printers

package
Version: v1.22.2 Latest Latest
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Published: Sep 15, 2021 License: Apache-2.0 Imports: 7 Imported by: 723

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Functions

func ValidateRowPrintHandlerFunc added in v1.7.0

func ValidateRowPrintHandlerFunc(printFunc reflect.Value) error

ValidateRowPrintHandlerFunc validates print handler signature. printFunc is the function that will be called to print an object. It must be of the following type:

func printFunc(object ObjectType, options GenerateOptions) ([]metav1.TableRow, error)

where ObjectType is the type of the object that will be printed, and the first return value is an array of rows, with each row containing a number of cells that match the number of columns defined for that printer function.

Types

type GenerateOptions added in v1.16.0

type GenerateOptions struct {
	NoHeaders bool
	Wide      bool
}

GenerateOptions encapsulates attributes for table generation.

type HumanReadableGenerator added in v1.16.0

type HumanReadableGenerator struct {
	// contains filtered or unexported fields
}

HumanReadableGenerator is an implementation of TableGenerator used to generate a table for a specific resource. The table is printed with a TablePrinter using PrintObj().

func NewTableGenerator added in v1.15.0

func NewTableGenerator() *HumanReadableGenerator

NewTableGenerator creates a HumanReadableGenerator suitable for calling GenerateTable().

func (*HumanReadableGenerator) GenerateTable added in v1.16.0

func (h *HumanReadableGenerator) GenerateTable(obj runtime.Object, options GenerateOptions) (*metav1.Table, error)

GenerateTable returns a table for the provided object, using the printer registered for that type. It returns a table that includes all of the information requested by options, but will not remove rows or columns. The caller is responsible for applying rules related to filtering rows or columns.

func (*HumanReadableGenerator) TableHandler added in v1.16.0

func (h *HumanReadableGenerator) TableHandler(columnDefinitions []metav1.TableColumnDefinition, printFunc interface{}) error

TableHandler adds a print handler with a given set of columns to HumanReadableGenerator instance. See ValidateRowPrintHandlerFunc for required method signature.

func (*HumanReadableGenerator) With added in v1.16.0

With method - accepts a list of builder functions that modify HumanReadableGenerator

type PrintHandler added in v1.7.0

type PrintHandler interface {
	TableHandler(columns []metav1.TableColumnDefinition, printFunc interface{}) error
}

PrintHandler - interface to handle printing provided an array of metav1.TableColumnDefinition

type ResourcePrinter

type ResourcePrinter interface {
	// Print receives a runtime object, formats it and prints it to a writer.
	PrintObj(runtime.Object, io.Writer) error
}

ResourcePrinter is an interface that knows how to print runtime objects.

type ResourcePrinterFunc

type ResourcePrinterFunc func(runtime.Object, io.Writer) error

ResourcePrinterFunc is a function that can print objects

func (ResourcePrinterFunc) PrintObj

func (fn ResourcePrinterFunc) PrintObj(obj runtime.Object, w io.Writer) error

PrintObj implements ResourcePrinter

type TableGenerator added in v1.15.0

type TableGenerator interface {
	GenerateTable(obj runtime.Object, options GenerateOptions) (*metav1.Table, error)
}

TableGenerator - an interface for generating metav1.Table provided a runtime.Object

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