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Review request for Ambari, Aravindan Vijayan, Dmytro Sen, Eric Yang, Robert Levas, and Sid Wagle. Bugs: AMBARI-21821 https://issues.apache.org/jira/browse/AMBARI-21821 Repository: ambari Description ------- This is a subtask of AMBARI-14384 "Ambari Metrics doesn't use SPNEGO to authenticate". In a Kerberos enabled cluster with SPNEGO enabled on Hadoop APIs, Ambari Metrics Collector web-console will be Kerberos HTTP SPNEGO enabled too. But Ambari Metrics service check currently does not support Kerberos HTTP SPNEGO authentication. 2017-08-24 16:13:44,078 - Ambari Metrics service check was started. 2017-08-24 16:13:44,109 - Generated metrics for host amshost.example.com : { "metrics": [ { "metricname": "AMBARI_METRICS.SmokeTest.FakeMetric", "appid": "amssmoketestfake", "hostname": "host.example.com", "timestamp": 1503616424000, "starttime": 1503616424000, "metrics": { "1503616424000": 0.164134766408, "1503616425000": 1503616424000 } } ] } 2017-08-24 16:13:44,114 - Connecting (POST) to amshost.example.com:6188/ws/v1/timeline/metrics/ 2017-08-24 16:13:44,117 - Http response for host amshost.example.com: 401 Authentication required Diffs ----- ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/params.py 6975bec ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/service_check.py 2b3dfa9 Diff: https://reviews.apache.org/r/61998/diff/1/ Testing ------- 1. run the Hadoop QA testing twice and the testcase failures has nothing to do with the patch 2. manually tested AMS service check on HDP/trunk cluster with combination of HTTP SPNEGO/Non-HTTP SPNEGO, SSL/Non-SSL, AMS distributed/embedded. Thanks, Qin Liu