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Client Library for OpenStack Identity

Project description

Python bindings to the OpenStack Identity API (Keystone)
========================================================

This is a client for the OpenStack Identity API, implemented by Keystone.
There's a Python API (the ``keystoneclient`` module), and a command-line script
(``keystone``).

Development takes place via the usual OpenStack processes as outlined in the
`OpenStack wiki`_. The master repository is on GitHub__.

__ http://wiki.openstack.org/HowToContribute
__ http://github.com/openstack/python-keystoneclient

This code a fork of `Rackspace's python-novaclient`__ which is in turn a fork
of `Jacobian's python-cloudservers`__. The python-keystoneclient is licensed
under the Apache License like the rest of OpenStack.

__ http://github.com/rackspace/python-novaclient
__ http://github.com/jacobian/python-cloudservers

.. contents:: Contents:
:local:

Python API
----------

By way of a quick-start::

# use v2.0 auth with http://example.com:5000/v2.0
>>> from keystoneclient.v2_0 import client
>>> keystone = client.Client(username=USERNAME, password=PASSWORD, tenant_name=TENANT, auth_url=AUTH_URL)
>>> keystone.tenants.list()
>>> tenant = keystone.tenants.create(tenant_name="test", description="My new tenant!", enabled=True)
>>> tenant.delete()


Command-line API
----------------

Installing this package gets you a shell command, ``keystone``, that you can
use to interact with OpenStack's Identity API.

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

export OS_TENANT_NAME=project
export OS_USERNAME=user
export OS_PASSWORD=pass

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

export OS_AUTH_URL=http://example.com:5000/v2.0
export OS_IDENTITY_API_VERSION=2.0

Alternatively, to bypass username/password authentication, you can provide a
pre-established token. In Keystone, this approach is necessary to bootstrap the
service with an administrative user, tenant & role (to do so, provide the
client with the value of your ``admin_token`` defined in ``keystone.conf`` in
addition to the URL of your admin API deployment, typically on port 35357)::

export OS_SERVICE_TOKEN=thequickbrownfox-jumpsover-thelazydog
export OS_SERVICE_ENDPOINT=http://example.com:35357/v2.0

Since the Identity service can return multiple regions in the service catalog,
you can specify the one you want with ``--os-region-name`` (or ``export
OS_REGION_NAME``)::

export OS_REGION_NAME=north

.. WARNING::

If a region is not specified and multiple regions are returned by the
Identity service, the client may not access the same region consistently.

If you need to connect to a server that is TLS-enabled (the auth URL begins
with 'https') and it uses a certificate from a private CA or a self-signed
certificate you will need to specify the path to an appropriate CA certificate
to use to validate the server certificate with ``--os-cacert`` or an
environment variable::

export OS_CACERT=/etc/ssl/my-root-cert.pem

Certificate verification can be turned off using ``--insecure``. This should
be used with caution.

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

usage: keystone [--version] [--timeout <seconds>]
[--os-username <auth-user-name>]
[--os-password <auth-password>]
[--os-tenant-name <auth-tenant-name>]
[--os-tenant-id <tenant-id>] [--os-auth-url <auth-url>]
[--os-region-name <region-name>]
[--os-identity-api-version <identity-api-version>]
[--os-token <service-token>]
[--os-endpoint <service-endpoint>]
[--os-cacert <ca-certificate>] [--insecure]
[--os-cert <certificate>] [--os-key <key>] [--os-cache]
[--force-new-token] [--stale-duration <seconds>]
<subcommand> ...

Command-line interface to the OpenStack Identity API.

Positional arguments:
<subcommand>
catalog
ec2-credentials-create
Create EC2-compatible credentials for user per tenant
ec2-credentials-delete
Delete EC2-compatible credentials
ec2-credentials-get
Display EC2-compatible credentials
ec2-credentials-list
List EC2-compatible credentials for a user
endpoint-create Create a new endpoint associated with a service
endpoint-delete Delete a service endpoint
endpoint-get
endpoint-list List configured service endpoints
password-update Update own password
role-create Create new role
role-delete Delete role
role-get Display role details
role-list List all roles
service-create Add service to Service Catalog
service-delete Delete service from Service Catalog
service-get Display service from Service Catalog
service-list List all services in Service Catalog
tenant-create Create new tenant
tenant-delete Delete tenant
tenant-get Display tenant details
tenant-list List all tenants
tenant-update Update tenant name, description, enabled status
token-get
user-create Create new user
user-delete Delete user
user-get Display user details.
user-list List users
user-password-update
Update user password
user-role-add Add role to user
user-role-list List roles granted to a user
user-role-remove Remove role from user
user-update Update user's name, email, and enabled status
discover Discover Keystone servers, supported API versions and
extensions.
bootstrap Grants a new role to a new user on a new tenant, after
creating each.
bash-completion Prints all of the commands and options to stdout.
help Display help about this program or one of its
subcommands.

Optional arguments:
--version Shows the client version and exits
--timeout <seconds> Set request timeout (in seconds)
--os-username <auth-user-name>
Name used for authentication with the OpenStack
Identity service. Defaults to env[OS_USERNAME]
--os-password <auth-password>
Password used for authentication with the OpenStack
Identity service. Defaults to env[OS_PASSWORD]
--os-tenant-name <auth-tenant-name>
Tenant to request authorization on. Defaults to
env[OS_TENANT_NAME]
--os-tenant-id <tenant-id>
Tenant to request authorization on. Defaults to
env[OS_TENANT_ID]
--os-auth-url <auth-url>
Specify the Identity endpoint to use for
authentication. Defaults to env[OS_AUTH_URL]
--os-region-name <region-name>
Defaults to env[OS_REGION_NAME]
--os-identity-api-version <identity-api-version>
Defaults to env[OS_IDENTITY_API_VERSION] or 2.0
--os-token <service-token>
Specify an existing token to use instead of retrieving
one via authentication (e.g. with username &
password). Defaults to env[OS_SERVICE_TOKEN]
--os-endpoint <service-endpoint>
Specify an endpoint to use instead of retrieving one
from the service catalog (via authentication).
Defaults to env[OS_SERVICE_ENDPOINT]
--os-cacert <ca-certificate>
Specify a CA bundle file to use in verifying a TLS
(https) server certificate. Defaults to env[OS_CACERT]
--insecure Explicitly allow keystoneclient to perform "insecure"
TLS (https) requests. The server's certificate will
not be verified against any certificate authorities.
This option should be used with caution.
--os-cert <certificate>
Defaults to env[OS_CERT]
--os-key <key> Defaults to env[OS_KEY]
--os-cache Use the auth token cache. Defaults to env[OS_CACHE]
--force-new-token If the keyring is available and in use, token will
always be stored and fetched from the keyring until
the token has expired. Use this option to request a
new token and replace the existing one in the keyring.
--stale-duration <seconds>
Stale duration (in seconds) used to determine whether
a token has expired when retrieving it from keyring.
This is useful in mitigating process or network
delays. Default is 30 seconds.

See "keystone help COMMAND" for help on a specific command.

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