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feat: add Tailscale binary detection, IP binding modes, and health probe password fix

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This PR includes three main improvements:

1. Tailscale Binary Detection with Fallback Strategies
   - Added findTailscaleBinary() with multi-strategy detection:
     * PATH lookup via 'which' command
     * Known macOS app path (/Applications/Tailscale.app/Contents/MacOS/Tailscale)
     * find /Applications for Tailscale.app
     * locate database lookup
   - Added getTailscaleBinary() with caching
   - Updated all Tailscale operations to use detected binary
   - Added TUI warning when Tailscale binary not found for serve/funnel modes

2. Custom Gateway IP Binding with Fallback
   - New bind mode "custom" allowing user-specified IP with fallback to 0.0.0.0
   - Removed "tailnet" mode (folded into "auto")
   - All modes now support graceful fallback: custom (if fail → 0.0.0.0), loopback (127.0.0.1 → 0.0.0.0), auto (tailnet → 0.0.0.0), lan (0.0.0.0)
   - Added customBindHost config option for custom bind mode
   - Added canBindTo() helper to test IP availability before binding
   - Updated configure and onboarding wizards with new bind mode options

3. Health Probe Password Auth Fix
   - Gateway probe now tries both new and old passwords
   - Fixes issue where password change fails health check if gateway hasn't restarted yet
   - Uses nextConfig password first, falls back to baseConfig password if needed

Files changed:
- src/infra/tailscale.ts: Binary detection + caching
- src/gateway/net.ts: IP binding with fallback logic
- src/config/types.ts: BridgeBindMode type + customBindHost field
- src/commands/configure.ts: Health probe dual-password try + Tailscale detection warning + bind mode UI
- src/wizard/onboarding.ts: Tailscale detection warning + bind mode UI
- src/gateway/server.ts: Use new resolveGatewayBindHost
- src/gateway/call.ts: Updated preferTailnet logic (removed "tailnet" mode)
- src/commands/onboard-types.ts: Updated GatewayBind type
- src/commands/onboard-helpers.ts: resolveControlUiLinks updated
- src/cli/*.ts: Updated bind mode casts
- src/gateway/call.test.ts: Removed "tailnet" mode test
This commit is contained in:
Jefferson Warrior
2026-01-11 14:13:13 -06:00
committed by Peter Steinberger
parent f94ad21f1e
commit c851bdd47a
22 changed files with 587 additions and 98 deletions
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14
src/gateway/call.test.ts
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@@ -74,8 +74,8 @@ describe("callGateway url resolution", () => {
closeReason = "";
});
it("uses tailnet IP when local bind is tailnet", async () => {
loadConfig.mockReturnValue({ gateway: { mode: "local", bind: "tailnet" } });
it("uses tailnet IP when local bind is auto and tailnet is present", async () => {
loadConfig.mockReturnValue({ gateway: { mode: "local", bind: "auto" } });
resolveGatewayPort.mockReturnValue(18800);
pickPrimaryTailnetIPv4.mockReturnValue("100.64.0.1");
@@ -84,16 +84,6 @@ describe("callGateway url resolution", () => {
expect(lastClientOptions?.url).toBe("ws://100.64.0.1:18800");
});
it("uses tailnet IP when local bind is auto and tailnet is present", async () => {
loadConfig.mockReturnValue({ gateway: { mode: "local", bind: "auto" } });
resolveGatewayPort.mockReturnValue(18800);
pickPrimaryTailnetIPv4.mockReturnValue("100.64.0.2");
await callGateway({ method: "health" });
expect(lastClientOptions?.url).toBe("ws://100.64.0.2:18800");
});
it("falls back to loopback when local bind is auto without tailnet IP", async () => {
loadConfig.mockReturnValue({ gateway: { mode: "local", bind: "auto" } });
resolveGatewayPort.mockReturnValue(18800);