github.com/cloud-foundations/dominator@v0.0.0-20221004181915-6e4fee580046/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])
    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) error {
    28  	imageExists, err := client.CheckImage(imageSClient, name)
    29  	if err != nil {
    30  		return errors.New("error checking for image existence: " + err.Error())
    31  	}
    32  	if imageExists {
    33  		return errors.New("image exists")
    34  	}
    35  	newImage := new(image.Image)
    36  	if err := loadImageFiles(newImage, objectClient, filterFilename,
    37  		triggersFilename); err != nil {
    38  		return err
    39  	}
    40  	newImage.FileSystem, err = buildImage(imageSClient, newImage.Filter,
    41  		imageFilename)
    42  	if err != nil {
    43  		return errors.New("error building image: " + err.Error())
    44  	}
    45  	if err := spliceComputedFiles(newImage.FileSystem); err != nil {
    46  		return err
    47  	}
    48  	if err := copyMtimes(imageSClient, newImage, *copyMtimesFrom); err != nil {
    49  		return err
    50  	}
    51  	return addImage(imageSClient, name, newImage)
    52  }
    53  
    54  func copyMtimes(imageSClient *srpc.Client, img *image.Image,
    55  	oldImageName string) error {
    56  	if oldImageName == "" {
    57  		return nil
    58  	}
    59  	fs := img.FileSystem
    60  	oldFs, err := getFsOfImage(imageSClient, oldImageName)
    61  	if err != nil {
    62  		return err
    63  	}
    64  	util.CopyMtimes(oldFs, fs)
    65  	return nil
    66  }