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Refine Mullvad exit node picker

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This commit is contained in:
David Heinemeier Hansson
2026-05-28 21:21:33 +02:00
parent d3666c5e98
commit 7bb18c1dd3
4 changed files with 184 additions and 75 deletions
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test/shell.d/tailscale-test.sh
+17 -9
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@@ -87,7 +87,10 @@ 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 -
100.70.240.117 au-bne-wg-301.mullvad.ts.net Australia Brisbane -
100.66.11.119 dk-cph-wg-001.mullvad.ts.net Denmark Copenhagen -
100.101.10.10 us-chi-wg-001.mullvad.ts.net United States Chicago -
100.102.10.10 us-nyc-wg-001.mullvad.ts.net United States New York -
100.1.2.3 office.tailnet.ts.net Denmark Office -
# To use an exit node, use tailscale set --exit-node=
@@ -95,21 +98,26 @@ const mullvadNodes = tailscale.parseExitNodeList(`
assertDeepEqual(
mullvadNodes.map(node => node.DisplayName),
['Adelaide, Australia', 'Copenhagen, Denmark'],
['Adelaide, Australia', 'Brisbane, Australia', 'Copenhagen, Denmark', 'Chicago, United States', 'New York, United States'],
'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')
assertEqual(mullvadNodes[2].DNSName, 'dk-cph-wg-001.mullvad.ts.net', 'tailscale preserves Mullvad hostname as exit node target')
assertDeepEqual(mullvadNodes[2].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)
const mullvadRegions = tailscale.mullvadRegionOptions(mullvadNodes)
assertDeepEqual(
mullvadCountries.map(node => node.DisplayName),
['Australia', 'Denmark'],
'tailscale groups Mullvad exit nodes by country'
mullvadRegions.map(node => node.DisplayName),
['Adelaide, Australia', 'Brisbane, Australia', 'Copenhagen, Denmark', 'Chicago, United States', 'New York, United States'],
'tailscale groups Mullvad exit nodes by unique city region'
)
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')
assertDeepEqual(
mullvadRegions.filter(node => node.Country === 'United States').map(node => node.City),
['Chicago', 'New York'],
'tailscale keeps multiple Mullvad cities within a country'
)
assertEqual(mullvadRegions[0].DNSName, 'au-adl-wg-301.mullvad.ts.net', 'tailscale uses a concrete city endpoint for grouped regions')
assertEqual(mullvadRegions[2].DNSName, 'dk-cph-wg-001.mullvad.ts.net', 'tailscale preserves first available city endpoint')
const stopped = tailscale.parseStatus(JSON.stringify({
BackendState: 'Stopped',