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#!/usr/bin/env bash |
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# make system configuration vars available |
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source /etc/os-release |
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# set invocation settings for this script: |
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# -e: Exit immediately if a command exits with a non-zero status. |
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# -u: Treat unset variables as an error when substituting. |
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# -o pipefail: the return value of a pipeline is the status of the last command to exit with a non-zero status, or zero if no command exited with a non-zero status |
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set -eu -o pipefail |
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# save the current directory silently |
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pushd . > /dev/null |
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# make a temporary directory, save the name, and move into it |
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dir="$(mktemp -d)" |
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cd "${dir}" |
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echo -n "Installing Tailscale: Getting version..." |
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# get info for the latest version of Tailscale |
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tarball="$(curl -s 'https://pkgs.tailscale.com/stable/?mode=json' | jq -r .Tarballs.amd64)" |
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version="$(echo ${tarball} | cut -d_ -f2)" |
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echo -n "got ${version}. Downloading..." |
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# download the Tailscale package itself |
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curl -s "https://pkgs.tailscale.com/stable/${tarball}" -o tailscale.tgz |
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echo -n "done. Installing..." |
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# extract the tailscale binaries |
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tar xzf tailscale.tgz |
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tar_dir="$(echo ${tarball} | cut -d. -f1-3)" |
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test -d $tar_dir |
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# create our target directory structure |
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mkdir -p tailscale/usr/{bin,sbin,lib/{systemd/system,extension-release.d}} |
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# pull things into the right place in the target dir structure |
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cp -rf $tar_dir/tailscale tailscale/usr/bin/tailscale |
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cp -rf $tar_dir/tailscaled tailscale/usr/sbin/tailscaled |
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# write a systemd extension-release file |
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echo -e "SYSEXT_LEVEL=1.0\nID=steamos\nVERSION_ID=${VERSION_ID}" >> tailscale/usr/lib/extension-release.d/extension-release.tailscale |
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# create the system extension folder if it doesn't already exist, remove the old version of our tailscale extension, and install our new one |
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mkdir -p /var/lib/extensions |
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rm -rf /var/lib/extensions/tailscale |
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cp -rf tailscale /var/lib/extensions/ |
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# return to our original directory (silently) and clean up |
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popd > /dev/null |
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rm -rf "${dir}" |
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systemd-sysext refresh > /dev/null 2>&1 |
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systemctl daemon-reload > /dev/null |
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systemctl enable systemd-sysext --now |
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systemctl enable tailscaled --now |
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echo "done." |
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echo "If updating, reboot or run the following to finish the process: sudo systemctl restart tailscaled" |
