public VirtualMachine getVM(CloudVmAllocationType request) {
VMTypeType.VMType SLA_VM;
try {
SLA_VM = Util.findVMByName(request.getVmType(), currentVMType);
} catch (NoSuchElementException e1) {
log.error("VM name " + request.getVmType() + " could not be found in SLA");
return null;
}
int nbCPUs = SLA_VM.getCapacity().getVCpus().getValue();
// the consumption of a VM if set as a percentage * number of CPU.
// it should be demanding a certain CPU power instead.
int consumption =
(int)
(nbCPUs
* SLA_VM
.getExpectedLoad()
.getVCpuLoad()
.getValue()); // (int) (SLA_VM.getExpectedLoad().getVCpuLoad().getValue() *
// REFERENCE_CPU_SPEED);
int memory = (int) (SLA_VM.getCapacity().getVRam().getValue() * 1024);
log.debug("creation of an Entropy VM for allocation request");
log.debug("nbCPUs " + nbCPUs);
log.debug("consumption " + consumption + " %");
log.debug("memory " + memory + " MB");
VirtualMachine vm = new SimpleVirtualMachine("new VM", nbCPUs, consumption, memory);
return vm;
}
private VirtualMachine getVM(Node node, VirtualMachineType VM) {
// VM type should be set OR some measurements should be present
if (VM.getCloudVmType() == null
&& (VM.getNumberOfCPUs() == null
|| VM.getActualCPUUsage() == null
|| VM.getActualMemoryUsage() == null)) {
log.error("VM type not set for " + VM.getFrameworkID() + " and no VM measures found");
System.exit(-1);
}
VMTypeType.VMType SLA_VM = null;
if (VM.getCloudVmType() != null) {
SLA_VM = Util.findVMByName(VM.getCloudVmType(), currentVMType);
}
// If the measured values are present in the VM, we take these.
// otherwise, we take the specification values from the SLA.
int nbCPUs;
if (VM.getNumberOfCPUs() != null) {
nbCPUs = VM.getNumberOfCPUs().getValue();
} else {
nbCPUs = SLA_VM.getCapacity().getVCpus().getValue();
}
double CPUUsage;
if (VM.getActualCPUUsage() != null) {
CPUUsage = VM.getActualCPUUsage().getValue();
} else {
CPUUsage = SLA_VM.getExpectedLoad().getVCpuLoad().getValue();
}
int memory;
if (VM.getActualMemoryUsage() != null) {
memory = (int) (VM.getActualMemoryUsage().getValue() * 1024);
} else {
memory = (int) (SLA_VM.getCapacity().getVRam().getValue() * 1024);
}
int consumption = (int) (CPUUsage * nbCPUs);
log.debug("creation of an Entropy VM with name " + VM.getFrameworkID());
log.debug("nbCPUs " + nbCPUs);
log.debug("consumption " + consumption + " %");
log.debug("memory " + memory + " MB");
VirtualMachine vm = new SimpleVirtualMachine(VM.getFrameworkID(), nbCPUs, consumption, memory);
return vm;
}