feat(ops): restart individual PM2 children and enrich manage UI

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-08-20 22:31:34 +07:00
co-authored by Cursor
parent 84f29057df
commit aa3c2a25b2
12 changed files with 658 additions and 237 deletions
+43
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@@ -0,0 +1,43 @@
const fs = require("fs");
const path = require("path");
function loadEnv(file) {
const out = {};
if (!fs.existsSync(file)) return out;
for (const line of fs.readFileSync(file, "utf8").split("\n")) {
const t = line.trim();
if (!t || t.startsWith("#")) continue;
const i = t.indexOf("=");
if (i === -1) continue;
const key = t.slice(0, i).trim();
let val = t.slice(i + 1).trim();
if (
(val.startsWith('"') && val.endsWith('"')) ||
(val.startsWith("'") && val.endsWith("'"))
) {
val = val.slice(1, -1);
}
out[key] = val;
}
return out;
}
const root = __dirname;
module.exports = {
apps: [
{
name: "jerapah-flow",
cwd: root,
script: "packages/server/runner.js",
interpreter: "node",
instances: 1,
autorestart: true,
max_restarts: 20,
env: {
NODE_ENV: "production",
...loadEnv(path.join(root, ".env")),
},
},
],
};
+61 -1
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@@ -35,6 +35,7 @@ import {
PM2_HTTP_NAME,
PM2_WORKER_NAME,
recreateChildren,
restartPm2Process,
stopPm2App,
} from "./pm2-bridge.js";
@@ -149,6 +150,43 @@ async function waitUntilIdle(timeoutMs, lockToken) {
return { ok: active === 0, active };
}
/** @param {unknown} raw */
function parsePmId(raw) {
if (raw == null || raw === "") return null;
const id = Math.floor(Number(raw));
if (!Number.isFinite(id) || id < 0) return Number.NaN;
return id;
}
async function handleProcessRestart(pmId, reply) {
const lock = tryAcquireOpsLock(`process-restart:${process.pid}`);
if (!lock.ok) {
return reply.code(409).send({ error: lock.error, holder: lock.holder });
}
try {
const restarted = await restartPm2Process(pmId);
return reply.send({ ok: true, ...restarted, status: await buildStatus() });
} catch (err) {
const code = err && typeof err === "object" ? err.code : undefined;
if (code === "BAD_REQUEST") {
return reply.code(400).send({ error: "pmId is required" });
}
if (code === "NOT_FOUND") {
return reply.code(404).send({ error: "process not found" });
}
if (code === "FORBIDDEN") {
return reply.code(403).send({ error: "process is not a JerapahFlow child" });
}
log.error({ err, pmId }, "process restart failed");
return reply.code(500).send({
error: err instanceof Error ? err.message : String(err),
});
} finally {
releaseOpsLock(lock.token);
}
}
async function buildStatus() {
const state = readControlState();
const children = await describeChildren();
@@ -258,9 +296,18 @@ server.post(
"/ops/restart",
{ onRequest: [server.authenticate, server.requireAdmin] },
async (req, reply) => {
const body = /** @type {{ force?: boolean, timeoutMs?: number }} */ (
const body = /** @type {{ force?: boolean, timeoutMs?: number, pmId?: number }} */ (
req.body ?? {}
);
const pmId = parsePmId(body.pmId);
if (pmId != null) {
if (Number.isNaN(pmId)) {
return reply.code(400).send({ error: "pmId is required" });
}
return handleProcessRestart(pmId, reply);
}
const force = Boolean(body.force);
const timeoutMs = Math.min(
Math.max(Number(body.timeoutMs) || DRAIN_DEFAULT_MS, 1_000),
@@ -342,6 +389,19 @@ server.post(
},
);
server.post(
"/ops/process/restart",
{ onRequest: [server.authenticate, server.requireAdmin] },
async (req, reply) => {
const body = /** @type {{ pmId?: number }} */ (req.body ?? {});
const pmId = parsePmId(body.pmId);
if (pmId == null || Number.isNaN(pmId)) {
return reply.code(400).send({ error: "pmId is required" });
}
return handleProcessRestart(pmId, reply);
},
);
server.post(
"/ops/scale",
{ onRequest: [server.authenticate, server.requireAdmin] },
+47 -3
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@@ -130,6 +130,40 @@ export function restartPm2App(name) {
});
}
/**
* Restart a single PM2 process by id. Only jflow-http / jflow-worker.
* @param {number} pmId
* @returns {Promise<{ name: string, pmId: number }>}
*/
export async function restartPm2Process(pmId) {
const id = Math.floor(Number(pmId));
if (!Number.isFinite(id) || id < 0) {
const err = new Error("invalid pmId");
err.code = "BAD_REQUEST";
throw err;
}
const list = await listPm2();
const proc = list.find((p) => Number(p.pm_id) === id);
if (!proc) {
const err = new Error("process not found");
err.code = "NOT_FOUND";
throw err;
}
if (proc.name !== PM2_HTTP_NAME && proc.name !== PM2_WORKER_NAME) {
const err = new Error("process is not a JerapahFlow child");
err.code = "FORBIDDEN";
throw err;
}
await new Promise((resolve, reject) => {
pm2.restart(id, (err) => {
if (err) reject(err);
else resolve();
});
});
return { name: proc.name, pmId: id };
}
/**
* Shared env for child processes.
* @param {{ generation: number }} opts
@@ -251,19 +285,29 @@ export async function describeChildren() {
const mapOne = (p) => ({
name: p.name,
pmId: p.pm_id,
pmId: Number(p.pm_id),
status: p.pm2_env?.status ?? "unknown",
pid: p.pid ?? null,
restarts: p.pm2_env?.restart_time ?? 0,
uptime: p.pm2_env?.pm_uptime ?? null,
generation: Number(p.pm2_env?.JFLOW_CONFIG_GENERATION ?? 0) || null,
memory: Number(p.monit?.memory) || 0,
cpu: Number(p.monit?.cpu) || 0,
});
const httpMapped = http.map(mapOne);
const workersMapped = workers.map(mapOne);
const all = [...httpMapped, ...workersMapped];
return {
http: http.map(mapOne),
workers: workers.map(mapOne),
http: httpMapped,
workers: workersMapped,
httpOnline: http.some((p) => p.pm2_env?.status === "online"),
workerOnlineCount: workers.filter((p) => p.pm2_env?.status === "online").length,
totals: {
memory: all.reduce((sum, p) => sum + p.memory, 0),
cpu: all.reduce((sum, p) => sum + p.cpu, 0),
},
};
}
+5 -1
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@@ -126,7 +126,11 @@ export async function startApp(opts = {}) {
}
});
const registry = createRegistry(server, { queue: workflowQueue });
const registry = createRegistry(server, {
queue: workflowQueue,
// Cron + HTTP triggers enqueue jobs; only the API process may own them.
enableTriggers: runApi,
});
registry.registerWorkflows();
if (runApi) {
registry.registerHttpTriggers();
@@ -0,0 +1,165 @@
import { useState } from "react";
import { errorMessage } from "../api/client.js";
import { HeartbeatsToolbar } from "./HeartbeatsToolbar.jsx";
import { useNotifications } from "../notifications.jsx";
import { formatBytes, formatCpu, formatDuration } from "../lib/format.js";
const MAX_WORKERS = 32;
export function HeartbeatsAndPm2Card({
data,
children,
restart,
processRestart,
workerCount,
desiredWorkers,
onDecreaseWorkers,
onIncreaseWorkers,
onScale,
scalePending = false,
onReload,
reloadPending = false,
}) {
const { notify } = useNotifications();
const [forceRestart, setForceRestart] = useState(false);
const [pendingPmId, setPendingPmId] = useState(null);
async function onRestartAll() {
const label = forceRestart ? "Force restart" : "Restart";
if (
forceRestart &&
!window.confirm("Force restart will interrupt active jobs. Continue?")
