Querying Extension APIs

Function

This API is used to query extension APIs.

URI

• URI format

  GET /v3/{project_id}/extensions

• Parameter description

  Parameter	Mandatory	Description
  project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.

Request

• Example request

  GET https://{endpoint}/v3/{project_id}/extensions

Response

• Parameter description

  Parameter	Type	Description
  extensions	list	Specifies the extension APIs. For details, see Parameters in the extensions field.
  error	Object	Specifies the error message returned when an error occurs. For details, see Parameters in the error field.

• Parameters in the extensions field

  Parameter	Type	Description
  updated	String	Specifies the last update time. Time format: UTC YYYY-MM-DDTHH:MM:SS.+XX.XX
  description	String	Specifies the description.
  links	list<map<String,String>>	The reserved field.
  alias	String	Specifies the extension parameter alias.
  name	String	Specifies the extension parameter name.

• Parameters in the error field

  Parameter	Type	Description
  message	String	The error message returned if an error occurs.
  code	String	The error code returned if an error occurs. For details about the error code, see Error Codes.

• Example response

  {
      "extensions": [
          {
              "updated": "2013-04-18T00:00:00+00:00", 
              "name": "SchedulerHints", 
              "links": [ ], 
              "alias": "OS-SCH-HNT", 
              "description": "Pass arbitrary key/value pairs to the scheduler."
          }, 
          {
              "updated": "2011-06-29T00:00:00+00:00", 
              "name": "Hosts", 
              "links": [ ], 
              "alias": "os-hosts", 
              "description": "Admin-only host administration."
          }, 
          {
              "updated": "2011-11-03T00:00:00+00:00", 
              "name": "VolumeTenantAttribute", 
              "links": [ ], 
              "alias": "os-vol-tenant-attr", 
              "description": "Expose the internal project_id as an attribute of a volume."
          }, 
          {
              "updated": "2011-08-08T00:00:00+00:00", 
              "name": "Quotas", 
              "links": [ ], 
              "alias": "os-quota-sets", 
              "description": "Quota management support."
          }, 
          {
              "updated": "2011-08-24T00:00:00+00:00", 
              "name": "TypesManage", 
              "links": [ ], 
              "alias": "os-types-manage", 
              "description": "Types manage support."
          }, 
          {
              "updated": "2013-07-10T00:00:00+00:00", 
              "name": "VolumeEncryptionMetadata", 
              "links": [ ], 
              "alias": "os-volume-encryption-metadata", 
              "description": "Volume encryption metadata retrieval support."
          }, 
          {
              "updated": "2012-12-12T00:00:00+00:00", 
              "name": "Backups", 
              "links": [ ], 
              "alias": "backups", 
              "description": "Backups support."
          }, 
          {
              "updated": "2013-07-16T00:00:00+00:00", 
              "name": "SnapshotActions", 
              "links": [ ], 
              "alias": "os-snapshot-actions", 
              "description": "Enable snapshot manager actions."
          }, 
          {
              "updated": "2012-05-31T00:00:00+00:00", 
              "name": "VolumeActions", 
              "links": [ ], 
              "alias": "os-volume-actions", 
              "description": "Enable volume actions
      "
          }, 
          {
              "updated": "2013-10-03T00:00:00+00:00", 
              "name": "UsedLimits", 
              "links": [ ], 
              "alias": "os-used-limits", 
              "description": "Provide data on limited resources that are being used."
          }, 
          {
              "updated": "2012-05-31T00:00:00+00:00", 
              "name": "VolumeUnmanage", 
              "links": [ ], 
              "alias": "os-volume-unmanage", 
              "description": "Enable volume unmanage operation."
          }, 
          {
              "updated": "2011-11-03T00:00:00+00:00", 
              "name": "VolumeHostAttribute", 
              "links": [ ], 
              "alias": "os-vol-host-attr", 
              "description": "Expose host as an attribute of a volume."
          }, 
          {
              "updated": "2013-07-01T00:00:00+00:00", 
              "name": "VolumeTypeEncryption", 
              "links": [ ], 
              "alias": "encryption", 
              "description": "Encryption support for volume types."
          }, 
          {
              "updated": "2013-06-27T00:00:00+00:00", 
              "name": "AvailabilityZones", 
              "links": [ ], 
              "alias": "os-availability-zone", 
              "description": "Describe Availability Zones."
          }, 
          {
              "updated": "2013-08-02T00:00:00+00:00", 
              "name": "Qos_specs_manage", 
              "links": [ ], 
              "alias": "qos-specs", 
              "description": "QoS specs support."
          }, 
          {
              "updated": "2011-08-24T00:00:00+00:00", 
              "name": "TypesExtraSpecs", 
              "links": [ ], 
              "alias": "os-types-extra-specs", 
              "description": "Type extra specs support."
          }, 
          {
              "updated": "2013-08-08T00:00:00+00:00", 
              "name": "VolumeMigStatusAttribute", 
              "links": [ ],  
              "alias": "os-vol-mig-status-attr", 
              "description": "Expose migration_status as an attribute of a volume."
          }, 
          {
              "updated": "2012-08-13T00:00:00+00:00", 
              "name": "CreateVolumeExtension", 
              "links": [ ], 
              "alias": "os-image-create", 
              "description": "Allow creating a volume from an image in the Create Volume v1 API."
          }, 
          {
              "updated": "2014-01-10T00:00:00-00:00", 
              "name": "ExtendedServices", 
              "links": [ ],  
              "alias": "os-extended-services", 
              "description": "Extended services support."
          }, 
          {
              "updated": "2012-06-19T00:00:00+00:00", 
              "name": "ExtendedSnapshotAttributes", 
              "links": [ ], 
              "alias": "os-extended-snapshot-attributes", 
              "description": "Extended SnapshotAttributes support."
          }, 
          {
              "updated": "2012-12-07T00:00:00+00:00", 
              "name": "VolumeImageMetadata", 
              "links": [ ], 
              "alias": "os-vol-image-meta", 
              "description": "Show image metadata associated with the volume."
          }, 
          {
              "updated": "2012-03-12T00:00:00+00:00", 
              "name": "QuotaClasses", 
              "links": [ ], 
              "alias": "os-quota-class-sets", 
              "description": "Quota classes management support."
          }, 
          {
              "updated": "2013-05-29T00:00:00+00:00", 
              "name": "VolumeTransfer", 
              "links": [ ], 
              "alias": "os-volume-transfer", 
              "description": "Volume transfer management support."
          }, 
          {
              "updated": "2014-02-10T00:00:00+00:00", 
              "name": "VolumeManage", 
              "links": [ ],  
              "alias": "os-volume-manage", 
              "description": "Allows existing backend storage to be 'managed' by Cinder."
          }, 
          {
              "updated": "2012-08-25T00:00:00+00:00", 
              "name": "AdminActions", 
              "links": [ ],  
              "alias": "os-admin-actions", 
              "description": "Enable admin actions."
          }, 
          {
              "updated": "2012-10-28T00:00:00-00:00", 
              "name": "Services", 
              "links": [ ],  
              "alias": "os-services", 
              "description": "Services support."
          }
      ]
  }

  or

  {
      "error": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

  In the preceding example, error indicates a general error, for example, badRequest or itemNotFound. An example is provided as follows:

  {
      "badRequest": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

Status Codes

• Normal

  200

Error Codes

For details, see Error Codes.