/**
* Check the compatibility of the action with a source configuration. The hosting node must be
* online and hosting the sleeping the virtual machine
*
* @param src the configuration to check
* @return {@code true} if the action is compatible
*/
@Override
public boolean isCompatibleWith(Configuration src) {
return (src.isOnline(getHost())
&& src.isSleeping(getVirtualMachine())
&& src.getLocation(getVirtualMachine()).equals(getHost())
&& src.isOnline(getDestination()));
}
/* (non-Javadoc)
* @see entropy.monitoring.ConfigurationAdapter#extractConfiguration()
*/
@Override
public Configuration extractConfiguration() {
Configuration config = new SimpleConfiguration();
for (ServerType server : Utils.getAllServers(currentFit4Green)) {
Node node = getNode(server);
if (server.getStatus() == ServerStatusType.ON
|| server.getStatus()
== ServerStatusType
.POWERING_ON) { // POWERING_ON nodes are seen as ON by entropy as they will be
// soon on. This avoids ping-pong effect on the state.
config.addOnline(node);
for (VirtualMachineType VM : Utils.getVMs(server)) {
VirtualMachine vm = getVM(node, VM);
config.setRunOn(vm, node);
}
} else { // OFF, POWERING_OFF
config.addOffline(node);
}
}
return config;
}
public void test() {
Configuration cfg = new SimpleConfiguration();
Node n1 = new SimpleNode("N1", 1, 2, 3);
Node n2 = new SimpleNode("N2", 1, 2, 3);
Node n3 = new SimpleNode("N3", 1, 2, 3);
Node n4 = new SimpleNode("N4", 1, 2, 3);
cfg.addOnline(n1);
cfg.addOnline(n2);
cfg.addOnline(n3);
cfg.addOffline(n4);
VirtualMachine vm1 = new SimpleVirtualMachine("VM1", 1, 2, 3);
VirtualMachine vm2 = new SimpleVirtualMachine("VM2", 1, 2, 3);
VirtualMachine vm3 = new SimpleVirtualMachine("VM3", 1, 2, 3);
VirtualMachine vm4 = new SimpleVirtualMachine("VM4", 1, 2, 3);
VirtualMachine vm5 = new SimpleVirtualMachine("VM5", 1, 2, 3);
VirtualMachine vm6 = new SimpleVirtualMachine("VM6", 1, 2, 3);
VirtualMachine vm7 = new SimpleVirtualMachine("VM7", 1, 2, 3);
cfg.setRunOn(vm1, n1);
cfg.setRunOn(vm2, n1);
cfg.setSleepOn(vm3, n2);
cfg.setRunOn(vm4, n2);
cfg.addWaiting(vm5);
cfg.setRunOn(vm6, n3);
cfg.setRunOn(vm7, n3);
TimedReconfigurationPlan p = new DefaultTimedReconfigurationPlan(cfg);
Assert.assertTrue(p.add(new Migration(vm1, n1, n2, 0, 5)));
Assert.assertTrue(p.add(new Startup(n4, 0, 3)));
Assert.assertTrue(p.add(new Migration(vm6, n3, n2, 2, 5)));
Assert.assertTrue(p.add(new Suspend(vm7, n3, n4, 7, 10)));
Assert.assertTrue(p.add(new Run(vm5, n4, 0, 1)));
// Assert.assertTrue(p.add(new Pause(vm2, n1, 0, 5)));
// Assert.assertTrue(p.add(new UnPause(vm3, n1, 10, 15)));
Assert.assertTrue(p.add(new Stop(vm4, n2, 1, 2)));
Assert.assertTrue(p.add(new Shutdown(n3, 10, 15)));
ProtobufTimedReconfigurationPlanSerializer s =
ProtobufTimedReconfigurationPlanSerializer.getInstance();
File tmpF = null;
try {
tmpF = File.createTempFile("out", "out");
s.write(p, tmpF.getAbsolutePath());
TimedReconfigurationPlan r = s.read(tmpF.getAbsolutePath());
Assert.assertEquals(r, p);
} catch (IOException e) {
Assert.fail(e.getMessage(), e);
} catch (TimedReconfigurationPlanSerializerException e) {
Assert.fail(e.getMessage(), e);
} finally {
if (tmpF != null && tmpF.exists()) {
tmpF.delete();
}
}
}
public void testSimpleFence() {
Configuration cfg = new SimpleConfiguration();
// Some nodes
ExplodedSet<Node>[] parts = new ExplodedSet[4];
for (int i = 0; i < parts.length; i++) {
parts[i] = new ExplodedSet<Node>("$P" + (i + 1));
for (int j = 0; j < 5; j++) {
Node n = new SimpleNode("N" + (10 * i + j + 1), 10, 10, 10);
parts[i].add(n);
cfg.addOnline(n);
}
}
// Some VMs
ExplodedSet<VirtualMachine>[] apps = new ExplodedSet[5];
for (int i = 0; i < apps.length; i++) {
apps[i] = new ExplodedSet<VirtualMachine>("$A" + (i + 1));
for (int j = 0; j < 10; j++) {
