package image import ( "encoding/json" "fmt" "regexp" "time" "github.com/docker/docker/runconfig" ) var validHex = regexp.MustCompile(`^([a-f0-9]{64})$`) // Image stores the image configuration. type Image struct { // ID a unique 64 character identifier of the image ID string `json:"id"` // Parent id of the image Parent string `json:"parent,omitempty"` // Comment user added comment Comment string `json:"comment,omitempty"` // Created timestamp when image was created Created time.Time `json:"created"` // Container is the id of the container used to commit Container string `json:"container,omitempty"` // ContainerConfig is the configuration of the container that is committed into the image ContainerConfig runconfig.Config `json:"container_config,omitempty"` // DockerVersion specifies version on which image is built DockerVersion string `json:"docker_version,omitempty"` // Author of the image Author string `json:"author,omitempty"` // Config is the configuration of the container received from the client Config *runconfig.Config `json:"config,omitempty"` // Architecture is the hardware that the image is build and runs on Architecture string `json:"architecture,omitempty"` // OS is the operating system used to build and run the image OS string `json:"os,omitempty"` // Size is the total size of the image including all layers it is composed of Size int64 } // NewImgJSON creates an Image configuration from json. func NewImgJSON(src []byte) (*Image, error) { ret := &Image{} // FIXME: Is there a cleaner way to "purify" the input json? if err := json.Unmarshal(src, ret); err != nil { return nil, err } return ret, nil } // ValidateID checks whether an ID string is a valid image ID. func ValidateID(id string) error { if ok := validHex.MatchString(id); !ok { return fmt.Errorf("image ID '%s' is invalid", id) } return nil }