You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.4 KiB
60 lines
1.4 KiB
const PrometheusClient = require('prom-client');
|
|
|
|
const commonLabels = [
|
|
'monitor_name',
|
|
'monitor_type',
|
|
'monitor_url',
|
|
'monitor_hostname',
|
|
'monitor_port',
|
|
]
|
|
|
|
const monitor_response_time = new PrometheusClient.Gauge({
|
|
name: 'monitor_response_time',
|
|
help: 'Monitor Response Time (ms)',
|
|
labelNames: commonLabels
|
|
});
|
|
|
|
const monitor_status = new PrometheusClient.Gauge({
|
|
name: 'monitor_status',
|
|
help: 'Monitor Status (1 = UP, 0= DOWN)',
|
|
labelNames: commonLabels
|
|
});
|
|
|
|
class Prometheus {
|
|
monitorLabelValues = {}
|
|
|
|
constructor(monitor) {
|
|
this.monitorLabelValues = {
|
|
monitor_name: monitor.name,
|
|
monitor_type: monitor.type,
|
|
monitor_url: monitor.url,
|
|
monitor_hostname: monitor.hostname,
|
|
monitor_port: monitor.port
|
|
}
|
|
}
|
|
|
|
update(heartbeat) {
|
|
try {
|
|
monitor_status.set(this.monitorLabelValues, heartbeat.status)
|
|
} catch (e) {
|
|
console.error(e)
|
|
}
|
|
|
|
try {
|
|
if (typeof heartbeat.ping === 'number') {
|
|
monitor_response_time.set(this.monitorLabelValues, heartbeat.ping)
|
|
} else {
|
|
// Is it good?
|
|
monitor_response_time.set(this.monitorLabelValues, -1)
|
|
}
|
|
} catch (e) {
|
|
console.error(e)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
module.exports = {
|
|
Prometheus
|
|
}
|