Examples with DefaultModel org.btrplace.model.DefaultModel used on opensource projects

Example 41 with DefaultModel

use of org.btrplace.model.DefaultModel in project scheduler by btrplace.

the class IssuesTest method testIssue86.

@Test
public void testIssue86() throws Exception {
    Model mo = new DefaultModel();
    mo.getMapping().addReadyVM(mo.newVM());
    mo.getMapping().addReadyVM(mo.newVM());
    mo.getMapping().addReadyVM(mo.newVM());
    mo.getMapping().addOnlineNode(mo.newNode());
    mo.getMapping().addOnlineNode(mo.newNode());
    mo.getMapping().addOnlineNode(mo.newNode());
    List<SatConstraint> cstrs = mo.getMapping().getAllVMs().stream().map(Running::new).collect(Collectors.toList());
    cstrs.add(new Spread(mo.getMapping().getAllVMs(), false));
    cstrs.addAll(mo.getMapping().getOnlineNodes().stream().map(n -> new RunningCapacity(n, 1)).collect(Collectors.toList()));
    Instance i = new Instance(mo, cstrs, new MinMTTR());
    ChocoScheduler s = new DefaultChocoScheduler();
    s.doOptimize(false);
    s.doRepair(false);
    ReconfigurationPlan p = s.solve(i.getModel(), i.getSatConstraints(), i.getOptConstraint());
    Assert.assertNotNull(p);
    Assert.assertEquals(3, p.getActions().size());
    s.doRepair(true);
    p = s.solve(i.getModel(), i.getSatConstraints(), i.getOptConstraint());
    Assert.assertNotNull(p);
    Assert.assertEquals(3, p.getActions().size());
}

Example 42 with DefaultModel

use of org.btrplace.model.DefaultModel in project scheduler by btrplace.

the class IssuesTest method test16b.

/**
 * Unit test derived from Issue 16.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void test16b() throws SchedulerException {
    Model model = new DefaultModel();
    Node n1 = model.newNode();
    Node n2 = model.newNode();
    Node n3 = model.newNode();
    Node n4 = model.newNode();
    VM vm1 = model.newVM();
    VM vm2 = model.newVM();
    VM vm3 = model.newVM();
    VM vm4 = model.newVM();
    VM vm5 = model.newVM();
    VM vm6 = model.newVM();
    model.getMapping().on(n1, n2, n3, n4).run(n1, vm1, vm2).run(n2, vm3, vm4).run(n3, vm5, vm6);
    Set<SatConstraint> ctrsC = new HashSet<>();
    Set<VM> vms1 = new HashSet<>(Arrays.asList(vm1, vm3, vm5));
    Set<VM> vms2 = new HashSet<>(Arrays.asList(vm2, vm4, vm6));
    ctrsC.add(new Spread(vms1));
    ctrsC.add(new Spread(vms2));
    ctrsC.add(new Fence(vm3, Collections.singleton(n1)));
    Offline off = new Offline(n2);
    ctrsC.add(off);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan dp = cra.solve(model, ctrsC);
    Assert.assertNotNull(dp);
}

Example 43 with DefaultModel

use of org.btrplace.model.DefaultModel in project scheduler by btrplace.

the class RelocatableVMTest method testWorthlessReInstantiation.

/**
 * The re-instantiation is possible and worthy.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 * @throws ContradictionException
 */
@Test
public void testWorthlessReInstantiation() 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<>(2));
    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);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(10, true);
    Assert.assertNotNull(p);
    Assert.assertTrue(am.getRelocationMethod().isInstantiatedTo(0));
    Assert.assertEquals(p.getSize(), 1);
    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);
}

Example 44 with DefaultModel

use of org.btrplace.model.DefaultModel in project scheduler by btrplace.

the class RelocatableVMTest method testForcedMigration.

@Test
public void testForcedMigration() 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(0, 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(0));
    Assert.assertEquals(p.getSize(), 1);
    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);
}

Example 45 with DefaultModel

use of org.btrplace.model.DefaultModel in project scheduler by btrplace.

the class RelocatableVMTest method testRelocateDueToPreserve.

@Test
public void testRelocateDueToPreserve() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    final VM vm2 = mo.newVM();
    final VM vm3 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addRunningVM(vm1, n1);
    map.addRunningVM(vm2, n1);
    map.addRunningVM(vm3, n2);
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("cpu", 10, 10);
    rc.setCapacity(n1, 7);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 3);
    rc.setConsumption(vm3, 5);
    Preserve pr = new Preserve(vm1, "cpu", 5);
    ChocoScheduler cra = new DefaultChocoScheduler();
    mo.attach(rc);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    cstrs.addAll(Overbook.newOverbooks(map.getAllNodes(), "cpu", 1));
    cstrs.add(pr);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
}