tripleo-ansible/tripleo_ansible/playbooks/swift_ring_rebalance.yaml

155 lines
4.7 KiB
YAML

---
- name: Update Swift rings
hosts: swift_storage,swift_proxy
gather_facts: false
any_errors_fatal: true
max_fail_percentage: 0
vars:
base_directory: "/var/lib/config-data/puppet-generated/swift/"
rebalance_is_safe: false
plan: overcloud
tasks:
- name: Get reference ring checksum
run_once: true
delegate_to: localhost
block:
- name: Ensure /tmp/swift-rings directory exists
file: path=/tmp/swift-rings state=directory
- name: Fetch Swift rings from undercloud
command: |-
openstack --os-cloud undercloud object save --file /tmp/swift-rings.tar.gz "{{plan~'-swift-rings'}}" swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings
remote_src: true
- name: Get reference ring checksum
stat:
path: /tmp/swift-rings/etc/swift/object.ring.gz
register: result_reference
- name: Get file attributes of object rings
stat:
path: "{{ base_directory }}/etc/swift/object.ring.gz"
register: result
- name: Abort playbook run if consistency check fails
fail:
msg: "object.ring.gz does not match reference checksum"
when:
- (result.stat.exists | bool)
- (result_reference.stat.exists | bool)
- (result_reference.stat.checksum != result.stat.checksum)
- name: Deploy missing Swift rings
block:
- name: Copy to remote host
synchronize:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings.tar.gz
- name: Extract missing Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /{{ base_directory }}
remote_src: true
when:
- not (result.stat.exists | bool)
- name: Get recon data
command: cat /var/cache/swift/object.recon
register: recon
become: true
- name: Check if it is safe to continue rebalancing
set_fact:
rebalance_is_safe: true
when:
- (result.stat.exists | bool)
- ((recon.stdout | from_json).object_replication_last | int) > ((result.stat.mtime) | int)
- name: Show warning and stop playbook run if unsafe
debug:
msg: "Rebalancing is unsafe at the moment, stopping. Please try again later"
when:
- not (rebalance_is_safe | bool)
# We exit here in case there is at least one host that fails the above check
- meta: end_play
when:
- not (rebalance_is_safe | bool)
- name: Rebalance Swift rings
run_once: true
block:
- name: Ensure /tmp/swift-rings directory exists
file: path=/tmp/swift-rings state=directory
- name: Copy to remote host
synchronize:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings
remote_src: true
- name: Get swift_proxy container info
podman_container_info:
name: swift_proxy
register: swift_proxy_info
become: true
- name: Set swift_proxy image name
set_fact:
swift_proxy_image: "{{ (swift_proxy_info.containers | map(attribute='ImageName')) | first }}"
- name: Rebalance Swift rings
podman_container:
name: temp_rebalace
image: "{{swift_proxy_image}}"
network: none
volume: /tmp/swift-rings:/tmp/swift-rings
command: swift-ring-builder /tmp/swift-rings/etc/swift/{{ item }} rebalance
with_items:
- object.builder
- container.builder
- account.builder
- name: Create Swift ring archive
archive:
path:
- "/tmp/swift-rings/etc"
dest: /tmp/swift-rings.tar.gz
- name: Fetch from remote host
fetch:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings.tar.gz
flat: true
- name: Upload swift rings to the undercloud
command: |-
openstack --os-cloud undercloud object create --name swift-rings.tar.gz "{{ plan~'-swift-rings'}}" /tmp/swift-rings.tar.gz
delegate_to: localhost
- name: Update Swift rings on all nodes
block:
- name: Copy to remote host
synchronize:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /{{ base_directory }}
remote_src: true
become: true