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Group Mullvad exit nodes by country

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David Heinemeier Hansson
2026-05-28 21:21:33 +02:00
parent 007393387a
commit d3666c5e98
4 changed files with 382 additions and 15 deletions
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test/shell.d/tailscale-test.sh
+40 -2
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@@ -62,16 +62,54 @@ const status = tailscale.parseStatus(JSON.stringify({
TailscaleIPs: ['100.1.1.1', 'fd7a:115c:a1e0::1901:334b'],
Online: true,
OS: 'macos'
},
mullvadExit: {
HostName: 'al-tia-wg-003',
DNSName: 'al-tia-wg-003.mullvad.ts.net.',
TailscaleIPs: ['100.95.87.11'],
Online: true,
OS: 'linux',
ExitNodeOption: true,
ExitNode: false
}
}
}))
assert(status.ok && status.running, 'tailscale parses running status')
assertEqual(status.selfIp, '100.74.97.73', 'tailscale parses self IP')
assertDeepEqual(status.peers.map(peer => peer.HostName), ['alpha', 'zed'], 'tailscale filters offline peers and sorts online peers')
assertDeepEqual(status.peers.map(peer => peer.HostName), ['alpha', 'zed'], 'tailscale filters offline and Mullvad peers and sorts online peers')
assertDeepEqual(status.peers[0].TailscaleIPv6, ['fd7a:115c:a1e0::1901:334b'], 'tailscale preserves peer IPv6 addresses for copy menu')
assert(status.peers[1].ExitNodeOption && status.peers[1].ExitNode, 'tailscale preserves exit node flags')
assertDeepEqual(status.exitNodes.map(peer => peer.HostName), ['zed'], 'tailscale lists only online exit nodes')
assertDeepEqual(status.exitNodes.map(peer => peer.HostName), ['zed'], 'tailscale lists only online tailnet exit nodes')
assert(tailscale.isMullvadPeer({ HostName: 'al-tia-wg-003', DNSName: 'al-tia-wg-003.mullvad.ts.net.' }), 'tailscale detects Mullvad status peers')
const mullvadNodes = tailscale.parseExitNodeList(`
IP HOSTNAME COUNTRY CITY STATUS
100.65.216.13 au-adl-wg-301.mullvad.ts.net Australia Any -
100.65.216.13 au-adl-wg-301.mullvad.ts.net Australia Adelaide -
100.66.11.119 dk-cph-wg-001.mullvad.ts.net Denmark Copenhagen -
100.1.2.3 office.tailnet.ts.net Denmark Office -
# To use an exit node, use tailscale set --exit-node=
`)
assertDeepEqual(
mullvadNodes.map(node => node.DisplayName),
['Adelaide, Australia', 'Copenhagen, Denmark'],
'tailscale parses Mullvad exit nodes and skips duplicate country rows'
)
assertEqual(mullvadNodes[1].DNSName, 'dk-cph-wg-001.mullvad.ts.net', 'tailscale preserves Mullvad hostname as exit node target')
assertDeepEqual(mullvadNodes[1].TailscaleIPs, ['100.66.11.119'], 'tailscale preserves Mullvad exit node IP')
assert(mullvadNodes.every(node => node.Mullvad === true && node.ExitNodeOption === true), 'tailscale marks Mullvad rows as exit nodes')
const mullvadCountries = tailscale.mullvadCountryOptions(mullvadNodes)
assertDeepEqual(
mullvadCountries.map(node => node.DisplayName),
['Australia', 'Denmark'],
'tailscale groups Mullvad exit nodes by country'
)
assertEqual(mullvadCountries[0].DNSName, 'au-adl-wg-301.mullvad.ts.net', 'tailscale uses a country endpoint for grouped countries')
assertEqual(mullvadCountries[1].DNSName, 'dk-cph-wg-001.mullvad.ts.net', 'tailscale falls back to first city endpoint without Any')
const stopped = tailscale.parseStatus(JSON.stringify({
BackendState: 'Stopped',