ZhouHeng a9f26b81e2 revive neutron-fwaas project

This reverts commit caae7b6a6f5e8944dbe359b6472be2507bbf5e12.

Reason for revert:
Many users still need L3 firewalls and Inspur team wants to maintain
this project.
Neutron drivers team discussed the topic of the maintenance of
neutron-fwaas, and agreed to include neutron-fwaas again to Neutron
stadium[1].

Some updates have been made:
Remove use "autonested_transaction" method, see more [2]
Replace "neutron_lib.callbacks.registry.notify" with "registry.publish"
Replace rootwrap execution with privsep context execution.
Ensure db Models and migration scripts are sync, set table
firewall_group_port_associations_v2's two columns nullable=False

[1] https://meetings.opendev.org/meetings/neutron_drivers/2022/neutron_drivers.2022-01-28-14.00.log.html#l-14
[2] https://review.opendev.org/c/openstack/neutron-lib/+/761728

Change-Id: I14f551c199d9badcf25b9e65c954c012326d27cd

2022-03-01 01:01:47 +00:00

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Sample Neutron FWaaS Policy File

The following is a sample neutron-fwaas policy file for adaptation and use.

The sample policy can also be viewed in file form </_static/neutron-fwaas.policy.yaml.sample>.

Important

The sample policy file is auto-generated from neutron-fwaas when this documentation is built. You must ensure your version of neutron-fwaas matches the version of this documentation.

/_static/neutron-fwaas.policy.yaml.sample

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Sample Neutron FWaaS Policy File

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