Merge "add support in devstack to run it with cisco plugin"
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327
lib/quantum_plugins/cisco
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327
lib/quantum_plugins/cisco
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# Quantum Cisco plugin
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# ---------------------------
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# Save trace setting
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MY_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Scecify the VSM parameters
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Q_CISCO_PLUGIN_VSM_IP=${Q_CISCO_PLUGIN_VSM_IP:-}
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# Specify the VSM username
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Q_CISCO_PLUGIN_VSM_USERNAME=${Q_CISCO_PLUGIN_VSM_USERNAME:-admin}
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# Specify the VSM passward for above username
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Q_CISCO_PLUGIN_VSM_PASSWORD=${Q_CISCO_PLUGIN_VSM_PASSWORD:-}
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# Specify the uVEM integration bridge name
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Q_CISCO_PLUGIN_INTEGRATION_BRIDGE=${Q_CISCO_PLUGIN_INTEGRATION_BRIDGE:-br-int}
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# Specify if tunneling is enabled
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Q_CISCO_PLUGIN_ENABLE_TUNNELING=${Q_CISCO_PLUGIN_ENABLE_TUNNELING:-True}
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# Specify the VXLAN range
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Q_CISCO_PLUGIN_VXLAN_ID_RANGES=${Q_CISCO_PLUGIN_VXLAN_ID_RANGES:-5000:10000}
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# Specify the VLAN range
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Q_CISCO_PLUGIN_VLAN_RANGES=${Q_CISCO_PLUGIN_VLAN_RANGES:-vlan:1:4094}
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# Specify ncclient package information
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NCCLIENT_DIR=$DEST/ncclient
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NCCLIENT_VERSION=${NCCLIENT_VERSION:-0.3.1}
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NCCLIENT_REPO=${NCCLIENT_REPO:-${GIT_BASE}/CiscoSystems/ncclient.git}
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NCCLIENT_BRANCH=${NCCLIENT_BRANCH:-master}
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# This routine put a prefix on an existing function name
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function _prefix_function() {
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declare -F $1 > /dev/null || die "$1 doesn't exist"
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eval "$(echo "${2}_${1}()"; declare -f ${1} | tail -n +2)"
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}
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function _has_ovs_subplugin() {
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local subplugin
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for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do
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if [[ "$subplugin" == "openvswitch" ]]; then
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return 0
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fi
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done
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return 1
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}
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function _has_nexus_subplugin() {
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local subplugin
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for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do
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if [[ "$subplugin" == "nexus" ]]; then
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return 0
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fi
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done
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return 1
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}
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function _has_n1kv_subplugin() {
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local subplugin
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for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do
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if [[ "$subplugin" == "n1kv" ]]; then
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return 0
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fi
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done
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return 1
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}
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# This routine populates the cisco config file with the information for
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# a particular nexus switch
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function _config_switch() {
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local cisco_cfg_file=$1
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local switch_ip=$2
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local username=$3
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local password=$4
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local ssh_port=$5
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shift 5
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local section="NEXUS_SWITCH:$switch_ip"
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iniset $cisco_cfg_file $section username $username
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iniset $cisco_cfg_file $section password $password
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iniset $cisco_cfg_file $section ssh_port $ssh_port
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while [[ ${#@} != 0 ]]; do
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iniset $cisco_cfg_file $section $1 $2
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shift 2
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done
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}
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# Prefix openvswitch plugin routines with "ovs" in order to differentiate from
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# cisco plugin routines. This means, ovs plugin routines will coexist with cisco
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# plugin routines in this script.
