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From Yusaku Sako <yus...@hortonworks.com>
Subject Re: Need pointers to build HA capabilty for a custom Stack in Ambari
Date Fri, 06 Jan 2017 18:54:20 GMT
Hi Souvik,

Unfortunately, much of configuration / orchestration logic for supporting HA still live in
Ambari Web.
Ideally this needs to be declarative / pluggable so that it lives in the stack/service definition,
rather than be hardcoded into Ambari Web.

+dev list

Yusaku

From: Souvik Sarkhel
Reply-To: "user@ambari.apache.org<mailto:user@ambari.apache.org>"
Date: Friday, January 6, 2017 at 10:47 AM
To: "user@ambari.apache.org<mailto:user@ambari.apache.org>"
Subject: Re: Need pointers to build HA capabilty for a custom Stack in Ambari


Hi All,

I have developed a custom stack for Ambari which is working completely fine.
Now I need to add HA capability for a few components like Hadoop,ResourceManager,Tomcat etc.The
problem is I can't use any of the existing components of HDP stack.
Thus I am looking for pointers from where I can start how HA can be implemented.
I have found some information like in the files located under ambari<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00>/ambari-web<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web>/app<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app>/controllers<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers>/main<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers/main>/admin<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers/main/admin>/highAvailability/
,so can someone please tell me whether I am looking in the correct direction and if I am correct
then the whole HA capability part lies in ambari-web project and not under ambari-server project?

Thanks,
Souvik Sarkhel

On Dec 28, 2016 10:10 PM, "Souvik Sarkhel" <souvik.sarkhel@gmail.com<mailto:souvik.sarkhel@gmail.com>>
wrote:
Hi All,

I have developed a custom stack for Ambari which is working completely fine.
Now I need to add HA capability for a few components like Hadoop,ResourceManager,Tomcat etc.The
problem is I can't use any of the existing components of HDP stack.
Thus I am looking for pointers from where I can start how HA can be implemented.
I have found some information like in the files located under ambari<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00>/ambari-web<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web>/app<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app>/controllers<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers>/main<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers/main>/admin<https://github.com/apache/ambari/tree/0fa8238c7eda8a2b3fa826d8aafb97ee64f27e00/ambari-web/app/controllers/main/admin>/highAvailability/
,so can someone please tell me whether I am looking in the correct direction and if I am correct
then the whole HA capability part lies in ambari-web project and not under ambari-server project?

--
Souvik Sarkhel
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