utilities/ovs-ctl.in

   1 #! /bin/sh
   2 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2016 Nicira, Inc.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at:
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 case $0 in
  17     */*) dir0=`echo "$0" | sed 's,/[^/]*$,,'` ;;
  18     *) dir0=./ ;;
  19 esac
  20 . "$dir0/ovs-lib" || exit 1
  21
  22 for dir in "$sbindir" "$bindir" /sbin /bin /usr/sbin /usr/bin; do
  23     case :$PATH: in
  24         *:$dir:*) ;;
  25         *) PATH=$PATH:$dir ;;
  26     esac
  27 done
  28
  29 ## ----- ##
  30 ## start ##
  31 ## ----- ##
  32
  33 # Keep track of removed vports so we can reload them if needed
  34 removed_vports=""
  35
  36 insert_mods () {
  37     # Try loading openvswitch again.
  38     action "Inserting openvswitch module" modprobe openvswitch
  39
  40     for vport in $removed_vports; do
  41         # Don't treat failures to load vports as fatal error
  42         action "Inserting $vport module" modprobe $vport || true
  43     done
  44 }
  45
  46 insert_mod_if_required () {
  47     # If this kernel has no module support, expect we're done.
  48     if test ! -e /proc/modules
  49     then
  50         log_success_msg "Kernel has no loadable module support. Skipping modprobe"
  51         return 0
  52     fi
  53
  54     # If openvswitch is already loaded then we're done.
  55     test -e /sys/module/openvswitch && return 0
  56
  57     # Load openvswitch.  If that's successful then we're done.
  58     insert_mods && return 0
  59
  60     # If the bridge module is loaded, then that might be blocking
  61     # openvswitch.  Try to unload it, if there are no bridges.
  62     test -e /sys/module/bridge || return 1
  63     bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
  64     if test "$bridges" != "*"; then
  65         log_warning_msg "not removing bridge module because bridges exist ($bridges)"
  66         return 1
  67     fi
  68     action "removing bridge module" rmmod bridge || return 1
  69
  70     # Try loading openvswitch again.
  71     insert_mods
  72 }
  73
  74 ovs_vsctl () {
  75     ovs-vsctl --no-wait "$@"
  76 }
  77
  78 set_system_ids () {
  79     set ovs_vsctl set Open_vSwitch .
  80
  81     OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
  82     set "$@" ovs-version="$OVS_VERSION"
  83
  84     case $SYSTEM_ID in
  85         random)
  86             id_file=$etcdir/system-id.conf
  87             uuid_file=$etcdir/install_uuid.conf
  88             if test -e "$id_file"; then
  89                 SYSTEM_ID=`cat "$id_file"`
  90             elif test -e "$uuid_file"; then
  91                 # Migrate from old file name.
  92                 . "$uuid_file"
  93                 SYSTEM_ID=$INSTALLATION_UUID
  94                 echo "$SYSTEM_ID" > "$id_file"
  95             elif SYSTEM_ID=`uuidgen`; then
  96                 echo "$SYSTEM_ID" > "$id_file"
  97             else
  98                 log_failure_msg "missing uuidgen, could not generate system ID"
  99             fi
 100             ;;
 101
 102         '')
 103             log_failure_msg "system ID not configured, please use --system-id"
 104             ;;
 105
 106         *)
 107             ;;
 108     esac
 109     set "$@" external-ids:system-id="\"$SYSTEM_ID\""
 110
 111     set "$@" external-ids:hostname="\"$(hostname -f)\""
 112
 113     if test X"$SYSTEM_TYPE" != X; then
 114         set "$@" system-type="\"$SYSTEM_TYPE\""
 115     else
 116         log_failure_msg "no default system type, please use --system-type"
 117     fi
 118
 119     if test X"$SYSTEM_VERSION" != X; then
 120         set "$@" system-version="\"$SYSTEM_VERSION\""
 121     else
 122         log_failure_msg "no default system version, please use --system-version"
 123     fi
 124
 125     action "Configuring Open vSwitch system IDs" "$@" $extra_ids
 126 }
 127
 128 check_force_cores () {
 129     if test X"$FORCE_COREFILES" = Xyes; then
 130         ulimit -c 67108864
 131     fi
 132 }
 133
 134 del_transient_ports () {
 135     for port in `ovs-vsctl --bare -- --columns=name find port other_config:transient=true`; do
 136         ovs_vsctl -- del-port "$port"
 137     done
 138 }
 139
 140 do_start_ovsdb () {
 141     check_force_cores
 142
 143     if daemon_is_running ovsdb-server; then
 144         log_success_msg "ovsdb-server is already running"
 145     else
 146         # Create initial database or upgrade database schema.
