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tag:
priority: 460
type: txt
help: Virtual eXtensible LAN interface
val_help: <vxlanN>; VXLAN interface name
syntax:expression: pattern $VAR(@) "vxlan[0-9]+$"
commit:expression: $VAR(./vni/) != ""; \
"Must configure vxlan vni for $VAR(@)"
begin:
[ -d /sys/module/vxlan ] || sudo modprobe vxlan
create:
if [ -e /sys/class/net/$VAR(@) ]; then
echo "VXLAN interface \"$VAR(@)\" already exists."
exit 1
fi
VXLAN_GROUP=""
VXLAN_VNI="id $VAR(./vni/@)"
VXLAN_TTL="ttl 16"
VXLAN_PORT=""
if [ ! $VAR(./link/) == "" ]; then
VXLAN_DEV="dev $VAR(./link/@)"
fi
if [ ! $VAR(./group/) == "" ]; then
VXLAN_GROUP="group $VAR(./group/@)"
if [ -z "$VXLAN_DEV" ]; then
echo "For multicast VXLAN, link (network interface) must be configured"
exit 1
fi
fi
if [ ! $VAR(./remote/) == "" ]; then
VXLAN_GROUP="remote $VAR(./remote/@)"
fi
if [ -z "$VXLAN_GROUP" ]; then
echo "group or remote must be configured."
exit 1
fi
if [ ! $VAR(./remote-port/) == "" ]; then
VXLAN_PORT="dstport $VAR(./remote-port/@)"
fi
sudo ip link add name $VAR(@) type vxlan \
$VXLAN_VNI $VXLAN_GROUP $VXLAN_TTL $VXLAN_DEV $VXLAN_PORT
sudo ip link set $VAR(@) up
touch /tmp/vxlan-$VAR(@)-create
delete:
if [ ! -e /sys/class/net/$VAR(@) ]; then
echo "VXLAN interface \"$VAR(@)\" does not exist."
else
sudo ip link del dev $VAR(@)
fi
end:
if [ -e /tmp/vxlan-$VAR(@)-create ]; then
rm /tmp/vxlan-$VAR(@)-create
fi
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