fixed race and added support for all option in docker stats #4596
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
In some cases a race could be encountered when executing docker
stats. The race would result in an orphaned go routine that
would be a memory leak.
In addition if stats --no-stream -all was requested the persona
would hang on any stopped containers. Stats now will consider
the container state when processing these requests.
Finally, the unit testing coverage was increased to just over
90%.
Fixes #4549, #4585, #4421