Examples with CMinMTTR org.btrplace.scheduler.choco.constraint.mttr.CMinMTTR used on opensource projects

Example 16 with CMinMTTR

use of org.btrplace.scheduler.choco.constraint.mttr.CMinMTTR in project scheduler by btrplace.

the class RelocatableVMTest method testForcedToMove.

@Test
public void testForcedToMove() 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.addRunningVM(vm1, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(MigrateVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).build();
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
    RelocatableVM am = (RelocatableVM) rp.getVMAction(vm1);
    Assert.assertTrue(am.getRelocationMethod().isInstantiatedTo(0));
    Assert.assertEquals(vm1, am.getVM());
    Assert.assertEquals(2, am.getDuration().getDomainSize());
    Assert.assertEquals(0, am.getDuration().getLB());
    Assert.assertEquals(5, am.getDuration().getUB());
    Assert.assertFalse(am.getStart().isInstantiated());
    Assert.assertFalse(am.getEnd().isInstantiated());
    Assert.assertNotNull(am.getCSlice());
    Assert.assertTrue(am.getCSlice().getHoster().isInstantiatedTo(rp.getNode(n1)));
    Assert.assertTrue(am.getState().isInstantiatedTo(1));
    Assert.assertNotNull(am.getDSlice());
    Assert.assertFalse(am.getDSlice().getHoster().isInstantiated());
    // No VMs on n1, discrete mode
    rp.getModel().post(rp.getModel().arithm(rp.getNbRunningVMs().get(rp.getNode(n1)), "=", 0));
    new CMinMTTR().inject(new DefaultParameters(), rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Model m = p.getResult();
    Assert.assertEquals(n2, m.getMapping().getVMLocation(vm1));
    MigrateVM a = (MigrateVM) p.getActions().iterator().next();
    Assert.assertEquals(0, a.getStart());
    Assert.assertEquals(5, a.getEnd());
    Assert.assertEquals(n1, a.getSourceNode());
    Assert.assertEquals(n2, a.getDestinationNode());
    Assert.assertEquals(vm1, a.getVM());
}

Example 17 with CMinMTTR

use of org.btrplace.scheduler.choco.constraint.mttr.CMinMTTR in project scheduler by btrplace.

the class RelocatableVMTest method testForcedToStay.

@Test
public void testForcedToStay() 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.addRunningVM(vm1, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(MigrateVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).build();
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
    RelocatableVM am = (RelocatableVM) rp.getVMAction(vm1);
    // No VMs on n2
    rp.getNbRunningVMs().get(rp.getNode(n2)).instantiateTo(0, Cause.Null);
    new CMinMTTR().inject(new DefaultParameters(), rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Assert.assertEquals(0, p.getSize());
    Assert.assertTrue(am.getDuration().isInstantiatedTo(0));
    Assert.assertTrue(am.getDSlice().getHoster().isInstantiatedTo(rp.getNode(n1)));
    Assert.assertTrue(am.getStart().isInstantiatedTo(0));
    Assert.assertTrue(am.getEnd().isInstantiatedTo(0));
    Model m = p.getResult();
    Assert.assertEquals(n1, m.getMapping().getVMLocation(vm1));
}

Example 18 with CMinMTTR

use of org.btrplace.scheduler.choco.constraint.mttr.CMinMTTR in project scheduler by btrplace.

the class RelocatableVMTest method testForcedReInstantiation.

@Test
public void testForcedReInstantiation() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm10 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    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(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.getRelocationMethod().instantiateTo(1, Cause.Null);
    am.getDSlice().getHoster().instantiateTo(rp.getNode(n2), Cause.Null);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(10, true);
    Assert.assertNotNull(p);
    Assert.assertTrue(am.getRelocationMethod().isInstantiatedTo(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);
    // Check for the actions duration
    for (Action a : p) {
        if (a instanceof org.btrplace.plan.event.ForgeVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 3);
        } else if (a instanceof org.btrplace.plan.event.ShutdownVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 1);
        } else if (a instanceof org.btrplace.plan.event.BootVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 2);
        } else {
            Assert.fail();
        }
    }
}

Example 19 with CMinMTTR

use of org.btrplace.scheduler.choco.constraint.mttr.CMinMTTR in project scheduler by btrplace.

the class ShutdownVMTest method testBasic.

@Test
public void testBasic() throws ContradictionException, SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    map.addOnlineNode(n1);
    map.addRunningVM(vm1, 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();
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    ShutdownVM m = (ShutdownVM) rp.getVMActions().get(0);
    Assert.assertEquals(vm1, m.getVM());
    Assert.assertNull(m.getDSlice());
    Assert.assertTrue(m.getDuration().isInstantiatedTo(5));
    Assert.assertTrue(m.getState().isInstantiatedTo(0));
    Assert.assertTrue(m.getCSlice().getHoster().isInstantiatedTo(0));
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    org.btrplace.plan.event.ShutdownVM a = (org.btrplace.plan.event.ShutdownVM) p.getActions().iterator().next();
    Assert.assertEquals(vm1, a.getVM());
    Assert.assertEquals(5, a.getEnd() - a.getStart());
}