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juju / amulet

Testing harness and tools for Juju Charms
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Its difficult to discern which unit is a leader in amulet #131

Open lazypower opened 8 years ago

lazypower commented 8 years ago

Often times when I'm working with quorem or need special behaviour out of a "leader" unit, I use leader-election to do things, like spin up a management service, or deploy specialized configuration.

I will often need to test this in amulet, and thus far the only way i've come up with to find the leader is basically sentry.run('is-leader') in a loop and break when we find the leader.

What would be handy is to have this exposed in amulet with a get_leader('service') so I can scope assertions without implementing the same for loop in all of my amulet tests.

lazypower commented 8 years ago

This has a line item in #116 and is somewhat a duplicate of it