Jeff Hair created CLOUDSTACK-9317:
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Summary: Disabling static NAT on many IPs can leave wrong IPs on
the router
Key: CLOUDSTACK-9317
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9317
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Management Server, Virtual Router
Affects Versions: 4.7.0, 4.7.1, 4.7.2
Reporter: Jeff Hair
The current behavior of enabling or disabling static NAT will call the apply IP
associations method in the management server. The method is not thread-safe. If
it's called from multiple threads, each thread will load up the list of public
IPs in different states (add or revoke)--correct for the thread, but not
correct overall. Depending on execution order on the virtual router, the router
can end up with public IPs assigned to it that are not supposed to be on it
anymore. When another account acquires the same IP, this of course leads to
network problems.
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