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Anso
dc3699189d
Phase 3 of the index.ts refactor. Pulls the remote HTTP/WS proxy plumbing,
the WebSocket upgrade dispatcher, and the http/WSS construction out of the
monolith. index.ts drops roughly 620 lines.
New modules:
- proxy/websocketProxy.ts: shared httpProxy.createProxyServer singleton
(used by both the HTTP proxy middleware and the remote WS forwarder)
- proxy/remoteNodeProxy.ts: createRemoteProxyMiddleware() factory; consumes
the isProxyExemptPath helper instead of open-coding the prefix list
- server.ts: createServer(app) returns { server, wss, pilotTunnelWss }
- services/FleetUpdateTrackerService.ts: singleton wrapping the in-flight
fleet update tracker Map with create()/resolve() helpers
- helpers/consoleSession.ts: mintConsoleSession(), isConsoleSessionScope()
- websocket/upgradeHandler.ts: attachUpgrade(server, deps) dispatcher that
runs the manual cookie/JWT verify and delegates to sub-handlers
- websocket/pilotTunnel.ts: handlePilotTunnel (pilot_enroll consumption and
pilot_tunnel registration)
- websocket/notifications.ts: /ws/notifications local subscriber
- websocket/remoteForwarder.ts: remote-node WS proxy with console_session
token exchange for interactive paths
- websocket/logs.ts: /api/stacks/:name/logs supervisor stream
- websocket/hostConsole.ts: /api/system/host-console PTY, Admiral-gated
- websocket/generic.ts: /ws exec + streamStats action dispatch, owns the
terminalWs single-instance reference
- websocket/reject.ts: shared rejectUpgrade helper (replaces five copies)
Service extension:
- NotificationService: setBroadcaster(fn) replaced by subscribe(ws) that
returns an unsubscriber; broadcastToSubscribers is now internal. Subscriber
set lives on the service rather than in index.ts.
Wiring in index.ts:
- const app = createApp() already in place from Phase 2
- const { server, wss, pilotTunnelWss } = createServer(app)
- attachUpgrade(server, { wss, pilotTunnelWss })
- app.use('/api/', createRemoteProxyMiddleware())
- /api/system/console-token route now uses mintConsoleSession()
- deploy/down/update routes read the streaming target via getTerminalWs()
(return type is WebSocket | undefined so the || undefined fallback is gone)
Code review fixes: five duplicated reject helpers collapsed into
websocket/reject.ts; dropped the createTracker/resolveTracker bind
aliases in index.ts so call sites go through the service directly;
removed em dashes; replaced req.url! with req.url || '/'.
20 lines
776 B
TypeScript
20 lines
776 B
TypeScript
import httpProxy from 'http-proxy';
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/**
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* Single process-wide http-proxy instance used to forward WebSocket upgrades
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* to remote Sencho nodes. Shared between the HTTP proxy middleware (for any
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* stray WS->HTTP fallbacks) and the WebSocket upgrade handler.
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*
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* changeOrigin rewrites the Host header to the target, which is required by
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* most reverse-proxy deployments. Errors are logged and the socket destroyed;
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* an unhandled 'error' on this instance would crash the Node event loop.
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*/
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export const wsProxyServer = httpProxy.createProxyServer({ changeOrigin: true });
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wsProxyServer.on('error', (err, _req, socket) => {
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console.error('[WS Proxy] Error:', err.message);
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try {
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(socket as { destroy?: () => void })?.destroy?.();
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} catch { /* ignore */ }
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});
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