forked from vmware-archive/atc
/
image_factory.go
62 lines (50 loc) · 1.39 KB
/
image_factory.go
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package worker
import (
"context"
"io"
"io/ioutil"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc"
"github.com/concourse/atc/creds"
"github.com/concourse/atc/db"
)
//go:generate counterfeiter . ImageFactory
type ImageFactory interface {
GetImage(
logger lager.Logger,
workerClient Worker,
volumeClient VolumeClient,
imageSpec ImageSpec,
teamID int,
delegate ImageFetchingDelegate,
resourceTypes creds.VersionedResourceTypes,
) (Image, error)
}
type FetchedImage struct {
Metadata ImageMetadata
Version atc.Version
URL string
Privileged bool
}
//go:generate counterfeiter . Image
type Image interface {
FetchForContainer(
ctx context.Context,
logger lager.Logger,
container db.CreatingContainer,
) (FetchedImage, error)
}
//go:generate counterfeiter . ImageFetchingDelegate
type ImageFetchingDelegate interface {
Stdout() io.Writer
Stderr() io.Writer
ImageVersionDetermined(*db.UsedResourceCache) error
}
type ImageMetadata struct {
Env []string `json:"env"`
User string `json:"user"`
}
type NoopImageFetchingDelegate struct{}
func (NoopImageFetchingDelegate) Stdout() io.Writer { return ioutil.Discard }
func (NoopImageFetchingDelegate) Stderr() io.Writer { return ioutil.Discard }
func (NoopImageFetchingDelegate) ImageVersionDetermined(*db.UsedResourceCache) error { return nil }