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source $TOP_DIR/lib/quantum_plugins/openvswitch
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_prefix_function quantum_plugin_create_nova_conf ovs
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_prefix_function quantum_plugin_install_agent_packages ovs
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_prefix_function quantum_plugin_configure_common ovs
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_prefix_function quantum_plugin_configure_debug_command ovs
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_prefix_function quantum_plugin_configure_dhcp_agent ovs
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_prefix_function quantum_plugin_configure_l3_agent ovs
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_prefix_function quantum_plugin_configure_plugin_agent ovs
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_prefix_function quantum_plugin_configure_service ovs
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_prefix_function quantum_plugin_setup_interface_driver ovs
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_prefix_function has_quantum_plugin_security_group ovs
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# Check the version of the installed ncclient package
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function check_ncclient_version() {
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python << EOF
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version = '$NCCLIENT_VERSION'
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import sys
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try:
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import pkg_resources
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import ncclient
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module_version = pkg_resources.get_distribution('ncclient').version
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if version != module_version:
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sys.exit(1)
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except:
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sys.exit(1)
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EOF
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}
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# Install the ncclient package
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function install_ncclient() {
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git_clone $NCCLIENT_REPO $NCCLIENT_DIR $NCCLIENT_BRANCH
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(cd $NCCLIENT_DIR; sudo python setup.py install)
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}
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# Check if the required version of ncclient has been installed
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function is_ncclient_installed() {
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# Check if the Cisco ncclient repository exists
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if [[ -d $NCCLIENT_DIR ]]; then
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remotes=$(cd $NCCLIENT_DIR; git remote -v | grep fetch | awk '{ print $2}')
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for remote in $remotes; do
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if [[ $remote == $NCCLIENT_REPO ]]; then
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break;
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fi
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done
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if [[ $remote != $NCCLIENT_REPO ]]; then
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return 1
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fi
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else
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return 1
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fi
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# Check if the ncclient is installed with the right version
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if ! check_ncclient_version; then
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return 1
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fi
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return 0
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}
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function has_quantum_plugin_security_group() {
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if _has_ovs_subplugin; then
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ovs_has_quantum_plugin_security_group
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else
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return 1
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fi
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}
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function is_quantum_ovs_base_plugin() {
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# Cisco uses OVS if openvswitch subplugin is deployed
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_has_ovs_subplugin
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return
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}
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# populate required nova configuration parameters
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function quantum_plugin_create_nova_conf() {
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_create_nova_conf
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else
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_quantum_ovs_base_configure_nova_vif_driver
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fi
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}
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function quantum_plugin_install_agent_packages() {
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# Cisco plugin uses openvswitch to operate in one of its configurations
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ovs_quantum_plugin_install_agent_packages
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}
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# Configure common parameters
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function quantum_plugin_configure_common() {
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# setup default subplugins
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if [ ! -v Q_CISCO_PLUGIN_SUBPLUGINS ]; then
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declare -ga Q_CISCO_PLUGIN_SUBPLUGINS
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Q_CISCO_PLUGIN_SUBPLUGINS=(openvswitch nexus)
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fi
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_configure_common
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Q_PLUGIN_EXTRA_CONF_PATH=etc/quantum/plugins/cisco
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Q_PLUGIN_EXTRA_CONF_FILES=(cisco_plugins.ini)
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else
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Q_PLUGIN_CONF_PATH=etc/quantum/plugins/cisco
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Q_PLUGIN_CONF_FILENAME=cisco_plugins.ini
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fi
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Q_PLUGIN_CLASS="quantum.plugins.cisco.network_plugin.PluginV2"
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Q_DB_NAME=cisco_quantum
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}
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function quantum_plugin_configure_debug_command() {
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_configure_debug_command
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fi
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}
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function quantum_plugin_configure_dhcp_agent() {
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iniset $Q_DHCP_CONF_FILE DEFAULT dhcp_agent_manager quantum.agent.dhcp_agent.DhcpAgentWithStateReport
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}
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function quantum_plugin_configure_l3_agent() {
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_configure_l3_agent
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fi
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}
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function _configure_nexus_subplugin() {
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local cisco_cfg_file=$1
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# Install a known compatible ncclient from the Cisco repository if necessary
