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

Example 21 with MinMTTR

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

the class CSplitTest method testGetMisplaced.

@Test
public void testGetMisplaced() {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    VM vm5 = mo.newVM();
    VM vm6 = mo.newVM();
    VM vm7 = mo.newVM();
    VM vm8 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    Node n4 = mo.newNode();
    Node n5 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2, n3, n4, n5).run(n1, vm1, vm2).run(n2, vm3).run(n3, vm4, vm5).run(n4, vm6).run(n5, vm7, vm8);
    Collection<VM> g1 = Arrays.asList(vm1, vm2);
    Collection<VM> g2 = new HashSet<>(Arrays.asList(vm3, vm4, vm5));
    Collection<VM> g3 = new HashSet<>(Arrays.asList(vm6, vm7));
    Collection<Collection<VM>> grps = Arrays.asList(g1, g2, g3);
    Split s = new Split(grps);
    CSplit cs = new CSplit(s);
    Instance i = new Instance(mo, Collections.emptyList(), new MinMTTR());
    Assert.assertTrue(cs.getMisPlacedVMs(i).isEmpty());
    map.addRunningVM(vm5, n1);
    Set<VM> bad = cs.getMisPlacedVMs(i);
    Assert.assertEquals(bad.size(), 3);
    Assert.assertTrue(bad.contains(vm1) && bad.contains(vm2) && bad.contains(vm5));
    map.addRunningVM(vm6, n3);
    bad = cs.getMisPlacedVMs(i);
    Assert.assertTrue(bad.contains(vm4) && bad.contains(vm5) && bad.contains(vm6));
}

Example 22 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR 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 23 with MinMTTR

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

the class CResourceCapacityTest method testGetMisplaced.

@Test
public void testGetMisplaced() {
    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();
    Mapping m = mo.getMapping().on(n1, n2, n3).run(n1, vm1, vm2, vm3).run(n2, vm4).ready(vm5);
    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, 5);
    mo.attach(rc);
    ResourceCapacity c = new ResourceCapacity(m.getAllNodes(), "cpu", 10);
    CResourceCapacity cc = new CResourceCapacity(c);
    Instance i = new Instance(mo, Collections.emptyList(), new MinMTTR());
    Assert.assertTrue(cc.getMisPlacedVMs(i).isEmpty());
    m.addRunningVM(vm5, n3);
    Assert.assertEquals(cc.getMisPlacedVMs(i), m.getAllVMs());
}

Example 24 with MinMTTR

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

the class CResourceCapacityTest method testCapacityEstimation.

/**
 * Test how CResourceCapacity notifies the view about the future capacity.
 */
@Test
public void testCapacityEstimation() {
    final Model mo = new DefaultModel();
    final Node n0 = mo.newNode();
    final Node n1 = mo.newNode();
    final VM vm = mo.newVM();
    final ShareableResource cpu = new ShareableResource("cpu");
    mo.attach(cpu);
    cpu.setCapacity(n0, 5).setCapacity(n1, 7);
    cpu.setConsumption(vm, 3);
    mo.getMapping().on(n0, n1).ready(vm);
    final List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(new Running(vm));
    final Instance i = new Instance(mo, cstrs, new MinMTTR());
    // Because of the worst-fit approach, the VM will go on n1 which has the
    // highest capacity.
    final ChocoScheduler sched = new DefaultChocoScheduler();
    ReconfigurationPlan res = sched.solve(i);
    Assert.assertEquals(n1, res.getResult().getMapping().getVMLocation(vm));
    // With a ResourceCapacity, we restrict n1 so that now n0 is the node
    // that will have the highest capacity. So the wort-fit approach inside
    // MinMTTR() should pick n0.
    i.getSatConstraints().add(new ResourceCapacity(n1, "cpu", 4));
    res = sched.solve(i);
    Assert.assertEquals(n0, res.getResult().getMapping().getVMLocation(vm));
}

Example 25 with MinMTTR

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

the class InstanceTest method testEqualsAndHashcode.

@Test
public void testEqualsAndHashcode() {
    Model mo = new DefaultModel();
    List<Node> ns = Util.newNodes(mo, 10);
    List<VM> vms = Util.newVMs(mo, 10);
    Mapping ma = mo.getMapping();
    ma.addOnlineNode(ns.get(0));
    ma.addOfflineNode(ns.get(0));
    ma.addReadyVM(vms.get(0));
    List<SatConstraint> cstrs = new ArrayList<>(Online.newOnline(ma.getAllNodes()));
    cstrs.add(new Running(vms.get(0)));
    Instance i = new Instance(mo, cstrs, new MinMTTR());
    Instance i2 = new Instance(mo.copy(), new ArrayList<>(cstrs), new MinMTTR());
    Assert.assertEquals(i, i2);
    Assert.assertEquals(i, i);
    Assert.assertNotEquals(i, null);
    Assert.assertNotEquals(ma, i);
    Assert.assertEquals(i.hashCode(), i2.hashCode());
    i2.getModel().getMapping().addReadyVM(vms.get(2));
    Assert.assertNotEquals(i, i2);
}