From b079872c87d33f3a572cd38916068163cdacd852 Mon Sep 17 00:00:00 2001 From: Ying WANG Date: Mon, 16 Sep 2024 00:15:30 +0200 Subject: [PATCH 1/2] examples: Add custom labels example Signed-off-by: Ying WANG --- examples/customlabels/main.go | 44 +++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 examples/customlabels/main.go diff --git a/examples/customlabels/main.go b/examples/customlabels/main.go new file mode 100644 index 0000000..de7bad1 --- /dev/null +++ b/examples/customlabels/main.go @@ -0,0 +1,44 @@ +// Copyright 2022 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// A simple example of how to add fixed custom labels to all metrics exported by the origin collector. +// For more details, see the documentation: https://pkg.go.dev/github.com/prometheus/client_golang/prometheus#WrapRegistererWith + +package main + +import ( + "flag" + "log" + "net/http" + + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/client_golang/prometheus/collectors" + "github.com/prometheus/client_golang/prometheus/promhttp" +) + +var addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.") + +func main() { + flag.Parse() + + // Create a new registry. + reg := prometheus.NewRegistry() + prometheus.WrapRegistererWith(prometheus.Labels{"serviceName": "bartek"}, reg).MustRegister( + collectors.NewGoCollector(), + collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}), + ) + + // Expose the registered metrics via HTTP. + http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{})) + log.Fatal(http.ListenAndServe(*addr, nil)) +} From 6efd27deef6f8be471236bc790be32f3ca17d300 Mon Sep 17 00:00:00 2001 From: Ying WANG <74549700+ying-jeanne@users.noreply.github.com> Date: Wed, 18 Sep 2024 09:20:45 +0200 Subject: [PATCH 2/2] Update examples/customlabels/main.go Co-authored-by: Bartlomiej Plotka Signed-off-by: Ying WANG <74549700+ying-jeanne@users.noreply.github.com> --- examples/customlabels/main.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/customlabels/main.go b/examples/customlabels/main.go index de7bad1..fcfce29 100644 --- a/examples/customlabels/main.go +++ b/examples/customlabels/main.go @@ -33,7 +33,7 @@ func main() { // Create a new registry. reg := prometheus.NewRegistry() - prometheus.WrapRegistererWith(prometheus.Labels{"serviceName": "bartek"}, reg).MustRegister( + prometheus.WrapRegistererWith(prometheus.Labels{"serviceName": "my-service-name"}, reg).MustRegister( collectors.NewGoCollector(), collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}), )