 147         upgrade_db $DB_FILE $DB_SCHEMA || return 1
 148
 149         # Start ovsdb-server.
 150         set ovsdb-server "$DB_FILE"
 151         for db in $EXTRA_DBS; do
 152             case $db in
 153                 /*) ;;
 154                 *) db=$dbdir/$db ;;
 155             esac
 156
 157             if test ! -f "$db"; then
 158                 log_warning_msg "$db (from \$EXTRA_DBS) does not exist."
 159             elif ovsdb-tool db-version "$db" >/dev/null; then
 160                 set "$@" "$db"
 161             else
 162                 log_warning_msg "$db (from \$EXTRA_DBS) cannot be read as a database (see error message above)"
 163             fi
 164         done
 165         if test X"$SELF_CONFINEMENT" = Xno; then
 166             set "$@" --no-self-confinement
 167         fi
 168         set "$@" -vconsole:emer -vsyslog:err -vfile:info
 169         set "$@" --remote=punix:"$DB_SOCK"
 170         set "$@" --private-key=db:Open_vSwitch,SSL,private_key
 171         set "$@" --certificate=db:Open_vSwitch,SSL,certificate
 172         set "$@" --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert
 173         start_daemon "$OVSDB_SERVER_PRIORITY" "$OVSDB_SERVER_WRAPPER" "$@" \
 174             || return 1
 175
 176         # Initialize database settings.
 177         ovs_vsctl -- init -- set Open_vSwitch . db-version="$schemaver" \
 178             || return 1
 179         set_system_ids || return 1
 180         if test X"$DELETE_BRIDGES" = Xyes; then
 181             for bridge in `ovs_vsctl list-br`; do
 182                 ovs_vsctl del-br $bridge
 183             done
 184         fi
 185         if test X"$DELETE_TRANSIENT_PORTS" = Xyes; then
 186             del_transient_ports
 187         fi
 188     fi
 189 }
 190
 191 start_ovsdb() {
 192     if test X"$OVSDB_SERVER" = Xyes; then
 193         do_start_ovsdb || return 1
 194     fi
 195     return 0
 196 }
 197
 198 add_managers () {
 199     # Now that ovs-vswitchd has started and completed its initial
 200     # configuration, tell ovsdb-server to conenct to the remote managers.  We
 201     # used to do this at ovsdb-server startup time, but waiting for
 202     # ovs-vswitchd to finish configuring means that remote managers see less
 203     # churn in the database at startup or restart.  (For example, managers
 204     # won't briefly see empty datapath-id or ofport columns for records that
 205     # exist at startup.)
 206     if test X"$OVSDB_SERVER" = Xyes || test X"$OVS_VSWITCHD" = Xyes; then
 207         if daemon_is_running ovsdb-server \
 208                 && daemon_is_running ovs-vswitchd; then
 209             action "Enabling remote OVSDB managers" \
 210                    ovs-appctl -t ovsdb-server ovsdb-server/add-remote \
 211                    db:Open_vSwitch,Open_vSwitch,manager_options
 212         fi
 213     fi
 214 }
 215
 216 do_start_forwarding () {
 217     check_force_cores
 218
 219     insert_mod_if_required || return 1
 220
 221     if daemon_is_running ovs-vswitchd; then
 222         log_success_msg "ovs-vswitchd is already running"
 223     else
 224         # Increase the limit on the number of open file descriptors.
 225         # On Linux, ovs-vswitchd needs about three file descriptors
 226         # per bridge and "n-handler-threads" file descriptors per bridge
 227         # port, so this allows a very large number of bridges and ports.
 228         MAXFD=65535
 229         if [ $(ulimit -n) -lt $MAXFD ]; then
 230             ulimit -n $MAXFD
 231         fi
 232
 233         # Start ovs-vswitchd.
