memory manager: update API constant to have camel case format

Signed-off-by: Artyom Lukianov <alukiano@redhat.com>

cmd/kubelet/app/options/options.go

@@ -552,7 +552,7 @@ Runtime log sanitization may introduce significant computation overhead and ther
 	fs.BoolVar(&c.KernelMemcgNotification, "experimental-kernel-memcg-notification", c.KernelMemcgNotification, "Use kernelMemcgNotification configuration, this flag will be removed in 1.23.")
 
 	// Memory Manager Flags
-	fs.StringVar(&c.MemoryManagerPolicy, "memory-manager-policy", c.MemoryManagerPolicy, "Memory Manager policy to use. Possible values: 'none', 'static'. Default: 'none'")
+	fs.StringVar(&c.MemoryManagerPolicy, "memory-manager-policy", c.MemoryManagerPolicy, "Memory Manager policy to use. Possible values: 'None', 'Static'. Default: 'None'")
 	// TODO: once documentation link is available, replace KEP link with the documentation one.
 	fs.Var(&utilflag.ReservedMemoryVar{Value: &c.ReservedMemory}, "reserved-memory", "A comma separated list of memory reservations for NUMA nodes. (e.g. --reserved-memory 0:memory=1Gi,hugepages-1M=2Gi --reserved-memory 1:memory=2Gi). The total sum for each memory type should be equal to the sum of kube-reserved, system-reserved and eviction-threshold. See more details under https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/1769-memory-manager#reserved-memory-flag")
 }

pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/after/v1beta1.yaml

@@ -55,7 +55,7 @@ logging:
 makeIPTablesUtilChains: true
 maxOpenFiles: 1000000
 maxPods: 110
-memoryManagerPolicy: none
+memoryManagerPolicy: None
 nodeLeaseDurationSeconds: 40
 nodeStatusMaxImages: 50
 nodeStatusReportFrequency: 5m0s

pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/roundtrip/default/v1beta1.yaml

@@ -55,7 +55,7 @@ logging:
 makeIPTablesUtilChains: true
 maxOpenFiles: 1000000
 maxPods: 110
-memoryManagerPolicy: none
+memoryManagerPolicy: None
 nodeLeaseDurationSeconds: 40
 nodeStatusMaxImages: 50
 nodeStatusReportFrequency: 5m0s

pkg/kubelet/cm/memorymanager/policy_none.go

@@ -22,7 +22,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
 )
 
-const policyTypeNone policyType = "none"
+const policyTypeNone policyType = "None"
 
 // none is implementation of the policy interface for the none policy, using none
 // policy is the same as disable memory management

pkg/kubelet/cm/memorymanager/policy_static.go

@@ -33,7 +33,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager/bitmask"
 )
 
-const policyTypeStatic policyType = "static"
+const policyTypeStatic policyType = "Static"
 
 type systemReservedMemory map[int]map[v1.ResourceName]uint64
 

staging/src/k8s.io/kubelet/config/v1beta1/types.go

@@ -75,11 +75,11 @@ const (
 	PodTopologyManagerScope = "pod"
 	// NoneMemoryManagerPolicy is a memory manager none policy, under the none policy
 	// the memory manager will not pin containers memory of guaranteed pods
-	NoneMemoryManagerPolicy = "none"
+	NoneMemoryManagerPolicy = "None"
 	// StaticMemoryManagerPolicy is a memory manager static policy, under the static policy
 	// the memory manager will try to pin containers memory of guaranteed pods to the smallest
 	// possible sub-set of NUMA nodes
-	StaticMemoryManagerPolicy = "static"
+	StaticMemoryManagerPolicy = "Static"
 )
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -430,7 +430,7 @@ type KubeletConfiguration struct {
 	// Requires the CPUManager feature gate to be enabled.
 	// Dynamic Kubelet Config (beta): This field should not be updated without a full node
 	// reboot. It is safest to keep this value the same as the local config.
-	// Default: "none"
+	// Default: "None"
 	// +optional
 	CPUManagerPolicy string `json:"cpuManagerPolicy,omitempty"`
 	// CPU Manager reconciliation period.

test/e2e_node/memory_manager_test.go

@@ -47,8 +47,8 @@ const (
 	evictionHardMemory     = "memory.available"
 	memoryManagerStateFile = "/var/lib/kubelet/memory_manager_state"
 	resourceMemory         = "memory"
-	staticPolicy           = "static"
-	nonePolicy             = "none"
+	staticPolicy           = "Static"
+	nonePolicy             = "None"
 )
 
 // Helper for makeMemoryManagerPod().