node: memory-mgr: Add metadata to logs

Ensure that whereever possible, we provide sufficient metadata
inclusing pod name and UID to allow filtering by pod name or its
UID.

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

Author: swatisehgal

pkg/kubelet/cm/memorymanager/memory_manager.go

@@ -266,7 +266,7 @@ func (m *manager) Allocate(pod *v1.Pod, container *v1.Container) error {
 
 	// Call down into the policy to assign this container memory if required.
 	if err := m.policy.Allocate(m.state, pod, container); err != nil {
-		klog.ErrorS(err, "Allocate error")
+		klog.ErrorS(err, "Allocate error", "pod", klog.KObj(pod), "containerName", container.Name)
 		return err
 	}
 	return nil

pkg/kubelet/cm/memorymanager/policy_static.go

@@ -304,24 +304,24 @@ func regenerateHints(pod *v1.Pod, ctn *v1.Container, ctnBlocks []state.Block, re
 	}
 
 	if len(ctnBlocks) != len(reqRsrc) {
-		klog.InfoS("The number of requested resources by the container differs from the number of memory blocks", "containerName", ctn.Name)
+		klog.InfoS("The number of requested resources by the container differs from the number of memory blocks", "pod", klog.KObj(pod), "containerName", ctn.Name)
 		return nil
 	}
 
 	for _, b := range ctnBlocks {
 		if _, ok := reqRsrc[b.Type]; !ok {
-			klog.InfoS("Container requested resources do not have resource of this type", "containerName", ctn.Name, "type", b.Type)
+			klog.InfoS("Container requested resources do not have resource of this type", "pod", klog.KObj(pod), "containerName", ctn.Name, "type", b.Type)
 			return nil
 		}
 
 		if b.Size != reqRsrc[b.Type] {
-			klog.InfoS("Memory already allocated with different numbers than requested", "podUID", pod.UID, "type", b.Type, "containerName", ctn.Name, "requestedResource", reqRsrc[b.Type], "allocatedSize", b.Size)
+			klog.InfoS("Memory already allocated with different numbers than requested", "pod", klog.KObj(pod), "containerName", ctn.Name, "type", b.Type, "requestedResource", reqRsrc[b.Type], "allocatedSize", b.Size)
 			return nil
 		}
 
 		containerNUMAAffinity, err := bitmask.NewBitMask(b.NUMAAffinity...)
 		if err != nil {
-			klog.ErrorS(err, "Failed to generate NUMA bitmask")
+			klog.ErrorS(err, "Failed to generate NUMA bitmask", "pod", klog.KObj(pod), "containerName", ctn.Name, "type", b.Type)
 			return nil
 		}