func (this *OpenStack) ImageFetch(url string, format string) (string, error) {
opts := image.CreateOpts{
Name: "lobster",
ContainerFormat: "bare",
DiskFormat: format,
CopyFrom: url,
}
createResult := image.Create(this.ImageClient, opts)
image, err := createResult.Extract()
if err != nil {
return "", err
} else {
return image.ID, nil
}
}
func (os *OpenStack) CreateImage(imageTemplate *compute.Image) (*compute.Image, error) {
if imageTemplate.SourceInstance != "" {
opts := servers.CreateImageOpts{
Name: imageTemplate.Name,
}
imageID, err := servers.CreateImage(os.ComputeClient, imageTemplate.SourceInstance, opts).ExtractImageID()
if err != nil {
return nil, err
} else {
return &compute.Image{
ID: imageID,
Name: imageTemplate.Name,
SourceInstance: imageTemplate.SourceInstance,
}, nil
}
} else if imageTemplate.SourceURL != "" {
if imageTemplate.Format == "" {
return nil, errors.New("missing image format (e.g. iso, qcow2, raw)")
}
opts := image.CreateOpts{
Name: imageTemplate.Name,
ContainerFormat: "bare",
DiskFormat: imageTemplate.Format,
CopyFrom: imageTemplate.SourceURL,
}
createResult := image.Create(os.ImageClient, opts)
apiImage, err := createResult.Extract()
if err != nil {
return nil, err
} else {
return &compute.Image{
ID: apiImage.ID,
Name: apiImage.Name,
Format: apiImage.DiskFormat,
}, nil
}
} else {
return nil, errors.New("neither source instance nor source URL is set")
}
}