openstack-ansible-os_swift/tasks/swift_rings_check.yml
Andy McCrae 59bff1bd3a Distribute rings to build dir on all swift_hosts
This prevents a situation where swift_hosts[0] changes as a host, or is
removed (meaning a new swift_hosts[0]) which would prevent the rings
from being built. Additionally it will act as a backup for the ring
build files.

To clarify the purpose of the rings directory, the directory was renamed
to "ring_build_files", clarifying that the active rings are in
/etc/swift/

Change-Id: Id878d219504db195353286b28d7c038e5e659263
Closes-Bug: #1444529
2015-04-15 16:30:58 +01:00

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YAML

---
# Copyright 2014, Rackspace US, 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: Get md5sum of local builder files
shell: |
cat /etc/swift/ring_build_files/*.builder 2>/dev/null | md5sum | cut -d " " -f1
register: md5sum
tags:
- swift-ring-check
- name: Get empty md5sum
shell: |
echo -n | md5sum | cut -d " " -f1
register: empty_md5sum
tags:
- swift-ring-check
# Fail if the remote hosts builder files is not empty AND
# does not match the md5sum of the local host.
- name: Verify md5sum of builder files
fail:
msg: >
"The builder files on the remote host {{ item }} do not match the {{ md5sum.stdout }},
and are not empty on the remote host"
when: >
("{{ hostvars[item]['builder_md5sum'] }}" != "{{ empty_md5sum.stdout }}") and
("{{ hostvars[item]['builder_md5sum'] }}" != "{{ md5sum.stdout }}")
with_items: groups['swift_all']
tags:
- swift-ring-check