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

Example 26 with ReconfigurationProblem

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

the class RelocatableVMTest method testStayRunning.

@Test
public void testStayRunning() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    map.addOnlineNode(n1);
    map.addRunningVM(vm1, n1);
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(new DefaultParameters()).setManageableVMs(Collections.emptySet()).build();
    Assert.assertEquals(rp.getVMAction(vm1).getClass(), RelocatableVM.class);
    RelocatableVM m1 = (RelocatableVM) rp.getVMAction(vm1);
    Assert.assertNotNull(m1.getCSlice());
    Assert.assertNotNull(m1.getDSlice());
    Assert.assertTrue(m1.getCSlice().getHoster().isInstantiatedTo(rp.getNode(n1)));
    Assert.assertTrue(m1.getDSlice().getHoster().isInstantiatedTo(rp.getNode(n1)));
    Assert.assertTrue(m1.getDuration().isInstantiatedTo(0));
    Assert.assertTrue(m1.getStart().isInstantiatedTo(0));
    Assert.assertTrue(m1.getEnd().isInstantiatedTo(0));
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getSize(), 0);
}

Example 27 with ReconfigurationProblem

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

the class RelocatableVMTest method testForcedReInstantiation.

@Test
public void testForcedReInstantiation() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm10 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    // Not using vm1 because intPool starts at 0 so their will be multiple (0,1) VMs.
    map.addRunningVM(vm10, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(MigrateVM.class, new ConstantActionDuration<>(20));
    dev.register(org.btrplace.plan.event.ForgeVM.class, new ConstantActionDuration<>(3));
    dev.register(org.btrplace.plan.event.BootVM.class, new ConstantActionDuration<>(2));
    dev.register(org.btrplace.plan.event.ShutdownVM.class, new ConstantActionDuration<>(1));
    mo.getAttributes().put(vm10, "template", "small");
    mo.getAttributes().put(vm10, "clone", true);
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).setManageableVMs(map.getAllVMs()).build();
    RelocatableVM am = (RelocatableVM) rp.getVMAction(vm10);
    am.getRelocationMethod().instantiateTo(1, Cause.Null);
    am.getDSlice().getHoster().instantiateTo(rp.getNode(n2), Cause.Null);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(10, true);
    Assert.assertNotNull(p);
    Assert.assertTrue(am.getRelocationMethod().isInstantiatedTo(1));
    Assert.assertEquals(p.getSize(), 3);
    Model res = p.getResult();
    // Check the VM has been relocated
    Assert.assertEquals(res.getMapping().getRunningVMs(n1).size(), 0);
    Assert.assertEquals(res.getMapping().getRunningVMs(n2).size(), 1);
    Assert.assertNotNull(p);
    // Check for the actions duration
    for (Action a : p) {
        if (a instanceof org.btrplace.plan.event.ForgeVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 3);
        } else if (a instanceof org.btrplace.plan.event.ShutdownVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 1);
        } else if (a instanceof org.btrplace.plan.event.BootVM) {
            Assert.assertEquals(a.getEnd() - a.getStart(), 2);
        } else {
            Assert.fail();
        }
    }
}

Example 28 with ReconfigurationProblem

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

the class ResumeVMTest method testResumeSequence.

/**
 * Test that check when the action is shorter than the end of
 * the reconfiguration process.
 * In practice, 2 resume actions have to be executed sequentially
 */
@Test
public void testResumeSequence() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addSleepingVM(vm1, n1);
    map.addSleepingVM(vm2, n2);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.ResumeVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), map.getAllVMs(), new HashSet<>(), new HashSet<>()).build();
    ResumeVM m1 = (ResumeVM) rp.getVMActions().get(rp.getVM(vm1));
    ResumeVM m2 = (ResumeVM) rp.getVMActions().get(rp.getVM(vm2));
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
    rp.getModel().post(rp.getModel().arithm(m2.getStart(), ">=", m1.getEnd()));
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    Iterator<Action> ite = p.iterator();
    org.btrplace.plan.event.ResumeVM b1 = (org.btrplace.plan.event.ResumeVM) ite.next();
    org.btrplace.plan.event.ResumeVM b2 = (org.btrplace.plan.event.ResumeVM) 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 29 with ReconfigurationProblem

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

the class ShutdownVMTest method testBasic.

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

Example 30 with ReconfigurationProblem

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

the class ShutdownableNodeTest method testNodeHostingEnd.

/**
 * Issue #2 about NodeTransition.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 * @throws ContradictionException
 */
@Test
public void testNodeHostingEnd() throws SchedulerException, ContradictionException {
    Model model = new DefaultModel();
    Mapping map = model.getMapping();
    Node n1 = model.newNode();
    Node n2 = model.newNode();
    Node n3 = model.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addOfflineNode(n3);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(ShutdownNode.class, new ConstantActionDuration<>(5));
    dev.register(BootNode.class, new ConstantActionDuration<>(10));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(model).setParams(ps).build();
    ShutdownableNode shd = (ShutdownableNode) rp.getNodeAction(n1);
    // Stay online
    shd.getState().instantiateTo(1, Cause.Null);
    ShutdownableNode shd2 = (ShutdownableNode) rp.getNodeAction(n2);
    // Go offline
    shd2.getState().instantiateTo(0, Cause.Null);
    // Start going offline at 1
    shd2.getStart().instantiateTo(1, Cause.Null);
    BootableNode bn = (BootableNode) rp.getNodeAction(n3);
    // Go online
    bn.getState().instantiateTo(1, Cause.Null);
    // Start going online at 6
    bn.getStart().instantiateTo(6, Cause.Null);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    System.out.println(p);
    Assert.assertEquals(shd.getDuration().getValue(), 0);
    Assert.assertEquals(shd.getStart().getValue(), 0);
    Assert.assertEquals(shd.getEnd().getValue(), 0);
    Assert.assertEquals(shd.getHostingStart().getValue(), 0);
    Assert.assertEquals(shd.getHostingEnd().getValue(), 16);
    Assert.assertEquals(shd2.getDuration().getValue(), 5);
    Assert.assertEquals(shd2.getStart().getValue(), 1);
    Assert.assertEquals(shd2.getEnd().getValue(), 6);
    Assert.assertEquals(shd2.getHostingStart().getValue(), 0);
    Assert.assertEquals(shd2.getHostingEnd().getValue(), 1);
    Assert.assertEquals(bn.getStart().getValue(), 6);
    Assert.assertEquals(bn.getDuration().getValue(), 10);
    Assert.assertEquals(bn.getEnd().getValue(), 16);
    Assert.assertEquals(bn.getHostingStart().getValue(), 16);
    Assert.assertEquals(bn.getHostingEnd().getValue(), 16);
    Assert.assertEquals(p.getSize(), 2);
    Model res = p.getResult();
    Assert.assertTrue(res.getMapping().isOnline(n1));
    Assert.assertTrue(res.getMapping().isOnline(n3));
    Assert.assertTrue(res.getMapping().getOfflineNodes().contains(n2));
}