99 lines
2.3 KiB
Bash
Executable File
99 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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source .env
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function _usage {
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echo "$0 [interface_name]"
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exit 1
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}
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function _get_phy_from_dev {
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if [[ -f /sys/class/net/$WIFI_IFACE/phy80211/name ]] ; then
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WIFI_PHY=$(cat /sys/class/net/$WIFI_IFACE/phy80211/name 2>/dev/null)
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echo "* got '$WIFI_PHY' for device '$WIFI_IFACE'"
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else
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echo "$WIFI_IFACE is not a valid phy80211 device"
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exit 1
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fi
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}
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function _cleanup {
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echo -e "\n* cleaning up..."
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echo "* stopping container"
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docker stop openwrt_1 >/dev/null
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echo "* deleting macvlan interface"
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sudo ip link del macvlan0
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echo -ne "* finished"
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}
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function _gen_config {
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echo "* generating network config"
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set -a
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source .env
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_get_phy_from_dev
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for file in etc/config/*.tpl; do
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envsubst < ${file} > ${file%.tpl}
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docker cp ${file%.tpl} $CONTAINER:/${file%.tpl}
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done
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set +a
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}
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function _init_network {
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echo "* setting up docker network"
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LAN_ID=$(docker network create --driver macvlan \
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--subnet $LAN_SUBNET \
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--aux-address host=$LAN_HOST \
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$LAN_NAME)
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WAN_ID=$(docker network create --driver macvlan \
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-o parent=$WAN_PARENT \
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--subnet $WAN_SUBNET \
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$WAN_NAME)
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sudo ip link add macvlan0 link "dm-${LAN_ID:0:12}" type macvlan mode bridge
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sudo ip addr add $LAN_HOST/24 dev macvlan0
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sudo ip link set macvlan0 up
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sudo ip route add $LAN_SUBNET dev macvlan0
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}
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function _create_or_start_container {
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docker inspect $CONTAINER >/dev/null 2>&1
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if [[ $? -eq 0 ]]; then
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echo "* starting container '$CONTAINER'"
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docker start $CONTAINER
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else
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_init_network
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echo "* creating container $CONTAINER"
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docker create \
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--network $LAN_NAME \
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--cap-add NET_ADMIN \
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--cap-add NET_RAW \
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--hostname openwrt\
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--name $CONTAINER openwrt >/dev/null
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docker network connect $WAN_NAME $CONTAINER
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_gen_config
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docker start $CONTAINER
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fi
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}
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function main {
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test -z $WIFI_IFACE && _usage
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_get_phy_from_dev
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echo "* setting interface '$WIFI_IFACE' to unmanaged"
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nmcli dev set $WIFI_IFACE managed no
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_create_or_start_container
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echo "* moving device $WIFI_PHY to docker network namespace"
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pid=$(docker inspect -f '{{.State.Pid}}' $CONTAINER)
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sudo iw phy "$WIFI_PHY" set netns $pid
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echo "* ready"
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}
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main
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trap "_cleanup" EXIT
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tail --pid=$pid -f /dev/null |