private void setInstanceInitiatedShutdownBehaviorForInstanceInRegion() {
try {
client
.getInstanceServices()
.setInstanceInitiatedShutdownBehaviorForInstanceInRegion(
null, ebsInstance.getId(), InstanceInitiatedShutdownBehavior.STOP);
assertEquals(
InstanceInitiatedShutdownBehavior.STOP,
client
.getInstanceServices()
.getInstanceInitiatedShutdownBehaviorForInstanceInRegion(null, ebsInstance.getId()));
client
.getInstanceServices()
.setInstanceInitiatedShutdownBehaviorForInstanceInRegion(
null, ebsInstance.getId(), InstanceInitiatedShutdownBehavior.TERMINATE);
assertEquals(
InstanceInitiatedShutdownBehavior.TERMINATE,
client
.getInstanceServices()
.getInstanceInitiatedShutdownBehaviorForInstanceInRegion(null, ebsInstance.getId()));
System.out.println("OK: setInstanceInitiatedShutdownBehaviorForInstanceInRegion");
} catch (Exception e) {
System.err.println("setInstanceInitiatedShutdownBehaviorForInstanceInRegion");
e.printStackTrace();
}
}
private void setBlockDeviceMappingForInstanceInRegion() {
String volumeId = ebsInstance.getEbsBlockDevices().get("/dev/sda1").getVolumeId();
Map<String, BlockDevice> mapping = Maps.newLinkedHashMap();
mapping.put("/dev/sda1", new BlockDevice(volumeId, false));
try {
client
.getInstanceServices()
.setBlockDeviceMappingForInstanceInRegion(null, ebsInstance.getId(), mapping);
Map<String, BlockDevice> devices =
client
.getInstanceServices()
.getBlockDeviceMappingForInstanceInRegion(null, ebsInstance.getId());
assertEquals(devices.size(), 1);
String deviceName = Iterables.getOnlyElement(devices.keySet());
BlockDevice device = Iterables.getOnlyElement(devices.values());
assertEquals(device.getVolumeId(), volumeId);
assertEquals(deviceName, "/dev/sda1");
assertEquals(device.isDeleteOnTermination(), false);
System.out.println("OK: setBlockDeviceMappingForInstanceInRegion");
} catch (Exception e) {
System.err.println("setBlockDeviceMappingForInstanceInRegion");
e.printStackTrace();
}
}
private RunningInstance blockUntilWeCanSshIntoInstance(RunningInstance instance)
throws UnknownHostException {
System.out.printf(
"%d: %s awaiting instance to run %n", System.currentTimeMillis(), instance.getId());
assert runningTester.apply(instance);
// search my identity for the instance I just created
Set<? extends Reservation<? extends RunningInstance>> reservations =
client
.getInstanceServices()
.describeInstancesInRegion(instance.getRegion(), instance.getId()); // last
// parameter
// (ids)
// narrows
// the
// search
instance = Iterables.getOnlyElement(Iterables.getOnlyElement(reservations));
System.out.printf(
"%d: %s awaiting ssh service to start%n",
System.currentTimeMillis(), instance.getIpAddress());
assert socketTester.apply(new IPSocket(instance.getIpAddress(), 22));
System.out.printf(
"%d: %s ssh service started%n", System.currentTimeMillis(), instance.getDnsName());
sshPing(instance);
System.out.printf("%d: %s ssh connection made%n", System.currentTimeMillis(), instance.getId());
return instance;
}
@Test(
enabled = false,
dependsOnMethods = {"testAMIFromBundle"})
public void testInstanceFromEBS() throws Exception {
System.out.printf(
"%d: %s creating instance from ebs-backed ami%n",
System.currentTimeMillis(), ebsImage.getId());
ebsInstance = createInstance(ebsImage.getId());
client
.getInstanceServices()
.stopInstancesInRegion(ebsInstance.getRegion(), true, ebsInstance.getId());
System.out.printf(
"%d: %s awaiting instance to stop %n", System.currentTimeMillis(), ebsInstance.getId());
stoppedTester.apply(ebsInstance);
tryToChangeStuff();
System.out.printf(
"%d: %s awaiting instance to start %n", System.currentTimeMillis(), ebsInstance.getId());
client
.getInstanceServices()
.startInstancesInRegion(ebsInstance.getRegion(), ebsInstance.getId());
ebsInstance = blockUntilWeCanSshIntoInstance(ebsInstance);
}
private void setUserDataForInstanceInRegion() {
client
.getInstanceServices()
.setUserDataForInstanceInRegion(null, ebsInstance.getId(), "test".getBytes());
assertEquals(
"test",
client.getInstanceServices().getUserDataForInstanceInRegion(null, ebsInstance.getId()));
}
private void setKernelForInstanceInRegion() {
String oldKernel =
client.getInstanceServices().getKernelForInstanceInRegion(null, ebsInstance.getId());
client.getInstanceServices().setKernelForInstanceInRegion(null, ebsInstance.getId(), oldKernel);
assertEquals(
oldKernel,
client.getInstanceServices().getKernelForInstanceInRegion(null, ebsInstance.getId()));
}
private void setRamdiskForInstanceInRegion() {
String ramdisk =
client.getInstanceServices().getRamdiskForInstanceInRegion(null, ebsInstance.getId());
client.getInstanceServices().setRamdiskForInstanceInRegion(null, ebsInstance.getId(), ramdisk);
assertEquals(
ramdisk,
client.getInstanceServices().getRamdiskForInstanceInRegion(null, ebsInstance.getId()));
}
private String parseGroupFrom(final RunningInstance instance, final Set<String> data) {
String group = null;
try {
Predicate<String> containsAnyGroup = namingConvention.create().containsAnyGroup();
String encodedGroup = Iterables.getOnlyElement(Iterables.filter(data, containsAnyGroup));
group = namingConvention.create().extractGroup(encodedGroup);
} catch (NoSuchElementException e) {
logger.debug("no group parsed from %s's data: %s", instance.getId(), data);
} catch (IllegalArgumentException e) {
logger.debug(
"too many groups match naming convention; %s's data: %s", instance.getId(), data);
}
return group;
}
private void setInstanceTypeForInstanceInRegion() {
client
.getInstanceServices()
.setInstanceTypeForInstanceInRegion(null, ebsInstance.getId(), InstanceType.C1_MEDIUM);
assertEquals(
InstanceType.C1_MEDIUM,
client.getInstanceServices().getInstanceTypeForInstanceInRegion(null, ebsInstance.getId()));
client
.getInstanceServices()
.setInstanceTypeForInstanceInRegion(null, ebsInstance.getId(), InstanceType.M1_SMALL);
assertEquals(
InstanceType.M1_SMALL,
client.getInstanceServices().getInstanceTypeForInstanceInRegion(null, ebsInstance.getId()));
}
@Override
protected void addCredentialsForInstance(NodeMetadataBuilder builder, RunningInstance instance) {
LoginCredentials creds =
LoginCredentials.fromCredentials(
credentialStore.get("node#" + instance.getRegion() + "/" + instance.getId()));
String spotRequestId = AWSRunningInstance.class.cast(instance).getSpotInstanceRequestId();
if (creds == null && spotRequestId != null) {
creds =
LoginCredentials.fromCredentials(
credentialStore.get("node#" + instance.getRegion() + "/" + spotRequestId));
if (creds != null)
credentialStore.put("node#" + instance.getRegion() + "/" + instance.getId(), creds);
}
if (creds != null) builder.credentials(creds);
}
// Fires up an instance, finds its root volume ID, takes a snapshot, then
// terminates the instance.
