// +optional
	ReadOnly bool
	// Optional: Extra driver options if any.
	// +optional
	Options map[string]string
}

// FlexVolumeSource represents a generic volume resource that is
// provisioned/attached using an exec based plugin.
type FlexVolumeSource struct {
	// Driver is the name of the driver to use for this volume.
	Driver string
	// Filesystem type to mount.

	testcases := map[string]struct {
		source       *core.FlexVolumeSource
		expectedErrs map[string]string
	}{
		"valid": {
			source:       &core.FlexVolumeSource{Driver: "foo"},
			expectedErrs: map[string]string{},
		},
		"valid with options": {
			source:       &core.FlexVolumeSource{Driver: "foo", Options: map[string]string{"foo": "bar"}},
			expectedErrs: map[string]string{},

          "items": {
            "type": "string"
          },
          "type": "array"
        }
      },
      "type": "object"
    },
    "io.k8s.api.core.v1.FlexVolumeSource": {
      "description": "FlexVolume represents a generic volume resource that is provisioned/attached using an exec based plugin.",
      "properties": {
        "driver": {

  // +optional
  map<string, string> options = 5;
}

// FlexVolume represents a generic volume resource that is
// provisioned/attached using an exec based plugin.
message FlexVolumeSource {
  // driver is the name of the driver to use for this volume.
  optional string driver = 1;

  // fsType is the filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.

  // +optional
  map<string, string> options = 5;
}

// FlexVolume represents a generic volume resource that is
// provisioned/attached using an exec based plugin.
message FlexVolumeSource {
  // driver is the name of the driver to use for this volume.
  optional string driver = 1;

  // fsType is the filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.

	RBD *RBDVolumeSource `json:"rbd,omitempty" protobuf:"bytes,11,opt,name=rbd"`
	// flexVolume represents a generic volume resource that is
	// provisioned/attached using an exec based plugin.
	// +optional
	FlexVolume *FlexVolumeSource `json:"flexVolume,omitempty" protobuf:"bytes,12,opt,name=flexVolume"`
	// cinder represents a cinder volume attached and mounted on kubelets host machine.
	// More info: https://examples.k8s.io/mysql-cinder-pd/README.md

            },
            "type": "array",
            "x-kubernetes-list-type": "atomic"
          }
        },
        "type": "object"
      },
      "io.k8s.api.core.v1.FlexVolumeSource": {
        "description": "FlexVolume represents a generic volume resource that is provisioned/attached using an exec based plugin.",
        "properties": {
          "driver": {
            "default": "",

	"options":   "options is Optional: this field holds extra command options if any.",
}

func (FlexVolumeSource) SwaggerDoc() map[string]string {
	return map_FlexVolumeSource
}

var map_FlockerVolumeSource = map[string]string{

	allErrs := field.ErrorList{}
	if len(cephfs.Monitors) == 0 {
		allErrs = append(allErrs, field.Required(fldPath.Child("monitors"), ""))
	}
	return allErrs
}

func validateFlexVolumeSource(fv *core.FlexVolumeSource, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	if len(fv.Driver) == 0 {
		allErrs = append(allErrs, field.Required(fldPath.Child("driver"), ""))
	}

            },
            "type": "array",
            "x-kubernetes-list-type": "atomic"
          }
        },
        "type": "object"
      },
      "io.k8s.api.core.v1.FlexVolumeSource": {
        "description": "FlexVolume represents a generic volume resource that is provisioned/attached using an exec based plugin.",
        "properties": {
          "driver": {
            "default": "",