VirtualMachine vm = new SimpleVirtualMachine("VM" + (i * 10 + j + 1), 1, 1, 1);
apps[i].add(vm);
cfg.addWaiting(vm);
}
}
PlanPartitioner part = new OtherPartitioning(cfg);
for (int i = 0; i < apps.length; i++) {
Fence f = new Fence(apps[i], parts[i % parts.length]);
try {
part.part(f);
} catch (PartitioningException e) {
Assert.fail();
}
}
List<Partition> ps = part.getResultingPartitions();
Assert.assertEquals(ps.size(), 4);
Assert.assertTrue(
ps.get(0).getNodes().equals(parts[0])
&& ps.get(0).getVirtualMachines().containsAll(apps[0])
&& ps.get(0).getVirtualMachines().containsAll(apps[4]));
Assert.assertTrue(
ps.get(1).getNodes().equals(parts[1])
&& ps.get(1).getVirtualMachines().containsAll(apps[1]));
Assert.assertTrue(
ps.get(2).getNodes().equals(parts[2])
&& ps.get(2).getVirtualMachines().containsAll(apps[2]));
Assert.assertTrue(
ps.get(3).getNodes().equals(parts[3])
&& ps.get(3).getVirtualMachines().containsAll(apps[3]));
}
/** Test oneOf in presence of a fence constraint */
public void testFenceOneOf() {
Configuration cfg = new SimpleConfiguration();
// Some nodes
ExplodedSet<Node>[] parts = new ExplodedSet[2];
for (int i = 0; i < parts.length; i++) {
parts[i] = new ExplodedSet<Node>("$P" + (i + 1));
for (int j = 0; j < 5; j++) {
Node n = new SimpleNode("N" + (10 * i + j + 1), 10, 10, 10);
parts[i].add(n);
cfg.addOnline(n);
}
}
// Some VMs
ExplodedSet<VirtualMachine> app = new ExplodedSet<VirtualMachine>("$A");
ExplodedSet<VirtualMachine> sub = new ExplodedSet<VirtualMachine>("$A/2");
for (int i = 0; i < 10; i++) {
VirtualMachine vm = new SimpleVirtualMachine("VM" + (i + 1), 1, 1, 1);
cfg.addWaiting(vm);
if (i < 5) {
sub.add(vm);
}
app.add(vm);
}
PlanPartitioner part = new OtherPartitioning(cfg);
ExplodedMultiSet<Node> m = new ExplodedMultiSet<Node>();
m.add(parts[0]);
m.add(parts[1]);
OneOf of = new OneOf(app, m);
Fence f = new Fence(app, parts[0]);
try {
part.part(f);
part.part(of);
} catch (PartitioningException e) {
Assert.fail(e.getMessage(), e);
}
part.getResultingPartitions();
}
private void make(Configuration cfg) {
VJob v = new BasicPlasmaVJob("vappHA");
ManagedElementSet<VirtualMachine> t1 = new SimpleManagedElementSet<VirtualMachine>();
t1.add(cfg.getAllVirtualMachines().get("vappHA.VM1"));
t1.add(cfg.getAllVirtualMachines().get("vappHA.VM2"));
t1.add(cfg.getAllVirtualMachines().get("vappHA.VM3"));
v.addConstraint(new ContinuousSpread(t1));
v.addVirtualMachine(cfg.getAllVirtualMachines().get("vappHA.VM10"));
v.addVirtualMachine(cfg.getAllVirtualMachines().get("vappHA.top"));
v.addVirtualMachine(cfg.getAllVirtualMachines().get("vappHA.middle"));
ManagedElementSet<Node> ns = new SimpleManagedElementSet<Node>();
ns.add(cfg.getOnlines().get("node-1"));
ns.add(cfg.getOnlines().get("node-2"));
v.addConstraint(new Capacity(ns, 15));
ManagedElementSet<Node> ns2 = new SimpleManagedElementSet<Node>();
ns2.add(cfg.getOnlines().get("node-3"));
ns2.add(cfg.getOnlines().get("node-4"));
Set<ManagedElementSet<Node>> x = new HashSet<ManagedElementSet<Node>>();
x.add(ns);
x.add(ns2);
v.addConstraint(new Among(t1, x));
v.addConstraint(new Ban(t1, ns2));
try {
ProtobufVJobSerializer.getInstance().write(v, RESOURCE);
} catch (Exception e) {
Assert.fail(e.getMessage(), e);
}
}
private Configuration makeConfiguration() {
Configuration cfg = new SimpleConfiguration();
for (int i = 1; i <= 20; i++) {
VirtualMachine vm = new SimpleVirtualMachine("vappHA.VM" + i);
cfg.addWaiting(vm);
if (i % 2 == 0) {
vm.setTemplate("foo");
} else {
vm.setTemplate("bar");
}
}
VirtualMachine vmX = new SimpleVirtualMachine("vappHA.top");
vmX.setTemplate("foo");
cfg.addWaiting(vmX);
VirtualMachine vmY = new SimpleVirtualMachine("vappHA.middle");
vmX.setTemplate("ttt");
cfg.addWaiting(vmY);
for (int i = 1; i <= 20; i++) {
Node n = new SimpleNode("node-" + i);
cfg.addOnline(n);
}
