januory/deepseek-harness-gateway#dsh-gateway-agent

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The customer-machine access plugin for deepseek-harness-gateway.

What it is

dsh-gateway-agent is a DeepSeek Harness plugin installed in the dsh that runs on a customer machine. It opens a single outbound WebSocket to the gateway and bridges the machine's local dsh web UI over that same tunnel — so the machine needs no inbound port, port mapping, or public IP.

Requirements

• A DeepSeek Harness installation (web profile) on the machine.
• The gateway server (see ../../apps/gateway) running and reachable from the machine, e.g. wss://gateway.example.com/agent.
• A pairing code issued by the gateway administrator.

Install

dsh plugin --profile web add ./plugins/dsh-gateway-agent

(Once published, this becomes dsh plugin --profile web add @januory/dsh-gateway-agent.)

Usage

1. Ask the gateway administrator for a pairing code.
2. Open the machine's dsh web UI and go to Settings → 网关接入 (Gateway access).
3. Enter the gateway address (wss://<gateway-host>/agent) and the pairing code, then click 发起入网申请 (Request onboarding).
4. After the machine is approved at the gateway, the plugin reconnects automatically and keeps the tunnel alive — the machine is then operable from the gateway portal.

Configuration

The plugin persists its configuration as JSON at $DSH_HOME/dsh-gateway-agent/config.json:

Values entered in the 网关接入 UI are saved here; the plugin auto-connects on boot when gatewayUrl is already set.

How it works

The plugin runs as a dsh host plugin (Node) plus a small settings card in the browser client. On the host side it dials gatewayUrl, completes a pairing-code + HMAC challenge-response, then relays browser requests and WebSocket streams from the gateway to the machine's loopback dsh web (127.0.0.1:<dshPort>), injecting an operator cookie minted in-process via the dsh Connection service. Each relayed request is re-declared as one consistent same-origin loopback request: besides rewriting Host, the agent sets Origin (and any Referer) to http://127.0.0.1:<dshPort>, so third-party handlers that require Origin === Host — such as the plugin market's POST routes — work over the tunnel too.

See the project README for the full architecture.

Daemon supervision (optional, off by default)

Tick Settings → 网关接入 → 守护进程服务 and the machine’s dsh lifecycle (start / stop / restart) is owned by a standalone supervisor process, so the gateway portal’s machine catalog can control it remotely.

Leave it unticked if you do not need remote lifecycle control — nothing else changes.