) {
return;
}
try {
await restart.mutateAsync({ force: forceRestart });
notify.success(`${label} ok`);
} catch (e) {
notify.error(errorMessage(e, `${label} failed`));
}
}
async function onProcessRestart(pmId) {
const id = Number(pmId);
setPendingPmId(id);
try {
await processRestart.mutateAsync({ pmId: id });
notify.success("Process restart ok");
} catch (e) {
notify.error(errorMessage(e, "Process restart failed"));
} finally {
setPendingPmId(null);
}
}
const heartbeats = data?.heartbeats ?? [];
const httpChildren = children?.http ?? [];
const workerChildren = children?.workers ?? [];
const pm2Children = [...httpChildren, ...workerChildren];
const heartbeatByPid = new Map();
for (const h of heartbeats) {
if (!heartbeatByPid.has(h.pid)) heartbeatByPid.set(h.pid, h);
}
return (
<div className="card bg-base-100 border border-base-300 shadow-sm">
<div className="card-body gap-4">
<h2 className="card-title text-lg">Heartbeats</h2>
<HeartbeatsToolbar
forceRestart={forceRestart}
onForceRestartChange={setForceRestart}
onRestartAll={onRestartAll}
restartPending={restart.isPending}
workerCount={workerCount}
desiredWorkers={desiredWorkers}
onDecreaseWorkers={onDecreaseWorkers}
onIncreaseWorkers={onIncreaseWorkers}
onScale={onScale}
scalePending={scalePending}
onReload={onReload}
reloadPending={reloadPending}
maxWorkers={MAX_WORKERS}
/>
<div className="overflow-x-auto">
<table className="table table-sm">
<thead>
<tr>
<th>Role</th>
<th>Name</th>
<th>PM ID</th>
<th>Status</th>
<th>PID</th>
<th>Generation</th>
<th>Uptime</th>
<th>Memory</th>
<th>CPU</th>
<th>Restarts</th>
<th />
</tr>
</thead>
<tbody>
{pm2Children.map((p) => {
const pid = p.pid ?? null;
const hb = pid != null ? heartbeatByPid.get(pid) : undefined;
const role =
hb?.role ??
(p.name === "jflow-http"
? "http"
: p.name === "jflow-worker"
? "worker"
: p.name ?? "unknown");
const generation = hb?.generation ?? p.generation ?? "—";
const uptimeMs =
p.uptime != null
? Math.max(0, Date.now() - Number(p.uptime))
: hb
? Math.max(0, Date.now() - hb.ts)
: null;
return (
<tr key={p.pmId}>
<td>{role}</td>
<td className="font-mono">{p.name}</td>
<td className="font-mono">{p.pmId}</td>
<td>{p.status}</td>
<td className="font-mono">{pid ?? "—"}</td>
<td className="font-mono">{generation}</td>
<td className="font-mono" title={uptimeMs != null ? `${uptimeMs}ms` : undefined}>
{formatDuration(uptimeMs)}
</td>
<td className="font-mono">{formatBytes(p.memory)}</td>
<td className="font-mono">{formatCpu(p.cpu)}</td>
<td className="font-mono">{p.restarts ?? 0}</td>
<td className="text-end">
<button
type="button"
className="btn btn-xs"
disabled={
processRestart.isPending && pendingPmId === p.pmId
}
onClick={() => onProcessRestart(p.pmId)}
>
Restart
</button>
</td>
</tr>
);
})}
{!pm2Children.length ? (
<tr>
<td colSpan={11} className="opacity-60">
No PM2 children
</td>
</tr>
) : null}
</tbody>
</table>
</div>
</div>
</div>
);
}
@@ -0,0 +1,87 @@
import { LuMinus, LuPlus } from "react-icons/lu";
export function HeartbeatsToolbar({
forceRestart,
onForceRestartChange,
onRestartAll,
restartPending = false,
workerCount,
desiredWorkers,
onDecreaseWorkers,
onIncreaseWorkers,
onScale,
scalePending = false,
onReload,
reloadPending = false,
minWorkers = 0,
maxWorkers = 32,
}) {
return (
<div className="flex flex-col gap-2">
<div className="flex flex-wrap items-center gap-2">
<label className="label cursor-pointer gap-2 px-0">
<input
type="checkbox"
className="checkbox checkbox-sm"
checked={forceRestart}
onChange={(e) => onForceRestartChange(e.target.checked)}
/>
