Examples with VMTransition org.btrplace.scheduler.choco.transition.VMTransition used on opensource projects

Example 6 with VMTransition

use of org.btrplace.scheduler.choco.transition.VMTransition in project scheduler by btrplace.

the class CMinMTTR method placeVMs.

/*
     * Try to place the VMs associated on the actions in a random node while trying first to stay on the current node
     */
private void placeVMs(Parameters ps, List<AbstractStrategy<?>> strategies, List<VMTransition> actions, OnStableNodeFirst schedHeuristic, Map<IntVar, VM> map) {
    IntValueSelector rnd = new WorstFit(map, rp, new BiggestDimension());
    if (!useResources) {
        rnd = new RandomVMPlacement(rp, map, true, ps.getRandomSeed());
    }
    IntVar[] hosts = dSlices(actions).map(Slice::getHoster).filter(v -> !v.isInstantiated()).toArray(IntVar[]::new);
    if (hosts.length > 0) {
        strategies.add(new IntStrategy(hosts, new HostingVariableSelector(rp.getModel(), schedHeuristic), rnd));
    }
}

Example 7 with VMTransition

use of org.btrplace.scheduler.choco.transition.VMTransition in project scheduler by btrplace.

the class MovementGraph method make.

public void make() {
    incoming.clear();
    outgoings.clear();
    for (VMTransition a : rp.getVMActions()) {
        Slice cSlice = a.getCSlice();
        Slice dSlice = a.getDSlice();
        if (cSlice != null) {
            addOutgoing(cSlice);
        }
        if (dSlice != null) {
            addIncoming(dSlice);
        }
    }
}

Example 8 with VMTransition

use of org.btrplace.scheduler.choco.transition.VMTransition in project scheduler by btrplace.

the class AbstractCumulatives method inject.

@Override
public boolean inject(Parameters ps, ReconfigurationProblem rp) throws SchedulerException {
    cUsages = new ArrayList<>();
    dUsages = new ArrayList<>();
    List<Slice> dS = new ArrayList<>();
    List<Slice> cS = new ArrayList<>();
    non = new HashMap<>();
    int dIdx = 0;
    int cIdx = 0;
    for (VMTransition a : rp.getVMActions()) {
        Slice c = a.getCSlice();
        Slice d = a.getDSlice();
        if (d != null && c != null) {
            non.put(a.getVM(), new int[] { dIdx, cIdx });
        }
        if (d != null) {
            dS.add(dIdx, d);
            dIdx++;
        }
        if (c != null) {
            cS.add(cIdx, c);
            cIdx++;
        }
    }
    int i = 0;
    cHosts = new IntVar[cS.size()];
    cEnds = new IntVar[cS.size()];
    for (Slice s : cS) {
        cHosts[i] = s.getHoster();
        cEnds[i] = s.getEnd();
        i++;
    }
    i = 0;
    dStarts = new IntVar[dS.size()];
    dHosts = new IntVar[dS.size()];
    for (Slice s : dS) {
        dHosts[i] = s.getHoster();
        dStarts[i] = s.getStart();
        i++;
    }
    associations = makeAssociations();
    return true;
}

Example 9 with VMTransition

use of org.btrplace.scheduler.choco.transition.VMTransition in project scheduler by btrplace.

the class DefaultReconfigurationProblemTest method testVMCounting.

/**
 * Check the consistency between the variables counting the number of VMs on
 * each node, and the placement variable.
 *
 * @throws org.btrplace.scheduler.SchedulerException
 * @throws ContradictionException
 */
@Test
public void testVMCounting() throws SchedulerException, ContradictionException {
    Model mo = new DefaultModel();
    Node n3 = mo.newNode();
    Node n2 = mo.newNode();
    Mapping map = mo.getMapping();
    for (int i = 0; i < 7; i++) {
        VM v = mo.newVM();
        map.addReadyVM(v);
    }
    map.addOnlineNode(n3);
    map.addOnlineNode(n2);
    Parameters ps = new DefaultParameters();
    ReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setParams(ps).setNextVMsStates(new HashSet<>(), map.getAllVMs(), new HashSet<>(), new HashSet<>()).build();
    // Restrict the capacity to 5 at most
    for (IntVar capa : rp.getNbRunningVMs()) {
        capa.updateUpperBound(5, Cause.Null);
    }
    new CMinMTTR().inject(ps, rp);
    ReconfigurationPlan p = rp.solve(-1, false);
    Assert.assertNotNull(p);
    // Check consistency between the counting and the hoster variables
    int[] counts = new int[map.getAllNodes().size()];
    for (Node n : map.getOnlineNodes()) {
        int nIdx = rp.getNode(n);
        counts[nIdx] = rp.getNbRunningVMs().get(nIdx).getValue();
    }
    for (VM vm : rp.getFutureRunningVMs()) {
        VMTransition vmo = rp.getVMActions().get(rp.getVM(vm));
        int on = vmo.getDSlice().getHoster().getValue();
        counts[on]--;
    }
    for (int count : counts) {
        Assert.assertEquals(count, 0);
    }
}

Example 10 with VMTransition

use of org.btrplace.scheduler.choco.transition.VMTransition in project scheduler by btrplace.

the class DefaultReconfigurationProblemTest method testVMToShutdown.

@Test
public void testVMToShutdown() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    VM vm5 = mo.newVM();
    VM vm6 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    Mapping map = mo.getMapping();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addOfflineNode(n3);
    map.addRunningVM(vm1, n1);
    map.addRunningVM(vm2, n1);
    map.addRunningVM(vm3, n2);
    map.addSleepingVM(vm4, n2);
    map.addReadyVM(vm5);
    map.addReadyVM(vm6);
    Mapping m = mo.getMapping();
    m.addOnlineNode(n1);
    m.addRunningVM(vm1, n1);
    DefaultReconfigurationProblem rp = new DefaultReconfigurationProblemBuilder(mo).setNextVMsStates(Collections.singleton(vm1), new HashSet<>(), new HashSet<>(), new HashSet<>()).build();
    VMTransition a = rp.getVMActions().get(0);
    Assert.assertEquals(a, rp.getVMAction(vm1));
    Assert.assertEquals(ShutdownVM.class, a.getClass());
}