Added thinProvisioned flag for data disks

Author: vr4manta

machine/v1beta1/types_vsphereprovider.go

@@ -198,8 +198,34 @@ type VSphereDisk struct {
 	// +kubebuilder:validation:Maximum=16384
 	// +required
 	SizeGiB int32 `json:"sizeGiB"`
+	// provisioningMode is an optional field that specifies the provisioning type to be used by this vSphere data disk.
+	// Allowed values are "Thin", "Thick", "EagerlyZeroed", and omitted.
+	// When set to Thin, the disk will be made using thin provisioning allocating the bare minimum space.
+	// When set to Thick, the full disk size will be allocated when disk is created.
+	// When set to EagerlyZeroed, the disk will be created using eager zero provisioning. An eager zeroed thick disk has all space allocated and wiped clean of any previous contents on the physical media at creation time. Such disks may take longer time during creation compared to other disk formats.
+	// When omitted, no setting will be applied to the data disk and the provisioning mode for the disk will be provided by the default storage policy.
+	// +optional
+	ProvisioningMode ProvisioningMode `json:"provisioningMode,omitempty"`
 }
 
+// provisioningMode represents the various provisioning types available to a VMs disk.
+// +kubebuilder:validation:Enum=Thin;Thick;EagerlyZeroed
+type ProvisioningMode string
+
+const (
+	// ProvisioningModeThin creates the disk using thin provisioning. This means a sparse (allocate on demand)
+	// format with additional space optimizations.
+	ProvisioningModeThin ProvisioningMode = "Thin"
+
+	// ProvisioningModeThick creates the disk with all space allocated.
+	ProvisioningModeThick ProvisioningMode = "Thick"
+
+	// ProvisioningModeEagerlyZeroed creates the disk using eager zero provisioning. An eager zeroed thick disk
+	// has all space allocated and wiped clean of any previous contents on the physical media at
+	// creation time. Such disks may take longer time during creation compared to other disk formats.
+	ProvisioningModeEagerlyZeroed ProvisioningMode = "EagerlyZeroed"
+)
+
 // WorkspaceConfig defines a workspace configuration for the vSphere cloud
 // provider.
 type Workspace struct {

machine/v1beta1/zz_generated.swagger_doc_generated.go

@@ -22524,6 +22524,10 @@
           "type": "string",
           "default": ""
         },
+        "provisioningMode": {
+          "description": "provisioningMode is an optional field that specifies the provisioning type to be used by this vSphere data disk. Allowed values are \"Thin\", \"Thick\", \"EagerlyZeroed\", and omitted. When set to Thin, the disk will be made using thin provisioning allocating the bare minimum space. When set to Thick, the full disk size will be allocated when disk is created. When set to EagerlyZeroed, the disk will be created using eager zero provisioning. An eager zeroed thick disk has all space allocated and wiped clean of any previous contents on the physical media at creation time. Such disks may take longer time during creation compared to other disk formats. When omitted, no setting will be applied to the data disk and the provisioning mode for the disk will be provided by the default storage policy.",
+          "type": "string"
+        },
         "sizeGiB": {
           "description": "sizeGiB is the size of the disk in GiB. The maximum supported size 16384 GiB.",
           "type": "integer",