Examples with Computer hudson.model.Computer used on opensource projects

Example 1 with Computer

use of hudson.model.Computer in project support-core-plugin by jenkinsci.

the class SupportPlugin method setLogLevel.

public static void setLogLevel(Level level) {
    SupportPlugin instance = getInstance();
    instance.handler.setLevel(level);
    for (Node n : Jenkins.getInstance().getNodes()) {
        Computer c = n.toComputer();
        if (c == null) {
            continue;
        }
        VirtualChannel channel = c.getChannel();
        if (channel != null) {
            try {
                channel.callAsync(new LogUpdater(level));
            } catch (IOException e) {
            // ignore
            }
        }
    }
}

Example 2 with Computer

use of hudson.model.Computer in project support-core-plugin by jenkinsci.

the class RootCAs method addContents.

private void addContents(@NonNull Container container, @NonNull final Node node) {
    Computer c = node.toComputer();
    if (c == null) {
        return;
    }
    String name;
    if (node instanceof Jenkins) {
        name = "master";
    } else {
        name = "slave/" + node.getNodeName();
    }
    container.add(new Content("nodes/" + name + "/RootCA.txt") {

        @Override
        public void writeTo(OutputStream os) throws IOException {
            PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(os, "utf-8")));
            try {
                out.println(getRootCA(node));
            } catch (IOException e) {
                SupportLogFormatter.printStackTrace(e, out);
            } finally {
                out.flush();
            }
        }
    });
}

Example 3 with Computer

use of hudson.model.Computer 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();
        }
    }
}

Example 4 with Computer

use of hudson.model.Computer in project workflow-cps-plugin by jenkinsci.

the class CpsScmFlowDefinition method create.

@Override
public CpsFlowExecution create(FlowExecutionOwner owner, TaskListener listener, List<? extends Action> actions) throws Exception {
    for (Action a : actions) {
        if (a instanceof CpsFlowFactoryAction2) {
            return ((CpsFlowFactoryAction2) a).create(this, owner, actions);
        }
    }
    Queue.Executable _build = owner.getExecutable();
    if (!(_build instanceof Run)) {
        throw new IOException("can only check out SCM into a Run");
    }
    Run<?, ?> build = (Run<?, ?>) _build;
    if (isLightweight()) {
        try (SCMFileSystem fs = SCMFileSystem.of(build.getParent(), scm)) {
            if (fs != null) {
                String script = fs.child(scriptPath).contentAsString();
                listener.getLogger().println("Obtained " + scriptPath + " from " + scm.getKey());
                Queue.Executable exec = owner.getExecutable();
                FlowDurabilityHint hint = (exec instanceof Item) ? DurabilityHintProvider.suggestedFor((Item) exec) : GlobalDefaultFlowDurabilityLevel.getDefaultDurabilityHint();
                return new CpsFlowExecution(script, true, owner, hint);
            } else {
                listener.getLogger().println("Lightweight checkout support not available, falling back to full checkout.");
            }
        }
    }
    FilePath dir;
    Node node = Jenkins.getActiveInstance();
    if (build.getParent() instanceof TopLevelItem) {
        FilePath baseWorkspace = node.getWorkspaceFor((TopLevelItem) build.getParent());
        if (baseWorkspace == null) {
            throw new IOException(node.getDisplayName() + " may be offline");
        }
        dir = getFilePathWithSuffix(baseWorkspace);
    } else {
        // should not happen, but just in case:
        dir = new FilePath(owner.getRootDir());
    }
    listener.getLogger().println("Checking out " + scm.getKey() + " into " + dir + " to read " + scriptPath);
    String script = null;
    Computer computer = node.toComputer();
    if (computer == null) {
        throw new IOException(node.getDisplayName() + " may be offline");
    }
    SCMStep delegate = new GenericSCMStep(scm);
    delegate.setPoll(true);
    delegate.setChangelog(true);
    FilePath acquiredDir;
    try (WorkspaceList.Lease lease = computer.getWorkspaceList().acquire(dir)) {
        for (int retryCount = Jenkins.getInstance().getScmCheckoutRetryCount(); retryCount >= 0; retryCount--) {
            try {
                delegate.checkout(build, dir, listener, node.createLauncher(listener));
                break;
            } catch (AbortException e) {
                // If so, just skip echoing it.
                if (e.getMessage() != null) {
                    listener.error(e.getMessage());
                }
            } catch (InterruptedIOException e) {
                throw e;
            } catch (IOException e) {
                // checkout error not yet reported
                // TODO 2.43+ use Functions.printStackTrace
                listener.error("Checkout failed").println(Functions.printThrowable(e).trim());
            }
            if (// all attempts failed
            retryCount == 0)
                throw new AbortException("Maximum checkout retry attempts reached, aborting");
            listener.getLogger().println("Retrying after 10 seconds");
            Thread.sleep(10000);
        }
        FilePath scriptFile = dir.child(scriptPath);
        if (!scriptFile.absolutize().getRemote().replace('\\', '/').startsWith(dir.absolutize().getRemote().replace('\\', '/') + '/')) {
            // TODO JENKINS-26838
            throw new IOException(scriptFile + " is not inside " + dir);
        }
        if (!scriptFile.exists()) {
            throw new AbortException(scriptFile + " not found");
        }
        script = scriptFile.readToString();
        acquiredDir = lease.path;
    }
    Queue.Executable queueExec = owner.getExecutable();
    FlowDurabilityHint hint = (queueExec instanceof Run) ? DurabilityHintProvider.suggestedFor(((Run) queueExec).getParent()) : GlobalDefaultFlowDurabilityLevel.getDefaultDurabilityHint();
    CpsFlowExecution exec = new CpsFlowExecution(script, true, owner, hint);
    exec.flowStartNodeActions.add(new WorkspaceActionImpl(acquiredDir, null));
    return exec;
}

