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[Ukesh <ukeshkumar@xxxxxxxxx>]

With the current api design, we have to do multiple request to get the
extra-spec of all the flavors.

extra-spec information is not returned in '/v2.1/​{tenant_id}​/flavors'
as well as in '/v2.1/​{tenant_id}​/flavors/details' api(s) and so, to
get extra-spec for every single flavor, we have to call the api,
'/v2.1/​{tenant_id}​/flavors/​{flavor_id}​/os-extra_specs'.

** Changed in: nova
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1619161

Title:
  flavor-list need return the extra-specs information directly

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  Description
  ===========
  Now the command of nova flavor-list --extra-specs can view 
  extra-specs information, but I use --debug to see a lot of 
  http GET requests for getting the extra_specs information
  of each flavor.

  With the increase of the flavors, it will get more and more 
  GET requests. This will affect the performance of the query.

  I think that the query returns a list of flavor, it should 
  directly contain extra_specs information.

  Steps to reproduce
  ==================
  A chronological list of steps which will bring off the
  issue you noticed:
  * I performed the command:
    $ nova --debug flavor-list --extra-specs

  Environment
  ===========
  1. Exact version of OpenStack
   Mitaka

  
  Logs & Configs
  ==============
  The debug info:
  DEBUG (session:195) REQ: curl -g -i -X GET http://10.43.239.62:8774/v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/1/os-extra_specs -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}ae80c1ee126b1a4464c13c843706cc6a5b1bf259"
  DEBUG (connectionpool:368) "GET /v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/1/os-extra_specs HTTP/1.1" 200 66
  DEBUG (session:224) RESP: [200] date: Thu, 01 Sep 2016 06:27:08 GMT connection: keep-alive content-type: application/json content-length: 66 x-compute-request-id: req-15182618-4b28-4c78-87ef-d51f8da309f3 
  RESP BODY: {"extra_specs": {}}

  DEBUG (session:195) REQ: curl -g -i -X GET http://10.43.239.62:8774/v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/2/os-extra_specs -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}ae80c1ee126b1a4464c13c843706cc6a5b1bf259"
  DEBUG (connectionpool:368) "GET /v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/2/os-extra_specs HTTP/1.1" 200 19
  DEBUG (session:224) RESP: [200] date: Thu, 01 Sep 2016 06:27:09 GMT connection: keep-alive content-type: application/json content-length: 19 x-compute-request-id: req-b519d74e-ed98-48e9-90be-838287f7e407 
  RESP BODY: {"extra_specs": {}}

  DEBUG (session:195) REQ: curl -g -i -X GET http://10.43.239.62:8774/v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/3/os-extra_specs -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}ae80c1ee126b1a4464c13c843706cc6a5b1bf259"
  DEBUG (connectionpool:368) "GET /v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/3/os-extra_specs HTTP/1.1" 200 19
  DEBUG (session:224) RESP: [200] date: Thu, 01 Sep 2016 06:27:09 GMT connection: keep-alive content-type: application/json content-length: 19 x-compute-request-id: req-ad796e53-e8be-4caa-b182-219a1f3e63ca 
  RESP BODY: {"extra_specs": {}}

  DEBUG (session:195) REQ: curl -g -i -X GET http://10.43.239.62:8774/v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/97/os-extra_specs -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}ae80c1ee126b1a4464c13c843706cc6a5b1bf259"
  DEBUG (connectionpool:368) "GET /v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/97/os-extra_specs HTTP/1.1" 200 39
  DEBUG (session:224) RESP: [200] date: Thu, 01 Sep 2016 06:27:09 GMT connection: keep-alive content-type: application/json content-length: 39 x-compute-request-id: req-4c8d466e-d013-4549-ae74-8ea4ca578061 
  RESP BODY: {"extra_specs": {"hw:numa_nodes": "1"}}

  DEBUG (session:195) REQ: curl -g -i -X GET http://10.43.239.62:8774/v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/99/os-extra_specs -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}ae80c1ee126b1a4464c13c843706cc6a5b1bf259"
  DEBUG (connectionpool:368) "GET /v2/ed952123e0cc4ced9e581a7710bc24d5/flavors/99/os-extra_specs HTTP/1.1" 200 39
  DEBUG (session:224) RESP: [200] date: Thu, 01 Sep 2016 06:27:09 GMT connection: keep-alive content-type: application/json content-length: 39 x-compute-request-id: req-9663e309-b421-45dd-9d6a-43f5a5464eab 
  RESP BODY: {"extra_specs": {"hw:numa_nodes": "2"}}

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