update as per the PR comment
This commit is contained in:
54
pkg/telemetry/test_helper.go
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54
pkg/telemetry/test_helper.go
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@@ -0,0 +1,54 @@
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package telemetry
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import (
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"context"
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clientprom "github.com/prometheus/client_golang/prometheus"
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clientpromhttp "github.com/prometheus/client_golang/prometheus/promhttp"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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otelprom "go.opentelemetry.io/otel/exporters/prometheus"
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"go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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// NewTestProvider creates a minimal telemetry provider for testing purposes.
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// This avoids import cycles by not depending on the otelsetup package.
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func NewTestProvider(ctx context.Context) (*Provider, error) {
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res, err := resource.New(
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ctx,
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resource.WithAttributes(
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attribute.String("service.name", "test-service"),
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attribute.String("service.version", "test"),
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attribute.String("deployment.environment", "test"),
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),
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)
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if err != nil {
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return nil, err
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}
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registry := clientprom.NewRegistry()
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exporter, err := otelprom.New(
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otelprom.WithRegisterer(registry),
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otelprom.WithoutUnits(),
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otelprom.WithoutScopeInfo(),
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)
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if err != nil {
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return nil, err
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}
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meterProvider := metric.NewMeterProvider(
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metric.WithReader(exporter),
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metric.WithResource(res),
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)
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otel.SetMeterProvider(meterProvider)
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return &Provider{
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MeterProvider: meterProvider,
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MetricsHandler: clientpromhttp.HandlerFor(registry, clientpromhttp.HandlerOpts{}),
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Shutdown: func(ctx context.Context) error {
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return meterProvider.Shutdown(ctx)
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},
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}, nil
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}
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