Public bug reported:
That damn piece of code again.
In some cases when network is created for tenant and default security group is
created in the process, there may be concurrent network of sg creation
happening.
That leads to a condition when the code fetches default sg, it's not there,
tries to add it - it's already there, then it tries to fetch it again, but due
to REPEATABLE READ isolation method, the query returns empty result.
As a result, such logic will hang in the loop forever.
** Affects: neutron
Importance: High
Assignee: Eugene Nikanorov (enikanorov)
Status: New
** Tags: sg-fw
** Changed in: fuel
Assignee: (unassigned) => Eugene Nikanorov (enikanorov)
** Tags added: sg-fw
** Project changed: fuel => neutron
** Changed in: neutron
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1475938
Title:
create_security_group code may get into endless loop
Status in neutron:
New
Bug description:
That damn piece of code again.
In some cases when network is created for tenant and default security group
is created in the process, there may be concurrent network of sg creation
happening.
That leads to a condition when the code fetches default sg, it's not there,
tries to add it - it's already there, then it tries to fetch it again, but due
to REPEATABLE READ isolation method, the query returns empty result.
As a result, such logic will hang in the loop forever.
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