unify logging setup on all services

This provides a single setup_logging function which builds consistent
colorization if the config supports it, otherwise builds the identity
strings that we need to actually keep track of requests.

Change-Id: Iffe30326a5b974ad141aed6288f61e0d6fd18ca9
diff --git a/lib/glance b/lib/glance
index 1736114..26c4150 100644
--- a/lib/glance
+++ b/lib/glance
@@ -229,10 +229,8 @@
     fi
 
     # Format logging
-    if [ "$LOG_COLOR" == "True" ] && [ "$SYSLOG" == "False" ]; then
-        setup_colorized_logging $GLANCE_API_CONF
-        setup_colorized_logging $GLANCE_REGISTRY_CONF
-    fi
+    setup_logging $GLANCE_API_CONF
+    setup_logging $GLANCE_REGISTRY_CONF
 
     cp -p $GLANCE_DIR/etc/glance-registry-paste.ini $GLANCE_REGISTRY_PASTE_INI
 
@@ -273,7 +271,7 @@
     if is_service_enabled g-glare; then
         local dburl
         dburl=`database_connection_url glance`
-        setup_colorized_logging $GLANCE_GLARE_CONF
+        setup_logging $GLANCE_GLARE_CONF
         iniset $GLANCE_GLARE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
         iniset $GLANCE_GLARE_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS
         iniset $GLANCE_GLARE_CONF DEFAULT bind_port $GLANCE_GLARE_PORT