Add possibility to do a rolling apps update (extend ZDU functionality)

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      Problem Definition

      Apps downtime during the app upgrade process in Jira Server DC ends with users not being able to use the app.

      Suggested Solution

      As a Jira DC admin I would like plugins/apps/applications updates to be triggered sequentially and not in parallel on my DC nodes.

      The node which is currently performing the plugins/apps/applications update should be switched to MAINTENANCE mode (/status endpoint) so users are never affected by plugins/apps/applications updates.

      The described above functionality might extend the existing Zero Downtime Upgrades (ZDU) functionality in Jira Data Center.

      More on Zero Downtime Upgrades: https://confluence.atlassian.com/adminjiraserver/upgrading-jira-data-center-with-zero-downtime-938846953.html

              Assignee:
              Unassigned
              Reporter:
              Grazyna Kaszkur
              Votes:
              25 Vote for this issue
              Watchers:
              22 Start watching this issue

                Created:
                Updated: