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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | 6x 16x 16x 1x 1x 1x 6x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 14x 16x | import { Router } from "express";
import type { Express } from "express";
import { getSandboxRunnerPool } from "../services/sandbox-runner-pool";
import { getSandboxStartSemaphore } from "../services/sandbox/docker-compile-semaphore";
import { config } from "../config";
import { getProcessMetrics, compileMetricsTracker, sandboxStartWaitSamplesTracker, webSocketMetricsTracker, evaluateObservabilityAlerts } from "../services/server-metrics";
import { getCompilerWithFallback } from "../services/compiler-with-fallback";
import { getUnifiedGatekeeper } from "../services/unified-gatekeeper";
import { REST_API_VERSION } from "../services/protocol-version";
import { getCompileRateLimiter, getSimulationRateLimiter } from "../services/rate-limiter";
import { getSimulationAdmissionController } from "../services/simulation-admission-controller";
export const statusRouter = Router();
export function registerStatusRoutes(app: Express): void {
app.use("/", statusRouter);
app.get("/api/readiness", (_req, res) => {
const stats = getSandboxRunnerPool().getStats();
const ready = stats.initialized && stats.sandboxReady;
res.status(ready ? 200 : 503).json({ status: ready ? "ready" : "starting" });
});
}
statusRouter.get("/api/status", (_req, res) => {
const pool = getSandboxRunnerPool();
const poolStats = pool.getStats();
const sandboxStart = getSandboxStartSemaphore();
const processMetrics = getProcessMetrics();
const compileMetrics = compileMetricsTracker.getMetrics();
const wsMetrics = webSocketMetricsTracker.getMetrics();
const compilerStats = getCompilerWithFallback().getStats();
const compileRateStats = getCompileRateLimiter().getStats();
const simulationRateStats = getSimulationRateLimiter().getStats();
const admissionStats = getSimulationAdmissionController().getStats();
// REST compiles run in the worker pool while it has live workers, otherwise
// through the gatekeeper on the main thread (local mode, pool fallback).
const workers = "liveWorkers" in compilerStats
? { max: compilerStats.maxWorkers, live: compilerStats.liveWorkers }
: { max: 0, live: 0 };
let compileCapacity = { maxConcurrent: workers.max, active: compilerStats.activeWorkers };
const gatekeeper = getUnifiedGatekeeper().getStats();
if (workers.live === 0) {
compileCapacity = { maxConcurrent: gatekeeper.maxConcurrentCompiles, active: gatekeeper.activeCompiles };
}
res.json({
status: "ok",
apiVersion: REST_API_VERSION,
timestamp: new Date().toISOString(),
serverMode: config.serverMode,
capacity: {
simulation: {
maxConcurrent: config.capacity.simulationMaxConcurrent,
active: poolStats.inUseRunners,
},
sandboxStart: {
maxConcurrent: config.capacity.sandboxStartMaxConcurrent,
active: sandboxStart.activeCount,
waiting: sandboxStart.queueLength,
slotTimeoutMs: config.capacity.sandboxStartSlotTimeoutMs,
},
admission: {
max: config.capacity.admissionMax,
current: admissionStats.active,
},
queue: {
waiting: poolStats.queuedRequests,
timeoutMs: config.capacity.queueTimeoutMs,
},
compile: compileCapacity,
},
// Legacy fields remain for clients that have not migrated to capacity.*.
compileWorkers: workers.max,
compileSlots: {
active: sandboxStart.activeCount,
queued: sandboxStart.queueLength,
maxConcurrent: config.capacity.sandboxStartMaxConcurrent,
},
compileWorkerPool: {
active: compilerStats.activeWorkers,
queued: compilerStats.queuedTasks,
totalTasks: compilerStats.totalTasks,
completedTasks: compilerStats.completedTasks,
failedTasks: compilerStats.failedTasks,
avgCompileTimeMs: compilerStats.avgCompileTimeMs,
maxWorkers: workers.max,
liveWorkers: workers.live,
},
...(config.nodeEnv === "test" && config.capacityTestRunId
? {
capacityTest: {
sandboxStartWaitSamplesMs: sandboxStartWaitSamplesTracker.getSamples(config.capacityTestRunId),
},
}
: {}),
sandboxRunners: {
total: poolStats.totalRunners,
min: poolStats.minRunners,
available: poolStats.availableRunners,
inUse: poolStats.inUseRunners,
queued: poolStats.queuedRequests,
max: poolStats.maxRunners,
},
admissionControl: admissionStats,
...(config.nodeEnv === "test" && config.capacityTestRunId ? { capacityTestRunId: config.capacityTestRunId } : {}),
rateLimits: {
compile: { blockedIdentities: compileRateStats.blockedClients, rejectedTotal: compileRateStats.rejectedTotal },
simulationStart: { blockedIdentities: simulationRateStats.blockedClients, rejectedTotal: simulationRateStats.rejectedTotal },
},
webSocketSessions: {
active: wsMetrics.activeSessions,
running: wsMetrics.runningSessions,
paused: wsMetrics.pausedSessions,
totalConnections: wsMetrics.totalConnections,
totalDisconnections: wsMetrics.totalDisconnections,
},
compileMetrics: {
count: compileMetrics.compileCount,
timeoutCount: compileMetrics.compileTimeoutCount,
errorCount: compileMetrics.compileErrorCount,
avgDurationMs: compileMetrics.avgCompileDurationMs,
avgQueueWaitTimeMs: compileMetrics.avgQueueWaitTimeMs,
maxDurationMs: compileMetrics.maxCompileDurationMs,
maxQueueWaitTimeMs: compileMetrics.maxQueueWaitTimeMs,
},
processMetrics: {
cpuPercent: processMetrics.cpuPercent,
memoryUsedMB: processMetrics.memoryUsedMB,
memoryTotalMB: processMetrics.memoryTotalMB,
memoryPercent: processMetrics.memoryPercent,
uptimeSeconds: processMetrics.uptimeSeconds,
},
observabilityAlerts: evaluateObservabilityAlerts({
compileMetrics,
// Both native sandbox starts and REST compiles can wait for compile capacity.
compileQueueDepth: sandboxStart.queueLength + compilerStats.queuedTasks + (gatekeeper.queuedCompiles ?? 0),
runnerQueueDepth: poolStats.queuedRequests,
runnerCapacity: poolStats.maxRunners,
processMetrics,
}),
/** @deprecated Use capacity.simulation instead. */
pool: {
total: poolStats.totalRunners,
available: poolStats.availableRunners,
inUse: poolStats.inUseRunners,
queued: poolStats.queuedRequests,
max: poolStats.maxRunners,
},
/** @deprecated Use capacity.sandboxStart instead. */
compile: {
active: sandboxStart.activeCount,
queued: sandboxStart.queueLength,
maxConcurrent: config.capacity.sandboxStartMaxConcurrent,
},
});
});
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