keystone.credential.backends.base module¶
- 
class 
keystone.credential.backends.base.CredentialDriverBase[source]¶ Bases:
object- 
abstract 
create_credential(credential_id, credential)[source]¶ Create a new credential.
- Raises
 keystone.exception.Conflict – If a duplicate credential exists.
- 
abstract 
delete_credential(credential_id)[source]¶ Delete an existing credential.
- Raises
 keystone.exception.CredentialNotFound – If credential doesn’t exist.
- 
abstract 
get_credential(credential_id)[source]¶ Get a credential by ID.
- Returns
 credential_ref
- Raises
 keystone.exception.CredentialNotFound – If credential doesn’t exist.
- 
abstract 
list_credentials(hints)[source]¶ List all credentials.
- Parameters
 hints – contains the list of filters yet to be satisfied. Any filters satisfied here will be removed so that the caller will know if any filters remain.
- Returns
 a list of credential_refs or an empty list.
- 
abstract 
list_credentials_for_user(user_id, type=None)[source]¶ List credentials for a user.
- Parameters
 user_id – ID of a user to filter credentials by.
type – type of credentials to filter on.
- Returns
 a list of credential_refs or an empty list.
- 
abstract 
update_credential(credential_id, credential)[source]¶ Update an existing credential.
- Raises
 keystone.exception.CredentialNotFound – If credential doesn’t exist.
keystone.exception.Conflict – If a duplicate credential exists.
- 
abstract