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Ondra Machacek
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*retry
.tox
*.tar.gz
output/
ovirt-ansible-cluster-upgrade.spec
exported-artifacts/

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oVirt Cluster Upgrade
=========
The `ovirt-cluster-upgrade` role iterates through all the hosts in a cluster and upgrades them.
Requirements
------------
* Ansible version 2.3 or higher
* Python SDK version 4 or higher
Role Variables
--------------
| Name | Default value | |
|-------------------------|-----------------------|-----------------------------------------------------|
| cluster_name | Default | Name of the cluster to be upgraded. |
| stopped_vms | UNDEF | List of virtual machines to stop before upgrading. |
| stop_non_migratable_vms <br/> <i>alias: stop_pinned_to_host_vms</i> | false | Specify whether to stop virtual machines pinned to the host being upgraded. If true, the pinned non-migratable virtual machines will be stopped and host will be upgraded, otherwise the host will be skipped. |
| upgrade_timeout | 1200 | Timeout in seconds to wait for host to be upgraded. |
| host_statuses | [UP] | List of host statuses. If a host is in any of the specified statuses then it will be upgraded. |
| host_names | [\*] | List of host names to be upgraded. |
| check_upgrade | false | If true, run check_for_upgrade action on all hosts before executing upgrade on them. If false, run upgrade only for hosts with available upgrades and ignore all other hosts. |
Dependencies
------------
No.
Example Playbook
----------------
```yaml
---
- name: oVirt infra
hosts: localhost
connection: local
gather_facts: false
vars:
engine_url: https://ovirt-engine.example.com/ovirt-engine/api
engine_user: admin@internal
engine_password: 123456
engine_cafile: /etc/pki/ovirt-engine/ca.pem
cluster_name: production
stopped_vms:
- openshift-master-0
- openshift-node-0
- openshift-node-image
roles:
- ovirt-cluster-upgrade
```
[![asciicast](https://asciinema.org/a/122760.png)](https://asciinema.org/a/122760)
License
-------
Apache License 2.0

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distros:
- fc25
- fc26
- el7
release_branches:
master: ovirt-master
ovirt-ansible-1.0: ovirt-4.1

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Continuous Integration Scripts
==============================
This directory contains scripts for Continuous Integration provided by
[oVirt Jenkins](http://jenkins.ovirt.org/)
system and follows the standard defined in
[Build and test standards](http://www.ovirt.org/CI/Build_and_test_standards)
wiki page.

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build-artifacts.req

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#!/bin/bash -xe
# remove any previous artifacts
rm -rf output
make clean
make dist
# create the src.rpm, assuming the tarball is in the project's directory
rpmbuild \
-D "_srcrpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
-ts ./*.gz
# install any build requirements
yum-builddep output/*src.rpm
# create the rpms
rpmbuild \
-D "_rpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
--rebuild output/*.src.rpm
# Store any relevant artifacts in exported-artifacts for the ci system to
# archive
[[ -d exported-artifacts ]] || mkdir -p exported-artifacts
find output -iname \*rpm -exec mv "{}" exported-artifacts/ \;
mv ./*tar.gz exported-artifacts/

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yum-utils
make
ansible
git

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#!/bin/bash -xe
# remove any previous artifacts
rm -rf output
rm -f ./*tar.gz
# Get the tarball
./build.sh dist
# create the src.rpm
rpmbuild \
-D "_srcrpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
-ts ./*.gz
# install any build requirements
yum-builddep output/*src.rpm
# create the rpms
rpmbuild \
-D "_rpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
--rebuild output/*.src.rpm
# Store any relevant artifacts in exported-artifacts for the ci system to
# archive
[[ -d exported-artifacts ]] || mkdir -p exported-artifacts
find output -iname \*rpm -exec mv "{}" exported-artifacts/ \;
mv ./*tar.gz exported-artifacts/

