Add VolumeSize for rosa machine pool

Author: PanSpagetka

config/crd/bases/controlplane.cluster.x-k8s.io_rosacontrolplanes.yaml

@@ -213,6 +213,12 @@ spec:
                     description: The instance type to use, for example `r5.xlarge`.
                       Instance type ref; https://aws.amazon.com/ec2/instance-types/
                     type: string
+                  volumeSize:
+                    description: VolumeSize set the disk volume size for the default
+                      workers machine pool in Gib. The default is 300 GiB.
+                    maximum: 16384
+                    minimum: 75
+                    type: integer
                 type: object
               domainPrefix:
                 description: |-

config/crd/bases/infrastructure.cluster.x-k8s.io_rosamachinepools.yaml

@@ -219,6 +219,12 @@ spec:
                   Version specifies the OpenShift version of the nodes associated with this machinepool.
                   ROSAControlPlane version is used if not set.
                 type: string
+              volumeSize:
+                description: VolumeSize set the disk volume size for the machine pool,
+                  in Gib. The default is 300 GiB.
+                maximum: 16384
+                minimum: 75
+                type: integer
             required:
             - instanceType
             - nodePoolName

controlplane/rosa/api/v1beta2/rosacontrolplane_types.go

@@ -308,6 +308,13 @@ type DefaultMachinePoolSpec struct {
 	// must be equal or multiple of the availability zones count.
 	// +optional
 	Autoscaling *expinfrav1.RosaMachinePoolAutoScaling `json:"autoscaling,omitempty"`
+
+	// VolumeSize set the disk volume size for the default workers machine pool in Gib. The default is 300 GiB.
+	// +kubebuilder:validation:Minimum=75
+	// +kubebuilder:validation:Maximum=16384
+	// +immutable
+	// +optional
+	VolumeSize int `json:"volumeSize,omitempty"`
 }
 
 // AWSRolesRef contains references to various AWS IAM roles required for operators to make calls against the AWS API.

controlplane/rosa/controllers/rosacontrolplane_controller.go

@@ -957,6 +957,10 @@ func buildOCMClusterSpec(controlPlaneSpec rosacontrolplanev1.RosaControlPlaneSpe
 		ocmClusterSpec.NetworkType = networkSpec.NetworkType
 	}
 
+	if controlPlaneSpec.DefaultMachinePoolSpec.VolumeSize >= 75 {
+		ocmClusterSpec.MachinePoolRootDisk = &ocm.Volume{Size: controlPlaneSpec.DefaultMachinePoolSpec.VolumeSize}
+	}
+
 	// Set cluster compute autoscaling replicas
 	// In case autoscaling is not defined and multiple zones defined, set the compute nodes equal to the zones count.
 	if computeAutoscaling := controlPlaneSpec.DefaultMachinePoolSpec.Autoscaling; computeAutoscaling != nil {

exp/api/v1beta2/rosamachinepool_types.go

@@ -93,6 +93,13 @@ type RosaMachinePoolSpec struct {
 	// +optional
 	AdditionalSecurityGroups []string `json:"additionalSecurityGroups,omitempty"`
 
+	// VolumeSize set the disk volume size for the machine pool, in Gib. The default is 300 GiB.
+	// +kubebuilder:validation:Minimum=75
+	// +kubebuilder:validation:Maximum=16384
+	// +immutable
+	// +optional
+	VolumeSize int `json:"volumeSize,omitempty"`
+
 	// ProviderIDList contain a ProviderID for each machine instance that's currently managed by this machine pool.
 	// +optional
 	ProviderIDList []string `json:"providerIDList,omitempty"`

exp/controllers/rosamachinepool_controller.go

@@ -473,6 +473,9 @@ func nodePoolBuilder(rosaMachinePoolSpec expinfrav1.RosaMachinePoolSpec, machine
 	if rosaMachinePoolSpec.AdditionalTags != nil {
 		awsNodePool = awsNodePool.Tags(rosaMachinePoolSpec.AdditionalTags)
 	}
+	if rosaMachinePoolSpec.VolumeSize > 0 {
+		awsNodePool = awsNodePool.RootVolume(cmv1.NewAWSVolume().Size(rosaMachinePoolSpec.VolumeSize))
+	}
 	npBuilder.AWSNodePool(awsNodePool)
 
 	if rosaMachinePoolSpec.Version != "" {
@@ -513,6 +516,7 @@ func nodePoolToRosaMachinePoolSpec(nodePool *cmv1.NodePool) expinfrav1.RosaMachi
 		InstanceType:             nodePool.AWSNodePool().InstanceType(),
 		TuningConfigs:            nodePool.TuningConfigs(),
 		AdditionalSecurityGroups: nodePool.AWSNodePool().AdditionalSecurityGroupIds(),
+		VolumeSize:               nodePool.AWSNodePool().RootVolume().Size(),
 		// nodePool.AWSNodePool().Tags() returns all tags including "system" tags if "fetchUserTagsOnly" parameter is not specified.
 		// TODO: enable when AdditionalTags day2 changes is supported.
 		// AdditionalTags:           nodePool.AWSNodePool().Tags(),

exp/controllers/rosamachinepool_controller_test.go

@@ -24,6 +24,7 @@ func TestNodePoolToRosaMachinePoolSpec(t *testing.T) {
 		AutoRepair:    true,
 		InstanceType:  "m5.large",
 		TuningConfigs: []string{"config1"},
+		VolumeSize:    199,
 		NodeDrainGracePeriod: &metav1.Duration{
 			Duration: time.Minute * 10,
 		},