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[Andrea Frittoli <1238536@xxxxxxxxxxxxxxxxxx>]

httplib2 is not setting content-length to 0 if the post body is empty
(https://code.google.com/p/httplib2/issues/detail?id=143).

Certain http servers won't be happy if the content length is not set.
Tempest rest client should do that.

** Also affects: tempest
   Importance: Undecided
       Status: New

** Bug watch added: code.google.com/p/httplib2/issues #143
   http://code.google.com/p/httplib2/issues/detail?id=143

** Changed in: tempest
     Assignee: (unassigned) => Andrea Frittoli (andrea-frittoli)

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https://bugs.launchpad.net/bugs/1238536

Title:
  POST with empty body results in 411 Error

Status in OpenStack Compute (Nova):
  Invalid
Status in Tempest:
  In Progress

Bug description:
  Some API commands don't need a body - for example allocating a
  floating IP.   However making a request without a body results in a
  411 error:

  curl -i https://compute.systestb.hpcloud.net/v2/21240759398822/os-floating-ips -H "Content-Type: application/xml" -H "Accept: application/xml" -H "X-Auth-Token: xxx" -X POST
  HTTP/1.1 411 Length Required
  nnCoection: close
  Content-Length: 284

  Fault Name: HttpRequestReceiveError
  Error Type: Default
  Description: Http request received failed
  Root Cause Code: -19013
  Root Cause : HTTP Transport: Couldn't determine the content length
  Binding State: CLIENT_CONNECTION_ESTABLISHED
  Service: null
  Endpoint: null

  
  Passing an Empty body works:
  curl -i https://compute.systestb.hpcloud.net/v2/21240759398822/os-floating-ips -H "Content-Type: application/xml" -H "Accept: application/xml" -H "X-Auth-Token: xxx" -X POST -d ''
  HTTP/1.1 200 OK
  Content-Length: 164
  Content-Type: application/xml; charset=UTF-8
  Date: Fri, 31 May 2013 11:13:26 GMT
  X-Compute-Request-Id: req-cc2ce740-6114-4820-8717-113ea1796142

  <?xml version='1.0' encoding='UTF-8'?>
  <floating_ip instance_id="None" ip="15.184.42.154" fixed_ip="None" id="3f9ce21c-d192-4478-8dd1-f7eb68d70133" pool="Ext-Net"/>

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