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(Updated Oct. 26, 2016, 1:05 p.m.) Review request for Ambari, Alejandro Fernandez and Jonathan Hurley. Bugs: AMBARI-18679 https://issues.apache.org/jira/browse/AMBARI-18679 Repository: ambari Description ------- Add skeleton and enum etc for Host-Ordered upgrades. Host Ordered is a hybrid of Express and Rolling, whereby all components on a host are stopped, the upgrade pauses, then the components start. Continue host-by-host until all services are upgraded. This doesn't contain any new orchestration logic, that will happen as a separate jira. Upgrade Pack in this diff likely will be changed significantly; it's just a starting point. Diffs ----- ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/Grouping.java be1f469 ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/HostOrderGrouping.java PRE-CREATION ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/UpgradeType.java ff31008 ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/host-upgrade-2.5.xml PRE-CREATION ambari-server/src/main/resources/upgrade-pack.xsd b02d941 ambari-server/src/test/java/org/apache/ambari/server/state/stack/UpgradePackTest.java 6c81c61 ambari-server/src/test/resources/stacks/HDP/2.2.0/upgrades/upgrade_test_host_ordered.xml PRE-CREATION Diff: https://reviews.apache.org/r/53192/diff/ Testing (updated) ------- Manual. Automated: Tests run: 4665, Failures: 0, Errors: 0, Skipped: 42 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1:10:24.649s [INFO] Finished at: Wed Oct 26 12:57:25 EDT 2016 [INFO] Final Memory: 36M/660M [INFO] ------------------------------------------------------------------------ Thanks, Nate Cole