feat(components): permit to define kube-controller-manager and kube-scheduler resources

k8s/crds/kops.k8s.io_clusters.yaml

@@ -2254,6 +2254,22 @@ spec:
                     items:
                       type: string
                     type: array
+                  cpuLimit:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: CPULimit, cpu limit compute resource for kube-controler-manager
+                      e.g. "500m"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
+                  cpuRequest:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: CPURequest, cpu request compute resource for kube-controler-manager.
+                      Defaults to "100m"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
                   disableAttachDetachReconcileSync:
                     description: |-
                       DisableAttachDetachReconcileSync disables the reconcile sync loop in the attach-detach controller.
@@ -2421,6 +2437,22 @@ spec:
                   master:
                     description: Master is the url for the kube api master
                     type: string
+                  memoryLimit:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: MemoryLimit, memory limit compute resource for kube-controler-manager
+                      e.g. "30Mi"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
+                  memoryRequest:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: MemoryRequest, memory request compute resource for
+                      kube-controler-manager e.g. "30Mi"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
                   minResyncPeriod:
                     description: |-
                       MinResyncPeriod indicates the resync period in reflectors.
@@ -3708,6 +3740,22 @@ spec:
                       the burst quota is exhausted
                     format: int32
                     type: integer
+                  cpuLimit:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: CPULimit, cpu limit compute resource for scheduler
+                      e.g. "500m"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
+                  cpuRequest:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: CPURequest, cpu request compute resource for scheduler.
+                      Defaults to "100m"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
                   enableContentionProfiling:
                     description: EnableContentionProfiling enables block profiling,
                       if profiling is enabled
@@ -3801,6 +3849,22 @@ spec:
                       as outlined: https://kubernetes.io/docs/concepts/storage/storage-limits/
                     format: int32
                     type: integer
+                  memoryLimit:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: MemoryLimit, memory limit compute resource for scheduler
+                      e.g. "30Mi"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
+                  memoryRequest:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: MemoryRequest, memory request compute resource for
+                      scheduler e.g. "30Mi"
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
                   qps:
                     anyOf:
                     - type: integer

nodeup/pkg/model/kube_controller_manager.go

@@ -202,6 +202,27 @@ func (b *KubeControllerManagerBuilder) buildPod(kcm *kops.KubeControllerManagerC
 	// Add the volumePluginDir flag if provided in the kubelet spec, or set above based on the OS
 	flags = append(flags, "--flex-volume-plugin-dir="+volumePluginDir)
 
+	resourceRequests := v1.ResourceList{}
+	resourceLimits := v1.ResourceList{}
+
+	cpuRequest := resource.MustParse("100m")
+	if kcm.CPURequest != nil {
+		cpuRequest = *kcm.CPURequest
+	}
+	resourceRequests["cpu"] = cpuRequest
+
+	if kcm.CPULimit != nil {
+		resourceLimits["cpu"] = *kcm.CPULimit
+	}
+
+	if kcm.MemoryRequest != nil {
+		resourceRequests["memory"] = *kcm.MemoryRequest
+	}
+
+	if kcm.MemoryLimit != nil {
+		resourceLimits["memory"] = *kcm.MemoryLimit
+	}
+
 	image := b.RemapImage(kcm.Image)
 
 	container := &v1.Container{
@@ -221,9 +242,8 @@ func (b *KubeControllerManagerBuilder) buildPod(kcm *kops.KubeControllerManagerC
 			TimeoutSeconds:      15,
 		},
 		Resources: v1.ResourceRequirements{
-			Requests: v1.ResourceList{
-				v1.ResourceCPU: resource.MustParse("100m"),
-			},
+			Requests: resourceRequests,
+			Limits:   resourceLimits,
 		},
 	}
 

nodeup/pkg/model/kube_scheduler.go

@@ -213,6 +213,27 @@ func (b *KubeSchedulerBuilder) buildPod(kubeScheduler *kops.KubeSchedulerConfig)
 		},
 	}
 
+	resourceRequests := v1.ResourceList{}
+	resourceLimits := v1.ResourceList{}
+
+	cpuRequest := resource.MustParse("100m")
+	if kubeScheduler.CPURequest != nil {
+		cpuRequest = *kubeScheduler.CPURequest
+	}
+	resourceRequests["cpu"] = cpuRequest
+
+	if kubeScheduler.CPULimit != nil {
+		resourceLimits["cpu"] = *kubeScheduler.CPULimit
+	}
+
+	if kubeScheduler.MemoryRequest != nil {
+		resourceRequests["memory"] = *kubeScheduler.MemoryRequest
+	}
+
+	if kubeScheduler.MemoryLimit != nil {
+		resourceLimits["memory"] = *kubeScheduler.MemoryLimit
+	}
+
 	image := b.RemapImage(kubeScheduler.Image)
 
