mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-01 22:15:51 +00:00
70 lines
1.8 KiB
Bash
Executable File
70 lines
1.8 KiB
Bash
Executable File
# Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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#! /bin/sh
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export PATH=$PATH:/tailscale/bin
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TS_AUTH_KEY="${TS_AUTH_KEY:-}"
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TS_ROUTES="${TS_ROUTES:-}"
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TS_DEST_IP="${TS_DEST_IP:-}"
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TS_EXTRA_ARGS="${TS_EXTRA_ARGS:-}"
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TS_USERSPACE="${TS_USERSPACE:-true}"
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TS_STATE_DIR="${TS_STATE_DIR:-}"
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TS_ACCEPT_DNS="${TS_ACCEPT_DNS:-false}"
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TS_KUBE_SECRET="${TS_KUBE_SECRET:-tailscale}"
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set -e
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TAILSCALED_ARGS="--socket=/tmp/tailscaled.sock"
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if [[ ! -z "${KUBERNETES_SERVICE_HOST}" ]]; then
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TAILSCALED_ARGS="${TAILSCALED_ARGS} --state=kube:${TS_KUBE_SECRET}"
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elif [[ ! -z "${TS_STATE_DIR}" ]]; then
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TAILSCALED_ARGS="${TAILSCALED_ARGS} --statedir=${TS_STATE_DIR}"
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else
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TAILSCALED_ARGS="${TAILSCALED_ARGS} --state=mem:"
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fi
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if [[ "${TS_USERSPACE}" == "true" ]]; then
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if [[ ! -z "${TS_DEST_IP}" ]]; then
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echo "IP forwarding is not supported in userspace mode"
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exit 1
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fi
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TAILSCALED_ARGS="${TAILSCALED_ARGS} --tun=userspace-networking"
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else
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if [[ ! -d /dev/net ]]; then
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mkdir -p /dev/net
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fi
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if [[ ! -c /dev/net/tun ]]; then
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mknod /dev/net/tun c 10 200
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fi
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fi
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echo "Starting tailscaled"
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tailscaled ${TAILSCALED_ARGS} &
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PID=$!
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UP_ARGS="--accept-dns=${TS_ACCEPT_DNS}"
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if [[ ! -z "${TS_ROUTES}" ]]; then
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UP_ARGS="--advertise-routes=${TS_ROUTES} ${UP_ARGS}"
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fi
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if [[ ! -z "${TS_AUTH_KEY}" ]]; then
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UP_ARGS="--authkey=${TS_AUTH_KEY} ${UP_ARGS}"
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fi
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if [[ ! -z "${TS_EXTRA_ARGS}" ]]; then
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UP_ARGS="${UP_ARGS} ${TS_EXTRA_ARGS:-}"
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fi
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echo "Running tailscale up"
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tailscale --socket=/tmp/tailscaled.sock up ${UP_ARGS}
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if [[ ! -z "${TS_DEST_IP}" ]]; then
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echo "Adding iptables rule for DNAT"
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iptables -t nat -I PREROUTING -d "$(tailscale --socket=/tmp/tailscaled.sock ip -4)" -j DNAT --to-destination "${TS_DEST_IP}"
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fi
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wait ${PID}
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