schema

type Extensions struct {
	// x-kubernetes-preserve-unknown-fields stops the API server
	// decoding step from pruning fields which are not specified
	// in the validation schema. This affects fields recursively,
	// but switches back to normal pruning behaviour if nested
	// properties or additionalProperties are specified in the schema.
	// False means that the pruning behaviour is inherited from the parent.
	// False does not mean to activate pruning.
	XPreserveUnknownFields bool

	// x-kubernetes-embedded-resource defines that the value is an
	// embedded Kubernetes runtime.Object, with TypeMeta and
	// ObjectMeta. The type must be object. It is allowed to further
	// restrict the embedded object. Both ObjectMeta and TypeMeta
	// are validated automatically. x-kubernetes-preserve-unknown-fields
	// must be true.
	XEmbeddedResource bool

	// x-kubernetes-int-or-string specifies that this value is
	// either an integer or a string. If this is true, an empty
	// type is allowed and type as child of anyOf is permitted
	// if following one of the following patterns:
	//
	// 1) anyOf:
	//    - type: integer
	//    - type: string
	// 2) allOf:
	//    - anyOf:
	//      - type: integer
	//      - type: string
	//    - ... zero or more
	XIntOrString bool

	// x-kubernetes-list-map-keys annotates lists with the x-kubernetes-list-type `map` by specifying the keys used
	// as the index of the map.
	//
	// This tag MUST only be used on lists that have the "x-kubernetes-list-type"
	// extension set to "map". Also, the values specified for this attribute must
	// be a scalar typed field of the child structure (no nesting is supported).
	XListMapKeys []string

	// x-kubernetes-list-type annotates a list to further describe its topology.
	// This extension must only be used on lists and may have 3 possible values:
	//
	// 1) `atomic`: the list is treated as a single entity, like a scalar.
	//      Atomic lists will be entirely replaced when updated. This extension
	//      may be used on any type of list (struct, scalar, ...).
	// 2) `set`:
	//      Sets are lists that must not have multiple items with the same value. Each
	//      value must be a scalar (or another atomic type).
	// 3) `map`:
	//      These lists are like maps in that their elements have a non-index key
	//      used to identify them. Order is preserved upon merge. The map tag
	//      must only be used on a list with elements of type object.
	XListType *string

	// x-kubernetes-map-type annotates an object to further describe its topology.
	// This extension must only be used when type is object and may have 2 possible values:
	//
	// 1) `granular`:
	//      These maps are actual maps (key-value pairs) and each fields are independent
	//      from each other (they can each be manipulated by separate actors). This is
	//      the default behaviour for all maps.
	// 2) `atomic`: the list is treated as a single entity, like a scalar.
	//      Atomic maps will be entirely replaced when updated.
	// +optional
	XMapType *string
}

type Generic struct {
	Description string
	// type specifies the type of a value.
	// It can be object, array, number, integer, boolean, string.
	// It is optional only if x-kubernetes-preserve-unknown-fields
	// or x-kubernetes-int-or-string is true.
	Type     string
	Title    string
	Default  JSON
	Nullable bool
}

type JSON struct {
	Object interface{}
}

type NestedValueValidation struct {
	ValueValidation
	ValidationExtensions

	Items                *NestedValueValidation
	Properties           map[string]NestedValueValidation
	AdditionalProperties *NestedValueValidation

	// Anything set in the following will make the scheme
	// non-structural, with the exception of these two patterns if
	// x-kubernetes-int-or-string is true:
	//
	// 1) anyOf:
	//    - type: integer
	//    - type: string
	// 2) allOf:
	//    - anyOf:
	//      - type: integer
	//      - type: string
	//    - ... zero or more
	ForbiddenGenerics   Generic
	ForbiddenExtensions Extensions
}

type Structural struct {
	Items                *Structural
	Properties           map[string]Structural
	AdditionalProperties *StructuralOrBool

	Generic
	Extensions
	ValidationExtensions

	ValueValidation *ValueValidation
}

type StructuralOrBool struct {
	Structural *Structural
	Bool       bool
}

type UnknownFieldPathOptions struct {
	// TrackUnknownFieldPaths determines whether or not unknown field
	// paths should be stored or not.
	TrackUnknownFieldPaths bool
	// ParentPath builds the path to unknown fields as the object
	// is recursively traversed.
	ParentPath []string
	// UnknownFieldPaths is the list of all unknown fields identified.
	UnknownFieldPaths []string
}

type ValidationExtensions struct {
	// x-kubernetes-validations describes a list of validation rules for expression validation.
	// Use the v1 struct since this gets serialized as an extension.
	XValidations apiextensionsv1.ValidationRules
}

type ValidationOptions struct {
	// AllowNestedAdditionalProperties allows additionalProperties to be specified in
	// nested contexts (allOf, anyOf, oneOf, not).
	AllowNestedAdditionalProperties bool

	// AllowNestedXValidations allows x-kubernetes-validations to be specified in
	// nested contexts (allOf, anyOf, oneOf, not).
	AllowNestedXValidations bool

	// AllowValidationPropertiesWithAdditionalProperties allows
	// value validations on specific properties that are structually
	// defined by additionalProperties. i.e. additionalProperties in main structural
	// schema, but properties within an allOf.
	AllowValidationPropertiesWithAdditionalProperties bool
}

type ValueValidation struct {
	Format           string
	Maximum          *float64
	ExclusiveMaximum bool
	Minimum          *float64
	ExclusiveMinimum bool
	MaxLength        *int64
	MinLength        *int64
	Pattern          string
	MaxItems         *int64
	MinItems         *int64
	UniqueItems      bool
	MultipleOf       *float64
	Enum             []JSON
	MaxProperties    *int64
	MinProperties    *int64
	Required         []string
	AllOf            []NestedValueValidation
	OneOf            []NestedValueValidation
	AnyOf            []NestedValueValidation
	Not              *NestedValueValidation
}

type Visitor struct {
	// Structural is called on each Structural node in the schema, before recursing into
	// the subtrees. It is allowed to mutate s. Return true if something has been changed.
	// +optional
	Structural func(s *Structural) bool
	// NestedValueValidation is called on each NestedValueValidation node in the schema,
	// before recursing into subtrees. It is allowed to mutate vv. Return true if something
	// has been changed.
	// +optional
	NestedValueValidation func(vv *NestedValueValidation) bool
}