Examples with Spread org.btrplace.model.constraint.Spread used on opensource projects

Example 1 with Spread

use of org.btrplace.model.constraint.Spread 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 2 with Spread

use of org.btrplace.model.constraint.Spread 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 3 with Spread

use of org.btrplace.model.constraint.Spread in project scheduler by btrplace.

the class Bench method makeApp.

private static int makeApp(Instance i, int remainder, List<Collection<Node>> edges) {
    int curMax = Math.min(remainder, 30);
    if (remainder - 30 < 6) {
        curMax = remainder / 2;
    } else {
        curMax = Math.min(curMax, rnd.nextInt(30 - 6) + 6);
    }
    // at least 2 VMs, at most max - 4 (2 per tiers)
    int nbT1 = curMax == 6 ? 2 : rnd.nextInt(curMax - 4 - 2) + 2;
    curMax -= nbT1;
    int nbT2 = curMax == 4 ? 2 : rnd.nextInt(curMax - 2 - 2) + 2;
    int nbT3 = curMax - nbT2;
    int nbVMs = nbT1 + nbT2 + nbT3;
    Model mo = i.getModel();
    Set<VM> t1 = makeVMSet(mo, nbT1);
    Set<VM> t2 = makeVMSet(mo, nbT2);
    Set<VM> t3 = makeVMSet(mo, nbT3);
    // Make the constraints
    i.getSatConstraints().add(new Spread(t1, true));
    i.getSatConstraints().add(new Spread(t2, true));
    i.getSatConstraints().add(new Spread(t3, true));
    i.getSatConstraints().add(new Among(t3, edges, false));
    // Place the VMs
    // Pick a random edge, and place every VMs on it
    int myEdge = rnd.nextInt(edges.size());
    Collection<Node> nodes = edges.get(myEdge);
    Node n = nodes.iterator().next();
    t1.stream().map(v -> mo.getMapping().addRunningVM(v, n));
    t2.stream().map(v -> mo.getMapping().addRunningVM(v, n));
    t3.stream().map(v -> mo.getMapping().addRunningVM(v, n));
    return nbVMs;
}

Example 4 with Spread

use of org.btrplace.model.constraint.Spread in project scheduler by btrplace.

the class ChocoMapperTest method testMap.

@Test(dependsOnMethods = { "testInstantiate" })
public void testMap() {
    Model mo = new DefaultModel();
    ChocoMapper map = ChocoMapper.newBundle();
    Spread s = new Spread(Collections.singleton(mo.newVM()));
    ChocoConstraint c = map.get(s);
    Assert.assertTrue(c.getClass().equals(CSpread.class));
    map.unMapConstraint(Spread.class);
    map.mapConstraint(Spread.class, CSpread.class);
    c = map.get(s);
    Assert.assertTrue(c.getClass().equals(CSpread.class));
}

Example 5 with Spread

use of org.btrplace.model.constraint.Spread in project scheduler by btrplace.

the class CMinMigrationsTest method testWithFreeNodes.

/**
 * Issue #137.
 * ShutdownableNode.isOnline() is not instantiated at the end of the problem
 */
@Test
public void testWithFreeNodes() {
    Model mo = new DefaultModel();
    Node n0 = mo.newNode();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    VM v1 = mo.newVM();
    VM v2 = mo.newVM();
    DefaultChocoScheduler s = new DefaultChocoScheduler();
    mo.getMapping().on(n0, n1, n2).run(n0, v1, v2);
    Instance i = new Instance(mo, Arrays.asList(new Spread(mo.getMapping().getAllVMs(), false)), new MinMigrations());
    ReconfigurationPlan p = s.solve(i);
    Assert.assertNotNull(p);
}