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

Example 1 with DefaultChocoScheduler

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

the class UCC15 method decommissioning_40gb.

public SolvingStatistics decommissioning_40gb() throws SchedulerException {
    // Set nb of nodes and vms
    int nbNodesRack = 24;
    int nbSrcNodes = nbNodesRack * 8;
    int nbDstNodes = nbNodesRack * 4;
    int nbVMs = nbSrcNodes * 2;
    // Set mem + cpu for VMs and Nodes
    int memVM = 4, cpuVM = 1;
    int memSrcNode = 16, cpuSrcNode = 4;
    int memDstNode = 16, cpuDstNode = 4;
    // Set memoryUsed and dirtyRate (for all VMs)
    int tpl1MemUsed = 2000, tpl1MaxDirtySize = 5, tpl1MaxDirtyDuration = 3;
    // idle vm
    double tpl1DirtyRate = 0;
    int tpl2MemUsed = 4000, tpl2MaxDirtySize = 96, tpl2MaxDirtyDuration = 2;
    // stress --vm 1000 --bytes 70K
    double tpl2DirtyRate = 3;
    int tpl3MemUsed = 2000, tpl3MaxDirtySize = 96, tpl3MaxDirtyDuration = 2;
    // stress --vm 1000 --bytes 70K
    double tpl3DirtyRate = 3;
    int tpl4MemUsed = 4000, tpl4MaxDirtySize = 5, tpl4MaxDirtyDuration = 3;
    // idle vm
    double tpl4DirtyRate = 0;
    // New default model
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    // Create online source nodes and offline destination nodes
    List<Node> srcNodes = new ArrayList<>(), dstNodes = new ArrayList<>();
    for (int i = 0; i < nbSrcNodes; i++) {
        srcNodes.add(mo.newNode());
        ma.addOnlineNode(srcNodes.get(i));
    }
    for (int i = 0; i < nbDstNodes; i++) {
        dstNodes.add(mo.newNode());
        ma.addOfflineNode(dstNodes.get(i));
    }
    // Set boot and shutdown time
    for (Node n : dstNodes) {
        mo.getAttributes().put(n, "boot", 120);
    /*~2 minutes to boot*/
    }
    for (Node n : srcNodes) {
        mo.getAttributes().put(n, "shutdown", 17);
    /*~30 seconds to shutdown*/
    }
    // Create running VMs on src nodes
    List<VM> vms = new ArrayList<>();
    VM v;
    for (int i = 0; i < nbSrcNodes; i++) {
        if (i % 2 == 0) {
            v = mo.newVM();
            vms.add(v);
            mo.getAttributes().put(v, "memUsed", tpl1MemUsed);
            mo.getAttributes().put(v, "coldDirtyRate", tpl1DirtyRate);
            mo.getAttributes().put(v, "hotDirtySize", tpl1MaxDirtySize);
            mo.getAttributes().put(v, "hotDirtyDuration", tpl1MaxDirtyDuration);
            ma.addRunningVM(v, srcNodes.get(i));
            v = mo.newVM();
            vms.add(v);
            mo.getAttributes().put(v, "memUsed", tpl2MemUsed);
            mo.getAttributes().put(v, "coldDirtyRate", tpl2DirtyRate);
            mo.getAttributes().put(v, "hotDirtySize", tpl2MaxDirtySize);
            mo.getAttributes().put(v, "hotDirtyDuration", tpl2MaxDirtyDuration);
            ma.addRunningVM(v, srcNodes.get(i));
        } else {
            v = mo.newVM();
            vms.add(v);
            mo.getAttributes().put(v, "memUsed", tpl3MemUsed);
            mo.getAttributes().put(v, "coldDirtyRate", tpl3DirtyRate);
            mo.getAttributes().put(v, "hotDirtySize", tpl3MaxDirtySize);
            mo.getAttributes().put(v, "hotDirtyDuration", tpl3MaxDirtyDuration);
            ma.addRunningVM(v, srcNodes.get(i));
            v = mo.newVM();
            vms.add(v);
            mo.getAttributes().put(v, "memUsed", tpl4MemUsed);
            mo.getAttributes().put(v, "coldDirtyRate", tpl4DirtyRate);
            mo.getAttributes().put(v, "hotDirtySize", tpl4MaxDirtySize);
            mo.getAttributes().put(v, "hotDirtyDuration", tpl4MaxDirtyDuration);
            ma.addRunningVM(v, srcNodes.get(i));
