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From "Dmitro Lisnichenko" <dlysniche...@hortonworks.com>
Subject Re: Review Request 33478: Usability: bootstrapping hosts shows "Preparing" without any information and seems stuck. Additional changes
Date Thu, 23 Apr 2015 13:00:50 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/33478/
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(Updated April 23, 2015, 1 p.m.)


Review request for Ambari and Andrew Onischuk.


Bugs: AMBARI-10294
    https://issues.apache.org/jira/browse/AMBARI-10294


Repository: ambari


Description
-------

This is a regression introduced in 2.0.0.
When doing SSH bootstrap of hosts via Install Wizard, the hosts are shown as "Preparing".
When you click on the host, no information shows up. It gets stuck in this state until "Registering".
In 1.7.0, "Preparing" state was very brief and immediately switched to "Installing".
This is a BE issue.
API returns "RUNNING" without any information when installing Ambari Agent on the hosts.
This issue caused by absent of propagation fail of runing bootstrap.py (server side) to HostStatus
which are pooled by UI.
So If bootstrap.py has syntax errors or fails while imports python modules it cant create
*.log and *.done files, so java code can wait infinitely until *.done file will be created.
So solution of this issue is to propagate fatal errors of bootstrap.py to hostStatus info.
In this case, setup of agents will fail and root cause of issue will be sent to UI


Diffs
-----

  ambari-server/src/main/java/org/apache/ambari/server/bootstrap/BSHostStatusCollector.java
cf3ee64 
  ambari-server/src/main/java/org/apache/ambari/server/bootstrap/BSRunner.java fe873d7 

Diff: https://reviews.apache.org/r/33478/diff/


Testing (updated)
-------

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Ambari Views ...................................... SUCCESS [4.337s]
[INFO] Ambari Metrics Common ............................. SUCCESS [2.008s]
[INFO] Ambari Server ..................................... SUCCESS [53:37.014s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 53:46.209s
[INFO] Finished at: Thu Apr 23 15:58:16 EEST 2015
[INFO] Final Memory: 34M/313M
[INFO] ------------------------------------------------------------------------


Thanks,

Dmitro Lisnichenko


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