use of org.btrplace.scheduler.choco.duration.DurationEvaluators in project scheduler by btrplace.
the class RelocatableVMTest method testNotWorthyReInstantiation.
/**
* The re-instantiation is possible but will lead in a waste of time.
*
* @throws org.btrplace.scheduler.SchedulerException
*/
@Test
public void testNotWorthyReInstantiation() throws SchedulerException {
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
final VM vm1 = mo.newVM();
Node n1 = mo.newNode();
Node n2 = mo.newNode();
map.addOnlineNode(n1);
map.addOnlineNode(n2);
map.addRunningVM(vm1, n1);
Parameters ps = new DefaultParameters();
DurationEvaluators dev = ps.getDurationEvaluators();
dev.register(MigrateVM.class, new ConstantActionDuration<>(2));
mo.getAttributes().put(vm1, "template", "small");
mo.getAttributes().put(vm1, "clone", true);
ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).build();
RelocatableVM am = (RelocatableVM) rp.getVMAction(vm1);
Assert.assertFalse(am.getRelocationMethod().isInstantiated());
}
use of org.btrplace.scheduler.choco.duration.DurationEvaluators in project scheduler by btrplace.
the class RelocatableVMTest method testWorthyReInstantiation.
/**
* The re-instantiation is possible and worthy.
*
* @throws org.btrplace.scheduler.SchedulerException
* @throws ContradictionException
*/
@Test
public void testWorthyReInstantiation() throws SchedulerException, ContradictionException {
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
Node n1 = mo.newNode();
Node n2 = mo.newNode();
VM vm10 = mo.newVM();
map.addOnlineNode(n1);
map.addOnlineNode(n2);
// Not using vm1 because intPool starts at 0 so their will be multiple (0,1) VMs.
map.addRunningVM(vm10, n1);
Parameters ps = new DefaultParameters();
DurationEvaluators dev = ps.getDurationEvaluators();
dev.register(org.btrplace.plan.event.MigrateVM.class, new ConstantActionDuration<>(20));
dev.register(org.btrplace.plan.event.ForgeVM.class, new ConstantActionDuration<>(3));
dev.register(org.btrplace.plan.event.BootVM.class, new ConstantActionDuration<>(2));
dev.register(org.btrplace.plan.event.ShutdownVM.class, new ConstantActionDuration<>(1));
mo.getAttributes().put(vm10, "template", "small");
mo.getAttributes().put(vm10, "clone", true);
ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).setManageableVMs(map.getAllVMs()).build();
RelocatableVM am = (RelocatableVM) rp.getVMAction(vm10);
am.getDSlice().getHoster().instantiateTo(rp.getNode(n2), Cause.Null);
Solution sol = new Solution(rp.getModel());
sol.record();
rp.getSolver().plugMonitor((IMonitorSolution) () -> {
sol.record();
});
new CMinMTTR().inject(ps, rp);
ReconfigurationPlan p = rp.solve(10, true);
Assert.assertNotNull(p);
Assert.assertEquals(sol.getIntVal(am.getRelocationMethod()), 1);
Assert.assertEquals(p.getSize(), 3);
Model res = p.getResult();
// Check the VM has been relocated
Assert.assertEquals(res.getMapping().getRunningVMs(n1).size(), 0);
Assert.assertEquals(res.getMapping().getRunningVMs(n2).size(), 1);
Assert.assertNotNull(p);
for (Action a : p) {
Assert.assertTrue(a.getStart() >= 0, a.toString());
Assert.assertTrue(a.getEnd() >= a.getStart(), a.toString());
}
}
use of org.btrplace.scheduler.choco.duration.DurationEvaluators in project scheduler by btrplace.
the class ResumeVMTest method testBasics.
/**
* Just resume a VM on its current node.
