Examples with ShareableResource org.btrplace.model.view.ShareableResource used on opensource projects

Example 76 with ShareableResource

use of org.btrplace.model.view.ShareableResource in project scheduler by btrplace.

the class CResourceCapacityTest method testWithSatisfiedConstraint.

@Test
public void testWithSatisfiedConstraint() 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();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2, n3).run(n1, vm1, vm2).run(n3, vm3, vm4).sleep(n2, vm5);
    ShareableResource rc = new ShareableResource("cpu", 5, 5);
    rc.setConsumption(vm1, 2);
    rc.setConsumption(vm2, 3);
    rc.setConsumption(vm3, 3);
    rc.setConsumption(vm4, 1);
    rc.setConsumption(vm5, 5);
    mo.attach(rc);
    List<SatConstraint> l = new ArrayList<>();
    ResourceCapacity x = new ResourceCapacity(map.getAllNodes(), "cpu", 10);
    x.setContinuous(false);
    l.add(x);
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan plan = cra.solve(mo, l);
    Assert.assertNotNull(plan);
    Assert.assertEquals(plan.getSize(), 0);
}

Example 77 with ShareableResource

use of org.btrplace.model.view.ShareableResource in project scheduler by btrplace.

the class CResourceCapacityTest method testSingleContinuousSolvable.

@Test
public void testSingleContinuousSolvable() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2).run(n1, vm1, vm2).ready(vm4);
    ShareableResource rc = new ShareableResource("cpu", 5, 5);
    rc.setConsumption(vm1, 3);
    rc.setConsumption(vm2, 1);
    rc.setConsumption(vm3, 1);
    rc.setConsumption(vm4, 3);
    mo.attach(rc);
    List<SatConstraint> cstrs = new ArrayList<>();
    ResourceCapacity s = new ResourceCapacity(n1, "cpu", 4);
    s.setContinuous(true);
    cstrs.add(s);
    cstrs.add(new Fence(vm4, Collections.singleton(n1)));
    cstrs.add(new Running(vm4));
    cstrs.addAll(Overbook.newOverbooks(map.getAllNodes(), "cpu", 1));
    ChocoScheduler cra = new DefaultChocoScheduler();
    ReconfigurationPlan p = cra.solve(mo, cstrs);
    Assert.assertNotNull(p);
    Assert.assertEquals(p.getSize(), 2);
}

Example 78 with ShareableResource

use of org.btrplace.model.view.ShareableResource in project scheduler by btrplace.

the class CDeadlineTest method testOk.

@Test
public void testOk() throws SchedulerException {
    // New default model
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    // Create and boot 2 source nodes and 1 destination node
    Node srcNode1 = mo.newNode(), srcNode2 = mo.newNode(), dstNode = mo.newNode();
    ma.addOnlineNode(srcNode1);
    ma.addOnlineNode(srcNode2);
    ma.addOnlineNode(dstNode);
    // Attach a network view
    Network net = new Network();
    mo.attach(net);
    // Connect the nodes through a main non-blocking switch
    // The destination node have twice the bandwidth of source nodes
    Switch swMain = net.newSwitch();
    net.connect(1000, swMain, srcNode1, srcNode2);
    net.connect(2000, swMain, dstNode);
    // Create and host 1 VM per source node
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    ma.addRunningVM(vm1, srcNode1);
    ma.addRunningVM(vm2, srcNode2);
    // Attach CPU and Mem resource views and assign nodes capacity and VMs consumption
    int mem_vm = 8, cpu_vm = 4, mem_src = 8, cpu_src = 4, mem_dst = 16, cpu_dst = 8;
    ShareableResource rcMem = new ShareableResource("mem", 0, 0), rcCPU = new ShareableResource("cpu", 0, 0);
    mo.attach(rcMem);
    mo.attach(rcCPU);
    // VMs
    rcMem.setConsumption(vm1, mem_vm).setConsumption(vm2, mem_vm);
    rcCPU.setConsumption(vm1, cpu_vm).setConsumption(vm2, cpu_vm);
    // Nodes
    rcMem.setCapacity(srcNode1, mem_src).setCapacity(srcNode2, mem_src).setCapacity(dstNode, mem_dst);
    rcCPU.setCapacity(srcNode1, cpu_src).setCapacity(srcNode2, cpu_src).setCapacity(dstNode, cpu_dst);
    // Set VM attributes 'memory used', 'hot dirty page size', 'hot dirty page duration' and 'cold dirty pages rate'
    int vm_mu = 6000, vm_mds = 46, vm_mdd = 2;
    double vm_cdr = 23.6;
    // vm1 is an 'idle' VM (with no special memory activity) but still consumes 6 GiB of memory
    mo.getAttributes().put(vm1, "memUsed", vm_mu);
    // vm2 consumes 6 GiB memory and has a memory intensive workload equivalent to "stress --vm 1000 --bytes 50K"
    // VM with a workload
    mo.getAttributes().put(vm2, "memUsed", vm_mu);
    mo.getAttributes().put(vm2, "hotDirtySize", vm_mds);
    mo.getAttributes().put(vm2, "hotDirtyDuration", vm_mdd);
    mo.getAttributes().put(vm2, "coldDirtyRate", vm_cdr);
    // Create constraints
    List<SatConstraint> cstrs = new ArrayList<>();
    // Placement constraints, we want to shutdown the source nodes to force the migration to destination nodes
    cstrs.add(new Offline(srcNode1));
    cstrs.add(new Offline(srcNode2));
    // SET A RELATIVE DEADLINE FOR THE MIGRATION OF VM2
    // 90s
    Deadline dead = new Deadline(vm2, "+00:01:30");
    cstrs.add(dead);
    // Solve it using the Min Max Time To Repair Migration scheduling oriented objective
    ReconfigurationPlan p = new DefaultChocoScheduler().solve(mo, cstrs, new MinMTTRMig());
    // It works because 30s is enough to fully migrate vm2
    Assert.assertNotNull(p);
    // Check if the deadline is respected
    Action mig1 = p.getActions().stream().filter(s -> s instanceof MigrateVM && ((MigrateVM) s).getVM().equals(vm1)).findAny().get();
    Assert.assertTrue(mig1.getEnd() <= 90);
    // TODO: use methods on DeadlineChecker to verify that the action terminates at time ?
    Assert.assertTrue(dead.isSatisfied(p));
}