cfg.addOnline(new SimpleNode("node-frontend"));
return cfg;
}
/**
* The node is not known
*
* @throws VJobBuilderException
*/
@Test(expectedExceptions = {VJobBuilderException.class})
public void testUnknownNode() throws VJobBuilderException {
Configuration cfg = makeConfiguration();
// make(cfg);
cfg.remove(cfg.getAllNodes().get("node-4"));
VJobElementBuilder eB = new DefaultVJobElementBuilder(null);
eB.useConfiguration(cfg);
ProtobufVJobBuilder builder = new ProtobufVJobBuilder(eB);
DefaultPBConstraintsCatalog c = new DefaultPBConstraintsCatalog();
c.add(new AmongBuilder());
c.add(new LonelyBuilder());
c.add(new BanBuilder());
c.add(new CapacityBuilder());
c.add(new ContinuousSpreadBuilder());
builder.setConstraintCatalog(c);
try {
VJob v = builder.build(new File(RESOURCE));
System.out.println(v);
} catch (IOException e) {
Assert.fail(e.getMessage(), e);
}
}
public void test() {
Configuration src = TestHelper.readConfiguration(RESOURCES_DIR + "sample.txt");
ConfigurationSampler s = new CPUSampler(1000);
Configuration res = s.sample(src);
Assert.assertEquals(res.getOnlines().get("N1").getCPUCapacity(), 1);
Assert.assertEquals(res.getOnlines().get("N2").getCPUCapacity(), 2);
Assert.assertEquals(res.getOnlines().get("N3").getCPUCapacity(), 3);
Assert.assertEquals(res.getOfflines().get("N4").getCPUCapacity(), 4);
Assert.assertEquals(res.getRunnings().get("VM1").getCPUConsumption(), 1);
Assert.assertEquals(res.getRunnings().get("VM2").getCPUConsumption(), 2);
Assert.assertEquals(res.getSleepings().get("VM3").getCPUConsumption(), 3);
Assert.assertEquals(res.getWaitings().get("VM4").getCPUConsumption(), 4);
}
/**
* Check the compatibility of the action with a source and a destination configuration.
* Destination node must be online and running the VM on the destination configuration while VM
* must be sleeping on the hosting node on the source configuration The VM must be waiting in the
* source configuration.
*
* @param src the source configuration
* @param dst the configuration to reach
* @return true if the action is compatible with the configurations
*/
@Override
public boolean isCompatibleWith(Configuration src, Configuration dst) {
if (!src.isOnline(getHost())
|| !src.isSleeping(getVirtualMachine())
|| !src.getLocation(getVirtualMachine()).equals(getHost())) {
return false;
}
if (!dst.isOnline(getDestination())
|| !dst.isRunning(getVirtualMachine())
|| !dst.getLocation(getVirtualMachine()).equals(getDestination())) {
return false;
}
return true;
}
/** Test serialization/unserialization */
public void test() {
Configuration cfg = new SimpleConfiguration();
for (int i = 1; i <= 10; i++) {
Node n = new SimpleNode("N" + i, i, i + 1, i + 2);
if (i % 3 == 0) {
cfg.addOffline(n);
} else {
cfg.addOnline(n);
}
}
Random rnd = new Random();
for (int i = 1; i <= 20; i++) {
VirtualMachine vm = new SimpleVirtualMachine("VM" + i, i, i + 1, i + 2);
vm.setCPUDemand(i + 3);
vm.setCPUMax(i + 7);
Node n = cfg.getOnlines().get(rnd.nextInt(cfg.getOnlines().size()));
if (i % 3 == 0) {
cfg.setSleepOn(vm, n);
} else if (i % 5 == 0) {
cfg.addWaiting(vm);
} else {
cfg.setRunOn(vm, n);
}
}
FileConfigurationSerializer s = PlainTextConfigurationSerializer.getInstance();
File tmpF;
try {
tmpF = File.createTempFile("out", "out");
tmpF.deleteOnExit();
s.write(cfg, tmpF.getAbsolutePath());
Configuration r = s.read(tmpF.getAbsolutePath());
Assert.assertEquals(r, cfg);
} catch (IOException e) {
Assert.fail(e.getMessage(), e);
} catch (ConfigurationSerializerException e) {
Assert.fail(e.getMessage(), e);
}
}
public void insertVMtoAllocate(Configuration config, RequestType request) {
VirtualMachine VM = getVM(request);
config.addWaiting(VM);
}
@Override
public boolean apply(Configuration c) {
return c.setRunOn(this.getVirtualMachine(), this.getDestination());
}
