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

Example 6 with ChocoScheduler

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

the class CShareableResourceTest method testWithFloat.

@Test
public void testWithFloat() 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().on(n1, n2).run(n1, vm1, vm2);
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("foo");
    rc.setCapacity(n1, 32);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 2);
    mo.attach(rc);
    ChocoScheduler cra = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    Overbook o = new Overbook(n1, "foo", 1.5, false);
    cstrs.add(o);
    Overbook o2 = new Overbook(n2, "foo", 1.5, false);
    cstrs.add(o2);
    cstrs.add(new Preserve(vm1, "foo", 5));
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
}

Example 7 with ChocoScheduler

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

the class CShareableResourceTest method testEmpty.

// Issue124
@Test
public void testEmpty() throws SchedulerException {
    String buf = "{\"model\":{\"mapping\":{\"readyVMs\":[],\"onlineNodes\":{\"0\":{\"sleepingVMs\":[],\"runningVMs\":[1,0]},\"1\":{\"sleepingVMs\":[],\"runningVMs\":[]}},\"offlineNodes\":[]},\"attributes\":{\"nodes\":{},\"vms\":{}},\"views\":[{\"defConsumption\":0,\"nodes\":{},\"rcId\":\"CPU\",\"id\":\"shareableResource\",\"defCapacity\":0,\"vms\":{}}]},\"constraints\":[{\"continuous\":false,\"id\":\"spread\",\"vms\":[0,1]}],\"objective\":{\"id\":\"minimizeMTTR\"}}";
    Instance i = JSON.readInstance(new StringReader(buf));
    ChocoScheduler s = new DefaultChocoScheduler();
    ReconfigurationPlan p = s.solve(i);
    Assert.assertNotNull(p);
}

Example 8 with ChocoScheduler

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

the class Decommissionning method run.

@Override
public void run() {
    int ratio = 1;
    int nbPCPUs = 4;
    int nbNodes = 2;
    // The current DC
    Model mo = new DefaultModel();
    for (int i = 0; i < nbNodes; i++) {
        Node n = mo.newNode();
        mo.getMapping().addOnlineNode(n);
        // 4 VMs per node
        for (int j = 0; j < ratio * nbPCPUs; j++) {
            VM v = mo.newVM();
            mo.getMapping().addRunningVM(v, n);
        }
    }
    // Resource allocation
    ShareableResource rc = new ShareableResource("cpu", 8, 1);
    mo.attach(rc);
    // The new DC
    for (int i = 0; i < nbNodes; i++) {
        Node n = mo.newNode();
        mo.getMapping().addOfflineNode(n);
        rc.setCapacity(n, 10);
    }
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Offline.newOffline(mo.getMapping().getOnlineNodes()));
    MaxOnline m = new MaxOnline(mo.getMapping().getAllNodes(), nbNodes + 1, true);
    cstrs.add(m);
    ChocoScheduler cra = new DefaultChocoScheduler();
    cra.setMaxEnd(3);
    cra.setVerbosity(1);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    System.out.println(p);
    System.out.println(cra.getStatistics());
}

Example 9 with ChocoScheduler

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

the class GettingStarted method run.

@Override
public void run() {
    Model model = makeModel();
    List<SatConstraint> cstrs = makeConstraints();
    ChocoScheduler ra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = ra.solve(model, cstrs);
    if (plan != null) {
        System.out.println("Time-based plan:");
        System.out.println(new TimeBasedPlanApplier().toString(plan));
        System.out.println("\nDependency based plan:");
        System.out.println(new DependencyBasedPlanApplier().toString(plan));
    }
}

Example 10 with ChocoScheduler

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

the class ModelCustomization method run.

@Override
public void run() {
    Model model = makeModel();
    List<SatConstraint> cstrs = makeConstraints(model);
    // Set attributes for the VMs
    Attributes attrs = model.getAttributes();
    for (VM vm : model.getMapping().getAllVMs()) {
        attrs.put(vm, "template", vm.id() % 2 == 0 ? "small" : "large");
        attrs.put(vm, "clone", true);
        attrs.put(vm, "forge", vm.id() % 2 == 0 ? 2 : 10);
    // forge == 2 && template == small  for vm0, vm2, vm4, vm6, vm8
    // forge == 10 && template == large for vm1, vm3, vm5, vm7, vm9
    }
    // Change the duration evaluator for MigrateVM action
    ChocoScheduler cra = new DefaultChocoScheduler();
    DurationEvaluators dev = cra.getDurationEvaluators();
    dev.register(MigrateVM.class, new LinearToAResourceActionDuration<VM>("mem", 2, 3));
    dev.register(BootVM.class, new ConstantActionDuration<>(1));
    dev.register(ShutdownVM.class, new ConstantActionDuration<>(1));
    // Relocate VM4:
    // using a migration: (2 * mem + 3) = (2 * 2 + 3) = 7 sec.
    // using a re-instantiation: forge + boot + shutdown = 2 + 1 + 1 = 4 sec.
    // Relocate VM5:
    // using a migration: (2 * mem + 3) = (2 * 3 + 3) = 9 sec.
    // using a re-instantiation: forge + boot + shutdown = 10 + 1 + 1 = 12 sec.
    cra.doOptimize(true);
    ReconfigurationPlan plan = cra.solve(model, cstrs);
    System.out.println(plan);
}