Examples with PrintedContent com.cloudbees.jenkins.support.api.PrintedContent used on opensource projects

Example 1 with PrintedContent

use of com.cloudbees.jenkins.support.api.PrintedContent in project support-core-plugin by jenkinsci.

the class SlaveLogs method addContents.

@Override
public void addContents(@NonNull Container container) {
    // expensive remote computation are pooled together and executed later concurrently across all the agents
    List<java.util.concurrent.Callable<List<FileContent>>> tasks = Lists.newArrayList();
    // id is awkward because of backward compatibility
    SmartLogFetcher logFetcher = new SmartLogFetcher("cache", new LogFilenameFilter());
    SmartLogFetcher winswLogFetcher = new SmartLogFetcher("winsw", new WinswLogfileFilter());
    final boolean needHack = SlaveLogFetcher.isRequired();
    for (final Node node : Jenkins.getInstance().getNodes()) {
        if (node.toComputer() instanceof SlaveComputer) {
            container.add(new PrintedContent("nodes/slave/" + node.getNodeName() + "/jenkins.log") {

                @Override
                protected void printTo(PrintWriter out) throws IOException {
                    Computer computer = node.toComputer();
                    if (computer == null) {
                        out.println("N/A");
                    } else {
                        try {
                            List<LogRecord> records = null;
                            if (needHack) {
                                VirtualChannel channel = computer.getChannel();
                                if (channel != null) {
                                    hudson.remoting.Future<List<LogRecord>> future = SlaveLogFetcher.getLogRecords(channel);
                                    records = future.get(REMOTE_OPERATION_TIMEOUT_MS, TimeUnit.MILLISECONDS);
                                }
                            }
                            if (records == null) {
                                records = computer.getLogRecords();
                            }
                            for (ListIterator<LogRecord> iterator = records.listIterator(records.size()); iterator.hasPrevious(); ) {
                                LogRecord logRecord = iterator.previous();
                                out.print(LOG_FORMATTER.format(logRecord));
                            }
                        } catch (Throwable e) {
                            out.println();
                            SupportLogFormatter.printStackTrace(e, out);
                        }
                    }
                    out.flush();
                }
            });
        }
        addSlaveJulLogRecords(container, tasks, node, logFetcher);
        addWinsStdoutStderrLog(tasks, node, winswLogFetcher);
    }
    // execute all the expensive computations in parallel to speed up the time
    if (!tasks.isEmpty()) {
        ExecutorService service = Executors.newFixedThreadPool(Math.max(1, Math.min(Runtime.getRuntime().availableProcessors() * 2, tasks.size())), new ExceptionCatchingThreadFactory(new DaemonThreadFactory()));
        try {
            long expiresNanoTime = System.nanoTime() + TimeUnit.SECONDS.toNanos(SupportPlugin.REMOTE_OPERATION_CACHE_TIMEOUT_SEC);
            for (java.util.concurrent.Future<List<FileContent>> r : service.invokeAll(tasks, SupportPlugin.REMOTE_OPERATION_CACHE_TIMEOUT_SEC, TimeUnit.SECONDS)) {
                try {
                    for (FileContent c : r.get(Math.max(1, expiresNanoTime - System.nanoTime()), TimeUnit.NANOSECONDS)) {
                        container.add(c);
                    }
                } catch (ExecutionException e) {
                    LOGGER.log(Level.WARNING, "Could not retrieve some of the remote node extra logs", e);
                } catch (TimeoutException e) {
                    LOGGER.log(Level.WARNING, "Could not retrieve some of the remote node extra logs", e);
                    r.cancel(false);
                }
            }
        } catch (InterruptedException e) {
            LOGGER.log(Level.WARNING, "Could not retrieve some of the remote node extra logs", e);
        } finally {
            service.shutdown();
        }
    }
}