mirror of
https://github.com/louislam/uptime-kuma.git
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94 lines
2.5 KiB
JavaScript
94 lines
2.5 KiB
JavaScript
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_cert_days_remaining = new PrometheusClient.Gauge({
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name: "monitor_cert_days_remaining",
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help: "The number of days remaining until the certificate expires",
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labelNames: commonLabels
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});
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const monitor_cert_is_valid = new PrometheusClient.Gauge({
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name: "monitor_cert_is_valid",
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help: "Is the certificate still valid? (1 = Yes, 0= No)",
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labelNames: commonLabels
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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, tlsInfo) {
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if (typeof tlsInfo !== "undefined") {
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try {
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let is_valid = 0;
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if (tlsInfo.valid == true) {
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is_valid = 1;
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} else {
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is_valid = 0;
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}
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monitor_cert_is_valid.set(this.monitorLabelValues, is_valid);
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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 (tlsInfo.certInfo != null) {
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monitor_cert_days_remaining.set(this.monitorLabelValues, tlsInfo.certInfo.daysRemaining);
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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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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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