[Bug 1987242] Re: Gateways information are not exposed via OpenStack cli

[Giuseppe Petralia]

** Also affects: charm-ovn-central
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1987242

Title:
  Gateways information are not exposed via OpenStack cli

Status in charm-ovn-central:
  New
Status in networking-ovn:
  New
Status in neutron package in Ubuntu:
  New
Status in ovn package in Ubuntu:
  New

Bug description:
  Using OpenStack/OVN, routers gateways information are only available
  via Open Virtual Network northbound db management utility (ovn-nbctl)
  [0]. This tool requires root access to the OVN NB DB leader.

  As an operator, I would like to use OpenStack API to retrieve similar
  information to what is exposed by ovn-nbctl and being able to perform
  set/del of  gateways routers.

  Current features missing:

  1. get list of ovn-chassis assigned to a gateway with priority.

     This is currently available via:

     ovn-nbctl lrp-get-gateway-chassis <lrp-port>

     but should be available via something similar to:

     openstack network agent list --router <uuid>

  2. Set gateway chassis for port with a priority

     This is currently available via:

     ovn-nbctl lrp-set-gateway-chassis <lrp-port> <chassis> [priority]

     but should be available via something similar to:

     openstack network agent set --router <uuid> [--priority <priority>]
  <agent-uuid>

  3. Deletes gateway chassis from port

     This is currently available via:

     ovn-nbctl lrp-del-gateway-chassis <lrp-port> <chassis>

     but should be available via something similar to:

     openstack network agent unset --router <uuid> <agent-uuid>


  
  [0] https://manpages.ubuntu.com/manpages/bionic/man8/ovn-nbctl.8.html

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