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

Example 76 with ChocoScheduler

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

the class CSplitAmongTest method testDiscreteWithGroupChange.

@Test
public void testDiscreteWithGroupChange() 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(false);
    // Move group of VMs 1 to the group of nodes 2. This is allowed
    // group of VMs 2 will move to another group of node so at the end, the constraint should be satisfied
    cstrs.add(s);
    for (VM v : vg1) {
        cstrs.add(new Fence(v, pg2));
    }
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = cra.solve(mo, cstrs);
    Assert.assertNotNull(plan);
}

Example 77 with ChocoScheduler

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

the class CSplitTest method testContinuous.

// @Test
@Test(enabled = false)
public void testContinuous() 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, vm2).run(n3, vm3, vm4, vm5).run(n5, vm6, 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);
    s.setContinuous(true);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(s);
    // go away before the other arrive.
    for (VM v : map.getRunningVMs(n1)) {
        cstrs.add(new Fence(v, Collections.singleton(n3)));
    }
    // cra.setTimeLimit(2);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
    Assert.assertTrue(p.getSize() > 0);
}

Example 78 with ChocoScheduler

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

the class CSpreadTest method testSeparateWithContinuous.

/**
 * 2 VMs are already hosted on a same node, check
 * if separation is working in continuous mode
 */
@Test
public void testSeparateWithContinuous() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    mo.getMapping().on(n1, n2).run(n1, vm1, vm2);
    List<SatConstraint> cstr = new ArrayList<>();
    ChocoScheduler cra = new DefaultChocoScheduler();
    Spread s = new Spread(mo.getMapping().getAllVMs());
    s.setContinuous(true);
    cstr.add(s);
    cstr.addAll(Online.newOnline(mo.getMapping().getAllNodes()));
    cstr.add(new Fence(vm1, Collections.singleton(n2)));
    ReconfigurationPlan p = cra.solve(mo, cstr);
    Assert.assertNull(p);
}

Example 79 with ChocoScheduler

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

the class CSpreadTest method testContinuous.

@Test
public void testContinuous() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1).run(n2, vm2);
    List<SatConstraint> cstr = new ArrayList<>();
    ChocoScheduler cra = new DefaultChocoScheduler();
    cstr.add(new Spread(mo.getMapping().getAllVMs(), true));
    cstr.addAll(Online.newOnline(mo.getMapping().getAllNodes()));
    cstr.add(new Fence(vm1, Collections.singleton(n2)));
    ReconfigurationPlan p = cra.solve(mo, cstr);
    Assert.assertNotNull(p);
    System.err.println(p);
    Mapping res = p.getResult().getMapping();
    Assert.assertEquals(2, p.getSize());
    Assert.assertNotSame(res.getVMLocation(vm1), res.getVMLocation(vm2));
}

Example 80 with ChocoScheduler

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

the class CMinMigrationsTest method testNtnx.

@Test
public void testNtnx() {
    String root = "src/test/resources/min-migrations.json";
    Instance i = JSON.readInstance(new File(root));
    i = new Instance(i.getModel(), i.getSatConstraints(), new MinMigrations());
    ChocoScheduler s = new DefaultChocoScheduler();
    s.doOptimize(true);
    ReconfigurationPlan p = s.solve(i);
    Assert.assertNotNull(p);
    System.out.println(s.getStatistics());
    System.out.println(p);
    Assert.assertEquals(p.getActions().stream().filter(x -> x instanceof MigrateVM).count(), 1);
    Assert.assertEquals(3, p.getDuration());
}