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

Example 31 with ChocoScheduler

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

the class CRunningCapacityTest method testIssue112.

@Test
public void testIssue112() throws Exception {
    String buf = "{\"model\":{\"mapping\":{\"readyVMs\":[],\"onlineNodes\":{\"0\":{\"sleepingVMs\":[],\"runningVMs\":[0]},\"1\":{\"sleepingVMs\":[],\"runningVMs\":[2,1]},\"2\":{\"sleepingVMs\":[],\"runningVMs\":[]}},\"offlineNodes\":[]},\"attributes\":{\"nodes\":{},\"vms\":{}},\"views\":[]},\"constraints\":[{\"vm\":0,\"continuous\":false,\"id\":\"running\"},{\"vm\":1,\"continuous\":false,\"id\":\"running\"},{\"vm\":2,\"continuous\":false,\"id\":\"running\"},{\"amount\":2,\"nodes\":[0],\"continuous\":false,\"id\":\"runningCapacity\"},{\"amount\":1,\"nodes\":[1],\"continuous\":false,\"id\":\"runningCapacity\"},{\"amount\":0,\"nodes\":[2],\"continuous\":false,\"id\":\"runningCapacity\"},{\"continuous\":false,\"parts\":[[0,1,2]],\"id\":\"among\",\"vms\":[0]},{\"continuous\":false,\"parts\":[[0,1,2]],\"id\":\"among\",\"vms\":[1]},{\"continuous\":false,\"parts\":[[0,1,2]],\"id\":\"among\",\"vms\":[2]}],\"objective\":{\"id\":\"minimizeMTTR\"}}";
    Instance i = JSON.readInstance(new StringReader(buf));
    List<SatConstraint> l = i.getSatConstraints().stream().filter(s -> !(s instanceof Among)).collect(Collectors.toList());
    ChocoScheduler s = new DefaultChocoScheduler();
    i = new Instance(i.getModel(), l, new MinMTTR());
    ReconfigurationPlan p = s.solve(i);
    Assert.assertNotNull(p);
}

Example 32 with ChocoScheduler

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

the class CSeqTest method testWithVMsWithNoTransitions.

@Test
public void testWithVMsWithNoTransitions() 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();
    mo.getMapping().on(n1, n2).ready(vm1).run(n1, vm2, vm4).run(n2, vm3);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(new Running(vm1));
    cstrs.add(new Running(vm2));
    cstrs.add(new Running(vm3));
    cstrs.add(new Ready(vm4));
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<VM> seq = Arrays.asList(vm1, vm2, vm3, vm4);
    cstrs.add(new Seq(seq));
    ReconfigurationPlan plan = cra.solve(mo, cstrs);
    Assert.assertNotNull(plan);
// System.out.println(plan);
}

Example 33 with ChocoScheduler

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

the class CSplitAmongTest method testContinuousWithGroupChange.

@Test
public void testContinuousWithGroupChange() 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();
    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, vm3).run(n2, vm2).run(n3, vm4, vm6).run(n4, vm5).run(n5, vm7);
    // Isolated VM not considered by the constraint
    map.addRunningVM(vm8, n1);
    Collection<VM> vg1 = new HashSet<>(Arrays.asList(vm1, vm2, vm3));
    Collection<VM> vg2 = new HashSet<>(Arrays.asList(vm4, vm5, vm6));
    Collection<Node> pg1 = new HashSet<>(Arrays.asList(n1, n2));
    Collection<Node> pg2 = new HashSet<>(Arrays.asList(n3, n4));
    Collection<Node> pg3 = new HashSet<>(Collections.singletonList(n5));
    Collection<Collection<VM>> vgs = new HashSet<>(Arrays.asList(vg1, vg2));
    Collection<Collection<Node>> pgs = new HashSet<>(Arrays.asList(pg1, pg2, pg3));
    List<SatConstraint> cstrs = new ArrayList<>();
    SplitAmong s = new SplitAmong(vgs, pgs);
    s.setContinuous(true);
    // Move group of VMs 1 to the group of nodes 2. Cannot work as
    // the among part of the constraint will be violated
    cstrs.add(s);
    for (VM v : vg1) {
        cstrs.add(new Fence(v, pg2));
    }
    ChocoScheduler cra = new DefaultChocoScheduler();
    Assert.assertNull(cra.solve(mo, cstrs));
}

Example 34 with ChocoScheduler

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

the class CSplitAmongTest method testDiscrete.

@Test
public void testDiscrete() 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();
    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, vm3).run(n2, vm2).run(n3, vm4, vm6).run(n4, vm5).run(n5, vm7);
    // Isolated VM not considered by the constraint
    map.addRunningVM(vm8, n1);
    Collection<VM> vg1 = new HashSet<>(Arrays.asList(vm1, vm2, vm3));
    Collection<VM> vg2 = new HashSet<>(Arrays.asList(vm4, vm5, vm6));
    Collection<VM> vg3 = new HashSet<>(Collections.singletonList(vm7));
    Collection<Node> pg1 = new HashSet<>(Arrays.asList(n1, n2));
    Collection<Node> pg2 = new HashSet<>(Arrays.asList(n3, n4));
    Collection<Node> pg3 = new HashSet<>(Collections.singletonList(n5));
    Collection<Collection<VM>> vgs = new HashSet<>(Arrays.asList(vg1, vg2, vg3));
    Collection<Collection<Node>> pgs = new HashSet<>(Arrays.asList(pg1, pg2, pg3));
    SplitAmong s = new SplitAmong(vgs, pgs);
    s.setContinuous(false);
    // vg1 and vg2 overlap on n2. The two groups are mis-placed
    map.addRunningVM(vm6, n2);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, Collections.singleton(s));
    Assert.assertNotNull(p);
    Assert.assertTrue(p.getSize() > 0);
}

Example 35 with ChocoScheduler

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

the class CSplitTest method testSimpleDiscrete.

@Test
public void testSimpleDiscrete() 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();
    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();
    mo.getMapping().on(n1, n2, n3, n4, n5).run(n1, vm1, vm2, vm3).run(n3, vm4, vm5, vm6).run(n5, vm7, vm8);
    Collection<VM> g1 = Arrays.asList(vm1, vm2);
    Collection<VM> g2 = Arrays.asList(vm3, vm4, vm5);
    Collection<VM> g3 = Arrays.asList(vm6, vm7);
    Collection<Collection<VM>> grps = Arrays.asList(g1, g2, g3);
    Split s = new Split(grps);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, Collections.singleton(s));
    Assert.assertNotNull(p);
    Assert.assertTrue(p.getSize() > 0);
}