Examples with ReconfigurationProblem org.btrplace.scheduler.choco.ReconfigurationProblem used on opensource projects

Example 1 with ReconfigurationProblem

use of org.btrplace.scheduler.choco.ReconfigurationProblem in project scheduler by btrplace.

the class BootVMTest method testBootSequence.

/**
 * Test that check when the action is shorter than the end of
 * the reconfiguration process.
 * In practice, 2 boot actions have to be executed sequentially
 */
@Test
public void testBootSequence() 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();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addReadyVM(vm1);
    map.addReadyVM(vm2);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.BootVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), map.getAllVMs(), new HashSet<>(), new HashSet<>()).build();
    BootVM m1 = (BootVM) rp.getVMActions().get(rp.getVM(vm1));
    BootVM m2 = (BootVM) rp.getVMActions().get(rp.getVM(vm2));
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
    rp.getModel().post(rp.getModel().arithm(m2.getStart(), ">=", m1.getEnd()));
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Iterator<Action> ite = p.iterator();
    org.btrplace.plan.event.BootVM b1 = (org.btrplace.plan.event.BootVM) ite.next();
    org.btrplace.plan.event.BootVM b2 = (org.btrplace.plan.event.BootVM) 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());
}

Example 2 with ReconfigurationProblem

use of org.btrplace.scheduler.choco.ReconfigurationProblem in project scheduler by btrplace.

the class ForgeVMTest method testResolution.

@Test
public void testResolution() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    final VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    m.addOnlineNode(n1);
    mo.getAttributes().put(vm1, "template", "small");
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.ForgeVM.class, new ConstantActionDuration<>(7));
    dev.register(ShutdownNode.class, new ConstantActionDuration<>(20));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(Collections.singleton(vm1), Collections.emptySet(), Collections.emptySet(), Collections.emptySet()).build();
    // Force the node to get offline
    ShutdownableNode n = (ShutdownableNode) rp.getNodeAction(n1);
    n.getState().instantiateTo(0, Cause.Null);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getDuration(), 20);
    for (Action a : p) {
        if (a instanceof org.btrplace.plan.event.ForgeVM) {
            org.btrplace.plan.event.ForgeVM action = (org.btrplace.plan.event.ForgeVM) a;
            Assert.assertTrue(p.getResult().getMapping().isReady(vm1));
            Assert.assertEquals(action.getVM(), vm1);
            Assert.assertEquals(action.getEnd(), 7);
            Assert.assertEquals(action.getStart(), 0);
        }
    }
}

Example 3 with ReconfigurationProblem

use of org.btrplace.scheduler.choco.ReconfigurationProblem in project scheduler by btrplace.

the class ForgeVMTest method testBasics.

@Test
public void testBasics() throws SchedulerException {
    Model mo = new DefaultModel();
    final VM vm1 = mo.newVM();
    mo.getAttributes().put(vm1, "template", "small");
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.ForgeVM.class, new ConstantActionDuration<>(7));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(Collections.singleton(vm1), Collections.emptySet(), Collections.emptySet(), Collections.emptySet()).build();
    ForgeVM ma = (ForgeVM) rp.getVMAction(vm1);
    Assert.assertEquals(vm1, ma.getVM());
    Assert.assertEquals(ma.getTemplate(), "small");
    Assert.assertTrue(ma.getDuration().isInstantiatedTo(7));
    Assert.assertFalse(ma.getStart().isInstantiated());
    Assert.assertFalse(ma.getEnd().isInstantiated());
    Assert.assertTrue(ma.getState().isInstantiatedTo(0));
    Assert.assertNull(ma.getCSlice());
    Assert.assertNull(ma.getDSlice());
}

Example 4 with ReconfigurationProblem

use of org.btrplace.scheduler.choco.ReconfigurationProblem 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 5 with ReconfigurationProblem

use of org.btrplace.scheduler.choco.ReconfigurationProblem 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);
}