Upgrade to kubeadm (#1667)

* Enable upgrade to kubeadm

* fix kubedns upgrade

* try upgrade route

* use init/upgrade strategy for kubeadm and ignore kubedns svc

* Use bin_dir for kubeadm

* delete more secrets

* fix waiting for terminating pods

* Manually enforce kube-proxy for kubeadm deploy

* remove proxy. update to kubeadm 1.8.0rc1

roles/kubernetes/node/tasks/install.yml

@@ -19,12 +19,20 @@
   when: kubeadm_enabled
   tags: kubeadm
 
-- name: install | Copy binary from download dir
+- name: install | Copy kubeadm binary from download dir
   command: rsync -piu "{{ local_release_dir }}/kubeadm" "{{ bin_dir }}/kubeadm"
   changed_when: false
   when: kubeadm_enabled
   tags: kubeadm
 
+- name: install | Set kubeadm binary permissions
+  file:
+    path: "{{ bin_dir }}/kubeadm"
+    mode: "0755"
+    state: file
+  when: kubeadm_enabled
+  tags: kubeadm
+
 - include: "install_{{ kubelet_deployment_type }}.yml"
 
 - name: install | Write kubelet systemd init file

roles/kubernetes/node/tasks/main.yml

@@ -96,6 +96,13 @@
   when: not kubeadm_enabled
   tags: kube-proxy
 
+- name: Purge proxy manifest for kubeadm
+  file:
+    path: "{{ kube_manifest_dir }}/kube-proxy.manifest"
+    state: absent
+  when: kubeadm_enabled
+  tags: kube-proxy
+
 # reload-systemd
 - meta: flush_handlers