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Added
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* pipeline check command
Will check a pipeline to see whether it's currently stalled or failed.
Created with the intention to be run through Nagios
* pipeline check-all command
Will iterate over all pipelines and warn/critical if any is stalled/failed
that is not paused.
* pipeline list
Will list all pipelines and their current status.
Created to be able to list all pipelines currently paused or locked.