Files
Moltbot/src/infra/process-respawn.ts

52 lines
1.6 KiB
TypeScript

import { spawn } from "node:child_process";
import { hasSupervisorHint } from "./supervisor-markers.js";
type RespawnMode = "spawned" | "supervised" | "disabled" | "failed";
export type GatewayRespawnResult = {
mode: RespawnMode;
pid?: number;
detail?: string;
};
function isTruthy(value: string | undefined): boolean {
if (!value) {
return false;
}
const normalized = value.trim().toLowerCase();
return normalized === "1" || normalized === "true" || normalized === "yes" || normalized === "on";
}
function isLikelySupervisedProcess(env: NodeJS.ProcessEnv = process.env): boolean {
return hasSupervisorHint(env);
}
/**
* Attempt to restart this process with a fresh PID.
* - supervised environments (launchd/systemd): caller should exit and let supervisor restart
* - OPENCLAW_NO_RESPAWN=1: caller should keep in-process restart behavior (tests/dev)
* - otherwise: spawn detached child with current argv/execArgv, then caller exits
*/
export function restartGatewayProcessWithFreshPid(): GatewayRespawnResult {
if (isTruthy(process.env.OPENCLAW_NO_RESPAWN)) {
return { mode: "disabled" };
}
if (isLikelySupervisedProcess(process.env)) {
return { mode: "supervised" };
}
try {
const args = [...process.execArgv, ...process.argv.slice(1)];
const child = spawn(process.execPath, args, {
env: process.env,
detached: true,
stdio: "inherit",
});
child.unref();
return { mode: "spawned", pid: child.pid ?? undefined };
} catch (err) {
const detail = err instanceof Error ? err.message : String(err);
return { mode: "failed", detail };
}
}