@@ -85,6 +85,20 @@ NEUTRON_CONF_DIR=/etc/neutron

 NEUTRON_CONF=$NEUTRON_CONF_DIR/neutron.conf

 export NEUTRON_TEST_CONFIG_FILE=${NEUTRON_TEST_CONFIG_FILE:-"$NEUTRON_CONF_DIR/debug.ini"}

+# Agent binaries.  Note, binary paths for other agents are set in per-service

+# scripts in lib/neutron_plugins/services/

+AGENT_DHCP_BINARY="$NEUTRON_BIN_DIR/neutron-dhcp-agent"

+AGENT_L3_BINARY=${AGENT_L3_BINARY:-"$NEUTRON_BIN_DIR/neutron-l3-agent"}

+AGENT_META_BINARY="$NEUTRON_BIN_DIR/neutron-metadata-agent"

+

+# Agent config files. Note, plugin-specific Q_PLUGIN_CONF_FILE is set and

+# loaded from per-plugin  scripts in lib/neutron_plugins/

+Q_DHCP_CONF_FILE=$NEUTRON_CONF_DIR/dhcp_agent.ini

+Q_L3_CONF_FILE=$NEUTRON_CONF_DIR/l3_agent.ini

+Q_FWAAS_CONF_FILE=$NEUTRON_CONF_DIR/fwaas_driver.ini

+Q_VPN_CONF_FILE=$NEUTRON_CONF_DIR/vpn_agent.ini

+Q_META_CONF_FILE=$NEUTRON_CONF_DIR/metadata_agent.ini

+

 # Default name for Neutron database

 Q_DB_NAME=${Q_DB_NAME:-neutron}

 # Default Neutron Plugin

@@ -275,6 +289,51 @@ set +o xtrace

 # Functions

 # ---------

+function _determine_config_server {

+    local cfg_file

+    local opts="--config-file $NEUTRON_CONF --config-file /$Q_PLUGIN_CONF_FILE"

+    for cfg_file in ${Q_PLUGIN_EXTRA_CONF_FILES[@]}; do

+        opts+=" --config-file /$cfg_file"

+    done

+    echo "$opts"

+}

+

+function _determine_config_vpn {

+    local cfg_file

+    local opts="--config-file $NEUTRON_CONF --config-file=$Q_L3_CONF_FILE --config-file=$Q_VPN_CONF_FILE"

+    if is_service_enabled q-fwaas; then

+        opts+=" --config-file $Q_FWAAS_CONF_FILE"

+    fi

+    for cfg_file in ${Q_VPN_EXTRA_CONF_FILES[@]}; do

+        opts+=" --config-file $cfg_file"

+    done

+    echo "$opts"

+

+}

+

+function _determine_config_l3 {

+    local opts="--config-file $NEUTRON_CONF --config-file=$Q_L3_CONF_FILE"

+    if is_service_enabled q-fwaas; then

+        opts+=" --config-file $Q_FWAAS_CONF_FILE"

+    fi

+    echo "$opts"

+}

+

+# For services and agents that require it, dynamically construct a list of

+# --config-file arguments that are passed to the binary.

+function determine_config_files {

+    local opts=""

+    case "$1" in

+        "neutron-server") opts="$(_determine_config_server)" ;;

+        "neutron-vpn-agent") opts="$(_determine_config_vpn)" ;;

+        "neutron-l3-agent") opts="$(_determine_config_l3)" ;;

+    esac

+    if [ -z "$opts" ] ; then

+        die $LINENO "Could not determine config files for $1."

+    fi

+    echo "$opts"

+}

+

 # Test if any Neutron services are enabled

 # is_neutron_enabled

 function is_neutron_enabled {

@@ -508,14 +567,9 @@ function install_neutron_agent_packages {

 # Start running processes, including screen

 function start_neutron_service_and_check {

-    # build config-file options

-    local cfg_file

-    local CFG_FILE_OPTIONS="--config-file $NEUTRON_CONF --config-file /$Q_PLUGIN_CONF_FILE"

-    for cfg_file in ${Q_PLUGIN_EXTRA_CONF_FILES[@]}; do

-        CFG_FILE_OPTIONS+=" --config-file /$cfg_file"

-    done

+    local cfg_file_options="$(determine_config_files neutron-server)"

     # Start the Neutron service

-    screen_it q-svc "cd $NEUTRON_DIR && python $NEUTRON_BIN_DIR/neutron-server $CFG_FILE_OPTIONS"

+    screen_it q-svc "cd $NEUTRON_DIR && python $NEUTRON_BIN_DIR/neutron-server $cfg_file_options"

     echo "Waiting for Neutron to start..."

