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Posted to commits@ambari.apache.org by wu...@apache.org on 2022/11/22 09:21:25 UTC
[ambari] branch trunk updated: AMBARI-25604: During blueprint deploy tasks sometimes fail due to KeyError (#3555)
This is an automated email from the ASF dual-hosted git repository.
wuzhiguo pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/ambari.git
The following commit(s) were added to refs/heads/trunk by this push:
new f12431c035 AMBARI-25604: During blueprint deploy tasks sometimes fail due to KeyError (#3555)
f12431c035 is described below
commit f12431c0357e8988f48a1d778dcba7a7ffb636c4
Author: Yu Hou <52...@qq.com>
AuthorDate: Tue Nov 22 17:21:18 2022 +0800
AMBARI-25604: During blueprint deploy tasks sometimes fail due to KeyError (#3555)
---
.../src/main/python/ambari_agent/ClusterTopologyCache.py | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/ambari-agent/src/main/python/ambari_agent/ClusterTopologyCache.py b/ambari-agent/src/main/python/ambari_agent/ClusterTopologyCache.py
index b7863c6b39..90987ca000 100644
--- a/ambari-agent/src/main/python/ambari_agent/ClusterTopologyCache.py
+++ b/ambari-agent/src/main/python/ambari_agent/ClusterTopologyCache.py
@@ -109,7 +109,14 @@ class ClusterTopologyCache(ClusterCache):
cluster_host_info = defaultdict(lambda: [])
for component_dict in self[cluster_id].components:
component_name = component_dict.componentName
- hostnames = [self.hosts_to_id[cluster_id][host_id].hostName for host_id in component_dict.hostIds]
+ hostnames = []
+ for host_id in component_dict.hostIds:
+ if host_id in self.hosts_to_id[cluster_id]:
+ hostnames.append(self.hosts_to_id[cluster_id][host_id].hostName)
+ else:
+ # In theory this should never happen. But in practice it happened when ambari-server had corrupt DB cache.
+ logger.warning("Cannot find host_id={} in cluster_id={}".format(host_id, cluster_id))
+
cluster_host_info[component_name.lower()+"_hosts"] += hostnames
cluster_host_info['all_hosts'] = []
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