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From Jaimin Jetly <jai...@hortonworks.com>
Subject Re: Can "Delete" button on Ambari UI be disabled ?
Date Mon, 06 Feb 2017 22:12:24 GMT
Hi Di,

Existence of "Delete" button for a service is not stack driven.
Although on clicking delete action, UI asks end-user to first stop and delete any service
that depends on "being deleted" service.
This logic is stack driven.

So when user tries to delete a zookeeper service, ambari-web will ask user to first delete
other "many" services like HDFS, YARN, etc first since they are marked to require zookeeper
service in their service definition.

Again these restrictions are stack driven but these are made by ambari-web client and so user
can always use API to delete a service directly. In this case all "Delete Service" API checks
is that no host component of service should be in running state.


-- Thanks
    Jaimin
________________________________________
From: Di Li <osjiras@gmail.com>
Sent: Monday, February 06, 2017 1:43 PM
To: dev@ambari.apache.org
Subject: Can "Delete" button on Ambari UI be disabled ?

Hello folks,

Can "Delete" button on Ambari UI be disabled (via some stack service
configuration ) ?  For example, disable the Delete button for Zookeeper as
many services depend on it ?

Thanks.

Di

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