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create_image.go
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create_image.go
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///////////////////////////////////////////////////////////////////////
// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
///////////////////////////////////////////////////////////////////////
package cmd
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"path"
"github.com/spf13/cobra"
"golang.org/x/net/context"
"github.com/vmware/dispatch/pkg/api/v1"
"github.com/vmware/dispatch/pkg/client"
"github.com/vmware/dispatch/pkg/dispatchcli/i18n"
)
var (
createImageLong = i18n.T(`Create dispatch image.`)
// TODO: add examples
createImageExample = i18n.T(``)
systemDependenciesFile = i18n.T(``)
runtimeDependenciesFile = i18n.T(``)
)
// NewCmdCreateImage creates command responsible for image creation.
func NewCmdCreateImage(out io.Writer, errOut io.Writer) *cobra.Command {
cmd := &cobra.Command{
Use: "image IMAGE_NAME BASE_IMAGE_NAME",
Short: i18n.T("Create image"),
Long: createImageLong,
Example: createImageExample,
Args: cobra.MinimumNArgs(2),
Run: func(cmd *cobra.Command, args []string) {
c := imageManagerClient()
err := createImage(out, errOut, cmd, args, c)
CheckErr(err)
},
}
cmd.Flags().StringVarP(&cmdFlagApplication, "application", "a", "", "associate with an application")
cmd.Flags().StringVar(&systemDependenciesFile, "system-deps", "", "path to file with system dependencies")
cmd.Flags().StringVar(&runtimeDependenciesFile, "runtime-deps", "", "path to file with runtime dependencies")
return cmd
}
// CallCreateImage makes the API call to create an image
func CallCreateImage(c client.ImagesClient) ModelAction {
return func(i interface{}) error {
imageModel := i.(*v1.Image)
created, err := c.CreateImage(context.TODO(), dispatchConfig.Organization, imageModel)
if err != nil {
return err
}
*imageModel = *created
return nil
}
}
func createImage(out, errOut io.Writer, cmd *cobra.Command, args []string, c client.ImagesClient) error {
imageModel := &v1.Image{
Name: &args[0],
BaseImageName: &args[1],
}
if cmdFlagApplication != "" {
imageModel.Tags = append(imageModel.Tags, &v1.Tag{
Key: "Application",
Value: cmdFlagApplication,
})
}
var systemDependencies v1.SystemDependencies
if systemDependenciesFile != "" {
fullPath := path.Join(workDir, systemDependenciesFile)
b, err := ioutil.ReadFile(fullPath)
if err != nil {
return fmt.Errorf("failed to read system dependencies file: %s", err)
}
err = json.Unmarshal(b, &systemDependencies)
if err != nil {
return fmt.Errorf("failed to unmarshal system dependencies file: %s", err)
}
}
var runtimeDependencies v1.RuntimeDependencies
if runtimeDependenciesFile != "" {
fullPath := path.Join(workDir, runtimeDependenciesFile)
b, err := ioutil.ReadFile(fullPath)
if err != nil {
return fmt.Errorf("failed to read runtime dependencies file: %s", err)
}
runtimeDependencies.Manifest = string(b)
}
imageModel.SystemDependencies = &systemDependencies
imageModel.RuntimeDependencies = &runtimeDependencies
err := CallCreateImage(c)(imageModel)
if err != nil {
return err
}
if w, err := formatOutput(out, false, imageModel); w {
return err
}
fmt.Fprintf(out, "Created image: %s\n", *imageModel.Name)
return nil
}