RANGER-5749: Limit concurrent Ranger Admin UI sessions per user - #1235
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eoinmcdonnell113 wants to merge 1 commit into
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eoinmcdonnell113 wants to merge 1 commit into
eoinmcdonnell113 wants to merge 1 commit into
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Cherry-pick of 1641c7d (apache#1200) from master. https://issues.apache.org/jira/browse/RANGER-5749 (cherry picked from commit 1641c7d)
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Cherry-pick of 1641c7d (#1200) from master.
https://issues.apache.org/jira/browse/RANGER-5749
(cherry picked from commit 1641c7d)
What changes were proposed in this pull request?
RANGER-5749: Limit concurrent Ranger Admin UI sessions per user.
Adds ranger.session.limit.concurrency (default 0 = no limit). When the limit is exceeded, the oldest UI session for that user is expired so the new login succeeds. Plugin policy/tag/role download sessions do not count.
Form-login sessions are invalidated and sent to the Ranger login page. Knox SSO / Trusted Proxy sessions are marked expired and redirected to Knox login using the existing inactivity-timeout path.
JIRA: https://issues.apache.org/jira/browse/RANGER-5749
How was this patch tested?
Unit tests: TestSessionMgr, TestRangerHttpSessionListener, TestRangerKRBAuthenticationFilter (46 tests, 0 failures, 2 skipped).
Manual test on Ranger Admin Docker/UI with ranger.session.limit.concurrency=1: a second browser login as the same user expires the first session. The first browser is sent back to the Ranger login page.