public synchronized String nanny(UbaCoordinate ubaCoordinate)
throws InterruptedException, ExecutionException {
long now = System.currentTimeMillis();
if (restartAtTimestamp.get() > 0 && restartAtTimestamp.get() < now) {
status.set("Restarting");
deployLog.log("Nanny", "restart triggered by timestamp. " + this, null);
if (kill()) {
lastRestart.set(now);
restartAtTimestamp.set(-1);
}
}
try {
if (destroyed.get()) {
status.set("Destroying");
deployLog.log("Nanny", "tried to check a service that has been destroyed. " + this, null);
return deployLog.getState();
}
if (linkedBlockingQueue.size() == 0) {
try {
if (redeploy.get()) {
status.set("Redeploy");
NannyDestroyCallable destroyTask =
new NannyDestroyCallable(
instanceDescriptor.get(),
instancePath,
deployLog,
healthLog,
invokeScript,
ubaLog);
deployLog.log("Nanny", "destroying in preperation to redeploy. " + this, null);
Future<Boolean> destroyFuture = threadPoolExecutor.submit(destroyTask);
status.set("Destroying");
if (destroyFuture.get()) {
NannyDeployCallable deployTask =
new NannyDeployCallable(
repositoryProvider,
ubaCoordinate,
instanceDescriptor.get(),
instancePath,
deployLog,
healthLog,
deployableValidator,
invokeScript,
ubaLog);
deployLog.log("Nanny", "redeploying. " + this, null);
Future<Boolean> deployedFuture = threadPoolExecutor.submit(deployTask);
try {
status.set("Deploying");
if (deployedFuture.get()) {
try {
try (FileWriter writer = new FileWriter(instancePath.deployLog())) {
for (String line : deployLog.peek()) {
writer.write(line);
}
}
redeploy.set(false);
status.set("Redeployed");
deployLog.log("Nanny", "successfully redeployed. " + this, null);
} catch (Exception x) {
status.set("Failed redeployed");
deployLog.log("Nanny", "failed to redeployed. " + this, x);
}
}
} catch (ExecutionException ee) {
status.set("Unexpected state");
deployLog.log("Nanny", "encountered an unexpected condition. " + this, ee);
}
}
}
NannyStatusCallable nannyTask =
new NannyStatusCallable(
this,
status,
startupTimestamp,
instanceDescriptor.get(),
instancePath,
deployLog,
healthLog,
invokeScript,
ubaLog,
haveRunConfigExtractionCache);
if (nannyTask.callable()) {
threadPoolExecutor.submit(nannyTask);
} else {
deployLog.log("Nanny", "skipped status check. " + this, null);
}
} catch (InterruptedException | ExecutionException x) {
deployLog.log("Nanny", "is already running. " + this, x);
}
return deployLog.getState();
} else {
return deployLog.getState();
}
} finally {
deployLog.commit();
}
}
public NannyReport report() {
return new NannyReport(deployLog.getState(), instanceDescriptor.get(), deployLog.commitedLog());
}