xenserver/etc_init.d_openvswitch

   1 #!/bin/sh
   2 #
   3 # openvswitch
   4 #
   5 # chkconfig: 2345 09 91
   6 # description: Manage Open vSwitch kernel modules and user-space daemons
   7
   8 # Copyright (C) 2009, 2010, 2011 Nicira, Inc.
   9 #
  10 # Licensed under the Apache License, Version 2.0 (the "License");
  11 # you may not use this file except in compliance with the License.
  12 # You may obtain a copy of the License at:
  13 #
  14 #     http://www.apache.org/licenses/LICENSE-2.0
  15 #
  16 # Unless required by applicable law or agreed to in writing, software
  17 # distributed under the License is distributed on an "AS IS" BASIS,
  18 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19 # See the License for the specific language governing permissions and
  20 # limitations under the License.
  21 ### BEGIN INIT INFO
  22 # Provides:          openvswitch-switch
  23 # Required-Start:
  24 # Required-Stop:
  25 # Default-Start:     2 3 4 5
  26 # Default-Stop:      0 1 6
  27 # Short-Description: Open vSwitch switch
  28 ### END INIT INFO
  29
  30 . /usr/share/openvswitch/scripts/ovs-lib || exit 1
  31 . /etc/xensource-inventory
  32 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
  33
  34 case `cat /etc/xensource/network.conf` in
  35     vswitch|openvswitch)
  36         ;;
  37     bridge)
  38         exit 0
  39         ;;
  40     *)
  41         echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
  42         exit 0
  43         ;;
  44 esac
  45
  46 start_ovs_xapi_sync () {
  47     if daemon_is_running ovs-xapi-sync; then
  48         log_success_msg "ovs-xapi-sync is already running"
  49     else
  50         PYTHONPATH=/usr/share/openvswitch/python \
  51             /usr/share/openvswitch/scripts/ovs-xapi-sync \
  52             --log-file --pidfile --detach --monitor unix:/var/run/openvswitch/db.sock
  53     fi
  54 }
  55
  56 start () {
  57     set ovs_ctl ${1-start}
  58     set "$@" --system-id="$INSTALLATION_UUID"
  59     set "$@" --system-type="$PRODUCT_BRAND"
  60     set "$@" --system-version="$PRODUCT_VERSION-$BUILD_NUMBER"
  61     set "$@" --external-id=xs-system-uuid="$INSTALLATION_UUID"
  62     set "$@" --daemon-cwd=/var/xen/openvswitch
  63     if test X"$FORCE_COREFILES" != X; then
  64         set "$@" --force-corefiles="$FORCE_COREFILES"
  65     fi
  66     if test X"$OVSDB_SERVER_PRIORITY" != X; then
  67         set "$@" --ovsdb-server-priority="$OVSDB_SERVER_PRIORITY"
  68     fi
  69     if test X"$VSWITCHD_PRIORITY" != X; then
  70         set "$@" --ovs-vswitchd-priority="$VSWITCHD_PRIORITY"
  71     fi
  72     if test X"$VSWITCHD_MLOCKALL" != X; then
  73         set "$@" --mlockall="$VSWITCHD_MLOCKALL"
  74     fi
  75     if test ! -e /var/run/openvswitch.booted; then
  76         touch /var/run/openvswitch.booted
  77         set "$@" --delete-bridges
  78     fi
  79     set "$@" $OVS_CTL_OPTS
  80     "$@"
  81
  82     start_ovs_xapi_sync
  83
  84     ovs_ctl --protocol=gre enable-protocol
  85
  86     touch /var/lock/subsys/openvswitch
  87 }
  88
  89 force_reload_kmod () {
  90     start force-reload-kmod
  91
  92     # Restart the high-availability daemon if it is running.  Otherwise
  93     # it loses its heartbeat and reboots the system after a few minutes.
  94     if pidof xhad >/dev/null && test -e /etc/xensource/xhad.conf; then
  95         PATH=$PATH:/opt/xensource/xha
  96         action "Stopping HA daemon" ha_stop_daemon
  97         action "Starting HA daemon" ha_start_daemon
  98     fi
  99
 100     action "Stopping ovs-xapi-sync" stop_daemon ovs-xapi-sync
 101     action "Starting ovs-xapi-sync" start_ovs_xapi_sync
 102 }
 103
 104 stop () {
 105     ovs_ctl stop
 106     stop_daemon ovs-xapi-sync
 107     rm -f /var/lock/subsys/openvswitch
 108 }
 109
 110 restart () {
 111     if [ "$1" = "--save-flows=yes" ]; then
 112         stop_daemon ovs-xapi-sync
 113         start restart
 114     else
 115         stop
 116         start
 117     fi
 118 }
 119
 120 case $1 in
 121     start)
 122         start
 123         ;;
 124     stop)
 125         stop
 126         ;;
 127     restart)
 128         shift
 129         restart "$@"
 130         ;;
 131     reload|force-reload)
 132         # The main OVS daemons keep up-to-date, but ovs-xapi-sync needs help.
 133         if daemon_is_running ovs-xapi-sync; then
 134             action "Configuring Open vSwitch external IDs" \
 135                 ovs-appctl -t ovs-xapi-sync flush-cache
 136         fi
 137         ;;
 138     status)
 139         ovs_ctl status && daemon_status ovs-xapi-sync
 140         ;;
 141     version)
 142         ovs_ctl version
 143         ;;
 144     force-reload-kmod)
 145         force_reload_kmod
 146         ;;
 147     help)
 148         printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
 149         ;;
 150     *)
 151         printf "Unknown command: $1\n"
 152         exit 1
 153         ;;
 154 esac