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[Bug 1183277] Re: nicira network-gateway extension should list also gw connections

 

** Changed in: quantum
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1183277

Title:
  nicira network-gateway extension should list also gw connections

Status in OpenStack Quantum (virtual network service):
  Fix Released

Bug description:
  The nicira network-gateway extension currently return the lists of devices implementing the gw service, but not the list of connected ports.
  Even if connected ports can be retrieved by querying ports by --device_id=<gw_service_id>, this will not show the vlan ID used for the connection.

  Therefore, the gateway list operation can return a list of 'ports'. Each element will have the following attributes:
  - port_id
  - segmentation_type: flat, vlan
  - segmentation_id (0 in the flat case)

  This approach is to be preferred to the alternative where gateway id, segmentation type and segmentation id are added to the port, for two reasons:
  1 - no need for doing multiple queries to the quantum API
  2 - density of gw ports is << standard ports. Adding 3 API attributes when they are used by a tiny percentage of ports is not really efficient.

  the priority has been set to 'medium' even if technically nothing is
  broken, because users are losing functionality.

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