Currently we have JIRA 6.3, Stash 3.6 and Confluence 5.7 hosted on our infrastructure and attached them to our active directory.
During recurring maintenance activities (e.g. the one we have planned now to upgrade to JIRA Software, Bitbucket 4 and Confluence 5.9) we'd like to be able to prevent all users from login in or performing any actions/checkins - except for system administrators (they of course need to be able to do whatever they need).
Our first try was removing the jira-users/stash-users/confluence-users group from the Global Permissions, so they don't have the rights to login.
However, during the application's upgrade process on our test instance we noticed that the groups are added again automatically to the corresponding permissions during upgrade installation. So after upgrade has finished the users would automatically be able to login again. But this is not what we want, because after the upgrade installation we still want to be able to perform further maintenance and tests before allowing the users to login again.
Is there any maintenance mode that can be enabled or something similar? Or how do you prevent your users from login in?