K8sattributes lifecycle (open-telemetry#30387)

**Description:** 
Change k8sattributes processor to be in line with lifecycle expectations
of a component.

.chloggen/k8sattributes_lifecycle.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: Apply lifecycle tests to k8sprocessor, change its behavior to report fatal error
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [30387]
+
+# (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/factory.go

@@ -75,10 +75,7 @@ func createTracesProcessorWithOptions(
 	next consumer.Traces,
 	options ...option,
 ) (processor.Traces, error) {
-	kp, err := createKubernetesProcessor(set, cfg, options...)
-	if err != nil {
-		return nil, err
-	}
+	kp := createKubernetesProcessor(set, cfg, options...)
 
 	return processorhelper.NewTracesProcessor(
 		ctx,
@@ -98,10 +95,7 @@ func createMetricsProcessorWithOptions(
 	nextMetricsConsumer consumer.Metrics,
 	options ...option,
 ) (processor.Metrics, error) {
-	kp, err := createKubernetesProcessor(set, cfg, options...)
-	if err != nil {
-		return nil, err
-	}
+	kp := createKubernetesProcessor(set, cfg, options...)
 
 	return processorhelper.NewMetricsProcessor(
 		ctx,
@@ -121,10 +115,7 @@ func createLogsProcessorWithOptions(
 	nextLogsConsumer consumer.Logs,
 	options ...option,
 ) (processor.Logs, error) {
-	kp, err := createKubernetesProcessor(set, cfg, options...)
-	if err != nil {
-		return nil, err
-	}
+	kp := createKubernetesProcessor(set, cfg, options...)
 
 	return processorhelper.NewLogsProcessor(
 		ctx,
@@ -141,26 +132,14 @@ func createKubernetesProcessor(
 	params processor.CreateSettings,
 	cfg component.Config,
 	options ...option,
-) (*kubernetesprocessor, error) {
-	kp := &kubernetesprocessor{logger: params.Logger}
-
-	allOptions := append(createProcessorOpts(cfg), options...)
-
-	for _, opt := range allOptions {
-		if err := opt(kp); err != nil {
-			return nil, err
-		}
-	}
-
-	// This might have been set by an option already
-	if kp.kc == nil {
-		err := kp.initKubeClient(kp.logger, kubeClientProvider)
-		if err != nil {
-			return nil, err
-		}
+) *kubernetesprocessor {
+	kp := &kubernetesprocessor{logger: params.Logger,
+		cfg:               cfg,
+		options:           options,
+		telemetrySettings: params.TelemetrySettings,
 	}
 
-	return kp, nil
+	return kp
 }
 
 func createProcessorOpts(cfg component.Config) []option {

processor/k8sattributesprocessor/go.mod

@@ -5,6 +5,7 @@ go 1.20
 require (
 	github.com/google/go-cmp v0.6.0
 	github.com/google/uuid v1.5.0
+	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.92.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8sconfig v0.92.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8stest v0.92.0
 	github.com/stretchr/testify v1.8.4
@@ -34,7 +35,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/docker/docker v24.0.7+incompatible // indirect
-	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/evanphx/json-patch v5.6.0+incompatible // indirect
@@ -68,7 +69,7 @@ require (
 	github.com/mostynb/go-grpc-compression v1.2.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.0.2 // indirect
+	github.com/opencontainers/image-spec v1.1.0-rc5 // indirect
 	github.com/openshift/api v3.9.0+incompatible // indirect
 	github.com/openshift/client-go v0.0.0-20210521082421-73d9475a9142 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -127,3 +128,11 @@ replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8ste
 
 // ambiguous import: found package cloud.google.com/go/compute/metadata in multiple modules
 replace cloud.google.com/go v0.54.0 => cloud.google.com/go v0.110.10
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal => ../../internal/coreinternal
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatautil => ../../pkg/pdatautil
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatatest => ../../pkg/pdatatest
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/golden => ../../pkg/golden

processor/k8sattributesprocessor/metadata.yaml

@@ -97,3 +97,6 @@ resource_attributes:
     description: Container image tag. Requires container.id or k8s.container.name.
     type: string
     enabled: true
+
+tests:
+  config:

processor/k8sattributesprocessor/processor.go

@@ -25,14 +25,17 @@ const (
 )
 
 type kubernetesprocessor struct {
-	logger          *zap.Logger
-	apiConfig       k8sconfig.APIConfig
-	kc              kube.Client
-	passthroughMode bool
-	rules           kube.ExtractionRules
-	filters         kube.Filters
-	podAssociations []kube.Association
-	podIgnore       kube.Excludes
+	cfg               component.Config
+	options           []option
+	telemetrySettings component.TelemetrySettings
+	logger            *zap.Logger
+	apiConfig         k8sconfig.APIConfig
+	kc                kube.Client
+	passthroughMode   bool
+	rules             kube.ExtractionRules
+	filters           kube.Filters
+	podAssociations   []kube.Association
+	podIgnore         kube.Excludes
 }
 
 func (kp *kubernetesprocessor) initKubeClient(logger *zap.Logger, kubeClient kube.ClientProvider) error {
@@ -50,6 +53,23 @@ func (kp *kubernetesprocessor) initKubeClient(logger *zap.Logger, kubeClient kub
 }
 
 func (kp *kubernetesprocessor) Start(_ context.Context, _ component.Host) error {
+	allOptions := append(createProcessorOpts(kp.cfg), kp.options...)
+
+	for _, opt := range allOptions {
+		if err := opt(kp); err != nil {
+			kp.telemetrySettings.ReportStatus(component.NewFatalErrorEvent(err))
+			return nil
+		}
+	}
+
+	// This might have been set by an option already
+	if kp.kc == nil {
+		err := kp.initKubeClient(kp.logger, kubeClientProvider)
+		if err != nil {
+			kp.telemetrySettings.ReportStatus(component.NewFatalErrorEvent(err))
+			return nil
+		}
+	}
 	if !kp.passthroughMode {
 		go kp.kc.Start()
 	}