Hi Georgy, The following might help with some of the trust questions you have, if you haven't looked at it already: https://github.com/openstack/identity-api/blob/master/openstack-identity-api/v3/src/markdown/identity-api-v3-os-trust-ext.md
As far as storage implementation, trust uses sql and kvs backends. Trusts can be given an expiration but if an expiration is not given the trust is valid until it is explicitly revoked (taken from the link above): Optionally, the trust may only be valid for a specified time period, as defined by expires_at. If noexpires_at is specified, then the trust is valid until it is explicitly revoked. Trusts can also be given 'uses' so that you can set a limit to how many times a trust will issue a token to the trustee. That functionality hasn't landed yet but it is up for review: https://review.openstack.org/#/c/56243/ Hope this helps! Best Regards, Lance Bragstad From: Georgy Okrokvertskhov <gokrokvertsk...@mirantis.com> To: OpenStack Development Mailing List <openstack-dev@lists.openstack.org>, Date: 01/17/2014 12:11 PM Subject: [openstack-dev] [Solum][Keystone] Best practices for storing keystone trusts information Hi, In Solum project we want to use Keystone trusts to work with other OpenStack services on behalf of user. Trusts are long term entities and a service should keep them for a long time. I want to understand what are best practices for working with trusts and storing them in a service? What are the options to keep trust? I see obvious approaches like keep them in a service DB or keep them in memory. Are there any other approaches? Is there a proper way to renew trust? For example if I have a long term task which is waiting for external event, how to keep trust fresh for a long and unpredicted period? Thanks Georgy_______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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