[processor/k8sattributes] Add support for profiles signal (#35999)

#### Description
Add support for profiles signal to `k8sattributesprocessor`.

#### Link to tracking issue
Fixes #35983

#### Testing
- factory_test.go
- processor_test.go

Author: haoqixu

.chloggen/f-profiles-k8sattributesprocessor.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: k8sattributesprocessor
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Add support for profiles signal
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [35983]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

processor/k8sattributesprocessor/README.md

@@ -2,12 +2,14 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [beta]: logs, metrics, traces   |
+| Stability     | [development]: profiles   |
+|               | [beta]: logs, metrics, traces   |
 | Distributions | [contrib], [k8s] |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aprocessor%2Fk8sattributes%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aprocessor%2Fk8sattributes) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aprocessor%2Fk8sattributes%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aprocessor%2Fk8sattributes) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@dmitryax](https://www.github.com/dmitryax), [@fatsheep9146](https://www.github.com/fatsheep9146), [@TylerHelmuth](https://www.github.com/TylerHelmuth) |
 | Emeritus      | [@rmfitzpatrick](https://www.github.com/rmfitzpatrick) |
 
+[development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development
 [beta]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#beta
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 [k8s]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-k8s

processor/k8sattributesprocessor/e2e_test.go

@@ -8,8 +8,11 @@ import (
 
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/consumer"
+	"go.opentelemetry.io/collector/consumer/consumerprofiles"
 	"go.opentelemetry.io/collector/processor"
 	"go.opentelemetry.io/collector/processor/processorhelper"
+	"go.opentelemetry.io/collector/processor/processorhelper/processorhelperprofiles"
+	"go.opentelemetry.io/collector/processor/processorprofiles"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8sconfig"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/k8sattributesprocessor/internal/kube"
@@ -22,12 +25,13 @@ var defaultExcludes = ExcludeConfig{Pods: []ExcludePodConfig{{Name: "jaeger-agen
 
 // NewFactory returns a new factory for the k8s processor.
 func NewFactory() processor.Factory {
-	return processor.NewFactory(
+	return processorprofiles.NewFactory(
 		metadata.Type,
 		createDefaultConfig,
-		processor.WithTraces(createTracesProcessor, metadata.TracesStability),
-		processor.WithMetrics(createMetricsProcessor, metadata.MetricsStability),
-		processor.WithLogs(createLogsProcessor, metadata.LogsStability),
+		processorprofiles.WithTraces(createTracesProcessor, metadata.TracesStability),
+		processorprofiles.WithMetrics(createMetricsProcessor, metadata.MetricsStability),
+		processorprofiles.WithLogs(createLogsProcessor, metadata.LogsStability),
+		processorprofiles.WithProfiles(createProfilesProcessor, metadata.ProfilesStability),
 	)
 }
 
@@ -68,6 +72,15 @@ func createMetricsProcessor(
 	return createMetricsProcessorWithOptions(ctx, params, cfg, nextMetricsConsumer)
 }
 
+func createProfilesProcessor(
+	ctx context.Context,
+	params processor.Settings,
+	cfg component.Config,
+	nextProfilesConsumer consumerprofiles.Profiles,
+) (processorprofiles.Profiles, error) {
+	return createProfilesProcessorWithOptions(ctx, params, cfg, nextProfilesConsumer)
+}
+
 func createTracesProcessorWithOptions(
 	ctx context.Context,
 	set processor.Settings,
@@ -128,6 +141,27 @@ func createLogsProcessorWithOptions(
 		processorhelper.WithShutdown(kp.Shutdown))
 }
 
+func createProfilesProcessorWithOptions(
+	ctx context.Context,
+	set processor.Settings,
+	cfg component.Config,
+	nextProfilesConsumer consumerprofiles.Profiles,
+	options ...option,
+) (processorprofiles.Profiles, error) {
+	kp := createKubernetesProcessor(set, cfg, options...)
+
+	return processorhelperprofiles.NewProfiles(
+		ctx,
+		set,
+		cfg,
+		nextProfilesConsumer,
+		kp.processProfiles,
+		processorhelperprofiles.WithCapabilities(consumerCapabilities),
+		processorhelperprofiles.WithStart(kp.Start),
+		processorhelperprofiles.WithShutdown(kp.Shutdown),
+	)
+}
+
 func createKubernetesProcessor(
 	params processor.Settings,
 	cfg component.Config,

processor/k8sattributesprocessor/factory.go

@@ -10,6 +10,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"go.opentelemetry.io/collector/component/componenttest"
 	"go.opentelemetry.io/collector/consumer/consumertest"
+	"go.opentelemetry.io/collector/processor/processorprofiles"
 	"go.opentelemetry.io/collector/processor/processortest"
 )
 
@@ -41,6 +42,10 @@ func TestCreateProcessor(t *testing.T) {
 	assert.NotNil(t, lp)
 	assert.NoError(t, err)
 
