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60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
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const PrometheusClient = require('prom-client');
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const commonLabels = [
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'monitor_name',
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'monitor_type',
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'monitor_url',
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'monitor_hostname',
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'monitor_port',
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]
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const monitor_response_time = new PrometheusClient.Gauge({
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name: 'monitor_response_time',
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help: 'Monitor Response Time (ms)',
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labelNames: commonLabels
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});
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const monitor_status = new PrometheusClient.Gauge({
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name: 'monitor_status',
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help: 'Monitor Status (1 = UP, 0= DOWN)',
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labelNames: commonLabels
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});
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class Prometheus {
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monitorLabelValues = {}
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constructor(monitor) {
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this.monitorLabelValues = {
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monitor_name: monitor.name,
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monitor_type: monitor.type,
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monitor_url: monitor.url,
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monitor_hostname: monitor.hostname,
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monitor_port: monitor.port
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}
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}
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update(heartbeat) {
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try {
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monitor_status.set(this.monitorLabelValues, heartbeat.status)
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} catch (e) {
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console.error(e)
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}
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try {
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if (typeof heartbeat.ping === 'number') {
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monitor_response_time.set(this.monitorLabelValues, heartbeat.ping)
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} else {
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// Is it good?
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monitor_response_time.set(this.monitorLabelValues, -1)
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}
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} catch (e) {
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console.error(e)
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}
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}
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}
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module.exports = {
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Prometheus
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}
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