# Neutron Cisco plugin # --------------------------- # Save trace setting CISCO_XTRACE=$(set +o | grep xtrace) set +o xtrace # Scecify the VSM parameters Q_CISCO_PLUGIN_VSM_IP=${Q_CISCO_PLUGIN_VSM_IP:-} # Specify the VSM username Q_CISCO_PLUGIN_VSM_USERNAME=${Q_CISCO_PLUGIN_VSM_USERNAME:-admin} # Specify the VSM passward for above username Q_CISCO_PLUGIN_VSM_PASSWORD=${Q_CISCO_PLUGIN_VSM_PASSWORD:-} # Specify the uVEM integration bridge name Q_CISCO_PLUGIN_INTEGRATION_BRIDGE=${Q_CISCO_PLUGIN_INTEGRATION_BRIDGE:-br-int} # Specify if tunneling is enabled Q_CISCO_PLUGIN_ENABLE_TUNNELING=${Q_CISCO_PLUGIN_ENABLE_TUNNELING:-True} # Specify the VXLAN range Q_CISCO_PLUGIN_VXLAN_ID_RANGES=${Q_CISCO_PLUGIN_VXLAN_ID_RANGES:-5000:10000} # Specify the VLAN range Q_CISCO_PLUGIN_VLAN_RANGES=${Q_CISCO_PLUGIN_VLAN_RANGES:-vlan:1:4094} # Specify ncclient package information NCCLIENT_DIR=$DEST/ncclient NCCLIENT_VERSION=${NCCLIENT_VERSION:-0.3.1} NCCLIENT_REPO=${NCCLIENT_REPO:-git://github.com/CiscoSystems/ncclient.git} NCCLIENT_BRANCH=${NCCLIENT_BRANCH:-master} # This routine put a prefix on an existing function name function _prefix_function { declare -F $1 > /dev/null || die "$1 doesn't exist" eval "$(echo "${2}_${1}()"; declare -f ${1} | tail -n +2)" } function _has_ovs_subplugin { local subplugin for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do if [[ "$subplugin" == "openvswitch" ]]; then return 0 fi done return 1 } function _has_nexus_subplugin { local subplugin for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do if [[ "$subplugin" == "nexus" ]]; then return 0 fi done return 1 } function _has_n1kv_subplugin { local subplugin for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do if [[ "$subplugin" == "n1kv" ]]; then return 0 fi done return 1 } # This routine populates the cisco config file with the information for # a particular nexus switch function _config_switch { local cisco_cfg_file=$1 local switch_ip=$2 local username=$3 local password=$4 local ssh_port=$5 shift 5 local section="NEXUS_SWITCH:$switch_ip" iniset $cisco_cfg_file $section username $username iniset $cisco_cfg_file $section password $password iniset $cisco_cfg_file $section ssh_port $ssh_port while [[ ${#@} != 0 ]]; do iniset $cisco_cfg_file $section $1 $2 shift 2 done } # Prefix openvswitch plugin routines with "ovs" in order to differentiate from # cisco plugin routines. This means, ovs plugin routines will coexist with cisco # plugin routines in this script. source $TOP_DIR/lib/neutron_plugins/openvswitch _prefix_function neutron_plugin_create_nova_conf ovs _prefix_function neutron_plugin_install_agent_packages ovs _prefix_function neutron_plugin_configure_common ovs _prefix_function neutron_plugin_configure_debug_command ovs _prefix_function neutron_plugin_configure_dhcp_agent ovs _prefix_function neutron_plugin_configure_l3_agent ovs _prefix_function neutron_plugin_configure_plugin_agent ovs _prefix_function neutron_plugin_configure_service ovs _prefix_function neutron_plugin_setup_interface_driver ovs _prefix_function has_neutron_plugin_security_group ovs # Check the version of the installed ncclient package function check_ncclient_version { python << EOF version = '$NCCLIENT_VERSION' import sys try: import pkg_resources import ncclient module_version = pkg_resources.get_distribution('ncclient').version if version != module_version: sys.exit(1) except: sys.exit(1) EOF } # Install the ncclient package function install_ncclient { git_clone $NCCLIENT_REPO $NCCLIENT_DIR $NCCLIENT_BRANCH (cd $NCCLIENT_DIR; sudo python setup.py install) } # Check if the required version of ncclient has been installed function is_ncclient_installed { # Check if the Cisco ncclient repository exists if [[ -d $NCCLIENT_DIR ]]; then remotes=$(cd $NCCLIENT_DIR; git remote -v | grep fetch | awk '{ print $2}') for remote in $remotes; do if [[ $remote == $NCCLIENT_REPO ]]; then break; fi done if [[ $remote != $NCCLIENT_REPO ]]; then return 1 fi else return 1 fi # Check if the ncclient is installed with the right version if ! check_ncclient_version; then return 1 fi return 0 } function has_neutron_plugin_security_group { if _has_ovs_subplugin; then ovs_has_neutron_plugin_security_group else return 1 fi } function is_neutron_ovs_base_plugin { # Cisco uses OVS if openvswitch subplugin is deployed _has_ovs_subplugin return } # populate required nova configuration parameters function neutron_plugin_create_nova_conf { if _has_ovs_subplugin; then ovs_neutron_plugin_create_nova_conf else _neutron_ovs_base_configure_nova_vif_driver fi } function neutron_plugin_install_agent_packages { # Cisco plugin uses openvswitch to operate in one of its configurations ovs_neutron_plugin_install_agent_packages } # Configure common parameters function neutron_plugin_configure_common { # setup default subplugins if [ ! -v Q_CISCO_PLUGIN_SUBPLUGINS ]; then declare -ga Q_CISCO_PLUGIN_SUBPLUGINS Q_CISCO_PLUGIN_SUBPLUGINS=(openvswitch nexus) fi if _has_ovs_subplugin; then ovs_neutron_plugin_configure_common Q_PLUGIN_EXTRA_CONF_PATH=etc/neutron/plugins/cisco Q_PLUGIN_EXTRA_CONF_FILES=(cisco_plugins.ini) else Q_PLUGIN_CONF_PATH=etc/neutron/plugins/cisco Q_PLUGIN_CONF_FILENAME=cisco_plugins.ini fi Q_PLUGIN_CLASS="neutron.plugins.cisco.network_plugin.PluginV2" Q_DB_NAME=cisco_neutron } function neutron_plugin_configure_debug_command { if _has_ovs_subplugin; then ovs_neutron_plugin_configure_debug_command fi } function neutron_plugin_configure_dhcp_agent { iniset $Q_DHCP_CONF_FILE DEFAULT dhcp_agent_manager neutron.agent.dhcp_agent.DhcpAgentWithStateReport } function neutron_plugin_configure_l3_agent { if _has_ovs_subplugin; then ovs_neutron_plugin_configure_l3_agent fi } function _configure_nexus_subplugin { local cisco_cfg_file=$1 # Install a known compatible ncclient from the Cisco repository if necessary if ! is_ncclient_installed; then # Preserve the two global variables local offline=$OFFLINE local reclone=$RECLONE # Change their values to allow installation OFFLINE=False RECLONE=yes install_ncclient # Restore their values OFFLINE=$offline RECLONE=$reclone fi # Setup default nexus switch information if [ ! -v Q_CISCO_PLUGIN_SWITCH_INFO ]; then declare -A Q_CISCO_PLUGIN_SWITCH_INFO HOST_NAME=$(hostname) Q_CISCO_PLUGIN_SWITCH_INFO=([1.1.1.1]=stack:stack:22:${HOST_NAME}:1/10) else iniset $cisco_cfg_file