func Resource(resource *mesos.Resource) string {
var buffer bytes.Buffer
buffer.WriteString(resource.GetName())
buffer.WriteString(":")
if resource.GetScalar() != nil {
buffer.WriteString(fmt.Sprintf("%.2f", resource.GetScalar().GetValue()))
}
if resource.GetRanges() != nil {
for _, r := range resource.GetRanges().GetRange() {
buffer.WriteString(fmt.Sprintf("[%d..%d]", r.GetBegin(), r.GetEnd()))
}
}
return buffer.String()
}
func formatResource(resource *mesosproto.Resource) string {
switch resource.GetType() {
case mesosproto.Value_SCALAR:
if resource.GetName() == "disk" || resource.GetName() == "mem" {
return units.BytesSize(resource.GetScalar().GetValue() * 1024 * 1024)
}
return fmt.Sprintf("%d", int(resource.GetScalar().GetValue()))
case mesosproto.Value_RANGES:
var ranges []string
for _, r := range resource.GetRanges().GetRange() {
ranges = append(ranges, fmt.Sprintf("%d-%d", r.GetBegin(), r.GetEnd()))
}
return strings.Join(ranges, ", ")
}
return "?"
}
// isScalar returns true if the given resource is a scalar type.
func isScalar(r *mesos.Resource) bool {
return r.GetType() == mesos.Value_SCALAR
}
func AddResourceReservation(resource *mesos.Resource, principal string, role string) *mesos.Resource {
resource.Reservation = &mesos.Resource_ReservationInfo{Principal: proto.String(principal)}
resource.Role = proto.String(role)
return resource
}
func AddResourceRevocable(resource *mesos.Resource) *mesos.Resource {
resource.Revocable = &mesos.Resource_RevocableInfo{}
return resource
}