node: topology-mgr: Add logs in the happy path

Signed-off-by: Swati Sehgal <[email protected]>

Author: swatisehgal

pkg/kubelet/cm/topologymanager/scope_container.go

@@ -17,7 +17,7 @@ limitations under the License.
 package topologymanager
 
 import (
-	 "k8s.io/api/core/v1"
+	"k8s.io/api/core/v1"
 	"k8s.io/klog/v2"
 	"k8s.io/kubernetes/pkg/kubelet/cm/admission"
 	"k8s.io/kubernetes/pkg/kubelet/cm/containermap"
@@ -63,6 +63,7 @@ func (s *containerScope) Admit(pod *v1.Pod) lifecycle.PodAdmitResult {
 		}
 
 		if IsAlignmentGuaranteed(s.policy) {
+			klog.V(4).InfoS("Resource alignment at container scope guaranteed", "pod", klog.KObj(pod))
 			metrics.ContainerAlignedComputeResources.WithLabelValues(metrics.AlignScopeContainer, metrics.AlignedNUMANode).Inc()
 		}
 	}

pkg/kubelet/cm/topologymanager/scope_pod.go

@@ -64,6 +64,7 @@ func (s *podScope) Admit(pod *v1.Pod) lifecycle.PodAdmitResult {
 	}
 	if IsAlignmentGuaranteed(s.policy) {
 		// increment only if we know we allocate aligned resources.
+		klog.V(4).InfoS("Resource alignment at pod scope guaranteed", "pod", klog.KObj(pod))
 		metrics.ContainerAlignedComputeResources.WithLabelValues(metrics.AlignScopePod, metrics.AlignedNUMANode).Inc()
 	}
 	return admission.GetPodAdmitResult(nil)

pkg/kubelet/cm/topologymanager/topology_manager.go

@@ -212,11 +212,13 @@ func (m *manager) RemoveContainer(containerID string) error {
 }
 
 func (m *manager) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAdmitResult {
+	klog.V(4).InfoS("Topology manager admission check", "pod", klog.KObj(attrs.Pod))
 	metrics.TopologyManagerAdmissionRequestsTotal.Inc()
 
 	startTime := time.Now()
 	podAdmitResult := m.scope.Admit(attrs.Pod)
 	metrics.TopologyManagerAdmissionDuration.Observe(float64(time.Since(startTime).Milliseconds()))
 
+	klog.V(4).InfoS("Pod Admit Result", "Message", podAdmitResult.Message, "pod", klog.KObj(attrs.Pod))
 	return podAdmitResult
 }