@Override
public Instance update(Instance existingEntity, Instance requestedEntity) {
LOG.debug(
String.format(
"update(Existing Instance - %s,Requested Instance - %s)",
existingEntity, requestedEntity));
InstanceStateTransition transition = new InstanceStateTransition();
Instance entityToReturn = null;
if (existingEntity != null) {
transition.setPreviousState(existingEntity.getState());
// we set this here in case we can't write the state want.
// this way the user doesn't get back a null. :D.
transition.setNextState(existingEntity.getState());
instanceStatusMap.put(existingEntity.getInstanceId(), transition);
if (existingEntity.getNodeId() != null
&& existingEntity.getState() != InstanceState.SHUTTING_DOWN
&& existingEntity.getState() != InstanceState.TERMINATED) {
existingEntity.setState(InstanceState.SHUTTING_DOWN);
entityToReturn = existingEntity;
} else if (existingEntity.getState() != InstanceState.TERMINATED) {
LOG.info(
String.format(
"Instance %s is provisionally being terminated before an Instance Manager has claimed it by stamping a node id onto it",
existingEntity.getInstanceId()));
existingEntity.setState(InstanceState.TERMINATED);
entityToReturn = existingEntity;
}
} else {
LOG.warn(String.format("Expected non-null instance"));
}
return entityToReturn;
}
@Override
public void handleResult(Instance result) {
LOG.debug(String.format("handleResult(PiEntity - %s)", result));
if (result != null) {
if (result.getNodeId() != null) {
LOG.debug(
String.format(
"Sending termination message for inst %s to node %s",
result.getInstanceId(), result.getNodeId()));
PId instanceRecordId = piIdBuilder.getNodeIdFromNodeId(result.getNodeId());
MessageContext instanceMessageContext = messageContextFactory.newMessageContext();
instanceMessageContext.routePiMessageToApplication(
instanceRecordId,
EntityMethod.DELETE,
result,
InstanceManagerApplication.APPLICATION_NAME);
} else {
LOG.debug(
String.format(
"Null node id detected, not sending termination message for %s to instance manager",
result.getInstanceId()));
}
int instanceGlobalAvzCode =
piIdBuilder.getGlobalAvailabilityZoneCodeFromEc2Id(result.getInstanceId());
PId securityGroupId =
piIdBuilder
.getPId(SecurityGroup.getUrl(result.getUserId(), result.getSecurityGroupName()))
.forGlobalAvailablityZoneCode(instanceGlobalAvzCode);
LOG.debug(
String.format(
"Sending termination message for inst %s to network app node %s for sec group %s:%s",
result.getInstanceId(),
result.getUserId(),
securityGroupId.toStringFull(),
result.getSecurityGroupName()));
MessageContext securityGroupMessageContext = messageContextFactory.newMessageContext();
securityGroupMessageContext.routePiMessageToApplication(
securityGroupId, EntityMethod.DELETE, result, NetworkManagerApplication.APPLICATION_NAME);
InstanceStateTransition transition = instanceStatusMap.get(result.getInstanceId());
if (transition != null) {
transition.setNextState(result.getState());
}
} else {
LOG.warn("Expected a non-null instance record");
}
}
private Instance setupInstanceWithReservationId(
String instanceId, String reservationId, String userId) {
Instance instance = mock(Instance.class);
when(instance.getInstanceId()).thenReturn(instanceId);
when(instance.getReservationId()).thenReturn(reservationId);
when(instance.getUserId()).thenReturn(userId);
when(instance.getLastHeartbeatTimestamp()).thenReturn(System.currentTimeMillis());
return instance;
}
@Before
public void setup() {
when(piIdBuilder.getPIdForEc2AvailabilityZone(uri)).thenReturn(instancePId);
when(piIdBuilder.getGlobalAvailabilityZoneCodeFromEc2Id(instanceId)).thenReturn(globalAvzCode);
when(piIdBuilder.getPId(SecurityGroup.getUrl(userId, securityGroupName)))
.thenReturn(securityGroupPId);
when(piIdBuilder.getPiQueuePId(PiQueue.INSTANCE_NETWORK_MANAGER_TEARDOWN))
.thenReturn(instanceNetworkManagerTeardownQueueId);
when(securityGroupPId.forGlobalAvailablityZoneCode(globalAvzCode)).thenReturn(securityGroupPId);
