From e38258381fd0d111cd339ce3e334920d5898dbe9 Mon Sep 17 00:00:00 2001
From: Matthew Mosesohn <mmosesohn@mirantis.com>
Date: Mon, 1 Aug 2016 16:12:23 +0300
Subject: [PATCH] Wait for static pods when setting up

Fixes #390
---
 roles/kubernetes/master/handlers/main.yml | 37 +++++++++++++++++++++--
 roles/kubernetes/master/tasks/main.yml    |  9 ++----
 2 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/roles/kubernetes/master/handlers/main.yml b/roles/kubernetes/master/handlers/main.yml
index a4082887b..87e3adc69 100644
--- a/roles/kubernetes/master/handlers/main.yml
+++ b/roles/kubernetes/master/handlers/main.yml
@@ -1,4 +1,35 @@
 ---
-- name: restart kube-apiserver
-  set_fact:
-    restart_apimaster: True
+- name: Master | restart kubelet
+  command: /bin/true
+  notify:
+    - Kubelet | reload systemd
+    - Kubelet | reload kubelet
+
+- name: wait for master static pods
+  command: /bin/true
+  notify:
+    - wait for kube-scheduler
+    - wait for kube-controller-manager
+
+- name: Master | reload systemd
+  command: systemctl daemon-reload
+  when: ansible_service_mgr == "systemd"
+
+- name: Master | reload kubelet
+  service:
+    name: kubelet
+    state: restarted
+
+- name: wait for kube-scheduler
+  uri: url=http://localhost:10251/healthz
+  register: scheduler_result
+  until: scheduler_result.status == 200
+  retries: 15
+  delay: 5
+
+- name: wait for kube-controller-manager
+  uri: url=http://localhost:10252/healthz
+  register: controller_manager_result
+  until: controller_manager_result.status == 200
+  retries: 15
+  delay: 5
diff --git a/roles/kubernetes/master/tasks/main.yml b/roles/kubernetes/master/tasks/main.yml
index fe984ce17..9140ef36c 100644
--- a/roles/kubernetes/master/tasks/main.yml
+++ b/roles/kubernetes/master/tasks/main.yml
@@ -19,12 +19,7 @@
     src: manifests/kube-apiserver.manifest.j2
     dest: "{{ kube_manifest_dir }}/kube-apiserver.manifest"
   register: apiserver_manifest
-
-- name: restart kubelet
-  service:
-    name: kubelet
-    state: restarted
-  when: apiserver_manifest.changed
+  notify: Master | restart kubelet
 
 - name: wait for the apiserver to be running
   uri: url=http://localhost:8080/healthz
@@ -58,8 +53,10 @@
   template:
     src: manifests/kube-controller-manager.manifest.j2
     dest: "{{ kube_manifest_dir }}/kube-controller-manager.manifest"
+  notify: wait for kube-controller-manager
 
 - name: Write kube-scheduler manifest
   template:
     src: manifests/kube-scheduler.manifest.j2
     dest: "{{ kube_manifest_dir }}/kube-scheduler.manifest"
+  notify: wait for kube-scheduler