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fix: auto-detect tailnet DNS hint

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This commit is contained in:
Peter Steinberger
2025-12-20 14:23:53 +01:00
parent 082b4fb193
commit 3e39dd49aa
5 changed files with 65 additions and 26 deletions
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46
src/infra/tailscale.ts
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@@ -1,3 +1,4 @@
import { existsSync } from "node:fs";
import chalk from "chalk";
import { promptYesNo } from "../cli/prompt.js";
import { danger, info, isVerbose, logVerbose, warn } from "../globals.js";
@@ -7,20 +8,37 @@ import { ensureBinary } from "./binaries.js";
export async function getTailnetHostname(exec: typeof runExec = runExec) {
// Derive tailnet hostname (or IP fallback) from tailscale status JSON.
const { stdout } = await exec("tailscale", ["status", "--json"]);
const parsed = stdout ? (JSON.parse(stdout) as Record<string, unknown>) : {};
const self =
typeof parsed.Self === "object" && parsed.Self !== null
? (parsed.Self as Record<string, unknown>)
: undefined;
const dns =
typeof self?.DNSName === "string" ? (self.DNSName as string) : undefined;
const ips = Array.isArray(self?.TailscaleIPs)
? (self.TailscaleIPs as string[])
: [];
if (dns && dns.length > 0) return dns.replace(/\.$/, "");
if (ips.length > 0) return ips[0];
throw new Error("Could not determine Tailscale DNS or IP");
const candidates = [
"tailscale",
"/Applications/Tailscale.app/Contents/MacOS/Tailscale",
];
let lastError: unknown;
for (const candidate of candidates) {
if (candidate.startsWith("/") && !existsSync(candidate)) continue;
try {
const { stdout } = await exec(candidate, ["status", "--json"]);
const parsed = stdout
? (JSON.parse(stdout) as Record<string, unknown>)
: {};
const self =
typeof parsed.Self === "object" && parsed.Self !== null
? (parsed.Self as Record<string, unknown>)
: undefined;
const dns =
typeof self?.DNSName === "string" ? (self.DNSName as string) : undefined;
const ips = Array.isArray(self?.TailscaleIPs)
? (self.TailscaleIPs as string[])
: [];
if (dns && dns.length > 0) return dns.replace(/\.$/, "");
if (ips.length > 0) return ips[0];
throw new Error("Could not determine Tailscale DNS or IP");
} catch (err) {
lastError = err;
}
}
throw lastError ?? new Error("Could not determine Tailscale DNS or IP");
}
export async function ensureGoInstalled(