// GetBuilderImage processes the config and performs operations necessary to make
// the Docker image specified as BuilderImage available locally.
// It returns information about the base image, containing metadata necessary
// for choosing the right STI build strategy.
func GetBuilderImage(config *api.Config) (*docker.PullResult, error) {
d, err := docker.New(config.DockerConfig, config.PullAuthentication)
result := docker.PullResult{}
if err != nil {
return nil, err
}
var image *dockerclient.Image
if config.ForcePull {
image, err = d.PullImage(config.BuilderImage)
if err != nil {
glog.Warningf("An error occurred when pulling %s: %v. Attempting to use local image.", config.BuilderImage, err)
image, err = d.CheckImage(config.BuilderImage)
}
} else {
image, err = d.CheckAndPullImage(config.BuilderImage)
}
if err != nil {
return nil, err
}
result.Image = image
result.OnBuild = d.IsImageOnBuild(config.BuilderImage)
if err = checkAllowedUser(d, config, result.OnBuild); err != nil {
return nil, err
}
return &result, nil
}
// GetBuilderImage processes the config and performs operations necessary to make
// the Docker image specified as BuilderImage available locally.
// It returns information about the base image, containing metadata necessary
// for choosing the right STI build strategy.
func GetBuilderImage(config *api.Config) (*docker.PullResult, error) {
d, err := docker.New(config.DockerConfig, config.PullAuthentication)
result := docker.PullResult{}
if err != nil {
return nil, err
}
var image *dockerclient.Image
if config.ForcePull {
image, err = d.PullImage(config.BuilderImage)
} else {
image, err = d.CheckAndPull(config.BuilderImage)
}
if err != nil {
return nil, err
}
result.Image = image
result.OnBuild = d.IsImageOnBuild(config.BuilderImage)
return &result, nil
}