API Overview

This section describes some of the most commonly used Cinder API calls and their corresponding CLI commands. It is not meant to be a comprehensive list that is representative of all functionality present in Cinder; for more information, please refer to the OpenStack Configuration Reference.

 Volume API

Table 4.1, “Cinder API Overview - Volume” specifies the valid operations that can be performed on Cinder volumes. Please note that Cinder volumes are identified as CLI command arguments by either their names or UUID.

Table 4.1. Cinder API Overview - Volume
Operation CLI Command Description
Create cinder create Create a Cinder volume of specified size; optional name, availability zone, volume type
Delete cinder delete Delete an existing Cinder volume; the cinder force-delete command may be required if the Cinder volume is in an error state
Edit cinder metadata Set or unset metadata on a Cinder volume
Extend cinder extend Increase the capacity of a Cinder volume to the specified size
List cinder list List all Cinder volumes
Migrate cinder migrate Move a Cinder volume to a new Cinder backend (specified by name)
Show cinder show Show details about a Cinder volume
Upload as image cinder upload-to-image Upload a Cinder volume to the OpenStack Image Service
Manage cinder manage Bring an existing storage object under Cinder management with specified source-name, source-id; optional name, availability zone, volume type
Unmanage cinder unmanage Cease management of an existing Cinder volume without deleting the backing storage object.

 Snapshot API

Table 4.2, “Cinder API Overview - Snapshot” specifies the valid operations that can be performed on Cinder snapshots. Please note that Cinder snapshots are identified as CLI command arguments by either their display name or UUID.

Table 4.2. Cinder API Overview - Snapshot
Operation CLI Command Description
Create cinder snapshot-create Create a Cinder snapshot of a specific Cinder volume
Delete cinder snapshot-delete Delete a Cinder snapshot
Edit cinder snapshot-metadata Set or unset metadata on a Cinder snapshot
List cinder snapshot-list List all Cinder snapshots
Rename cinder snapshot-rename Change the display-name of a Cinder snapshot
Reset State cinder snapshot-reset-state Reset the state of a Cinder snapshot
Show cinder snapshot-show Show details about a Cinder snapshot

 Volume Type API

Table 4.3, “Cinder API Overview - Volume Type” specifies the valid operations that can be performed on Cinder volume types. Please note that Cinder volume types are identified as CLI command arguments by either their display name or UUID.

Table 4.3. Cinder API Overview - Volume Type
Operation CLI Command Description
Create cinder type-create Create a Cinder volume type
Delete cinder type-delete Delete a Cinder volume type
List cinder type-list List existing Cinder volume type

 Volume Type Extra Specs API

Table 4.4, “Cinder API Overview - Volume Type Extra Specs” specifies the valid operations that can be performed on Cinder volume type extra specs. Please note that Cinder volume type extra specs are properties of Cinder volume types and are identified by their parent object.

Table 4.4. Cinder API Overview - Volume Type Extra Specs
Operation CLI Command Description
Set extra specs cinder type-key vtype set Assign extra specs to Cinder volume type
Unset extra specs cinder type-key vtype unset Remove extra specs from Cinder volume type

 Volume Type QoS Specs API

Table 4.5, “Cinder API Overview - Volume Type QoS Specs” specifies the valid operations that can be performed on Cinder volume type QoS specs. Please note that Cinder volume type QoS specs are created independently of Cinder volume types and are subsequently associated with a Cinder volume type.

Table 4.5. Cinder API Overview - Volume Type QoS Specs
Operation CLI Command Description
Create QoS specs cinder qos-create Create a Cinder QoS Spec
Delete QoS specs cinder qos-delete Delete a Cinder QoS Spec
List QoS specs cinder qos-list List existing Cinder QoS Specs
Show cinder qos-show Show details about a Cinder QoS Spec
Associate QoS specs cinder qos-associate Associate a Cinder QoS Spec with a Cinder volume type
Disassociate QoS specs cinder qos-disassociate Disassociate a Cinder QoS Spec from a Cinder volume type
Edit QoS spec cinder qos-key Set or unset specifications for a Cinder QoS Spec


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