英文:
Prometheus - send a list of metrics to Gauge
问题
我有一个以JSON格式表示的指标列表，需要发送到Prometheus。我该如何使用client_golang中的Gauge指标类型一次性将这些指标发送到Prometheus？
目前我有以下代码：
var (
dockerVer = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "docker_version_latency",
Help: "Latency of docker version command.",
}))
func init() {
// Metrics have to be registered to be exposed:
prometheus.MustRegister(dockerVer)
}
func main() {
for {
get_json_response(1234, "version")
dockerVer.Set(jsonData[0].Latency)
// The Handler function provides a default handler to expose metrics
// via an HTTP server. "/metrics" is the usual endpoint for that.
http.Handle("/metrics", promhttp.Handler())
log.Fatal(http.ListenAndServe(":8081", nil))
}
}
我有很多其他指标，我需要从JSON中读取并动态地将其发送到Gauge指标。
英文:
I have a list of metrics in json format to be send to prometheus.How would I use Guage metrics type in client_golang to send these metrics to prometheus all at once?
Right now I have below code
var (
dockerVer = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "docker_version_latency",
Help: "Latency of docker version command.",
}))
func init() {
// Metrics have to be registered to be exposed:
prometheus.MustRegister(dockerVer)
}
func main() {
for {
get_json_response(1234,"version")
dockerVer.Set(jsonData[0].Latency)
// The Handler function provides a default handler to expose metrics
// via an HTTP server. "/metrics" is the usual endpoint for that.
http.Handle("/metrics", promhttp.Handler())
log.Fatal(http.ListenAndServe(":8081", nil))
}
}
I have many more metrics and I have to read these from the json and send it to gauge dynamically.
答案1
得分: 1
你正在寻找编写自定义收集器作为导出器的一部分，可以参考https://github.com/prometheus/consul_exporter/blob/master/consul_exporter.go#L156的示例。
Docker还内置了可以启用的Prometheus指标，所以你可能不需要编写这个。
英文:
You are looking to write a custom collector as part of an exporter, see https://github.com/prometheus/consul_exporter/blob/master/consul_exporter.go#L156 as one example.
Docker also has Prometheus metrics built in that can be enabled, so you may not need to write this.
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