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

Example 1 with Attributes

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

the class ModelConverterTest method testConversion.

@Test
public void testConversion() throws JSONConverterException {
    ModelConverter conv = new ModelConverter();
    Model mo = new DefaultModel();
    Mapping m = mo.getMapping();
    Node n1 = mo.newNode();
    VM vm1 = mo.newVM();
    m.addOnlineNode(n1);
    m.addReadyVM(vm1);
    Attributes attrs = mo.getAttributes();
    attrs.put(vm1, "boot", 5);
    attrs.put(n1, "type", "xen");
    ShareableResource rc = new ShareableResource("cpu");
    rc.setConsumption(vm1, 5);
    rc.setCapacity(n1, 10);
    mo.attach(rc);
    String jo = conv.toJSONString(mo);
    System.out.println(jo);
    Model res = conv.fromJSON(jo);
    Assert.assertEquals(res, mo);
    Assert.assertTrue(res.contains(n1));
    Assert.assertTrue(res.contains(vm1));
}

Example 2 with Attributes

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

the class ModelCustomization method run.

@Override
public void run() {
    Model model = makeModel();
    List<SatConstraint> cstrs = makeConstraints(model);
    // Set attributes for the VMs
    Attributes attrs = model.getAttributes();
    for (VM vm : model.getMapping().getAllVMs()) {
        attrs.put(vm, "template", vm.id() % 2 == 0 ? "small" : "large");
        attrs.put(vm, "clone", true);
        attrs.put(vm, "forge", vm.id() % 2 == 0 ? 2 : 10);
    // forge == 2 && template == small  for vm0, vm2, vm4, vm6, vm8
    // forge == 10 && template == large for vm1, vm3, vm5, vm7, vm9
    }
    // Change the duration evaluator for MigrateVM action
    ChocoScheduler cra = new DefaultChocoScheduler();
    DurationEvaluators dev = cra.getDurationEvaluators();
    dev.register(MigrateVM.class, new LinearToAResourceActionDuration<VM>("mem", 2, 3));
    dev.register(BootVM.class, new ConstantActionDuration<>(1));
    dev.register(ShutdownVM.class, new ConstantActionDuration<>(1));
    // Relocate VM4:
    // using a migration: (2 * mem + 3) = (2 * 2 + 3) = 7 sec.
    // using a re-instantiation: forge + boot + shutdown = 2 + 1 + 1 = 4 sec.
    // Relocate VM5:
    // using a migration: (2 * mem + 3) = (2 * 3 + 3) = 9 sec.
    // using a re-instantiation: forge + boot + shutdown = 10 + 1 + 1 = 12 sec.
    cra.doOptimize(true);
    ReconfigurationPlan plan = cra.solve(model, cstrs);
    System.out.println(plan);
}

Example 3 with Attributes

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

the class AttributesConverter method fromJSON.

/**
 * Decode attributes
 *
 * @param mo the model to rely on
 * @param o  the encoded attributes
 * @return the resulting attributes
 * @throws JSONConverterException if the conversion failed
 */
public static Attributes fromJSON(Model mo, JSONObject o) throws JSONConverterException {
    Attributes attrs = new DefaultAttributes();
    try {
        JSONObject vms = (JSONObject) o.get("vms");
        if (vms != null) {
            for (Map.Entry<String, Object> e : vms.entrySet()) {
                String el = e.getKey();
                VM vm = getVM(mo, Integer.parseInt(el));
                JSONObject entries = (JSONObject) e.getValue();
                putAttributes(attrs, vm, entries);
            }
        }
        JSONObject nodes = (JSONObject) o.get("nodes");
        if (nodes != null) {
            for (Map.Entry<String, Object> e : nodes.entrySet()) {
                String el = e.getKey();
                Node n = getNode(mo, Integer.parseInt(el));
                JSONObject entries = (JSONObject) e.getValue();
                putAttributes(attrs, n, entries);
            }
        }
    } catch (ClassCastException ex) {
        throw new JSONConverterException(ex);
    }
    return attrs;
}

Example 4 with Attributes

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

the class DurationFromOptionalAttributeTest method test.

@Test
public void test() {
    Model mo = new DefaultModel();
    Attributes attrs = mo.getAttributes();
    ActionDurationEvaluator<VM> parent = new ConstantActionDuration<>(15);
    VM vm1 = mo.newVM();
    ActionDurationFromOptionalAttribute<VM> dev = new ActionDurationFromOptionalAttribute<>("boot", parent);
    Assert.assertEquals(parent, dev.getParent());
    Assert.assertEquals("boot", dev.getAttributeKey());
    Assert.assertEquals(15, dev.evaluate(mo, vm1));
    attrs.put(vm1, "boot", 7);
    Assert.assertEquals(7, dev.evaluate(mo, vm1));
    parent = new ConstantActionDuration<>(2);
    dev.setParent(parent);
    attrs.clear();
    Assert.assertEquals(2, dev.evaluate(mo, vm1));
    Assert.assertEquals(parent, dev.getParent());
    Assert.assertFalse(dev.toString().contains("null"));
}

Example 5 with Attributes

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

the class AttributesConverterTest method testSimple.

@Test
public void testSimple() throws JSONConverterException {
    Model mo = new DefaultModel();
    Attributes attrs = new DefaultAttributes();
    VM vm1 = mo.newVM();
    VM vm3 = mo.newVM(3);
    Node n1 = mo.newNode();
    attrs.put(n1, "boot", 7);
    attrs.put(vm1, "template", "xen");
    attrs.put(vm1, "forge", 3);
    attrs.put(vm3, "template", "kvm");
    attrs.put(vm3, "clone", true);
    attrs.put(vm3, "foo", 1.3);
    JSONObject o = AttributesConverter.toJSON(attrs);
    System.out.println(o);
    Attributes attrs2 = AttributesConverter.fromJSON(mo, o);
    Assert.assertTrue(attrs.equals(attrs2));
}