/**
* @param fa
* @return
*/
public static Flow getVmFlowFromFlowAllocation(FlowAllocation fa) {
VirtualMachine vm = (VirtualMachine) fa.getBoughtBy();
for (Commodity c : vm.getCommoditiesBought()) {
if (fa.getKey().equals(c.getKey()) && isInstanceOfFlow(c)) return (Flow) c;
}
return null;
}
/**
* Create a DPod object layered over the given list of entities.
*
* @param seList A list of entities layered over the DPod
* @param scName The name of the Storage Controller that defined this DPod
* @return The DPod created
*/
public static DPod createDPod(
DPod dPod,
final Set<ServiceEntity> seList,
HistoryUtil historyLayeredOver,
HistoryUtil historyUnderlying) {
// Need a naming method for DPod
dPod.setDisplayName(dPod.getName());
// Create all the relationships between the providers and the dPod
Map<String, Float> key2flowCap = new HashMap<String, Float>();
key2flowCap.put(PodUtil.FLOW_KEYS[1], 0f);
key2flowCap.put(PodUtil.FLOW_KEYS[2], 0f);
float cpuCap = 0f, memCap = 0f, stCap = 0f;
for (ServiceEntity se : seList) {
attachDPodToProvider(se, dPod, historyLayeredOver);
// calculate the sum of the capacities for each type of commodity
for (Commodity comm : se.getCommodities()) {
if (comm.eClass() == AbstractionPackage.eINSTANCE.getFlow()) {
if (comm.getKey().contains(PodUtil.FLOW_KEYS[1])) {
key2flowCap.put(
PodUtil.FLOW_KEYS[1], key2flowCap.get(PodUtil.FLOW_KEYS[1]) + comm.getCapacity());
logger.trace(
"Flow-1 Commodity: "
+ comm.getDisplayName()
+ " has capacity "
+ comm.getCapacity());
logger.trace(
"Flow-1 capacity (after addition): " + key2flowCap.get(PodUtil.FLOW_KEYS[1]));
} else if (comm.getKey().contains(PodUtil.FLOW_KEYS[2])) {
key2flowCap.put(
PodUtil.FLOW_KEYS[2], key2flowCap.get(PodUtil.FLOW_KEYS[2]) + comm.getCapacity());
logger.trace("Flow-2 Commodity has capacity " + comm.getCapacity());
logger.trace(
"Flow-2 capacity (after addition): " + key2flowCap.get(PodUtil.FLOW_KEYS[2]));
}
} else if (comm.eClass() == AbstractionPackage.eINSTANCE.getCPU()) {
cpuCap += comm.getCapacity();
} else if (comm.eClass() == AbstractionPackage.eINSTANCE.getMem()) {
memCap += comm.getCapacity();
} else if (comm.eClass() == AbstractionPackage.eINSTANCE.getStorageAmount()) {
stCap += comm.getCapacity();
}
}
}
// Create commodities sold by the DPod
// The capacity of the commodities is equal to the sum of the capacities on all underlying
// entities
StorageAllocation stAlloc =
(StorageAllocation)
createObject(
AbstractionPackage.eINSTANCE.getStorageAllocation(), "ST-" + dPod.getName());
stAlloc.setCapacity(stCap);
stAlloc.setKey(CommodityImpl.dynCommKey(dPod));
stAlloc.setResizeable(false);
dPod.getCommodities().add(stAlloc);
CPUAllocation cpuAlloc =
(CPUAllocation)
createObject(AbstractionPackage.eINSTANCE.getCPUAllocation(), "CPU-" + dPod.getName());
cpuAlloc.setCapacity(cpuCap);
cpuAlloc.setKey(CommodityImpl.dynCommKey(dPod));
cpuAlloc.setResizeable(false);
dPod.getCommodities().add(cpuAlloc);
MemAllocation memAlloc =
(MemAllocation)
createObject(AbstractionPackage.eINSTANCE.getMemAllocation(), "MEM-" + dPod.getName());
memAlloc.setCapacity(memCap);
memAlloc.setKey(CommodityImpl.dynCommKey(dPod));
memAlloc.setResizeable(false);
dPod.getCommodities().add(memAlloc);
for (int level = 1; level < PodUtil.FLOW_KEYS.length; level++) {
FlowAllocation flowAlloc =
(FlowAllocation)
createObject(
AbstractionPackage.eINSTANCE.getFlowAllocation(),
"FlowAllocation-" + level + "-" + dPod.getName());
logger.info(
"Flow-" + level + " Allocation capacity " + key2flowCap.get(PodUtil.FLOW_KEYS[level]));
if (key2flowCap.get(PodUtil.FLOW_KEYS[level]) >= 9e14) {
logger.trace("Flow-" + level + " Allocation capacity is too high.");
logger.trace(
"Flow-"
+ level
+ " Allocation Capacity is "
+ key2flowCap.get(PodUtil.FLOW_KEYS[level]));
}
flowAlloc.setCapacity(key2flowCap.get(PodUtil.FLOW_KEYS[level]));
flowAlloc.setKey(PodUtil.getFlowKey(CommodityImpl.dynCommKey(dPod), level));
flowAlloc.setResizeable(false);
dPod.getCommodities().add(flowAlloc);
}
return dPod;
}
/**
* Creates all the necessary commodities and relationships between a provider and the DPod layered
* over it.
