This repository has been archived by the owner on Jun 12, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add support for open telemetry metrics
Signed-off-by: Lucas Roesler <[email protected]>
- Loading branch information
1 parent
c273eda
commit 92632fb
Showing
4 changed files
with
111 additions
and
10 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package metrics | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "time" | ||
|
|
||
| prom "github.com/prometheus/client_golang/prometheus" | ||
|
|
||
| "go.opentelemetry.io/contrib/instrumentation/runtime" | ||
| "go.opentelemetry.io/otel/attribute" | ||
| "go.opentelemetry.io/otel/exporters/prometheus" | ||
| "go.opentelemetry.io/otel/metric" | ||
| "go.opentelemetry.io/otel/metric/global" | ||
| "go.opentelemetry.io/otel/sdk/export/metric/aggregation" | ||
| controller "go.opentelemetry.io/otel/sdk/metric/controller/basic" | ||
| processor "go.opentelemetry.io/otel/sdk/metric/processor/basic" | ||
| selector "go.opentelemetry.io/otel/sdk/metric/selector/simple" | ||
| "go.opentelemetry.io/otel/sdk/resource" | ||
| semconv "go.opentelemetry.io/otel/semconv/v1.4.0" | ||
| ) | ||
|
|
||
| func Setup(name, version, commit string) (*prometheus.Exporter, error) { | ||
| baseResource, err := resource.New( | ||
| context.Background(), | ||
| resource.WithHost(), | ||
| resource.WithAttributes( | ||
| semconv.ServiceVersionKey.String(version), | ||
| semconv.ServiceNameKey.String(name), | ||
| ), | ||
| resource.WithFromEnv(), | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| config := prometheus.Config{ | ||
| Registerer: prom.DefaultRegisterer, | ||
| Gatherer: prom.DefaultGatherer, | ||
| } | ||
| c := controller.New( | ||
| processor.NewFactory( | ||
| selector.NewWithHistogramDistribution(), | ||
| aggregation.CumulativeTemporalitySelector(), | ||
| processor.WithMemory(true), | ||
| ), | ||
| controller.WithResource(baseResource), | ||
| ) | ||
| exporter, err := prometheus.New(config, c) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to initialize prometheus exporter: %w", err) | ||
| } | ||
| global.SetMeterProvider(exporter.MeterProvider()) | ||
|
|
||
| err = runtime.Start( | ||
| runtime.WithMinimumReadMemStatsInterval(time.Second), | ||
| ) | ||
| if err != nil { | ||
| log.Fatalln("failed to start runtime instrumentation:", err) | ||
| } | ||
|
|
||
| meter := global.Meter(name) | ||
| componentInfo, err := meter.NewInt64UpDownCounter( | ||
| "component_info", | ||
| metric.WithDescription("version information of the component"), | ||
| ) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create component_info metric: %w", err) | ||
| } | ||
|
|
||
| componentInfo.Add( | ||
| context.Background(), | ||
| 1, | ||
| attribute.Key("version").String(version), | ||
| attribute.Key("commit").String(commit), | ||
| attribute.Key("name").String(name), | ||
| ) | ||
|
|
||
| return exporter, nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters