Spaces:
Sleeping
Sleeping
File size: 2,205 Bytes
f5957a1 | 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 | import { Injectable, Logger } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { ServerMonitoring } from '../entities/server-monitoring.entity';
import * as os from 'os';
@Injectable()
export class MonitoringService {
private readonly logger = new Logger(MonitoringService.name);
constructor(
@InjectRepository(ServerMonitoring)
private serverRepo: Repository<ServerMonitoring>,
) {}
async getServers() {
const data = await this.serverRepo.find({
order: { checkedAt: 'DESC' },
});
return { data };
}
async getHealth() {
const cpus = os.cpus();
const totalMem = os.totalmem();
const freeMem = os.freemem();
const uptime = os.uptime();
// Calculate CPU usage average
let totalIdle = 0;
let totalTick = 0;
for (const cpu of cpus) {
for (const type in cpu.times) {
totalTick += cpu.times[type];
}
totalIdle += cpu.times.idle;
}
const cpuUsage = ((1 - totalIdle / totalTick) * 100).toFixed(2);
const memoryUsage = (((totalMem - freeMem) / totalMem) * 100).toFixed(2);
return {
data: {
hostname: os.hostname(),
platform: os.platform(),
arch: os.arch(),
cpuCount: cpus.length,
cpuUsage: parseFloat(cpuUsage),
totalMemoryMB: Math.round(totalMem / 1024 / 1024),
freeMemoryMB: Math.round(freeMem / 1024 / 1024),
memoryUsage: parseFloat(memoryUsage),
uptimeSeconds: uptime,
uptimeFormatted: this.formatUptime(uptime),
nodeVersion: process.version,
},
};
}
async getMetrics() {
const health = await this.getHealth();
const latestRecords = await this.serverRepo
.createQueryBuilder('sm')
.orderBy('sm.checked_at', 'DESC')
.limit(50)
.getMany();
return {
data: {
current: health.data,
history: latestRecords,
},
};
}
private formatUptime(seconds: number): string {
const d = Math.floor(seconds / 86400);
const h = Math.floor((seconds % 86400) / 3600);
const m = Math.floor((seconds % 3600) / 60);
return `${d}d ${h}h ${m}m`;
}
}
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