<span className="label-text">Force</span>
</label>
<button
type="button"
className={`btn btn-sm ${forceRestart ? "btn-error" : "btn-primary"}`}
disabled={restartPending}
onClick={onRestartAll}
>
Restart all
</button>
<div className="divider divider-horizontal mx-1" />
<button
type="button"
className="btn btn-circle btn-sm"
aria-label="Decrease workers"
disabled={workerCount <= minWorkers}
onClick={onDecreaseWorkers}
>
<LuMinus className="size-4" />
</button>
<span className="min-w-20 text-center text-sm tabular-nums">
{workerCount} worker{workerCount === 1 ? "" : "s"}
</span>
<button
type="button"
className="btn btn-circle btn-sm"
aria-label="Increase workers"
disabled={workerCount >= maxWorkers}
onClick={onIncreaseWorkers}
>
<LuPlus className="size-4" />
</button>
<button
type="button"
className="btn btn-sm"
disabled={scalePending || workerCount === desiredWorkers}
onClick={onScale}
>
Scale
</button>
<div className="divider divider-horizontal mx-1" />
<button
type="button"
className="btn btn-sm"
disabled={reloadPending}
onClick={onReload}
>
Reload workflows
</button>
</div>
<div className="divider my-0" />
</div>
);
}
@@ -0,0 +1,46 @@
import { LuCircleCheck, LuCircleX } from "react-icons/lu";
export function HttpProcessCard({
httpOnline,
onStart,
onStop,
startPending = false,
stopPending = false,
}) {
return (
<div className="card bg-base-100 border border-base-300 shadow-sm">
<div className="card-body gap-4">
<h2 className="card-title text-lg">HTTP process</h2>
<div className="flex items-center gap-2">
{httpOnline ? (
<LuCircleCheck className="size-6 text-success" aria-hidden />
) : (
<LuCircleX className="size-6 text-error" aria-hidden />
)}
<span>{httpOnline ? "Running" : "Stopped"}</span>
</div>
<div className="card-actions justify-start px-0">
{httpOnline ? (
<button
type="button"
className="btn btn-sm btn-warning"
disabled={stopPending}
onClick={onStop}
>
Stop HTTP
</button>
) : (
<button
type="button"
className="btn btn-sm btn-primary"
disabled={startPending}
onClick={onStart}
>
Start HTTP
</button>
)}
</div>
</div>
</div>
);
}
@@ -0,0 +1,17 @@
import { formatBytes, formatCpu } from "../lib/format.js";
export function ProcessResourcesCard({ children }) {
const totals = children?.totals ?? { memory: 0, cpu: 0 };
return (
<div className="card bg-base-100 border border-base-300 shadow-sm">
<div className="card-body gap-4">
<h2 className="card-title text-lg">Resources</h2>
<div className="space-y-1 text-sm tabular-nums">
<p>{formatBytes(totals.memory)} memory total</p>
<p>{formatCpu(totals.cpu)} CPU total</p>
</div>
</div>
</div>
);
}
+61
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@@ -0,0 +1,61 @@
import { LuCircleCheck, LuCirclePause } from "react-icons/lu";
export function QueueCard({
paused = false,
workersOnline = 0,
queuedJobs = 0,
activeJobs = 0,
onPause,
onResume,
pausePending = false,
resumePending = false,
}) {
return (
<div className="card bg-base-100 border border-base-300 shadow-sm">
<div className="card-body gap-4">
<h2 className="card-title text-lg">Queue</h2>
<div className="flex items-center gap-2">
{paused ? (
<LuCirclePause className="size-6 text-warning" aria-hidden />
) : (
<LuCircleCheck className="size-6 text-success" aria-hidden />
)}
<span>
{paused
? "Paused"
: `Running (${workersOnline} worker${workersOnline === 1 ? "" : "s"})`}
</span>
</div>
<div className="space-y-1 text-sm tabular-nums">
<p>
{activeJobs} running job{activeJobs === 1 ? "" : "s"}
</p>
<p>
{queuedJobs} queued job{queuedJobs === 1 ? "" : "s"}
</p>
</div>
<div className="card-actions justify-start px-0">
