Simon Horman 8c3d0be987 MEDIUM: Add DRAIN state and report it on the stats page
Add a DRAIN sub-state for a server which
will be shown on the stats page instead of UP if
its effective weight is zero.

Also, log if a server enters or leaves the DRAIN state
as the result of an agent check.

Signed-off-by: Simon Horman <horms@verge.net.au>
2013-11-25 07:31:16 +01:00
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2013-10-01 09:49:21 +02:00
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