Added healthcheckextension factory in k8s agent (#174)

Author: bhogayatakb

pkg/agent/kubeagent.go

@@ -12,6 +12,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/kafkaexporter"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/healthcheckextension"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/attributesprocessor"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/cumulativetodeltaprocessor"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/processor/deltatorateprocessor"
@@ -128,7 +129,7 @@ func (k *KubeAgent) GetFactories(_ context.Context) (otelcol.Factories, error) {
 	var err error
 	factories := otelcol.Factories{}
 	factories.Extensions, err = extension.MakeFactoryMap(
-	//healthcheckextension.NewFactory(),
+		healthcheckextension.NewFactory(),
 	// frontend.NewAuthFactory(),
 	)
 	if err != nil {