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 } return result }