Adds both build and push support

This adds support for building and pushing docker containers when you perform either `kompose convert` or `kompose up`. Docker Compose files who have build parameters with their respective image and build keys will automatically be both built and pushed.
2017-06-14 10:19:12 -04:00
parent 49ada134ae
commit e2f9084003
26 changed files with 1664 additions and 555 deletions
@@ -0,0 +1,80 @@
+/*
+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"
+	log "github.com/Sirupsen/logrus"
+	dockerlib "github.com/fsouza/go-dockerclient"
+	"github.com/kubernetes-incubator/kompose/pkg/utils/archive"
+	"github.com/pkg/errors"
+	"io/ioutil"
+	"os"
+	"path"
+	"strings"
+)
+
+type Build struct {
+	Client dockerlib.Client
+}
+
+/*
+Build 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) 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,
+	}
+
+	// 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
+}