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ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java <https://reviews.apache.org/r/29521/#comment110098> As I understand, this code will take latest (i.e. random) config tags and will not process per-host config overrides. How about using ConfigHelper functions to take care of that? - Dmitro Lisnichenko On Jan. 2, 2015, 12:52 a.m., Alejandro Fernandez wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/29521/ > ----------------------------------------------------------- > > (Updated Jan. 2, 2015, 12:52 a.m.) > > > Review request for Ambari, Dmitro Lisnichenko, Jonathan Hurley, and Nate Cole. > > > Bugs: AMBARI-8970 > https://issues.apache.org/jira/browse/AMBARI-8970 > > > Repository: ambari > > > Description > ------- > > Currently, the upgrade-2.2.xml file, which contains the Upgrade Pack, defines > the exact commands to run for the Namenode prepare and finalize steps. > The downside of having this logic in the xml file is that it makes it > difficult to maintain, and is not as powerful as being able to run the > commands by using Python and its functions. Therefore, it is preferable for > the ExecuteTask to be able to invoke a function inside a script. > > The plan is for Namenode to have functions for prepare and finalize, and for > the upgrade pack to contain something like, > > Masters Group, > ''' > <service name="HDFS"> > <component name="NAMENODE"> > <pre-upgrade> > <task xsi:type="execute" hosts="master"> > <script>scripts/namenode.py</script> > <function>prepare_rolling_upgrade</function> > </task> > </pre-upgrade> > </component> > </service> > ''' > > While the Cluster Group has, > ''' > <execute-stage service="HDFS" component="NAMENODE" title="Execute HDFS > Finalize"> > <task xsi:type="execute" hosts="master"> > <script>scripts/namenode.py</script> > <function>finalize_rolling_upgrade</function> > </task> > </execute-stage> > ''' > > > Diffs > ----- > > ambari-agent/src/main/python/ambari_agent/CustomServiceOrchestrator.py > d0601a4 > ambari-agent/src/main/python/ambari_agent/PythonExecutor.py 2ba492f > ambari-agent/src/test/python/ambari_agent/TestActionQueue.py 91ddf81 > ambari-agent/src/test/python/ambari_agent/TestCustomServiceOrchestrator.py > 51bf45f > > ambari-common/src/main/python/resource_management/libraries/functions/dynamic_variable_interpretation.py > 7a27322 > ambari-common/src/main/python/resource_management/libraries/script/hook.py > 5c8eafc > > ambari-common/src/main/python/resource_management/libraries/script/script.py > 3aa03c9 > > ambari-server/src/main/java/org/apache/ambari/server/controller/ActionExecutionContext.java > 89f7307 > > ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariActionExecutionHelper.java > ad86bb1 > > ambari-server/src/main/java/org/apache/ambari/server/controller/internal/UpgradeResourceProvider.java > 0afc2c00 > ambari-server/src/main/java/org/apache/ambari/server/state/Cluster.java > 15411fc > > ambari-server/src/main/java/org/apache/ambari/server/state/UpgradeHelper.java > d7bf2de > > ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java > 0b9525a > > ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/ExecuteTask.java > a70e08f > > ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py > a2b7c53 > > ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode_upgrade.py > PRE-CREATION > ambari-server/src/main/resources/custom_actions/scripts/ru_execute_tasks.py > a52a7b5 > ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/upgrade-2.2.xml > dd80134 > ambari-web/app/messages.js 9e34bfc > > Diff: https://reviews.apache.org/r/29521/diff/ > > > Testing > ------- > > Deployed a 3-node cluster with HA and performed a rolling upgrade. > There was an error with the Tez client because > /var/lib/ambari-agent/cache/stacks/HDP/2.1/services/TEZ/package/scripts/tez_client.py > could not be found, but that is likely unrelated. > > Unit tests passed. > {color:green}+1 overall{color}. > http://issues.apache.org/jira/secure/attachment/12689734/AMBARI-8970.patch > > {color:green}+1 @author{color}. The patch does not contain any @author > tags. > > {color:green}+1 tests included{color}. The patch appears to include 2 > new or modified test files. > > {color:green}+1 javac{color}. The applied patch does not increase the > total number of javac compiler warnings. > > {color:green}+1 release audit{color}. The applied patch does not > increase the total number of release audit warnings. > > {color:green}+1 core tests{color}. The patch passed unit tests in > ambari-server. > > > Thanks, > > Alejandro Fernandez > >
