Examples with Node org.btrplace.model.Node used on opensource projects

Example 66 with Node

use of org.btrplace.model.Node in project scheduler by btrplace.

the class CQuarantineTest method testWithNoSolution1.

/**
 * A VM try to come into the quarantine zone.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 */
@Test
public void testWithNoSolution1() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1).run(n2, vm2, vm3).run(n3, vm4);
    Quarantine q = new Quarantine(n1);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(q);
    cstrs.add(new Fence(vm4, Collections.singleton(n1)));
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNull(p);
}

Example 67 with Node

use of org.btrplace.model.Node in project scheduler by btrplace.

the class CMinMigrationsTest method simpleTest.

@Test
public void simpleTest() {
    Model mo = new DefaultModel();
    Node n0 = mo.newNode();
    Node n1 = mo.newNode();
    VM vm0 = mo.newVM();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    mo.getMapping().on(n0, n1).run(n0, vm0, vm1, vm2);
    ShareableResource mem = new ShareableResource("mem", 5, 1);
    // cpu dimension to create the violation
    ShareableResource cpu = new ShareableResource("cpu", 5, 1);
    // VM0 as the big VM
    mem.setConsumption(vm0, 3);
    mo.attach(cpu);
    mo.attach(mem);
    List<SatConstraint> cstrs = new ArrayList<>();
    // The 3 VMs no longer feet on n0
    cstrs.add(new Preserve(vm0, "cpu", 5));
    ChocoScheduler s = new DefaultChocoScheduler();
    s.doOptimize(true);
    ReconfigurationPlan p = s.solve(mo, cstrs, new MinMigrations());
    System.out.println(s.getStatistics());
    System.out.println(p);
    // VM0 to n1
    Assert.assertEquals(p.getActions().size(), 1);
    // VM0 to n1
    Assert.assertEquals(p.getResult().getMapping().getVMLocation(vm0), n1);
}

Example 68 with Node

use of org.btrplace.model.Node in project scheduler by btrplace.

the class CMinMigrationsTest method testWithFreeNodes.

/**
 * Issue #137.
 * ShutdownableNode.isOnline() is not instantiated at the end of the problem
 */
@Test
public void testWithFreeNodes() {
    Model mo = new DefaultModel();
    Node n0 = mo.newNode();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    VM v1 = mo.newVM();
    VM v2 = mo.newVM();
    DefaultChocoScheduler s = new DefaultChocoScheduler();
    mo.getMapping().on(n0, n1, n2).run(n0, v1, v2);
    Instance i = new Instance(mo, Arrays.asList(new Spread(mo.getMapping().getAllVMs(), false)), new MinMigrations());
    ReconfigurationPlan p = s.solve(i);
    Assert.assertNotNull(p);
}

Example 69 with Node

use of org.btrplace.model.Node in project scheduler by btrplace.

the class QuarantineBuilderTest method testGoodSignatures.

@Test(dataProvider = "goodQuarantines")
public void testGoodSignatures(String str, int nbNodes) throws Exception {
    ScriptBuilder b = new ScriptBuilder(new DefaultModel());
    Set<SatConstraint> cstrs = b.build("namespace test; VM[1..10] : tiny;\n@N[1..20] : defaultNode;\n" + str).getConstraints();
    Assert.assertEquals(cstrs.size(), nbNodes);
    Set<Node> nodes = new HashSet<>();
    for (SatConstraint x : cstrs) {
        Assert.assertTrue(x instanceof Quarantine);
        Assert.assertTrue(nodes.addAll(x.getInvolvedNodes()));
    }
}

Example 70 with Node

use of org.btrplace.model.Node in project scheduler by btrplace.

the class DefaultReconfigurationProblem method makeNodeTransitions.

private void makeNodeTransitions() {
    Mapping m = model.getMapping();
    nodeActions = new ArrayList<>(nodes.size());
    for (Node nId : nodes) {
        NodeState state = m.getState(nId);
        NodeTransitionBuilder b = amFactory.getBuilder(state);
        if (b == null) {
            throw new LifeCycleViolationException(model, nId, state, EnumSet.of(NodeState.OFFLINE, NodeState.ONLINE));
        }
        nodeActions.add(b.build(this, nId));
    }
}