openstack-ansible/playbooks/roles/system_crontab_coordination/tasks/main.yml
git-harry e148635e78 Add role system-crontab-coordination
Currently every host, both containers and bare metal, has a crontab
configured with the same values for minute, hour, day of week etc. This
means that there is the potential for a service interruption if, for
example, a cron job were to cause a service to restart.

This commit adds a new role which attempts to adjust the times defined
in the entries in the default /etc/crontab to reduce the overlap
between hosts.

Change-Id: I18bf0ac0c0610283a19c40c448ac8b6b4c8fd8f5
Closes-bug: #1424705
2015-06-30 10:06:11 +01:00

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YAML

---
# Copyright 2015, 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: Create crontab
template:
src: "crontab.j2"
dest: "/etc/crontab"
owner: "root"
group: "root"
mode: "0644"