** Changed in: charm-barbican
Status: Fix Committed => Fix Released
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Title:
[19.04][stein] barbican-worker is down: Requested revision
** Changed in: charm-barbican
Milestone: None => 21.04
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
Reviewed: https://review.opendev.org/c/openstack/charm-barbican/+/756931
Committed:
https://opendev.org/openstack/charm-barbican/commit/ca80b266ed831813a2a9ecec84d288ec3f8f5104
Submitter: "Zuul (22348)"
Branch:master
commit ca80b266ed831813a2a9ecec84d288ec3f8f5104
Author: David Ames
Date:
** Changed in: charm-barbican
Milestone: 21.01 => None
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Milestone: 20.10 => 21.01
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: barbican (Ubuntu)
Status: New => Invalid
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
The fix [0] will resolve this bug but is currently blocked by LP
Bug#1899104 [1].
[0] https://review.opendev.org/756931
[1] https://bugs.launchpad.net/ubuntu/+source/barbican/+bug/1899104
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Fix proposed to branch: master
Review: https://review.opendev.org/756931
** Changed in: charm-barbican
Status: Triaged => In Progress
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** Changed in: charm-barbican
Assignee: (unassigned) => David Ames (thedac)
** Changed in: charm-barbican
Milestone: None => 20.10
** Changed in: charm-barbican
Status: New => Triaged
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** Changed in: charm-barbican
Status: In Progress => New
** Changed in: charm-barbican
Assignee: James Page (james-page) => (unassigned)
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After additional debug and research I can confirm the issue is the
result of a race-condition situation when multiple barbican-worker units
trying to populate the database with schema data simultaneously and
upgrade the alembic version.
As a result the barbican-worker service will stop because it
Doing some research.
1) I don't think this is more than one charm unit trying to do migrations at
the same time (comment #2)
2) The problem is barbican itself failing per the Traceback
3) My current theory is a failed migration attempt that leaves behind two
alembic versions.
Per [1] we should
** Changed in: charm-barbican
Milestone: 20.08 => None
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Milestone: 20.05 => 20.08
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Milestone: 20.01 => 20.05
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Milestone: 19.10 => 20.01
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Milestone: 19.07 => 19.10
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Title:
[19.04][stein] barbican-worker is down: Requested revision
1a0c2cdafb38
** Changed in: charm-barbican
Assignee: (unassigned) => James Page (james-page)
** Changed in: charm-barbican
Status: Triaged => In Progress
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TRIAGE:
I suspect we are not limiting the db migration to only the leader.
Guarantee only the leader runs the migration.
** Changed in: charm-barbican
Status: New => Triaged
** Changed in: charm-barbican
Importance: Undecided => Critical
** Changed in: charm-barbican
Milestone:
Added the UCA package as well as I am not exactly sure where the root
cause is.
The logs attached above point to a synchronization issue in the charm
code because it looks to be that both units have similar errors but
"Table already exists" messages appear for different databases in
different
** Description changed:
After deploying barbican (stein, 19.04 charms) I got into a situation
where both workers (two-node HA) are down due to a failed alembic
migration:
- https://private-fileshare.canonical.com/~dima/charm-dumps/barbican-0
- -var-log.tar.gz
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