Example 79 with ShareableResource

use of org.btrplace.model.view.ShareableResource in project scheduler by btrplace.

the class CPrecedenceTest method testOk.

@Test
public void testOk() throws SchedulerException {
    // New default model
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    // Create and boot 2 source nodes and 1 destination node
    Node srcNode1 = mo.newNode(), srcNode2 = mo.newNode(), dstNode = mo.newNode();
    ma.addOnlineNode(srcNode1);
    ma.addOnlineNode(srcNode2);
    ma.addOnlineNode(dstNode);
    // Attach a network view
    Network net = new Network();
    mo.attach(net);
    // Connect the nodes through a main non-blocking switch
    // The destination node have twice the bandwidth of source nodes
    Switch swMain = net.newSwitch();
    net.connect(1000, swMain, srcNode1, srcNode2);
    net.connect(2000, swMain, dstNode);
    // Create and host 1 VM per source node
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    ma.addRunningVM(vm1, srcNode1);
    ma.addRunningVM(vm2, srcNode2);
    // Attach CPU and Mem resource views and assign nodes capacity and VMs consumption
    int mem_vm = 8, cpu_vm = 4, mem_src = 8, cpu_src = 4, mem_dst = 16, cpu_dst = 8;
    ShareableResource rcMem = new ShareableResource("mem", 0, 0), rcCPU = new ShareableResource("cpu", 0, 0);
    mo.attach(rcMem);
    mo.attach(rcCPU);
    // VMs
    rcMem.setConsumption(vm1, mem_vm).setConsumption(vm2, mem_vm);
    rcCPU.setConsumption(vm1, cpu_vm).setConsumption(vm2, cpu_vm);
    // Nodes
    rcMem.setCapacity(srcNode1, mem_src).setCapacity(srcNode2, mem_src).setCapacity(dstNode, mem_dst);
    rcCPU.setCapacity(srcNode1, cpu_src).setCapacity(srcNode2, cpu_src).setCapacity(dstNode, cpu_dst);
    // Set VM attributes 'memory used', 'hot dirty page size', 'hot dirty page duration' and 'cold dirty pages rate'
    int vm_mu = 6000, vm_mds = 46, vm_mdd = 2;
    double vm_cdr = 23.6;
    // vm1 is an 'idle' VM (with no special memory activity) but still consumes 6 GiB of memory
    mo.getAttributes().put(vm1, "memUsed", vm_mu);
    // vm2 consumes 6 GiB memory and has a memory intensive workload equivalent to "stress --vm 1000 --bytes 50K"
    // VM with a workload
    mo.getAttributes().put(vm2, "memUsed", vm_mu);
    mo.getAttributes().put(vm2, "hotDirtySize", vm_mds);
    mo.getAttributes().put(vm2, "hotDirtyDuration", vm_mdd);
    mo.getAttributes().put(vm2, "coldDirtyRate", vm_cdr);
    // Create constraints
    List<SatConstraint> cstrs = new ArrayList<>();
    // Placement constraints, we want to shutdown the source nodes to force the migration to destination nodes
    cstrs.add(new Offline(srcNode1));
    cstrs.add(new Offline(srcNode2));
    // MIGRATE VM2 BEFORE VM1
    Precedence prec = new Precedence(vm2, vm1);
    cstrs.add(prec);
    // Solve it using the Min Max Time To Repair Migration scheduling oriented objective
    ReconfigurationPlan p = new DefaultChocoScheduler().solve(mo, cstrs, new MinMTTRMig());
    Assert.assertNotNull(p);
    // Check if the precedence constraint is respected
    Action mig1 = p.getActions().stream().filter(s -> s instanceof MigrateVM && ((MigrateVM) s).getVM().equals(vm1)).findAny().get();
    Action mig2 = p.getActions().stream().filter(s -> s instanceof MigrateVM && ((MigrateVM) s).getVM().equals(vm2)).findAny().get();
    Assert.assertTrue(mig1.getStart() >= mig2.getEnd());
    // TODO: use methods on PrecedenceChecker to verify that the migrations are in the expected order ?
    Assert.assertTrue(prec.isSatisfied(p));
}

