Files
FEDEO/agents/fedeo-device-agent/src/main.ts

94 lines
3.0 KiB
JavaScript

#!/usr/bin/env node
import os from "node:os"
import { FedeoApi } from "./api.js"
import { loadConfig } from "./config.js"
import { log } from "./logger.js"
import { listPrinters } from "./print/cups.js"
import { hasSane, listScanners, runScan } from "./scan/sane.js"
const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms))
const stringifyError = (error: unknown) => {
if (error instanceof Error) return error.message
return String(error)
}
const main = async () => {
const config = loadConfig()
const api = new FedeoApi(config)
log.info("FEDEO Geräte-Agent startet", {
platform: process.platform,
workDir: config.workDir,
pollSeconds: config.pollSeconds,
})
while (true) {
try {
const scannerNames = await listScanners()
const printerNames = await listPrinters()
const scanAvailable = await hasSane()
const heartbeat = await api.heartbeat({
capabilities: {
scan: scanAvailable,
print: printerNames.length > 0,
platform: process.platform,
},
scannerNames,
printerNames,
debugInfo: {
hostname: os.hostname(),
release: os.release(),
arch: os.arch(),
node: process.version,
uptimeSeconds: Math.round(os.uptime()),
},
})
if (heartbeat.pendingScanJobs > 0) {
log.info(`${heartbeat.pendingScanJobs} Scan-Auftrag/Aufträge warten`)
}
const next = await api.nextScanJob()
if (!next.job) {
await sleep(config.pollSeconds * 1000)
continue
}
log.info("Scan-Auftrag wird ausgeführt", {
jobId: next.job.id,
tenantId: next.job.tenantId,
scannerName: next.job.scannerName || config.scannerName || "default",
})
try {
await api.updateScanJobStatus(next.job.id, "running")
const scanResult = await runScan(config, next.job)
await api.uploadScan(next.job.id, scanResult)
log.info("Scan-Auftrag abgeschlossen", {
jobId: next.job.id,
file: scanResult.filename,
})
} catch (error) {
const message = stringifyError(error)
log.error("Scan-Auftrag fehlgeschlagen", {
jobId: next.job.id,
message,
})
await api.updateScanJobStatus(next.job.id, "failed", message)
}
} catch (error) {
log.error("Agent-Schleife fehlgeschlagen", stringifyError(error))
await sleep(config.pollSeconds * 1000)
}
}
}
main().catch((error) => {
log.error("Agent konnte nicht gestartet werden", stringifyError(error))
process.exit(1)
})