 234         set ovs-vswitchd unix:"$DB_SOCK"
 235         set "$@" -vconsole:emer -vsyslog:err -vfile:info
 236         if test X"$MLOCKALL" != Xno; then
 237             set "$@" --mlockall
 238         fi
 239         if test X"$SELF_CONFINEMENT" = Xno; then
 240             set "$@" --no-self-confinement
 241         fi
 242         start_daemon "$OVS_VSWITCHD_PRIORITY" "$OVS_VSWITCHD_WRAPPER" "$@" ||
 243             return 1
 244     fi
 245 }
 246
 247 start_forwarding () {
 248     if test X"$OVS_VSWITCHD" = Xyes; then
 249         do_start_forwarding || return 1
 250     fi
 251     return 0
 252 }
 253
 254 ## ---- ##
 255 ## stop ##
 256 ## ---- ##
 257
 258 stop_ovsdb () {
 259     if test X"$OVSDB_SERVER" = Xyes; then
 260         stop_daemon ovsdb-server
 261     fi
 262 }
 263
 264 stop_forwarding () {
 265     if test X"$OVS_VSWITCHD" = Xyes; then
 266         stop_daemon ovs-vswitchd
 267     fi
 268 }
 269
 270 ## ----------------- ##
 271 ## force-reload-kmod ##
 272 ## ----------------- ##
 273
 274 internal_interfaces () {
 275     # Outputs a list of internal interfaces:
 276     #
 277     #   - There is an internal interface for every bridge, whether it
 278     #     has an Interface record or not and whether the Interface
 279     #     record's 'type' is properly set or not.
 280     #
 281     #   - There is an internal interface for each Interface record whose
 282     #     'type' is 'internal'.
 283     #
 284     # But ignore interfaces that don't really exist.
 285     for d in `(ovs_vsctl --bare \
 286                 -- --columns=name find Interface type=internal \
 287                     -- list-br) | sort -u`
 288     do
 289         if test -e "/sys/class/net/$d"; then
 290                 printf "%s " "$d"
 291             fi
 292     done
 293 }
 294
 295 ovs_save () {
 296     bridges=`ovs_vsctl -- --real list-br`
 297     if [ -n "${bridges}" ] && \
 298         "$datadir/scripts/ovs-save" "$1" ${bridges} > "$2"; then
 299         chmod +x "$2"
 300         return 0
 301     fi
 302     [ -z "${bridges}" ] && return 0
 303 }
 304
 305 save_flows_if_required () {
 306     if test X"$DELETE_BRIDGES" != Xyes; then
 307         action "Saving flows" ovs_save save-flows "${script_flows}"
 308     fi
 309 }
 310
 311 save_interfaces () {
 312     "$datadir/scripts/ovs-save" save-interfaces ${ifaces} \
 313         > "${script_interfaces}"
 314 }
 315
 316 flow_restore_wait () {
 317     if test X"$OVS_VSWITCHD" = Xyes; then
 318         ovs_vsctl set open_vswitch . other_config:flow-restore-wait="true"
 319     fi
 320 }
 321
 322 flow_restore_complete () {
 323     if test X"$OVS_VSWITCHD" = Xyes; then
 324         ovs_vsctl --if-exists remove open_vswitch . other_config \
 325                   flow-restore-wait="true"
 326     fi
 327 }
 328
 329 restore_flows () {
 330     [ -x "${script_flows}" ] && \
 331         action "Restoring saved flows" "${script_flows}"
 332 }
 333
 334 restore_interfaces () {
 335     [ ! -x "${script_interfaces}" ] && return 0
 336     action "Restoring interface configuration" "${script_interfaces}"
 337     rc=$?
 338     if test $rc = 0; then
 339         level=debug
 340     else
 341         level=err
 342     fi
 343     log="logger -p daemon.$level -t ovs-save"
 344     $log "interface restore script exited with status $rc:"
 345     $log -f "$script_interfaces"
 346 }
 347
 348 init_restore_scripts () {
 349     script_interfaces=`mktemp`
 350     script_flows=`mktemp`
 351     trap 'rm -f "${script_interfaces}" "${script_flows}"' 0
 352 }
 353
 354 force_reload_kmod () {
 355
 356     if test X"$OVS_VSWITCHD" != Xyes; then
 357         log_failure_msg "Reloading of kmod without ovs-vswitchd is an error"
 358         exit 1
 359     fi
 360
 361     ifaces=`internal_interfaces`
 362     action "Detected internal interfaces: $ifaces" true
 363
 364     init_restore_scripts
 365     save_flows_if_required
 366
 367     # Restart the database first, since a large database may take a
 368     # while to load, and we want to minimize forwarding disruption.
