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Added check for empty subsets (#670)

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On Kubernetes 1.10.0 I experienced an issue where calls to `patch_or_create` were failing when bootstraping a cluster. The call was failing because `self._leader_observed_subsets` was `None` instead of `[]`.
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Cody Coons
2018-04-26 16:38:19 +02:00
committed by Alexander Kukushkin
parent 84f29caf92
commit 3eeb4ed979
1 changed files with 1 additions and 1 deletions
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patroni/dcs/kubernetes.py
+1 -1
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@@ -161,7 +161,7 @@ class Kubernetes(AbstractDCS):
leader = nodes.get(self.leader_path)
metadata = leader and leader.metadata
self._leader_resource_version = metadata.resource_version if metadata else None
self._leader_observed_subsets = leader.subsets if self.__subsets and leader else []
self._leader_observed_subsets = leader.subsets if self.__subsets and leader and leader.subsets else []
annotations = metadata and metadata.annotations or {}
# get last leader operation