+++ /dev/null
-#!/bin/bash
-# -*-shell-mode-*-
-
-### expected to be run as root
-
-COMMAND=$0
-
-#################### global vars
-RUN_DIR=/var/run/openvswitch
-DB_CONF_FILE=/etc/openvswitch/conf.db
-DB_SCHEMA=/usr/share/openvswitch/vswitch.ovsschema
-DB_PID_FILE=/var/run/openvswitch/db.pid
-DB_LOG=/var/log/ovs-db.log
-DB_CTL_PATTERN='ovsdb-server.*.ctl'
-##
-DB_SOCKET=/var/run/openvswitch/db.sock
-##
-SWITCH_PID_FILE=/var/run/openvswitch/switch.pid
-SWITCH_LOG=/var/log/ovs-switch.log
-SWITCH_SOCKET=/var/run/openvswitch/switch.sock
-
-#################### helper functions
-
-function kill_pltap_ovs () {
- killall pltap-ovs 2>/dev/null || :
-}
-
-function error {
- echo "$@" >&2
- exit 1
-}
-
-function get_params {
- params=$1; shift
- err_msg="$COMMAND $SUBCOMMAND $(echo $params | perl -pe 's/\S+/<$&>/g')"
- for p in $(echo $params); do
- [[ -z "$@" ]] && error "$err_msg"
- pname=$(echo -n $p|perl -pe 's/\W/_/g')
- eval $pname="$1"; shift
- done
- [[ -n "$@" ]] && error "$err_msg"
-}
-
-function is_switch_running {
- ovs-appctl --target=$SWITCH_SOCKET version >& /dev/null
-}
-
-function is_db_running {
- ovs-appctl --target=$DB_CTRL_SOCKET version >& /dev/null
-}
-
-function tapname () {
- IP=$1; shift
- echo $(ip addr show to "$IP/32" | perl -ne '/^\s*\d+:\s*([\w-]+):/ && print $1')
-}
-
-function wait_server () {
- pid_file=$1; shift
- server_name=$1; shift
- timeout=$1; shift
-
- expire=$(($(date +%s) + $timeout))
-
- ## wait for it to be up - xxx todo - could use a timeout of some kind
- while [ ! -f "$pid_file" ]; do
- echo "Waiting for $server_name to start... $(($expire - $(date +%s)))s left" >&2
- sleep 1;
- [ $(date +%s) -ge $expire ] && return 1
- done
- cat "$pid_file"
-}
-
-function wait_device () {
- tapname=$1; shift
- timeout=$1; shift
-
- expire=$(($(date +%s) + $timeout))
-
- while ! ip link show up | egrep -q "^[0-9]+: +$tapname:"; do
- echo "Waiting for $tapname to come UP...$(($expire - $(date +%s)))s left" >&2
- sleep 1
- [ $(date +%s) -ge $expire ] && return 1
- done
- return 0
-}
-
-######################################## startup
-function start_db () {
- get_params "" "$@"
-
- ## init conf
- conf_dir=$(dirname $DB_CONF_FILE)
- [ -d $conf_dir ] || mkdir -p $conf_dir
- [ -f $DB_CONF_FILE ] || ovsdb-tool create $DB_CONF_FILE $DB_SCHEMA
-
- ## init run
- [ -d $RUN_DIR ] || mkdir -p $RUN_DIR
-
- ## check
- [ -f $DB_CONF_FILE ] || { echo "Could not initialize $DB_CONF_FILE - exiting" ; exit 1 ; }
- [ -d $RUN_DIR ] || { echo "Could not initialize $RUN_DIR - exiting" ; exit 1 ; }
-
- ## run the stuff
- if [ ! -f "$DB_PID_FILE" ]; then
- ovsdb-server --remote=punix:$DB_SOCKET \
- --remote=db:Open_vSwitch,manager_options \
- --private-key=db:SSL,private_key \
- --certificate=db:SSL,certificate \
- --bootstrap-ca-cert=db:SSL,ca_cert \
- --pidfile=$DB_PID_FILE \
- --log-file=$DB_LOG \
- --unixctl=$DB_CTRL_SOCKET \
- --detach >& /dev/null
- else
- echo 'ovsdb-server appears to be running already, *not* starting'
- fi
- wait_server $DB_PID_FILE ovsdb-server 30
- echo $DB_PID_FILE
-}
-
-function start_switch () {
- get_params "" "$@"
-
- # ensure ovsdb-server is running
- is_db_running || { echo "ovsdb-server not running" >&2 ; exit 1 ; }
-
- if [ ! -f "$SWITCH_PID_FILE" ] ; then
- ovs-vswitchd \
- --pidfile=$SWITCH_PID_FILE \
- --log-file=$SWITCH_LOG \
- --unixctl=$SWITCH_SOCKET \
- --detach \
- unix:$DB_SOCKET >& /dev/null
- else
- echo 'ovs-vswitchd appears to be running already, *not* starting'
- fi
- wait_server $SWITCH_PID_FILE ovs-vswitchd 30
-}
-
-# first dumb stab just read "pkill ovsdb-server" and "pkill ovs-vswitchd"
-# quick and dirty : we locate the control file through a search in /var/run
-# caller should be requested to remember and provide this pid instead
-function stop_db () {
- controlfile=$(ls $RUN_DIR/$DB_CTL_PATTERN)
- [ -f $controlfile ] && ovs-appctl --target=$controlfile exit
-}
-
-function stop_switch () {
- ovs-appctl --target=$SWITCH_SOCKET exit || :
-}
-
-function status () {
- pids=$(pgrep '^ovs')
- [ -n "$pids" ] && ps $pids
-}
-
-function start () {
- start_db
- start_switch
-}
-
-function stop () {
- stop_switch
- stop_db
-}
-
-#################### create functions
-function create_bridge () {
-
- get_params "IP/PREFIX" "$@"
-
- IP=${IP_PREFIX%/*}
- PREFIX=${IP_PREFIX#*/}
-
- set -e
- # ensure ovs-vswitchd is running
- is_switch_running || { echo "ovs-vswitchd not running" >&2 ; exit 1 ; }
-
- # check whether the address is already assigned
- TAPNAME=$(tapname $IP)
- if [ ! -z "$TAPNAME" ]; then
- if ovs-vsctl --db=unix:$DB_SOCKET br-exists "$TAPNAME"; then
- echo $TAPNAME
- exit 0
- fi
- kill_pltap_ovs
- error "$IP already assigned to $TAPNAME"
- fi
-
- # we're clear
- TAPNAME=$(pltap-ovs)
- trap kill_pltap_ovs EXIT
- # xxx wouldn't that be safer if left-aligned ?
