Ansible: fast update of binaries

If you are using locally build binaries as a developer you likely will
want to just push those binaries to an existing cluster, not rerun the
entire playbook.  Add a tag to do just that.

contrib/ansible/roles/master/tasks/localBuildInstall.yml

@@ -9,6 +9,7 @@
     - kube-scheduler
     - kube-controller-manager
     - kubectl
+  notify: restart daemons
 
 - name: Copy master service files
   copy:

contrib/ansible/roles/master/tasks/main.yml

@@ -1,9 +1,13 @@
 ---
 - include: packageManagerInstall.yml
   when: source_type == "packageManager"
+  tags:
+    - binary-update
 
 - include: localBuildInstall.yml
   when: source_type == "localBuild"
+  tags:
+    - binary-update
 
 - name: write the config file for the api server
   template: src=apiserver.j2 dest={{ kube_config_dir }}/apiserver

contrib/ansible/roles/node/tasks/localBuildInstall.yml

@@ -8,6 +8,8 @@
     - kubelet
     - kube-proxy
     - kubectl
+  notify:
+    - restart daemons
 
 - name: Copy node service files
   copy:

contrib/ansible/roles/node/tasks/main.yml

@@ -10,9 +10,13 @@
 
 - include: packageManagerInstall.yml
   when: source_type == "packageManager"
+  tags:
+    - binary-update
 
 - include: localBuildInstall.yml
   when: source_type == "localBuild"
+  tags:
+    - binary-update
 
 - name: Make sure manifest directory exists
   file: path={{ kube_manifest_dir }} state=directory