forked from LaconicNetwork/kompose
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
package docker
|
|
|
|
import (
|
|
"path"
|
|
|
|
dockerparser "github.com/novln/docker-parser"
|
|
)
|
|
|
|
// Image contains the basic information parsed from full image name
|
|
// see github.com/novln/docker-parser Reference
|
|
type Image struct {
|
|
Name string // the image's name (ie: debian[:8.2])
|
|
ShortName string // the image's name (ie: debian)
|
|
Tag string // the image's tag (or digest)
|
|
Registry string // the image's registry. (ie: host[:port])
|
|
Repository string // the image's repository. (ie: registry/name)
|
|
Remote string // the image's remote identifier. (ie: registry/name[:tag])
|
|
}
|
|
|
|
func NewImageFromParsed(parsed *dockerparser.Reference) Image {
|
|
return Image{
|
|
Name: parsed.Name(),
|
|
ShortName: parsed.ShortName(),
|
|
Tag: parsed.Tag(),
|
|
Registry: parsed.Registry(),
|
|
Repository: parsed.Repository(),
|
|
Remote: parsed.Remote(),
|
|
}
|
|
}
|
|
|
|
// ParseImage Using https://github.com/novln/docker-parser in order to parse the appropriate name and registry.
|
|
// 1. Return default registry when the registry is not specified from image
|
|
// 2. Return target registry when the registry is specified from command line
|
|
func ParseImage(fullImageName string, targetRegistry string) (Image, error) {
|
|
var image Image
|
|
|
|
// First parse to fill default fields for image
|
|
// See github.com/novln/docker-parser/docker/reference.go
|
|
parsedImage, err := dockerparser.Parse(fullImageName)
|
|
|
|
if err != nil {
|
|
return image, err
|
|
}
|
|
|
|
// Registry from command argument is high priority than parsed from name of image.
|
|
if targetRegistry != "" {
|
|
// Parse again for validating registry
|
|
fullImageName = path.Join(targetRegistry, parsedImage.Name())
|
|
parsedImage, err = dockerparser.Parse(fullImageName)
|
|
if err != nil {
|
|
return image, err
|
|
}
|
|
}
|
|
|
|
image = NewImageFromParsed(parsedImage)
|
|
|
|
return image, nil
|
|
}
|