container-crontab

command module
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Published: Jul 10, 2017 License: Apache-2.0 Imports: 4 Imported by: 0

README

container-crontab

A microservice that will perform actions on a Docker container based on cron schedule.

Building

make

Running

./bin/container-crontab

Usage

Once container-crontab is up and running it watches Docker socket events for create, start and destroy events. If a container is found to have the label cron.schedule then it will be added to the crontab based on the schedule.

Cron scheduling rules follow: Expression Format

Override labels that can be applied

To override the default start action on the container, set the label cron.action equal to ``stoporrestart`.

To override the default 10 second restart/stop timeout set the label cron.restart_timeout to the number of seconds you would like. For instance for 20 seconds: cron.restart_timeout=20.

Examples

# Restart every minute
> docker run -d --label=cron.schedule="0 * * * * ?" ubuntu:16.04 date

License

Copyright (c) 2014-2017 Rancher Labs, 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.

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