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Client library for the Cinder API
Python Shell

Fix typo in comment message

an request => a request
rest => resp
exception_from_response() => exceptions.from_response() '.' operator means call
from_response() in exceptions module.

Change-Id: I5e780dd2882b39d1b39f7c64bf274e90934c09ec
Signed-off-by: Lin Yang <lin.a.yang@intel.com>
latest commit 56778a1220
Lin Yang authored

README.rst

Python bindings to the OpenStack Cinder API

This is a client for the OpenStack Cinder API. There's a Python API (the cinderclient module), and a command-line script (cinder). Each implements 100% of the OpenStack Cinder API.

See the OpenStack CLI guide for information on how to use the cinder command-line tool. You may also want to look at the OpenStack API documentation.

The project is hosted on Launchpad, where bugs can be filed. The code is hosted on Github. Patches must be submitted using Gerrit, not Github pull requests.

This code a fork of Jacobian's python-cloudservers If you need API support for the Rackspace API solely or the BSD license, you should use that repository. python-cinderclient is licensed under the Apache License like the rest of OpenStack.

Command-line API

Installing this package gets you a shell command, cinder, that you can use to interact with any Rackspace compatible API (including OpenStack).

You'll need to provide your OpenStack username and password. You can do this with the --os-username, --os-password and --os-tenant-name params, but it's easier to just set them as environment variables:

export OS_USERNAME=openstack
export OS_PASSWORD=yadayada
export OS_TENANT_NAME=myproject

You will also need to define the authentication url with --os-auth-url and the version of the API with --os-volume-api-version. Or set them as environment variables as well:

export OS_AUTH_URL=http://example.com:8774/v1.1/
export OS_VOLUME_API_VERSION=1

If you are using Keystone, you need to set the OS_AUTH_URL to the keystone endpoint:

export OS_AUTH_URL=http://example.com:5000/v2.0/

Since Keystone can return multiple regions in the Service Catalog, you can specify the one you want with --os-region-name (or export OS_REGION_NAME). It defaults to the first in the list returned.

You'll find complete documentation on the shell by running cinder help:

usage: cinder [--debug] [--os-username <auth-user-name>]
              [--os-password <auth-password>]
              [--os-tenant-name <auth-tenant-name>] [--os-auth-url <auth-url>]
              [--os-region-name <region-name>] [--service-type <service-type>]
              [--service-name <service-name>]
              [--volume-service-name <volume-service-name>]
              [--endpoint-type <endpoint-type>]
              [--os-volume-api-version <compute-api-ver>]
              [--os-cacert <ca-certificate>] [--retries <retries>]
              <subcommand> ...

Command-line interface to the OpenStack Cinder API.

Positional arguments:
  <subcommand>
    absolute-limits     Print a list of absolute limits for a user
    create              Add a new volume.
    credentials         Show user credentials returned from auth
    delete              Remove a volume.
    endpoints           Discover endpoints that get returned from the
                        authenticate services
    extra-specs-list    Print a list of current 'volume types and extra specs'
                        (Admin Only).
    list                List all the volumes.
    quota-class-show    List the quotas for a quota class.
    quota-class-update  Update the quotas for a quota class.
    quota-defaults      List the default quotas for a tenant.
    quota-show          List the quotas for a tenant.
    quota-update        Update the quotas for a tenant.
    rate-limits         Print a list of rate limits for a user
    rename              Rename a volume.
    show                Show details about a volume.
    snapshot-create     Add a new snapshot.
    snapshot-delete     Remove a snapshot.
    snapshot-list       List all the snapshots.
    snapshot-rename     Rename a snapshot.
    snapshot-show       Show details about a snapshot.
    type-create         Create a new volume type.
    type-delete         Delete a specific volume type
    type-key            Set or unset extra_spec for a volume type.
    type-list           Print a list of available 'volume types'.
    bash-completion     Prints all of the commands and options to stdout so
                        that the
    help                Display help about this program or one of its
                        subcommands.
    list-extensions     List all the os-api extensions that are available.

Optional arguments:
  -d, --debug               Print debugging output
  --os-username <auth-user-name>
                        Defaults to env[OS_USERNAME].
  --os-password <auth-password>
                        Defaults to env[OS_PASSWORD].
  --os-tenant-name <auth-tenant-name>
                        Defaults to env[OS_TENANT_NAME].
  --os-auth-url <auth-url>
                        Defaults to env[OS_AUTH_URL].
  --os-region-name <region-name>
                        Defaults to env[OS_REGION_NAME].
  --service-type <service-type>
                        Defaults to compute for most actions
  --service-name <service-name>
                        Defaults to env[CINDER_SERVICE_NAME]
  --volume-service-name <volume-service-name>
                        Defaults to env[CINDER_VOLUME_SERVICE_NAME]
  --endpoint-type <endpoint-type>
                        Defaults to env[CINDER_ENDPOINT_TYPE] or publicURL.
  --os-volume-api-version <compute-api-ver>
                        Accepts 1,defaults to env[OS_VOLUME_API_VERSION].
  --os-cacert <ca-certificate>
                        Specify a CA bundle file to use in verifying a TLS
                        (https) server certificate. Defaults to env[OS_CACERT]
  --retries <retries>   Number of retries.

Python API

There's also a complete Python API, but it has not yet been documented.

Quick-start using keystone:

# use v2.0 auth with http://example.com:5000/v2.0/")
>>> from cinderclient.v1 import client
>>> nt = client.Client(USER, PASS, TENANT, AUTH_URL, service_type="volume")
>>> nt.volumes.list()
[...]

See release notes and more at http://docs.openstack.org/developer/python-cinderclient/.

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