From 966d9a79990fc1c7b909f67fe69786a084ec768b Mon Sep 17 00:00:00 2001 From: Al Miller Date: Thu, 12 Feb 2015 13:58:54 -0800 Subject: [PATCH] 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 --- devstack/README.md | 44 ++++++++++++++++++ devstack/plugin.sh | 108 +++++++++++++++++++++++++++++++++++++++++++++ devstack/settings | 19 ++++++++ 3 files changed, 171 insertions(+) create mode 100644 devstack/README.md create mode 100644 devstack/plugin.sh create mode 100644 devstack/settings diff --git a/devstack/README.md b/devstack/README.md new file mode 100644 index 000000000..47f798ac0 --- /dev/null +++ b/devstack/README.md @@ -0,0 +1,44 @@ +This directory contains the neutron-lbaas devstack plugin. To +configure the neutron load balancer, in the [[local|localrc]] section, +you will need to enable the neutron-lbaas devstack plugin and enable +the LBaaS service by editing the [[local|localrc]] section of your +local.conf file. + +1) Enable the plugin + +To enable the plugin, add a line of the form: + + enable_plugin neutron-lbaas [GITREF] + +where + + is the URL of a neutron-lbaas repository + [GITREF] is an optional git ref (branch/ref/tag). The default is + master. + +For example + + enable_plugin neutron-lbaas https://git.openstack.org/openstack/neutron-lbaas stable/kilo + +2) Enable the LBaaS service + +To enable the LBaaS service, add a line of the form: + + + ENABLED_SERVICES+= + +where + + is "q-lbaasv1" for LBaaS Version 1, or "q-lbaasv2" + for LBaaS Version 2. "q-lbaas" is synonymous with + "q-lbaasv1". + +to the [[local|localrc]] section of local.conf + +For example + + # For LBaaS V2 + ENABLED_SERVICES+=q-lbaasv2 + +For more information, see the "Externally Hosted Plugins" section of +http://docs.openstack.org/developer/devstack/plugins.html. diff --git a/devstack/plugin.sh b/devstack/plugin.sh new file mode 100644 index 000000000..a57cc3487 --- /dev/null +++ b/devstack/plugin.sh @@ -0,0 +1,108 @@ +# function definitions for neutron-lbaas devstack plugin + +function neutron_lbaas_install { + setup_develop $NEUTRON_LBAAS_DIR + neutron_agent_lbaas_install_agent_packages +} + +function neutron_agent_lbaas_install_agent_packages { + if is_ubuntu || is_fedora || is_suse; then + install_package haproxy + fi +} + +function neutron_lbaas_configure_common { + if is_service_enabled $LBAAS_V1 && is_service_enabled $LBAAS_V2; then + die $LINENO "Do not enable both Version 1 and Version 2 of LBaaS." + fi + + cp $NEUTRON_LBAAS_DIR/etc/neutron_lbaas.conf $NEUTRON_LBAAS_CONF + + if is_service_enabled $LBAAS_V2; then + inicomment $NEUTRON_LBAAS_CONF service_providers service_provider + iniadd $NEUTRON_LBAAS_CONF service_providers service_provider\ + "LOADBALANCERV2:Haproxy:neutron_lbaas.services.loadbalancer.drivers.haproxy.synchronous_namespace_driver.HaproxyNSDriver:default" + fi + + if is_service_enabled $LBAAS_V1; then + _neutron_service_plugin_class_add $LBAASV1_PLUGIN + iniset $NEUTRON_CONF DEFAULT service_plugins $Q_SERVICE_PLUGIN_CLASSES + elif is_service_enabled $LBAAS_V2; then + _neutron_service_plugin_class_add $LBAASV2_PLUGIN + iniset $NEUTRON_CONF DEFAULT service_plugins $Q_SERVICE_PLUGIN_CLASSES + fi + + _neutron_deploy_rootwrap_filters $NEUTRON_LBAAS_DIR + + $NEUTRON_BIN_DIR/neutron-db-manage --service lbaas --config-file $NEUTRON_CONF --config-file /$Q_PLUGIN_CONF_FILE upgrade head +} + +function neutron_lbaas_configure_agent { + mkdir -p $LBAAS_AGENT_CONF_PATH + cp $NEUTRON_LBAAS_DIR/etc/lbaas_agent.ini $LBAAS_AGENT_CONF_FILENAME + + # ovs_use_veth needs to be set before the plugin configuration + # occurs to allow plugins to override the setting. + iniset $LBAAS_AGENT_CONF_FILENAME DEFAULT ovs_use_veth $Q_OVS_USE_VETH + + neutron_plugin_setup_interface_driver $LBAAS_AGENT_CONF_FILENAME + + if is_fedora; then + iniset $LBAAS_AGENT_CONF_FILENAME DEFAULT user_group "nobody" + iniset $LBAAS_AGENT_CONF_FILENAME haproxy user_group "nobody" + fi +} + +function neutron_lbaas_start { + run_process q-lbaas "python $AGENT_LBAAS_BINARY --config-file $NEUTRON_CONF --config-file $LBAAS_AGENT_CONF_FILENAME --config-file=$LBAAS_AGENT_CONF_FILENAME" +} + +function neutron_lbaas_stop { + pids=$(ps aux | awk '/haproxy/ { print $2 }') + [ ! -z "$pids" ] && sudo kill $pids +} + +function neutron_lbaas_cleanup { + + # delete all namespaces created by neutron-lbaas + + for ns in $(sudo ip netns list | grep -o -E '(qlbaas|nlbaas)-[0-9a-f-]*'); do + sudo ip netns delete ${ns} + done +} + +# check for service enabled +if is_service_enabled $LBAAS_ANY; then + + if ! is_service_enabled q-svc; then + die "The neutron q-svc service must be enabled to use $LBAAS_ANY" + fi + + if [[ "$1" == "stack" && "$2" == "install" ]]; then + # Perform installation of service source + echo_summary "Installing neutron-lbaas" + neutron_lbaas_install + + elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then + # Configure after the other layer 1 and 2 services have been configured + echo_summary "Configuring neutron-lbaas" + neutron_lbaas_configure_common + neutron_lbaas_configure_agent + + elif [[ "$1" == "stack" && "$2" == "extra" ]]; then + # Initialize and start the LBaaS service + echo_summary "Initializing neutron-lbaas" + neutron_lbaas_start + fi +fi + +if [[ "$1" == "unstack" ]]; then + # Shut down LBaaS services + neutron_lbaas_stop +fi + +if [[ "$1" == "clean" ]]; then + # Remove state and transient data + # Remember clean.sh first calls unstack.sh + neutron_lbaas_cleanup +fi diff --git a/devstack/settings b/devstack/settings new file mode 100644 index 000000000..6f80ab294 --- /dev/null +++ b/devstack/settings @@ -0,0 +1,19 @@ +# settings for LBaaS devstack pluginlib/neutron_plugins/services/loadbalancer + +# For backward compatibility, treat q-lbaas and q-lbaasv1 the same. +# In the future, the q-lbaas may default to q-lbaasv2 + +AGENT_LBAAS_BINARY="$NEUTRON_BIN_DIR/neutron-lbaas-agent" + +LBAAS_V1="q-lbaas q-lbaasv1" +LBAAS_V2="q-lbaasv2" +LBAAS_ANY="$LBAAS_V1 $LBAAS_V2" + +LBAAS_AGENT_CONF_PATH=/etc/neutron/services/loadbalancer/haproxy +LBAAS_AGENT_CONF_FILENAME=$LBAAS_AGENT_CONF_PATH/lbaas_agent.ini + +LBAASV1_PLUGIN=neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPlugin +LBAASV2_PLUGIN=neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPluginv2 + +NEUTRON_LBAAS_DIR=$DEST/neutron-lbaas +NEUTRON_LBAAS_CONF=$NEUTRON_CONF_DIR/neutron_lbaas.conf