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fix: reuse global TracerProvider #116

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Merged
merged 1 commit into from
Jun 9, 2025
Merged

fix: reuse global TracerProvider #116

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9 changes: 2 additions & 7 deletions azure/defaults.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@ limitations under the License.
package azure

import (
"context"
"fmt"
"net/http"
"regexp"
Expand All @@ -28,8 +27,8 @@ import (
"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v5"
"github.com/Azure/azure-sdk-for-go/sdk/tracing/azotel"
"go.opentelemetry.io/otel"

"sigs.k8s.io/cluster-api-provider-azure/pkg/ot"
"sigs.k8s.io/cluster-api-provider-azure/util/tele"
"sigs.k8s.io/cluster-api-provider-azure/version"
)
Expand Down Expand Up @@ -383,11 +382,7 @@ func ARMClientOptions(azureEnvironment string, extraPolicies ...policy.Policy) (
opts.PerCallPolicies = append(opts.PerCallPolicies, extraPolicies...)
opts.Retry.MaxRetries = -1 // Less than zero means one try and no retries.

otelTP, err := ot.OTLPTracerProvider(context.TODO())
if err != nil {
return nil, err
}
opts.TracingProvider = azotel.NewTracingProvider(otelTP, nil)
opts.TracingProvider = azotel.NewTracingProvider(otel.GetTracerProvider(), nil)

return opts, nil
}
Expand Down
9 changes: 3 additions & 6 deletions azure/scope/identity.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,14 +26,14 @@ import (
"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
"github.com/Azure/azure-sdk-for-go/sdk/tracing/azotel"
"github.com/pkg/errors"
"go.opentelemetry.io/otel"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"

infrav1 "sigs.k8s.io/cluster-api-provider-azure/api/v1beta1"
"sigs.k8s.io/cluster-api-provider-azure/azure"
"sigs.k8s.io/cluster-api-provider-azure/pkg/ot"
"sigs.k8s.io/cluster-api-provider-azure/util/tele"
)

Expand Down Expand Up @@ -89,11 +89,7 @@ func (p *AzureCredentialsProvider) GetTokenCredential(ctx context.Context, resou
var authErr error
var cred azcore.TokenCredential

otelTP, err := ot.OTLPTracerProvider(ctx)
if err != nil {
return nil, err
}
tracingProvider := azotel.NewTracingProvider(otelTP, nil)
tracingProvider := azotel.NewTracingProvider(otel.GetTracerProvider(), nil)

switch p.Identity.Spec.Type {
case infrav1.WorkloadIdentity:
Expand Down Expand Up @@ -133,6 +129,7 @@ func (p *AzureCredentialsProvider) GetTokenCredential(ctx context.Context, resou
case infrav1.ServicePrincipalCertificate:
var certsContent []byte
if p.Identity.Spec.CertPath != "" {
var err error
certsContent, err = os.ReadFile(p.Identity.Spec.CertPath)
if err != nil {
return nil, errors.Wrap(err, "failed to read certificate file")
Expand Down
9 changes: 2 additions & 7 deletions controllers/aso_credential_cache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,12 @@ import (
"github.com/Azure/azure-sdk-for-go/sdk/tracing/azotel"
asoannotations "github.com/Azure/azure-service-operator/v2/pkg/common/annotations"
"github.com/Azure/azure-service-operator/v2/pkg/common/config"
"go.opentelemetry.io/otel"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"

"sigs.k8s.io/cluster-api-provider-azure/azure"
"sigs.k8s.io/cluster-api-provider-azure/azure/scope"
"sigs.k8s.io/cluster-api-provider-azure/pkg/ot"
"sigs.k8s.io/cluster-api-provider-azure/util/tele"
)

Expand Down Expand Up @@ -98,13 +98,8 @@ func (c *asoCredentialCache) clientOptsForASOResource(ctx context.Context, obj c
return azcore.ClientOptions{}, err
}

otelTP, err := ot.OTLPTracerProvider(ctx)
if err != nil {
return azcore.ClientOptions{}, err
}

opts := azcore.ClientOptions{
TracingProvider: azotel.NewTracingProvider(otelTP, nil),
TracingProvider: azotel.NewTracingProvider(otel.GetTracerProvider(), nil),
Cloud: cloud.Configuration{
ActiveDirectoryAuthorityHost: string(secret.Data[config.AzureAuthorityHost]),
},
Expand Down
6 changes: 3 additions & 3 deletions pkg/ot/traces.go
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ import (

// RegisterTracing enables code tracing via OpenTelemetry.
func RegisterTracing(ctx context.Context, log logr.Logger) error {
tp, err := OTLPTracerProvider(ctx)
tp, err := otlpTracerProvider(ctx)
if err != nil {
return err
}
Expand All @@ -54,8 +54,8 @@ func RegisterTracing(ctx context.Context, log logr.Logger) error {
return nil
}

// OTLPTracerProvider initializes an OTLP exporter and configures the corresponding tracer provider.
func OTLPTracerProvider(ctx context.Context) (*sdktrace.TracerProvider, error) {
// otlpTracerProvider initializes an OTLP exporter and configures the corresponding tracer provider.
func otlpTracerProvider(ctx context.Context) (*sdktrace.TracerProvider, error) {
res, err := resource.New(ctx,
resource.WithAttributes(
semconv.ServiceNameKey.String("capz"),
Expand Down
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