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

Example 16 with DefaultChocoScheduler

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

the class CAmongTest method testWithNoSolution.

/**
 * No solution because constraints force to spread the VMs among 2 groups.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void testWithNoSolution() 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();
    Node n4 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2, n3, n4).run(n1, vm1).run(n2, vm2, vm3).ready(vm4, vm5);
    Set<VM> vms = new HashSet<>(Arrays.asList(vm1, vm2, vm5));
    Collection<Node> s = new HashSet<>(Arrays.asList(n1, n2));
    Collection<Node> s2 = new HashSet<>(Arrays.asList(n3, n4));
    Collection<Collection<Node>> pGrps = new HashSet<>(Arrays.asList(s, s2));
    Among a = new Among(vms, pGrps);
    a.setContinuous(false);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Running.newRunning(map.getAllVMs()));
    cstrs.add(new Fence(vm2, Collections.singleton(n3)));
    cstrs.add(new Fence(vm1, Collections.singleton(n1)));
    cstrs.add(a);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 17 with DefaultChocoScheduler

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

the class CAmongTest method testWithGroupChange.

@Test
public void testWithGroupChange() 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();
    Node n4 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2, n3, n4).run(n1, vm1).run(n2, vm2, vm3).ready(vm4, vm5);
    Set<VM> vms = new HashSet<>(Arrays.asList(vm1, vm2, vm5));
    Collection<Node> s1 = new HashSet<>(Arrays.asList(n1, n2));
    Collection<Node> s2 = new HashSet<>(Arrays.asList(n3, n4));
    Collection<Collection<Node>> pGrps = Arrays.asList(s1, s2);
    Among a = new Among(vms, pGrps);
    a.setContinuous(false);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Running.newRunning(map.getAllVMs()));
    cstrs.add(new Fence(vm2, s2));
    cstrs.add(a);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
// System.out.println(p);
// Assert.assertEquals(a.isSatisfied(p.getResult()), SatConstraint.Sat.SATISFIED);
}

Example 18 with DefaultChocoScheduler

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

the class CBanTest method testBasic.

@Test
public void testBasic() throws SchedulerException {
    Node[] nodes = new Node[5];
    VM[] vms = new VM[5];
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    Set<VM> sVMs = new HashSet<>();
    Set<Node> sNodes = new HashSet<>();
    for (int i = 0; i < vms.length; i++) {
        nodes[i] = mo.newNode();
        vms[i] = mo.newVM();
        m.addOnlineNode(nodes[i]);
        m.addRunningVM(vms[i], nodes[i]);
        if (i % 2 == 0) {
            sVMs.add(vms[i]);
            sNodes.add(nodes[i]);
        }
    }
    Ban b = new Ban(vms[0], sNodes);
    Collection<SatConstraint> s = new HashSet<>();
    s.add(b);
    s.addAll(Running.newRunning(m.getAllVMs()));
    s.addAll(Online.newOnline(m.getAllNodes()));
    DefaultChocoScheduler cra = new DefaultChocoScheduler();
    cra.setTimeLimit(-1);
    ReconfigurationPlan p = cra.solve(mo, s);
    Assert.assertNotNull(p);
    Assert.assertEquals(1, p.getSize());
}

Example 19 with DefaultChocoScheduler

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

the class CFenceTest method testBasic.

@Test
public void testBasic() 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();
    Mapping map = mo.getMapping().on(n1, n2, n3).run(n1, vm1, vm4).run(n2, vm2).run(n3, vm3);
    Set<Node> on = new HashSet<>(Arrays.asList(n1, n3));
    Fence f = new Fence(vm2, on);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(f);
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
    Assert.assertTrue(p.getSize() > 0);
    Assert.assertTrue(p.iterator().next() instanceof MigrateVM);
    // Assert.assertEquals(SatConstraint.Sat.SATISFIED, f.isSatisfied(p.getResult()));
    cstrs.add(new Ready(vm2));
    p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
    // Just the suspend of vm2
    Assert.assertEquals(1, p.getSize());
// Assert.assertEquals(SatConstraint.Sat.SATISFIED, f.isSatisfied(p.getResult()));
}

Example 20 with DefaultChocoScheduler

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

the class CGatherTest method testContinuousWithPartialRunning.

@Test
public void testContinuousWithPartialRunning() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Mapping map = mo.getMapping().ready(vm1).on(n1, n2).run(n2, vm2);
    Gather g = new Gather(map.getAllVMs());
    g.setContinuous(true);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Running.newRunning(map.getAllVMs()));
    cstrs.add(g);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = cra.solve(mo, cstrs);
    Assert.assertNotNull(plan);
}