diff --git a/lib/cinder b/lib/cinder
index 14950c7f4d..f49eda15be 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -212,7 +212,7 @@ function configure_cinder() {
 
     cp $CINDER_DIR/etc/cinder/cinder.conf.sample $CINDER_CONF
     iniset $CINDER_CONF DEFAULT auth_strategy keystone
-    iniset $CINDER_CONF DEFAULT debug True
+    iniset $CINDER_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $CINDER_CONF DEFAULT verbose True
     if [ "$CINDER_MULTI_LVM_BACKEND" = "True" ]; then
         iniset $CINDER_CONF DEFAULT enabled_backends lvmdriver-1,lvmdriver-2
diff --git a/lib/glance b/lib/glance
index 583f879555..a18189f474 100644
--- a/lib/glance
+++ b/lib/glance
@@ -71,7 +71,7 @@ function configure_glance() {
 
     # Copy over our glance configurations and update them
     cp $GLANCE_DIR/etc/glance-registry.conf $GLANCE_REGISTRY_CONF
-    iniset $GLANCE_REGISTRY_CONF DEFAULT debug True
+    iniset $GLANCE_REGISTRY_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $GLANCE_REGISTRY_CONF DEFAULT log_file
     local dburl=`database_connection_url glance`
     iniset $GLANCE_REGISTRY_CONF DEFAULT sql_connection $dburl
@@ -87,7 +87,7 @@ function configure_glance() {
     iniset $GLANCE_REGISTRY_CONF keystone_authtoken signing_dir $GLANCE_AUTH_CACHE_DIR/registry
 
     cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF
-    iniset $GLANCE_API_CONF DEFAULT debug True
+    iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $GLANCE_API_CONF DEFAULT log_file
     iniset $GLANCE_API_CONF DEFAULT sql_connection $dburl
     iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG
@@ -123,7 +123,7 @@ function configure_glance() {
     cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI
 
     cp $GLANCE_DIR/etc/glance-cache.conf $GLANCE_CACHE_CONF
-    iniset $GLANCE_CACHE_CONF DEFAULT debug True
+    iniset $GLANCE_CACHE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $GLANCE_CACHE_CONF DEFAULT log_file
     iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG
     iniset $GLANCE_CACHE_CONF DEFAULT filesystem_store_datadir $GLANCE_IMAGE_DIR/
diff --git a/lib/heat b/lib/heat
index 1b715f2b55..3c3b2c4a2d 100644
--- a/lib/heat
+++ b/lib/heat
@@ -68,7 +68,7 @@ function configure_heat() {
     # Cloudformation API
     HEAT_API_CFN_CONF=$HEAT_CONF_DIR/heat-api-cfn.conf
     cp $HEAT_DIR/etc/heat/heat-api-cfn.conf $HEAT_API_CFN_CONF
-    iniset $HEAT_API_CFN_CONF DEFAULT debug True
+    iniset $HEAT_API_CFN_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $HEAT_API_CFN_CONF DEFAULT log_file
     iniset $HEAT_API_CFN_CONF DEFAULT use_syslog $SYSLOG
     iniset $HEAT_API_CFN_CONF DEFAULT bind_host $HEAT_API_CFN_HOST
@@ -90,7 +90,7 @@ function configure_heat() {
     # OpenStack API
     HEAT_API_CONF=$HEAT_CONF_DIR/heat-api.conf
     cp $HEAT_DIR/etc/heat/heat-api.conf $HEAT_API_CONF
-    iniset $HEAT_API_CONF DEFAULT debug True
+    iniset $HEAT_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $HEAT_API_CONF DEFAULT log_file
     iniset $HEAT_API_CONF DEFAULT use_syslog $SYSLOG
     iniset $HEAT_API_CONF DEFAULT bind_host $HEAT_API_HOST
@@ -112,7 +112,7 @@ function configure_heat() {
     # engine
     HEAT_ENGINE_CONF=$HEAT_CONF_DIR/heat-engine.conf
     cp $HEAT_DIR/etc/heat/heat-engine.conf $HEAT_ENGINE_CONF
-    iniset $HEAT_ENGINE_CONF DEFAULT debug True
+    iniset $HEAT_ENGINE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $HEAT_ENGINE_CONF DEFAULT log_file
     iniset $HEAT_ENGINE_CONF DEFAULT use_syslog $SYSLOG
     iniset $HEAT_ENGINE_CONF DEFAULT bind_host $HEAT_ENGINE_HOST
@@ -128,7 +128,7 @@ function configure_heat() {
     # Cloudwatch API
     HEAT_API_CW_CONF=$HEAT_CONF_DIR/heat-api-cloudwatch.conf
     cp $HEAT_DIR/etc/heat/heat-api-cloudwatch.conf $HEAT_API_CW_CONF
-    iniset $HEAT_API_CW_CONF DEFAULT debug True
+    iniset $HEAT_API_CW_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     inicomment $HEAT_API_CW_CONF DEFAULT log_file
     iniset $HEAT_API_CW_CONF DEFAULT use_syslog $SYSLOG
     iniset $HEAT_API_CW_CONF DEFAULT bind_host $HEAT_API_CW_HOST
diff --git a/lib/neutron b/lib/neutron
index 306140a4b5..564315b107 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -537,7 +537,7 @@ function _configure_neutron_dhcp_agent() {
     cp $NEUTRON_DIR/etc/dhcp_agent.ini $Q_DHCP_CONF_FILE
 
