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Allow to failover to an async candidate in sync mode

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Polina Bungina
2023-07-25 17:40:20 +02:00
parent 39b643742a
commit dca2a9ead2
1 changed files with 11 additions and 9 deletions
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patroni/ha.py
+11 -9
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@@ -1922,12 +1922,14 @@ class Ha(object):
"""
failover = self.cluster.failover
if check_sync:
# TODO: allow manual failover (=no leader specified) to async node
# every sync_standby or the candidate specified if is in sync_standbys
return [m for m in self.cluster.members
if self.cluster.sync.matches(m.name)
and (not failover or not failover.candidate or m.name == failover.candidate)]
else:
# every member or the candidate specified
return [m for m in self.cluster.members
if not failover or not failover.candidate or m.name == failover.candidate]
# manual *failover*, only check the candidate (even if not in sync members)
if failover and not failover.leader:
assert failover.candidate # we always have a candidate in manual failover
return [m for m in self.cluster.members if m.name == failover.candidate]
else:
return [m for m in self.cluster.members
if self.cluster.sync.matches(m.name) and (not failover
or not failover.candidate
or m.name == failover.candidate)]
return [m for m in self.cluster.members
if not failover or not failover.candidate or m.name == failover.candidate]