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yum-utils
git
make
ansible

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#!/bin/bash -xe
# remove any previous artifacts
rm -rf output
rm -f ./*tar.gz
make dist
# create the src.rpm
rpmbuild \
-D "_srcrpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
-ts ./*.gz
# install any build requirements
yum-builddep output/*src.rpm
# create the rpms
rpmbuild \
-D "_rpmdir $PWD/output" \
-D "_topmdir $PWD/rpmbuild" \
--rebuild output/*.src.rpm
[[ -d exported-artifacts ]] || mkdir -p exported-artifacts
find output -iname \*rpm -exec mv "{}" exported-artifacts/ \;
mv *.tar.gz exported-artifacts

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#!/bin/bash
VERSION="1.0.0"
MILESTONE=master
RPM_RELEASE="0.1.$MILESTONE.$(date -u +%Y%m%d%H%M%S)"
ROLE_NAME="ovirt.cluster-upgrade"
PACKAGE_NAME="ovirt-ansible-cluster-upgrade"
PREFIX=/usr/local
DATAROOT_DIR=$PREFIX/share
ROLES_DATAROOT_DIR=$DATAROOT_DIR/ansible/roles
DOC_DIR=$DATAROOT_DIR/doc
PKG_DATA_DIR=${PKG_DATA_DIR:-$ROLES_DATAROOT_DIR/$PACKAGE_NAME}
PKG_DATA_DIR_ORIG=${PKG_DATA_DIR_ORIG:-$PKG_DATA_DIR}
PKG_DOC_DIR=${PKG_DOC_DIR:-$DOC_DIR/$PACKAGE_NAME}
ROLENAME_LEGACY="${ROLENAME_LEGACY:-$ROLES_DATAROOT_DIR/ovirt-cluster-upgrade}"
RPM_VERSION=$VERSION
PACKAGE_VERSION=$VERSION
[ -n "$MILESTONE" ] && PACKAGE_VERSION+="_$MILESTONE"
DISPLAY_VERSION=$PACKAGE$VERSION
TARBALL="$PACKAGE_NAME-$PACKAGE_VERSION.tar.gz"
dist() {
echo "Creating tar archive '$TARBALL' ... "
sed \
-e "s|@RPM_VERSION@|$RPM_VERSION|g" \
-e "s|@RPM_RELEASE@|$RPM_RELEASE|g" \
-e "s|@PACKAGE_NAME@|$PACKAGE_NAME|g" \
-e "s|@PACKAGE_VERSION@|$PACKAGE_VERSION|g" \
< ovirt-ansible-cluster-upgrade.spec.in > ovirt-ansible-cluster-upgrade.spec
git ls-files | tar --files-from /proc/self/fd/0 -czf "$TARBALL" ovirt-ansible-cluster-upgrade.spec
echo "tar archive '$TARBALL' created."
}
install() {
echo "Installing data..."
mkdir -p $PKG_DATA_DIR
mkdir -p $PKG_DOC_DIR
ln -f -s $PKG_DATA_DIR_ORIG $ROLENAME_LEGACY
cp -pR defaults/ $PKG_DATA_DIR
cp -pR library/ $PKG_DATA_DIR
cp -pR tasks/ $PKG_DATA_DIR
cp -pR examples/ $PKG_DOC_DIR
cp -p LICENSE $PKG_DOC_DIR
cp -p README.md $PKG_DOC_DIR
echo "Installation done."
}
$1

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---
# stop_pinned_to_host_vms is alias for stop_non_migratable_vms
stop_non_migratable_vms: "{{ stop_pinned_to_host_vms | default(false) }}"
upgrade_timeout: 1200
cluster_name: Default
check_upgrade: false
host_statuses:
- up
host_names:
- '*'

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---
- name: oVirt cluster upgrade
hosts: localhost
connection: local
gather_facts: false
vars_files:
# Contains encrypted `engine_password` varibale using ansible-vault
- passwords.yml
vars:
engine_url: https://ovirt.example.com/ovirt-engine/api
engine_user: admin@internal
cluster_name: mycluster
stop_non_migratable_vms: true
host_statuses:
- up
host_names:
- myhost1
- myhost2
roles:
- ovirt.cluster-upgrade

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---
# As an example this file is keep in plaintext, if you want to
# encrypt this file, please execute following command:
#
# $ ansible-vault encrypt passwords.yml
#
# It will ask you for a password, which you must then pass to
# ansible interactively when executing the playbook.
#
# $ ansible-playbook myplaybook.yml --ask-vault-pass
#
engine_password: 123456

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New modules
===========
Here is the list of newly added modules by this role:
1. ovirt_api_facts.py
- Contains a new module to retrieve facts from oVirt api: [PR](https://github.com/ansible/ansible/pull/28875).
The module will be available in Ansible 2.5.