*/
@Test
public void testBasics() throws SchedulerException, ContradictionException {
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
final VM vm1 = mo.newVM();
Node n1 = mo.newNode();
Node n2 = mo.newNode();
map.addOnlineNode(n1);
map.addOnlineNode(n2);
map.addSleepingVM(vm1, n1);
Parameters ps = new DefaultParameters();
DurationEvaluators dev = ps.getDurationEvaluators();
dev.register(org.btrplace.plan.event.ResumeVM.class, new ConstantActionDuration<>(10));
ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), map.getAllVMs(), new HashSet<>(), new HashSet<>()).build();
rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
ResumeVM m = (ResumeVM) rp.getVMActions().get(0);
Assert.assertEquals(vm1, m.getVM());
Assert.assertNull(m.getCSlice());
Assert.assertTrue(m.getDuration().isInstantiatedTo(10));
Assert.assertTrue(m.getState().isInstantiatedTo(1));
Assert.assertFalse(m.getDSlice().getHoster().isInstantiated());
Assert.assertFalse(m.getDSlice().getStart().isInstantiated());
Assert.assertFalse(m.getDSlice().getEnd().isInstantiated());
ReconfigurationPlan p = rp.solve(0, false);
Assert.assertNotNull(p);
org.btrplace.plan.event.ResumeVM a = (org.btrplace.plan.event.ResumeVM) p.getActions().iterator().next();
Node dest = rp.getNode(m.getDSlice().getHoster().getValue());
Assert.assertEquals(vm1, a.getVM());
Assert.assertEquals(dest, a.getDestinationNode());
Assert.assertEquals(n1, a.getSourceNode());
Assert.assertEquals(10, a.getEnd() - a.getStart());
}
use of org.btrplace.scheduler.choco.duration.DurationEvaluators in project scheduler by btrplace.
the class ShutdownVMTest method testShutdownSequence.
/**
* Test that check that the action duration is lesser than
* the cSlice duration. This allows actions scheduling
* In practice, for this test, 2 shutdown actions have to be executed sequentially
*/
@Test
public void testShutdownSequence() throws SchedulerException, ContradictionException {
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
final VM vm1 = mo.newVM();
final VM vm2 = mo.newVM();
Node n1 = mo.newNode();
map.addOnlineNode(n1);
map.addRunningVM(vm1, n1);
map.addRunningVM(vm2, n1);
Parameters ps = new DefaultParameters();
DurationEvaluators dev = ps.getDurationEvaluators();
dev.register(org.btrplace.plan.event.ShutdownVM.class, new ConstantActionDuration<>(5));
ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(map.getAllVMs(), new HashSet<>(), new HashSet<>(), new HashSet<>()).build();
ShutdownVM m1 = (ShutdownVM) rp.getVMActions().get(rp.getVM(vm1));
ShutdownVM m2 = (ShutdownVM) rp.getVMActions().get(rp.getVM(vm2));
rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
rp.getModel().post(rp.getModel().arithm(m2.getStart(), ">=", m1.getEnd()));
// System.out.println(s);
new CMinMTTR().inject(ps, rp);
ReconfigurationPlan p = rp.solve(0, false);
Assert.assertNotNull(p);
// System.out.println(p);
Iterator<Action> ite = p.iterator();
org.btrplace.plan.event.ShutdownVM b1 = (org.btrplace.plan.event.ShutdownVM) ite.next();
org.btrplace.plan.event.ShutdownVM b2 = (org.btrplace.plan.event.ShutdownVM) ite.next();
Assert.assertEquals(vm1, b1.getVM());
Assert.assertEquals(vm2, b2.getVM());
Assert.assertTrue(b1.getEnd() <= b2.getStart());
Assert.assertEquals(5, b1.getEnd() - b1.getStart());
Assert.assertEquals(5, b2.getEnd() - b2.getStart());
}
use of org.btrplace.scheduler.choco.duration.DurationEvaluators in project scheduler by btrplace.
the class ShutdownableNodeTest method testCascadedShutdown.
/**
* The 2 nodes are set offline but n2 will consume being offline after n1
*
* @throws org.btrplace.scheduler.SchedulerException
* @throws ContradictionException
*/
@Test
public void testCascadedShutdown() throws SchedulerException, ContradictionException {
Model mo = new DefaultModel();
Mapping map = mo.getMapping();
Node n1 = mo.newNode();
Node n2 = mo.newNode();
map.addOnlineNode(n1);
map.addOnlineNode(n2);
Parameters ps = new DefaultParameters();
DurationEvaluators dev = ps.getDurationEvaluators();
dev.register(ShutdownVM.class, new ConstantActionDuration<>(2));
dev.register(ShutdownNode.class, new ConstantActionDuration<>(5));
ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).build();
ShutdownableNode ma1 = (ShutdownableNode) rp.getNodeAction(n1);
ShutdownableNode ma2 = (ShutdownableNode) rp.getNodeAction(n2);
ma1.getState().instantiateTo(0, Cause.Null);
ma2.getState().instantiateTo(0, Cause.Null);
rp.getModel().post(rp.getModel().arithm(ma2.getStart(), "=", ma1.getEnd()));
ReconfigurationPlan p = rp.solve(0, false);
Assert.assertNotNull(p);
System.out.println(p);
Assert.assertEquals(ma1.getStart().getValue(), 0);
Assert.assertEquals(ma2.getStart().getValue(), ma1.getEnd().getValue());
Model res = p.getResult();
Assert.assertEquals(res.getMapping().getOfflineNodes().size(), 2);
}
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