update k8s version to 1.11.0

inventory/group_vars/k8s-cluster.yml

@@ -19,7 +19,7 @@ kube_users_dir: "{{ kube_config_dir }}/users"
 kube_api_anonymous_auth: true
 
 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.10.0
+kube_version: v1.11.0
 
 # Where the binaries will be downloaded.
 # Note: ensure that you've enough disk space (about 1G)
@@ -253,4 +253,4 @@ calico_node_ignorelooserpf: false
 kubelet_disable_shared_pid: false
 
 # etcd memory Limits
-etcd_memory_limit: 8192M
+etcd_memory_limit: 8192M