image_docker.go

//
// Copyright (c) 2016 Christian Pointner <equinox@spreadspace.org>
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
//   list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// * Neither the name of whawty.pond nor the names of its
//   contributors may be used to endorse or promote products derived from
//   this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//

package main

import (
	"errors"

	"github.com/docker/engine-api/types"
)

type DockerImage struct {
	service  *Service
	Name     string
	Version  string
	docker   *DockerBackend
	instance types.Image
	// add info to rebuild image
}

func NewDockerImage(docker *DockerBackend, svc *Service, name, version string) (img *DockerImage, err error) {
	img = &DockerImage{}
	img.Name = name
	img.Version = version
	img.docker = docker

	_, err = img.Exists()
	return
}

func (i *DockerImage) Exists() (bool, error) {
	di, err := i.docker.ImageGet(i.service.Name, i.Name, i.Version)
	if err != nil {
		return false, err
	}
	i.instance = di
	return true, nil
}

func (i *DockerImage) Rebuild() error {
	return errors.New("not yet implemented")
}

func (i *DockerImage) NewContainer(name string) (*Container, error) {
	return nil, errors.New("not yet implemented")
}