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

Example 26 with DefaultChocoScheduler

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

the class COfflineTest method testUnsolvableProblem.

@Test
public void testUnsolvableProblem() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    mo.getMapping().on(n1).run(n1, vm1);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = cra.solve(mo, Collections.singleton(new Offline(n1)));
    Assert.assertNull(plan);
    SolvingStatistics stats = cra.getStatistics();
    Assert.assertTrue(stats.completed());
}

Example 27 with DefaultChocoScheduler

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

the class COfflineTest method simpleTest.

/**
 * Simple test, no VMs.
 */
@Test
public void simpleTest() throws SchedulerException {
    Model model = new DefaultModel();
    Node n1 = model.newNode();
    Node n2 = model.newNode();
    Mapping map = model.getMapping().on(n1, n2);
    DefaultChocoScheduler cra = new DefaultChocoScheduler();
    cra.getDurationEvaluators().register(ShutdownNode.class, new ConstantActionDuration<>(10));
    cra.setTimeLimit(-1);
    ReconfigurationPlan plan = cra.solve(model, Offline.newOffline(map.getAllNodes()));
    Assert.assertNotNull(plan);
    Assert.assertEquals(plan.getSize(), 2);
    Assert.assertEquals(plan.getDuration(), 10);
    Model res = plan.getResult();
    Assert.assertEquals(res.getMapping().getOfflineNodes().size(), 2);
}

Example 28 with DefaultChocoScheduler

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

the class COverbookTest method testBasic.

@Test
public void testBasic() throws SchedulerException {
    Node[] nodes = new Node[2];
    VM[] vms = new VM[3];
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    org.btrplace.model.view.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);
    Overbook o = new Overbook(nodes[0], "cpu", 2);
    Overbook o2 = new Overbook(nodes[1], "cpu", 2);
    Collection<SatConstraint> c = new HashSet<>();
    c.add(o);
    c.add(o2);
    c.addAll(Running.newRunning(m.getAllVMs()));
    c.add(new Preserve(vms[0], "cpu", 1));
    c.addAll(Online.newOnline(m.getAllNodes()));
    DefaultChocoScheduler cra = new DefaultChocoScheduler();
    cra.getMapper().mapConstraint(Overbook.class, COverbook.class);
    ReconfigurationPlan p = cra.solve(mo, c);
    Assert.assertNotNull(p);
}

Example 29 with DefaultChocoScheduler

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

the class COverbookTest method testWithIncrease.

/**
 * Test with a root VM that has increasing need and another one that prevent it
 * to get the resources immediately
 */
@Test
public void testWithIncrease() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Mapping map = mo.getMapping().on(n1).run(n1, vm1, vm2);
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("foo");
    rc.setCapacity(n1, 5);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 2);
    mo.attach(rc);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    Overbook o = new Overbook(n1, "foo", 1);
    o.setContinuous(true);
    cstrs.add(o);
    cstrs.add(new Ready(vm2));
    cstrs.add(new Preserve(vm1, "foo", 5));
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getSize(), 2);
    Action al = p.getActions().stream().filter(s -> s instanceof Allocate).findAny().get();
    Action sh = p.getActions().stream().filter(s -> s instanceof ShutdownVM).findAny().get();
    Assert.assertTrue(sh.getEnd() <= al.getStart());
}

Example 30 with DefaultChocoScheduler

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

the class COverbookTest method testNoSolution.

@Test
public void testNoSolution() throws SchedulerException {
    Node[] nodes = new Node[2];
    VM[] vms = new VM[7];
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    ShareableResource rcMem = new ShareableResource("mem");
    for (int i = 0; i < vms.length; i++) {
        if (i < nodes.length) {
            nodes[i] = mo.newNode();
            rcMem.setCapacity(nodes[i], 3);
            m.addOnlineNode(nodes[i]);
        }
        vms[i] = mo.newVM();
        rcMem.setConsumption(vms[i], 1);
        m.addReadyVM(vms[i]);
    }
    mo.attach(rcMem);
    Collection<SatConstraint> c = new HashSet<>();
    c.add(new Overbook(nodes[0], "mem", 1));
    c.add(new Overbook(nodes[1], "mem", 1));
    c.addAll(Running.newRunning(m.getAllVMs()));
    for (VM v : vms) {
        c.add(new Preserve(v, "mem", 1));
    }
    ChocoScheduler cra = new DefaultChocoScheduler();
    cra.getDurationEvaluators().register(BootVM.class, new LinearToAResourceActionDuration<VM>("mem", 2, 3));
    Assert.assertNull(cra.solve(mo, c));
}