* Return UnlockKey
* Add changelog fragment
* Add method to check if a parameter exists in diffs
* Add method to get swarm unlock key
* Add option unlock_key
* Only return unlock key when created or changed
* Rename difference check
* Extend unlock key example
* Assert that unlock_key is a string
* Fix docker_swarm_info authors
* Don’t silence APIErrors
* Test unlock_key on unlocked swarm
* Catch APIError when retrieving unlock key
* Better return value description
* Lint
* Fix UnlockKey return value documentation
Co-Authored-By: hannseman <hannes@5monkeys.se>
* Get unlock key safely
Co-Authored-By: hannseman <hannes@5monkeys.se>
* Return None on empty UnlockKey
* Assert swarm_unlock_key is undefined if unqueried
* Add documentation about swarm_info unlock_key
* Add change log fragment for unlock_key option
* Revert "Add change log fragment for unlock_key option"
This reverts commit e3cb2325b552e5d14cc3f42b33a86bf3ee84d3b9.
* Use generator expression instead
* Restart docker more decisively
* Use systemctl kill
Co-Authored-By: hannseman <hannes@5monkeys.se>
* Try to restart docker daemon