private Snapshot createSnapshot() throws RunNodesException {
String instanceId = null;
try {
RunningInstance instance =
getOnlyElement(
concat(
ec2Client
.getInstanceServices()
.runInstancesInRegion(regionId, null, imageId, 1, 1)));
instanceId = instance.getId();
assertTrue(runningTester.apply(instance), instanceId + "didn't achieve the state running!");
instance =
getOnlyElement(
concat(
ec2Client.getInstanceServices().describeInstancesInRegion(regionId, instanceId)));
BlockDevice device = instance.getEbsBlockDevices().get("/dev/sda1");
assertNotNull(device, "device: /dev/sda1 not present on: " + instance);
Snapshot snapshot =
ec2Client
.getElasticBlockStoreServices()
.createSnapshotInRegion(regionId, device.getVolumeId());
snapshotsToDelete.add(snapshot.getId());
return snapshot;
} finally {
if (instanceId != null)
ec2Client.getInstanceServices().terminateInstancesInRegion(regionId, instanceId);
}
}
@Override
public NodeMetadata apply(RunningInstance instance) {
if (instance == null || instance.getId() == null) return null;
NodeMetadataBuilder builder = new NodeMetadataBuilder();
builder = buildInstance(instance, builder);
return builder.build();
}
protected NodeMetadataBuilder buildInstance(
final RunningInstance instance, NodeMetadataBuilder builder) {
builder.providerId(instance.getId());
builder.id(instance.getRegion() + "/" + instance.getId());
String group = getGroupForInstance(instance);
builder.group(group);
// standard convention from aws-ec2, which might not be re-used outside.
if (instance.getPrivateDnsName() != null)
builder.hostname(instance.getPrivateDnsName().replaceAll("\\..*", ""));
addCredentialsForInstance(builder, instance);
builder.status(instanceToNodeStatus.get(instance.getInstanceState()));
builder.backendStatus(instance.getRawState());
// collect all ip addresses into one bundle in case the api mistakenly put a private address
// into the public address field
Builder<String> addressesBuilder = ImmutableSet.builder();
if (Strings.emptyToNull(instance.getIpAddress()) != null)
addressesBuilder.add(instance.getIpAddress());
// Add dnsName (if available) to addresses, when the IPAddress is null
// happens on Eucalyptus sometimes.
else if (Strings.emptyToNull(instance.getDnsName()) != null)
addressesBuilder.add(instance.getDnsName());
if (Strings.emptyToNull(instance.getPrivateIpAddress()) != null)
addressesBuilder.add(instance.getPrivateIpAddress());
Set<String> addresses = addressesBuilder.build();
builder.publicAddresses(filter(addresses, not(IsPrivateIPAddress.INSTANCE)));
builder.privateAddresses(filter(addresses, IsPrivateIPAddress.INSTANCE));
builder.hardware(parseHardware(instance));
Location location = getLocationForAvailabilityZoneOrRegion(instance);
builder.location(location);
builder.imageId(instance.getRegion() + "/" + instance.getImageId());
// extract the operating system from the image
RegionAndName regionAndName = new RegionAndName(instance.getRegion(), instance.getImageId());
try {
Image image = imageMap.get().getUnchecked(regionAndName);
if (image != null) builder.operatingSystem(image.getOperatingSystem());
} catch (CacheLoader.InvalidCacheLoadException e) {
logger.debug("image not found for %s: %s", regionAndName, e);
} catch (UncheckedExecutionException e) {
logger.debug("error getting image for %s: %s", regionAndName, e);
}
return builder;
}
@Test(enabled = false, dependsOnMethods = "testCreateAndAttachVolume")
void testBundleInstance() {
SshClient ssh =
sshFactory.create(
new IPSocket(instance.getIpAddress(), 22),
new Credentials("ubuntu", keyPair.getKeyMaterial()));
try {
ssh.connect();
} catch (SshException e) { // try twice in case there is a network timeout
try {
Thread.sleep(10 * 1000);
