Andrii Tkach created AMBARI-13123:
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Summary: Usability: do not force redirect the user to the
currently running wizard if another user logs in
Key: AMBARI-13123
URL: https://issues.apache.org/jira/browse/AMBARI-13123
Project: Ambari
Issue Type: Task
Components: ambari-web
Affects Versions: 2.0.0
Reporter: Andrii Tkach
Assignee: Andrii Tkach
Priority: Critical
Fix For: 2.2.0
When a user initiates "major" cluster reconfiguration operations, such as
Enable NameNode HA, Enable Kerberos, Add Hosts, Add Services, etc, the user
forces any user who accesses Ambari Web to be redirected to the wizard.
This unnecessarily restricts what the users can do, and also it is dangerous
because multiple users may interact with the wizard (or keep the wizards open
and multiple instances can make API calls with side effects, causing failure).
If users different from who initiated the major reconfiguration operation logs
in while the operation is still going on, the user should not be force
redirected, but instead be able to access the cluster in read-only mode with
some indication that "NameNode HA is being enabled", etc (much like what
happens when Rolling Upgrade is happening).
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