@Test
public void testApply() {
AllocateEvent na = new AllocateEvent(vms.get(0), "foo", 3);
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
map.addOnlineNode(ns.get(0));
map.addRunningVM(vms.get(0), ns.get(0));
Assert.assertFalse(na.apply(mo));
ShareableResource rc = new ShareableResource("foo");
mo.attach(rc);
Assert.assertTrue(na.apply(mo));
Assert.assertEquals(3, rc.getConsumption(vms.get(0)));
}
private boolean discreteCheck(Model mo) {
Mapping map = mo.getMapping();
for (VM vm : getVMs()) {
if (map.isRunning(vm)) {
Node host = map.getVMLocation(vm);
Set<VM> on = map.getRunningVMs(host);
// Check for other VMs on the node. If they are not in the constraint
// it's a violation
for (VM vm2 : on) {
if (!vm2.equals(vm) && !getVMs().contains(vm2)) {
return false;
}
}
}
}
return true;
}
@Override
public boolean startsWith(Model mo) {
if (getConstraint().isContinuous()) {
boolean ret = discreteCheck(mo);
if (ret) {
Mapping map = mo.getMapping();
for (VM vm : getVMs()) {
if (map.isRunning(vm)) {
privateNodes.add(map.getVMLocation(vm));
}
}
for (Node n : map.getOnlineNodes()) {
if (map.getRunningVMs(n).isEmpty()) {
idleNodes.add(n);
}
}
}
return ret;
}
return true;
}
@Test
public void testContinuousIsSatisfied() {
Model mo = new DefaultModel();
List<VM> vms = Util.newVMs(mo, 5);
List<Node> ns = Util.newNodes(mo, 5);
Mapping map = mo.getMapping();
map.addOnlineNode(ns.get(0));
map.addOnlineNode(ns.get(1));
map.addOnlineNode(ns.get(2));
map.addRunningVM(vms.get(0), ns.get(0));
map.addRunningVM(vms.get(1), ns.get(1));
map.addReadyVM(vms.get(2));
map.addRunningVM(vms.get(3), ns.get(2));
Quarantine q = new Quarantine(ns.get(0));
ReconfigurationPlan plan = new DefaultReconfigurationPlan(mo);
Assert.assertEquals(q.isSatisfied(plan), true);
plan.add(new ShutdownVM(vms.get(1), ns.get(1), 1, 2));
Assert.assertEquals(q.isSatisfied(plan), true);
plan.add(new BootVM(vms.get(2), ns.get(0), 0, 1));
Assert.assertEquals(q.isSatisfied(plan), false);
plan = new DefaultReconfigurationPlan(mo);
plan.add(new BootVM(vms.get(2), ns.get(2), 0, 1));
Assert.assertEquals(new Quarantine(ns.get(1)).isSatisfied(plan), true);
plan.add(new MigrateVM(vms.get(3), ns.get(2), ns.get(1), 0, 1));
Assert.assertEquals(new Quarantine(ns.get(1)).isSatisfied(plan), false);
plan = new DefaultReconfigurationPlan(mo);
plan.add(new MigrateVM(vms.get(1), ns.get(1), ns.get(0), 0, 1));
Assert.assertEquals(q.isSatisfied(plan), false);
}