keystone.trust.backends.base module

class keystone.trust.backends.base.TrustDriverBase

Bases: object

abstract consume_use(trust_id)

Consume one use of a trust.

One use of a trust is consumed when the trust was created with a limitation on its uses, provided there are still uses available.

Raises:

• keystone.exception.TrustUseLimitReached – If no remaining uses for trust.

• keystone.exception.TrustNotFound – If the trust doesn’t exist.

abstract create_trust(trust_id, trust, roles)

Create a new trust.

Returns:

a new trust

abstract delete_trust(trust_id)

abstract delete_trusts_for_project(project_id)

Delete all trusts for a project.

Parameters:

project_id – ID of a project to filter trusts by.

abstract flush_expired_and_soft_deleted_trusts(project_id=None, trustor_user_id=None, trustee_user_id=None, date=None)

Flush expired and non-expired soft deleted trusts from the backend.

Parameters:

• project_id – ID of a project to filter trusts by.

• trustor_user_id – ID of a trustor_user_id to filter trusts by.

• trustee_user_id – ID of a trustee_user_id to filter trusts by.

• date (datetime) – date to filter trusts by.

abstract get_trust(trust_id, deleted=False)

Get a trust by the trust id.

Parameters:

• trust_id (string) – the trust identifier

• deleted (bool) – return the trust even if it is deleted, expired, or has no consumptions left

abstract list_trusts()

abstract list_trusts_for_trustee(trustee)

abstract list_trusts_for_trustor(trustor, redelegated_trust_id=None)