 369     stop_ovsdb
 370     start_ovsdb || return 1
 371
 372     stop_forwarding
 373
 374     if action "Saving interface configuration" save_interfaces; then
 375         :
 376     else
 377         log_warning_msg "Failed to save configuration, not replacing kernel module"
 378         start_forwarding
 379         add_managers
 380         exit 1
 381     fi
 382     chmod +x "$script_interfaces"
 383
 384     for dp in `ovs-dpctl dump-dps`; do
 385         action "Removing datapath: $dp" ovs-dpctl del-dp "$dp"
 386     done
 387
 388     for vport in `awk '/^vport_/ { print $1 }' /proc/modules`; do
 389         action "Removing $vport module" rmmod $vport
 390         if ! grep -q $vport /proc/modules; then
 391             removed_vports="$removed_vports $vport"
 392         fi
 393     done
 394
 395     if test -e /sys/module/openvswitch; then
 396         action "Removing openvswitch module" rmmod openvswitch
 397     fi
 398
 399     # Start vswitchd by asking it to wait till flow restore is finished.
 400     flow_restore_wait
 401     start_forwarding || return 1
 402
 403     # Restore saved flows and inform vswitchd that we are done.
 404     restore_flows
 405     flow_restore_complete
 406     add_managers
 407
 408     restore_interfaces
 409
 410     "$datadir/scripts/ovs-check-dead-ifs"
 411 }
 412
 413 ## ------- ##
 414 ## restart ##
 415 ## ------- ##
 416
 417 restart () {
 418     if daemon_is_running ovsdb-server && daemon_is_running ovs-vswitchd; then
 419         init_restore_scripts
 420         if test X"$OVS_VSWITCHD" = Xyes; then
 421             save_flows_if_required
 422         fi
 423     fi
 424
 425     # Restart the database first, since a large database may take a
 426     # while to load, and we want to minimize forwarding disruption.
 427     stop_ovsdb
 428     start_ovsdb || return 1
 429
 430     stop_forwarding
 431
 432     # Start vswitchd by asking it to wait till flow restore is finished.
 433     flow_restore_wait
 434     start_forwarding || return 1
 435
 436     # Restore saved flows and inform vswitchd that we are done.
 437     restore_flows
 438     flow_restore_complete
 439     add_managers
 440
 441     # Restore the interfaces if required. Return true even if restore fails.
 442     restore_interfaces || true
 443 }
 444
 445 ## --------------- ##
 446 ## enable-protocol ##
 447 ## --------------- ##
 448
 449 enable_protocol () {
 450     # Translate the protocol name to a number, because "iptables -n -L" prints
 451     # some protocols by name (despite the -n) and therefore we need to look for
 452     # both forms.
 453     #
 454     # (iptables -S output is more uniform but old iptables doesn't have it.)
 455     protonum=`grep "^$PROTOCOL[         ]" /etc/protocols | awk '{print $2}'`
 456     if expr X"$protonum" : X'[0-9]\{1,\}$' > /dev/null; then :; else
 457         log_failure_msg "unknown protocol $PROTOCOL"
 458         return 1
 459     fi
 460
 461     name=$PROTOCOL
 462     match="(\$2 == \"$PROTOCOL\" || \$2 == $protonum)"
 463     insert="iptables -I INPUT -p $PROTOCOL"
 464     if test X"$DPORT" != X; then
 465         name="$name to port $DPORT"
 466         match="$match && /dpt:$DPORT/"
 467         insert="$insert --dport $DPORT"
 468     fi
 469     if test X"$SPORT" != X; then
 470         name="$name from port $SPORT"
 471         match="$match && /spt:$SPORT/"
 472         insert="$insert --sport $SPORT"
 473     fi
 474     insert="$insert -j ACCEPT"
 475
 476     if (iptables -n -L INPUT) >/dev/null 2>&1; then
 477         if iptables -n -L INPUT | awk "$match { n++ } END { exit n == 0 }"
 478         then
 479             # There's already a rule for this protocol.  Don't override it.
