** Also affects: python-glanceclient
Importance: Undecided
Status: New
** Changed in: python-glanceclient
Assignee: (unassigned) => Pawel Koniszewski (pawel-koniszewski)
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https://bugs.launchpad.net/bugs/1367564
Title:
metadata definition property show should handle type specific prefix
Status in OpenStack Image Registry and Delivery Service (Glance):
In Progress
Status in Python client library for Glance:
New
Bug description:
metadata definition property show should handle type specific prefix
The metadata definitions API supports listing namespaces by resource
type. For example, you can list only namespaces applicable to images
by specifying OS::Glance::Image
The API also support showing namespace properties for a specific
resource type. The API will automatically prepend any prefix specific
to that resource type. For example, in the
OS::Compute::VirtCPUTopology namespace, the properties will come back
with "hw_" prepended.
However, if you then ask the API to show the property with the prefix,
it will return a "not found" error. To actually see the details of
the property, you have to know the base property (without the prefix).
It would be nice if the API would attempt to auto-resolve any
automatically prefixed properties when showing a property.
This is evident from the command line. If you look at the below
interactions, you will see the namespaces listed, then limited to a
particular resource type, then the properties shown for the namespace,
and then a failure to show the property using the automatically
prepended prefix.
* Apologize for formatting.
$ glance --os-image-api-version 2 md-namespace-list
+------------------------------------+
| namespace |
+------------------------------------+
| OS::Compute::VMware |
| OS::Compute::XenAPI |
| OS::Compute::Quota |
| OS::Compute::Libvirt |
| OS::Compute::Hypervisor |
| OS::Compute::Watchdog |
| OS::Compute::HostCapabilities |
| OS::Compute::Trust |
| OS::Compute::VirtCPUTopology |
| OS::Glance:CommonImageProperties |
| OS::Compute::RandomNumberGenerator |
+------------------------------------+
$ glance --os-image-api-version 2 md-namespace-list --resource-type
OS::Glance::Image
+------------------------------+
| namespace |
+------------------------------+
| OS::Compute::VMware |
| OS::Compute::XenAPI |
| OS::Compute::Libvirt |
| OS::Compute::Hypervisor |
| OS::Compute::Watchdog |
| OS::Compute::VirtCPUTopology |
+------------------------------+
$ glance --os-image-api-version 2 md-namespace-show
OS::Compute::VirtCPUTopology --resource-type OS::Glance::Image
+----------------------------+----------------------------------------------------------------------------------+
| Property | Value
|
+----------------------------+----------------------------------------------------------------------------------+
| created_at | 2014-09-10T02:55:40Z
|
| description | This provides the preferred socket/core/thread
counts for the virtual CPU |
| | instance exposed to guests. This enables the
ability to avoid hitting |
| | limitations on vCPU topologies that OS vendors
place on their products. See |
| | also:
http://git.openstack.org/cgit/openstack/nova-specs/tree/specs/juno/virt- |
| | driver-vcpu-topology.rst
|
| display_name | Virtual CPU Topology
|
| namespace | OS::Compute::VirtCPUTopology
|
| owner | admin
|
| properties | ["hw_cpu_cores", "hw_cpu_sockets",
"hw_cpu_maxsockets", "hw_cpu_threads", |
| | "hw_cpu_maxcores", "hw_cpu_maxthreads"]
|
| protected | True
|
| resource_type_associations | ["OS::Glance::Image", "OS::Cinder::Volume",
"OS::Nova::Flavor"] |
| schema | /v2/schemas/metadefs/namespace
|
| visibility | public
|
+----------------------------+----------------------------------------------------------------------------------+
ttripp@ubuntu:/opt/stack/glance$ glance --os-image-api-version 2
md-property-show OS::Compute::VirtCPUTopology hw_cpu_cores
Request returned failure status 404.
<html>
<head>
<title>404 Not Found</title>
</head>
<body>
<h1>404 Not Found</h1>
Could not find property hw_cpu_cores<br /><br />
</body>
</html> (HTTP 404)
ttripp@ubuntu:/opt/stack/glance$ glance --os-image-api-version 2
md-property-show OS::Compute::VirtCPUTopology cpu_cores
+-------------+---------------------------------------------------+
| Property | Value |
+-------------+---------------------------------------------------+
| description | Preferred number of cores to expose to the guest. |
| name | cpu_cores |
| title | vCPU Cores |
| type | integer |
+-------------+---------------------------------------------------+
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