- vsysc vif_up << EOF
- $TAPNAME
- $IP
- $PREFIX
-EOF
- wait_device $TAPNAME 60 && \
- ovs-vsctl --db=unix:$DB_SOCKET add-br $TAPNAME -- set bridge $TAPNAME datapath_type=planetlab
- echo $TAPNAME
- return 0
-}
-
-function create_port () {
-
- get_params "bridge port" "$@"
-
- # ensure ovs-vswitchd is running
- is_switch_running || { echo "ovs-vswitchd not running" >&2 ; exit 1 ; }
-
- set -e
- if ! ovs-vsctl --db=unix:$DB_SOCKET list-ports "$bridge" | grep -q "^$port\$"; then
- ovs-vsctl --db=unix:$DB_SOCKET add-port "$bridge" "$port" -- set interface "$port" type=tunnel
- fi
- ovs-appctl --target=$SWITCH_SOCKET netdev-tunnel/get-port "$port"
- return 0
-}
-
-function set_remote_endpoint () {
-
- get_params "local_port remote_ip remote_UDP_port" "$@"
-
- # ensure ovs-vswitchd is running
- is_switch_running || { echo "ovs-vswitchd not running" >&2 ; exit 1 ; }
-
- set -e
- ovs-vsctl --db=unix:$DB_SOCKET set interface $local_port \
- options:remote_ip=$remote_ip \
- options:remote_port=$remote_UDP_port
- return 0
-}
-
-#################### del functions
-function del_bridge () {
-
- get_params "bridge_name" "$@"
-
- W=
- if ! is_switch_running; then
- # we can delete the bridge even if ovs-vswitchd is not running,
- # but we need a running ovsdb-server
- is_db_running || { echo "ovsdb-server not running" >&2; exit 1; }
- W="--no-wait"
- fi
-
- if ovs-vsctl --db=unix:$DB_SOCKET br-exists "$bridge_name"; then
- ovs-vsctl --db=unix:$DB_SOCKET $W del-br $bridge_name
- fi
- return 0
-}
-
-function del_port () {
-
- get_params "port" "$@"
-
- W=
- if ! is_switch_running; then
- # we can delete the port even if ovs-vswitchd is not running,
- # but we need a running ovsdb-server
- is_db_running || { echo "ovsdb-server not running" >&2; exit 1; }
- W="--no-wait"
- fi
-
- set -e
- if ovs-vsctl --db=unix:$DB_SOCKET port-to-br "$port" >/dev/null 2>&1; then
- ovs-vsctl --db=unix:$DB_SOCKET $W del-port "$port"
- fi
- return 0
-}
-
-function show () {
-
- get_params "" "$@"
-
- is_db_running || { echo "ovsdb-server not running" >&2; exit 1; }
-
- ovs-vsctl --db=unix:$DB_SOCKET show
-}
-
-####################
-SUPPORTED_SUBCOMMANDS="start stop status
-start_db stop_db start_switch stop_switch
-create_bridge create_port del_bridge del_port
-show set_remote_endpoint"
-
-function main () {
- message="Usage: $COMMAND <subcommand> ...
-Supported subcommands are (dash or underscore is the same):
-$SUPPORTED_SUBCOMMANDS"
- [[ -z "$@" ]] && error "$message"
-
- SUBCOMMAND=$1; shift
- # support dashes instead of underscores
- SUBCOMMAND=$(echo $SUBCOMMAND | sed -e s,-,_,g)
- found=""
- for supported in $SUPPORTED_SUBCOMMANDS; do [ "$SUBCOMMAND" = "$supported" ] && found=yes; done
-
- [ -z "$found" ] && error $message
-
- $SUBCOMMAND "$@"
-}
-
-main "$@"
git://git.onelab.eu / sliver-openvswitch.git / blobdiff