get

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 Go to latest Published: Mar 1, 2023 License: Apache-2.0 Imports: 45 Imported by: 98

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Constants

This section is empty.

Variables

This section is empty.

Functions

func NewCmdGet 

func NewCmdGet(parent string, f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command

NewCmdGet creates a command object for the generic "get" action, which retrieves one or more resources from a server.

func RelaxedJSONPathExpression 

func RelaxedJSONPathExpression(pathExpression string) (string, error)

RelaxedJSONPathExpression attempts to be flexible with JSONPath expressions, it accepts:

  • metadata.name (no leading '.' or curly braces '{...}'
  • {metadata.name} (no leading '.')
  • .metadata.name (no curly braces '{...}')
  • {.metadata.name} (complete expression)

And transforms them all into a valid jsonpath expression: 

{.metadata.name}

Types

type Column 

type Column struct {
	// The header to print above the column, general style is ALL_CAPS
	Header string
	// The pointer to the field in the object to print in JSONPath form
	// e.g. {.ObjectMeta.Name}, see pkg/util/jsonpath for more details.
	FieldSpec string
}

Column represents a user specified column

type CustomColumnsPrintFlags 

type CustomColumnsPrintFlags struct {
	NoHeaders        bool
	TemplateArgument string
}

CustomColumnsPrintFlags provides default flags necessary for printing custom resource columns from an inline-template or file.

func NewCustomColumnsPrintFlags 

func NewCustomColumnsPrintFlags() *CustomColumnsPrintFlags

NewCustomColumnsPrintFlags returns flags associated with custom-column printing, with default values set. NoHeaders and TemplateArgument should be set by callers.

func (*CustomColumnsPrintFlags) AddFlags 

func (f *CustomColumnsPrintFlags) AddFlags(c *cobra.Command)

AddFlags receives a *cobra.Command reference and binds flags related to custom-columns printing

func (*CustomColumnsPrintFlags) AllowedFormats 

func (f *CustomColumnsPrintFlags) AllowedFormats() []string

func (*CustomColumnsPrintFlags) ToPrinter 

func (f *CustomColumnsPrintFlags) ToPrinter(templateFormat string) (printers.ResourcePrinter, error)

ToPrinter receives an templateFormat and returns a printer capable of handling custom-column printing. Returns false if the specified templateFormat does not match a supported format. Supported format types can be found in pkg/printers/printers.go

type CustomColumnsPrinter 

type CustomColumnsPrinter struct {
	Columns   []Column
	Decoder   runtime.Decoder
	NoHeaders bool
	// contains filtered or unexported fields
}

CustomColumnPrinter is a printer that knows how to print arbitrary columns of data from templates specified in the `Columns` array

func NewCustomColumnsPrinterFromSpec 

func NewCustomColumnsPrinterFromSpec(spec string, decoder runtime.Decoder, noHeaders bool) (*CustomColumnsPrinter, error)

NewCustomColumnsPrinterFromSpec creates a custom columns printer from a comma separated list of <header>:<jsonpath-field-spec> pairs. e.g. NAME:metadata.name,API_VERSION:apiVersion creates a printer that prints: 

NAME               API_VERSION
foo                bar

func NewCustomColumnsPrinterFromTemplate 

func NewCustomColumnsPrinterFromTemplate(templateReader io.Reader, decoder runtime.Decoder) (*CustomColumnsPrinter, error)

NewCustomColumnsPrinterFromTemplate creates a custom columns printer from a template stream. The template is expected to consist of two lines, whitespace separated. The first line is the header line, the second line is the jsonpath field spec For example, the template below: NAME API_VERSION {metadata.name} {apiVersion}

func (*CustomColumnsPrinter) PrintObj 

func (s *CustomColumnsPrinter) PrintObj(obj runtime.Object, out io.Writer) error

type GetOptions 

type GetOptions struct {
	PrintFlags             *PrintFlags
	ToPrinter              func(*meta.RESTMapping, *bool, bool, bool) (printers.ResourcePrinterFunc, error)
	IsHumanReadablePrinter bool
	PrintWithOpenAPICols   bool

	CmdParent string

	resource.FilenameOptions

	Raw       string
	Watch     bool
	WatchOnly bool
	ChunkSize int64

	OutputWatchEvents bool

	LabelSelector     string
	FieldSelector     string
	AllNamespaces     bool
	Namespace         string
	ExplicitNamespace bool
	Subresource       string

