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92 lines
2.5 KiB
Bash
Executable File
92 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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CONTAINER=tailscale
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# Starts a container for the tailscale agent.
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# There are no configuration files, and the daemon stores its state in memory
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start() {
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if podman container exists ${CONTAINER}; then
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podman start ${CONTAINER}
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else
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podman run -d --rm \
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--net=podman \
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--name=${CONTAINER} \
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--privileged \
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-v "/dev/net/tun:/dev/net/tun" \
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tailscale/tailscale \
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tailscaled --state=mem:
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# Changing sysctls inside the container to support running an exit node
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cat <<'INIT' | podman exec --privileged ${CONTAINER} /bin/sh
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echo '1' > /proc/sys/net/ipv4/ip_forward ;
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echo '1' > /proc/sys/net/ipv6/conf/all/forwarding ;
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INIT
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fi
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}
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# Print the status of the tailscale connection, as well as the network status
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status() {
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if podman container exists ${CONTAINER}; then
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podman exec -it --privileged ${CONTAINER} tailscale status
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podman exec -it --privileged ${CONTAINER} tailscale netcheck
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fi
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}
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# Because daemon state is in memory, stopping the container removes the node
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# from the network.
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stop() {
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podman stop ${CONTAINER}
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}
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# Really only useful during debugging, saves some typing at the cost of
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# additional container creation.
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clean() {
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podman rm ${CONTAINER} --force
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}
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# Print an alias to stdout to make interacting with tailscale easier, post-start
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# in case debugging needs to happen
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alias() {
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echo "# alias tailscale='podman exec -it --privileged ${CONTAINER} tailscale '"
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}
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# This function shows a usage message, in case something unexpected happened
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usage() {
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echo "Usage: $0 OPERATION"
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echo ""
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echo "This script manages the lifecycle of a Tailscale agent container."
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echo "OPERATION can be one of the following commands:"
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echo " start start the Tailscale agent container"
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echo " stop stop the container"
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echo " status get the auth status and network status of the Tailscale container"
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echo " clean stop and delete the container, helpful when making config changes"
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echo " alias print a helpful shell alias which can be used to interact with tailscale from the host"
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echo " help show this help"
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echo ""
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}
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case $1 in
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start)
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start
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;;
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status)
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status
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;;
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stop)
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stop
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;;
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clean)
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stop
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clean
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;;
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alias)
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alias
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;;
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[hH-]*)
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# This is supposed to match 'help', 'Help', '-h', etc
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usage
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;;
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*)
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# If the script is called with no arguments, such as on startup,
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# start the container
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start
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;;
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esac |