@merncloud/nodejs-monitoring/dist/types/index.d.ts

A comprehensive monitoring service for Node.js applications with built-in health probes and metrics collection

export interface HealthMetrics {
    timestamp: number;
    uptime: number;
    memory: {
        used: number;
        total: number;
        percentage: number;
        heap: {
            used: number;
            total: number;
            percentage: number;
        };
    };
    cpu: {
        usage: number;
        loadAverage: number[];
    };
    process: {
        pid: number;
        version: string;
        platform: string;
        arch: string;
    };
    requests: {
        total: number;
        active: number;
        averageResponseTime: number;
    };
    errors: {
        total: number;
        rate: number;
    };
    database?: {
        connections: number;
        queries: number;
        avgQueryTime: number;
    };
}
export interface MonitoringConfig {
    enableHealthRoute?: boolean;
    healthRoutePath?: string;
    enableMetricsCollection?: boolean;
    metricsInterval?: number;
    enableRequestTracking?: boolean;
    enableErrorTracking?: boolean;
    customProbes?: CustomProbe[];
    alertThresholds?: AlertThresholds;
}
export interface CustomProbe {
    name: string;
    check: () => Promise<ProbeResult>;
    interval?: number;
}
export interface ProbeResult {
    status: "healthy" | "warning" | "critical";
    message?: string;
    value?: number;
    metadata?: Record<string, any>;
}
export interface AlertThresholds {
    memoryUsage?: number;
    cpuUsage?: number;
    responseTime?: number;
    errorRate?: number;
}
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