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[Isaku Yamahata <1639539@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

security group/security group rule bulk creation is (potentially)
broken.

neutron/db/securitygroups_db.SecurityGroupDbMixin.create_security_group[_rule]_bluk
calls _create_bulk which calls create_security_group[_rule]() within db transaction.
This implentation isn't correct because create_security_group[_rule] calls AFTER_CRATE callback
which shouldn't be called within db transaction.

The solution is to implement its own bulk create operation like neutron.plugins.ml2.plugin.Ml2Plugin._create_bluk_ml2
which knows about precommit/postcommit.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1639539

Title:
  security group/security group rule bulk creation is broken

Status in neutron:
  New

Bug description:
  security group/security group rule bulk creation is (potentially)
  broken.

  neutron/db/securitygroups_db.SecurityGroupDbMixin.create_security_group[_rule]_bluk
  calls _create_bulk which calls create_security_group[_rule]() within db transaction.
  This implentation isn't correct because create_security_group[_rule] calls AFTER_CRATE callback
  which shouldn't be called within db transaction.

  The solution is to implement its own bulk create operation like neutron.plugins.ml2.plugin.Ml2Plugin._create_bluk_ml2
  which knows about precommit/postcommit.

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