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[Rodolfo Alonso <2097431@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The OVN metadata response should be built according to the response.

When "curl -I" is sent, the HTTP method used is "HEAD". The request
returns the actual content length of the response with an empty body
because the request only needs the headers. The new ``webob.Response``
built should contain the response body (empty) but the actual content
length (zero).

Currently [1] the crafted response is receiving all the returned
headers. Instead of this, only 'content-type' header should be copied.
The length will be calculated from the body size.

[1]https://github.com/openstack/neutron/blob/a962fc636b7b3c410633a34aa0c6a146a60a8acd/neutron/agent/ovn/metadata/server_socket.py#L63

** Affects: neutron
     Importance: Medium
     Assignee: Rodolfo Alonso (rodolfo-alonso-hernandez)
         Status: In Progress

** Changed in: neutron
   Importance: Undecided => Medium

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

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https://bugs.launchpad.net/bugs/2097431

Title:
  [OVN] OVN metadata agent should build the response according to the
  content

Status in neutron:
  In Progress

Bug description:
  The OVN metadata response should be built according to the response.

  When "curl -I" is sent, the HTTP method used is "HEAD". The request
  returns the actual content length of the response with an empty body
  because the request only needs the headers. The new ``webob.Response``
  built should contain the response body (empty) but the actual content
  length (zero).

  Currently [1] the crafted response is receiving all the returned
  headers. Instead of this, only 'content-type' header should be copied.
  The length will be calculated from the body size.

  [1]https://github.com/openstack/neutron/blob/a962fc636b7b3c410633a34aa0c6a146a60a8acd/neutron/agent/ovn/metadata/server_socket.py#L63

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