feat: add resource limit and request for csiResizer

adding Container Resource Request and limit
for the csiResizer container.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

controllers/defaults.go

@@ -76,6 +76,11 @@ var (
 	TopolvmCsiProvisionerCPURequest = "100m"
 	TopolvmCsiProvisionerCPULimit   = "100m"
 
+	TopolvmCsiResizerMemRequest = "100Mi"
+	TopolvmCsiResizerMemLimit   = "100Mi"
+	TopolvmCsiResizerCPURequest = "100m"
+	TopolvmCsiResizerCPULimit   = "100m"
+
 	// CSI Provisioner requires below environment values to make use of CSIStorageCapacity
 	PodNameEnv   = "POD_NAME"
 	NameSpaceEnv = "NAMESPACE"

controllers/topolvm_controller.go

@@ -313,10 +313,22 @@ func getCsiResizerContainer() *corev1.Container {
 		{Name: "socket-dir", MountPath: filepath.Dir(DefaultCSISocket)},
 	}
 
+	resourceRequirements := corev1.ResourceRequirements{
+		Limits: corev1.ResourceList{
+			corev1.ResourceCPU:    resource.MustParse(TopolvmCsiResizerCPULimit),
+			corev1.ResourceMemory: resource.MustParse(TopolvmCsiResizerMemLimit),
+		},
+		Requests: corev1.ResourceList{
+			corev1.ResourceCPU:    resource.MustParse(TopolvmCsiResizerCPURequest),
+			corev1.ResourceMemory: resource.MustParse(TopolvmCsiResizerMemRequest),
+		},
+	}
+
 	csiResizer := &corev1.Container{
 		Name:         CsiResizerContainerName,
 		Image:        CsiResizerImage,
 		Args:         args,
+		Resources:    resourceRequirements,
 		VolumeMounts: volumeMounts,
 	}
 	return csiResizer