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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