} catch (InterruptedException e1) {
}
ssh.connect();
}
try {
System.out.printf(
"%d: %s writing ebs script%n", System.currentTimeMillis(), instance.getId());
String script = "/tmp/mkebsboot-init.sh";
ssh.put(script, Payloads.newStringPayload(mkEbsBoot));
System.out.printf(
"%d: %s launching ebs script%n", System.currentTimeMillis(), instance.getId());
ssh.exec("chmod 755 " + script);
ssh.exec(script + " init");
ExecResponse output = ssh.exec("sudo " + script + " start");
System.out.println(output);
output = ssh.exec(script + " status");
assert !output.getOutput().trim().equals("") : output;
RetryablePredicate<String> scriptTester =
new RetryablePredicate<String>(
new ScriptTester(ssh, SCRIPT_END), 600, 10, TimeUnit.SECONDS);
scriptTester.apply(script);
} finally {
if (ssh != null) ssh.disconnect();
}
}
private RunningInstance createInstance(String imageId) throws UnknownHostException {
RunningInstance instance = null;
while (instance == null) {
try {
System.out.printf("%d: running instance%n", System.currentTimeMillis());
Reservation<? extends RunningInstance> reservation =
client
.getInstanceServices()
.runInstancesInRegion(
null,
null, // allow
// ec2
// to
// chose
// an
// availability
// zone
imageId,
1, // minimum instances
1, // maximum instances
withKeyName(keyPair.getKeyName()) // key I created above
.asType(InstanceType.M1_SMALL) // smallest instance
// size
.withSecurityGroup(securityGroupName)); // group I
// created
// above
instance = Iterables.getOnlyElement(reservation);
} catch (HttpResponseException htpe) {
if (htpe.getResponse().getStatusCode() == 400) continue;
throw htpe;
}
}
assertNotNull(instance.getId());
assertEquals(instance.getInstanceState(), InstanceState.PENDING);
instance = blockUntilWeCanSshIntoInstance(instance);
return instance;
}
@Test(enabled = false, dependsOnMethods = "testCreateRunningInstance")
void testCreateAndAttachVolume() {
volume =
client
.getElasticBlockStoreServices()
.createVolumeInAvailabilityZone(instance.getAvailabilityZone(), VOLUME_SIZE);
System.out.printf(
"%d: %s awaiting volume to become available%n", System.currentTimeMillis(), volume.getId());
assert volumeTester.apply(volume);
Attachment attachment =
client
.getElasticBlockStoreServices()
.attachVolumeInRegion(
instance.getRegion(), volume.getId(), instance.getId(), "/dev/sdh");
System.out.printf(
"%d: %s awaiting attachment to complete%n", System.currentTimeMillis(), attachment.getId());
assert attachTester.apply(attachment);
System.out.printf(
"%d: %s attachment complete%n", System.currentTimeMillis(), attachment.getId());
}
@AfterTest
void cleanup() {
if (ebsInstance != null) {
try {
client
.getInstanceServices()
.terminateInstancesInRegion(ebsInstance.getRegion(), ebsInstance.getId());
terminatedTester.apply(ebsInstance);
} catch (Exception e) {
e.printStackTrace();
}
}
if (ebsImage != null) {
try {
client.getAMIServices().deregisterImageInRegion(ebsImage.getRegion(), ebsImage.getId());
} catch (Exception e) {
e.printStackTrace();
}
}
if (snapshot != null) {
try {
client
.getElasticBlockStoreServices()
.deleteSnapshotInRegion(snapshot.getRegion(), snapshot.getId());
} catch (Exception e) {
e.printStackTrace();
}
}
if (attachment != null) {
try {
client
.getElasticBlockStoreServices()
.detachVolumeInRegion(volume.getRegion(), volume.getId(), true);
assert volumeTester.apply(volume);
} catch (Exception e) {
e.printStackTrace();
}
}
if (instance != null) {
try {
client
.getInstanceServices()
.terminateInstancesInRegion(instance.getRegion(), instance.getId());
terminatedTester.apply(instance);
} catch (Exception e) {
e.printStackTrace();
}
}
if (volume != null) {
try {
client
.getElasticBlockStoreServices()
.deleteVolumeInRegion(volume.getRegion(), volume.getId());