*
* @param provider The provider (Physical Machine or Storage)
* @param dPod The DPod
* @param historyLayeredOver
*/
public static void attachDPodToProvider(
final ServiceEntity provider, final DPod dPod, final HistoryUtil historyLayeredOver) {
String providerName = provider.getName();
String commKey = providerName + ":" + dPod.getName();
if (provider instanceof PhysicalMachine) {
// Create dPod commodities bought and commodities sold from the provider to the DPod
CPUAllocation cpuAllocBought =
(CPUAllocation)
dPod.buyDynamicCommodity(AbstractionPackage.eINSTANCE.getCPUAllocation(), commKey, 0);
cpuAllocBought.setName(
commKey + ":" + AbstractionPackage.eINSTANCE.getCPUAllocation().getName() + "Bought");
cpuAllocBought.setResizeable(false);
dPod.getCommoditiesBought().add(cpuAllocBought);
Commodity cpuAlloc =
provider.sellDynamicCommodity(
AbstractionPackage.eINSTANCE.getCPUAllocation(), commKey, 0, null);
provider.getCommodities().add(cpuAlloc);
cpuAllocBought.getConsumes().clear();
cpuAllocBought.getConsumes().add(cpuAlloc);
MemAllocation memAllocBought =
(MemAllocation)
dPod.buyDynamicCommodity(AbstractionPackage.eINSTANCE.getMemAllocation(), commKey, 0);
memAllocBought.setName(
commKey + ":" + AbstractionPackage.eINSTANCE.getMemAllocation().getName() + "Bought");
memAllocBought.setResizeable(false);
dPod.getCommoditiesBought().add(memAllocBought);
Commodity memAlloc =
provider.sellDynamicCommodity(
AbstractionPackage.eINSTANCE.getMemAllocation(), commKey, 0, null);
provider.getCommodities().add(memAlloc);
memAllocBought.getConsumes().clear();
memAllocBought.getConsumes().add(memAlloc);
Map<String, Commodity> key2FlowAlloc = new HashMap<>();
for (int level = 1; level < PodUtil.FLOW_KEYS.length; level++) {
String commFlowKey = PodUtil.getFlowKey(commKey, level);
FlowAllocation flowAllocBought =
(FlowAllocation)
dPod.buyDynamicCommodity(
AbstractionPackage.eINSTANCE.getFlowAllocation(), commFlowKey, 0);
flowAllocBought.setName(
commFlowKey
+ ":"
+ AbstractionPackage.eINSTANCE.getFlowAllocation().getName()
+ "Bought");
flowAllocBought.setResizeable(false);
dPod.getCommoditiesBought().add(flowAllocBought);
Commodity flowAlloc =
provider.sellDynamicCommodity(
AbstractionPackage.eINSTANCE.getFlowAllocation(), commFlowKey, 0, null);
provider.getCommodities().add(flowAlloc);
flowAllocBought.getConsumes().clear();
flowAllocBought.getConsumes().add(flowAlloc);
key2FlowAlloc.put(PodUtil.FLOW_KEYS[level], flowAlloc);
}
// set the capacity of the provider sold allocation commodities to match the capacity
// of the regular commodities
for (Commodity comm : provider.getCommodities()) {
if (comm.eClass() == AbstractionPackage.eINSTANCE.getMem())
memAlloc.setCapacity(comm.getCapacity());
else if (comm.eClass() == AbstractionPackage.eINSTANCE.getCPU())
cpuAlloc.setCapacity(comm.getCapacity());
else if (comm.eClass()
== AbstractionPackage.eINSTANCE.getFlow()) { // update the alloc comm for the same level
if (key2FlowAlloc.containsKey(comm.getKey()))
logger.trace(
"The Dpod "
+ dPod.getName()
+ "Flow-"
+ comm.getKey()
+ " capacity is "
+ key2FlowAlloc.get(comm.getKey()).getCapacity());
logger.trace(
"The Provider "
+ provider.getName()
+ "Flow-"
+ comm.getKey()
+ "capacity is "
+ comm.getCapacity());
if (key2FlowAlloc.get(comm.getKey()) != null)
key2FlowAlloc.get(comm.getKey()).setCapacity(comm.getCapacity());
}
}
} else if (provider instanceof Storage) {
StorageAllocation stAllocBought =
(StorageAllocation)
dPod.buyDynamicCommodity(
AbstractionPackage.eINSTANCE.getStorageAllocation(), commKey, 0);
stAllocBought.setName(
commKey + ":" + AbstractionPackage.eINSTANCE.getStorageAllocation().getName() + "Bought");
stAllocBought.setResizeable(false);
dPod.getCommoditiesBought().add(stAllocBought);
Commodity stAlloc =
provider.sellDynamicCommodity(
AbstractionPackage.eINSTANCE.getStorageAllocation(), commKey, 0, null);
provider.getCommodities().add(stAlloc);
stAllocBought.getConsumes().clear();
stAllocBought.getConsumes().add(stAlloc);
for (Commodity comm : provider.getCommodities()) {
if (comm.eClass() == AbstractionPackage.eINSTANCE.getStorageAmount())
stAlloc.setCapacity(comm.getCapacity());
}
}
dPod.getLayeredOver().add(provider);
historyLayeredOver.remove(provider);
}