docker_swarm: add diff support (#52947)

* Add diff support to docker_swarm.

* Add changelog.

* Using diff mode for docker_swarm tests. This improves debugging, since the the module now outputs more information on *why* it did certain actions.
This commit is contained in:
Felix Fontein
2019-02-26 12:57:02 +01:00
committed by John R Barker
parent 84cc5202db
commit bf3c291606
3 changed files with 33 additions and 0 deletions

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minor_changes:
- "docker_swarm - module now supports ``--diff`` mode."