1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package gcp // import "go.opentelemetry.io/contrib/detectors/gcp"
import (
"context"
"fmt"
"os"
"cloud.google.com/go/compute/metadata"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/sdk/resource"
semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
)
// GKE collects resource information of GKE computing instances.
//
// Deprecated: Use gcp.NewDetector() instead, which does NOT detect container, pod, and namespace attributes.
// Set those using name using the OTEL_RESOURCE_ATTRIBUTES env var instead.
type GKE struct{}
// compile time assertion that GKE implements the resource.Detector interface.
var _ resource.Detector = (*GKE)(nil)
// Detect detects associated resources when running in GKE environment.
func (gke *GKE) Detect(ctx context.Context) (*resource.Resource, error) {
gcpDetecor := GCE{}
gceLablRes, err := gcpDetecor.Detect(ctx)
if os.Getenv("KUBERNETES_SERVICE_HOST") == "" {
return gceLablRes, err
}
var errInfo []string
if err != nil {
errInfo = append(errInfo, err.Error())
}
attributes := []attribute.KeyValue{
semconv.K8SNamespaceName(os.Getenv("NAMESPACE")),
semconv.K8SPodName(os.Getenv("HOSTNAME")),
}
if containerName := os.Getenv("CONTAINER_NAME"); containerName != "" {
attributes = append(attributes, semconv.ContainerName(containerName))
}
if clusterName, err := metadata.InstanceAttributeValueWithContext(ctx, "cluster-name"); hasProblem(err) {
errInfo = append(errInfo, err.Error())
} else if clusterName != "" {
attributes = append(attributes, semconv.K8SClusterName(clusterName))
}
k8sattributeRes := resource.NewWithAttributes(semconv.SchemaURL, attributes...)
res, err := resource.Merge(gceLablRes, k8sattributeRes)
if err != nil {
errInfo = append(errInfo, err.Error())
}
var aggregatedErr error
if len(errInfo) > 0 {
aggregatedErr = fmt.Errorf("detecting GKE resources: %s", errInfo)
}
return res, aggregatedErr
}
|