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2017 Red Hat, Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
ANSIBLE_METADATA = {'metadata_version': '1.0',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: ovirt_api_facts
short_description: Retrieve facts about the oVirt/RHV API
author: "Ondra Machacek (@machacekondra)"
version_added: "2.4"
description:
- "Retrieve facts about the oVirt/RHV API."
notes:
- "This module creates a new top-level C(ovirt_api) fact,
which contains a information about oVirt/RHV API."
extends_documentation_fragment: ovirt_facts
'''
EXAMPLES = '''
# Examples don't contain auth parameter for simplicity,
# look at ovirt_auth module to see how to reuse authentication:
# Gather facts oVirt API:
- ovirt_api_facts:
- debug:
var: ovirt_api
'''
RETURN = '''
ovirt_api:
description: "Dictionary describing the oVirt API information.
Api attributes are mapped to dictionary keys,
all API attributes can be found at following
url: https://ovirt.example.com/ovirt-engine/api/model#types/api."
returned: On success.
type: dictionary
'''
import fnmatch
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ovirt import (
check_sdk,
create_connection,
get_dict_of_struct,
ovirt_facts_full_argument_spec,
)
def main():
argument_spec = ovirt_facts_full_argument_spec()
module = AnsibleModule(argument_spec)
check_sdk(module)
try:
auth = module.params.pop('auth')
connection = create_connection(auth)
api = connection.system_service().get()
module.exit_json(
changed=False,
ansible_facts=dict(
ovirt_api=get_dict_of_struct(
struct=api,
connection=connection,
fetch_nested=module.params.get('fetch_nested'),
attributes=module.params.get('nested_attributes'),
)
),
)
except Exception as e:
module.fail_json(msg=str(e), exception=traceback.format_exc())
finally:
connection.close(logout=auth.get('token') is None)
if __name__ == '__main__':
main()

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galaxy_info:
author: Ondra Machacek
description: Role to upgrade all host in oVirt/RHV cluster.
company: Red Hat, Inc.
license: Apache License 2.0
min_ansible_version: 2.2
platforms:
- name: EL
versions:
- 7
- name: Fedora
versions:
- 24
- 25
galaxy_tags: [ovirt, rhv, rhev, virtualization]
dependencies: []

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%global rolename cluster-upgrade
%global roleprefix ovirt.
%global roleprefix_legacy ovirt-
%global ansible_roles_dir ansible/roles
Name: @PACKAGE_NAME@
Summary: Ansible role to upgrade cluster of hosts in oVirt
Version: @RPM_VERSION@
Release: @RPM_RELEASE@%{?release_suffix}%{?dist}
Source0: http://resources.ovirt.org/pub/src/@PACKAGE_NAME@/@PACKAGE_NAME@-@PACKAGE_VERSION@.tar.gz
License: ASL 2.0
Group: Virtualization/Management
BuildArch: noarch
Url: http://www.ovirt.org
Requires: ansible >= 2.4
%description
This Ansible role provide funtionality to upgrade cluster of hosts in oVirt engine,
using oVirt engine API.
%prep
%setup -c -q
%build
%install
export PKG_DATA_DIR_ORIG=%{_datadir}/%{ansible_roles_dir}/%{roleprefix}%{rolename}
export PKG_DATA_DIR=%{buildroot}$PKG_DATA_DIR_ORIG
export PKG_DOC_DIR=%{buildroot}%{_pkgdocdir}
export ROLENAME_LEGACY=%{buildroot}%{_datadir}/%{ansible_roles_dir}/%{roleprefix_legacy}%{rolename}
sh build.sh install
%files
%{_datadir}/%{ansible_roles_dir}/%{roleprefix}%{rolename}
%{_datadir}/%{ansible_roles_dir}/%{roleprefix_legacy}%{rolename}
%doc %{_pkgdocdir}/README.md
%doc %{_pkgdocdir}/examples/*yml
%license %{_pkgdocdir}/LICENSE
%changelog
* Thu Nov 16 2017 Ondra Machacek <omachace@redhat.com> - 1.0.0-0
- Initial release

