TripleO Ansible project repository. Contains playbooks for use with TripleO OpenStack deployments.
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---
# Copyright 2019 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
- name: TripleO Undercloud backup workflows
connection: "{{ (tripleo_target_host is defined) | ternary('ssh', 'local') }}"
hosts: "{{ tripleo_target_host | default('localhost') }}"
remote_user: "{{ tripleo_target_user | default(lookup('env', 'USER')) }}"
gather_facts: "{{ (tripleo_target_host is defined) | ternary(true, false) }}"
any_errors_fatal: true
vars:
sources_path: "{{ lookup('env', 'HOME') }}"
handlers:
# Perform some cleanup
- name: cleanup the backup
become: true
file:
path: "{{ item }}"
state: absent
with_items:
- "{{ bkp_path }}"
- "{{ tmpdir.path }}/"
pre_tasks:
- name: Set local connection user facts
set_fact:
ansible_home: "{{ lookup('env', 'HOME') }}"
ansible_user: "{{ lookup('env', 'USER') }}"
run_once: true
when:
- (tripleo_target_host is defined) | ternary('ssh', 'local') == 'local'
# Action to know if there is enough available space
# to run the Undercloud backup
- name: Get free space
shell: |
set -o pipefail
if [[ $(df -T /var/tmp | tail -n 1 | awk '{print $2}') == "btrfs" ]]; then
btrfs fi usage --gbytes / | awk '/^.*Free / {print $3}'| sed 's/\..*//'
else
df -BG /var/tmp | awk '!/^Filesystem/ {print $4}' | sed 's/G//'
fi
register: var_space_available
- name: Fail if any of the volumes are too small
fail:
msg: >
Minimum free space required for /var/tmp: 10G
- current free space: {{ var_space_available.stdout|int |round(1) }}G
when:
- (var_space_available.stdout | int) < 10
tasks:
- name: Create a timestamp variable
set_fact:
timestamp: "{{ lookup('pipe','date +%Y%m%d%H%M%S') }}"
- name: Create staging directory
tempfile:
state: directory
prefix: "undercloud-backup-"
path: "/var/tmp"
register: tmpdir
notify:
- cleanup the backup
- name: Mysql root password block
block:
- name: Read tripleo password file
slurp:
src: "{{ ansible_home }}/tripleo-undercloud-passwords.yaml"
register: tripleo_undercloud_passwords
no_log: true
- name: Set mysql root password
set_fact:
MysqlRootPassword: "{{ (tripleo_undercloud_passwords['content'] | b64decode | from_yaml)['parameter_defaults']['MysqlRootPassword'] }}"
no_log: "{{ not ((ansible_verbosity | int) >= 2) | bool }}"
rescue:
- name: Set mysql root password (fallback)
set_fact:
MysqlRootPassword: "{{ lookup('ini', 'undercloud_mysql_root_password section=auth file=' ~ ansible_home ~ '/undercloud-passwords.conf') }}"
no_log: "{{ not ((ansible_verbosity | int) >= 2) | bool }}"
- name: Create the names for the temporary backup files
set_fact:
db_path: "{{ tmpdir.path }}/all-databases-{{ timestamp }}.sql.gz"
fs_path: "{{ tmpdir.path }}/filesystem-{{ timestamp }}.sql.gz"
bkp_path: "/tmp/UC-backup-{{ timestamp }}.tar"
# We use the undercloud database password for the root
# to backup the databases
- name: Backup the databases
become: true
shell: |-
set -o pipefail
podman exec -i mysql mysqldump \
-u root \
-p{{ MysqlRootPassword }} \
--opt \
--all-databases | gzip > {{ db_path }}
no_log: true
- name: Backup the filesystem
become: true
shell: |
tar --xattrs --ignore-failed-read -C / -cf {{ fs_path }} {{ sources_path }}
chown {{ lookup('env', 'USER') }} {{ fs_path }}
- name: compress all the files in tar.gz
archive:
path: "{{ tmpdir.path }}"
dest: "{{ bkp_path }}"
format: tar
notify:
- cleanup the backup
- name: Swift save block
when:
- save_swift is defined and save_swift
block:
- name: Save the backup to swift
shell: |-
swift upload --header "X-Delete-After: 86400" undercloud-backups {{ bkp_path }}
- name: Backup saved
debug:
msg: "The undercloud backup was saved to swift"
- name: Local save block
when:
- save_swift is not defined or not save_swift
block:
- name: Create the backup directory
become: true
file:
path: /var/lib/tripleo/backups
state: directory
mode: '0755'
- name: Copy backup file
become: true
copy:
src: "{{ bkp_path }}"
dest: "/var/lib/tripleo/backups/{{ bkp_path | basename }}"
remote_src: true
- name: Print out the backup location
debug:
msg: >-
The undercloud backup was saved in
"/var/lib/tripleo/backups/{{ bkp_path | basename }}"