blob: 4374d41d02c07770fdc1219594fb4dd38fb1d739 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#!/bin/bash
#============================================================================
# ${XEN_SCRIPT_DIR}/vif-openvswitch
#
# Script for configuring a vif using Open vSwitch.
#
# Usage:
# vif-openvswitch (add|remove|online|offline)
#
# Environment vars:
# vif vif interface name (required).
# XENBUS_PATH path to this device's details in the XenStore (required).
#
# Read from the store:
# bridge bridge to add the vif to (optional). Defaults to searching for the
# bridge itself.
#
# up:
# Enslaves the vif interface to the bridge.
#
# down:
# Removes the vif interface from the bridge.
#============================================================================
dir=$(dirname "$0")
. "$dir/vif-common.sh"
bridge=${bridge:-}
bridge=$(xenstore_read_default "$XENBUS_PATH/bridge" "$bridge")
if [ -z "${bridge}" ]
then
bridge=$(ovs-vsctl list-br | cut -d "
" -f 1)
if [ -z "${bridge}" ]
then
fatal "Could not find bridge and none was specified"
fi
fi
tag=${tag:-}
# Domain on VLAN tagged bridge?
RET=0
ovs-vsctl list-br | grep -c ${bridge} 1>/dev/null 2>&1 || RET=1
if [ $RET -eq 1 ]
then
if [[ $bridge =~ \.[[:digit:]]{1,4}$ ]]
then
tag=$(echo ${bridge} | cut -d "." -f 2)
bridge=$(echo ${bridge} | cut -d "." -f 1)
else
fatal "Could not find bridge device ${bridge}"
fi
fi
RET=0
ovs-vsctl list-br | grep -c ${bridge} 1>/dev/null 2>&1 || RET=1
if [ $RET -eq 1 ]
then
fatal "Could not find bridge device ${bridge}"
fi
log debug "Successful vif-bridge $command for ${vif}, bridge ${bridge}."
case "$command" in
online)
ifconfig "${vif}" 0.0.0.0 up
if [ -z $tag ]
then
ovs-vsctl -- --may-exist add-port ${bridge} ${vif}
else
ovs-vsctl -- --may-exist add-port ${bridge} ${vif} tag=${tag}
fi
;;
offline)
ovs-vsctl -- --if-exists del-port ${bridge} ${vif}
ifconfig "$vif" 0.0.0.0 down
;;
esac
if [ "$command" == "online" ]
then
success
fi
|
