I think this particular API and its associated command (nova image-meta)
have been deprecated for a while.
I see no specific Glance issue here; feel free to reopen if you think
otherwise.
** Changed in: glance
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1269935
Title:
Updating image metadata fails when value contains newline (\n)
Status in Glance:
Invalid
Bug description:
This is a correct request/response (Via LibCloud) to set metadata
(without the newline)
The metadata I am attempting to add is: {"application_description":
"10chartest", "application_version":"1"}
# -------- begin 66424056 request ----------
curl -i -X POST -H 'Host: xx.xx.xx.xx:8774' -H 'X-LC-Request-ID: 66424056' -H
'Accept-Encoding: gzip,deflate' -H 'X-Auth-Token: <REMOVED>' -H 'Content-Type:
application/json; charset=UTF-8' -H 'Content-Length: 83' -H 'Accept:
application/json' -H 'User-Agent: libcloud/0.14.0-beta3 (OpenStack) '
--data-binary '{"metadata": {"application_description": "10chartest",
"application_version": "1"}}' --compress
http://xx.xx.xx.xx:8774/v2/3db7423c206849749a77c19f347624bc/images/304fbf85-cc3f-4be6-a729-c5c9d190254f/metadata
# -------- begin 66424056:64395816 response ----------
HTTP/1.1 200 OK
Date: Thu, 16 Jan 2014 20:25:36 GMT
Content-Length: 256
Content-Type: application/json
X-Compute-Request-Id: req-99a0df3d-5432-444f-988f-fcd6d2765fe4
{"metadata": {"application_uuid": "d120cbca-1910-5542-b789-8dabc870c613",
"application_description": "10chartest", "application_tags": "[\"R\",
\"IGV\"]", "application_owner": "test", "application_name": "Visualization",
"application_version": "1"}}
# -------- end 66424056:64395816 response ----------
This is the same request with a newline character as part of the value for
the key 'application_description'
The metadata I am attempting to add is: {"application_description":
"10char\ntest", "application_version":"1"}
# -------- begin 66422544 request ----------
curl -i -X POST -H 'Host: xx.xx.xx.xx:8774' -H 'X-LC-Request-ID: 66422544' -H
'Accept-Encoding: gzip,deflate' -H 'X-Auth-Token: <REMOVED>' -H 'Content-Type:
application/json; charset=UTF-8' -H 'Content-Length: 85' -H 'Accept:
application/json' -H 'User-Agent: libcloud/0.14.0-beta3 (OpenStack) '
--data-binary '{"metadata": {"application_description": "10char\ntest",
"application_version": "1"}}' --compress
http://xx.xx.xx.xx:8774/v2/3db7423c206849749a77c19f347624bc/images/304fbf85-cc3f-4be6-a729-c5c9d190254f/metadata
# -------- begin 66422544:64395816 response ----------
HTTP/1.1 200 OK
Date: Thu, 16 Jan 2014 20:25:46 GMT
Content-Length: 224
Content-Type: application/json
X-Compute-Request-Id: req-00caedb5-dedc-44fe-95e4-b48cf93e64ba
{"metadata": {"application_name": "Visualization", "application_uuid":
"d120cbca-1910-5542-b789-8dabc870c613", "application_description": "10char",
"application_owner": "test", "application_tags": "[\"R\", \"IGV\"]"}}
# -------- end 66422544:64395816 response ----------
The second request has two errors:
1. All of the characters following the \n have been removed from the metadata
2. The 'application_version' metadata key-value pair has also been deleted
from the image's metadata.
Other notes:
In my testing of this error, the application_version metadata item
would be deleted even if it previously existed in image metadata and
even when application_version was never intended to be set in the
request above.
The 'maxImageMeta' is set to 128, so the # of metadata items should
not be limited, and the response is returning a 200 OK, even when the
output data does not match the input data, and whole metadata items
are missing.
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