add weave-net network plugin support

cluster.yml

@@ -9,6 +9,7 @@ auth:
 # flannel
 # calico
 # canal
+# weave
 network:
   plugin: flannel
   options:

cluster/network.go

@@ -36,6 +36,8 @@ func (c *Cluster) DeployNetworkPlugin() error {
 		return c.doCalicoDeploy()
 	case CanalNetworkPlugin:
 		return c.doCanalDeploy()
+	case WeaveNetworkPlugin:
+		return c.doWeaveDeploy()
 	default:
 		return fmt.Errorf("[network] Unsupported network plugin: %s", c.Network.Plugin)
 	}
@@ -78,6 +80,12 @@ func (c *Cluster) doCanalDeploy() error {
 	return c.doAddonDeploy(pluginYaml, NetworkPluginResourceName)
 }
 
+func (c *Cluster) doWeaveDeploy() error {
+	weaveConfig := make(map[string]string)
+	pluginYaml := network.GetWeaveManifest(weaveConfig)
+	return c.doAddonDeploy(pluginYaml, NetworkPluginResourceName)
+}
+
 func (c *Cluster) setClusterNetworkDefaults() {
 	setDefaultIfEmpty(&c.Network.Plugin, DefaultNetworkPlugin)
 

cluster/validation.go

@@ -46,7 +46,7 @@ func validateAuthOptions(c *Cluster) error {
 }
 
 func validateNetworkOptions(c *Cluster) error {
-	if c.Network.Plugin != FlannelNetworkPlugin && c.Network.Plugin != CalicoNetworkPlugin && c.Network.Plugin != CanalNetworkPlugin {
+	if c.Network.Plugin != FlannelNetworkPlugin && c.Network.Plugin != CalicoNetworkPlugin && c.Network.Plugin != CanalNetworkPlugin && c.Network.Plugin != WeaveNetworkPlugin {
 		return fmt.Errorf("Network plugin [%s] is not supported", c.Network.Plugin)
 	}
 	return nil

network/weave.go

@@ -0,0 +1,114 @@
+package network
+
+func GetWeaveManifest(weaveConfig map[string]string) string {
+	return `# This ConfigMap can be used to configure a self-hosted Weave Net installation.
+apiVersion: v1
+kind: List
+items:
+  - apiVersion: v1
+    kind: ServiceAccount
+    metadata:
+      name: weave-net
+      namespace: kube-system
+  - apiVersion: extensions/v1beta1
+    kind: DaemonSet
+    metadata:
+      name: weave-net
+      labels:
+        name: weave-net
+      namespace: kube-system
+    spec:
+      template:
+        metadata:
+          labels:
+            name: weave-net
+        spec:
+          containers:
+            - name: weave
+              command:
+                - /home/weave/launch.sh
+              env:
+                - name: HOSTNAME
+                  valueFrom:
+                    fieldRef:
+                      apiVersion: v1
+                      fieldPath: spec.nodeName
+              image: 'weaveworks/weave-kube:2.1.2'
+              livenessProbe:
+                httpGet:
+                  host: 127.0.0.1
+                  path: /status
+                  port: 6784
+                initialDelaySeconds: 30
+              resources:
+                requests:
+                  cpu: 10m
+              securityContext:
+                privileged: true
+              volumeMounts:
+                - name: weavedb
+                  mountPath: /weavedb
+                - name: cni-bin
+                  mountPath: /host/opt
+                - name: cni-bin2
+                  mountPath: /host/home
+                - name: cni-conf
+                  mountPath: /host/etc
+                - name: dbus
+                  mountPath: /host/var/lib/dbus
+                - name: lib-modules
+                  mountPath: /lib/modules
+                - name: xtables-lock
+                  mountPath: /run/xtables.lock
+            - name: weave-npc
+              args: []
+              env:
+                - name: HOSTNAME
+                  valueFrom:
+                    fieldRef:
+                      apiVersion: v1
+                      fieldPath: spec.nodeName
+              image: 'weaveworks/weave-npc:2.1.2'
+              resources:
+                requests:
+                  cpu: 10m
+              securityContext:
+                privileged: true
+              volumeMounts:
+                - name: xtables-lock
+                  mountPath: /run/xtables.lock
+          hostNetwork: true
+          hostPID: true
+          restartPolicy: Always
+          securityContext:
+            seLinuxOptions: {}
+          serviceAccountName: weave-net
+          tolerations:
+            - effect: NoSchedule
+              operator: Exists
+          volumes:
+            - name: weavedb
+              hostPath:
+                path: /var/lib/weave
+            - name: cni-bin
+              hostPath:
+                path: /opt
+            - name: cni-bin2
+              hostPath:
+                path: /home
+            - name: cni-conf
+              hostPath:
+                path: /etc
+            - name: dbus
+              hostPath:
+                path: /var/lib/dbus
+            - name: lib-modules
+              hostPath:
+                path: /lib/modules
+            - name: xtables-lock
+              hostPath:
+                path: /run/xtables.lock
+      updateStrategy:
+        type: RollingUpdate
+`
+}