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

Example 31 with DefaultChocoScheduler

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

the class COverbookTest method testMultipleOverbook.

/**
 * One overbook factor per node.
 *
 * @throws org.btrplace.scheduler.SchedulerException should not occur
 */
@Test
public void testMultipleOverbook() throws SchedulerException {
    Node[] nodes = new Node[3];
    VM[] vms = new VM[11];
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    ShareableResource rcCPU = new ShareableResource("cpu");
    for (int i = 0; i < vms.length; i++) {
        if (i < nodes.length) {
            nodes[i] = mo.newNode();
            rcCPU.setCapacity(nodes[i], 2);
            m.addOnlineNode(nodes[i]);
        }
        vms[i] = mo.newVM();
        rcCPU.setConsumption(vms[i], 1);
        m.addReadyVM(vms[i]);
    }
    mo.attach(rcCPU);
    Collection<SatConstraint> c = new HashSet<>();
    c.add(new Overbook(nodes[0], "cpu", 1));
    c.add(new Overbook(nodes[1], "cpu", 2));
    c.add(new Overbook(nodes[2], "cpu", 3));
    c.addAll(Running.newRunning(m.getAllVMs()));
    c.add(new Preserve(vms[0], "cpu", 1));
    DefaultChocoScheduler cra = new DefaultChocoScheduler();
    cra.setTimeLimit(-1);
    ReconfigurationPlan p = cra.solve(mo, c);
    Assert.assertNotNull(p);
/*for (SatConstraint cstr : c) {
            Assert.assertEquals(SatConstraint.Sat.SATISFIED, cstr.isSatisfied(p.getResult()));
        } */
}

Example 32 with DefaultChocoScheduler

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

the class CQuarantineTest method testWithNoSolution2.

/**
 * A VM try to leave the quarantine zone.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void testWithNoSolution2() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1).run(n2, vm2, vm3).run(n3, vm4);
    Quarantine q = new Quarantine(n2);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(q);
    cstrs.add(new Fence(vm1, Collections.singleton(n2)));
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 33 with DefaultChocoScheduler

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

the class CQuarantineTest method testWithNoSolution1.

/**
 * A VM try to come into the quarantine zone.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void testWithNoSolution1() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1).run(n2, vm2, vm3).run(n3, vm4);
    Quarantine q = new Quarantine(n1);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(q);
    cstrs.add(new Fence(vm4, Collections.singleton(n1)));
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 34 with DefaultChocoScheduler

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

the class CResourceCapacityTest method testDiscreteSatisfaction.

@Test
public void testDiscreteSatisfaction() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    VM vm5 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1, vm2).run(n2, vm3, vm4, vm5);
    Set<Node> on = new HashSet<>(Arrays.asList(n1, n2));
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("cpu", 5, 5);
    rc.setConsumption(vm1, 2);
    rc.setConsumption(vm2, 3);
    rc.setConsumption(vm3, 3);
    rc.setConsumption(vm4, 1);
    rc.setConsumption(vm5, 1);
    mo.attach(rc);
    List<SatConstraint> l = new ArrayList<>();
    ResourceCapacity x = new ResourceCapacity(on, "cpu", 9);
    x.setContinuous(false);
    l.add(x);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = cra.solve(mo, l);
    Assert.assertNotNull(plan);
    Assert.assertTrue(plan.getSize() > 0);
}

Example 35 with DefaultChocoScheduler

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

the class CResourceCapacityTest method testDiscreteUnsolvable.

@Test
public void testDiscreteUnsolvable() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    mo.getMapping().on(n1).run(n1, vm1, vm2);
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("cpu", 5, 5);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 2);
    mo.attach(rc);
    ResourceCapacity s = new ResourceCapacity(n1, "cpu", 3);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, Collections.singleton(s));
    Assert.assertNull(p);
}