Hi,
Just configured devstack on Fedora 26, and by default glance_store
uses swift for image storage. When attempting to get a specific range
from a glance stored image, it's reporting range requests are not
supported e.g.:
$ curl -i -X GET -r 0-32 -H "X-Auth-Token: $auth_token"
http://10.169.104.255/image/v2/images/29b7aa
5e-3ec2-49b5-ab6b-d6cc5099f46c/file
HTTP/1.1 400 Bad Request
Date: Mon, 13 Nov 2017 10:43:23 GMT
Server: Apache/2.4.27 (Fedora) OpenSSL/1.1.0f-fips mod_wsgi/4.5.15
Python/2.7
Content-Length: 205
Content-Type: text/html; charset=UTF-8
x-openstack-request-id: req-5ed2239f-165b-406f-969b-5cc4ab8c632d
Connection: close
<html>
<head>
<title>400 Bad Request</title>
</head>
<body>
<h1>400 Bad Request</h1>
Getting images randomly from this store is not supported. Offset:
0, length: 33<br /><br />
</body>
Upon investigation, glance-api log is emitting:
Nov 13 10:45:31 devstack@g-api.service[22783]: #033[01;31mERROR
glance.location [#033[01;36mNone
req-ad6da3f0-ead1-486a-a873-d301f02b0888 #033[00;36mdemo
demo#033[01;31m] #033[01;35m#033[0│·····················1;31mGlance
tried all active locations to get data for image
29b7aa5e-3ec2-49b5-ab6b-d6cc5099f46c but all have failed.#033[00m:
StoreRandomGetNotSupported: Getting images randomly from this store is
notMDg4OCAjMDMzWzAwOzM2bW supported. Offset: 0, length: 33
The exception StoreRandomGetNotSupported is emitted by glance_store from
glance_store/capabilities.py:
op_exec_map = {
'get': (exceptions.StoreRandomGetNotSupported
if kwargs.get('offset') or kwargs.get('chunk_size') else
exceptions.StoreGetNotSupported),
'add': exceptions.StoreAddDisabled,
'delete': exceptions.StoreDeleteNotSupported}
Looking at _driver/swift/store.py I think range requests are supported,
it I've be unsuccessful in configuring it.
Does the glance_store swift driver support range requests ?
Can it be configured within a conf file, by somehow adding a capability ?
thanks
Matt
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