Add devstack for neutron-dynamic-routing stadium project
Change-Id: I406b276f691e68adac935a4a2119efc055df31b1 Implements: blueprint bgp-spinout Partial-Bug: #1560003
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steve.ruan
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======================
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Enabling in Devstack
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======================
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1. Download devstack::
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git clone http://git.openstack.org/openstack-dev/devstack.git
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2. Add neutron-dynamic-routing to devstack. The minimal set of critical local.conf
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additions are following::
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cd devstack
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cat << EOF >> local.conf
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> enable_plugin neutron-dynamic-routing http://git.openstack.org/openstack/neutron-dynamic-routing
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> EOF
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3. run devstack::
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./stack.sh
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Notes:
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1. In default case, neutron-dynamic-routing is installed in allinone mode.
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In multiple nodes environment, for controller node::
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cd devstack
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cat << EOF >> local.conf
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> enable_plugin neutron-dynamic-routing http://git.openstack.org/openstack/neutron-dynamic-routing
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> DR_MODE=dr_plugin
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> EOF
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For the nodes where you want to run dr-agent::
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cd devstack
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cat << EOF >> local.conf
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> enable_plugin neutron-dynamic-routing http://git.openstack.org/openstack/neutron-dynamic-routing
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> DR_MODE=dr_agent
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> EOF
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2. In default case, protocol BGP is enabled for neutron-dynamic-routing.
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You can change "DR_SUPPORTED_PROTOCOLS" in "devstack/settings" to protocols wanted.
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function is_protocol_enabled {
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local enabled=1
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local protocol=$1
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for temp in $DR_SUPPORTED_PROTOCOLS ;do
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if [ $protocol == $temp ] ; then
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enabled=0
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fi
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done
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return $enabled
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}
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##############################
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# BGP Section #
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##############################
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function configure_dr_agent_bgp_config {
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cp $NEUTRON_DYNAMIC_ROUTING_DIR/etc/bgp_dragent.ini.sample $DR_AGENT_BGP_CONF_FILE
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iniset $DR_AGENT_BGP_CONF_FILE DEFAULT verbose True
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iniset $DR_AGENT_BGP_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
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iniset $DR_AGENT_BGP_CONF_FILE BGP bgp_router_id $BGP_ROUTER_ID
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}
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function configure_dr_agent_bgp_driver {
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if [ -z "$BGP_SPEAKER_DRIVER" ] ; then
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BGP_SPEAKER_DRIVER=$RYU_BGP_SPEAKER_DRIVER
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fi
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iniset $DR_AGENT_BGP_CONF_FILE BGP bgp_speaker_driver $BGP_SPEAKER_DRIVER
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}
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#############################
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# Stack Install Section #
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#############################
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#This API will be called for phase "install"
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function dr_configure {
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setup_develop $NEUTRON_DYNAMIC_ROUTING_DIR
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if is_service_enabled q-dr && is_service_enabled q-svc; then
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if is_protocol_enabled BGP; then
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_neutron_service_plugin_class_add $BGP_PLUGIN
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fi
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fi
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}
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#############################
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# Stack Post-config Section #
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#############################
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#This API will be called for phase "post-config"
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function dr_generate_config_files {
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(cd $NEUTRON_DYNAMIC_ROUTING_DIR && exec ./tools/generate_config_file_samples.sh)
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}
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function dr_post_configure {
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if is_service_enabled q-dr-agent; then
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dr_generate_config_files
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if is_protocol_enabled BGP; then
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configure_dr_agent_bgp_config
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configure_dr_agent_bgp_driver
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fi
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fi
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}
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#############################
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# Stack Extra Section #
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#############################
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#This API will be called for phase "extra"
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function start_dr_agent {
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local process="$DR_AGENT_BINARY --config-file $NEUTRON_CONF "
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local bgp_parameter
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if is_protocol_enabled BGP; then
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bgp_parameter="--config-file $DR_AGENT_BGP_CONF_FILE"
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fi
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agent_process=$process$bgp_parameter
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if is_service_enabled q-dr-agent; then
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run_process q-dr-agent "$agent_process"
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fi
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}
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#############################
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# Unstack Section #
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#############################
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#This API will be called for unstack
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function stop_dr_agent {
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stop_process q-dr-agent
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}
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LIBDIR=$NEUTRON_DYNAMIC_ROUTING_DIR/devstack/lib
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source $LIBDIR/dr
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if [[ "$1" == "stack" ]]; then
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case "$2" in
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install)
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echo_summary "Installing neutron-dynamic-routing"
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dr_configure
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;;
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post-config)
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echo_summary "Configuring neutron-dynamic-routing"
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dr_post_configure
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;;
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extra)
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echo_summary "Launching neutron-dynamic-routing agent"
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start_dr_agent
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;;
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esac
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elif [[ "$1" == "unstack" ]]; then
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echo_summary "Uninstalling neutron-dynamic-routing"
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stop_dr_agent
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fi
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#########################
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# Devstack Settings #
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#########################
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# Each service you enable has the following meaning:
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# q-dr - Add this config flag for Openstack Neutron server node
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# q-dr-agent - Add this config flag indicate that dynamic routing agent
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# will be running
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# This can be overridden in the localrc file
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DR_MODE=${DR_MODE:-allinone}
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# DR_MODE is used to configure how devstack works with neutron-dynamic-routing.
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# You can configure it in there ways:
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#
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# DR_MODE=allinone
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# Use this mode if you want to run neutron server and q-dr-agent on same node.
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# Useful for a single node deployment or on the control node of a multi-node
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# devstack environment.
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#
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# DR_MODE=dr_plugin
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# Use this to enable dr plugin extension on neutron server
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#
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# DR_MODE=dr_agent
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# Use this for the nodes where you want to run q-dr-agent in a multi-node
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# devstack environment.
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case $DR_MODE in
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allinone)
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enable_service q-dr q-dr-agent
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;;
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dr_plugin)
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enable_service q-dr
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;;
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dr_agent)
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enable_service q-dr-agent
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;;
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esac
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# DR_SUPPORTED_PROTOCOLS specifies the list of protocols supported
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# by neutron-dynamic-routing project. ONLY BGP is supported as of now
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# and it's enabled by default. The protocols may include: "BGP OSPF ISIS RIP".
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# It can be overridden in the localrc file.
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DR_SUPPORTED_PROTOCOLS=${DR_SUPPORTED_PROTOCOLS:-"BGP"}
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#######################
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# Binary Settings #
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#######################
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NEUTRON_DYNAMIC_ROUTING_DIR=$DEST/neutron-dynamic-routing
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DR_AGENT_BINARY=${DR_AGENT_BINARY:-"$NEUTRON_BIN_DIR/neutron-bgp-dragent"}
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################################
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# Protocol Config Settings #
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################################
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###########
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# BGP #
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###########
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DR_AGENT_BGP_CONF_FILE=${DR_AGENT_BGP_CONF_FILE:-"$NEUTRON_CONF_DIR/bgp_dragent.ini"}
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BGP_ROUTER_ID=${BGP_ROUTER_ID:-"127.0.0.1"}
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BGP_PLUGIN=${BGP_PLUGIN:-"neutron_dynamic_routing.services.bgp.bgp_plugin.BgpPlugin"}
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RYU_BGP_SPEAKER_DRIVER="neutron_dynamic_routing.services.bgp.agent.driver.ryu.driver.RyuBgpDriver"
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