 	healthAction := &v1.HTTPGetAction{
@@ -232,9 +253,8 @@ func (b *KubeSchedulerBuilder) buildPod(kubeScheduler *kops.KubeSchedulerConfig)
 			TimeoutSeconds:      15,
 		},
 		Resources: v1.ResourceRequirements{
-			Requests: v1.ResourceList{
-				v1.ResourceCPU: resource.MustParse("100m"),
-			},
+			Requests: resourceRequests,
+			Limits:   resourceLimits,
 		},
 	}
 	kubemanifest.AddHostPathMapping(pod, container, "varlibkubescheduler", "/var/lib/kube-scheduler")

pkg/apis/kops/componentconfig.go

@@ -694,6 +694,15 @@ type KubeControllerManagerConfig struct {
 	EnableContentionProfiling *bool `json:"enableContentionProfiling,omitempty" flag:"contention-profiling"`
 	// EnableLeaderMigration enables controller leader migration.
 	EnableLeaderMigration *bool `json:"enableLeaderMigration,omitempty" flag:"enable-leader-migration"`
+
+	// CPURequest, cpu request compute resource for kube-controler-manager. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for kube-controler-manager e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // CloudControllerManagerConfig is the configuration of the cloud controller
@@ -783,6 +792,15 @@ type KubeSchedulerConfig struct {
 	TLSCertFile *string `json:"tlsCertFile,omitempty" flag:"tls-cert-file"`
 	// TLSPrivateKeyFile is the file containing the private key for the TLS server certificate.
 	TLSPrivateKeyFile string `json:"tlsPrivateKeyFile,omitempty" flag:"tls-private-key-file"`
+
+	// CPURequest, cpu request compute resource for scheduler. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for scheduler e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for scheduler e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for scheduler e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // LeaderElectionConfiguration defines the configuration of leader election

pkg/apis/kops/v1alpha2/componentconfig.go

@@ -700,6 +700,15 @@ type KubeControllerManagerConfig struct {
 	EnableContentionProfiling *bool `json:"enableContentionProfiling,omitempty" flag:"contention-profiling"`
 	// EnableLeaderMigration enables controller leader migration.
 	EnableLeaderMigration *bool `json:"enableLeaderMigration,omitempty" flag:"enable-leader-migration"`
+
+	// CPURequest, cpu request compute resource for kube-controler-manager. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for kube-controler-manager e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // CloudControllerManagerConfig is the configuration of the cloud controller
@@ -789,6 +798,15 @@ type KubeSchedulerConfig struct {
 	TLSCertFile *string `json:"tlsCertFile,omitempty" flag:"tls-cert-file"`
 	// TLSPrivateKeyFile is the file containing the private key for the TLS server certificate.
 	TLSPrivateKeyFile string `json:"tlsPrivateKeyFile,omitempty" flag:"tls-private-key-file"`
+
+	// CPURequest, cpu request compute resource for scheduler. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for scheduler e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for scheduler e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for scheduler e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // LeaderElectionConfiguration defines the configuration of leader election

pkg/apis/kops/v1alpha3/componentconfig.go

@@ -691,6 +691,15 @@ type KubeControllerManagerConfig struct {
 	EnableContentionProfiling *bool `json:"enableContentionProfiling,omitempty" flag:"contention-profiling"`
 	// EnableLeaderMigration enables controller leader migration.
 	EnableLeaderMigration *bool `json:"enableLeaderMigration,omitempty" flag:"enable-leader-migration"`
+
+	// CPURequest, cpu request compute resource for kube-controler-manager. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for kube-controler-manager e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for kube-controler-manager e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // CloudControllerManagerConfig is the configuration of the cloud controller
@@ -780,6 +789,15 @@ type KubeSchedulerConfig struct {
 	TLSCertFile *string `json:"tlsCertFile,omitempty" flag:"tls-cert-file"`
 	// TLSPrivateKeyFile is the file containing the private key for the TLS server certificate.
 	TLSPrivateKeyFile string `json:"tlsPrivateKeyFile,omitempty" flag:"tls-private-key-file"`
+
+	// CPURequest, cpu request compute resource for scheduler. Defaults to "100m"
+	CPURequest *resource.Quantity `json:"cpuRequest,omitempty"`
+	// CPULimit, cpu limit compute resource for scheduler e.g. "500m"
+	CPULimit *resource.Quantity `json:"cpuLimit,omitempty"`
+	// MemoryRequest, memory request compute resource for scheduler e.g. "30Mi"
+	MemoryRequest *resource.Quantity `json:"memoryRequest,omitempty"`
+	// MemoryLimit, memory limit compute resource for scheduler e.g. "30Mi"
+	MemoryLimit *resource.Quantity `json:"memoryLimit,omitempty"`
 }
 
 // LeaderElectionConfiguration defines the configuration of leader election