Add healthcheck start-interval option

[x4rd0o1Vtx]

SUMMARY

Add new healthcheck start-interval docker option.
https://docs.docker.com/reference/dockerfile/#healthcheck

/!\ This option requires Docker Engine version 25.0 or later.

ex:

healthcheck:
  test: ["CMD", "test"]
  start_interval: 5s

• Actual behavior

Unsupported parameter

• New behavior

"Healthcheck" {
  "Test": ["CMD", "test"],
  "StartInterval": 5000000000
}

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

docker_container
docker_swarm_service

ADDITIONAL INFORMATION

Only docker_container module was tested.
Not sure about modify unit tests for docker_swarm_service at tests/integration/targets/docker_swarm_service/tasks/tests/options.yml.
Don't know the good way to protect this option for Docker Engine version <25.0. (I think not necessary because older versions seems to ignore it)

[felixfontein]

Thanks for your contribution! Unfortunately the option for docker_swarm_service cannot be added at the moment, since Docker SDK for Python does not yet support it. For docker_container it is possible (since we directly talk to the API).

Please note that you also have to add a changelog fragment. Thanks.

[x4rd0o1Vtx]

Thanks for your feedbacks, I've updated the PR but not sure about the good way to check the API version and not really familiar with some failing tests.

[felixfontein]

Looks good to me! I'm currently looking at the CI failures, they seem to be unrelated.

[felixfontein]

All tests pass except CentOS 7, but that's totally unrelated to this PR (ansible/ansible#83225).

[felixfontein]

@x4rd0o1Vtx thanks a lot for your contribution!

[x4rd0o1Vtx]

Thanks for your help and the quick review!