choose-tailscale-exit-node.sh

#!/bin/bash

# Get the list of exit nodes, skipping the first two lines (header)
exit_nodes=$(sudo tailscale exit-node list | tail -n +3 | grep -E '^\s*[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\s+')

# Add a "Disable exit node" option
echo -e "Disable exit node" > tmp_exit_nodes
echo "$exit_nodes" >> tmp_exit_nodes

# Use fzf to select an exit node, formatting as 'Country - City' and previewing IP and Hostname
selected_node=$(cat tmp_exit_nodes | \
fzf --prompt="Select an exit node: " \
--header="Select an exit node or choose to disable" \
)

# Cleanup temporary file
rm tmp_exit_nodes

# Check if the user selected "Disable"
if [[ "$selected_node" == "Disable exit node"* ]]; then
  echo "Disabling exit node..."
  sudo tailscale set --exit-node=
else
  # Extract the IP from the selected option
  exit_ip=$(echo "$selected_node" | awk '{print $1}' | cut -d' ' -f1)
  echo "Setting exit node to $selected_node"
  sudo tailscale set --exit-node="$exit_ip"
fi