Add devstack plugin for neutron-lbaas
The devstack team has implemented a plugin method so that individual projects can deliver their devstack setup code in their own repositories. Change-Id: I64a94aeeabe6357b5ea7796e34c9306c55c9ae67
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Al Miller
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devstack/README.md
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44
devstack/README.md
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This directory contains the neutron-lbaas devstack plugin. To
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configure the neutron load balancer, in the [[local|localrc]] section,
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you will need to enable the neutron-lbaas devstack plugin and enable
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the LBaaS service by editing the [[local|localrc]] section of your
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local.conf file.
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1) Enable the plugin
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To enable the plugin, add a line of the form:
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enable_plugin neutron-lbaas <GITURL> [GITREF]
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where
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<GITURL> is the URL of a neutron-lbaas repository
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[GITREF] is an optional git ref (branch/ref/tag). The default is
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master.
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For example
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enable_plugin neutron-lbaas https://git.openstack.org/openstack/neutron-lbaas stable/kilo
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2) Enable the LBaaS service
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To enable the LBaaS service, add a line of the form:
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ENABLED_SERVICES+=<LBAAS-FLAG>
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where
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<LBAAS-FLAG> is "q-lbaasv1" for LBaaS Version 1, or "q-lbaasv2"
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for LBaaS Version 2. "q-lbaas" is synonymous with
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"q-lbaasv1".
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to the [[local|localrc]] section of local.conf
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For example
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# For LBaaS V2
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ENABLED_SERVICES+=q-lbaasv2
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For more information, see the "Externally Hosted Plugins" section of
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http://docs.openstack.org/developer/devstack/plugins.html.
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devstack/plugin.sh
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devstack/plugin.sh
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# function definitions for neutron-lbaas devstack plugin
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function neutron_lbaas_install {
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setup_develop $NEUTRON_LBAAS_DIR
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neutron_agent_lbaas_install_agent_packages
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}
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function neutron_agent_lbaas_install_agent_packages {
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if is_ubuntu || is_fedora || is_suse; then
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install_package haproxy
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fi
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}
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function neutron_lbaas_configure_common {
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if is_service_enabled $LBAAS_V1 && is_service_enabled $LBAAS_V2; then
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die $LINENO "Do not enable both Version 1 and Version 2 of LBaaS."
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fi
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cp $NEUTRON_LBAAS_DIR/etc/neutron_lbaas.conf $NEUTRON_LBAAS_CONF
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if is_service_enabled $LBAAS_V2; then
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inicomment $NEUTRON_LBAAS_CONF service_providers service_provider
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iniadd $NEUTRON_LBAAS_CONF service_providers service_provider\
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"LOADBALANCERV2:Haproxy:neutron_lbaas.services.loadbalancer.drivers.haproxy.synchronous_namespace_driver.HaproxyNSDriver:default"
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fi
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if is_service_enabled $LBAAS_V1; then
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_neutron_service_plugin_class_add $LBAASV1_PLUGIN
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iniset $NEUTRON_CONF DEFAULT service_plugins $Q_SERVICE_PLUGIN_CLASSES
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elif is_service_enabled $LBAAS_V2; then
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_neutron_service_plugin_class_add $LBAASV2_PLUGIN
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iniset $NEUTRON_CONF DEFAULT service_plugins $Q_SERVICE_PLUGIN_CLASSES
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fi
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_neutron_deploy_rootwrap_filters $NEUTRON_LBAAS_DIR
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$NEUTRON_BIN_DIR/neutron-db-manage --service lbaas --config-file $NEUTRON_CONF --config-file /$Q_PLUGIN_CONF_FILE upgrade head
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}
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function neutron_lbaas_configure_agent {
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mkdir -p $LBAAS_AGENT_CONF_PATH
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cp $NEUTRON_LBAAS_DIR/etc/lbaas_agent.ini $LBAAS_AGENT_CONF_FILENAME
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# ovs_use_veth needs to be set before the plugin configuration
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# occurs to allow plugins to override the setting.
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iniset $LBAAS_AGENT_CONF_FILENAME DEFAULT ovs_use_veth $Q_OVS_USE_VETH
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neutron_plugin_setup_interface_driver $LBAAS_AGENT_CONF_FILENAME
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if is_fedora; then
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iniset $LBAAS_AGENT_CONF_FILENAME DEFAULT user_group "nobody"
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iniset $LBAAS_AGENT_CONF_FILENAME haproxy user_group "nobody"
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fi
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}
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function neutron_lbaas_start {
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run_process q-lbaas "python $AGENT_LBAAS_BINARY --config-file $NEUTRON_CONF --config-file $LBAAS_AGENT_CONF_FILENAME --config-file=$LBAAS_AGENT_CONF_FILENAME"
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}
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function neutron_lbaas_stop {
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pids=$(ps aux | awk '/haproxy/ { print $2 }')
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[ ! -z "$pids" ] && sudo kill $pids
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}
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function neutron_lbaas_cleanup {
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# delete all namespaces created by neutron-lbaas
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for ns in $(sudo ip netns list | grep -o -E '(qlbaas|nlbaas)-[0-9a-f-]*'); do
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sudo ip netns delete ${ns}
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done
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}
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# check for service enabled
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if is_service_enabled $LBAAS_ANY; then
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if ! is_service_enabled q-svc; then
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die "The neutron q-svc service must be enabled to use $LBAAS_ANY"
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fi
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if [[ "$1" == "stack" && "$2" == "install" ]]; then
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# Perform installation of service source
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echo_summary "Installing neutron-lbaas"
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neutron_lbaas_install
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elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
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# Configure after the other layer 1 and 2 services have been configured
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echo_summary "Configuring neutron-lbaas"
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neutron_lbaas_configure_common
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neutron_lbaas_configure_agent
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elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
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# Initialize and start the LBaaS service
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echo_summary "Initializing neutron-lbaas"
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neutron_lbaas_start
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fi
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fi
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if [[ "$1" == "unstack" ]]; then
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# Shut down LBaaS services
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neutron_lbaas_stop
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fi
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if [[ "$1" == "clean" ]]; then
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# Remove state and transient data
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# Remember clean.sh first calls unstack.sh
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neutron_lbaas_cleanup
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fi
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19
devstack/settings
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19
devstack/settings
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# settings for LBaaS devstack pluginlib/neutron_plugins/services/loadbalancer
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# For backward compatibility, treat q-lbaas and q-lbaasv1 the same.
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# In the future, the q-lbaas may default to q-lbaasv2
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AGENT_LBAAS_BINARY="$NEUTRON_BIN_DIR/neutron-lbaas-agent"
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LBAAS_V1="q-lbaas q-lbaasv1"
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LBAAS_V2="q-lbaasv2"
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LBAAS_ANY="$LBAAS_V1 $LBAAS_V2"
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LBAAS_AGENT_CONF_PATH=/etc/neutron/services/loadbalancer/haproxy
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LBAAS_AGENT_CONF_FILENAME=$LBAAS_AGENT_CONF_PATH/lbaas_agent.ini
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LBAASV1_PLUGIN=neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPlugin
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LBAASV2_PLUGIN=neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPluginv2
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NEUTRON_LBAAS_DIR=$DEST/neutron-lbaas
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NEUTRON_LBAAS_CONF=$NEUTRON_CONF_DIR/neutron_lbaas.conf
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