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ansible
yamllint
jmespath

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---
## https://github.com/ansible/ansible/issues/22397
## Ansible 2.3 generates a WARNING when using {{ }} in defaults variables of role
## this workarounds it until Ansible resolves the issue:
- set_fact:
stop_non_migratable_vms: "{{ stop_non_migratable_vms }}"
- block:
- name: Login to oVirt
ovirt_auth:
url: "{{ engine_url }}"
username: "{{ engine_user }}"
password: "{{ engine_password }}"
ca_file: "{{ engine_cafile | default(omit) }}"
insecure: "{{ engine_insecure | default(true) }}"
when: ovirt_auth is undefined
register: loggedin
tags:
- always
- name: Get hosts
ovirt_hosts_facts:
auth: "{{ ovirt_auth }}"
pattern: "cluster={{ cluster_name | mandatory }} {{ check_upgrade | ternary('', 'update_available=true') }} {{ host_names | map('regex_replace', '(.*)', 'name=\\1') | list | join(' or ') }} {{ host_statuses | map('regex_replace', '(.*)', 'status=\\1') | list | join(' or ') }}"
check_mode: no
- name: Check if there are hosts to be updated
debug:
msg: "No hosts to be updated"
when: ovirt_hosts | length == 0
- block:
- name: Init failed_host_names and succeed_host_names list
set_fact:
failed_host_names: []
succeed_host_names: []
- name: Get cluster facts
ovirt_clusters_facts:
auth: "{{ ovirt_auth }}"
pattern: "name={{ cluster_name }}"
check_mode: no
- name: Get name of the original scheduling policy
ovirt_scheduling_policies_facts:
auth: "{{ ovirt_auth }}"
id: "{{ ovirt_clusters[0].scheduling_policy.id }}"
check_mode: no
- name: Remember the cluster scheduling policy
set_fact:
cluster_scheduling_policy: "{{ ovirt_scheduling_policies[0].name }}"
- name: Get list of VMs in cluster
ovirt_vms_facts:
auth: "{{ ovirt_auth }}"
pattern: "cluster={{ cluster_name }}"
check_mode: no
- name: Get API facts
# TODO: Change when Ansible 2.5 is released:
# ovirt_api_facts:
ovirt_api_facts_internal_25:
auth: "{{ ovirt_auth }}"
check_mode: no
- name: Set in cluster upgrade policy
ovirt_clusters:
auth: "{{ ovirt_auth }}"
name: "{{ cluster_name }}"
scheduling_policy: cluster_maintenance
register: cluster_policy
when:
- (ovirt_api.product_info.version.major >= 4 and ovirt_api.product_info.version.major >= 2) or
(ovirt_api.product_info.version.major == 4 and ovirt_api.product_info.version.major == 1 and ovirt_api.product_info.version.revision >= 4)
- name: Shutdown VMs which can be stopped
ovirt_vms:
auth: "{{ ovirt_auth }}"
state: stopped
name: "{{ item }}"
force: true
with_items:
- "{{ stopped_vms | default([]) }}"
- include: pinned_vms.yml
# Update only those hosts that aren't in list of hosts were VMs are pinned
# or if stop_non_migratable_vms is enabled, which means we stop pinned VMs
- include: upgrade.yml
with_items:
- "{{ ovirt_hosts }}"
when: "item.id not in host_ids or stop_non_migratable_vms"
when: ovirt_hosts | length > 0
always:
- name: Set original cluster policy
ovirt_clusters:
auth: "{{ ovirt_auth }}"
name: "{{ cluster_name }}"
scheduling_policy: "{{ cluster_scheduling_policy }}"
when: cluster_policy.changed | default(false)
- name: Start again stopped VMs
ovirt_vms:
auth: "{{ ovirt_auth }}"
name: "{{ item }}"
ignore_errors: yes
with_items:
- "{{ stopped_vms | default([]) }}"
- name: Start again pin to host VMs
ovirt_vms:
auth: "{{ ovirt_auth }}"
name: "{{ item }}"
ignore_errors: yes
with_items:
- "{{ pinned_vms_names | default([]) }}"
when: "stop_non_migratable_vms"
- name: Print info about host which was updated
debug:
msg: "Following hosts was successfully updated: {{ succeed_host_names }}"
- name: Fail the playbook, if some hosts wasn't updated
fail:
msg: "The cluster upgrade failed. Hosts {{ failed_host_names }} wasn't updated."
when: "failed_host_names | length > 0"
always:
- name: Logout from oVirt
ovirt_auth:
state: absent
ovirt_auth: "{{ ovirt_auth }}"
when: not loggedin.skipped | default(false)
tags:
- always

