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chore: Move VersionCollector to collectors directory (#1427)
* collectors/version: Move to collectors directory and remove unrelated code. Signed-off-by: Arthur Silva Sens <arthur.sens@coralogix.com> * examples: Add Version Collector example Signed-off-by: Arthur Silva Sens <arthur.sens@coralogix.com> --------- Signed-off-by: Arthur Silva Sens <arthur.sens@coralogix.com>
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| @@ -0,0 +1,51 @@ | ||
| // 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. | ||
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| //go:build go1.17 | ||
| // +build go1.17 | ||
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| // A minimal example of how to include Prometheus instrumentation. | ||
| package main | ||
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| import ( | ||
| "flag" | ||
| "fmt" | ||
| "log" | ||
| "net/http" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/collectors/version" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| ) | ||
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| var addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.") | ||
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| // Build using ldflags, for example: | ||
| // go build -ldflags "-X github.com/prometheus/common/version.Version=1.0.0 -X github.com/prometheus/common/version.Branch=abc123" . | ||
| func main() { | ||
| flag.Parse() | ||
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| // Create a new registry. | ||
| reg := prometheus.NewRegistry() | ||
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| // Register version collector. | ||
| reg.MustRegister(version.NewCollector("example")) | ||
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| // Expose the registered metrics via HTTP. | ||
| http.Handle("/metrics", promhttp.HandlerFor( | ||
| reg, | ||
| promhttp.HandlerOpts{}, | ||
| )) | ||
| fmt.Println("Hello world from new Version Collector!") | ||
| log.Fatal(http.ListenAndServe(*addr, nil)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // Copyright 2016 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. | ||
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| package version | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/prometheus/common/version" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
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| // NewCollector returns a collector that exports metrics about current version | ||
| // information. | ||
| func NewCollector(program string) prometheus.Collector { | ||
| return prometheus.NewGaugeFunc( | ||
| prometheus.GaugeOpts{ | ||
| Namespace: program, | ||
| Name: "build_info", | ||
| Help: fmt.Sprintf( | ||
| "A metric with a constant '1' value labeled by version, revision, branch, goversion from which %s was built, and the goos and goarch for the build.", | ||
| program, | ||
| ), | ||
| ConstLabels: prometheus.Labels{ | ||
| "version": version.Version, | ||
| "revision": version.GetRevision(), | ||
| "branch": version.Branch, | ||
| "goversion": version.GoVersion, | ||
| "goos": version.GoOS, | ||
| "goarch": version.GoArch, | ||
| "tags": version.GetTags(), | ||
| }, | ||
| }, | ||
| func() float64 { return 1 }, | ||
| ) | ||
| } |
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