{paused ? (
<button
type="button"
className="btn btn-sm btn-primary"
disabled={resumePending}
onClick={onResume}
>
Resume workers
</button>
) : (
<button
type="button"
className="btn btn-sm btn-warning"
disabled={pausePending}
onClick={onPause}
>
Pause workers
</button>
)}
</div>
</div>
</div>
);
}
+16
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@@ -3,12 +3,28 @@
themes: light --default, dark --prefersdark;
}
@property --value {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
html,
body,
#root {
min-height: 100%;
}
.radial-progress {
transition:
--value 0.7s ease-out,
--radialprogress 0.7s ease-out;
}
.radial-progress::after {
transition: transform 0.7s ease-out;
}
.mermaid-clickable [id^="s"] {
cursor: pointer;
}
+31
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@@ -0,0 +1,31 @@
export function formatBytes(bytes) {
const n = Number(bytes);
if (!Number.isFinite(n)) return "—";
if (n === 0) return "0 KB";
if (n < 1024 * 1024) return `${Math.round(n / 1024)} KB`;
return `${(n / (1024 * 1024)).toFixed(1)} MB`;
}
export function formatCpu(cpu) {
const n = Number(cpu);
if (!Number.isFinite(n)) return "—";
return `${n.toFixed(1)}%`;
}
/** Compact duration from milliseconds (e.g. `850ms`, `12s`, `5m 3s`, `2h 15m`, `3d 4h`). */
export function formatDuration(ms) {
const n = Number(ms);
if (!Number.isFinite(n) || n < 0) return "—";
if (n < 1000) return `${Math.round(n)}ms`;
const sec = Math.floor(n / 1000);
if (sec < 60) return `${sec}s`;
const min = Math.floor(sec / 60);
const s = sec % 60;
if (min < 60) return s ? `${min}m ${s}s` : `${min}m`;
const hr = Math.floor(min / 60);
const m = min % 60;
if (hr < 48) return m ? `${hr}h ${m}m` : `${hr}h`;
const days = Math.floor(hr / 24);
const h = hr % 24;
return h ? `${days}d ${h}h` : `${days}d`;
}
+79 -232
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@@ -1,9 +1,9 @@
import { useState } from "react";
import { useEffect, useState } from "react";
import {
useOpsBumpGeneration,
useOpsHttpStart,
useOpsHttpStop,
useOpsPause,
useOpsProcessRestart,
useOpsReload,
useOpsRestart,
useOpsResume,
@@ -11,11 +11,20 @@ import {
useOpsStatus,
} from "../api/hooks.js";
import { errorMessage } from "../api/client.js";
import { HttpProcessCard } from "../components/HttpProcessCard.jsx";
import { QueueCard } from "../components/QueueCard.jsx";
import { ProcessResourcesCard } from "../components/ProcessResourcesCard.jsx";
import { HeartbeatsAndPm2Card } from "../components/HeartbeatsAndPm2Card.jsx";
import { useNotifications } from "../notifications.jsx";
const MAX_WORKERS = 32;
function Stat({ label, value }) {
return (
<div className="flex flex-col gap-0.5">
<span className="text-xs uppercase tracking-wide opacity-60">{label}</span>
<span className="text-xs uppercase tracking-wide opacity-60">
{label}
</span>
<span className="font-mono text-sm">{value}</span>
</div>
);
@@ -30,10 +39,10 @@ export function OpsPage() {
const scale = useOpsScale();
const httpStart = useOpsHttpStart();
const httpStop = useOpsHttpStop();
const bump = useOpsBumpGeneration();
const [workerCount, setWorkerCount] = useState("");
const [msg, setMsg] = useState(null);
const [err, setErr] = useState(null);
const processRestart = useOpsProcessRestart();
const { notify } = useNotifications();
const [workerCount, setWorkerCount] = useState(1);
const [workerInit, setWorkerInit] = useState(false);
const unavailable =
status.isError &&
@@ -41,15 +50,34 @@ export function OpsPage() {
status.error?.response?.status === 404 ||
status.error?.message?.includes("Network"));
const data = status.data;