	ServerPrint bool

	NoHeaders      bool
	Sort           bool
	IgnoreNotFound bool

	genericclioptions.IOStreams
}

GetOptions contains the input to the get command.

func NewGetOptions 

func NewGetOptions(parent string, streams genericclioptions.IOStreams) *GetOptions

NewGetOptions returns a GetOptions with default chunk size 500.

func (*GetOptions) Complete 

func (o *GetOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error

Complete takes the command arguments and factory and infers any remaining options.

func (*GetOptions) Run 

func (o *GetOptions) Run(f cmdutil.Factory, cmd *cobra.Command, args []string) error

Run performs the get operation. TODO: remove the need to pass these arguments, like other commands.

func (*GetOptions) Validate 

func (o *GetOptions) Validate() error

Validate checks the set of flags provided by the user.

type HumanPrintFlags 

type HumanPrintFlags struct {
	ShowKind     *bool
	ShowLabels   *bool
	SortBy       *string
	ColumnLabels *[]string

	// get.go-specific values
	NoHeaders bool

	Kind          schema.GroupKind
	WithNamespace bool
}

HumanPrintFlags provides default flags necessary for printing. Given the following flag values, a printer can be requested that knows how to handle printing based on these values.

func NewHumanPrintFlags 

func NewHumanPrintFlags() *HumanPrintFlags

NewHumanPrintFlags returns flags associated with human-readable printing, with default values set.

func (*HumanPrintFlags) AddFlags 

func (f *HumanPrintFlags) AddFlags(c *cobra.Command)

AddFlags receives a *cobra.Command reference and binds flags related to human-readable printing to it

func (*HumanPrintFlags) AllowedFormats 

func (f *HumanPrintFlags) AllowedFormats() []string

AllowedFormats returns more customized formating options

func (*HumanPrintFlags) EnsureWithKind 

func (f *HumanPrintFlags) EnsureWithKind() error

EnsureWithKind sets the "Showkind" humanreadable option to true.

func (*HumanPrintFlags) EnsureWithNamespace 

func (f *HumanPrintFlags) EnsureWithNamespace() error

EnsureWithNamespace sets the "WithNamespace" humanreadable option to true.

func (*HumanPrintFlags) SetKind 

func (f *HumanPrintFlags) SetKind(kind schema.GroupKind)

SetKind sets the Kind option

func (*HumanPrintFlags) ToPrinter 

func (f *HumanPrintFlags) ToPrinter(outputFormat string) (printers.ResourcePrinter, error)

ToPrinter receives an outputFormat and returns a printer capable of handling human-readable output.

type NopPositioner 

type NopPositioner struct{}

NopPositioner and OriginalPositioner is required for swap/sort operations of data in table format

func (*NopPositioner) OriginalPosition 

func (t *NopPositioner) OriginalPosition(ix int) int

OriginalPosition returns the original position from NopPositioner object

type OriginalPositioner 

type OriginalPositioner interface {
	OriginalPosition(int) int
}

OriginalPositioner and NopPositioner is required for swap/sort operations of data in table format

type PrintFlags 

type PrintFlags struct {
	JSONYamlPrintFlags *genericclioptions.JSONYamlPrintFlags
	NamePrintFlags     *genericclioptions.NamePrintFlags
	CustomColumnsFlags *CustomColumnsPrintFlags
	HumanReadableFlags *HumanPrintFlags
	TemplateFlags      *genericclioptions.KubeTemplatePrintFlags

	NoHeaders    *bool
	OutputFormat *string
}

PrintFlags composes common printer flag structs used in the Get command.

func NewGetPrintFlags 

func NewGetPrintFlags() *PrintFlags

NewGetPrintFlags returns flags associated with humanreadable, template, and "name" printing, with default values set.

func (*PrintFlags) AddFlags 

func (f *PrintFlags) AddFlags(cmd *cobra.Command)

AddFlags receives a *cobra.Command reference and binds flags related to humanreadable and template printing.

