docker

func ContainerCmder ¶

func ContainerCmder(containerNameOrID string) exec.Cmder

ContainerCmder creates a new exec.Cmder against a docker container

func GetArchiveTags ¶

func GetArchiveTags(path string) ([]string, error)

GetArchiveTags obtains a list of "repo:tag" docker image tags from a given docker image archive (tarball) path compatible with all known specs: https://github.com/moby/moby/blob/master/image/spec/v1.md https://github.com/moby/moby/blob/master/image/spec/v1.1.md https://github.com/moby/moby/blob/master/image/spec/v1.2.md

func ImageID ¶

func ImageID(containerNameOrID string) (string, error)

ImageID return the Id of the container image

func ImageInspect ¶

func ImageInspect(containerNameOrID, format string) ([]string, error)

ImageInspect return low-level information on containers images

func Pull ¶

func Pull(logger log.Logger, image string, platform string, retries int) error

Pull pulls an image, retrying up to retries times

func Run ¶

func Run(image string, runArgs []string, containerArgs []string) error

Run creates a container with "docker run", with some error handling

func Save ¶

func Save(image, dest string) error

Save saves image to dest, as in `docker save`

func SplitImage ¶

func SplitImage(image string) (registry, tag string, err error)

SplitImage splits an image into (registry,tag) following these cases:

alpine -> (alpine, latest)

alpine:latest -> (alpine, latest)

alpine@sha256:28ef97b8686a0b5399129e9b763d5b7e5ff03576aa5580d6f4182a49c5fe1913 -> (alpine, latest@sha256:28ef97b8686a0b5399129e9b763d5b7e5ff03576aa5580d6f4182a49c5fe1913)

alpine:latest@sha256:28ef97b8686a0b5399129e9b763d5b7e5ff03576aa5580d6f4182a49c5fe1913 -> (alpine, latest@sha256:28ef97b8686a0b5399129e9b763d5b7e5ff03576aa5580d6f4182a49c5fe1913)

NOTE: for our purposes we consider the sha to be part of the tag, and we resolve the implicit :latest