Examples with SatConstraint org.btrplace.model.constraint.SatConstraint used on opensource projects

Example 71 with SatConstraint

use of org.btrplace.model.constraint.SatConstraint in project scheduler by btrplace.

the class RunningCapacityBuilderTest method testGoodSignatures.

@Test(dataProvider = "goodCapacities")
public void testGoodSignatures(String str, int nbNodes, int capa, 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;\n" + str).getConstraints();
    Assert.assertEquals(cstrs.size(), 1);
    RunningCapacity x = (RunningCapacity) cstrs.iterator().next();
    Assert.assertEquals(x.getInvolvedNodes().size(), nbNodes);
    Assert.assertEquals(x.getAmount(), capa);
    Assert.assertEquals(x.isContinuous(), c);
}

Example 72 with SatConstraint

use of org.btrplace.model.constraint.SatConstraint in project scheduler by btrplace.

the class UCC15 method decommissioning_100gb.

public SolvingStatistics decommissioning_100gb() throws SchedulerException {
    // Set nb of nodes and vms
    int nbNodesRack = 24;
    int nbSrcNodes = nbNodesRack * 20;
    int nbDstNodes = nbNodesRack * 10;
    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", 1);
    /*~2 minutes to boot*/
    }
    for (Node n : srcNodes) {
        mo.getAttributes().put(n, "shutdown", 1);
    /*~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 swSrcRack9 = net.newSwitch();
    Switch swSrcRack10 = net.newSwitch();
    Switch swSrcRack11 = net.newSwitch();
    Switch swSrcRack12 = net.newSwitch();
    Switch swSrcRack13 = net.newSwitch();
    Switch swSrcRack14 = net.newSwitch();
    Switch swSrcRack15 = net.newSwitch();
    Switch swSrcRack16 = net.newSwitch();
    Switch swSrcRack17 = net.newSwitch();
    Switch swSrcRack18 = net.newSwitch();
    Switch swSrcRack19 = net.newSwitch();
    Switch swSrcRack20 = net.newSwitch();
    Switch swDstRack1 = net.newSwitch();
    Switch swDstRack2 = net.newSwitch();
    Switch swDstRack3 = net.newSwitch();
    Switch swDstRack4 = net.newSwitch();
    Switch swDstRack5 = net.newSwitch();
    Switch swDstRack6 = net.newSwitch();
    Switch swDstRack7 = net.newSwitch();
    Switch swDstRack8 = net.newSwitch();
    Switch swDstRack9 = net.newSwitch();
    Switch swDstRack10 = 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, swSrcRack9, srcNodes.subList(nbNodesRack * 8, nbNodesRack * 9));
    net.connect(1000, swSrcRack10, srcNodes.subList(nbNodesRack * 9, nbNodesRack * 10));
    net.connect(1000, swSrcRack11, srcNodes.subList(nbNodesRack * 10, nbNodesRack * 11));
    net.connect(1000, swSrcRack12, srcNodes.subList(nbNodesRack * 11, nbNodesRack * 12));
    net.connect(1000, swSrcRack13, srcNodes.subList(nbNodesRack * 12, nbNodesRack * 13));
    net.connect(1000, swSrcRack14, srcNodes.subList(nbNodesRack * 13, nbNodesRack * 14));
    net.connect(1000, swSrcRack15, srcNodes.subList(nbNodesRack * 14, nbNodesRack * 15));
    net.connect(1000, swSrcRack16, srcNodes.subList(nbNodesRack * 15, nbNodesRack * 16));
    net.connect(1000, swSrcRack17, srcNodes.subList(nbNodesRack * 16, nbNodesRack * 17));
    net.connect(1000, swSrcRack18, srcNodes.subList(nbNodesRack * 17, nbNodesRack * 18));
    net.connect(1000, swSrcRack19, srcNodes.subList(nbNodesRack * 18, nbNodesRack * 19));
    net.connect(1000, swSrcRack20, srcNodes.subList(nbNodesRack * 19, nbNodesRack * 20));
    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(1000, swDstRack5, dstNodes.subList(nbNodesRack * 4, nbNodesRack * 5));
    net.connect(1000, swDstRack6, dstNodes.subList(nbNodesRack * 5, nbNodesRack * 6));
    net.connect(1000, swDstRack7, dstNodes.subList(nbNodesRack * 6, nbNodesRack * 7));
    net.connect(1000, swDstRack8, dstNodes.subList(nbNodesRack * 7, nbNodesRack * 8));
    net.connect(1000, swDstRack9, dstNodes.subList(nbNodesRack * 8, nbNodesRack * 9));
    net.connect(1000, swDstRack10, dstNodes.subList(nbNodesRack * 9, nbNodesRack * 10));
    net.connect(100000, swMain, swSrcRack1, swSrcRack2, swSrcRack3, swSrcRack4, swSrcRack5, swSrcRack6, swSrcRack7, swSrcRack8, swSrcRack9, swSrcRack10, swSrcRack11, swSrcRack12, swSrcRack13, swSrcRack14, swSrcRack15, swSrcRack16, swSrcRack17, swSrcRack18, swSrcRack19, swSrcRack20, swDstRack1, swDstRack2, swDstRack3, swDstRack4, swDstRack5, swDstRack6, swDstRack7, swDstRack8, swDstRack9, swDstRack10);
    mo.attach(net);
    // net.generateDot(path + "topology.dot", false);
    // Set parameters
    DefaultParameters ps = new DefaultParameters();
    ps.setVerbosity(0);
    ps.setTimeLimit(0);
    // 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);
        System.out.println(sc.getStatistics());
        Assert.assertNotNull(p);
    } catch (Exception e) {
        e.printStackTrace();
    }
    // finally {
    return sc.getStatistics();
// }
}