when(instanceNetworkManagerTeardownQueueId.forLocalScope(
PiQueue.TERMINATE_INSTANCE.getNodeScope()))
.thenReturn(instanceNetworkManagerTeardownQueueId);
when(messageContextFactory.newMessageContext()).thenReturn(messageContext);
when(dhtClientFactory.createReader()).thenReturn(dhtReader);
when(resultInstance.getInstanceId()).thenReturn(instanceId);
when(resultInstance.getNodeId()).thenReturn(instanceNodeId);
when(resultInstance.getUserId()).thenReturn(userId);
when(resultInstance.getSecurityGroupName()).thenReturn(securityGroupName);
}
public ReservationInstances runInstances(final Reservation reservation) {
LOG.debug(String.format("runInstances(%s)", reservation));
String securityGroupUrl =
SecurityGroup.getUrl(reservation.getUserId(), reservation.getSecurityGroupName());
PId securityGroupId = getPiIdBuilder().getPId(securityGroupUrl).forLocalRegion();
SecurityGroup securityGroup =
(SecurityGroup) getDhtClientFactory().createBlockingReader().get(securityGroupId);
validateReservation(reservation, securityGroup);
reservation.setReservationId(getIdFactory().createNewReservationId());
AvailabilityZone availabilityZone;
if (StringUtils.isNotEmpty(reservation.getAvailabilityZone())) {
try {
availabilityZone = getAvailabilityZoneByName(reservation.getAvailabilityZone());
} catch (AvailabilityZoneNotFoundException e) {
throw new IllegalArgumentException(
String.format("Unknown availability zone: %s", reservation.getAvailabilityZone()));
}
} else {
availabilityZone = getLocalAvailabilityZone();
reservation.setAvailabilityZone(availabilityZone.getAvailabilityZoneName());
}
// setup return object
ReservationInstances reservationInstances = new ReservationInstances();
reservationInstances.setReservation(reservation);
for (int i = 0; i < reservation.getMaxCount(); i++) {
String instanceId =
getIdFactory().createNewInstanceId(availabilityZone.getGlobalAvailabilityZoneCode());
// create instance
Instance instance = new Instance(reservation);
instance.setInstanceType(reservation.getInstanceType());
instance.setUserId(reservation.getUserId());
instance.setInstanceId(instanceId);
instance.setState(InstanceState.PENDING);
instance.setLaunchTime(System.currentTimeMillis());
instance.setAvailabilityZoneCode(availabilityZone.getAvailabilityZoneCodeWithinRegion());
instance.setRegionCode(availabilityZone.getRegionCode());
LOG.info(String.format("Requesting new %s", instance));
reservationInstances.getInstances().add(instance);
// create instance in dht
PId instanceDhtId =
getPiIdBuilder().getPIdForEc2AvailabilityZone(Instance.getUrl(instanceId));
BlockingDhtWriter blockingDhtWriter = getDhtClientFactory().createBlockingWriter();
AddNewInstanceResolver addNewInstanceResolver = new AddNewInstanceResolver();
blockingDhtWriter.update(instanceDhtId, instance, addNewInstanceResolver);
reservation.addInstanceId(instance.getInstanceId());
}
getUserService()
.addInstancesToUser(
reservation.getUserId(), reservation.getInstanceIds(), reservation.getInstanceType());
// write security group to DHT
getDhtClientFactory()
.createBlockingWriter()
.update(
securityGroupId,
null,
new AddInstanceToSecurityGroupResolver(reservation.getInstanceIds()));
// add to task processing queue
PId runInstanceQueueId =
getPiIdBuilder()
.getPId(PiQueue.RUN_INSTANCE.getUrl())
.forGlobalAvailablityZoneCode(availabilityZone.getGlobalAvailabilityZoneCode());
for (String instanceId : reservation.getInstanceIds()) {
getTaskProcessingQueueHelper()
.addUrlToQueue(runInstanceQueueId, Instance.getUrl(instanceId), instanceTaskQueueRetries);
}
// anycast message
PubSubMessageContext pubSubMessageContext =
getApiApplicationManager()
.newPubSubMessageContextFromGlobalAvzCode(
PiTopics.RUN_INSTANCE, availabilityZone.getGlobalAvailabilityZoneCode());
pubSubMessageContext.randomAnycast(EntityMethod.CREATE, reservation);
return reservationInstances;
}