fix wsl default listen host (#542)

This commit is contained in:
ekko
2026-05-08 15:47:03 +08:00
committed by GitHub
parent d54f9479b9
commit 39acd3574a
6 changed files with 14 additions and 67 deletions
+1 -1
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@@ -34,7 +34,7 @@ All key runtime settings are configured from compose variables.
| Variable | Default | Description |
|---|---|---|
| `PORT` | `6060` | Web UI listen port |
| `BIND_HOST` | Node default | Optional Web UI bind host. Leave unset for IPv6 dual-stack when available, or set `0.0.0.0` / `::` explicitly. |
| `BIND_HOST` | `0.0.0.0` | Optional Web UI bind host. Defaults to IPv4 for stable WSL/Windows access. Set `::` explicitly if you want IPv6 listening. |
| `UPSTREAM` | `http://hermes-agent:8642` | Hermes gateway URL (container internal) |
| `HERMES_BIN` | `/opt/hermes/.venv/bin/hermes` | Path to Hermes CLI binary |
| `HERMES_AGENT_IMAGE` | `nousresearch/hermes-agent:latest` | Hermes Agent base image |
+3 -3
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@@ -1,14 +1,14 @@
import { resolve } from 'path'
import { homedir } from 'os'
export function getListenHost(env: Record<string, string | undefined> = process.env): string | undefined {
export function getListenHost(env: Record<string, string | undefined> = process.env): string {
const host = env.BIND_HOST?.trim()
return host || undefined
return host || '0.0.0.0'
}
export const config = {
port: parseInt(process.env.PORT || '8648', 10),
// Default undefined: listenWithFallback tries :: first, falls back to 0.0.0.0
// Default to IPv4 for stable WSL/Windows browser access. Use BIND_HOST=:: explicitly for IPv6.
host: getListenHost(),
upstream: process.env.UPSTREAM || 'http://127.0.0.1:8642',
uploadDir: process.env.UPLOAD_DIR || resolve(homedir(), '.hermes-web-ui', 'upload'),
+5 -60
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@@ -53,66 +53,11 @@ function listen(app: Koa, port: number, host: string): Promise<any> {
})
}
function probeIPv4(port: number): Promise<boolean> {
return new Promise((resolve) => {
// eslint-disable-next-line @typescript-eslint/no-require-imports
const req = require('http').get(`http://127.0.0.1:${port}/health`, (res: any) => {
res.resume()
resolve(true)
})
req.once('error', () => resolve(false))
req.setTimeout(1000, () => {
req.destroy()
resolve(false)
})
})
}
/**
* Try listening on IPv6 dual-stack (::) first. If IPv4 is not reachable through
* that socket, keep IPv6 and add a separate IPv4 listener. Fall back to IPv4
* only when IPv6 is unavailable. Skips fallback when BIND_HOST is explicitly set.
*
* On some systems (e.g. WSL2), binding to :: succeeds but the dual-stack
* doesn't actually accept IPv4 connections. We detect this by probing
* 127.0.0.1 after binding.
*/
async function listenWithFallback(app: Koa, port: number, host?: string): Promise<ListenResult> {
// Explicit host: use it directly.
if (host) {
console.log(`[bootstrap] listening on ${host}:${port}`)
const explicit = await listen(app, port, host)
return { primary: explicit, servers: [explicit] }
}
console.log(`[bootstrap] trying IPv6 dual-stack on ::${port}`)
try {
const s6 = await listen(app, port, '::')
if (await probeIPv4(port)) {
console.log(`[bootstrap] IPv6 dual-stack verified (IPv4 probe ok) on ::${port}`)
return { primary: s6, servers: [s6] }
}
console.log('[bootstrap] IPv6 listener is IPv6-only, adding IPv4 listener on 0.0.0.0')
try {
const s4 = await listen(app, port, '0.0.0.0')
console.log(`[bootstrap] listening on ::${port} and 0.0.0.0:${port}`)
return { primary: s6, servers: [s6, s4] }
} catch (err) {
console.log('[bootstrap] IPv4 listener failed; keeping IPv6 listener')
logger.warn({ err }, 'Could not add IPv4 listener after IPv6-only bind')
return { primary: s6, servers: [s6] }
}
} catch (err: any) {
if (err.code !== 'EADDRNOTAVAIL' && err.code !== 'EAFNOSUPPORT' && err.code !== 'EPROTONOSUPPORT') {
throw err
}
console.log(`[bootstrap] IPv6 not available (${err.code}), falling back to 0.0.0.0`)
const s4 = await listen(app, port, '0.0.0.0')
console.log(`[bootstrap] listening on 0.0.0.0:${port}`)
return { primary: s4, servers: [s4] }
}
const bindHost = host || '0.0.0.0'
console.log(`[bootstrap] listening on ${bindHost}:${port}`)
const primary = await listen(app, port, bindHost)
return { primary, servers: [primary] }
}
/**
@@ -177,7 +122,7 @@ export async function bootstrap() {
})
console.log('[bootstrap] SPA fallback registered')
// Start server — try IPv6 dual-stack first, fall back to IPv4
// Start server using the configured bind host. Default is IPv4 for WSL stability.
const listenResult = await listenWithFallback(app, config.port, config.host)
server = listenResult.primary
servers = listenResult.servers
+1
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@@ -136,6 +136,7 @@ export default {
['AUTH_DISABLED', 'Set to "1" to disable authentication'],
['AUTH_TOKEN', 'Custom auth token (overrides auto-generated)'],
['PORT', 'Server listen port (default: 8648)'],
['BIND_HOST', 'Server bind host (default: 0.0.0.0). Set :: explicitly to enable IPv6 listening.'],
['UPSTREAM', 'Hermes gateway URL (default: http://127.0.0.1:8642)'],
['UPLOAD_DIR', 'Custom upload directory path'],
['CORS_ORIGINS', 'CORS origin config (default: *)'],
+1
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@@ -136,6 +136,7 @@ export default {
['AUTH_DISABLED', '设为 "1" 禁用认证'],
['AUTH_TOKEN', '自定义认证令牌(覆盖自动生成的令牌)'],
['PORT', '服务器监听端口(默认:8648'],
['BIND_HOST', '服务器绑定地址(默认:0.0.0.0)。如需 IPv6,请显式设置为 ::。'],
['UPSTREAM', 'Hermes 网关 URL(默认:http://127.0.0.1:8642'],
['UPLOAD_DIR', '自定义上传目录路径'],
['CORS_ORIGINS', 'CORS 来源配置(默认:*'],
+3 -3
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@@ -2,8 +2,8 @@ import { describe, expect, it } from 'vitest'
import { getListenHost } from '../../packages/server/src/config'
describe('server config', () => {
it('does not force an IPv4 bind host by default', () => {
expect(getListenHost({})).toBeUndefined()
it('defaults to an IPv4 bind host', () => {
expect(getListenHost({})).toBe('0.0.0.0')
})
it('uses BIND_HOST when provided', () => {
@@ -11,6 +11,6 @@ describe('server config', () => {
})
it('ignores blank BIND_HOST values', () => {
expect(getListenHost({ BIND_HOST: ' ' })).toBeUndefined()
expect(getListenHost({ BIND_HOST: ' ' })).toBe('0.0.0.0')
})
})