A Python library for code common to TripleO CLI and TripleO UI.
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---
- 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
environment:
OS_STORAGE_URL: "{{ hostvars.localhost.undercloud_swift_url }}"
OS_AUTH_TOKEN: "{{ hostvars.localhost.os_auth_token }}"
tasks:
- name: Get reference ring checksum
run_once: true
block:
- name: Ensure /tmp/swift-rings directory exists
file: path=/tmp/swift-rings state=directory
- name: Fetch Swift rings from undercloud
command: swift --insecure download -o /tmp/swift-rings.tar.gz overcloud-swift-rings swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings
remote_src: yes
- 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 == True) and (result_reference.stat.exists == True) and (result_reference.stat.checksum != result.stat.checksum)
- name: Deploy missing Swift rings
when: result.stat.exists == False
block:
- name: Fetch missing Swift rings from undercloud
command: swift --insecure download -o /tmp/swift-rings.tar.gz overcloud-swift-rings swift-rings.tar.gz
- name: Extract missing Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /{{ base_directory }}
remote_src: yes
become: true
- 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 == True) and ((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
# We exit here in case there is at least one host that fails the above check
- meta: end_play
when: not rebalance_is_safe
- name: Rebalance Swift rings
run_once: true
block:
- name: Ensure /tmp/swift-rings directory exists
file: path=/tmp/swift-rings state=directory
- name: Fetch Swift rings from undercloud
command: swift --insecure download -o /tmp/swift-rings.tar.gz overcloud-swift-rings swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /tmp/swift-rings
remote_src: yes
# Can't use with_fileglob (see https://github.com/ansible/ansible/issues/17136)
- name: Rebalance Swift rings
command: swift-ring-builder /tmp/swift-rings/etc/swift/{{ item }} rebalance
with_items:
- object.builder
- container.builder
- account.builder
failed_when: result.rc > 1
register: result
- name: Create Swift ring archive
archive:
path:
- "/tmp/swift-rings/etc"
dest: /tmp/swift-rings.tar.gz
- name: Copy Swift rings to the undercloud
command: swift --insecure upload --object-name swift-rings.tar.gz overcloud-swift-rings /tmp/swift-rings.tar.gz
- name: Update Swift rings on all nodes
block:
- name: Fetch Swift rings from undercloud
command: swift --insecure download -o /tmp/swift-rings.tar.gz overcloud-swift-rings swift-rings.tar.gz
- name: Extract Swift rings
unarchive:
src: /tmp/swift-rings.tar.gz
dest: /{{ base_directory }}
remote_src: yes
become: true