Zane Bitter: Thank you for your replay. I read the codes of Keystone by your reminding. Maybe the following codes can help us understand. Thanks again! https://github.com/openstack/keystone/blob/master/keystone/common/utils.py#L633 https://github.com/openstack/keystone/blob/master/keystone/catalog/backends/templated.py#L68 cheers zengchen At 2016-12-20 22:22:17, "Zane Bitter" <zbitter at redhat.com> wrote: >On 20/12/16 02:29, zengchen wrote: >> Hi, Heat stackers: >> May I ask a question about the endpoint of Heat. I see the endpoints >> of Heat registered to Keystone look like this. >> 'http://10.229.45.150:8004/v1/$(project_id)s' . My question is that why >> use '$' instead of '%' as the replacement symbol. >> Is there some kind of rule? > >Keystone supports either syntax. IIRC this one is slightly preferred. >It's really not important. > >- ZB > > >__________________________________________________________________________ >OpenStack Development Mailing List (not for usage questions) >Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe >http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20161221/da213c9f/attachment.html>