safe

Documentation

Overview

Package safe provides a safe wrappers around the cosi runtime.

Index

• func ReaderGet[T resource.Resource](ctx context.Context, rdr controller.Reader, ptr resource.Pointer) (T, error)
• func ReaderWatchFor[T resource.Resource](ctx context.Context, rdr controller.Reader, ptr resource.Pointer, ...) (T, error)
• func ReaderWatchForResource[T resource.Resource](ctx context.Context, rdr controller.Reader, r T, ...) (T, error)
• func StateGet[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, ...) (T, error)
• func StateGetResource[T resource.Resource](ctx context.Context, st state.State, r T, options ...state.GetOption) (T, error)
• func StateUpdateWithConflicts[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, ...) (T, error)
• func StateWatch[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, ...) error
• func StateWatchFor[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, ...) (T, error)
• func StateWatchKind[T resource.Resource](ctx context.Context, st state.State, kind resource.Kind, ...) error
• func WriterModify[T resource.Resource](ctx context.Context, writer controller.Writer, r T, fn func(T) error) error
• type List
  • func NewList[T any](list resource.List) List[T]
  • func ReaderList[T resource.Resource](ctx context.Context, rdr controller.Reader, kind resource.Kind, ...) (List[T], error)
  • func StateList[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, ...) (List[T], error)
  • func (l *List[T]) Get(index int) T
  • func (l *List[T]) Len() int
• type ListIterator
  • func IteratorFromList[T any](list List[T]) ListIterator[T]
  • func (it *ListIterator[T]) Next() bool
  • func (it *ListIterator[T]) Value() T
• type WrappedStateEvent
  • func (wse *WrappedStateEvent[T]) Old() (T, error)
  • func (wse *WrappedStateEvent[T]) Resource() (T, error)
  • func (wse *WrappedStateEvent[T]) Type() state.EventType

Functions

func ReaderGet

func ReaderGet[T resource.Resource](ctx context.Context, rdr controller.Reader, ptr resource.Pointer) (T, error)

ReaderGet is a type safe wrapper around reader.Get.

func ReaderWatchFor

func ReaderWatchFor[T resource.Resource](ctx context.Context, rdr controller.Reader, ptr resource.Pointer, conds ...state.WatchForConditionFunc) (T, error)

ReaderWatchFor is a type safe wrapper around Reader.WatchFor.

func ReaderWatchForResource

func ReaderWatchForResource[T resource.Resource](ctx context.Context, rdr controller.Reader, r T, conds ...state.WatchForConditionFunc) (T, error)

ReaderWatchForResource is a type safe wrapper around Reader.WatchFor which accepts typed resource.Resource and gets the metadata from it.

func StateGet

func StateGet[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, options ...state.GetOption) (T, error)

StateGet is a type safe wrapper around state.Get.

func StateGetResource

func StateGetResource[T resource.Resource](ctx context.Context, st state.State, r T, options ...state.GetOption) (T, error)

StateGetResource is a type safe wrapper around state.Get which accepts typed resource.Resource and gets the metadata from it.

func StateUpdateWithConflicts

func StateUpdateWithConflicts[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, updateFn func(T) error, options ...state.UpdateOption) (T, error)

StateUpdateWithConflicts is a type safe wrapper around state.UpdateWithConflicts.

func StateWatch

func StateWatch[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, eventCh chan<- WrappedStateEvent[T], opts ...state.WatchOption) error

StateWatch is a type safe wrapper around State.Watch.

func StateWatchFor

func StateWatchFor[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, opts ...state.WatchForConditionFunc) (T, error)

StateWatchFor is a type safe wrapper around State.WatchFor.

func StateWatchKind

func StateWatchKind[T resource.Resource](ctx context.Context, st state.State, kind resource.Kind, eventCh chan<- WrappedStateEvent[T], opts ...state.WatchKindOption) error

StateWatchKind is a type safe wrapper around State.WatchKind.

func WriterModify

func WriterModify[T resource.Resource](ctx context.Context, writer controller.Writer, r T, fn func(T) error) error

WriterModify is a type safe wrapper around writer.Modify.

Types

type List

type List[T any] struct {
	// contains filtered or unexported fields
}

List is a type safe wrapper around resource.List.

func NewList

func NewList[T any](list resource.List) List[T]

NewList creates a new List.

func ReaderList

func ReaderList[T resource.Resource](ctx context.Context, rdr controller.Reader, kind resource.Kind, opts ...state.ListOption) (List[T], error)

ReaderList is a type safe wrapper around Reader.List.

func StateList

func StateList[T resource.Resource](ctx context.Context, st state.State, ptr resource.Pointer, options ...state.ListOption) (List[T], error)

StateList is a type safe wrapper around state.List.

func (*List[T]) Get

func (l *List[T]) Get(index int) T

Get returns the item at the given index.

func (*List[T]) Len

func (l *List[T]) Len() int

Len returns the number of items in the list.

type ListIterator

type ListIterator[T any] struct {
	// contains filtered or unexported fields
}

ListIterator is a generic iterator over resource.Resource slice.

func IteratorFromList

func IteratorFromList[T any](list List[T]) ListIterator[T]

IteratorFromList returns a new iterator over the given list.

func (*ListIterator[T]) Next

func (it *ListIterator[T]) Next() bool

Next returns the next element of the iterator.

func (*ListIterator[T]) Value

func (it *ListIterator[T]) Value() T

Value returns the current element of the iterator.

type WrappedStateEvent

type WrappedStateEvent[T resource.Resource] struct {
	// contains filtered or unexported fields
}

WrappedStateEvent holds a state.Event that can be cast to its original Resource type when accessed with Event().

func (*WrappedStateEvent[T]) Old

func (wse *WrappedStateEvent[T]) Old() (T, error)

Old returns the typed Old resource of the wrapped event.

func (*WrappedStateEvent[T]) Resource

func (wse *WrappedStateEvent[T]) Resource() (T, error)

Resource returns the typed resource of the wrapped event.

func (*WrappedStateEvent[T]) Type

func (wse *WrappedStateEvent[T]) Type() state.EventType

Type returns the EventType of the wrapped event.