/**
* Terminates instances.
*
* @param listInstances The list of instances to terminate.
* @return The instanceset change state.
*/
public InstanceStateChangeSetType terminateInstances(List<String> listInstances) {
log_.debug("Terminating instances");
NetworkAddress bootstrapAddress = ec2Configuration_.getBootstrapSettings();
BootstrapAPI bootstrapCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newBootstrapCommunicator(bootstrapAddress);
InstanceStateChangeSetType instanceStateChange = new InstanceStateChangeSetType();
List<InstanceStateChangeType> instanceSet = instanceStateChange.getItem();
InstanceStateType previousState = new InstanceStateType();
previousState.setCode(EC2InstanceState.RUNNING.getCode());
previousState.setName(EC2InstanceState.RUNNING.getMessage());
for (String instance : listInstances) {
InstanceStateChangeType instanceState = new InstanceStateChangeType();
boolean isTerminated = bootstrapCommunicator.destroyVirtualMachine(instance);
InstanceStateType currentState = new InstanceStateType();
if (isTerminated) {
currentState.setCode(EC2InstanceState.TERMINATED.getCode());
currentState.setName(EC2InstanceState.TERMINATED.getMessage());
} else {
// need to be more precise here.
currentState.setCode(EC2InstanceState.RUNNING.getCode());
currentState.setName(EC2InstanceState.RUNNING.getMessage());
}
instanceState.setPreviousState(previousState);
instanceState.setPreviousState(currentState);
instanceSet.add(instanceState);
}
return instanceStateChange;
}
/**
* Run Instances.
*
* @param submissionRequest The submission resquest.
* @return the taskIdentifier.
*/
public String runInstances(VirtualClusterSubmissionRequest submissionRequest) {
log_.debug("Starting instances");
NetworkAddress bootstrapAddress = ec2Configuration_.getBootstrapSettings();
BootstrapAPI bootstrapCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newBootstrapCommunicator(bootstrapAddress);
String taskIdentifier = bootstrapCommunicator.startVirtualCluster(submissionRequest);
return taskIdentifier;
}
/**
* Reboot the instances.
*
* @param listInstances the instances to reboot.
* @return true iff everything is ok.
*/
public boolean rebootInstances(List<String> listInstances) {
log_.debug("Rebooting instances");
NetworkAddress bootstrapAddress = ec2Configuration_.getBootstrapSettings();
BootstrapAPI bootstrapCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newBootstrapCommunicator(bootstrapAddress);
boolean isRebooted = true;
for (String instance : listInstances) {
isRebooted = isRebooted & bootstrapCommunicator.rebootVirtualMachine(instance);
}
return isRebooted;
}
/**
* Return the list of all the instances.
*
* @return list of virtual machines.
*/
public List<VirtualMachineMetaData> describeInstances() {
log_.debug("Describe instances");
NetworkAddress bootstrapAddress = ec2Configuration_.getBootstrapSettings();
BootstrapAPI bootstrapCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newBootstrapCommunicator(bootstrapAddress);
HostListRequest hostListRequest = new HostListRequest();
// infinite lookup ...
hostListRequest.setLimit(-1);
VirtualMachinesList virtualMachines =
bootstrapCommunicator.getVirtualMachineDescriptions(hostListRequest);
return virtualMachines.getVirtualMachines();
}
/**
* Gets the virtual cluster submission response.
*
* @param taskIdentifier The taskidentifier.
* @return The Virtual Cluster submission response.
*/
public VirtualClusterSubmissionResponse getVirtualClusterResponse(String taskIdentifier) {
log_.debug("Describe instances");
NetworkAddress bootstrapAddress = ec2Configuration_.getBootstrapSettings();
BootstrapAPI bootstrapCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newBootstrapCommunicator(bootstrapAddress);
GroupManagerDescription leaderDescription = bootstrapCommunicator.getGroupLeaderDescription();
GroupManagerAPI groupLeaderCommunicator =
org.inria.myriads.snoozecommon.communication.rest.CommunicatorFactory
.newGroupManagerCommunicator(
leaderDescription.getListenSettings().getControlDataAddress());
VirtualClusterSubmissionResponse response =
groupLeaderCommunicator.getVirtualClusterResponse(taskIdentifier);
return response;
}