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

Example 56 with DefaultChocoScheduler

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

the class CShareableResourceTest method testMaintainResourceUsage.

@Test
public void testMaintainResourceUsage() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    mo.getMapping().on(n1).run(n1, vm1, vm2);
    ShareableResource rc = new ShareableResource("foo");
    rc.setConsumption(vm1, 5);
    rc.setConsumption(vm2, 7);
    rc.setCapacity(n1, 25);
    mo.attach(rc);
    ChocoScheduler s = new DefaultChocoScheduler();
    ReconfigurationPlan p = s.solve(mo, new ArrayList<>());
    Assert.assertNotNull(p);
    // And on the resulting plan.
    Model res = p.getResult();
    ShareableResource resRc = ShareableResource.get(res, rc.getResourceIdentifier());
    Assert.assertEquals(resRc.getConsumption(vm1), 5);
    Assert.assertEquals(resRc.getConsumption(vm2), 7);
}

Example 57 with DefaultChocoScheduler

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

the class CShareableResourceTest method testIssue170.

@Test
public void testIssue170() {
    String buf = "{\"model\": {\"mapping\": {\"readyVMs\": [],\"onlineNodes\": {\"0\": {\"sleepingVMs\": [],\"runningVMs\": []},\"1\": {\"sleepingVMs\": [],\"runningVMs\": []},\"2\": {\"sleepingVMs\": [],\"runningVMs\": [15, 14, 13, 12,11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0]},\"3\": {\"sleepingVMs\": [],\"runningVMs\": []}},\"offlineNodes\": []},\"attributes\": {\"nodes\": {},\"vms\": {\"11\": {\"migrate\": 1},\"12\": {\"migrate\": 1},\"13\": {\"migrate\": 1},\"14\": {\"migrate\": 1},\"15\": {\"migrate\": 1},\"0\": {\"migrate\": 1},\"1\": {\"migrate\": 1},\"2\": {\"migrate\": 1},\"3\": {\"migrate\": 1},\"4\": {\"migrate\": 1},\"5\": {\"migrate\": 1},\"6\": {\"migrate\": 2},\"7\": {\"migrate\": 1},\"8\": {\"migrate\": 1},\"9\": {\"migrate\": 1},\"10\": {\"migrate\": 1}}},\"views\": [{\"defConsumption\": 0,\"nodes\": {\"0\": 239094,\"1\": 111355,\"2\": 239725,\"3\": 110774},\"rcId\": \"memory\",\"id\": \"shareableResource\",\"defCapacity\": 0,\"vms\": {\"11\": 1082,\"12\": 1082,\"13\": 1082,\"14\": 1082,\"15\": 1082,\"0\": 1082,\"1\": 1082,\"2\": 1082,\"3\": 1082,\"4\": 1082,\"5\": 1082,\"6\": 1082,\"7\": 1082,\"8\": 1082,\"9\": 1082,\"10\": 1082}}, {\"defConsumption\": 0,\"nodes\": {\"0\": 63913,\"1\": 61663,\"2\": 67200,\"3\": 61620},\"rcId\": \"cpu\",\"id\": \"shareableResource\",\"defCapacity\": 0,\"vms\": {\"11\": 1271,\"12\": 1263,\"13\": 1257,\"14\": 1243,\"15\": 1253,\"0\": 1252,\"1\": 1238,\"2\": 1236,\"3\": 1253,\"4\": 1257,\"5\": 1244,\"6\": 1255,\"7\": 1251,\"8\": 1244,\"9\": 1240,\"10\": 1246}}, {\"defConsumption\": 0,\"nodes\": {\"0\": 7498,\"1\": 6854,\"2\": 7560,\"3\": 7560},\"rcId\": \"controller_cpu\",\"id\": \"shareableResource\",\"defCapacity\": 0,\"vms\": {\"11\": 431,\"12\": 435,\"13\": 432,\"14\": 423,\"15\": 430,\"0\": 430,\"1\": 420,\"2\": 425,\"3\": 430,\"4\": 429,\"5\": 425,\"6\": 431,\"7\": 429,\"8\": 424,\"9\": 426,\"10\": 428}}]},\"constraints\": [{\"rc\": \"cpu\",\"amount\": 26912,\"nodes\": [0],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"controller_cpu\",\"amount\": 5608,\"nodes\": [0],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"cpu\",\"amount\": 25093,\"nodes\": [1],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"controller_cpu\",\"amount\": 4964,\"nodes\": [1],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"cpu\",\"amount\": 29568,\"nodes\": [2],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"controller_cpu\",\"amount\": 5670,\"nodes\": [2],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"controller_cpu\",\"amount\": 516,\"vm\": 0,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 505,\"vm\": 1,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 510,\"vm\": 2,\"id\": \"preserve\"},{\"rc\": \"controller_cpu\",\"amount\": 516,\"vm\": 3,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 515,\"vm\": 4,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 510,\"vm\": 5,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 517,\"vm\": 6,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 515,\"vm\": 7,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 509,\"vm\": 8,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 511,\"vm\": 9,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 514,\"vm\": 10,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 517,\"vm\": 11,\"id\": \"preserve\"},{\"rc\": \"controller_cpu\",\"amount\": 522,\"vm\": 12,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 519,\"vm\": 13,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 508,\"vm\": 14,\"id\": \"preserve\"}, {\"rc\": \"controller_cpu\",\"amount\": 516,\"vm\": 15,\"id\": \"preserve\"}, {\"rc\": \"cpu\",\"amount\": 25059,\"nodes\": [3],\"continuous\": false,\"id\": \"resourceCapacity\"}, {\"rc\": \"controller_cpu\",\"amount\": 5670,\"nodes\": [3],\"continuous\": false,\"id\": \"resourceCapacity\"}],\"objective\": {\"id\": \"minimizeMigrations\"}}";
    Instance i = JSON.readInstance(new StringReader(buf));
    ChocoScheduler s = new DefaultChocoScheduler();
    ReconfigurationPlan plan = s.solve(i);
    Assert.assertNotNull(plan);
}

