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moby--moby/image/image.go
Srini Brahmaroutu da0ca83377 Adding error codes to image package
Signed-off-by: Srini Brahmaroutu <srbrahma@us.ibm.com>
2015-09-23 17:03:37 +00:00

59 lines
1.9 KiB
Go

package image
import (
"encoding/json"
"regexp"
"time"
derr "github.com/docker/docker/errors"
"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 derr.ErrorCodeInvalidImageID.WithArgs(id)
}
return nil
}