 480             log_success_msg "iptables already has a rule for $name, not explicitly enabling"
 481         else
 482             action "Enabling $name with iptables" $insert
 483         fi
 484     elif (iptables --version) >/dev/null 2>&1; then
 485         action "cannot list iptables rules, not adding a rule for $name"
 486     else
 487         action "iptables binary not installed, not adding a rule for $name"
 488     fi
 489 }
 490
 491 ## ---- ##
 492 ## main ##
 493 ## ---- ##
 494
 495 set_defaults () {
 496     SYSTEM_ID=
 497
 498     DELETE_BRIDGES=no
 499     DELETE_TRANSIENT_PORTS=no
 500
 501     DAEMON_CWD=/
 502     FORCE_COREFILES=yes
 503     MLOCKALL=yes
 504     SELF_CONFINEMENT=yes
 505     MONITOR=yes
 506     OVSDB_SERVER=yes
 507     OVS_VSWITCHD=yes
 508     OVSDB_SERVER_PRIORITY=-10
 509     OVS_VSWITCHD_PRIORITY=-10
 510     OVSDB_SERVER_WRAPPER=
 511     OVS_VSWITCHD_WRAPPER=
 512
 513     DB_FILE=$dbdir/conf.db
 514     DB_SOCK=$rundir/db.sock
 515     DB_SCHEMA=$datadir/vswitch.ovsschema
 516     EXTRA_DBS=
 517
 518     PROTOCOL=gre
 519     DPORT=
 520     SPORT=
 521
 522     type_file=$etcdir/system-type.conf
 523     version_file=$etcdir/system-version.conf
 524
 525     if test -e "$type_file" ; then
 526         SYSTEM_TYPE=`cat $type_file`
 527         SYSTEM_VERSION=`cat $version_file`
 528     elif test -e "@sysconfdir@/os-release"; then
 529         SYSTEM_TYPE=`. '@sysconfdir@/os-release' && echo "$ID"`
 530         SYSTEM_VERSION=`. '@sysconfdir@/os-release' && echo "$VERSION_ID"`
 531     elif (lsb_release --id) >/dev/null 2>&1; then
 532         SYSTEM_TYPE=`lsb_release --id -s`
 533         system_release=`lsb_release --release -s`
 534         system_codename=`lsb_release --codename -s`
 535         SYSTEM_VERSION="${system_release}-${system_codename}"
 536     else
 537         SYSTEM_TYPE=unknown
 538         SYSTEM_VERSION=unknown
 539     fi
 540 }
 541
 542 usage () {
 543     set_defaults
 544     cat <<EOF
 545 $0: controls Open vSwitch daemons
 546 usage: $0 [OPTIONS] COMMAND
 547
 548 This program is intended to be invoked internally by Open vSwitch startup
 549 scripts.  System administrators should not normally invoke it directly.
 550
 551 Commands:
 552   start              start Open vSwitch daemons
 553   stop               stop Open vSwitch daemons
 554   restart            stop and start Open vSwitch daemons
 555   status             check whether Open vSwitch daemons are running
 556   version            print versions of Open vSwitch daemons
 557   load-kmod          insert modules if not already present
 558   force-reload-kmod  save OVS network device state, stop OVS, unload kernel
 559                      module, reload kernel module, start OVS, restore state
 560   enable-protocol    enable protocol specified in options with iptables
 561   help               display this help message
 562
 563 One of the following options is required for "start", "restart" and "force-reload-kmod":
 564   --system-id=UUID   set specific ID to uniquely identify this system
 565   --system-id=random  use a random but persistent UUID to identify this system
 566
 567 Other important options for "start", "restart" and "force-reload-kmod":
 568   --system-type=TYPE  set system type (e.g. "XenServer")
 569   --system-version=VERSION  set system version (e.g. "5.6.100-39265p")
 570   --external-id="key=value"
 571                      add given key-value pair to Open_vSwitch external-ids
 572   --delete-bridges   delete all bridges just before starting ovs-vswitchd
 573
 574 Less important options for "start", "restart" and "force-reload-kmod":
 575   --daemon-cwd=DIR               set working dir for OVS daemons (default: $DAEMON_CWD)
 576   --no-force-corefiles           do not force on core dumps for OVS daemons
 577   --no-mlockall                  do not lock all of ovs-vswitchd into memory
 578   --ovsdb-server-priority=NICE   set ovsdb-server's niceness (default: $OVSDB_SERVER_PRIORITY)
 579   --ovs-vswitchd-priority=NICE   set ovs-vswitchd's niceness (default: $OVS_VSWITCHD_PRIORITY)
 580
 581 Debugging options for "start", "restart" and "force-reload-kmod":
 582   --ovsdb-server-wrapper=WRAPPER
 583   --ovs-vswitchd-wrapper=WRAPPER
 584      run specified daemon under WRAPPER (either 'valgrind' or 'strace')
 585
 586 File location options:
 587   --db-file=FILE     database file name (default: $DB_FILE)
 588   --db-sock=SOCKET   JSON-RPC socket name (default: $DB_SOCK)
 589   --db-schema=FILE   database schema file name (default: $DB_SCHEMA)
 590
 591 Options for "enable-protocol":
 592   --protocol=PROTOCOL  protocol to enable with iptables (default: gre)
 593   --sport=PORT       source port to match (for tcp or udp protocol)
 594   --dport=PORT       ddestination port to match (for tcp or udp protocol)
 595
 596 Other options:
 597   -h, --help                  display this help message
 598   -V, --version               display version information
 599
 600 Default directories with "configure" option and environment variable override:
 601   logs: @LOGDIR@ (--with-logdir, OVS_LOGDIR)
 602   pidfiles and sockets: @RUNDIR@ (--with-rundir, OVS_RUNDIR)
 603   conf.db: @DBDIR@ (--with-dbdir, OVS_DBDIR)
 604   system configuration: @sysconfdir@ (--sysconfdir, OVS_SYSCONFDIR)
 605   data files: @pkgdatadir@ (--pkgdatadir, OVS_PKGDATADIR)
 606   user binaries: @bindir@ (--bindir, OVS_BINDIR)
 607   system binaries: @sbindir@ (--sbindir, OVS_SBINDIR)
