From 017a813621695ff891e472fbb123ee9571be2c80 Mon Sep 17 00:00:00 2001
From: Spencer Smith <robertspencersmith@gmail.com>
Date: Fri, 9 Dec 2016 10:44:52 -0800
Subject: [PATCH] first cut of an upgrade process
---
roles/upgrade/post-upgrade/tasks/main.yml | 5 ++++
roles/upgrade/pre-upgrade/tasks/main.yml | 12 +++++++++
upgrade-cluster.yml | 33 +++++++++++++++++++++++
3 files changed, 50 insertions(+)
create mode 100644 roles/upgrade/post-upgrade/tasks/main.yml
create mode 100644 roles/upgrade/pre-upgrade/tasks/main.yml
create mode 100644 upgrade-cluster.yml
diff --git a/roles/upgrade/post-upgrade/tasks/main.yml b/roles/upgrade/post-upgrade/tasks/main.yml
new file mode 100644
index 000000000..b576b0947
--- /dev/null
+++ b/roles/upgrade/post-upgrade/tasks/main.yml
@@ -0,0 +1,5 @@
+---
+
+- name: Uncordon node
+ command: kubectl uncordon {{ ansible_hostname }}
+ delegate_to: "{{ groups['kube-master'][0] }}"
diff --git a/roles/upgrade/pre-upgrade/tasks/main.yml b/roles/upgrade/pre-upgrade/tasks/main.yml
new file mode 100644
index 000000000..25f665a86
--- /dev/null
+++ b/roles/upgrade/pre-upgrade/tasks/main.yml
@@ -0,0 +1,12 @@
+---
+
+- name: Cordon node
+ command: kubectl cordon {{ ansible_hostname }}
+ delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Drain node
+ command: kubectl drain --force --ignore-daemonsets --delete-local-data {{ ansible_hostname }}
+ delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Sleep for grace period for draining
+ pause: seconds=30
\ No newline at end of file
diff --git a/upgrade-cluster.yml b/upgrade-cluster.yml
new file mode 100644
index 000000000..d7089fc49
--- /dev/null
+++ b/upgrade-cluster.yml
@@ -0,0 +1,33 @@
+---
+- hosts: all
+ any_errors_fatal: true
+ gather_facts: true
+
+- hosts: all:!network-storage
+ any_errors_fatal: true
+ roles:
+ - { role: kubernetes/preinstall, tags: preinstall }
+
+- hosts: etcd:!k8s-cluster
+ any_errors_fatal: true
+ serial: 1
+ roles:
+ - { role: etcd, tags: etcd }
+
+- hosts: kube-node
+ any_errors_fatal: true
+ serial: 1
+ roles:
+ - { role: etcd, tags: etcd }
+ - { role: upgrade/pre-upgrade, tags: upgrade/pre-upgrade }
+ - { role: kubernetes/node, tags: node }
+ - { role: network_plugin, tags: network }
+ - { role: upgrade/post-upgrade, tags: upgrade/post-upgrade }
+
+- hosts: kube-master
+ any_errors_fatal: true
+ serial: 1
+ roles:
+ - { role: etcd, tags: etcd }
+ - { role: kubernetes/node, tags: node }
+ - { role: kubernetes/master, tags: master }
\ No newline at end of file
--
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