38
tasks/pinned_vms.yml Normal file
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@@ -0,0 +1,38 @@
- name: Create list of host IDs which has running non-migratable VM and are not down
set_fact:
host_ids_items: "{{ item.host.id }}"
with_items:
- "{{ ovirt_vms | default([]) }}"
when:
- "item['placement_policy']['affinity'] != 'migratable'"
- "item.host is defined"
loop_control:
label: "{{ item.name }}"
register: host_ids_result
- name: Create list of host IDs which has pinned VM
set_fact:
host_ids: "{{ host_ids_result.results | rejectattr('ansible_facts', 'undefined') | map(attribute='ansible_facts.host_ids_items') | list }}"
- block:
- name: Shutdown non-migratable VMs
ovirt_vms:
auth: "{{ ovirt_auth }}"
state: stopped
force: true
name: "{{ item.name }}"
with_items:
- "{{ ovirt_vms }}"
when:
- "item['placement_policy']['affinity'] != 'migratable'"
- "item.host is defined"
- "item.host.id in ovirt_hosts | map(attribute='id')" # Ensure we stop only pinned VMs which run on hosts to be upgraded.
loop_control:
label: "{{ item.name }}"
register: pinned_to_host_vms
- name: Create list of VM names which was shutted down
set_fact:
pinned_vms_names: "{{ pinned_to_host_vms.results | selectattr('changed') | map(attribute='item.name') | list }}"
when: stop_non_migratable_vms

26
tasks/upgrade.yml Normal file
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---
- block:
- name: Upgrade host
ovirt_hosts:
auth: "{{ ovirt_auth }}"
name: "{{ item.name }}"
state: upgraded
check_upgrade: "{{ check_upgrade }}"
timeout: "{{ upgrade_timeout }}"
register: host_upgraded
- name: Append host name to list of upgraded hosts
set_fact:
succeed_host_names: "{{ succeed_host_names }} + [ '{{ item.name }}' ]"
when: host_upgraded.changed
rescue:
- name: Report issues
fail:
msg: "Upgrade of host '{{ item.name }}' failed :( ."
ignore_errors: true
- name: Append host name to list of failed hosts
set_fact:
failed_host_names: "{{ failed_host_names }} + [ '{{ item.name }}' ]"

11
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[tox]
skipsdist=True
envlist =
py27-{yamllint,ansible_syntax,generate_validation}
skip_missing_interpreters=True
[testenv]
skip_install=True
commands =
yamllint: yamllint examples/

35
version.mak Normal file
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# Version Information
VERSION_MAJOR=1
VERSION_MINOR=0
VERSION_PATCH_LEVEL=0
VERSION=$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH_LEVEL)
# Milestone is manually specified,
# example for ordering:
# - master
# - alpha
# - master
# - beta
# - master
# - beta2
# - master
# - rc
# - master
# - rc2
# - master
# - <none>
#
MILESTONE=
# RPM release is manually specified,
# For pre-release:
# RPM_RELEASE=0.N.$(MILESTONE).$(shell date -u +%Y%m%d%H%M%S)
# While N is incremented when milestone is changed.
#
# For release:
# RPM_RELEASE=N
# while N is incremented each re-release
# Use only for spec file changes
#
RPM_RELEASE=1