|  | # Ryu OpenFlow Controller | 
|  | # ----------------------- | 
|  |  | 
|  | # Save trace setting | 
|  | RYU3_XTRACE=$(set +o | grep xtrace) | 
|  | set +o xtrace | 
|  |  | 
|  |  | 
|  | RYU_DIR=$DEST/ryu | 
|  | # Ryu API Host | 
|  | RYU_API_HOST=${RYU_API_HOST:-127.0.0.1} | 
|  | # Ryu API Port | 
|  | RYU_API_PORT=${RYU_API_PORT:-8080} | 
|  | # Ryu OFP Host | 
|  | RYU_OFP_HOST=${RYU_OFP_HOST:-127.0.0.1} | 
|  | # Ryu OFP Port | 
|  | RYU_OFP_PORT=${RYU_OFP_PORT:-6633} | 
|  | # Ryu Applications | 
|  | RYU_APPS=${RYU_APPS:-ryu.app.simple_isolation,ryu.app.rest} | 
|  |  | 
|  | function configure_ryu { | 
|  | : | 
|  | } | 
|  |  | 
|  | function init_ryu { | 
|  | RYU_CONF_DIR=/etc/ryu | 
|  | if [[ ! -d $RYU_CONF_DIR ]]; then | 
|  | sudo mkdir -p $RYU_CONF_DIR | 
|  | fi | 
|  | sudo chown $STACK_USER $RYU_CONF_DIR | 
|  | RYU_CONF=$RYU_CONF_DIR/ryu.conf | 
|  | sudo rm -rf $RYU_CONF | 
|  |  | 
|  | # Ryu configuration | 
|  | RYU_CONF_CONTENTS=${RYU_CONF_CONTENTS:-"[DEFAULT] | 
|  | app_lists=$RYU_APPS | 
|  | wsapi_host=$RYU_API_HOST | 
|  | wsapi_port=$RYU_API_PORT | 
|  | ofp_listen_host=$RYU_OFP_HOST | 
|  | ofp_tcp_listen_port=$RYU_OFP_PORT | 
|  | neutron_url=http://$Q_HOST:$Q_PORT | 
|  | neutron_admin_username=$Q_ADMIN_USERNAME | 
|  | neutron_admin_password=$SERVICE_PASSWORD | 
|  | neutron_admin_tenant_name=$SERVICE_TENANT_NAME | 
|  | neutron_admin_auth_url=$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_AUTH_PORT/v2.0 | 
|  | neutron_auth_strategy=$Q_AUTH_STRATEGY | 
|  | neutron_controller_addr=tcp:$RYU_OFP_HOST:$RYU_OFP_PORT | 
|  | "} | 
|  | echo "${RYU_CONF_CONTENTS}" > $RYU_CONF | 
|  | } | 
|  |  | 
|  | # install_ryu can be called multiple times as neutron_pluing/ryu may call | 
|  | # this function for neutron-ryu-agent | 
|  | # Make this function idempotent and avoid cloning same repo many times | 
|  | # with RECLONE=yes | 
|  | _RYU_INSTALLED=${_RYU_INSTALLED:-False} | 
|  | function install_ryu { | 
|  | if [[ "$_RYU_INSTALLED" == "False" ]]; then | 
|  | git_clone $RYU_REPO $RYU_DIR $RYU_BRANCH | 
|  | export PYTHONPATH=$RYU_DIR:$PYTHONPATH | 
|  | pip_install $(cat $RYU_DIR/tools/pip-requires) | 
|  | _RYU_INSTALLED=True | 
|  | fi | 
|  | } | 
|  |  | 
|  | function start_ryu { | 
|  | screen_it ryu "cd $RYU_DIR && $RYU_DIR/bin/ryu-manager --config-file $RYU_CONF" | 
|  | } | 
|  |  | 
|  | function stop_ryu { | 
|  | : | 
|  | } | 
|  |  | 
|  | function check_ryu { | 
|  | : | 
|  | } | 
|  |  | 
|  | # Restore xtrace | 
|  | $RYU3_XTRACE |