exec

package
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 Go to latest Published: Mar 4, 2020 License: Apache-2.0 Imports: 5 Imported by: 8

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Variables

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Functions

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Types

type Command 

type Command struct {
	Cmd   string
	Args  []string
	Stdin io.Reader
}

Command wraps exec.Command with specific functionality. This differentiates itself from the standard library by always collecting stdout and stderr. Command improves the UX of exec.Command for our specific use case.

func NewCommand 

func NewCommand(opts ...Option) *Command

NewCommand returns a configured Command.

func (*Command) Run 

func (c *Command) Run(ctx context.Context) ([]byte, []byte, error)

Run executes the command and returns stdout, stderr and the error if there is any.

type Option 

type Option func(*Command)

Option is a functional option type that modifies a Command.

func WithArgs 

func WithArgs(args ...string) Option

WithArgs sets the arguments for the command such as `get pods -n kube-system` to the command `kubectl`.

func WithCommand 

func WithCommand(command string) Option

WithCommand defines the command to run such as `kubectl` or `kind`.

func WithStdin 

func WithStdin(stdin io.Reader) Option

WithStdin sets up the command to read from this io.Reader.

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