        }
    }
    // Add resource decorators
    ShareableResource rcMem = new ShareableResource("mem", 0, 0);
    ShareableResource rcCPU = new ShareableResource("cpu", 0, 0);
    for (Node n : srcNodes) {
        rcMem.setCapacity(n, memSrcNode);
        rcCPU.setCapacity(n, cpuSrcNode);
    }
    for (Node n : dstNodes) {
        rcMem.setCapacity(n, memDstNode);
        rcCPU.setCapacity(n, cpuDstNode);
    }
    for (VM vm : vms) {
        rcMem.setConsumption(vm, memVM);
        rcCPU.setConsumption(vm, cpuVM);
    }
    mo.attach(rcMem);
    mo.attach(rcCPU);
    // Add a NetworkView view
    Network net = new Network();
    Switch swSrcRack1 = net.newSwitch();
    Switch swSrcRack2 = net.newSwitch();
    Switch swSrcRack3 = net.newSwitch();
    Switch swSrcRack4 = net.newSwitch();
    Switch swSrcRack5 = net.newSwitch();
    Switch swSrcRack6 = net.newSwitch();
    Switch swSrcRack7 = net.newSwitch();
    Switch swSrcRack8 = net.newSwitch();
    Switch swDstRack1 = net.newSwitch();
    Switch swDstRack2 = net.newSwitch();
    Switch swDstRack3 = net.newSwitch();
    Switch swDstRack4 = net.newSwitch();
    Switch swMain = net.newSwitch();
    net.connect(1000, swSrcRack1, srcNodes.subList(0, nbNodesRack));
    net.connect(1000, swSrcRack2, srcNodes.subList(nbNodesRack, nbNodesRack * 2));
    net.connect(1000, swSrcRack3, srcNodes.subList(nbNodesRack * 2, nbNodesRack * 3));
    net.connect(1000, swSrcRack4, srcNodes.subList(nbNodesRack * 3, nbNodesRack * 4));
    net.connect(1000, swSrcRack5, srcNodes.subList(nbNodesRack * 4, nbNodesRack * 5));
    net.connect(1000, swSrcRack6, srcNodes.subList(nbNodesRack * 5, nbNodesRack * 6));
    net.connect(1000, swSrcRack7, srcNodes.subList(nbNodesRack * 6, nbNodesRack * 7));
    net.connect(1000, swSrcRack8, srcNodes.subList(nbNodesRack * 7, nbNodesRack * 8));
    net.connect(1000, swDstRack1, dstNodes.subList(0, nbNodesRack));
    net.connect(1000, swDstRack2, dstNodes.subList(nbNodesRack, nbNodesRack * 2));
    net.connect(1000, swDstRack3, dstNodes.subList(nbNodesRack * 2, nbNodesRack * 3));
    net.connect(1000, swDstRack4, dstNodes.subList(nbNodesRack * 3, nbNodesRack * 4));
    net.connect(40000, swMain, swSrcRack1, swSrcRack2, swSrcRack3, swSrcRack4, swSrcRack5, swSrcRack6, swSrcRack7, swSrcRack8, swDstRack1, swDstRack2, swDstRack3, swDstRack4);
    mo.attach(net);
    // net.generateDot(path + "topology.dot", false);
    // Set parameters
    DefaultParameters ps = new DefaultParameters();
    ps.setVerbosity(0);
    ps.setTimeLimit(60);
    // ps.setMaxEnd(600);
    ps.doOptimize(false);
    // Migrate all VMs to destination nodes
    List<SatConstraint> cstrs = new ArrayList<>();
    int vm_num = 0;
    for (int i = 0; i < nbDstNodes; i++) {
        cstrs.add(new Fence(vms.get(vm_num), Collections.singleton(dstNodes.get(i))));
        cstrs.add(new Fence(vms.get(vm_num + 1), Collections.singleton(dstNodes.get(i))));
        cstrs.add(new Fence(vms.get(nbVMs - 1 - vm_num), Collections.singleton(dstNodes.get(i))));
        cstrs.add(new Fence(vms.get(nbVMs - 2 - vm_num), Collections.singleton(dstNodes.get(i))));
        vm_num += 2;
    }
    // Shutdown source nodes
    cstrs.addAll(srcNodes.stream().map(Offline::new).collect(Collectors.toList()));
    // Set a custom objective
    DefaultChocoScheduler sc = new DefaultChocoScheduler(ps);
    Instance i = new Instance(mo, cstrs, new MinMTTRMig());
    ReconfigurationPlan p;
    try {
        p = sc.solve(i);
        Assert.assertNotNull(p);
    } catch (Exception e) {
        e.printStackTrace();
    }
    // finally {
    return sc.getStatistics();
// }
}

