endpoint, service, region can not be updated when using kvs driver

[wanghong]

region:
curl -i -H "X-Auth-Token:$TOKEN" -H "Content-Type:application/json" http://192.168.70.105:35357/v3/regions/ed5ff7d3e26c48aeaf1f2f9fb2a4ad7e -d '{"region":{"description":"xxx"}}' -X PATCH

{"error": {"message": "An unexpected error prevented the server from fulfilling your request: 'id' (Disable debug mode to suppress these details.)", "code": 500, "title": "Internal Server Error"}}

service:
curl -i -H "X-Auth-Token:$TOKEN" -H "Content-Type:application/json" http://192.168.70.105:35357/v3/services/f101743b55e54d2ba9cbf71d1f3456fc -d '{"service":{"type":"yy"}}' -X PATCH

{"error": {"message": "An unexpected error prevented the server from fulfilling your request: 'id' (Disable debug mode to suppress these details.)", "code": 500, "title": "Internal Server Error"}}

endpoint:
curl -i -H "X-Auth-Token:$TOKEN" -H "Content-Type:application/json" http://192.168.70.105:35357/v3/endpoints/bbe21bf654e442edb21716cc00fb1c58 -d '{"endpoint":{"zz":"tt"}}' -X PATCH

{"error": {"message": "An unexpected error prevented the server from fulfilling your request: 'region_id' (Disable debug mode to suppress these details.)", "code": 500, "title": "Internal Server Error"}}

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/130180

[OpenStack Infra (hudson-openstack)]

Change abandoned by wanghong (<email address hidden>) on branch: master
Review: https://review.openstack.org/130180
Reason: I made a mistake that use the same branch for two patches.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/130180
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=211d008e4939326cc0e38ed1a9253fcffe01cb64
Submitter: Jenkins
Branch: master

commit 211d008e4939326cc0e38ed1a9253fcffe01cb64
Author: wanghong <email address hidden>
Date: Wed Oct 22 17:53:00 2014 +0800

    fix the wrong update logic of catalog kvs driver

    The update logic of catalog objects in kvs driver is wrong. Currently,
    it just overwrites the old one rather than update.

    Change-Id: I9fa582a71e1ad9b6fa06e2ffbff1472aeb975a54
    Closes-Bug: #1384112

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/juno
Review: https://review.openstack.org/153128

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/153128
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=a47575730c4738d1ec8b8fc9537a6f74a873457a
Submitter: Jenkins
Branch: stable/juno

commit a47575730c4738d1ec8b8fc9537a6f74a873457a
Author: wanghong <email address hidden>
Date: Wed Oct 22 17:53:00 2014 +0800

    fix the wrong update logic of catalog kvs driver

    The update logic of catalog objects in kvs driver is wrong. Currently,
    it just overwrites the old one rather than update.

    Change-Id: I9fa582a71e1ad9b6fa06e2ffbff1472aeb975a54
    Closes-Bug: #1384112
    (cherry picked from commit 211d008e4939326cc0e38ed1a9253fcffe01cb64)