forked from LaconicNetwork/kompose
286fbd1203
While `local` build, kompose was not recognizing `dockerfile` key Hence it was breaking the build as mentioned in issue #832. This PR will fix the issue.
83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package docker
|
|
|
|
import (
|
|
"bytes"
|
|
dockerlib "github.com/fsouza/go-dockerclient"
|
|
"github.com/kubernetes/kompose/pkg/utils/archive"
|
|
"github.com/pkg/errors"
|
|
log "github.com/sirupsen/logrus"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
)
|
|
|
|
// Build will provide methods for interaction with API regarding building images
|
|
type Build struct {
|
|
Client dockerlib.Client
|
|
}
|
|
|
|
/*
|
|
BuildImage builds a Docker image via the Docker API. Takes the source directory
|
|
and image name and then builds the appropriate image. Tarball is utilized
|
|
in order to make building easier.
|
|
*/
|
|
func (c *Build) BuildImage(source string, image string, dockerfile string) error {
|
|
|
|
log.Infof("Building image '%s' from directory '%s'", image, path.Base(source))
|
|
|
|
// Create a temporary file for tarball image packaging
|
|
tmpFile, err := ioutil.TempFile("/tmp", "kompose-image-build-")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
log.Debugf("Created temporary file %v for Docker image tarballing", tmpFile.Name())
|
|
|
|
// Create a tarball of the source directory in order to build the resulting image
|
|
err = archive.CreateTarball(strings.Join([]string{source, ""}, "/"), tmpFile.Name())
|
|
if err != nil {
|
|
return errors.Wrap(err, "Unable to create a tarball")
|
|
}
|
|
|
|
// Load the file into memory
|
|
tarballSource, err := os.Open(tmpFile.Name())
|
|
if err != nil {
|
|
return errors.Wrap(err, "Unable to load tarball into memory")
|
|
}
|
|
|
|
// Let's create all the options for the image building.
|
|
outputBuffer := bytes.NewBuffer(nil)
|
|
opts := dockerlib.BuildImageOptions{
|
|
Name: image,
|
|
InputStream: tarballSource,
|
|
OutputStream: outputBuffer,
|
|
Dockerfile: dockerfile,
|
|
}
|
|
|
|
// Build it!
|
|
if err := c.Client.BuildImage(opts); err != nil {
|
|
return errors.Wrap(err, "Unable to build image. For more output, use -v or --verbose when converting.")
|
|
}
|
|
|
|
log.Infof("Image '%s' from directory '%s' built successfully", image, path.Base(source))
|
|
log.Debugf("Image %s build output:\n%s", image, outputBuffer)
|
|
|
|
return nil
|
|
}
|