Source:
public void applyCurrentConfigs() throws AgentStartupException { LOG.info("Getting current state of the world from Baragon Service..."); final Stopwatch stopwatch = Stopwatch.createStarted(); final long now = System.currentTimeMillis(); final Collection<String> services = stateDatastore.getServices(); if (services.size() > 0) { ExecutorService executorService = Executors.newFixedThreadPool(services.size()); List<Callable<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>>> todo = new ArrayList<>(services.size()); Optional<Integer> maybeVersion = stateDatastore.getStateVersion(); if (maybeVersion.isPresent()) { bootstrapStateNodeVersion.set(maybeVersion.get()); } for (BaragonServiceState serviceState : getGlobalState()) { if (!(serviceState.getService().getLoadBalancerGroups() == null) && serviceState.getService().getLoadBalancerGroups().contains(configuration.getLoadBalancerConfiguration().getName())) { todo.add(new BootstrapFileChecker(configHelper, serviceState, now)); } } LOG.info("Going to apply services...", todo.size()); try { List<Future<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>>> applied = executorService.invokeAll(todo); for (Future<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>> serviceFuture : applied) { Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>> maybeToApply = serviceFuture.get(); if (maybeToApply.isPresent()) { try { configHelper.bootstrapApply(maybeToApply.get().getKey(), maybeToApply.get().getValue()); } catch (Exception e) { LOG.error(String.format("Caught exception while applying %s during bootstrap", maybeToApply.get().getKey().getService().getServiceId()), e); } } } configHelper.checkAndReload(); } catch (Exception e) { LOG.error("Caught exception while applying and parsing configs", e); if (configuration.isExitOnStartupError()) { Throwables.propagate(e); } } LOG.info("Applied services in {}ms", todo.size(), stopwatch.elapsed(TimeUnit.MILLISECONDS)); } else { LOG.info("No services were found to apply"); } }

Target:
public void applyCurrentConfigs() throws AgentStartupException { LOG.info("Getting current state of the world from Baragon Service..."); final Stopwatch stopwatch = Stopwatch.createStarted(); final long now = System.currentTimeMillis(); final Collection<String> services = stateDatastore.getServices(); if (services.size() > 0) { ExecutorService executorService = Executors.newFixedThreadPool(services.size()); List<Callable<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>>> todo = new ArrayList<>(services.size()); Optional<Integer> maybeVersion = stateDatastore.getStateVersion(); if (maybeVersion.isPresent()) { bootstrapStateNodeVersion.set(maybeVersion.get()); } for (BaragonServiceState serviceState : getGlobalStateWithRetry()) { if (!(serviceState.getService().getLoadBalancerGroups() == null) && serviceState.getService().getLoadBalancerGroups().contains(configuration.getLoadBalancerConfiguration().getName())) { todo.add(new BootstrapFileChecker(configHelper, serviceState, now)); } } LOG.info("Going to apply services...", todo.size()); try { List<Future<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>>> applied = executorService.invokeAll(todo); for (Future<Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>>> serviceFuture : applied) { Optional<Pair<ServiceContext, Collection<BaragonConfigFile>>> maybeToApply = serviceFuture.get(); if (maybeToApply.isPresent()) { try { configHelper.bootstrapApply(maybeToApply.get().getKey(), maybeToApply.get().getValue()); } catch (Exception e) { LOG.error(String.format("Caught exception while applying %s during bootstrap", maybeToApply.get().getKey().getService().getServiceId()), e); } } } configHelper.checkAndReload(); } catch (Exception e) { LOG.error("Caught exception while applying and parsing configs", e); if (configuration.isExitOnStartupError()) { Throwables.propagate(e); } } LOG.info("Applied services in {}ms", todo.size(), stopwatch.elapsed(TimeUnit.MILLISECONDS)); } else { LOG.info("No services were found to apply"); } }