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

Example 66 with Mapping

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

the class ReconfigurationPlanFuzzer method setDestinationState.

private void setDestinationState(ReconfigurationPlan p, VM v) {
    Mapping map = p.getOrigin().getMapping();
    Node host = map.getVMLocation(v);
    int n = rnd.nextInt(dstReadyVMs + dstRunningVMs + dstSleepingVMs);
    int[] bounds = schedule();
    int duration = bounds[1] - bounds[0];
    if (n < dstReadyVMs) {
        if (host != null) {
            p.add(new ShutdownVM(v, host, bounds[0], bounds[1]));
            p.getOrigin().getAttributes().put(v, "shutdown", duration);
        }
    } else if (n < dstReadyVMs + dstRunningVMs) {
        if (host == null) {
            p.add(new BootVM(v, pick(map.getAllNodes()), bounds[0], bounds[1]));
            p.getOrigin().getAttributes().put(v, "boot", duration);
        } else {
            // was running -> migrate
            if (map.isRunning(v)) {
                Node dst = pick(map.getAllNodes());
                if (!host.equals(dst)) {
                    p.add(new MigrateVM(v, host, dst, bounds[0], bounds[1]));
                    p.getOrigin().getAttributes().put(v, "migrate", duration);
                }
            } else {
                // was sleeping -> resume
                p.add(new ResumeVM(v, host, pick(map.getAllNodes()), bounds[0], bounds[1]));
                p.getOrigin().getAttributes().put(v, "resume", duration);
            }
        }
    } else {
        // moving to sleeping state
        if (map.isRunning(v)) {
            p.add(new SuspendVM(v, host, host, bounds[0], bounds[1]));
            p.getOrigin().getAttributes().put(v, "sleeping", duration);
        }
    }
}

Example 67 with Mapping

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

the class NetworkFuzzer method decorate.

@Override
public void decorate(ReconfigurationPlan p) {
    Network net = new Network();
    Mapping m = p.getOrigin().getMapping();
    Switch s = net.newSwitch(1000 * (1 + rnd.nextInt(40)));
    for (Node n : m.getAllNodes()) {
        int bw = 1000 * (1 + rnd.nextInt(40));
        net.connect(bw, s, n);
    }
}

Example 68 with Mapping

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

the class FixedNodeSetsPartitioning method getVMsToLaunch.

private Set<VM> getVMsToLaunch(Instance i) {
    Mapping m = i.getModel().getMapping();
    Set<VM> toLaunch = new THashSet<>();
    for (SatConstraint cstr : i.getSatConstraints()) {
        // Extract the VMs to launch
        if (cstr instanceof Running) {
            for (VM v : cstr.getInvolvedVMs()) {
                if (m.isReady(v)) {
                    m.remove(v);
                    toLaunch.add(v);
                }
            }
        }
    }
    return toLaunch;
}

Example 69 with Mapping

use of org.btrplace.model.Mapping 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 70 with Mapping

use of org.btrplace.model.Mapping 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));
}