Sandor Magyari created AMBARI-14664:
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Summary: Blueprints: After Kerberos deployment, UI requires that
Yarn service be restarted
Key: AMBARI-14664
URL: https://issues.apache.org/jira/browse/AMBARI-14664
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.2.0
Reporter: Sandor Magyari
Assignee: Sandor Magyari
Priority: Critical
Fix For: 2.2.1
This is similar issue to AMBARI-14251 Stale configuration problem.
Kerberos.json config files contains a few properties like:
{$clusterHostInfo/webhcat_server_host} for HIVE and KNOX configs. These
properties are replaced using StageUtils.getClusterHostInfo() which is a quite
problematic one and sometimes could happen that hosts are missing from
clusterHostInfo since TopologyHostRequest were not created at that time.
The solution would be to pass clusterHostInfo map to KerberosHelper in case of
using it from TopologyManager so there's no need to get clusterInfo from
StageUtils. We can create this map from ClusterTopology once topology is
resolved. To retrieve hosts to be resolved form kerberos configs, we would pass
an empty componentHostMap then we can select host variables from config
properties. This way the same Kerberos config logic will run both for BP and
non BP deployments.
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