eb9c4944a9
These playbooks will allow for clean interface to the backup and restore role. Change-Id: I6f3fa1a6bf6a7f7ebc8c41b69708b75c94cce738
163 lines
5.5 KiB
YAML
163 lines
5.5 KiB
YAML
---
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# Copyright 2019 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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- name: TripleO Undercloud backup workflows
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connection: "{{ (tripleo_target_host is defined) | ternary('ssh', 'local') }}"
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hosts: "{{ tripleo_target_host | default('localhost') }}"
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remote_user: "{{ tripleo_target_user | default(lookup('env', 'USER')) }}"
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gather_facts: "{{ (tripleo_target_host is defined) | ternary(true, false) }}"
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any_errors_fatal: true
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vars:
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sources_path: "{{ lookup('env', 'HOME') }}"
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handlers:
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# Perform some cleanup
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- name: cleanup the backup
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become: true
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file:
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path: "{{ item }}"
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state: absent
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with_items:
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- "{{ bkp_path }}"
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- "{{ tmpdir.path }}/"
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pre_tasks:
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- name: Set local connection user facts
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set_fact:
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ansible_home: "{{ lookup('env', 'HOME') }}"
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ansible_user: "{{ lookup('env', 'USER') }}"
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run_once: true
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when:
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- (tripleo_target_host is defined) | ternary('ssh', 'local') == 'local'
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# Action to know if there is enough available space
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# to run the Undercloud backup
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- name: Get free space
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shell: |
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set -o pipefail
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if [[ $(df -T /var/tmp | tail -n 1 | awk '{print $2}') == "btrfs" ]]; then
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btrfs fi usage --gbytes / | awk '/^.*Free / {print $3}'| sed 's/\..*//'
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else
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df -BG /var/tmp | awk '!/^Filesystem/ {print $4}' | sed 's/G//'
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fi
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register: var_space_available
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- name: Fail if any of the volumes are too small
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fail:
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msg: >
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Minimum free space required for /var/tmp: 10G
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- current free space: {{ var_space_available.stdout|int |round(1) }}G
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when:
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- (var_space_available.stdout | int) < 10
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tasks:
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- name: Create a timestamp variable
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set_fact:
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timestamp: "{{ lookup('pipe','date +%Y%m%d%H%M%S') }}"
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- name: Create staging directory
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tempfile:
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state: directory
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prefix: "undercloud-backup-"
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path: "/var/tmp"
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register: tmpdir
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notify:
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- cleanup the backup
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- name: Mysql root password block
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block:
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- name: Read tripleo password file
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slurp:
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src: "{{ ansible_home }}/tripleo-undercloud-passwords.yaml"
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register: tripleo_undercloud_passwords
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no_log: true
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- name: Set mysql root password
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set_fact:
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MysqlRootPassword: "{{ (tripleo_undercloud_passwords['content'] | b64decode | from_yaml)['parameter_defaults']['MysqlRootPassword'] }}"
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no_log: "{{ not ((ansible_verbosity | int) >= 2) | bool }}"
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rescue:
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- name: Set mysql root password (fallback)
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set_fact:
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MysqlRootPassword: "{{ lookup('ini', 'undercloud_mysql_root_password section=auth file=' ~ ansible_home ~ '/undercloud-passwords.conf') }}"
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no_log: "{{ not ((ansible_verbosity | int) >= 2) | bool }}"
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- name: Create the names for the temporary backup files
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set_fact:
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db_path: "{{ tmpdir.path }}/all-databases-{{ timestamp }}.sql.gz"
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fs_path: "{{ tmpdir.path }}/filesystem-{{ timestamp }}.sql.gz"
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bkp_path: "/tmp/UC-backup-{{ timestamp }}.tar"
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# We use the undercloud database password for the root
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# to backup the databases
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- name: Backup the databases
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become: true
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shell: |-
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set -o pipefail
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podman exec -i mysql mysqldump \
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-u root \
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-p{{ MysqlRootPassword }} \
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--opt \
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--all-databases | gzip > {{ db_path }}
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no_log: true
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- name: Backup the filesystem
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become: true
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shell: |
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tar --xattrs --ignore-failed-read -C / -cf {{ fs_path }} {{ sources_path }}
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chown {{ lookup('env', 'USER') }} {{ fs_path }}
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- name: compress all the files in tar.gz
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archive:
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path: "{{ tmpdir.path }}"
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dest: "{{ bkp_path }}"
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format: tar
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notify:
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- cleanup the backup
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- name: Swift save block
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when:
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- save_swift is defined and save_swift
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block:
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- name: Save the backup to swift
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shell: |-
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swift upload --header "X-Delete-After: 86400" undercloud-backups {{ bkp_path }}
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- name: Backup saved
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debug:
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msg: "The undercloud backup was saved to swift"
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- name: Local save block
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when:
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- save_swift is not defined or not save_swift
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block:
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- name: Create the backup directory
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become: true
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file:
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path: /var/lib/tripleo/backups
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state: directory
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mode: '0755'
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- name: Copy backup file
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become: true
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copy:
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src: "{{ bkp_path }}"
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dest: "/var/lib/tripleo/backups/{{ bkp_path | basename }}"
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remote_src: true
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- name: Print out the backup location
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debug:
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msg: >-
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The undercloud backup was saved in
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"/var/lib/tripleo/backups/{{ bkp_path | basename }}"
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