> On Feb. 26, 2015, 1:29 p.m., Nate Cole wrote:
> > ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java,
> >  line 1552
> > <https://reviews.apache.org/r/31457/diff/1/?file=877151#file877151line1552>
> >
> >     Original code had this as setState(state) because it's already decided 
> > it's CURRENT.  If we find other conditions where this condition should 
> > execute we can just change that "if" instead of 3 of them.

Fixed.


> On Feb. 26, 2015, 1:29 p.m., Nate Cole wrote:
> > ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java,
> >  line 1566
> > <https://reviews.apache.org/r/31457/diff/1/?file=877151#file877151line1566>
> >
> >     See "state" comment.

Fixed.


- Alejandro


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On Feb. 27, 2015, 9:51 p.m., Alejandro Fernandez wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/31457/
> -----------------------------------------------------------
> 
> (Updated Feb. 27, 2015, 9:51 p.m.)
> 
> 
> Review request for Ambari, Dmitro Lisnichenko, Jonathan Hurley, Nate Cole, 
> and Tom Beerbower.
> 
> 
> Bugs: AMBARI-9805
>     https://issues.apache.org/jira/browse/AMBARI-9805
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> 1. There is a bug in ServiceComponentHostSummary.java since its constructor 
> should not be comparing against the string UKNOWN, but rather rely on 
> ComponentInfo to determine which components need to advertise a version. 
> Also, the function haveAllComponentsFinishedAdvertisingVersion should instead 
> compare the size of all components that can advertise a version, and the 
> subset of those that have done so already.
> 2. ClusterImpl.java has a bug in transitionHostVersionState() when setting 
> the state to UPGRADING if the Host has exactly one Component with a version.
> 3. FinalizeUpgradeAction.java has redundant code now that AMBARI-9755 is in 
> because the call to transitionClusterVersion() will also take care of 
> transitioning HostVersions from INSTALLED->CURRENT for hosts that only have 
> components that do not advertise a version.
> 
> It is of the utmost importance to test these changes in the following 
> scenarios:
> Host added during cluster install
> Host added after cluster install
> Host added after bits are distributed
> 
> A Host may be added with either 0 services, only services that do not 
> advertise a version, or at least one service that advertises a version.
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java
>  4dcdc94 
>   ambari-server/src/main/java/org/apache/ambari/server/state/Cluster.java 
> 6b8a917 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
>  13d986d 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostImpl.java
>  6d7455e 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostSummary.java
>  ef14f0b 
>   
> ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClusterTest.java
>  a8b64f8 
>   
> ambari-server/src/test/resources/stacks/HDP/2.0.5/services/GANGLIA/metainfo.xml
>  fe5f482 
>   
> ambari-server/src/test/resources/stacks/HDP/2.0.5/services/HDFS/metainfo.xml 
> e0a40b0 
>   
> ambari-server/src/test/resources/stacks/HDP/2.0.5/services/ZOOKEEPER/metainfo.xml
>  205b445 
>   ambari-server/src/test/resources/stacks/HDP/2.2.0/metainfo.xml PRE-CREATION 
>   ambari-server/src/test/resources/stacks/HDP/2.2.0/repos/hdp.json 
> PRE-CREATION 
>   ambari-server/src/test/resources/stacks/HDP/2.2.0/repos/repoinfo.xml 
> PRE-CREATION 
>   ambari-server/src/test/resources/stacks/HDP/2.2.0/role_command_order.json 
> PRE-CREATION 
>   
> ambari-server/src/test/resources/stacks/HDP/2.2.0/services/GANGLIA/metainfo.xml
>  PRE-CREATION 
>   
> ambari-server/src/test/resources/stacks/HDP/2.2.0/services/HDFS/metainfo.xml 
> PRE-CREATION 
>   
> ambari-server/src/test/resources/stacks/HDP/2.2.0/services/ZOOKEEPER/metainfo.xml
>  PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/31457/diff/
> 
> 
> Testing
> -------
> 
> Verified on a live cluster.
> 1. Installed HDP 2.2.2.0 version 2450 with HDFS and ZK on 3 hosts (c6404, 
> c6405, c6406)
> 2. All three hosts transitioned the HostVersion from UPGRADING->CURRENT, and 
> the ClusterVersion was CURRENT
> 3. Added a service (MR + YARN), and Host Component States got added with 
> version of UNKNOWN
> They all finally reported a version, but no changes needed in HostVersions or 
> ClusterVersion
> 4. Added new host, c6407 with no services.
> Then, added only HDFS client to it.
> Which picked up HostVersion in CURRENT and the HostComponentState had a valid 
> version (2.2.2.0-2450)
> 5. Added another host (c6408) with no components. Add Ganglia service, which 
> does not advertise a version. This host did not yet have a HostVersion
> 6. Registered a Repo and distributed bits for 2.2.2.0-2485. All Hosts then 
> had HostVersion for the new repo with a state of INSTALLED
> 7. Added yet one more host that will only have Ganglia Monitor (c6409). It 
> then had a HostVersion in OUT_OF_SYNC, and the ClusterVersion was also 
> OUT_OF_SYNC
> 8. Redistributed bits, all hosts then had INSTALLED for the new version, but 
> only 4/6 hosts have a HostVersion for 2.2.2.0-2450.
> 9. Performed an RU. Before Finalize, all but the last 2 hosts were in 
> UPGRADED, but the last 2 hosts still had a HostVersion in INSTALLED.
> 10. Finalize succeeded
> 
> 
> Still need to write unit tests
> 
> 
> Thanks,
> 
> Alejandro Fernandez
> 
>

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