Open Stack

Hi folks,
While installing vitrage by devstack with a fresh clone I am hitting 
following error.
What could be the problems here? Is there any configures i missed?
Thank you for help~

++./stack.sh:echo_summary:385               echo -e Initializing Vitrage
2016-04-22 07:38:02.311 | Initializing Vitrage
++/opt/stack/vitrage/devstack/plugin.sh:source:255  init_vitrage
++/opt/stack/vitrage/devstack/plugin.sh:init_vitrage:179 
_vitrage_create_accounts
++/opt/stack/vitrage/devstack/plugin.sh:_vitrage_create_accounts:69 
is_service_enabled vitrage-api
++functions-common:is_service_enabled:2047  local xtrace
+++functions-common:is_service_enabled:2048  set +o
+++functions-common:is_service_enabled:2048  grep xtrace
++functions-common:is_service_enabled:2048  xtrace='set -o xtrace'
++functions-common:is_service_enabled:2049  set +o xtrace
++functions-common:is_service_enabled:2077  return 0
++/opt/stack/vitrage/devstack/plugin.sh:_vitrage_create_accounts:71 
create_service_user vitrage admin
++lib/keystone:create_service_user:449      local role=admin
++lib/keystone:create_service_user:451      get_or_create_user vitrage 
stack Default
++functions-common:get_or_create_user:798   local user_id
++functions-common:get_or_create_user:799   [[ ! -z '' ]]
++functions-common:get_or_create_user:802   local email=
+++functions-common:get_or_create_user:816   openstack user create vitrage 
--password stack --domain=Default --or-show -f value -c id
Discovering versions from the identity service failed when creating the 
password plugin. Attempting to determine version from URL.
Could not determine a suitable URL for the plugin
++functions-common:get_or_create_user:814   user_id=
+functions-common:get_or_create_user:1     exit_trap
+./stack.sh:exit_trap:474                  local r=1
++./stack.sh:exit_trap:475                  jobs -p
+./stack.sh:exit_trap:475                  jobs=


Here is my local.conf file:

[[local|localrc]]
ADMIN_PASSWORD=stack
DATABASE_PASSWORD=stack
RABBIT_PASSWORD=stack
SERVICE_PASSWORD=stack

enable_service heat h-api h-api-cfn h-api-cw h-eng
disable_service tempest
enable_plugin vitrage https://github.com/openstack/vitrage
enable_plugin vitrage-dashboard 
https://github.com/openstack/vitrage-dashboard
enable_plugin ceilometer https://github.com/openstack/ceilometer
enable_plugin aodh https://github.com/openstack/aodh

GIT_DEPTH=1

[[post-config|$NOVA_CONF]]
[DEFAULT]
notification_topics = notifications,vitrage_notifications
notification_driver=messagingv2
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