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Merge pull request #3800 from holta/iiab-vpn_status

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Improve iiab-vpn command, to show status of each IP in a table (+ better tips!)
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A Holt 2024-09-18 15:14:04 -04:00 • committed by GitHub
commit f21c4c0572
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1 changed files with 8 additions and 4 deletions
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12
roles/tailscale/templates/iiab-vpn
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@ -32,8 +32,8 @@ else
if ! tailscale up --login-server "$VPN_URL" --auth-key "$VPN_KEY" --timeout 8s; then
echo -e "\n\e[41;1mERROR $?: Failed to connect to VPN, so let's try --force-reauth\e[0m\n"
# If 'tailscale up' just above fails w/ exit code 1 ~= "can't change --login-server without --force-reauth" (i.e. if switching login server, e.g. to/from their default (https://controlplane.tailscale.com) -- SEE ALSO: 'tailscale switch -h' and https://tailscale.com/blog/fast-user-switching) then more "brute force" is attempted below...
# https://github.com/tailscale/tailscale/issues/3849 "Please warn that --force-reauth immediately disconnects" (brute force, only as a last resort!)
# https://github.com/tailscale/tailscale/issues/4854 "Tailscale CLI has poor UX with expiring keys" (long-term node keys thankfully mitigate this!)
# https://github.com/tailscale/tailscale/issues/3849 "Please warn that --force-reauth immediately disconnects" (brute force, only as a last resort!)
# https://github.com/tailscale/tailscale/issues/4854 "Tailscale CLI has poor UX with expiring keys" (long-term node keys thankfully mitigate this!)
if ! tailscale up --login-server "$VPN_URL" --auth-key "$VPN_KEY" --force-reauth --timeout 8s; then
echo -e "\n\e[41;1mERROR $?: Failed to connect to VPN, even with --force-reauth\e[0m\n"
exit 1
@ -48,11 +48,15 @@ echo -e " hostname -I"
echo -e " tailscale ip"
echo -e " tailscale status"
echo -e " tailscale whois $(tailscale ip -1)"
echo -e " tailscale whois --json $(tailscale ip -1) | jq"
echo -e " tailscale whois --json $(tailscale ip -1) | jq .Node.Endpoints,.Node.Hostinfo"
echo -e " tailscale ping --verbose [IP or HOSTNAME]"
echo -e " tailscale status --json | grep -B3 tag:"
echo -e " tailscale status --json | jq"
echo -e " systemctl status tailscaled\n"
echo -e "\e[4mTo disconnect from VPN:\e[0m\n"
echo -e " tailscale down\n"
echo -e "\e[4mTo permanently log out of VPN:\e[0m\n"
echo -e " tailscale logout\n"
# More useful output than 'tailscale status'
echo -e "\e[44;1mVPN peers: (rightmost column = online/offline)\e[0m\n"
tailscale status --json | jq -r '.Self,.Peer[] | .Tags[] + " " + .TailscaleIPs[] + " " + .HostName + " " + .DNSName + " " + .OS + " " + .Relay + " " + (.Online|tostring)' | sort -V | column -t