yahoo-eng-team team mailing list archive

[Kiran Totad <kiran.totad@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When user has stopped rabbitmq-server and tries to create a subnet and
delete that subnet , there is a race condition when rabbitmq-server is
restarted, i.e. subnet-delete output is displaying first then later
subnet-create output is displaying.

Steps to reproduce:-
1) In first terminal stop rabbitmq-server.
2) In second terminal create a subnet , there wont be any response to CLI , but there is a DB entry for subnet with <subnet_id> . This can be verified in other terminal by using "neutron subnet-list"
3) In Third terminal delete the subnet with that same <subnet_id> given in subnet-list. There wont be any response to CLI but the subnet gets deleted from DB. This can be verified in other terminal by using "neutron subnet-list"
4) Restart rabbitmq-server . 

Here user can see that subnet-delete output is getting displayed first
and then later subnet-create output is displayed. Here there is a race
condition that delete output is displayed before create.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1694606

Title:
  Race condition for subnet-delete and subnet-create

Status in neutron:
  New

Bug description:
  When user has stopped rabbitmq-server and tries to create a subnet and
  delete that subnet , there is a race condition when rabbitmq-server is
  restarted, i.e. subnet-delete output is displaying first then later
  subnet-create output is displaying.

  Steps to reproduce:-
  1) In first terminal stop rabbitmq-server.
  2) In second terminal create a subnet , there wont be any response to CLI , but there is a DB entry for subnet with <subnet_id> . This can be verified in other terminal by using "neutron subnet-list"
  3) In Third terminal delete the subnet with that same <subnet_id> given in subnet-list. There wont be any response to CLI but the subnet gets deleted from DB. This can be verified in other terminal by using "neutron subnet-list"
  4) Restart rabbitmq-server . 

  Here user can see that subnet-delete output is getting displayed first
  and then later subnet-create output is displayed. Here there is a race
  condition that delete output is displayed before create.

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