executable

package

v0.0.0-...-307e663 Latest Latest Go to latest Published: Nov 21, 2019 License: MIT Imports: 8 Imported by: 0

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func CloseFile(c io.Closer)

CloseFile closes file and panics if close fails.

func PerformSwitch(src, dst string) error

PerformSwitch updates executable binary with new version from staging directory.

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

Executable is a structure representing an executable that may be updated.

func NewExecutable(path string, args ...string) (*Executable, error)

NewExecutable initializes an instance representing executable file.

func (e Executable) GetChecksum() ([]byte, error)

GetChecksum computes checksum for executable binary.

func (e Executable) GetModified() (time.Time, error)

GetModified retrieves file modification time from file system.

func (e Executable) Latest(dir string) (bool, error)

Latest checks whether Executable instance is running latest version of binary kept in staging directory.

func (e Executable) Path() string

func (e *Executable) Release() error

func (e *Executable) Start(stdout io.Writer, stderr io.Writer) error

Start initializes and starts new subprocess

func (e Executable) String() string

String returns an executable name

func (e Executable) Switch(dir string) error

Switch overwrites executable for staging dir with exponential back-off

func (e Executable) Terminate(tree bool) error

Terminate stops child process and waits for process exit

func (e Executable) Wait() (int, error)

Wait waits for child process exit and return exit code