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

Example 1 with DefaultReconfigurationProblemBuilder

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

the class CShareableResourceTest method testSimple.

/**
 * Test the instantiation and the creation of the variables.
 *
 * @throws org.btrplace.scheduler.SchedulerException should not occur
 */
@Test
public void testSimple() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    ma.addOnlineNode(n1);
    ma.addOfflineNode(n2);
    ma.addRunningVM(vm1, n1);
    ma.addRunningVM(vm2, n1);
    ma.addReadyVM(vm3);
    ShareableResource rc = new ShareableResource("foo", 0, 0);
    rc.setConsumption(vm2, 3);
    rc.setCapacity(n1, 4);
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).build();
    CShareableResource rcm = new CShareableResource(rc);
    rcm.inject(new DefaultParameters(), rp);
    Assert.assertEquals(rc.getIdentifier(), rcm.getIdentifier());
    Assert.assertEquals(0, rcm.getFutureVMAllocation(rp.getVM(vm1)));
    Assert.assertEquals(3, rcm.getFutureVMAllocation(rp.getVM(vm2)));
    // Will not be running so 0
    Assert.assertEquals(0, rcm.getFutureVMAllocation(rp.getVM(vm3)));
    IntVar pn1 = rcm.getPhysicalUsage().get(rp.getNode(n1));
    IntVar pn2 = rcm.getPhysicalUsage().get(rp.getNode(n2));
    Assert.assertTrue(pn1.getLB() == 0 && pn1.getUB() == 4);
    Assert.assertTrue(pn2.getLB() == 0 && pn2.getUB() == 0);
    Assert.assertEquals(rc.getCapacity(n1), rcm.getFutureNodeCapacity(rp.getNode(n1)));
    Assert.assertEquals(rc.getCapacity(n2), rcm.getFutureNodeCapacity(rp.getNode(n2)));
    pn1 = rcm.getPhysicalUsage(rp.getNode(n1));
    Assert.assertTrue(pn1.getLB() == 0 && pn1.getUB() == 4);
    IntVar vn1 = rcm.getVirtualUsage().get(rp.getNode(n1));
    IntVar vn2 = rcm.getVirtualUsage().get(rp.getNode(n2));
    Assert.assertEquals(vn1.getLB(), 0);
    Assert.assertEquals(vn2.getLB(), 0);
    Assert.assertEquals(rc, rcm.getSourceResource());
}

Example 2 with DefaultReconfigurationProblemBuilder

use of org.btrplace.scheduler.choco.DefaultReconfigurationProblemBuilder 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(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 3 with DefaultReconfigurationProblemBuilder

use of org.btrplace.scheduler.choco.DefaultReconfigurationProblemBuilder 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 4 with DefaultReconfigurationProblemBuilder

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

the class RelocatableVMTest method testForcedMigration.

@Test
public void testForcedMigration() 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(0, 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(0));
    Assert.assertEquals(p.getSize(), 1);
    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);
}

Example 5 with DefaultReconfigurationProblemBuilder

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

the class RelocatableVMTest method testWorthlessReInstantiation.

/**
 * The re-instantiation is possible and worthy.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 * @throws ContradictionException
 */
@Test
public void testWorthlessReInstantiation() 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<>(2));
    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);
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(10, true);
    Assert.assertNotNull(p);
    Assert.assertTrue(am.getRelocationMethod().isInstantiatedTo(0));
    Assert.assertEquals(p.getSize(), 1);
    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);
}