Geräte-Agent für lokale Scan-Aufträge anlegen

2026-06-02 12:59:04 +02:00
parent e9504e21e7
commit a26ff30cd8
16 changed files with 647 additions and 0 deletions
--- a/agents/fedeo-device-agent/src/main.ts
+++ b/agents/fedeo-device-agent/src/main.ts
@@ -0,0 +1,93 @@
+#!/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)
+})