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if ! is_ncclient_installed; then
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# Preserve the two global variables
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local offline=$OFFLINE
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local reclone=$RECLONE
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# Change their values to allow installation
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OFFLINE=False
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RECLONE=yes
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install_ncclient
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# Restore their values
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OFFLINE=$offline
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RECLONE=$reclone
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fi
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# Setup default nexus switch information
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if [ ! -v Q_CISCO_PLUGIN_SWITCH_INFO ]; then
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declare -A Q_CISCO_PLUGIN_SWITCH_INFO
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HOST_NAME=$(hostname)
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Q_CISCO_PLUGIN_SWITCH_INFO=([1.1.1.1]=stack:stack:22:${HOST_NAME}:1/10)
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else
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iniset $cisco_cfg_file CISCO nexus_driver quantum.plugins.cisco.nexus.cisco_nexus_network_driver_v2.CiscoNEXUSDriver
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fi
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# Setup the switch configurations
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local nswitch
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local sw_info
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local segment
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local sw_info_array
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declare -i count=0
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for nswitch in ${!Q_CISCO_PLUGIN_SWITCH_INFO[@]}; do
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sw_info=${Q_CISCO_PLUGIN_SWITCH_INFO[$nswitch]}
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sw_info_array=${sw_info//:/ }
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sw_info_array=( $sw_info_array )
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count=${#sw_info_array[@]}
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if [[ $count < 5 || $(( ($count-3) % 2 )) != 0 ]]; then
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die $LINENO "Incorrect switch configuration: ${Q_CISCO_PLUGIN_SWITCH_INFO[$nswitch]}"
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fi
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_config_switch $cisco_cfg_file $nswitch ${sw_info_array[@]}
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done
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}
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# Configure n1kv plugin
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function _configure_n1kv_subplugin() {
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local cisco_cfg_file=$1
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# populate the cisco plugin cfg file with the VSM information
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echo "Configuring n1kv in $cisco_cfg_file-- $Q_CISCO_PLUGIN_VSM_IP $Q_CISCO_PLUGIN_VSM_USERNAME $Q_CISCO_PLUGIN_VSM_PASSWORD"
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iniset $cisco_cfg_file N1KV:$Q_CISCO_PLUGIN_VSM_IP username $Q_CISCO_PLUGIN_VSM_USERNAME
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iniset $cisco_cfg_file N1KV:$Q_CISCO_PLUGIN_VSM_IP password $Q_CISCO_PLUGIN_VSM_PASSWORD
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iniset $cisco_cfg_file CISCO_N1K integration_bridge $Q_CISCO_PLUGIN_INTEGRATION_BRIDGE
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iniset $cisco_cfg_file CISCO_N1K enable_tunneling $Q_CISCO_PLUGIN_ENABLE_TUNNELING
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iniset $cisco_cfg_file CISCO_N1K vxlan_id_ranges $Q_CISCO_PLUGIN_VXLAN_ID_RANGES
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iniset $cisco_cfg_file CISCO_N1K network_vlan_ranges $Q_CISCO_PLUGIN_VLAN_RANGES
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# Setup the integration bridge by calling the ovs_base
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OVS_BRIDGE=$Q_CISCO_PLUGIN_INTEGRATION_BRIDGE
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_quantum_ovs_base_setup_bridge $OVS_BRIDGE
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}
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function quantum_plugin_configure_plugin_agent() {
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_configure_plugin_agent
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fi
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}
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function quantum_plugin_configure_service() {
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local subplugin
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local cisco_cfg_file
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if _has_ovs_subplugin; then
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ovs_quantum_plugin_configure_service
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cisco_cfg_file=/${Q_PLUGIN_EXTRA_CONF_FILES[0]}
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else
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cisco_cfg_file=/$Q_PLUGIN_CONF_FILE
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fi
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# Setup the [CISCO_PLUGINS] section
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if [[ ${#Q_CISCO_PLUGIN_SUBPLUGINS[@]} > 2 ]]; then
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die $LINENO "At most two subplugins are supported."
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fi
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if _has_ovs_subplugin && _has_n1kv_subplugin; then
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die $LINENO "OVS subplugin and n1kv subplugin cannot coexist"
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fi
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# Setup the subplugins
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inicomment $cisco_cfg_file CISCO_PLUGINS nexus_plugin
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inicomment $cisco_cfg_file CISCO_PLUGINS vswitch_plugin
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inicomment $cisco_cfg_file CISCO_TEST host
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for subplugin in ${Q_CISCO_PLUGIN_SUBPLUGINS[@]}; do
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case $subplugin in
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nexus) iniset $cisco_cfg_file CISCO_PLUGINS nexus_plugin quantum.plugins.cisco.nexus.cisco_nexus_plugin_v2.NexusPlugin;;
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openvswitch) iniset $cisco_cfg_file CISCO_PLUGINS vswitch_plugin quantum.plugins.openvswitch.ovs_quantum_plugin.OVSQuantumPluginV2;;
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n1kv) iniset $cisco_cfg_file CISCO_PLUGINS vswitch_plugin quantum.plugins.cisco.n1kv.n1kv_quantum_plugin.N1kvQuantumPluginV2;;
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*) die $LINENO "Unsupported cisco subplugin: $subplugin";;
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esac
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done
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if _has_nexus_subplugin; then
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_configure_nexus_subplugin $cisco_cfg_file
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fi
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if _has_n1kv_subplugin; then
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_configure_n1kv_subplugin $cisco_cfg_file
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fi
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}
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function quantum_plugin_setup_interface_driver() {
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local conf_file=$1
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iniset $conf_file DEFAULT interface_driver quantum.agent.linux.interface.OVSInterfaceDriver
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}
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# Restore xtrace
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$MY_XTRACE
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