: restartDocker.sh
+    Options:
+      captureStdout: false
+      captureStderr: false

Docker/Kubernetes/KubernetesCluster/package/Resources/scripts/restartDocker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+service docker restart

Docker/Kubernetes/KubernetesCluster/package/Resources/scripts/setupDockerMirror.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+source /etc/default/docker
+DOCKER_OPTS+=" --registry-mirror=$1"
+echo DOCKER_OPTS=\"$DOCKER_OPTS\" > /etc/default/docker

Docker/Kubernetes/KubernetesCluster/package/Resources/scripts/setupDockerRegistry.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
 source /etc/default/docker
-DOCKER_OPTS+=" --registry-mirror=$1"
-echo DOCKER_OPTS=\"$DOCKER_OPTS\" > /etc/default/docker
-
-service docker restart
+DOCKER_OPTS+=" --insecure-registry $1"
+echo DOCKER_OPTS=\"$DOCKER_OPTS\" > /etc/default/docker

Docker/Kubernetes/KubernetesCluster/package/UI/ui.yaml

@@ -63,6 +63,7 @@ Application:
   gatewayCount: $.appConfiguration.gatewayCount
   gatewayNodes: repeat($gatewayNode, $.appConfiguration.maxGatewayCount)
   dockerRegistry: $.appConfiguration.dockerRegistry
+  dockerMirror: $.appConfiguration.dockerMirror
 
 
 Forms:
@@ -164,9 +165,16 @@ Forms:
           type: string
           label: Custom Docker registry URL
           description: >-
-            URL of docker repository mirror to use.
+            Host IP or domain name of custom Docker registry to use.
             Leave empty to use Docker default.
           required: false
+        - name: dockerMirror
+          type: string
+          label: Docker registry mirror URL
+          description: >-
+            URL of Docker registry mirror to use.
+            Leave empty to not use one.
+          required: false
 
   - instanceConfiguration:
       fields: