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fix: harden telemetry parsing and null node fallbacks

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SaelixCode
2026-03-18 20:31:57 -04:00
parent 7f23c88c73
commit f1f8e34da5
5 changed files with 53 additions and 2 deletions
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backend/src/index.ts
+10
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@@ -67,6 +67,16 @@ const nodeContextMiddleware = (req: Request, res: Response, next: NextFunction)
} else {
req.nodeId = NodeRegistry.getInstance().getDefaultNodeId();
}
// Intercept requests to deleted nodes to prevent downstream errors
if (req.path.startsWith('/api/') && !req.path.startsWith('/api/auth/')) {
const node = DatabaseService.getInstance().getNode(req.nodeId);
if (!node) {
res.status(404).json({ error: `Node with id ${req.nodeId} not found or was deleted.` });
return;
}
}
next();
};
backend/src/services/MonitorService.ts
+5 -1
View File
@@ -311,8 +311,10 @@ export class MonitorService {
private calculateCpuPercent(stats: any): number {
let cpuPercent = 0.0;
if (!stats?.cpu_stats?.cpu_usage || !stats?.precpu_stats?.cpu_usage) return 0.0;
const cpuDelta = stats.cpu_stats.cpu_usage.total_usage - stats.precpu_stats.cpu_usage.total_usage;
const systemDelta = stats.cpu_stats.system_cpu_usage - stats.precpu_stats.system_cpu_usage;
const systemDelta = (stats.cpu_stats.system_cpu_usage || 0) - (stats.precpu_stats.system_cpu_usage || 0);
const numCpus = stats.cpu_stats.online_cpus || (stats.cpu_stats.cpu_usage.percpu_usage ? stats.cpu_stats.cpu_usage.percpu_usage.length : 1);
if (systemDelta > 0.0 && cpuDelta > 0.0) {
@@ -322,6 +324,8 @@ export class MonitorService {
}
private calculateMemoryPercent(stats: any): number {
if (!stats?.memory_stats?.usage || !stats?.memory_stats?.limit) return 0.0;
const used_memory = stats.memory_stats.usage - (stats.memory_stats.stats?.cache || 0);
const available_memory = stats.memory_stats.limit;
if (available_memory > 0) {