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tailscale.sh
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tailscale.sh
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#!/bin/bash
set -euo pipefail
: "${TS_AUTH:=unset}"
start_tailscaled() {
if [[ ! -f /usr/sbin/tailscaled ]]; then
echo "Tailscale not installed"
else
echo "Ensuring tailscale is up to date"
sudo /usr/bin/tailscale update
echo "Starting tailscaled"
tmux new-session -d -s tailscaled 'sudo /usr/sbin/tailscaled --state=mem:'
fi
}
connect_tailscale() {
TS_USERNAME=$(echo "${GITPOD_GIT_USER_NAME}" | tr " " '-')
TS_HOSTNAME="${TS_USERNAME}-${GITPOD_WORKSPACE_ID}"
if [[ "$TS_AUTH" != "unset" ]]; then
echo "TS_AUTH variable present, auto connecting"
sudo -E tailscale up --accept-dns --accept-routes --hostname="$TS_HOSTNAME" --auth-key="$TS_AUTH"
else
echo "TS_AUTH environment variable not set, will prompt for interactive auth"
sudo -E tailscale up --accept-dns --accept-routes --hostname="$TS_HOSTNAME"
fi
}
check_tailscale() {
if /usr/bin/tailscale status >/dev/null 2>&1 ; then
echo "Tailscale up, nothing to do"
else
echo "Tailscale down, connecting"
connect_tailscale
fi
}
if [[ "$TS_AUTH" != "unset" ]]; then
if /usr/bin/tmux has-session -t tailscaled 2>/dev/null; then
echo "Tailscaled Running"
check_tailscale
else
echo "Tailscaled Stopped, Starting"
start_tailscaled
check_tailscale
fi
echo "Tailscale connected: $(tailscale status --peers=false)"
else
echo "You don't have a TS_AUTH key so this example won't run right now"
fi