+	pp, err := factory.(processorprofiles.Factory).CreateProfiles(context.Background(), params, cfg, consumertest.NewNop())
+	assert.NotNil(t, pp)
+	assert.NoError(t, err)
+
 	oCfg := cfg.(*Config)
 	oCfg.Passthrough = true
 
@@ -56,6 +61,10 @@ func TestCreateProcessor(t *testing.T) {
 	assert.NotNil(t, lp)
 	assert.NoError(t, err)
 
+	pp, err = factory.(processorprofiles.Factory).CreateProfiles(context.Background(), params, cfg, consumertest.NewNop())
+	assert.NotNil(t, pp)
+	assert.NoError(t, err)
+
 	// Switch it back so other tests run afterwards will not fail on unexpected state
 	kubeClientProvider = realClient
 }

processor/k8sattributesprocessor/factory_test.go

@@ -16,13 +16,19 @@ require (
 	go.opentelemetry.io/collector/config/configtelemetry v0.113.0
 	go.opentelemetry.io/collector/confmap v1.19.0
 	go.opentelemetry.io/collector/consumer v0.113.0
+	go.opentelemetry.io/collector/consumer/consumerprofiles v0.113.0
 	go.opentelemetry.io/collector/consumer/consumertest v0.113.0
 	go.opentelemetry.io/collector/featuregate v1.19.0
 	go.opentelemetry.io/collector/pdata v1.19.0
+	go.opentelemetry.io/collector/pdata/pprofile v0.113.0
 	go.opentelemetry.io/collector/pipeline v0.113.0
+	go.opentelemetry.io/collector/pipeline/pipelineprofiles v0.113.0
 	go.opentelemetry.io/collector/processor v0.113.0
+	go.opentelemetry.io/collector/processor/processorhelper/processorhelperprofiles v0.113.0
+	go.opentelemetry.io/collector/processor/processorprofiles v0.113.0
 	go.opentelemetry.io/collector/processor/processortest v0.113.0
 	go.opentelemetry.io/collector/receiver/otlpreceiver v0.113.0
+	go.opentelemetry.io/collector/receiver/receiverprofiles v0.113.0
 	go.opentelemetry.io/collector/receiver/receivertest v0.113.0
 	go.opentelemetry.io/collector/semconv v0.113.0
 	go.opentelemetry.io/otel/metric v1.32.0
@@ -94,15 +100,11 @@ require (
 	go.opentelemetry.io/collector/config/configtls v1.19.0 // indirect
 	go.opentelemetry.io/collector/config/internal v0.113.0 // indirect
 	go.opentelemetry.io/collector/consumer/consumererror v0.113.0 // indirect
-	go.opentelemetry.io/collector/consumer/consumerprofiles v0.113.0 // indirect
 	go.opentelemetry.io/collector/extension v0.113.0 // indirect
 	go.opentelemetry.io/collector/extension/auth v0.113.0 // indirect
 	go.opentelemetry.io/collector/internal/sharedcomponent v0.113.0 // indirect
-	go.opentelemetry.io/collector/pdata/pprofile v0.113.0 // indirect
 	go.opentelemetry.io/collector/pdata/testdata v0.113.0 // indirect
-	go.opentelemetry.io/collector/processor/processorprofiles v0.113.0 // indirect
 	go.opentelemetry.io/collector/receiver v0.113.0 // indirect
-	go.opentelemetry.io/collector/receiver/receiverprofiles v0.113.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.56.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 // indirect
 	go.opentelemetry.io/otel v1.32.0 // indirect

processor/k8sattributesprocessor/go.mod

@@ -4,6 +4,7 @@ status:
   class: processor
   stability:
     beta: [logs, metrics, traces]
+    development: [profiles]
   distributions: [contrib, k8s]
   codeowners:
     active: [dmitryax, fatsheep9146, TylerHelmuth]

processor/k8sattributesprocessor/go.sum

@@ -13,6 +13,7 @@ import (
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	"go.opentelemetry.io/collector/pdata/plog"
 	"go.opentelemetry.io/collector/pdata/pmetric"
+	"go.opentelemetry.io/collector/pdata/pprofile"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 	conventions "go.opentelemetry.io/collector/semconv/v1.8.0"
 	"go.uber.org/zap"
@@ -117,6 +118,16 @@ func (kp *kubernetesprocessor) processLogs(ctx context.Context, ld plog.Logs) (p
 	return ld, nil
 }
 
+// processProfiles process profiles and add k8s metadata using resource IP, hostname or incoming IP as pod origin.
+func (kp *kubernetesprocessor) processProfiles(ctx context.Context, pd pprofile.Profiles) (pprofile.Profiles, error) {
+	rp := pd.ResourceProfiles()
+	for i := 0; i < rp.Len(); i++ {
+		kp.processResource(ctx, rp.At(i).Resource())
+	}
+
+	return pd, nil
+}
+
 // processResource adds Pod metadata tags to resource based on pod association configuration
 func (kp *kubernetesprocessor) processResource(ctx context.Context, resource pcommon.Resource) {
 	podIdentifierValue := extractPodID(ctx, resource.Attributes(), kp.podAssociations)