Add weave loopback binary

cluster/network.go

@@ -80,6 +80,7 @@ const (
 	NodeImage          = "NodeImage"
 	ControllersImage   = "ControllersImage"
 	CanalFlannelImg    = "CanalFlannelImg"
+	WeaveLoopbackImage = "WeaveLoopbackImage"
 
 	Calicoctl = "Calicoctl"
 
@@ -177,6 +178,7 @@ func (c *Cluster) doWeaveDeploy(ctx context.Context) error {
 		ClusterCIDR:        c.ClusterCIDR,
 		Image:              c.SystemImages.WeaveNode,
 		CNIImage:           c.SystemImages.WeaveCNI,
+		WeaveLoopbackImage: c.SystemImages.Alpine,
 		RBACConfig:         c.Authorization.Mode,
 	}
 	pluginYaml, err := c.getNetworkPluginManifest(weaveConfig)

templates/weave.go

@@ -80,6 +80,15 @@ items:
               volumeMounts:
                 - name: xtables-lock
                   mountPath: /run/xtables.lock
+            - name: weave-loopback
+              command:
+                - /opt/rke/weave-loopback-cni.sh
+              image: {{.WeaveLoopbackImage}}
+              securityContext:
+                privileged: true
+              volumeMounts:
+                - name: cni-bin
+                  mountPath: /opt
           hostNetwork: true
           hostPID: true
           restartPolicy: Always