OpenStack Neutron Init and Start

init_neutron
    init_mutnauq
        recreate_database neutron
        /usr/local/bin/neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head

# start neutron-api
start_neutron_api
    local opts=""
    opts+=" --config-file $NEUTRON_CONF"
    opts+=" --config-file $NEUTRON_CORE_PLUGIN_CONF"
    local cfg_file
    for cfg_file in ${_NEUTRON_SERVER_EXTRA_CONF_FILES_ABS[@]}; do
        opts+=" --config-file $cfg_file"
    done
    run_process neutron-api "$NEUTRON_BIN_DIR/neutron-server $opts"
    if ! wait_for_service $SERVICE_TIMEOUT $service_protocol://$NEUTRON_SERVICE_HOST:$service_port; then
        die $LINENO "neutron-api did not start"
    fi

# start q-svc
configure_neutron_after_post_config
    iniset /etc/neutron/neutron.conf DEFAULT service_plugins neutron.services.l3_router.l3_router_plugin.L3RouterPlugin
start_neutron_service_and_check
    local service_port=9696
    local service_protocol=http
    local cfg_file_options
    determine_config_files neutron-server
        _determine_config_server
    run_process q-svc '/usr/local/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini'
    test_with_retry 'wget  --no-proxy -q -O- http://192.168.2.96:9696' 'Neutron did not start' 60

# start neutron
start_neutron
    start_mutnauq_l2_agent
        run_process q-agt '/usr/local/bin/neutron-openvswitch-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini'
    start_mutnauq_other_agents
        run_process q-dhcp '/usr/local/bin/neutron-dhcp-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/dhcp_agent.ini'
        run_process q-l3 '/usr/local/bin/neutron-l3-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/l3_agent.ini'
        run_process q-meta '/usr/local/bin/neutron-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/metadata_agent.ini'
        run_process q-metering '/usr/local/bin/neutron-metering-agent --config-file /etc/neutron/neutron.conf --config-file '

# Creating initial neutron network elements
create_neutron_initial_network