Examples with ReconfigurationPlan org.btrplace.plan.ReconfigurationPlan used on opensource projects

Example 36 with ReconfigurationPlan

use of org.btrplace.plan.ReconfigurationPlan in project scheduler by btrplace.

the class ShutdownableNodeTest method testForcedOffline.

@Test
public void testForcedOffline() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    Node n1 = mo.newNode();
    map.addOnlineNode(n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(ShutdownNode.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).build();
    ShutdownableNode ma = (ShutdownableNode) rp.getNodeAction(n1);
    ma.getState().instantiateTo(0, Cause.Null);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Assert.assertEquals(ma.getDuration().getValue(), 5);
    Assert.assertEquals(ma.getStart().getValue(), 0);
    Assert.assertEquals(ma.getEnd().getValue(), 5);
    Assert.assertEquals(ma.getHostingStart().getValue(), 0);
    Assert.assertEquals(ma.getHostingEnd().getValue(), 0);
    Assert.assertEquals(p.getSize(), 1);
    Model res = p.getResult();
    Assert.assertTrue(res.getMapping().getOfflineNodes().contains(n1));
}

Example 37 with ReconfigurationPlan

use of org.btrplace.plan.ReconfigurationPlan in project scheduler by btrplace.

the class SuspendVMTest method testSuspendSequences.

/**
 * Test that check that the action duration is lesser than
 * the cSlice duration. This allows actions scheduling
 * In practice, for this test, 2 suspend actions have to be executed sequentially
 */
@Test
public void testSuspendSequences() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Mapping map = mo.getMapping();
    map.addOnlineNode(n1);
    map.addRunningVM(vm1, n1);
    map.addRunningVM(vm2, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.SuspendVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), new HashSet<>(), map.getAllVMs(), new HashSet<>()).build();
    SuspendVM m1 = (SuspendVM) rp.getVMActions().get(rp.getVM(vm1));
    SuspendVM m2 = (SuspendVM) rp.getVMActions().get(rp.getVM(vm2));
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    org.chocosolver.solver.Model csp = rp.getModel();
    csp.post(csp.arithm(m2.getStart(), ">=", m1.getEnd()));
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Iterator<Action> ite = p.iterator();
    org.btrplace.plan.event.SuspendVM b1 = (org.btrplace.plan.event.SuspendVM) ite.next();
    org.btrplace.plan.event.SuspendVM b2 = (org.btrplace.plan.event.SuspendVM) ite.next();
    Assert.assertEquals(vm1, b1.getVM());
    Assert.assertEquals(vm2, b2.getVM());
    Assert.assertTrue(b1.getEnd() <= b2.getStart());
    Assert.assertEquals(5, b1.getEnd() - b1.getStart());
    Assert.assertEquals(5, b2.getEnd() - b2.getStart());
}

Example 38 with ReconfigurationPlan

use of org.btrplace.plan.ReconfigurationPlan in project scheduler by btrplace.

the class SuspendVMTest method testBasic.

@Test
public void testBasic() throws ContradictionException, SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    Mapping map = mo.getMapping();
    map.addOnlineNode(n1);
    map.addRunningVM(vm1, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.SuspendVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), new HashSet<>(), map.getAllVMs(), new HashSet<>()).build();
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    SuspendVM m = (SuspendVM) rp.getVMActions().get(0);
    Assert.assertEquals(vm1, m.getVM());
    Assert.assertNull(m.getDSlice());
    Assert.assertTrue(m.getDuration().isInstantiatedTo(5));
    Assert.assertTrue(m.getState().isInstantiatedTo(0));
    Assert.assertTrue(m.getCSlice().getHoster().isInstantiatedTo(0));
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    org.btrplace.plan.event.SuspendVM a = (org.btrplace.plan.event.SuspendVM) p.getActions().iterator().next();
    Assert.assertEquals(n1, a.getSourceNode());
    Assert.assertEquals(vm1, a.getVM());
    Assert.assertEquals(5, a.getEnd() - a.getStart());
}

Example 39 with ReconfigurationPlan

use of org.btrplace.plan.ReconfigurationPlan in project scheduler by btrplace.

the class CShareableResourceTest method testDefaultOverbookRatio.

/**
 * The default overbooking ratio of 1 will make this problem having no solution.
 */
@Test
public void testDefaultOverbookRatio() 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", 0, 0);
    rc.setConsumption(vm1, 2);
    rc.setConsumption(vm2, 3);
    rc.setCapacity(n1, 5);
    mo.attach(rc);
    ChocoScheduler s = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(new Fence(vm1, n1));
    cstrs.add(new Preserve(vm2, "foo", 4));
    // rp.solve(0, false);
    ReconfigurationPlan p = s.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 40 with ReconfigurationPlan

use of org.btrplace.plan.ReconfigurationPlan in project scheduler by btrplace.

the class CShareableResourceTest method testInsertAction.

/**
 * Reproduce issue#145.
 */
/*@Test*/
public void testInsertAction() {
    Model mo = new DefaultModel();
    ShareableResource cpu = new ShareableResource("cpu");
    ShareableResource mem = new ShareableResource("mem");
    mo.attach(cpu);
    mo.attach(mem);
    Node node = mo.newNode();
    Node node2 = mo.newNode();
    mo.getMapping().on(node, node2);
    cpu.setCapacity(node, 100000);
    mem.setCapacity(node, 100000);
    cpu.setCapacity(node2, 100000);
    mem.setCapacity(node2, 100000);
    for (int i = 0; i < 10000; i++) {
        VM vm = mo.newVM();
        mo.getMapping().run(node, vm);
        cpu.setConsumption(vm, 1);
        mem.setConsumption(vm, 1);
    }
    ChocoScheduler sched = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Running.newRunning(mo.getMapping().getAllVMs()));
    cstrs.addAll(NoDelay.newNoDelay(mo.getMapping().getAllVMs()));
    cstrs.addAll(Fence.newFence(mo.getMapping().getAllVMs(), Arrays.asList(node2)));
    cstrs.addAll(Preserve.newPreserve(mo.getMapping().getAllVMs(), "cpu", 2));
    cstrs.addAll(Preserve.newPreserve(mo.getMapping().getAllVMs(), "mem", 2));
    ReconfigurationPlan plan = sched.solve(mo, cstrs);
    System.out.println(plan);
    System.out.println(sched.getStatistics());
}