mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 13:05:46 +00:00
93 lines
2.6 KiB
Bash
Executable File
93 lines
2.6 KiB
Bash
Executable File
# Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
|
|
# Use of this source code is governed by a BSD-style
|
|
# license that can be found in the LICENSE file.
|
|
|
|
#! /bin/sh
|
|
|
|
export PATH=$PATH:/tailscale/bin
|
|
|
|
TS_AUTH_KEY="${TS_AUTH_KEY:-}"
|
|
TS_ROUTES="${TS_ROUTES:-}"
|
|
TS_DEST_IP="${TS_DEST_IP:-}"
|
|
TS_EXTRA_ARGS="${TS_EXTRA_ARGS:-}"
|
|
TS_USERSPACE="${TS_USERSPACE:-true}"
|
|
TS_STATE_DIR="${TS_STATE_DIR:-}"
|
|
TS_ACCEPT_DNS="${TS_ACCEPT_DNS:-false}"
|
|
TS_KUBE_SECRET="${TS_KUBE_SECRET:-tailscale}"
|
|
TS_SOCKS5_SERVER="${TS_SOCKS5_SERVER:-}"
|
|
TS_OUTBOUND_HTTP_PROXY_LISTEN="${TS_OUTBOUND_HTTP_PROXY_LISTEN:-}"
|
|
TS_TAILSCALED_EXTRA_ARGS="${TS_TAILSCALED_EXTRA_ARGS:-}"
|
|
TS_SOCKET="${TS_SOCKET:-/tmp/tailscaled.sock}"
|
|
|
|
set -e
|
|
|
|
TAILSCALED_ARGS="--socket=${TS_SOCKET}"
|
|
|
|
if [[ ! -z "${KUBERNETES_SERVICE_HOST}" ]]; then
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --state=kube:${TS_KUBE_SECRET} --statedir=${TS_STATE_DIR:-/tmp}"
|
|
elif [[ ! -z "${TS_STATE_DIR}" ]]; then
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --statedir=${TS_STATE_DIR}"
|
|
else
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --state=mem: --statedir=/tmp"
|
|
fi
|
|
|
|
if [[ "${TS_USERSPACE}" == "true" ]]; then
|
|
if [[ ! -z "${TS_DEST_IP}" ]]; then
|
|
echo "IP forwarding is not supported in userspace mode"
|
|
exit 1
|
|
fi
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --tun=userspace-networking"
|
|
else
|
|
if [[ ! -d /dev/net ]]; then
|
|
mkdir -p /dev/net
|
|
fi
|
|
|
|
if [[ ! -c /dev/net/tun ]]; then
|
|
mknod /dev/net/tun c 10 200
|
|
fi
|
|
fi
|
|
|
|
if [[ ! -z "${TS_SOCKS5_SERVER}" ]]; then
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --socks5-server ${TS_SOCKS5_SERVER}"
|
|
fi
|
|
|
|
if [[ ! -z "${TS_OUTBOUND_HTTP_PROXY_LISTEN}" ]]; then
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} --outbound-http-proxy-listen ${TS_OUTBOUND_HTTP_PROXY_LISTEN}"
|
|
fi
|
|
|
|
if [[ ! -z "${TS_TAILSCALED_EXTRA_ARGS}" ]]; then
|
|
TAILSCALED_ARGS="${TAILSCALED_ARGS} ${TS_TAILSCALED_EXTRA_ARGS}"
|
|
fi
|
|
|
|
handler() {
|
|
echo "Caught SIGINT/SIGTERM, shutting down tailscaled"
|
|
kill -s SIGINT $PID
|
|
wait ${PID}
|
|
}
|
|
|
|
echo "Starting tailscaled"
|
|
tailscaled ${TAILSCALED_ARGS} &
|
|
PID=$!
|
|
trap handler SIGINT SIGTERM
|
|
|
|
UP_ARGS="--accept-dns=${TS_ACCEPT_DNS}"
|
|
if [[ ! -z "${TS_ROUTES}" ]]; then
|
|
UP_ARGS="--advertise-routes=${TS_ROUTES} ${UP_ARGS}"
|
|
fi
|
|
if [[ ! -z "${TS_AUTH_KEY}" ]]; then
|
|
UP_ARGS="--authkey=${TS_AUTH_KEY} ${UP_ARGS}"
|
|
fi
|
|
if [[ ! -z "${TS_EXTRA_ARGS}" ]]; then
|
|
UP_ARGS="${UP_ARGS} ${TS_EXTRA_ARGS:-}"
|
|
fi
|
|
|
|
echo "Running tailscale up"
|
|
tailscale --socket="${TS_SOCKET}" up ${UP_ARGS}
|
|
|
|
if [[ ! -z "${TS_DEST_IP}" ]]; then
|
|
echo "Adding iptables rule for DNAT"
|
|
iptables -t nat -I PREROUTING -d "$(tailscale --socket=${TS_SOCKET} ip -4)" -j DNAT --to-destination "${TS_DEST_IP}"
|
|
fi
|
|
|
|
echo "Waiting for tailscaled to exit"
|
|
wait ${PID} |