Allow user to choose networking for containers

this commit provides ability to choose the network.
Calico is default.

Change-Id: I9dd97385d981db91791cc51ebb9f3265188fa984

Kubernetes/KubernetesCluster/package/Classes/KubernetesCluster.yaml

@@ -47,6 +47,10 @@ Properties:
       - $.class(KubernetesGatewayNode).notNull()
       - 1
 
+  useFlannel:
+    Contract: $.bool().notNull()
+    Default: false
+
   dockerRegistry:
     Contract: $.string()
 
@@ -75,6 +79,7 @@ Methods:
     Body:
       - $._environment: $.find(std:Environment).require()
 
+
   isAvailable:
     Body:
       - Return: $.masterNode.isAvailable()
@@ -132,17 +137,13 @@ Methods:
           - $.minionNodes.take($.nodeCount).select($.setupEtcd())
           - $.gatewayNodes.take($.gatewayCount).select($.setupEtcd())
 
-          - $.masterNode.setupFlannel()
+          - $._deployContainersNetwork()
           - $.masterNode.setupNode()
 
           - Parallel:
               - $.minionNodes.take($.nodeCount).pselect($.setupNode())
               - $.gatewayNodes.take($.gatewayCount).pselect($.setupNode())
 
-          - Parallel:
-              - $.minionNodes.take($.nodeCount).pselect($.setupFlannel())
-              - $.gatewayNodes.take($.gatewayCount).pselect($.setupFlannel())
-
           - $._environment.stack.push()
           - $._updateServicePublicIps()
           - $.setAttr(lastNodeCount, $.nodeCount)
@@ -156,6 +157,21 @@ Methods:
       Return: $.masterNode.getIp()
 
 
+  _deployContainersNetwork:
+    Body:
+      - If: $.useFlannel
+        Then:
+          - $.masterNode.setupFlannel()
+          - Parallel:
+              - $.minionNodes.take($.nodeCount).pselect($.setupFlannel())
+              - $.gatewayNodes.take($.gatewayCount).pselect($.setupFlannel())
+        Else:
+          - Parallel:
+              - $.masterNode.setupCalico()
+              - $.minionNodes.take($.nodeCount).pselect($.setupCalico())
+              - $.gatewayNodes.take($.gatewayCount).pselect($.setupCalico())
+
+
   createPod:
     Arguments:
       - definition:

Kubernetes/KubernetesCluster/package/Classes/KubernetesMinionNode.yaml

@@ -99,7 +99,8 @@ Methods:
                 masterIp => $._cluster.masterNode.getIp(),
                 dockerRegistry => $._cluster.dockerRegistry,
                 dockerMirror => $._cluster.dockerMirror,
-                gcloudKey => $._cluster.gcloudKey
+                gcloudKey => $._cluster.gcloudKey,
+                useFlannel => $._cluster.useFlannel
               ))
           - $.instance.agent.call($template, $resources)
           - $.setAttr(nodeConfigured, true)

Kubernetes/KubernetesCluster/package/Classes/KubernetesNode.yaml

@@ -76,6 +76,7 @@ Methods:
             IpProtocol: udp
             External: false
       - $environment.securityGroupManager.addGroupIngress($securityGroupIngress)
+
       - $stack: $environment.stack.current()
 
       - $portName: $stack.resources.get($this.instance.name).properties.networks[0].port.get_resource

Kubernetes/KubernetesCluster/package/Resources/KubeMinionSetup.template

@@ -21,6 +21,7 @@ Parameters:
   dockerRegistry: $dockerRegistry
   dockerMirror: $dockerMirror
   gcloudKey: $gcloudKey
+  useFlannel: $useFlannel
 
 Body: |
   if args.dockerRegistry:
@@ -29,8 +30,9 @@ Body: |
     setupMirror(args.dockerMirror)
   if args.gcloudKey:
     loginToGoogleRegistry("'{0}'".format(args.gcloudKey))
+
   restartDocker()
-  setup('{0} {1} {2}'.format(args.name, args.ip, args.masterIp))
+  setup('{0} {1} {2} {3}'.format(args.name, args.ip, args.masterIp, args.useFlannel))
 
 Scripts:
   setup:

Kubernetes/KubernetesCluster/package/Resources/scripts/minion-kube-setup.sh

@@ -3,6 +3,7 @@
 # $1 - NAME
 # $2 - IP
 # $3 - MASTER_IP
+# $4 - USE_CALICO
 
 mkdir -p /var/run/murano-kubernetes
 
@@ -12,6 +13,10 @@ if [[ $(which systemctl) ]]; then
   sed -i.bak "s/%%MASTER_IP%%/$3/g" environ/kubelet
   sed -i.bak "s/%%IP%%/$2/g" environ/kubelet
 
+  if [ "$4" == "False" ]; then
+    echo KUBELET_ARGS=\"--network-plugin=cni --network-plugin-dir=/etc/cni/net.d\" >> environ/kubelet
+  fi
+
   mkdir -p /etc/kubernetes/
 
   cp -f environ/kubelet /etc/kubernetes/

Kubernetes/KubernetesCluster/package/UI/ui.yaml

@@ -61,6 +61,7 @@ Application:
   minionNodes: repeat($minionNode, $.appConfiguration.maxMinionCount)
   nodeCount: $.appConfiguration.minionCount
   gatewayCount: $.appConfiguration.gatewayCount
+  useFlannel: $.appConfiguration.useFlannel
   gatewayNodes: repeat($gatewayNode, $.appConfiguration.maxGatewayCount)
   dockerRegistry: $.appConfiguration.dockerRegistry
   dockerMirror: $.appConfiguration.dockerMirror
@@ -105,6 +106,13 @@ Forms:
           description: >-
              Check to assign floating IP to Kubernetes nodes
           required: false
+        - name: useFlannel
+          type: boolean
+          initial: false
+          label: Use Flannel networking instead of Calico
+          description: >-
+             Check, if you are going use the Flannel networking instead of Calico
+          required: false
         - name: unitNamingPattern
           type: string
           initial: kube-#