add resource detector code

Signed-off-by: alex boten <[email protected]>

Author: codeboten

otelconf/config_test.go

@@ -2354,3 +2354,28 @@ func TestUnmarshalPullMetricReader(t *testing.T) {
 		})
 	}
 }
+
+func TestUnmarshalResourceJson(t *testing.T) {
+	r := ResourceJson{}
+
+	err := yaml.Unmarshal([]byte("detection/development:\n  detectors:\n    - container:\n    - host:\n    - process:\n    - service:"), &r)
+	require.NoError(t, err)
+	require.Equal(t, ResourceJson{
+		DetectionDevelopment: &ExperimentalResourceDetection{
+			Detectors: []ExperimentalResourceDetector{
+				{
+					Container: ExperimentalContainerResourceDetector{},
+				},
+				{
+					Host: ExperimentalHostResourceDetector{},
+				},
+				{
+					Process: ExperimentalProcessResourceDetector{},
+				},
+				{
+					Service: ExperimentalServiceResourceDetector{},
+				},
+			},
+		},
+	}, r)
+}

otelconf/config_yaml.go

@@ -26,6 +26,33 @@ func hasYAMLMapKey(node *yaml.Node, key string) bool {
 	return false
 }
 
+// UnmarshalYAML implements yaml.Unmarshaler.
+func (j *ExperimentalResourceDetector) UnmarshalYAML(node *yaml.Node) error {
+	type Plain ExperimentalResourceDetector
+	var plain Plain
+	if err := node.Decode(&plain); err != nil {
+		return errors.Join(newErrUnmarshal(j), err)
+	}
+	// container can be nil, must check and set here
+	if hasYAMLMapKey(node, "container") && plain.Container == nil {
+		plain.Container = ExperimentalContainerResourceDetector{}
+	}
+	// host can be nil, must check and set here
+	if hasYAMLMapKey(node, "host") && plain.Host == nil {
+		plain.Host = ExperimentalHostResourceDetector{}
+	}
+	// process can be nil, must check and set here
+	if hasYAMLMapKey(node, "process") && plain.Process == nil {
+		plain.Process = ExperimentalProcessResourceDetector{}
+	}
+	// service can be nil, must check and set here
+	if hasYAMLMapKey(node, "service") && plain.Service == nil {
+		plain.Service = ExperimentalServiceResourceDetector{}
+	}
+	*j = ExperimentalResourceDetector(plain)
+	return nil
+}
+
 // UnmarshalYAML implements yaml.Unmarshaler.
 func (j *PushMetricExporter) UnmarshalYAML(node *yaml.Node) error {
 	type Plain PushMetricExporter

otelconf/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/prometheus/client_golang v1.23.2
 	github.com/prometheus/otlptranslator v1.0.0
 	github.com/stretchr/testify v1.11.1
+	go.opentelemetry.io/contrib/detectors/autodetect v0.10.0
 	go.opentelemetry.io/otel v1.38.0
 	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.14.0
 	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.14.0
@@ -30,27 +31,80 @@ require (
 )
 
 require (
+	cloud.google.com/go/compute/metadata v0.9.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.30.0 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.38.3 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.31.6 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.18.10 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.6 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.6 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.6 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.6 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.29.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.34.2 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.38.2 // indirect
+	github.com/aws/smithy-go v1.23.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/brunoscheufler/aws-ecs-metadata-go v0.0.0-20221221133751-67e37ae746cd // indirect
 	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.21.2 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.7.0 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.9.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/detectors/aws/ec2/v2 v2.0.0 // indirect
+	go.opentelemetry.io/contrib/detectors/aws/ecs v1.38.0 // indirect
+	go.opentelemetry.io/contrib/detectors/aws/eks v1.38.0 // indirect
+	go.opentelemetry.io/contrib/detectors/aws/lambda v0.63.0 // indirect
+	go.opentelemetry.io/contrib/detectors/azure/azurevm v0.10.0 // indirect
+	go.opentelemetry.io/contrib/detectors/gcp v1.38.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/oauth2 v0.32.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/term v0.37.0 // indirect
 	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20251124214823-79d6a2a48846 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251124214823-79d6a2a48846 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/api v0.32.4 // indirect
+	k8s.io/apimachinery v0.32.4 // indirect
+	k8s.io/client-go v0.32.4 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20250701173324-9bd5c66d9911 // indirect
+	k8s.io/utils v0.0.0-20250820121507-0af2bda4dd1d // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.7.0 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
 )