[jira] [Created] (AMBARI-25625) druid.emitter.ambari-metrics.hostname set improperly

["Tamas Payer (Jira)" <ji...@apache.org>]

Tamas Payer created AMBARI-25625:
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             Summary: druid.emitter.ambari-metrics.hostname set improperly
                 Key: AMBARI-25625
                 URL: https://issues.apache.org/jira/browse/AMBARI-25625
             Project: Ambari
          Issue Type: Task
          Components: stacks
    Affects Versions: 2.6.2, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5
            Reporter: Tamas Payer
            Assignee: Tamas Payer
             Fix For: 2.7.6


When installing Druid the `druid.emitter.ambari-metrics.hostname` property is set to the first character of the hostname of the AMS collector host even though the property in Ambari is set to `{{metric_collector_host}}`. 

/etc/druid/conf/_common/common.runtime.properties file contains:
{code:java}
druid.emitter=ambari-metrics
druid.emitter.ambari-metrics.eventConverter={"type":"whiteList"}
druid.emitter.ambari-metrics.hostname=c
druid.emitter.ambari-metrics.port=6188
druid.emitter.ambari-metrics.protocol=https
druid.emitter.ambari-metrics.trustStorePassword=clientTrustStorePassword
druid.emitter.ambari-metrics.trustStorePath=/etc/security/clientKeys/all.jks
druid.emitter.ambari-metrics.trustStoreType=jks{code}



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