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authorScott Dodson <sdodson@redhat.com>2016-10-31 10:30:18 -0400
committerScott Dodson <sdodson@redhat.com>2016-11-14 08:50:43 -0500
commita5f4561d8cdfd974705105275f718cee9bb249ad (patch)
tree99a577131a9309c482feb10502cbcec4515bb81f /playbooks/common
parent00d007565aff754cb282631f89de93c1c9cc0a46 (diff)
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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
Diffstat (limited to 'playbooks/common')
-rw-r--r--playbooks/common/openshift-cluster/upgrades/etcd/backup.yml (renamed from playbooks/common/openshift-cluster/upgrades/etcd_backup.yml)0
-rw-r--r--playbooks/common/openshift-cluster/upgrades/etcd/fedora_tasks.yml23
l---------playbooks/common/openshift-cluster/upgrades/etcd/filter_plugins1
l---------playbooks/common/openshift-cluster/upgrades/etcd/lookup_plugins1
-rw-r--r--playbooks/common/openshift-cluster/upgrades/etcd/main.yml88
-rw-r--r--playbooks/common/openshift-cluster/upgrades/etcd/rhel_tasks.yml23
l---------playbooks/common/openshift-cluster/upgrades/etcd/roles1
-rw-r--r--playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml2
8 files changed, 138 insertions, 1 deletions
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd_backup.yml b/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml
index 57b156b1c..57b156b1c 100644
--- a/playbooks/common/openshift-cluster/upgrades/etcd_backup.yml
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/fedora_tasks.yml b/playbooks/common/openshift-cluster/upgrades/etcd/fedora_tasks.yml
new file mode 100644
index 000000000..30232110e
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/fedora_tasks.yml
@@ -0,0 +1,23 @@
+---
+# F23 GA'd with etcd 2.0, currently has 2.2 in updates
+# F24 GA'd with etcd-2.2, currently has 2.2 in updates
+# F25 Beta currently has etcd 3.0
+- name: Verify cluster is healthy pre-upgrade
+ command: "etcdctl --cert-file /etc/etcd/peer.crt --key-file /etc/etcd/peer.key --ca-file /etc/etcd/ca.crt -C https://{{ openshift.common.hostname }}:2379 cluster-health"
+
+- name: Update etcd
+ package:
+ name: "etcd"
+ state: "latest"
+
+- name: Restart etcd
+ service:
+ name: etcd
+ state: restarted
+
+- name: Verify cluster is healthy
+ command: "etcdctl --cert-file /etc/etcd/peer.crt --key-file /etc/etcd/peer.key --ca-file /etc/etcd/ca.crt -C https://{{ openshift.common.hostname }}:2379 cluster-health"
+ register: etcdctl
+ until: etcdctl.rc == 0
+ retries: 3
+ delay: 10
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/filter_plugins b/playbooks/common/openshift-cluster/upgrades/etcd/filter_plugins
new file mode 120000
index 000000000..27ddaa18b
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/filter_plugins
@@ -0,0 +1 @@
+../../../../../filter_plugins \ No newline at end of file
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/lookup_plugins b/playbooks/common/openshift-cluster/upgrades/etcd/lookup_plugins
new file mode 120000
index 000000000..cf407f69b
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/lookup_plugins
@@ -0,0 +1 @@
+../../../../../lookup_plugins \ No newline at end of file
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-"
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/rhel_tasks.yml b/playbooks/common/openshift-cluster/upgrades/etcd/rhel_tasks.yml
new file mode 100644
index 000000000..8e7dc9d9b
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/rhel_tasks.yml
@@ -0,0 +1,23 @@
+---
+- name: Verify cluster is healthy pre-upgrade
+ command: "etcdctl --cert-file /etc/etcd/peer.crt --key-file /etc/etcd/peer.key --ca-file /etc/etcd/ca.crt -C https://{{ openshift.common.hostname }}:2379 cluster-health"
+
+- name: Update etcd package but exclude etcd3
+ command: "{{ ansible_pkg_mgr }} install -y etcd-{{ upgrade_version }}\\* --exclude etcd3"
+ when: upgrade_version | version_compare('3.0','<')
+
+- name: Update etcd package not excluding etcd3
+ command: "{{ ansible_pkg_mgr }} install -y etcd3-{{ upgrade_version }}\\*"
+ when: not upgrade_version | version_compare('3.0','<')
+
+- name: Restart etcd
+ service:
+ name: etcd
+ state: restarted
+
+- name: Verify cluster is healthy
+ command: "etcdctl --cert-file /etc/etcd/peer.crt --key-file /etc/etcd/peer.key --ca-file /etc/etcd/ca.crt -C https://{{ openshift.common.hostname }}:2379 cluster-health"
+ register: etcdctl
+ until: etcdctl.rc == 0
+ retries: 3
+ delay: 10
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/roles b/playbooks/common/openshift-cluster/upgrades/etcd/roles
new file mode 120000
index 000000000..6bc1a7aef
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/etcd/roles
@@ -0,0 +1 @@
+../../../../../roles \ No newline at end of file
diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml
index e1342f76b..339af3d0a 100644
--- a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml
+++ b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml
@@ -27,7 +27,7 @@
embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
- name: Backup etcd
- include: etcd_backup.yml
+ include: ./etcd/backup.yml
- name: Upgrade master packages
hosts: oo_masters_to_config