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

Example 66 with VM

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

the class ReadyBuilderTest method testGoodSignatures.

@Test(dataProvider = "goodReadys")
public void testGoodSignatures(String str, int nbVMs, boolean c) throws Exception {
    ScriptBuilder b = new ScriptBuilder(new DefaultModel());
    Set<SatConstraint> cstrs = b.build("namespace test; VM[1..10] : tiny;\n@N[1..20] : defaultNode;" + str).getConstraints();
    Assert.assertEquals(cstrs.size(), nbVMs);
    Set<VM> vms = new HashSet<>();
    for (SatConstraint x : cstrs) {
        Assert.assertTrue(x instanceof Ready);
        Assert.assertTrue(vms.addAll(x.getInvolvedVMs()));
        Assert.assertEquals(x.isContinuous(), c);
    }
}

Example 67 with VM

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

the class SleepingBuilderTest method testGoodSignatures.

@Test(dataProvider = "goodsleepings")
public void testGoodSignatures(String str, int nbVMs, boolean c) throws Exception {
    ScriptBuilder b = new ScriptBuilder(new DefaultModel());
    Set<SatConstraint> cstrs = b.build("namespace test; VM[1..10] : tiny;\n@N[1..20] : defaultNode;" + str).getConstraints();
    Set<VM> vms = new HashSet<>();
    Assert.assertEquals(cstrs.size(), nbVMs);
    for (SatConstraint x : cstrs) {
        Assert.assertTrue(x instanceof Sleeping);
        Assert.assertTrue(vms.addAll(x.getInvolvedVMs()));
        Assert.assertEquals(x.isContinuous(), c);
    }
}

Example 68 with VM

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

the class DefaultReconfigurationProblem method makeVMTransitions.

private void makeVMTransitions() {
    Mapping map = model.getMapping();
    vmActions = new ArrayList<>(vms.size());
    for (VM vmId : vms) {
        VMState curState = map.getState(vmId);
        if (curState == null) {
            curState = VMState.INIT;
        }
        VMState nextState;
        if (running.contains(vmId)) {
            nextState = VMState.RUNNING;
        } else if (sleeping.contains(vmId)) {
            nextState = VMState.SLEEPING;
        } else if (ready.contains(vmId)) {
            nextState = VMState.READY;
        } else if (killed.contains(vmId)) {
            nextState = VMState.KILLED;
        } else {
            // by default, maintain state
            nextState = curState;
            switch(nextState) {
                case READY:
                    ready.add(vmId);
                    break;
                case RUNNING:
                    running.add(vmId);
                    break;
                case SLEEPING:
                    sleeping.add(vmId);
                    break;
                default:
                    throw new LifeCycleViolationException(model, vmId, curState, nextState);
            }
        }
        VMTransitionBuilder am = amFactory.getBuilder(curState, nextState);
        if (am == null) {
            throw new LifeCycleViolationException(model, vmId, curState, nextState);
        }
        VMTransition t = am.build(this, vmId);
        vmActions.add(t);
        if (t.isManaged()) {
            manageable.add(vmId);
        }
    }
}

Example 69 with VM

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

the class CAmong method inject.

@Override
public boolean inject(Parameters ps, ReconfigurationProblem rp) throws SchedulerException {
    int nextGrp = -1;
    int curGrp = -1;
    List<Collection<Node>> groups = new ArrayList<>();
    groups.addAll(cstr.getGroupsOfNodes());
    Set<VM> running = new HashSet<>();
    Mapping src = rp.getSourceModel().getMapping();
    for (VM vm : cstr.getInvolvedVMs()) {
        if (rp.getFutureRunningVMs().contains(vm)) {
            // The VM will be running
            running.add(vm);
            IntVar vAssign = rp.getVMAction(vm).getDSlice().getHoster();
            // If one of the VM is already placed, no need for the constraint, the group will be known
            if (vAssign.isInstantiated()) {
                // Get the group of nodes that match the selected node
                int g = getGroup(rp.getNode(vAssign.getValue()), groups);
                if (errorReported(rp, vm, nextGrp, g)) {
                    return false;
                }
                nextGrp = g;
            }
        }
        if (cstr.isContinuous() && src.isRunning(vm)) {
            // The VM is already running, so we get its current group
            Node curNode = src.getVMLocation(vm);
            int g = getGroup(curNode, groups);
            if (errorReported(rp, vm, curGrp, g)) {
                return false;
            }
            curGrp = g;
        }
    }
    if (cstr.isContinuous() && curGrp != -1) {
        return restrictGroup(ps, rp, running, groups, curGrp);
    } else if (groups.size() == 1) {
        return restrictGroup(ps, rp, running, groups, 0);
    }
    return restrictGroup(ps, rp, running, groups, nextGrp);
}

Example 70 with VM

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

the class CGather method continuousColocation.

/*
    * Check for the already running VMs and force co-location if any.
     */
private boolean continuousColocation(ReconfigurationProblem rp, List<Slice> dSlices) {
    Set<VM> alreadyRunning = new HashSet<>();
    Mapping map = rp.getSourceModel().getMapping();
    Node loc = null;
    for (VM vm : cstr.getInvolvedVMs()) {
        if (map.isRunning(vm)) {
            alreadyRunning.add(vm);
            Node node = map.getVMLocation(vm);
            if (loc == null) {
                loc = node;
            } else if (!loc.equals(node)) {
                rp.getLogger().error("Some VMs in '{}' are already running but not co-located", cstr.getInvolvedVMs());
                return false;
            }
        }
    }
    if (loc != null) {
        if (cstr.getInvolvedVMs().size() == 1 && dSlices.size() == 1) {
            // The VM may migrate, we don't care as it is alone.
            return true;
        }
        return placeDSlices(rp, dSlices, rp.getNode(loc));
    }
    return true;
}