Upgrade to Kubernetes v1.9.1 (#2152)

Raise drain timeout to 5m

README.md

@@ -54,7 +54,7 @@ Versions of supported components
 --------------------------------
 
 
-[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.9.0 <br>
+[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.9.1 <br>
 [etcd](https://github.com/coreos/etcd/releases) v3.2.4 <br>
 [flanneld](https://github.com/coreos/flannel/releases) v0.8.0 <br>
 [calico](https://docs.projectcalico.org/v2.5/releases/) v2.5.0 <br>

inventory/group_vars/k8s-cluster.yml

@@ -23,7 +23,7 @@ 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: v1.9.0
+kube_version: v1.9.1
 
 # Where the binaries will be downloaded.
 # Note: ensure that you've enough disk space (about 1G)

roles/download/defaults/main.yml

@@ -24,7 +24,7 @@ download_always_pull: False
 download_delegate: "{% if download_localhost %}localhost{% else %}{{groups['kube-master'][0]}}{% endif %}"
 
 # Versions
-kube_version: v1.9.0
+kube_version: v1.9.1
 kubeadm_version: "{{ kube_version }}"
 etcd_version: v3.2.4
 # TODO(mattymo): Move calico versions to roles/network_plugins/calico/defaults
@@ -49,7 +49,7 @@ vault_download_url: "https://releases.hashicorp.com/vault/{{ vault_version }}/va
 
 # Checksums
 istioctl_checksum: fd703063c540b8c0ab943f478c05ab257d88ae27224c746a27d0526ddbf7c370
-kubeadm_checksum: 069e386f620e7274e114226ab7532c2320be7f65328c1e55b23a69b73122b828
+kubeadm_checksum: 312aeca9f56605e5d117ef901a2d8bceb701cca9662017ceb362c0d1aa91e13a
 vault_binary_checksum: 3c4d70ba71619a43229e65c67830e30e050eab7a81ac6b28325ff707e5914188
 
 # Containers

roles/kubespray-defaults/defaults/main.yaml

@@ -13,7 +13,7 @@ kube_api_anonymous_auth: false
 is_atomic: false
 
 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.9.0
+kube_version: v1.9.1
 
 # Set to true to allow pre-checks to fail and continue deployment
 ignore_assert_errors: false

roles/upgrade/pre-upgrade/defaults/main.yml

@@ -1,3 +1,3 @@
 ---
-drain_grace_period: 90
-drain_timeout: 120s
+drain_grace_period: 300
+drain_timeout: 360s