Example 58 with DefaultChocoScheduler

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

the class CShareableResourceTest method testRealNodeUsage.

/**
 * Place some VMs and check realNodeUsage is updated accordingly
 */
@Test
public void testRealNodeUsage() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    ma.addOnlineNode(n1);
    ma.addOnlineNode(n2);
    ma.addRunningVM(vm1, n1);
    ma.addRunningVM(vm2, n1);
    ShareableResource rc = new ShareableResource("foo", 0, 0);
    rc.setConsumption(vm1, 2);
    rc.setConsumption(vm2, 3);
    rc.setCapacity(n1, 5);
    rc.setCapacity(n2, 3);
    mo.attach(rc);
    ChocoScheduler s = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(new Fence(vm1, n1));
    cstrs.add(new Fence(vm2, n2));
    ReconfigurationPlan p = s.solve(mo, cstrs);
    Assert.assertNotNull(p);
    Model res = p.getResult();
    rc = (ShareableResource.get(res, "foo"));
    // rcm.getVirtualUsage(0).isInstantiatedTo(2));
    Assert.assertEquals(2, rc.getConsumption(vm1));
    // rcm.getVirtualUsage(1).isInstantiatedTo(3));
    Assert.assertEquals(3, rc.getConsumption(vm2));
}

Example 59 with DefaultChocoScheduler

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

the class CShareableResourceTest method testInitiallyUnsatisfied.

@Test
public void testInitiallyUnsatisfied() throws SchedulerException {
    Model mo = new DefaultModel();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    ShareableResource rc = new ShareableResource("cpu", 1, 1);
    VM v1 = mo.newVM();
    VM v2 = mo.newVM();
    mo.getMapping().addOnlineNode(n1);
    mo.getMapping().addOnlineNode(n2);
    mo.getMapping().addRunningVM(v1, n1);
    mo.getMapping().addRunningVM(v2, n1);
    mo.attach(rc);
    ChocoScheduler s = new DefaultChocoScheduler();
    try {
        Assert.assertNull(s.solve(mo, new ArrayList<>()));
        Assert.fail("Should have thrown an exception");
    } catch (@SuppressWarnings("unused") SchedulerException e) {
        Assert.assertEquals(s.getStatistics().getMetrics().backtracks(), 0);
    }
}

Example 60 with DefaultChocoScheduler

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

the class CShareableResourceTest method testMisplaced.

@Test
public void testMisplaced() throws SchedulerException {
    Model mo = new DefaultModel();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    ShareableResource rc = new ShareableResource("cpu", 10, 1);
    VM v1 = mo.newVM();
    VM v2 = mo.newVM();
    mo.getMapping().addOnlineNode(n1);
    mo.getMapping().addOnlineNode(n2);
    mo.getMapping().addRunningVM(v1, n1);
    mo.getMapping().addRunningVM(v2, n1);
    mo.attach(rc);
    List<SatConstraint> l = new ArrayList<>();
    l.addAll(Preserve.newPreserve(mo.getMapping().getAllVMs(), "cpu", 5));
    ChocoScheduler s = new DefaultChocoScheduler();
    s.doRepair(true);
    ReconfigurationPlan p = s.solve(mo, l);
    Assert.assertEquals(s.getStatistics().getNbManagedVMs(), 0);
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getResult().getMapping(), mo.getMapping());
    Assert.assertEquals(p.getSize(), 2);
}