From a5f4561d8cdfd974705105275f718cee9bb249ad Mon Sep 17 00:00:00 2001
From: Scott Dodson <sdodson@redhat.com>
Date: Mon, 31 Oct 2016 10:30:18 -0400
Subject: Add etcd upgrade for RHEL and Fedora

On Fedora we just blindly upgrade to the latest.
On RHEL we do stepwise upgrades 2.0,2.1,2.2,2.3,3.0
---
 .../openshift-cluster/upgrades/etcd/main.yml       | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 playbooks/common/openshift-cluster/upgrades/etcd/main.yml

(limited to 'playbooks/common/openshift-cluster/upgrades/etcd/main.yml')

diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/main.yml b/playbooks/common/openshift-cluster/upgrades/etcd/main.yml
new file mode 100644
index 000000000..e1c092dbe
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/main.yml
@@ -0,0 +1,88 @@
+---
+# For 1.4/3.4 we want to upgrade everyone to etcd-3.0. etcd docs say to
+# upgrade from 2.0.x to 2.1.x to 2.2.x to 2.3.x to 3.0.x. While this is a tedius
+# task for RHEL and CENTOS it's simply not possible in Fedora unless you've
+# mirrored packages on your own because only the GA and latest versions are
+# available in the repos. So for Fedora we'll simply skip this, sorry.
+
+- include: ../../evaluate_groups.yml
+  tags:
+  - always
+
+- name: Evaluate additional groups for upgrade
+  hosts: localhost
+  connection: local
+  become: no
+  tasks:
+  - name: Evaluate etcd_hosts_to_upgrade
+    add_host:
+      name: "{{ item }}"
+      groups: etcd_hosts_to_upgrade, etcd_hosts_to_backup
+    with_items: "{{ groups.oo_etcd_to_config if groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config | length > 0 else groups.oo_first_master }}"
+
+- name: Backup etcd before upgrading anything
+  include: backup.yml
+  vars:
+    backup_tag: "pre-upgrade-"
+
+- name: Drop etcdctl profiles
+  hosts: etcd_hosts_to_upgrade
+  tasks:
+  - include: roles/etcd/tasks/etcdctl.yml
+
+- name: Determine etcd version
+  hosts: etcd_hosts_to_upgrade
+  tasks:
+  - name: Record etcd version
+    command: rpm -q --qf '%{version}' etcd
+    register: etcd_installed_version
+
+# I really dislike this copy/pasta but I wasn't able to find a way to get it to loop
+# through hosts, then loop through tasks only when appropriate
+- name: Upgrade to 2.1
+  hosts: etcd_hosts_to_upgrade
+  serial: 1
+  vars:
+    upgrade_version: '2.1'
+  tasks:
+  - include: rhel_tasks.yml
+    when: etcd_installed_version.stdout | version_compare('2.1','<') and ansible_distribution == 'RedHat'
+
+- name: Upgrade to 2.2
+  hosts: etcd_hosts_to_upgrade
+  serial: 1
+  vars:
+    upgrade_version: '2.2'
+  tasks:
+  - include: rhel_tasks.yml
+    when: etcd_installed_version.stdout | version_compare('2.2','<') and ansible_distribution == 'RedHat'
+
+- name: Upgrade to 2.3
+  hosts: etcd_hosts_to_upgrade
+  serial: 1
+  vars:
+    upgrade_version: '2.3'
+  tasks:
+  - include: rhel_tasks.yml
+    when: etcd_installed_version.stdout | version_compare('2.3','<') and ansible_distribution == 'RedHat'
+
+- name: Upgrade to 3.0
+  hosts: etcd_hosts_to_upgrade
+  serial: 1
+  vars:
+    upgrade_version: '3.0'
+  tasks:
+  - include: rhel_tasks.yml
+    when: etcd_installed_version.stdout | version_compare('3.0','<') and ansible_distribution == 'RedHat'
+
+- name: Upgrade fedora to latest
+  hosts: etcd_hosts_to_upgrade
+  serial: 1
+  tasks:
+  - include: fedora_tasks.yml
+    when: ansible_distribution == 'Fedora'
+
+- name: Backup etcd
+  include: backup.yml
+  vars:
+    backup_tag: "post-3.0-"
-- 
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