github.com/mheon/docker@v0.11.2-0.20150922122814-44f47903a831/image/image.go (about) 1 package image 2 3 import ( 4 "encoding/json" 5 "fmt" 6 "regexp" 7 "time" 8 9 "github.com/docker/docker/runconfig" 10 ) 11 12 var validHex = regexp.MustCompile(`^([a-f0-9]{64})$`) 13 14 // Image stores the image configuration. 15 type Image struct { 16 // ID a unique 64 character identifier of the image 17 ID string `json:"id"` 18 // Parent id of the image 19 Parent string `json:"parent,omitempty"` 20 // Comment user added comment 21 Comment string `json:"comment,omitempty"` 22 // Created timestamp when image was created 23 Created time.Time `json:"created"` 24 // Container is the id of the container used to commit 25 Container string `json:"container,omitempty"` 26 // ContainerConfig is the configuration of the container that is committed into the image 27 ContainerConfig runconfig.Config `json:"container_config,omitempty"` 28 // DockerVersion specifies version on which image is built 29 DockerVersion string `json:"docker_version,omitempty"` 30 // Author of the image 31 Author string `json:"author,omitempty"` 32 // Config is the configuration of the container received from the client 33 Config *runconfig.Config `json:"config,omitempty"` 34 // Architecture is the hardware that the image is build and runs on 35 Architecture string `json:"architecture,omitempty"` 36 // OS is the operating system used to build and run the image 37 OS string `json:"os,omitempty"` 38 // Size is the total size of the image including all layers it is composed of 39 Size int64 40 } 41 42 // NewImgJSON creates an Image configuration from json. 43 func NewImgJSON(src []byte) (*Image, error) { 44 ret := &Image{} 45 46 // FIXME: Is there a cleaner way to "purify" the input json? 47 if err := json.Unmarshal(src, ret); err != nil { 48 return nil, err 49 } 50 return ret, nil 51 } 52 53 // ValidateID checks whether an ID string is a valid image ID. 54 func ValidateID(id string) error { 55 if ok := validHex.MatchString(id); !ok { 56 return fmt.Errorf("image ID '%s' is invalid", id) 57 } 58 return nil 59 }