     if ! timeout $SERVICE_TIMEOUT sh -c "while ! wget --no-proxy -q -O- http://$Q_HOST:$Q_PORT; do sleep 1; done"; then

         die $LINENO "Neutron did not start"

@@ -528,8 +582,6 @@ function start_neutron_agents {

     screen_it q-agt "cd $NEUTRON_DIR && python $AGENT_BINARY --config-file $NEUTRON_CONF --config-file /$Q_PLUGIN_CONF_FILE"

     screen_it q-dhcp "cd $NEUTRON_DIR && python $AGENT_DHCP_BINARY --config-file $NEUTRON_CONF --config-file=$Q_DHCP_CONF_FILE"

-    L3_CONF_FILES="--config-file $NEUTRON_CONF --config-file=$Q_L3_CONF_FILE"

-

     if is_provider_network; then

         sudo ovs-vsctl add-port $OVS_PHYSICAL_BRIDGE $PUBLIC_INTERFACE

         sudo ip link set $OVS_PHYSICAL_BRIDGE up

@@ -537,14 +589,10 @@ function start_neutron_agents {

         sudo ip link set $PUBLIC_INTERFACE up

     fi

-    if is_service_enabled q-fwaas; then

-        L3_CONF_FILES="$L3_CONF_FILES --config-file $Q_FWAAS_CONF_FILE"

-        VPN_CONF_FILES="$VPN_CONF_FILES --config-file $Q_FWAAS_CONF_FILE"

-    fi

     if is_service_enabled q-vpn; then

-        screen_it q-vpn "cd $NEUTRON_DIR && $AGENT_VPN_BINARY $VPN_CONF_FILES"

+        screen_it q-vpn "cd $NEUTRON_DIR && $AGENT_VPN_BINARY $(determine_config_files neutron-vpn-agent)"

     else

-        screen_it q-l3 "cd $NEUTRON_DIR && python $AGENT_L3_BINARY $L3_CONF_FILES"

+        screen_it q-l3 "cd $NEUTRON_DIR && python $AGENT_L3_BINARY $(determine_config_files neutron-l3-agent)"

     fi

     screen_it q-meta "cd $NEUTRON_DIR && python $AGENT_META_BINARY --config-file $NEUTRON_CONF --config-file=$Q_META_CONF_FILE"

@@ -681,8 +729,6 @@ function _configure_neutron_debug_command {

 }

 function _configure_neutron_dhcp_agent {

-    AGENT_DHCP_BINARY="$NEUTRON_BIN_DIR/neutron-dhcp-agent"

-    Q_DHCP_CONF_FILE=$NEUTRON_CONF_DIR/dhcp_agent.ini

     cp $NEUTRON_DIR/etc/dhcp_agent.ini $Q_DHCP_CONF_FILE

@@ -702,20 +748,8 @@ function _configure_neutron_l3_agent {

     # for l3-agent, only use per tenant router if we have namespaces

     Q_L3_ROUTER_PER_TENANT=$Q_USE_NAMESPACE

-    AGENT_L3_BINARY=${AGENT_L3_BINARY:-"$NEUTRON_BIN_DIR/neutron-l3-agent"}

-    Q_L3_CONF_FILE=$NEUTRON_CONF_DIR/l3_agent.ini

-

-    if is_service_enabled q-fwaas; then

-        Q_FWAAS_CONF_FILE=$NEUTRON_CONF_DIR/fwaas_driver.ini

-    fi

-

     if is_service_enabled q-vpn; then

-        Q_VPN_CONF_FILE=$NEUTRON_CONF_DIR/vpn_agent.ini

         cp $NEUTRON_DIR/etc/vpn_agent.ini $Q_VPN_CONF_FILE

-        VPN_CONF_FILES="--config-file $NEUTRON_CONF --config-file=$Q_L3_CONF_FILE --config-file=$Q_VPN_CONF_FILE"

-        for cfg_file in ${Q_VPN_EXTRA_CONF_FILES[@]}; do

-            VPN_CONF_FILES+=" --config-file $cfg_file"

-        done

     fi

     cp $NEUTRON_DIR/etc/l3_agent.ini $Q_L3_CONF_FILE

@@ -731,9 +765,6 @@ function _configure_neutron_l3_agent {

 }

 function _configure_neutron_metadata_agent {

-    AGENT_META_BINARY="$NEUTRON_BIN_DIR/neutron-metadata-agent"

-    Q_META_CONF_FILE=$NEUTRON_CONF_DIR/metadata_agent.ini

-

     cp $NEUTRON_DIR/etc/metadata_agent.ini $Q_META_CONF_FILE

     iniset $Q_META_CONF_FILE DEFAULT verbose True