@Async
public Future<Boolean> stop(String nsr_id, String vnfr_id) {
log.debug("Stopping ExecutionTask/CooldownTask for VNFR with id: " + vnfr_id);
int i = 60;
while (!actionMonitor.isTerminated(vnfr_id)
&& actionMonitor.getAction(vnfr_id) != Action.INACTIVE
&& i >= 0) {
actionMonitor.terminate(vnfr_id);
log.debug(
"Waiting for finishing ExecutionTask/Cooldown for VNFR with id: "
+ vnfr_id
+ " ("
+ i
+ "s)");
log.debug(actionMonitor.toString());
try {
Thread.sleep(1_000);
} catch (InterruptedException e) {
log.error(e.getMessage(), e);
}
i--;
if (i <= 0) {
actionMonitor.removeId(vnfr_id);
log.error(
"Were not able to wait until ExecutionTask finished for VNFR with id: " + vnfr_id);
return new AsyncResult<>(false);
}
}
actionMonitor.removeId(vnfr_id);
log.info("Stopped ExecutionTask for VNFR with id: " + vnfr_id);
return new AsyncResult<>(true);
}
public void executeCooldown(String nsr_id, String vnfr_id, long cooldown) {
log.info("[EXECUTOR] START_COOLDOWN " + new Date().getTime());
if (actionMonitor.isTerminating(vnfr_id)) {
actionMonitor.finishedAction(vnfr_id, Action.TERMINATED);
return;
}
log.info("Starting CooldownTask for VNFR with id: " + vnfr_id);
if (actionMonitor.requestAction(vnfr_id, Action.COOLDOWN)) {
log.debug("Creating new CooldownTask for VNFR with id: " + vnfr_id);
CooldownTask cooldownTask =
new CooldownTask(nsr_id, vnfr_id, cooldown, executionEngine, actionMonitor);
taskScheduler.execute(cooldownTask);
} else {
if (actionMonitor.getAction(vnfr_id) == Action.COOLDOWN) {
log.debug(
"Waiting already for Cooldown for VNFR with id: "
+ vnfr_id
+ ". Cannot create another ExecutionTask for VNFR with id: "
+ vnfr_id);
} else if (actionMonitor.getAction(vnfr_id) == Action.SCALE) {
log.debug("VNFR with id: " + vnfr_id + " is still in Scaling.");
} else {
log.debug(actionMonitor.toString());
}
}
}
public void executeActions(
String nsr_id, String vnfr_id, Set<ScalingAction> actions, long cooldown) {
log.info("[EXECUTOR] RECEIVED_ACTION " + new Date().getTime());
log.info(
"Processing execution request of ScalingActions: "
+ actions
+ " for VNFR with id: "
+ vnfr_id);
if (actionMonitor.requestAction(vnfr_id, Action.SCALE)) {
log.debug(
"Creating new ExecutionTask of ScalingActions: "
+ actions
+ " for VNFR with id: "
+ vnfr_id);
ExecutionTask executionTask =
new ExecutionTask(nsr_id, vnfr_id, actions, cooldown, executionEngine, actionMonitor);
taskScheduler.execute(executionTask);
} else {
if (actionMonitor.getAction(vnfr_id) == Action.SCALE) {
log.debug(
"Processing already an execution request for VNFR with id: "
+ vnfr_id
+ ". Cannot create another ExecutionTask for VNFR with id: "
+ vnfr_id);
} else if (actionMonitor.getAction(vnfr_id) == Action.COOLDOWN) {
log.debug(
"Waiting for Cooldown for VNFR with id: "
+ vnfr_id
+ ". Cannot create another ExecutionTask for VNFR with id: "
+ vnfr_id);
} else {
log.warn(
"Problem while starting ExecutionThread. Internal Status is: "
+ actionMonitor.getAction(vnfr_id));
}
}
}