CISCO nexus_driver neutron.plugins.cisco.nexus.cisco_nexus_network_driver_v2.CiscoNEXUSDriver fi # Setup the switch configurations local nswitch local sw_info local segment local sw_info_array declare -i count=0 for nswitch in ${!Q_CISCO_PLUGIN_SWITCH_INFO[@]}; do sw_info=${Q_CISCO_PLUGIN_SWITCH_INFO[$nswitch]} sw_info_array=${sw_info//:/ } sw_info_array=( $sw_info_array ) count=${#sw_info_array[@]} if [[ $count < 5 || $(( ($count-3) % 2 )) != 0 ]]; then die $LINENO "Incorrect switch configuration: ${Q_CISCO_PLUGIN_SWITCH_INFO[$nswitch]}" fi _config_switch $cisco_cfg_file $nswitch ${sw_info_array[@]} done } # Configure n1kv plugin function _configure_n1kv_subplugin { local cisco_cfg_file=$1 # populate the cisco plugin cfg file with the VSM information echo "Configuring n1kv in $cisco_cfg_file-- $Q_CISCO_PLUGIN_VSM_IP $Q_CISCO_PLUGIN_VSM_USERNAME $Q_CISCO_PLUGIN_VSM_PASSWORD" iniset $cisco_cfg_file N1KV:$Q_CISCO_PLUGIN_VSM_IP username $Q_CISCO_PLUGIN_VSM_USERNAME iniset $cisco_cfg_file N1KV:$Q_CISCO_PLUGIN_VSM_IP password $Q_CISCO_PLUGIN_VSM_PASSWORD iniset $cisco_cfg_file CISCO_N1K integration_bridge $Q_CISCO_PLUGIN_INTEGRATION_BRIDGE iniset $cisco_cfg_file CISCO_N1K enable_tunneling $Q_CISCO_PLUGIN_ENABLE_TUNNELING iniset $cisco_cfg_file CISCO_N1K vxlan_id_ranges $Q_CISCO_PLUGIN_VXLAN_ID_RANGES iniset $cisco_cfg_file CISCO_N1K network_vlan_ranges $Q_CISCO_PLUGIN_VLAN_RANGES # Setup the integration bridge by calling the ovs_base OVS_BRIDGE=$Q_CISCO_PLUGIN_INTEGRATION_BRIDGE _neutron_ovs_base_setup_bridge $OVS_BRIDGE } function neutron_plugin_configure_plugin_agent { if _has_ovs_subplugin; then ovs_neutron_plugin_configure_plugin_agent fi } function neutron_plugin_configure_service { local subplugin local cisco_cfg_file if _has_ovs_subplugin; then ovs_neutron_plugin_configure_service cisco_cfg_file=/${Q_PLUGIN_EXTRA_CONF_FILES[0]} else cisco_cfg_file=/$Q_PLUGIN_CONF_FILE fi # Setup the [CISCO_PLUGINS] section if [[ ${#Q_CISCO_PLUGIN_SUBPLUGINS[@]} > 2 ]]; then die $LINENO "At most two subplugins are supported." fi if _has_ovs_subplugin && _has_n1kv_subplugin; then die $LINENO "OVS subplugin and n1kv subplugin cannot coexist" fi # Setup the subplugins inicomment $cisco_cfg_file CISCO_PLUGINS nexus_plugin inicomment $cisco_cfg_file CISCO_PLUGINS vswitch_plugin inicomment $cisco_cfg_file CISCO_TEST host for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do case $subplugin in nexus) iniset $cisco_cfg_file CISCO_PLUGINS nexus_plugin neutron.plugins.cisco.nexus.cisco_nexus_plugin_v2.NexusPlugin;; openvswitch) iniset $cisco_cfg_file CISCO_PLUGINS vswitch_plugin neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2;; n1kv) iniset $cisco_cfg_file CISCO_PLUGINS vswitch_plugin neutron.plugins.cisco.n1kv.n1kv_neutron_plugin.N1kvNeutronPluginV2;; *) die $LINENO "Unsupported cisco subplugin: $subplugin";; esac done if _has_nexus_subplugin; then _configure_nexus_subplugin $cisco_cfg_file fi if _has_n1kv_subplugin; then _configure_n1kv_subplugin $cisco_cfg_file fi } function neutron_plugin_setup_interface_driver { local conf_file=$1 iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver } # Restore xtrace $CISCO_XTRACE