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

Example 1 with ChocoScheduler

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

the class CRunningCapacityTest method testFeasibleContinuousResolution.

@Test
public void testFeasibleContinuousResolution() 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).ready(vm5);
    Set<Node> on = new HashSet<>(Arrays.asList(n1, n2));
    List<SatConstraint> l = new ArrayList<>();
    l.add(new Running(vm5));
    l.add(new Fence(vm5, Collections.singleton(n1)));
    org.btrplace.model.constraint.RunningCapacity x = new org.btrplace.model.constraint.RunningCapacity(on, 4);
    x.setContinuous(true);
    l.add(x);
    ChocoScheduler cra = new DefaultChocoScheduler();
    cra.getDurationEvaluators().register(ShutdownVM.class, new ConstantActionDuration<>(10));
    ReconfigurationPlan plan = cra.solve(mo, l);
    Assert.assertNotNull(plan);
    Assert.assertEquals(plan.getSize(), 2);
}

Example 2 with ChocoScheduler

use of org.btrplace.scheduler.choco.ChocoScheduler 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 3 with ChocoScheduler

use of org.btrplace.scheduler.choco.ChocoScheduler 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 4 with ChocoScheduler

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

the class CAmongTest method testContinuousWithNotAlreadySatisfied.

@Test
public void testContinuousWithNotAlreadySatisfied() 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).run(n3, 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 = new HashSet<>(Arrays.asList(s1, s2));
    Among a = new Among(vms, pGrps);
    a.setContinuous(true);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Running.newRunning(map.getAllVMs()));
    cstrs.add(new Fence(vm2, Collections.singleton(n3)));
    cstrs.add(a);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 5 with ChocoScheduler

use of org.btrplace.scheduler.choco.ChocoScheduler 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()));
}