} catch (Exception e) {
e.printStackTrace();
}
}
if (keyPair != null) {
try {
client
.getKeyPairServices()
.deleteKeyPairInRegion(keyPair.getRegion(), keyPair.getKeyName());
} catch (Exception e) {
e.printStackTrace();
}
}
if (securityGroupName != null) {
try {
client.getSecurityGroupServices().deleteSecurityGroupInRegion(null, securityGroupName);
} catch (Exception e) {
e.printStackTrace();
}
}
}
protected void addCredentialsForInstance(NodeMetadataBuilder builder, RunningInstance instance) {
builder.credentials(
LoginCredentials.fromCredentials(
credentialStore.get("node#" + instance.getRegion() + "/" + instance.getId())));
}
@Override
public RegionAndName apply(RunningInstance from) {
return new RegionAndName(from.getRegion(), from.getId());
}
@SuppressWarnings("unchecked")
private void assertRegionAndZoneForLocation(Location location, String region, String zone) {
String imageId = "ami1";
String instanceCreatedId = "instance1";
// setup mocks
TemplateBuilder templateBuilder = createMock(TemplateBuilder.class);
EC2CreateNodesInGroupThenAddToSet strategy = setupStrategy(templateBuilder);
InputParams input = new InputParams(location);
InstanceClient instanceClient = createMock(InstanceClient.class);
RunInstancesOptions ec2Options = createMock(RunInstancesOptions.class);
RunningInstance instance = createMock(RunningInstance.class);
Reservation<? extends RunningInstance> reservation =
new Reservation<RunningInstance>(
region,
ImmutableSet.<String>of(),
ImmutableSet.<RunningInstance>of(instance),
"ownerId",
"requesterId",
"reservationId");
NodeMetadata nodeMetadata = createMock(NodeMetadata.class);
// setup expectations
expect(templateBuilder.fromTemplate(input.template)).andReturn(templateBuilder);
expect(templateBuilder.build()).andReturn(input.template);
expect(strategy.client.getInstanceServices()).andReturn(instanceClient).atLeastOnce();
expect(
strategy.createKeyPairAndSecurityGroupsAsNeededAndReturncustomize.execute(
region, input.tag, input.template))
.andReturn(ec2Options);
expect(input.template.getLocation()).andReturn(input.location).atLeastOnce();
expect(input.template.getImage()).andReturn(input.image).atLeastOnce();
expect(input.image.getProviderId()).andReturn(imageId).atLeastOnce();
expect(instanceClient.runInstancesInRegion(region, zone, imageId, 1, input.count, ec2Options))
.andReturn(Reservation.class.cast(reservation));
expect(instance.getId()).andReturn(instanceCreatedId).atLeastOnce();
// simulate a lazy credentials fetch
Credentials creds = new Credentials("foo", "bar");
expect(strategy.instanceToCredentials.apply(instance)).andReturn(creds);
expect(instance.getRegion()).andReturn(region).atLeastOnce();
expect(strategy.credentialStore.put("node#" + region + "/" + instanceCreatedId, creds))
.andReturn(null);
expect(strategy.instancePresent.apply(new RegionAndName(region, instanceCreatedId)))
.andReturn(true);
expect(input.template.getOptions()).andReturn(input.options).atLeastOnce();
expect(strategy.runningInstanceToNodeMetadata.apply(instance)).andReturn(nodeMetadata);
expect(
strategy.utils.customizeNodesAndAddToGoodMapOrPutExceptionIntoBadMap(
eq(input.options),
containsNodeMetadata(nodeMetadata),
eq(input.nodes),
eq(input.badNodes),
eq(input.customization)))
.andReturn(null);
// replay mocks
replay(templateBuilder);
replay(instanceClient);
replay(ec2Options);
replay(instance);
replay(nodeMetadata);
input.replayMe();
replayStrategy(strategy);
// run
strategy.execute(
input.tag, input.count, input.template, input.nodes, input.badNodes, input.customization);
// verify mocks
verify(templateBuilder);
verify(instanceClient);
verify(ec2Options);
verify(instance);
verify(nodeMetadata);
input.verifyMe();
verifyStrategy(strategy);
}