Example 73 with SatConstraint

use of org.btrplace.model.constraint.SatConstraint in project scheduler by btrplace.

the class UCC15 method decommissioning_10gb.

public SolvingStatistics decommissioning_10gb() throws SchedulerException {
    // Set nb of nodes and vms
    int nbNodesRack = 24;
    int nbSrcNodes = nbNodesRack * 2;
    int nbDstNodes = nbNodesRack * 1;
    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);
    /*~17 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 swDstRack1 = 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, swDstRack1, dstNodes.subList(0, nbNodesRack));
    net.connect(10000, swMain, swSrcRack1, swSrcRack2, swDstRack1);
    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 74 with SatConstraint

use of org.btrplace.model.constraint.SatConstraint in project scheduler by btrplace.

the class UCC15 method decommissioning_20gb.

public SolvingStatistics decommissioning_20gb() throws SchedulerException {
    // Set nb of nodes and vms
    int nbNodesRack = 24;
    int nbSrcNodes = nbNodesRack * 4;
    int nbDstNodes = nbNodesRack * 2;
    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 swDstRack1 = net.newSwitch();
    Switch swDstRack2 = 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, swDstRack1, dstNodes.subList(0, nbNodesRack));
    net.connect(1000, swDstRack2, dstNodes.subList(nbNodesRack, nbNodesRack * 2));
    net.connect(20000, swMain, swSrcRack1, swSrcRack2, swSrcRack3, swSrcRack4, swDstRack1, swDstRack2);
    mo.attach(net);
    // net.generateDot(path + "topology.dot", false);
    // Set parameters
    DefaultParameters ps = new DefaultParameters();
    ps.setVerbosity(0);
    ps.setTimeLimit(10);
    // 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 75 with SatConstraint

use of org.btrplace.model.constraint.SatConstraint in project scheduler by btrplace.

the class Script method toString.

@Override
public String toString() {
    StringBuilder buf = new StringBuilder();
    buf.append(id()).append("{\n");
    buf.append(" vms: ").append(vms).append("\n");
    buf.append(" nodes: ").append(nodes).append("\n");
    buf.append(" exported: ").append(exported).append("\n");
    buf.append(" constraints:\n");
    for (SatConstraint c : cstrs) {
        buf.append("\t").append(c).append("\n");
    }
    buf.append("}\n");
    return buf.toString();
}