// commitContainerToImage commits the container with the given containerID
// that is based on the given img into a new image. The given repo should also
// contain the namespace. Returns the id of the created image.
func commitContainerToImage(img, containerID, repo, tag, comment, author string) (string, error) {
client := getDockerClient()
// First of all, we inspect the parent image and fetch the values for the
// entrypoint and the cmd. We do this to preserve them on the committed
// image. See issue: https://github.com/SUSE/zypper-docker/issues/75.
info, _, err := client.ImageInspectWithRaw(img, false)
if err != nil {
return "", fmt.Errorf("could not inspect image '%s': %v", img, err)
}
changes := []string{
"ENTRYPOINT " + joinAsArray(info.Config.Entrypoint.Slice(), false),
"CMD " + joinAsArray(info.Config.Cmd.Slice(), true),
}
// And we commit into the new image.
resp, err := client.ContainerCommit(types.ContainerCommitOptions{
ContainerID: containerID,
RepositoryName: repo,
Tag: tag,
Comment: comment,
Author: author,
Changes: changes,
Config: &container.Config{},
})
return resp.ID, err
}
func (s *Service) imageExists() error {
client := s.context.ClientFactory.Create(s)
_, _, err := client.ImageInspectWithRaw(context.Background(), s.imageName(), false)
return err
}