const desired = data?.desired;
const queue = data?.queue;
const children = data?.children;
const httpOnline = Boolean(children?.httpOnline);
useEffect(() => {
if (!workerInit && desired?.workers != null) {
setWorkerCount(desired.workers);
setWorkerInit(true);
}
}, [desired?.workers, workerInit]);
function run(label, mutateAsync, args) {
setMsg(null);
setErr(null);
mutateAsync(args)
.then((data) => {
setMsg(`${label} ok`);
return data;
const call = args === undefined ? mutateAsync() : mutateAsync(args);
call
.then((result) => {
notify.success(`${label} ok`);
return result;
})
.catch((e) => setErr(errorMessage(e, `${label} failed`)));
.catch((e) => notify.error(errorMessage(e, `${label} failed`)));
}
function scaleWorkers() {
run("Scale", scale.mutateAsync, {
workers: workerCount,
force: false,
});
}
if (unavailable) {
@@ -68,11 +96,6 @@ export function OpsPage() {
);
}
const data = status.data;
const desired = data?.desired;
const queue = data?.queue;
const children = data?.children;
return (
<div className="mx-auto space-y-6">
<div className="flex flex-wrap items-start justify-between gap-3">
@@ -98,226 +121,50 @@ export function OpsPage() {
</div>
) : null}
{msg ? (
<div className="alert alert-success text-sm">
<span>{msg}</span>
</div>
) : null}
{err ? (
<div className="alert alert-error text-sm">
<span>{err}</span>
</div>
) : null}
{status.isLoading && !data ? (
<span className="loading loading-spinner" />
) : (
<>
<section className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
<Stat label="HTTP desired" value={desired?.http ?? "—"} />
<Stat label="Workers desired" value={desired?.workers ?? "—"} />
<Stat label="Generation" value={desired?.generation ?? "—"} />
<Stat
label="Queue"
value={queue?.paused ? "paused" : "running"}
<div className="grid gap-6 md:grid-cols-3">
<HttpProcessCard
httpOnline={httpOnline}
startPending={httpStart.isPending}
stopPending={httpStop.isPending}
onStart={() => run("HTTP start", httpStart.mutateAsync)}
onStop={() => run("HTTP stop", httpStop.mutateAsync)}
/>
<Stat
label="Active jobs"
value={queue?.counts?.active ?? "—"}
<QueueCard
paused={Boolean(queue?.paused)}
workersOnline={Number(children?.workerOnlineCount) || 0}
activeJobs={Number(queue?.counts?.active) || 0}
queuedJobs={
(Number(queue?.counts?.waiting) || 0) +
(Number(queue?.counts?.delayed) || 0)
}
pausePending={pause.isPending}
resumePending={resume.isPending}
onPause={() => run("Pause", pause.mutateAsync)}
onResume={() => run("Resume", resume.mutateAsync)}
/>
<Stat
label="Waiting jobs"
value={queue?.counts?.waiting ?? "—"}
/>
<Stat
label="HTTP online"
value={children?.httpOnline ? "yes" : "no"}
/>
<Stat
label="Workers online"
value={children?.workerOnlineCount ?? "—"}
/>
</section>
<ProcessResourcesCard children={children} />
</div>
<section className="space-y-2">
<h2 className="text-lg font-medium">Queue</h2>
<div className="flex flex-wrap gap-2">
<button
type="button"
className={`btn btn-sm ${queue?.paused ? "btn-disabled" : ""}`}
disabled={pause.isPending || Boolean(queue?.paused)}
onClick={() => run("Pause", pause.mutateAsync)}
>
Pause workers
</button>
<button
type="button"
className={`btn btn-sm ${!queue?.paused ? "btn-disabled" : ""}`}
disabled={resume.isPending || !queue?.paused}
onClick={() => run("Resume", resume.mutateAsync)}
>
Resume workers
</button>
<button
type="button"
className="btn btn-sm"
disabled={reload.isPending}
onClick={() => run("Reload", reload.mutateAsync)}
>
Reload workflows
</button>
</div>
</section>
<section className="space-y-2">