 608
 609 Please report bugs to bugs@openvswitch.org (see REPORTING-BUGS for details).
 610 EOF
 611
 612     exit 0
 613 }
 614
 615 set_option () {
 616     var=`echo "$option" | tr abcdefghijklmnopqrstuvwxyz- ABCDEFGHIJKLMNOPQRSTUVWXYZ_`
 617     eval set=\${$var+yes}
 618     eval old_value=\$$var
 619     if test X$set = X || \
 620         (test $type = bool && \
 621         test X"$old_value" != Xno && test X"$old_value" != Xyes); then
 622         echo >&2 "$0: unknown option \"$arg\" (use --help for help)"
 623         return
 624     fi
 625     eval $var=\$value
 626 }
 627
 628 daemons () {
 629     echo ovsdb-server ovs-vswitchd
 630 }
 631
 632 set_defaults
 633 extra_ids=
 634 command=
 635 for arg
 636 do
 637     case $arg in
 638         -h | --help)
 639             usage
 640             ;;
 641         -V | --version)
 642             echo "$0 (Open vSwitch) $VERSION"
 643             exit 0
 644             ;;
 645         --external-id=*)
 646             value=`expr X"$arg" : 'X[^=]*=\(.*\)'`
 647             case $value in
 648                 *=*)
 649                     extra_ids="$extra_ids external-ids:$value"
 650                     ;;
 651                 *)
 652                     echo >&2 "$0: --external-id argument not in the form \"key=value\""
 653                     exit 1
 654                     ;;
 655             esac
 656             ;;
 657         --[a-z]*=*)
 658             option=`expr X"$arg" : 'X--\([^=]*\)'`
 659             value=`expr X"$arg" : 'X[^=]*=\(.*\)'`
 660             type=string
 661             set_option
 662             ;;
 663         --no-[a-z]*)
 664             option=`expr X"$arg" : 'X--no-\(.*\)'`
 665             value=no
 666             type=bool
 667             set_option
 668             ;;
 669         --[a-z]*)
 670             option=`expr X"$arg" : 'X--\(.*\)'`
 671             value=yes
 672             type=bool
 673             set_option
 674             ;;
 675         -*)
 676             echo >&2 "$0: unknown option \"$arg\" (use --help for help)"
 677             exit 1
 678             ;;
 679         *)
 680             if test X"$command" = X; then
 681                 command=$arg
 682             else
 683                 echo >&2 "$0: exactly one non-option argument required (use --help for help)"
 684                 exit 1
 685             fi
 686             ;;
 687     esac
 688 done
 689 case $command in
 690     start)
 691         start_ovsdb || exit 1
 692         start_forwarding || exit 1
 693         add_managers
 694         ;;
 695     stop)
 696         stop_forwarding
 697         stop_ovsdb
 698         ;;
 699     restart)
 700         restart
 701         ;;
 702     status)
 703         rc=0
 704         for daemon in `daemons`; do
 705             daemon_status $daemon || rc=$?
 706         done
 707         exit $rc
 708         ;;
 709     version)
 710         for daemon in `daemons`; do
 711             $daemon --version
 712         done
 713         ;;
 714     force-reload-kmod)
 715             force_reload_kmod
 716         ;;
 717     load-kmod)
 718         insert_mod_if_required
 719         ;;
 720     enable-protocol)
 721         enable_protocol
 722         ;;
 723     help)
 724         usage
 725         ;;
 726     '')
 727         echo >&2 "$0: missing command name (use --help for help)"
 728         exit 1
 729         ;;
 730     *)
 731         echo >&2 "$0: unknown command \"$command\" (use --help for help)"
 732         exit 1
 733         ;;
 734 esac