From 51a225c5d7f7d8655be62cab0e4d677b6839f35a Mon Sep 17 00:00:00 2001
From: Sean Dague <sean@dague.net>
Date: Thu, 15 Dec 2016 16:32:08 -0500
Subject: [PATCH] Create mechanism for enabling placement-client on subnodes

When doing multinode devstack we need a way to specify that we've
enabled for the placement service. We use a pseudo service of
placement-client for this.

Change-Id: I04a655fbc58913b3d607400a7f677be299499142
---
 lib/placement | 15 ++++++++-------
 stack.sh      | 10 ++++++++++
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/lib/placement b/lib/placement
index 165c670206..ff630e29d8 100644
--- a/lib/placement
+++ b/lib/placement
@@ -55,7 +55,7 @@ PLACEMENT_SERVICE_PORT=${PLACEMENT_SERVICE_PORT:-8778}
 # Test if any placement services are enabled
 # is_placement_enabled
 function is_placement_enabled {
-    [[ ,${ENABLED_SERVICES} =~ ,"placement-" ]] && return 0
+    [[ ,${ENABLED_SERVICES} =~ ,"placement-api" ]] && return 0
     return 1
 }
 
@@ -101,12 +101,7 @@ function _config_placement_apache_wsgi {
     " -i $placement_api_apache_conf
 }
 
-# configure_placement() - Set config files, create data dirs, etc
-function configure_placement {
-    if [ "$PLACEMENT_DB_ENABLED" != False ]; then
-        iniset $PLACEMENT_CONF placement_database connection `database_connection_url placement`
-    fi
-
+function configure_placement_nova_compute {
     iniset $NOVA_CONF placement auth_type "password"
     iniset $NOVA_CONF placement auth_url "$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_AUTH_PORT/v3"
     iniset $NOVA_CONF placement username placement
@@ -121,7 +116,13 @@ function configure_placement {
     # established by the nova api. This avoids, for the time, being,
     # creating redundant configuration items that are just used for
     # testing.
+}
 
+# configure_placement() - Set config files, create data dirs, etc
+function configure_placement {
+    if [ "$PLACEMENT_DB_ENABLED" != False ]; then
+        iniset $PLACEMENT_CONF placement_database connection `database_connection_url placement`
+    fi
     _config_placement_apache_wsgi
 }
 
diff --git a/stack.sh b/stack.sh
index f4bac30dac..1817f61704 100755
--- a/stack.sh
+++ b/stack.sh
@@ -869,6 +869,16 @@ if is_service_enabled placement; then
     configure_placement
 fi
 
+# create a placement-client fake service to know we need to configure
+# placement connectivity. We configure the placement service for nova
+# if placement-api or placement-client is active, and n-cpu on the
+# same box.
+if is_service_enabled placement placement-client; then
+    if is_service_enabled n-cpu; then
+        configure_placement_nova_compute
+    fi
+fi
+
 if is_service_enabled horizon; then
     # django openstack_auth
     install_django_openstack_auth