github.com/Cloud-Foundations/Dominator@v0.3.4/cmd/imagetool/addImagefile.go (about)

     1  package main
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  
     7  	"github.com/Cloud-Foundations/Dominator/imageserver/client"
     8  	"github.com/Cloud-Foundations/Dominator/lib/filesystem/util"
     9  	"github.com/Cloud-Foundations/Dominator/lib/image"
    10  	"github.com/Cloud-Foundations/Dominator/lib/log"
    11  	objectclient "github.com/Cloud-Foundations/Dominator/lib/objectserver/client"
    12  	"github.com/Cloud-Foundations/Dominator/lib/srpc"
    13  )
    14  
    15  func addImagefileSubcommand(args []string, logger log.DebugLogger) error {
    16  	imageSClient, objectClient := getClients()
    17  	err := addImagefile(imageSClient, objectClient, args[0], args[1], args[2],
    18  		args[3], logger)
    19  	if err != nil {
    20  		return fmt.Errorf("error adding image: \"%s\": %s", args[0], err)
    21  	}
    22  	return nil
    23  }
    24  
    25  func addImagefile(imageSClient *srpc.Client,
    26  	objectClient *objectclient.ObjectClient,
    27  	name, imageFilename, filterFilename, triggersFilename string,
    28  	logger log.DebugLogger) error {
    29  	imageExists, err := client.CheckImage(imageSClient, name)
    30  	if err != nil {
    31  		return errors.New("error checking for image existence: " + err.Error())
    32  	}
    33  	if imageExists {
    34  		return errors.New("image exists")
    35  	}
    36  	newImage := new(image.Image)
    37  	if err := loadImageFiles(newImage, objectClient, filterFilename,
    38  		triggersFilename); err != nil {
    39  		return err
    40  	}
    41  	newImage.FileSystem, err = buildImage(imageSClient, newImage.Filter,
    42  		imageFilename, logger)
    43  	if err != nil {
    44  		return errors.New("error building image: " + err.Error())
    45  	}
    46  	if err := spliceComputedFiles(newImage.FileSystem); err != nil {
    47  		return err
    48  	}
    49  	if err := copyMtimes(imageSClient, newImage, *copyMtimesFrom); err != nil {
    50  		return err
    51  	}
    52  	return addImage(imageSClient, name, newImage, logger)
    53  }
    54  
    55  func copyMtimes(imageSClient *srpc.Client, img *image.Image,
    56  	oldImageName string) error {
    57  	if oldImageName == "" {
    58  		return nil
    59  	}
    60  	fs := img.FileSystem
    61  	oldFs, err := getTypedFileSystem(oldImageName)
    62  	if err != nil {
    63  		return err
    64  	}
    65  	util.CopyMtimes(oldFs, fs)
    66  	return nil
    67  }