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(Updated April 28, 2016, 10:36 a.m.) Review request for Ambari, Alejandro Fernandez, Jonathan Hurley, and Nate Cole. Changes ------- Fixed comments Summary (updated) ----------------- Force running service checks for services before upgrade Bugs: AMBARI-16134 https://issues.apache.org/jira/browse/AMBARI-16134 Repository: ambari Description ------- Just checking for service checks that were run within the last hour does not seem to be a warranty of anything. For example, user could install cluster, run service checks once, and then enable security/LDAP/change configuration as required by some pre-upgrade check/whatever, and still have Health Check passing. So the current idea is to check configuration change history and compare config change timestamps with last time the service check for related service was run. Also log to Ambari log timestamps of latest service checks for services, and timestamps of latest service config changes (INFO level) Diffs (updated) ----- ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java d701bdc ambari-server/src/main/java/org/apache/ambari/server/checks/HealthCheck.java a1ab1eb ambari-server/src/main/java/org/apache/ambari/server/checks/ServiceCheckValidityCheck.java PRE-CREATION ambari-server/src/test/java/org/apache/ambari/server/checks/ServiceCheckValidityCheckTest.java PRE-CREATION Diff: https://reviews.apache.org/r/46729/diff/ Testing ------- mvn clean test Thanks, Dmitro Lisnichenko