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[lixiangjun <lixiangjun@xxxxxxxxxxxxxx>]

Public bug reported:

OS: centos 6.5 64bit
openstack release: icehouse

Steps to reproduce:
1. Call the image metadata API of nova using the following command:
 curl -X 'POST' -v http://IP:PORT/v2/${tenant_id}/images/${image_id}/metadata -H "X-Auth-Token: $token" -H 'Content-type: application/json' -d '{"metadata":{"Key1":"Value1"}}' | python -mjson.tool
2. Execute the above command again:
  curl -X 'POST' -v http://IP:PORT/v2/${tenant_id}/images/${image_id}/metadata -H "X-Auth-Token: $token" -H 'Content-type: application/json' -d '{"metadata":{"Key1":"Value1"}}' | python -mjson.tool

Expected result:
In step1, the json response should be:
  {"metadata":{"Key1":"Value1"}}
In setp2, the json response should be:
 {"metadata":{"Key1":"Value1"}}

Observed result: 
In step1, the json response is:
  {"metadata":{"key1":"Value1"}}
In setp2, the json response is:
 {"metadata":{"key1":"Value1,Value1"}}

Besides, we can observer that each image metadata key in table
image_properties of glance DB is converted to lowercase even if the key
user inputted contains uppercase letter.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1352193

Title:
  The nova API service can’t hand image metadata properly when metadata
  key contains uppercase letter

Status in OpenStack Compute (Nova):
  New

Bug description:
  OS: centos 6.5 64bit
  openstack release: icehouse

  Steps to reproduce:
  1. Call the image metadata API of nova using the following command:
   curl -X 'POST' -v http://IP:PORT/v2/${tenant_id}/images/${image_id}/metadata -H "X-Auth-Token: $token" -H 'Content-type: application/json' -d '{"metadata":{"Key1":"Value1"}}' | python -mjson.tool
  2. Execute the above command again:
    curl -X 'POST' -v http://IP:PORT/v2/${tenant_id}/images/${image_id}/metadata -H "X-Auth-Token: $token" -H 'Content-type: application/json' -d '{"metadata":{"Key1":"Value1"}}' | python -mjson.tool

  Expected result:
  In step1, the json response should be:
    {"metadata":{"Key1":"Value1"}}
  In setp2, the json response should be:
   {"metadata":{"Key1":"Value1"}}

  Observed result: 
  In step1, the json response is:
    {"metadata":{"key1":"Value1"}}
  In setp2, the json response is:
   {"metadata":{"key1":"Value1,Value1"}}

  Besides, we can observer that each image metadata key in table
  image_properties of glance DB is converted to lowercase even if the
  key user inputted contains uppercase letter.

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