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https://reviews.apache.org/r/57672/
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Review request for Ambari, Alejandro Fernandez, Jayush Luniya, Robert 
Nettleton, and Sumit Mohanty.


Bugs: AMBARI-20469
    https://issues.apache.org/jira/browse/AMBARI-20469


Repository: ambari


Description
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Add a new property to yarn-site.xml yarn.log.server.web-service.url


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessor.java
 e604598 
  
ambari-server/src/main/resources/stacks/HDP/2.6/services/YARN/configuration/yarn-site.xml
 4b97148 
  ambari-server/src/main/resources/stacks/HDP/2.6/services/stack_advisor.py 
0968d8b 


Diff: https://reviews.apache.org/r/57672/diff/1/


Testing
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1. Fresh Install : HDP 2.6
Install Yarn. Check if the yarn.log.server.web-service.url is appropriately set 
i.e if policy = HTTP_ONLY, then the value is 
http://${yarn.resourcemanager.webapp.address}/ws/v1/applicationhistory
Change the policy to HTTPS_ONLY, the UI will show a warning on Save Configs to 
change the yarn.log.server.web-service.url to 
https://${yarn.resourcemanager.webapp.https.address}/ws/v1/applicationhistory

2. Export Blueprint
yarn.log.server.web-service.url = 
"http://%HOSTGROUP::host_group_2%:8188/ws/v1/applicationhistory";,

3. Deploy a cluster using Blueprint
config_recommendation_strategy = ONLY_STACK_DEFAULTS_APPLY
"yarn.log.server.web-service.url": 
"http://c6402.ambari.apache.org:8188/ws/v1/applicationhistory";,
where:
yarn.timeline-service.webapp.address": "c6402.ambari.apache.org:8188",


Thanks,

Madhuvanthi Radhakrishnan

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