I don’t believe so, it gives you the best of both worlds really, short tokens with server side validation (requiring an extra call to keystone) and client side validation with the exact same token (in PKI form) when needed. AFAIK, this is not accidental behavior, we stumbled upon it while reviewing the keystone source code.
pertinent code path: https://github.com/openstack/keystone/blob/master/keystone/common/cms.py other references: http://adam.younglogic.com/2012/10/pki-tokens-horizon/ Bug to make the hash function configurable: https://bugs.launchpad.net/keystone/+bug/1174499 We’re using this today to enable pingdom to monitor our converged infrastructure product built on openstack (pingdom can’t handle the large PKI tokens). - raf On January 31, 2014 at 7:36:18 AM, Wyllys Ingersoll (wyllys.ingers...@evault.com<mailto://wyllys.ingers...@evault.com>) wrote: How would that work then? The point of having PKI tokens is so that the clients themselves can verify the token without requiring a round-trip call back to keystone to look up the token and verify it. If you just have an MD5 hash, there is no way for the clients to verify the token, which sort of defeats the purpose, no? -Wyllys From: Remo Mattei <r...@italy1.com<mailto:r...@italy1.com>> Date: Friday, January 31, 2014 8:40 AM To: "Ferreira, Rafael" <r...@io.com<mailto:r...@io.com>> Cc: "openstack@lists.openstack.org<mailto:openstack@lists.openstack.org>" <openstack@lists.openstack.org<mailto:openstack@lists.openstack.org>> Subject: Re: [Openstack] [Barbican] Keystone PKI token too much long Hi Rafael Do you have the info on how that has been implemented. Thanks Remo Inviato da iPhone () Il giorno Jan 31, 2014, alle ore 8:27, "Ferreira, Rafael" <r...@io.com<mailto:r...@io.com>> ha scritto: By the way, you can achieve the same benefits of uuid tokens (shorter tokens) with PKI by simply using a md5 hash of the PKI token for your X-Auth headers. This is poorly documented but it seems to work just fine. From: Adam Young <ayo...@redhat.com<mailto:ayo...@redhat.com>> Date: Tuesday, January 28, 2014 at 1:41 PM To: "openstack@lists.openstack.org<mailto:openstack@lists.openstack.org>" <openstack@lists.openstack.org<mailto:openstack@lists.openstack.org>> Subject: Re: [Openstack] [Barbican] Keystone PKI token too much long On 01/22/2014 12:21 PM, John Wood wrote: (Adding another member of our team Douglas) Hello Giuseppe, For questions about news or patches for Keystone's PKI vs UUID modes, you might reach out to the openstack-...@lists.openstack.org<mailto:openstack-...@lists.openstack.org> mailing list, with the subject line prefixed with [openstack-dev] [keystone] Our observation has been that the PKI mode can generate large text blocks for tokens (esp. for large service catalogs) that cause http header errors. Regarding the specific barbican scripts you are running, we haven't run those in a while, so I'll investigate as we might need to update them. Please email back your /etc/barbican/barbican-api-paste.ini paste config file when you have a chance as well. Thanks, John ________________________________ From: Giuseppe Galeota [giuseppegale...@gmail.com<mailto:giuseppegale...@gmail.com>] Sent: Wednesday, January 22, 2014 7:36 AM To: openstack@lists.openstack.org<mailto:openstack@lists.openstack.org> Cc: John Wood Subject: [Openstack] [Barbican] Keystone PKI token too much long Dear all, I have configured Keystone for Barbican using this guide<https://github.com/cloudkeep/barbican/wiki/Developer-Guide-for-Keystone>. Is there any news or patch about the need to use a shorter token? I would not use a modified token. Its a known problem. You can request a token without the service catalog using an extension. One possible future enhancement is to compress the key. Following you can find an extract of the linked guide: * (Optional) Typical keystone setup creates PKI tokens that are long, do not fit easily into curl requests without splitting into components. For testing purposes suggest updating the keystone database with a shorter token-id. (An alternative is to set up keystone to generate uuid tokens.) From the above output grad the token expiry value, referred to as "x-y-z" mysql -u rootuse keystone;update token set id="foo" where expires="x-y-z" ; Thank you, Giuseppe _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org<mailto:openstack@lists.openstack.org> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack The communication contained in this e-mail is confidential and is intended only for the named recipient(s) and may contain information that is privileged, proprietary, attorney work product or exempt from disclosure under applicable law. If you have received this message in error, or are not the named recipient(s), please note that any form of distribution, copying or use of this communication or the information in it is strictly prohibited and may be unlawful. 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