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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | 7x 7x 49x 7x 1x 7x 4x 12x 12x 12x 2x 12x 12x 12x 84x 84x 11x 11x 73x 9x 9x 64x 15x 49x 12x 12x 6x 6x 6x 6x 6x 6x | import fs from "node:fs/promises";
import path from "node:path";
import type { CalibrationRunResult } from "./calibrate-capacity";
export function renderCalibrationMarkdown(result: CalibrationRunResult): string {
const { host, docker, effectiveCapacity } = result.fingerprint;
const recommendationRows = Object.entries(result.recommendations)
.map(([name, recommendation]) => `| ${name} | ${recommendation.value ?? "—"} | ${recommendation.status} | ${recommendation.confidence} | ${recommendation.measuredBasis.join("; ") || "—"} | ${recommendation.warnings.join("; ") || "—"} |`)
.join("\n");
const controlRows = result.phases.dockerControl
.map((sample) => `| ${sample.command} | ${sample.condition} | ${sample.durationsMs.join(", ") || "—"} | ${sample.error ?? "—"} |`)
.join("\n");
return [
"# UnoSim Capacity Calibration",
"",
`schemaVersion: ${result.schemaVersion}`,
`policyVersion: ${result.policyVersion}`,
`Partial run: ${result.partial ? "yes" : "no"}`,
`Stop reason: ${result.stopReason ?? "none"}`,
"",
"## Reproducibility",
"",
`- Git SHA: ${result.fingerprint.gitSha}`,
`- Git dirty: ${result.fingerprint.gitDirty}`,
`- Node: ${host.required.nodeVersion}`,
`- Architecture: ${host.required.architecture}`,
`- Logical CPUs: ${host.required.logicalCpus}`,
`- Docker: ${docker.clientVersion} / ${docker.serverVersion}`,
`- Docker architecture: ${docker.architecture}`,
`- Docker CPUs/RAM: ${docker.cpus} / ${docker.memoryBytes} bytes`,
`- Storage driver: ${docker.storageDriver}`,
`- Sandbox image: ${docker.image.reference} (${docker.image.id}, ${docker.image.digest ?? "no digest"})`,
"",
"## Effective capacity before calibration",
"",
"```json",
JSON.stringify(effectiveCapacity, null, 2),
"```",
"",
"## Policy",
"",
`- Expected users: ${result.policy.expectedUsers}`,
`- Target CPU p95: ${result.policy.targetCpuPercent}%`,
`- Hard CPU ceiling: ${result.policy.maxCpuPercent}%`,
`- Maximum user wait: ${result.policy.maxUserWaitSec}s`,
`- Fixed classroom simulation duration: ${result.policy.classroomDurationSec}s`,
`- Classroom measurement queue timeout: ${result.fingerprint.measurementQueueTimeoutMs}ms (test-only)`,
`- Active candidates: ${result.plan.activeCandidates.join(", ")}`,
`- Startup candidates: ${result.plan.startupCandidates.join(", ")}`,
"",
"## Recommendations",
"",
"| Setting | Value | Status | Confidence | Measured basis | Warnings |",
"| --- | ---: | --- | --- | --- | --- |",
recommendationRows,
"",
"The values above are review recommendations only. No production configuration was changed.",
"",
"## Docker-control measurements",
"",
"| Command | Condition | Durations (ms) | Error |",
"| --- | --- | --- | --- |",
controlRows || "| — | — | — | — |",
"",
"## Phase results",
"",
`- Active measurements: ${result.phases.active.length}`,
`- Startup measurements: ${result.phases.startup.length}`,
`- Classroom measurement: ${result.phases.classroom ? "completed" : "not run"}`,
...(result.phases.classroom ? [
`- Classroom outcomes: requested=${result.phases.classroom.requested}, admitted=${result.phases.classroom.admitted}, started=${result.phases.classroom.started}, successful=${result.phases.classroom.successful}, rejected=${result.phases.classroom.rejected}, failed=${result.phases.classroom.failed}, incomplete=${result.phases.classroom.incomplete}`,
`- Authoritative sandbox-start samples: ${result.phases.classroom.authoritativeSandboxStartWaitSamplesComplete ? "complete" : "incomplete"} (${result.phases.classroom.startupSlotWaitMs.length}/${result.phases.classroom.authoritativeSandboxStartWaitSamplesExpected ?? "?"})`,
] : []),
`- Safety events: ${result.safetyEvents.length}`,
`- Remaining owned containers: ${result.cleanup.remainingCapacityContainers}`,
"",
"## Safety and cleanup",
"",
result.safetyEvents.length > 0
? result.safetyEvents.map((event) => `- [${event.phase}/${event.kind}] ${event.message}`).join("\n")
: "No safety events were recorded.",
`- Backend exited: ${result.cleanup.backendExited}`,
`- Active simulations after cleanup: ${result.cleanup.activeSimulationCount ?? "unknown"}`,
`- Queue after cleanup: ${result.cleanup.queueWaiting ?? "unknown"}`,
"",
"Review the generated `capacity.env` before applying any value.",
"",
].join("\n");
}
export function renderCapacityEnv(result: CalibrationRunResult): string {
const lines = [
"# UnoSim capacity calibration proposal",
"# REVIEW ONLY: review this file before applying; it is not applied automatically.",
`# Git SHA: ${result.fingerprint.gitSha}`,
`# Policy version: ${result.policyVersion}`,
"",
];
const classroom = result.phases.classroom;
const startupSlotMeasurementValid = classroom
? classroom.authoritativeSandboxStartWaitSamplesComplete === true
&& classroom.authoritativeSandboxStartWaitSamplesExpected !== undefined
&& classroom.startupSlotWaitMs.length === classroom.authoritativeSandboxStartWaitSamplesExpected
: result.phases.startup.length > 0
&& result.phases.startup.every((measurement) => measurement.startupSlotWaitSamplesComplete === true);
const admissionValidated = classroom !== null
&& classroom.requested === result.policy.expectedUsers
&& classroom.admitted >= result.policy.expectedUsers
&& classroom.started === result.policy.expectedUsers
&& classroom.successful === result.policy.expectedUsers
&& classroom.rejected === 0
&& classroom.failed === 0
&& classroom.incomplete === 0
&& classroom.errors.length === 0
&& classroom.runtimeConfiguration.simulationAdmissionMax >= result.policy.expectedUsers
&& classroom.cleanup.remainingCapacityContainers === 0
&& classroom.cleanup.activeSimulationCount === 0
&& classroom.cleanup.queueWaiting === 0
&& classroom.cleanup.admissionCurrent === 0
&& classroom.cleanup.sandboxStartActive === 0
&& classroom.cleanup.sandboxStartWaiting === 0;
const values: Array<[string, keyof CalibrationRunResult["recommendations"]]> = [
["SIMULATION_MAX_CONCURRENT", "simulationMaxConcurrent"],
["SANDBOX_START_MAX_CONCURRENT", "sandboxStartMaxConcurrent"],
["SIMULATION_ADMISSION_MAX", "simulationAdmissionMax"],
["SIMULATION_QUEUE_TIMEOUT_MS", "simulationQueueTimeoutMs"],
["SANDBOX_START_SLOT_TIMEOUT_MS", "sandboxStartSlotTimeoutMs"],
["DOCKER_CONTROL_TIMEOUT_MS", "dockerControlTimeoutMs"],
["COMPILE_MAX_CONCURRENT", "compileMaxConcurrent"],
];
for (const [environmentName, recommendationName] of values) {
const recommendation = result.recommendations[recommendationName];
if (recommendationName === "simulationAdmissionMax" && !admissionValidated) {
lines.push(`# ${environmentName} omitted: classroom admission validation not completed successfully`);
continue;
}
if (recommendationName === "sandboxStartSlotTimeoutMs" && !startupSlotMeasurementValid) {
lines.push(`# ${environmentName} omitted: authoritative sandbox-start semaphore samples incomplete`);
continue;
}
if (recommendation.status === "recommended" && recommendation.value !== null) {
lines.push(`${environmentName}=${recommendation.value}`);
} else {
lines.push(`# ${environmentName} omitted: ${recommendation.status}`);
}
}
lines.push("");
return lines.join("\n");
}
export async function writeCalibrationArtifacts(
result: CalibrationRunResult,
outputDir: string,
): Promise<{ jsonPath: string; markdownPath: string; envPath: string }> {
await fs.mkdir(outputDir, { recursive: true });
const jsonPath = path.join(outputDir, "capacity-calibration.json");
const markdownPath = path.join(outputDir, "capacity-calibration.md");
const envPath = path.join(outputDir, "capacity.env");
await Promise.all([
fs.writeFile(jsonPath, `${JSON.stringify(result, null, 2)}\n`),
fs.writeFile(markdownPath, renderCalibrationMarkdown(result)),
fs.writeFile(envPath, renderCapacityEnv(result)),
]);
return { jsonPath, markdownPath, envPath };
}
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