Example 5 with Computer

use of hudson.model.Computer in project workflow-cps-plugin by jenkinsci.

the class DSL method invokeStep.

/**
 * When {@link #invokeMethod(String, Object)} is calling a {@link StepDescriptor}
 */
protected Object invokeStep(StepDescriptor d, Object args) {
    final NamedArgsAndClosure ps = parseArgs(args, d);
    CpsThread thread = CpsThread.current();
    FlowNode an;
    // TODO: generalize the notion of Step taking over the FlowNode creation.
    boolean hack = d instanceof ParallelStep.DescriptorImpl || d instanceof LoadStep.DescriptorImpl;
    if (ps.body == null && !hack) {
        an = new StepAtomNode(exec, d, thread.head.get());
        // TODO: use CPS call stack to obtain the current call site source location. See JENKINS-23013
        thread.head.setNewHead(an);
    } else {
        an = new StepStartNode(exec, d, thread.head.get());
        thread.head.setNewHead(an);
    }
    final CpsStepContext context = new CpsStepContext(d, thread, handle, an, ps.body);
    Step s;
    boolean sync;
    ClassLoader originalLoader = Thread.currentThread().getContextClassLoader();
    try {
        d.checkContextAvailability(context);
        Thread.currentThread().setContextClassLoader(CpsVmExecutorService.ORIGINAL_CONTEXT_CLASS_LOADER.get());
        s = d.newInstance(ps.namedArgs);
        try {
            // No point storing empty arguments, and ParallelStep is a special case where we can't store its closure arguments
            if (ps.namedArgs != null && !(ps.namedArgs.isEmpty()) && isKeepStepArguments() && !(s instanceof ParallelStep)) {
                // Get the environment variables to find ones that might be credentials bindings
                Computer comp = context.get(Computer.class);
                EnvVars allEnv = new EnvVars(context.get(EnvVars.class));
                if (comp != null && allEnv != null) {
                    allEnv.entrySet().removeAll(comp.getEnvironment().entrySet());
                }
                an.addAction(new ArgumentsActionImpl(ps.namedArgs, allEnv));
            }
        } catch (Exception e) {
            // Avoid breaking execution because we can't store some sort of crazy Step argument
            LOGGER.log(Level.WARNING, "Error storing the arguments for step: " + d.getFunctionName(), e);
        }
        // Persist the node - block start and end nodes do their own persistence.
        CpsFlowExecution.maybeAutoPersistNode(an);
        StepExecution e = s.start(context);
        thread.setStep(e);
        sync = e.start();
    } catch (Exception e) {
        if (e instanceof MissingContextVariableException)
            reportMissingContextVariableException(context, (MissingContextVariableException) e);
        context.onFailure(e);
        s = null;
        sync = true;
    } finally {
        Thread.currentThread().setContextClassLoader(originalLoader);
    }
    if (sync) {
        assert context.bodyInvokers.isEmpty() : "If a step claims synchronous completion, it shouldn't invoke body";
        if (context.getOutcome() == null) {
            context.onFailure(new AssertionError("Step " + s + " claimed to have ended synchronously, but didn't set the result via StepContext.onSuccess/onFailure"));
        }
        thread.setStep(null);
        // we just move on accordingly
        if (an instanceof StepStartNode) {
            // no body invoked, so EndNode follows StartNode immediately.
            thread.head.setNewHead(new StepEndNode(exec, (StepStartNode) an, an));
        }
        thread.head.markIfFail(context.getOutcome());
        return context.replay();
    } else {
        // if it's in progress, suspend it until we get invoked later.
        // when it resumes, the CPS caller behaves as if this method returned with the resume value
        Continuable.suspend(new ThreadTaskImpl(context));
        // so the execution will never reach here.
        throw new AssertionError();
    }
}