func (i *importer) constraints(cons description.Constraints) constraints.Value {
var result constraints.Value
if cons == nil {
return result
}
if arch := cons.Architecture(); arch != "" {
result.Arch = &arch
}
if container := instance.ContainerType(cons.Container()); container != "" {
result.Container = &container
}
if cores := cons.CpuCores(); cores != 0 {
result.CpuCores = &cores
}
if power := cons.CpuPower(); power != 0 {
result.CpuPower = &power
}
if inst := cons.InstanceType(); inst != "" {
result.InstanceType = &inst
}
if mem := cons.Memory(); mem != 0 {
result.Mem = &mem
}
if disk := cons.RootDisk(); disk != 0 {
result.RootDisk = &disk
}
if spaces := cons.Spaces(); len(spaces) > 0 {
result.Spaces = &spaces
}
if tags := cons.Tags(); len(tags) > 0 {
result.Tags = &tags
}
if virt := cons.VirtType(); virt != "" {
result.VirtType = &virt
}
return result
}