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image_factory.go
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/
image_factory.go
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package worker
import (
"io"
"io/ioutil"
"os"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc"
)
//go:generate counterfeiter . ImageFactory
type ImageFactory interface {
NewImage(
logger lager.Logger,
cancel <-chan os.Signal,
imageResource atc.ImageResource,
id Identifier,
metadata Metadata,
tags atc.Tags,
teamID int,
resourceTypes atc.ResourceTypes,
workerClient Client,
delegate ImageFetchingDelegate,
privileged bool,
) Image
}
//go:generate counterfeiter . Image
type Image interface {
Fetch() (Volume, io.ReadCloser, atc.Version, error)
}
//go:generate counterfeiter . ImageFetchingDelegate
type ImageFetchingDelegate interface {
Stderr() io.Writer
ImageVersionDetermined(VolumeIdentifier) error
}
type ImageMetadata struct {
Env []string `json:"env"`
User string `json:"user"`
}
type NoopImageFetchingDelegate struct{}
func (NoopImageFetchingDelegate) Stderr() io.Writer { return ioutil.Discard }
func (NoopImageFetchingDelegate) ImageVersionDetermined(VolumeIdentifier) error { return nil }