Disable dark traffic dispatching during dark warmup #1032
Merged
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Description
Sending dark traffic during dark warmup is risky since it can result in the calls being sent back to the same hosts, resulting in a cycle.
Changes:
ZookeeperAnnouncer
in dark cluster utils to ensure that no dark requests are sent while any of the announcers is in warmup mode (and the app is receiving some dark traffic).Testing
Added UT.