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

Example 6 with ReconfigurationProblem

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

the class RelocatableVMTest method testNotWorthyReInstantiation.

/**
 * The re-instantiation is possible but will lead in a waste of time.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void testNotWorthyReInstantiation() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addRunningVM(vm1, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(MigrateVM.class, new ConstantActionDuration<>(2));
    mo.getAttributes().put(vm1, "template", "small");
    mo.getAttributes().put(vm1, "clone", true);
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.emptySet(), map.getAllVMs(), Collections.emptySet(), Collections.emptySet()).setParams(ps).build();
    RelocatableVM am = (RelocatableVM) rp.getVMAction(vm1);
    Assert.assertFalse(am.getRelocationMethod().isInstantiated());
}

Example 7 with ReconfigurationProblem

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

the class RelocatableVMTest method testWorthyReInstantiation.

/**
 * The re-instantiation is possible and worthy.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 * @throws ContradictionException
 */
@Test
public void testWorthyReInstantiation() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    VM vm10 = mo.newVM();
    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(org.btrplace.plan.event.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.getDSlice().getHoster().instantiateTo(rp.getNode(n2), Cause.Null);
    Solution sol = new Solution(rp.getModel());
    sol.record();
    rp.getSolver().plugMonitor((IMonitorSolution) () -> {
        sol.record();
    });
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(10, true);
    Assert.assertNotNull(p);
    Assert.assertEquals(sol.getIntVal(am.getRelocationMethod()), 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);
    for (Action a : p) {
        Assert.assertTrue(a.getStart() >= 0, a.toString());
        Assert.assertTrue(a.getEnd() >= a.getStart(), a.toString());
    }
}

Example 8 with ReconfigurationProblem

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

the class ResumeVMTest method testBasics.

/**
 * Just resume a VM on its current node.
 */
@Test
public void testBasics() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addSleepingVM(vm1, n1);
    Parameters ps = new DefaultParameters();
    DurationEvaluators dev = ps.getDurationEvaluators();
    dev.register(org.btrplace.plan.event.ResumeVM.class, new ConstantActionDuration<>(10));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), map.getAllVMs(), new HashSet<>(), new HashSet<>()).build();
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getNodeActions().get(1).getState().instantiateTo(1, Cause.Null);
    ResumeVM m = (ResumeVM) rp.getVMActions().get(0);
    Assert.assertEquals(vm1, m.getVM());
    Assert.assertNull(m.getCSlice());
    Assert.assertTrue(m.getDuration().isInstantiatedTo(10));
    Assert.assertTrue(m.getState().isInstantiatedTo(1));
    Assert.assertFalse(m.getDSlice().getHoster().isInstantiated());
    Assert.assertFalse(m.getDSlice().getStart().isInstantiated());
    Assert.assertFalse(m.getDSlice().getEnd().isInstantiated());
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    org.btrplace.plan.event.ResumeVM a = (org.btrplace.plan.event.ResumeVM) p.getActions().iterator().next();
    Node dest = rp.getNode(m.getDSlice().getHoster().getValue());
    Assert.assertEquals(vm1, a.getVM());
    Assert.assertEquals(dest, a.getDestinationNode());
    Assert.assertEquals(n1, a.getSourceNode());
    Assert.assertEquals(10, a.getEnd() - a.getStart());
}

Example 9 with ReconfigurationProblem

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

the class ShutdownVMTest method testShutdownSequence.

/**
 * Test that check that the action duration is lesser than
 * the cSlice duration. This allows actions scheduling
 * In practice, for this test, 2 shutdown actions have to be executed sequentially
 */
@Test
public void testShutdownSequence() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    final VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    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.ShutdownVM.class, new ConstantActionDuration<>(5));
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(map.getAllVMs(), new HashSet<>(), new HashSet<>(), new HashSet<>()).build();
    ShutdownVM m1 = (ShutdownVM) rp.getVMActions().get(rp.getVM(vm1));
    ShutdownVM m2 = (ShutdownVM) rp.getVMActions().get(rp.getVM(vm2));
    rp.getNodeActions().get(0).getState().instantiateTo(1, Cause.Null);
    rp.getModel().post(rp.getModel().arithm(m2.getStart(), ">=", m1.getEnd()));
    // System.out.println(s);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(0, false);
    Assert.assertNotNull(p);
    // System.out.println(p);
    Iterator<Action> ite = p.iterator();
    org.btrplace.plan.event.ShutdownVM b1 = (org.btrplace.plan.event.ShutdownVM) ite.next();
    org.btrplace.plan.event.ShutdownVM b2 = (org.btrplace.plan.event.ShutdownVM) 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 10 with ReconfigurationProblem

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

the class ShutdownableNodeTest method testBasics.

@Test
public void testBasics() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    Node n1 = mo.newNode();
    map.addOnlineNode(n1);
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).build();
    ShutdownableNode ma = (ShutdownableNode) rp.getNodeAction(n1);
    Assert.assertEquals(ma.getNode(), n1);
    Assert.assertEquals(ma.getHostingStart(), rp.getStart());
}