Reference keystone URIs rather than building URI

lib/keystone sets KEYSTONE_AUTH_URI and KEYSTONE_SERVICE_URI that
other projects should use rather than building the URL themselves.
This will allow us to more easily drop the port altogether.

Change-Id: I7467aae680215f3045d32a088af2187e1eba8169

Author: Brant Knudson

lib/horizon

@@ -96,7 +96,7 @@ function configure_horizon {
     _horizon_config_set $local_settings "" OPENSTACK_HOST \"${KEYSTONE_SERVICE_HOST}\"
 
     _horizon_config_set $local_settings "" OPENSTACK_API_VERSIONS {\"identity\":3}
-    _horizon_config_set $local_settings "" OPENSTACK_KEYSTONE_URL "\"${KEYSTONE_SERVICE_PROTOCOL}://${KEYSTONE_SERVICE_HOST}:${KEYSTONE_SERVICE_PORT}/v3\""
+    _horizon_config_set $local_settings "" OPENSTACK_KEYSTONE_URL "\"${KEYSTONE_SERVICE_URI}/v3\""
 
     if [ -f $SSL_BUNDLE_FILE ]; then
         _horizon_config_set $local_settings "" OPENSTACK_SSL_CACERT \"${SSL_BUNDLE_FILE}\"

lib/neutron-legacy

@@ -456,7 +456,7 @@ function configure_neutron {
 function create_nova_conf_neutron {
     iniset $NOVA_CONF DEFAULT use_neutron True
     iniset $NOVA_CONF neutron auth_type "password"
-    iniset $NOVA_CONF neutron auth_url "$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_AUTH_PORT/v3"
+    iniset $NOVA_CONF neutron auth_url "$KEYSTONE_AUTH_URI/v3"
     iniset $NOVA_CONF neutron username "$Q_ADMIN_USERNAME"
     iniset $NOVA_CONF neutron password "$SERVICE_PASSWORD"
     iniset $NOVA_CONF neutron user_domain_name "$SERVICE_DOMAIN_NAME"

lib/swift

@@ -457,9 +457,7 @@ function configure_swift {
         cat <<EOF >>${SWIFT_CONFIG_PROXY_SERVER}
 [filter:s3token]
 paste.filter_factory = keystonemiddleware.s3_token:filter_factory
-auth_port = ${KEYSTONE_AUTH_PORT}
-auth_host = ${KEYSTONE_AUTH_HOST}
-auth_protocol = ${KEYSTONE_AUTH_PROTOCOL}
+auth_uri = ${KEYSTONE_AUTH_URI}
 cafile = ${SSL_BUNDLE_FILE}
 admin_user = swift
 admin_tenant_name = ${SERVICE_PROJECT_NAME}