Example 80 with ShareableResource

use of org.btrplace.model.view.ShareableResource in project scheduler by btrplace.

the class CSerializeTest method testOk.

@Test
public void testOk() throws SchedulerException {
    // New default model
    Model mo = new DefaultModel();
    Mapping ma = mo.getMapping();
    // Create and boot 2 source nodes and 1 destination node
    Node srcNode1 = mo.newNode(), srcNode2 = mo.newNode(), dstNode = mo.newNode();
    ma.addOnlineNode(srcNode1);
    ma.addOnlineNode(srcNode2);
    ma.addOnlineNode(dstNode);
    // Attach a network view
    Network net = new Network();
    mo.attach(net);
    // Connect the nodes through a main non-blocking switch
    // The destination node have twice the bandwidth of source nodes
    Switch swMain = net.newSwitch();
    net.connect(1000, swMain, srcNode1, srcNode2);
    net.connect(2000, swMain, dstNode);
    // Create and host 1 VM per source node
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    ma.addRunningVM(vm1, srcNode1);
    ma.addRunningVM(vm2, srcNode2);
    // Attach CPU and Mem resource views and assign nodes capacity and VMs consumption
    int mem_vm = 8, cpu_vm = 4, mem_src = 8, cpu_src = 4, mem_dst = 16, cpu_dst = 8;
    ShareableResource rcMem = new ShareableResource("mem", 0, 0), rcCPU = new ShareableResource("cpu", 0, 0);
    mo.attach(rcMem);
    mo.attach(rcCPU);
    // VMs
    rcMem.setConsumption(vm1, mem_vm).setConsumption(vm2, mem_vm);
    rcCPU.setConsumption(vm1, cpu_vm).setConsumption(vm2, cpu_vm);
    // Nodes
    rcMem.setCapacity(srcNode1, mem_src).setCapacity(srcNode2, mem_src).setCapacity(dstNode, mem_dst);
    rcCPU.setCapacity(srcNode1, cpu_src).setCapacity(srcNode2, cpu_src).setCapacity(dstNode, cpu_dst);
    // Set VM attributes 'memory used', 'hot dirty page size', 'hot dirty page duration' and 'cold dirty pages rate'
    int vm_mu = 6000, vm_mds = 46, vm_mdd = 2;
    double vm_cdr = 23.6;
    // vm1 is an 'idle' VM (with no special memory activity) but still consumes 6 GiB of memory
    mo.getAttributes().put(vm1, "memUsed", vm_mu);
    // vm2 consumes 6 GiB memory and has a memory intensive workload equivalent to "stress --vm 1000 --bytes 50K"
    // VM with a workload
    mo.getAttributes().put(vm2, "memUsed", vm_mu);
    mo.getAttributes().put(vm2, "hotDirtySize", vm_mds);
    mo.getAttributes().put(vm2, "hotDirtyDuration", vm_mdd);
    mo.getAttributes().put(vm2, "coldDirtyRate", vm_cdr);
    // Create constraints
    List<SatConstraint> cstrs = new ArrayList<>();
    // Placement constraints, we want to shutdown the source nodes to force the migration to destination nodes
    cstrs.add(new Offline(srcNode1));
    cstrs.add(new Offline(srcNode2));
    // SERIALIZE THE TWO MIGRATIONS
    Serialize serial = new Serialize(vm1, vm2);
    cstrs.add(serial);
    // Solve it using the Min Max Time To Repair Migration scheduling oriented objective
    ReconfigurationPlan p = new DefaultChocoScheduler().solve(mo, cstrs, new MinMTTRMig());
    Assert.assertNotNull(p);
    // Check if the serialize constraint is respected
    MigrateVM mig1 = (MigrateVM) p.getActions().stream().filter(s -> s instanceof MigrateVM && ((MigrateVM) s).getVM().equals(vm1)).findAny().get();
    MigrateVM mig2 = (MigrateVM) p.getActions().stream().filter(s -> s instanceof MigrateVM && ((MigrateVM) s).getVM().equals(vm2)).findAny().get();
    Assert.assertTrue(mig1.getStart() >= mig2.getEnd() || mig2.getStart() >= mig1.getEnd());
    // TODO: use methods on SerializeChecker to verify that the actions are serialized ?
    Assert.assertTrue(serial.isSatisfied(p));
}