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Files
pi-web/src/server/sessiond.ts
T

93 lines
3.9 KiB
JavaScript

#!/usr/bin/env node
import { mkdir, rm } from "node:fs/promises";
import { dirname } from "node:path";
import Fastify from "fastify";
import fastifyWebsocket from "@fastify/websocket";
import { WorkspaceActivityService } from "./activity/workspaceActivityService.js";
import { registerWorkspaceActivityRoutes } from "./activity/workspaceActivityRoutes.js";
import { SessionEventHub } from "./realtime/sessionEventHub.js";
import { AuthService } from "./sessions/authService.js";
import { registerAuthRoutes } from "./sessions/authRoutes.js";
import { PiSessionService } from "./sessions/piSessionService.js";
import { registerSessionRoutes } from "./sessions/sessionRoutes.js";
import { ProjectScopedSpawnTargetResolver } from "./sessions/spawnTargetResolver.js";
import { ProjectService } from "./projects/projectService.js";
import { ProjectStore } from "./storage/projectStore.js";
import { WorkspaceService } from "./workspaces/workspaceService.js";
import { sessiondSocketPath } from "../sessiond/config.js";
import { TerminalService } from "./terminals/terminalService.js";
import { registerTerminalRoutes } from "./terminals/terminalRoutes.js";
import { getPiWebRuntimeComponent } from "./piWebStatus.js";
import { SESSIOND_RUNTIME_CAPABILITIES } from "../shared/capabilities.js";
import { effectivePiWebConfig, maxUploadBytes, spawnSessionsEnabled, subsessionsEnabled } from "../config.js";
const { config } = effectivePiWebConfig();
const app = Fastify({ logger: true, bodyLimit: maxUploadBytes(process.env, config) });
await app.register(fastifyWebsocket);
const eventHub = new SessionEventHub();
const workspaceActivity = new WorkspaceActivityService(eventHub);
const auth = new AuthService();
const spawnTargets = spawnSessionsEnabled(process.env, config)
? new ProjectScopedSpawnTargetResolver({ projects: new ProjectService(new ProjectStore()), workspaces: new WorkspaceService() })
: undefined;
const sessions = new PiSessionService(eventHub, {
modelRegistry: auth.modelRegistry,
workspaceActivity,
logger: app.log,
...(spawnTargets === undefined ? {} : { spawnTargets }),
subsessionsEnabled: spawnTargets !== undefined && subsessionsEnabled(process.env, config),
});
auth.subscribe((change) => { sessions.applyAuthChange(change); });
const terminals = new TerminalService(eventHub, workspaceActivity);
registerWorkspaceActivityRoutes(app, workspaceActivity);
registerAuthRoutes(app, auth);
registerSessionRoutes(app, sessions, eventHub);
registerTerminalRoutes(app, terminals);
app.get("/health", () => {
const runtime = getPiWebRuntimeComponent("sessiond", SESSIOND_RUNTIME_CAPABILITIES);
return {
ok: true,
activeSessions: sessions.activeCount(),
checkedAt: new Date().toISOString(),
version: {
component: runtime.component,
label: runtime.label,
...(runtime.runtimeVersion === undefined ? {} : { runtimeVersion: runtime.runtimeVersion }),
stale: false,
available: runtime.available,
},
};
});
app.get("/runtime", () => getPiWebRuntimeComponent("sessiond", SESSIOND_RUNTIME_CAPABILITIES));
let shuttingDown = false;
async function shutdown(signal: NodeJS.Signals): Promise<void> {
if (shuttingDown) return;
shuttingDown = true;
app.log.info({ signal }, "shutting down session daemon");
terminals.dispose();
auth.dispose();
await sessions.dispose();
await app.close();
}
process.once("SIGINT", (signal) => { void shutdown(signal); });
process.once("SIGTERM", (signal) => { void shutdown(signal); });
const portValue = process.env["PI_WEB_SESSIOND_PORT"];
const port = portValue !== undefined && portValue !== "" ? Number(portValue) : undefined;
const host = process.env["PI_WEB_SESSIOND_HOST"] ?? "127.0.0.1";
if (port !== undefined) {
await app.listen({ port, host });
} else {
const path = sessiondSocketPath();
await mkdir(dirname(path), { recursive: true });
await rm(path, { force: true });
await app.listen({ path });
process.on("exit", () => void rm(path, { force: true }));
}