<h2 className="text-lg font-medium">HTTP process</h2>
<div className="flex flex-wrap gap-2">
<button
type="button"
className="btn btn-sm btn-primary"
disabled={httpStart.isPending}
onClick={() => run("HTTP start", httpStart.mutateAsync)}
>
Start HTTP
</button>
<button
type="button"
className="btn btn-sm btn-warning"
disabled={httpStop.isPending}
onClick={() => run("HTTP stop", httpStop.mutateAsync)}
>
Stop HTTP
</button>
</div>
</section>
<section className="space-y-2">
<h2 className="text-lg font-medium">Workers</h2>
<div className="flex flex-wrap items-center gap-2">
<input
type="number"
min={0}
max={32}
className="input input-bordered input-sm w-24"
placeholder={String(desired?.workers ?? 1)}
value={workerCount}
onChange={(e) => setWorkerCount(e.target.value)}
/>
<button
type="button"
className="btn btn-sm"
disabled={scale.isPending || workerCount === ""}
onClick={() =>
run("Scale", scale.mutateAsync, {
workers: Number(workerCount),
force: false,
})
}
>
Scale (drain)
</button>
<button
type="button"
className="btn btn-sm btn-warning"
disabled={scale.isPending || workerCount === ""}
onClick={() =>
run("Scale force", scale.mutateAsync, {
workers: Number(workerCount),
force: true,
})
}
>
Scale (force)
</button>
</div>
</section>
<section className="space-y-2">
<h2 className="text-lg font-medium">Restart HTTP + workers</h2>
<p className="text-sm opacity-70">
Pauses the queue, waits until active jobs are 0, migrates DB, then
recreates PM2 processes. Force skips the wait (may interrupt runs).
</p>
<div className="flex flex-wrap gap-2">
<button
type="button"
className="btn btn-sm btn-primary"
disabled={restart.isPending}
onClick={() => run("Restart", restart.mutateAsync, { force: false })}
>
Drain restart
</button>
<button
type="button"
className="btn btn-sm btn-error"
disabled={restart.isPending}
onClick={() => {
if (
!window.confirm(
"Force restart will interrupt active jobs. Continue?",
)
) {
return;
}
run("Force restart", restart.mutateAsync, { force: true });
}}
>
Force restart
</button>
<button
type="button"
className="btn btn-sm btn-ghost"
disabled={bump.isPending}
onClick={() =>
run("Bump generation", bump.mutateAsync, "manual test flag")
}
>
Flag restart-needed
</button>
</div>
</section>
<section className="space-y-2">
<h2 className="text-lg font-medium">Heartbeats</h2>
<div className="overflow-x-auto">
<table className="table table-sm">
<thead>
<tr>
<th>Role</th>
<th>PID</th>
<th>Generation</th>
<th>Age (ms)</th>
</tr>
</thead>
<tbody>
{(data?.heartbeats ?? []).map((h) => (
<tr key={h.field}>
<td>{h.role}</td>
<td className="font-mono">{h.pid}</td>
<td className="font-mono">{h.generation}</td>
<td className="font-mono">
{Math.max(0, Date.now() - h.ts)}
</td>
</tr>
))}
{!data?.heartbeats?.length ? (
<tr>
<td colSpan={4} className="opacity-60">
No live heartbeats yet
</td>
</tr>
) : null}
</tbody>
</table>
</div>
</section>
<section className="space-y-2">
<h2 className="text-lg font-medium">PM2 children</h2>
<pre className="bg-base-200 max-h-64 overflow-auto rounded-lg p-3 text-xs">
{JSON.stringify(children ?? {}, null, 2)}
</pre>
</section>
<HeartbeatsAndPm2Card
data={data}
children={children}
restart={restart}
processRestart={processRestart}
workerCount={workerCount}
desiredWorkers={Number(desired?.workers) || 0}
onDecreaseWorkers={() => setWorkerCount((n) => Math.max(0, n - 1))}
onIncreaseWorkers={() =>
setWorkerCount((n) => Math.min(MAX_WORKERS, n + 1))
}
onScale={scaleWorkers}
scalePending={scale.isPending}
onReload={() => run("Reload", reload.mutateAsync)}
reloadPending={reload.isPending}
/>
</>
)}
</div>