util

func Docker ¶ added in v0.0.13

func Docker(stdout, stderr io.Writer, stdin io.Reader, args ...string) error

func DockerRun ¶ added in v0.0.13

func DockerRun(stdout, stderr io.Writer, stdin io.Reader, image string, runArgs, imageArgs []string) error

func ExecCmd ¶ added in v0.0.13

func ExecCmd(stdout, stderr io.Writer, stdin io.Reader, cmd string, args ...string) error

func ExecOutput ¶ added in v0.0.13

func ExecOutput(stdin io.Reader, cmd string, args ...string) (string, error)

func MarshalBytes ¶

func MarshalBytes(pb proto.Message) ([]byte, error)

func MarshalStruct ¶

func MarshalStruct(m proto.Message) (*structpb.Struct, error)

func RetryOn500 ¶ added in v0.0.15

func RetryOn500(retryable func() error) error

add some retry logic here as some registries can be flaky

func SplitImageRef ¶

func SplitImageRef(ref string) (string, string, error)

splits a ref into the repo and tag if tag is empty, returns "latest"

func Tar ¶

func Tar(src string, writers ...io.Writer) error

Tar takes a source and variable writers and walks 'source' writing each file found to the tar writer; the purpose for accepting multiple writers is to allow for multiple outputs (for example a file, or md5 hash)

func UnmarshalBytes ¶

func UnmarshalBytes(b []byte, pb proto.Message) error

func UnmarshalStruct ¶

func UnmarshalStruct(s *structpb.Struct, m proto.Message) error

func Untar ¶

func Untar(dst string, r io.Reader) error

Untar takes a destination path and a reader; a tar reader loops over the tarfile creating the file structure at 'dst' along the way, and writing any files