     iniset $Q_DHCP_CONF_FILE DEFAULT verbose True
-    iniset $Q_DHCP_CONF_FILE DEFAULT debug True
+    iniset $Q_DHCP_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_DHCP_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE
     iniset $Q_DHCP_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
 
@@ -557,7 +557,7 @@ function _configure_neutron_l3_agent() {
     cp $NEUTRON_DIR/etc/l3_agent.ini $Q_L3_CONF_FILE
 
     iniset $Q_L3_CONF_FILE DEFAULT verbose True
-    iniset $Q_L3_CONF_FILE DEFAULT debug True
+    iniset $Q_L3_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_L3_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE
     iniset $Q_L3_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
 
@@ -573,7 +573,7 @@ function _configure_neutron_metadata_agent() {
     cp $NEUTRON_DIR/etc/metadata_agent.ini $Q_META_CONF_FILE
 
     iniset $Q_META_CONF_FILE DEFAULT verbose True
-    iniset $Q_META_CONF_FILE DEFAULT debug True
+    iniset $Q_META_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_META_CONF_FILE DEFAULT nova_metadata_ip $Q_META_DATA_IP
     iniset $Q_META_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
 
@@ -597,7 +597,7 @@ function _configure_neutron_plugin_agent() {
     # ensure that an agent's configuration can override the default
     iniset /$Q_PLUGIN_CONF_FILE agent root_helper "$Q_RR_COMMAND"
     iniset $NEUTRON_CONF DEFAULT verbose True
-    iniset $NEUTRON_CONF DEFAULT debug True
+    iniset $NEUTRON_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
 
     # Configure agent for plugin
     neutron_plugin_configure_plugin_agent
@@ -620,7 +620,7 @@ function _configure_neutron_service() {
     fi
 
     iniset $NEUTRON_CONF DEFAULT verbose True
-    iniset $NEUTRON_CONF DEFAULT debug True
+    iniset $NEUTRON_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $NEUTRON_CONF DEFAULT policy_file $Q_POLICY_FILE
     iniset $NEUTRON_CONF DEFAULT allow_overlapping_ips $Q_ALLOW_OVERLAPPING_IP
 
diff --git a/lib/nova b/lib/nova
index 9c38498d8c..842c098624 100644
--- a/lib/nova
+++ b/lib/nova
@@ -430,7 +430,7 @@ function create_nova_conf() {
     # (Re)create ``nova.conf``
     rm -f $NOVA_CONF
     iniset $NOVA_CONF DEFAULT verbose "True"
-    iniset $NOVA_CONF DEFAULT debug "True"
+    iniset $NOVA_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
     iniset $NOVA_CONF DEFAULT auth_strategy "keystone"
     iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True"
     iniset $NOVA_CONF DEFAULT api_paste_config "$NOVA_API_PASTE_INI"
diff --git a/stack.sh b/stack.sh
index 6a24ed7f78..8f59328792 100755
--- a/stack.sh
+++ b/stack.sh
@@ -252,6 +252,9 @@ OFFLINE=`trueorfalse False $OFFLINE`
 # operation.
 ERROR_ON_CLONE=`trueorfalse False $ERROR_ON_CLONE`
 
+# Whether to enable the debug log level in OpenStack services
+ENABLE_DEBUG_LOG_LEVEL=`trueorfalse True $ENABLE_DEBUG_LOG_LEVEL`
+
 # Destination path for service data
 DATA_DIR=${DATA_DIR:-${DEST}/data}
 sudo mkdir -p $DATA_DIR