Support v3 in credential providers and subclasses
Support using v3 to in credential providers:
- load v3 credentials from YAML if auth_version == v3
- create v3 credentials in isolated credentials is auth_version == v3
Credentials are provisioned in a configured domain (by name), or in the
admin domain if no specific domain is configured.
Support requesting a specific version of credentials from
credentials providers.
Depends-on: Iaae9286ecc6f019d36261a5c450068a650e24a28
Change-Id: Id1ffa35c35f7badd0a35140229554ddf138a3fef
8 files changed