func (*PrintFlags) AllowedFormats 

func (f *PrintFlags) AllowedFormats() []string

AllowedFormats is the list of formats in which data can be displayed

func (*PrintFlags) Copy 

func (f *PrintFlags) Copy() PrintFlags

Copy returns a copy of PrintFlags for mutation

func (*PrintFlags) EnsureWithKind 

func (f *PrintFlags) EnsureWithKind() error

EnsureWithKind ensures that humanreadable flags return a printer capable of including resource kinds.

func (*PrintFlags) EnsureWithNamespace 

func (f *PrintFlags) EnsureWithNamespace() error

EnsureWithNamespace ensures that humanreadable flags return a printer capable of printing with a "namespace" column.

func (*PrintFlags) SetKind 

func (f *PrintFlags) SetKind(kind schema.GroupKind)

SetKind sets the Kind option of humanreadable flags

func (*PrintFlags) ToPrinter 

func (f *PrintFlags) ToPrinter() (printers.ResourcePrinter, error)

ToPrinter attempts to find a composed set of PrintFlags suitable for returning a printer based on current flag values.

func (*PrintFlags) UseOpenAPIColumns 

func (f *PrintFlags) UseOpenAPIColumns(api openapi.Resources, mapping *meta.RESTMapping) error

UseOpenAPIColumns modifies the output format, as well as the "allowMissingKeys" option for template printers, to values defined in the OpenAPI schema of a resource.

type RuntimeSort 

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

RuntimeSort is an implementation of the golang sort interface that knows how to sort lists of runtime.Object

func NewRuntimeSort 

func NewRuntimeSort(field string, objs []runtime.Object) *RuntimeSort

NewRuntimeSort creates a new RuntimeSort struct that implements golang sort interface

func SortObjects 

func SortObjects(decoder runtime.Decoder, objs []runtime.Object, fieldInput string) (*RuntimeSort, error)

SortObjects sorts the runtime.Object based on fieldInput and returns RuntimeSort that implements the golang sort interface

func (*RuntimeSort) Len 

func (r *RuntimeSort) Len() int

func (*RuntimeSort) Less 

func (r *RuntimeSort) Less(i, j int) bool

func (*RuntimeSort) OriginalPosition 

func (r *RuntimeSort) OriginalPosition(ix int) int

OriginalPosition returns the starting (original) position of a particular index. e.g. If OriginalPosition(0) returns 5 than the the item currently at position 0 was at position 5 in the original unsorted array.

func (*RuntimeSort) Swap 

func (r *RuntimeSort) Swap(i, j int)

type RuntimeSorter 

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

RuntimeSorter holds the required objects to perform sorting of runtime objects

func NewRuntimeSorter 

func NewRuntimeSorter(objects []runtime.Object, sortBy string) *RuntimeSorter

NewRuntimeSorter returns a new instance of RuntimeSorter

func (*RuntimeSorter) OriginalPosition 

func (r *RuntimeSorter) OriginalPosition(ix int) int

OriginalPosition returns the original position of a runtime object

func (*RuntimeSorter) Sort 

func (r *RuntimeSorter) Sort() error

Sort performs the sorting of runtime objects

func (*RuntimeSorter) WithDecoder 

func (r *RuntimeSorter) WithDecoder(decoder runtime.Decoder) *RuntimeSorter

WithDecoder allows custom decoder to be set for testing

type SortingPrinter 

type SortingPrinter struct {
	SortField string
	Delegate  printers.ResourcePrinter
	Decoder   runtime.Decoder
}

SortingPrinter sorts list types before delegating to another printer. Non-list types are simply passed through

func (*SortingPrinter) PrintObj 

func (s *SortingPrinter) PrintObj(obj runtime.Object, out io.Writer) error

type TablePrinter 

type TablePrinter struct {
	Delegate printers.ResourcePrinter
}

TablePrinter decodes table objects into typed objects before delegating to another printer. Non-table types are simply passed through

func (*TablePrinter) PrintObj 

func (t *TablePrinter) PrintObj(obj runtime.Object, writer io.Writer) error

type TableSorter 

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

func NewTableSorter 

func NewTableSorter(table *metav1.Table, field string) (*TableSorter, error)

func (*TableSorter) Len 

func (t *TableSorter) Len() int

func (*TableSorter) Less 

func (t *TableSorter) Less(i, j int) bool

func (*TableSorter) Sort 

func (t *TableSorter) Sort() error

func (*TableSorter) Swap 

func (t *TableSorter) Swap(i, j int)

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