Example 2 with DefaultChocoScheduler

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

the class ScriptBuilderTest method testResolution.

@Test
public void testResolution() throws Exception {
    Model mo = new DefaultModel();
    ScriptBuilder b = new ScriptBuilder(mo);
    NamingService<Node> nsNodes = b.getNamingServiceNodes();
    NamingService<VM> nsVMs = b.getNamingServiceVMs();
    for (int i = 1; i < 10; i++) {
        if (i <= 5) {
            Node n = mo.newNode();
            mo.getMapping().addOnlineNode(n);
            nsNodes.register(n, "@N" + i);
        }
        VM v = mo.newVM();
        nsVMs.register(v, "ns.VM" + i);
        mo.getMapping().addReadyVM(v);
    }
    // TemplateFactory tpf = new DefaultTemplateFactory(b.getNamingService(), true);
    // b.setTemplateFactory(tpf);
    Script scr = b.build("namespace ns;\n" + "VM[1..10] : tiny;\n" + "@N[1..5]: default;\n" + "$vms = VM[1..10];\n" + "running($vms);\n" + ">>split($vms / 2);\n");
    Assert.assertEquals(mo.getMapping().getNbNodes(), 5);
    Assert.assertEquals(mo.getMapping().getNbVMs(), 10);
    ChocoScheduler ra = new DefaultChocoScheduler();
    ReconfigurationPlan p = ra.solve(mo, scr.getConstraints());
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getSize(), 10);
}

Example 3 with DefaultChocoScheduler

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

the class RelocatableVMTest method testRelocateDueToPreserve.

@Test
public void testRelocateDueToPreserve() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    final VM vm1 = mo.newVM();
    final VM vm2 = mo.newVM();
    final VM vm3 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addRunningVM(vm1, n1);
    map.addRunningVM(vm2, n1);
    map.addRunningVM(vm3, n2);
    org.btrplace.model.view.ShareableResource rc = new ShareableResource("cpu", 10, 10);
    rc.setCapacity(n1, 7);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 3);
    rc.setConsumption(vm3, 5);
    Preserve pr = new Preserve(vm1, "cpu", 5);
    ChocoScheduler cra = new DefaultChocoScheduler();
    mo.attach(rc);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    cstrs.addAll(Overbook.newOverbooks(map.getAllNodes(), "cpu", 1));
    cstrs.add(pr);
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
}

Example 4 with DefaultChocoScheduler

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

the class RelocatableVMTest method testReinstantiationWithPreserve.

@Test
public void testReinstantiationWithPreserve() throws SchedulerException {
    Model mo = new DefaultModel();
    Mapping map = mo.getMapping();
    VM vm5 = mo.newVM();
    VM vm6 = mo.newVM();
    VM vm7 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    map.addOnlineNode(n1);
    map.addOnlineNode(n2);
    map.addRunningVM(vm5, n1);
    map.addRunningVM(vm6, n1);
    map.addRunningVM(vm7, n2);
    ShareableResource rc = new ShareableResource("cpu", 10, 10);
    rc.setCapacity(n1, 7);
    rc.setConsumption(vm5, 3);
    rc.setConsumption(vm6, 3);
    rc.setConsumption(vm7, 5);
    for (VM vm : map.getAllVMs()) {
        mo.getAttributes().put(vm, "template", "small");
        mo.getAttributes().put(vm, "clone", true);
    }
    Preserve pr = new Preserve(vm5, "cpu", 5);
    ChocoScheduler cra = new DefaultChocoScheduler();
    cra.getDurationEvaluators().register(MigrateVM.class, new ConstantActionDuration<>(20));
    mo.attach(rc);
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.addAll(Online.newOnline(map.getAllNodes()));
    cstrs.add(pr);
    cra.doOptimize(true);
    try {
        ReconfigurationPlan p = cra.solve(mo, cstrs);
        Assert.assertNotNull(p);
    } catch (SchedulerException e) {
        Assert.fail(e.getMessage(), e);
    }
}

Example 5 with DefaultChocoScheduler

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

the class CShareableResourceTest method testDefaultOverbookRatio.

/**
 * The default overbooking ratio of 1 will make this problem having no solution.
 */
@Test
public void testDefaultOverbookRatio() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    Node n1 = mo.newNode();
    mo.getMapping().on(n1).run(n1, vm1, vm2);
    ShareableResource rc = new ShareableResource("foo", 0, 0);
    rc.setConsumption(vm1, 2);
    rc.setConsumption(vm2, 3);
    rc.setCapacity(n1, 5);
    mo.attach(rc);
    ChocoScheduler s = new DefaultChocoScheduler();
    List<SatConstraint> cstrs = new ArrayList<>();
    cstrs.add(new Fence(vm1, n1));
    cstrs.add(new Preserve(vm2, "foo", 4));
    // rp.solve(0, false);
    ReconfigurationPlan p = s.solve(mo, cstrs);
    Assert.assertNull(p);
}