Examples with SchedulerNodeClient org.ow2.proactive.scheduler.task.client.SchedulerNodeClient used on opensource projects

Example 1 with SchedulerNodeClient

use of org.ow2.proactive.scheduler.task.client.SchedulerNodeClient in project scheduling by ow2-proactive.

the class InProcessTaskExecutor method execute.

/**
 * Executes a task inside a task context.
 *
 * @param taskContext Task context to execute.
 * @param output      Standard output sink.
 * @param error       Error sink.
 * @return Returns the task result.
 */
@Override
public TaskResultImpl execute(TaskContext taskContext, PrintStream output, PrintStream error) {
    ScriptHandler scriptHandler = ScriptLoader.createLocalHandler();
    String nodesFile = null;
    SchedulerNodeClient schedulerNodeClient = null;
    RemoteSpace userSpaceClient = null;
    RemoteSpace globalSpaceClient = null;
    try {
        nodesFile = writeNodesFile(taskContext);
        VariablesMap variables = new VariablesMap();
        variables.setInheritedMap(taskContextVariableExtractor.getAllNonTaskVariablesInjectNodesFile(taskContext, nodesFile));
        variables.setScopeMap(taskContextVariableExtractor.getScopeVariables(taskContext));
        Map<String, String> resultMetadata = new HashMap<>();
        Map<String, String> thirdPartyCredentials = forkedTaskVariablesManager.extractThirdPartyCredentials(taskContext);
        schedulerNodeClient = forkedTaskVariablesManager.createSchedulerNodeClient(taskContext);
        userSpaceClient = forkedTaskVariablesManager.createDataSpaceNodeClient(taskContext, schedulerNodeClient, IDataSpaceClient.Dataspace.USER);
        globalSpaceClient = forkedTaskVariablesManager.createDataSpaceNodeClient(taskContext, schedulerNodeClient, IDataSpaceClient.Dataspace.GLOBAL);
        forkedTaskVariablesManager.addBindingsToScriptHandler(scriptHandler, taskContext, variables, thirdPartyCredentials, schedulerNodeClient, userSpaceClient, globalSpaceClient, resultMetadata);
        Stopwatch stopwatch = Stopwatch.createUnstarted();
        TaskResultImpl taskResult;
        try {
            stopwatch.start();
            Serializable result = execute(taskContext, output, error, scriptHandler, thirdPartyCredentials, variables);
            stopwatch.stop();
            taskResult = new TaskResultImpl(taskContext.getTaskId(), result, null, stopwatch.elapsed(TimeUnit.MILLISECONDS));
        } catch (Throwable e) {
            stopwatch.stop();
            e.printStackTrace(error);
            taskResult = new TaskResultImpl(taskContext.getTaskId(), e, null, stopwatch.elapsed(TimeUnit.MILLISECONDS));
        }
        executeFlowScript(taskContext.getControlFlowScript(), scriptHandler, output, error, taskResult);
        taskResult.setPropagatedVariables(SerializationUtil.serializeVariableMap(variables.getPropagatedVariables()));
        taskResult.setMetadata(resultMetadata);
        return taskResult;
    } catch (Throwable e) {
        e.printStackTrace(error);
        return new TaskResultImpl(taskContext.getTaskId(), e);
    } finally {
        if (nodesFile != null && !nodesFile.isEmpty()) {
            FileUtils.deleteQuietly(new File(nodesFile));
        }
    }
}

Example 2 with SchedulerNodeClient

use of org.ow2.proactive.scheduler.task.client.SchedulerNodeClient in project scheduling by ow2-proactive.

the class RMProxyActiveObject method handleCleaningScript.

/**
 * Execute the given script on the given node.
 * Also register a callback on {@link #cleanCallBack(Future, NodeSet)} method when script has returned.
 * @param nodes           the nodeset on which to start the script
 * @param cleaningScript the script to be executed
 * @param variables
 * @param genericInformation
 * @param taskId
 * @param creds credentials with CredData containing third party credentials
 */
private void handleCleaningScript(NodeSet nodes, Script<?> cleaningScript, VariablesMap variables, Map<String, String> genericInformation, TaskId taskId, Credentials creds) {
    TaskLogger instance = TaskLogger.getInstance();
    try {
        this.nodesTaskId.put(nodes, taskId);
        // create a decrypter to access scheduler and retrieve Third Party User Credentials
        String privateKeyPath = PASchedulerProperties.getAbsolutePath(PASchedulerProperties.SCHEDULER_AUTH_PRIVKEY_PATH.getValueAsString());
        Decrypter decrypter = new Decrypter(Credentials.getPrivateKey(privateKeyPath));
        decrypter.setCredentials(creds);
        HashMap<String, Serializable> dictionary = new HashMap<>();
        dictionary.putAll(variables.getScriptMap());
        dictionary.putAll(variables.getInheritedMap());
        dictionary.putAll(variables.getPropagatedVariables());
        dictionary.putAll(variables.getScopeMap());
        // start handler for binding
        ScriptHandler handler = ScriptLoader.createHandler(nodes.get(0));
        VariablesMap resolvedMap = new VariablesMap();
        resolvedMap.setInheritedMap(VariableSubstitutor.resolveVariables(variables.getInheritedMap(), dictionary));
        resolvedMap.setScopeMap(VariableSubstitutor.resolveVariables(variables.getScopeMap(), dictionary));
        handler.addBinding(SchedulerConstants.VARIABLES_BINDING_NAME, (Serializable) resolvedMap);
        handler.addBinding(SchedulerConstants.GENERIC_INFO_BINDING_NAME, (Serializable) genericInformation);
        // retrieve scheduler URL to bind with schedulerapi, globalspaceapi, and userspaceapi
        String schedulerUrl = PASchedulerProperties.SCHEDULER_REST_URL.getValueAsString();
        logger.debug("Binding schedulerapi...");
        SchedulerNodeClient client = new SchedulerNodeClient(decrypter, schedulerUrl);
        handler.addBinding(SchedulerConstants.SCHEDULER_CLIENT_BINDING_NAME, (Serializable) client);
        logger.debug("Binding globalspaceapi...");
        RemoteSpace globalSpaceClient = new DataSpaceNodeClient(client, IDataSpaceClient.Dataspace.GLOBAL, schedulerUrl);
        handler.addBinding(SchedulerConstants.DS_GLOBAL_API_BINDING_NAME, (Serializable) globalSpaceClient);
        logger.debug("Binding userspaceapi...");
        RemoteSpace userSpaceClient = new DataSpaceNodeClient(client, IDataSpaceClient.Dataspace.USER, schedulerUrl);
        handler.addBinding(SchedulerConstants.DS_USER_API_BINDING_NAME, (Serializable) userSpaceClient);
        logger.debug("Binding credentials...");
        Map<String, String> resolvedThirdPartyCredentials = VariableSubstitutor.filterAndUpdate(decrypter.decrypt().getThirdPartyCredentials(), dictionary);
        handler.addBinding(SchedulerConstants.CREDENTIALS_VARIABLE, (Serializable) resolvedThirdPartyCredentials);
        ScriptResult<?> future = handler.handle(cleaningScript);
        try {
            PAEventProgramming.addActionOnFuture(future, "cleanCallBack", nodes);
        } catch (IllegalArgumentException e) {
            // TODO - linked to PROACTIVE-936 -> IllegalArgumentException is raised if method name is unknown
            // should be replaced by checked exception
            instance.error(taskId, "ERROR : Callback method won't be executed, node won't be released. This is a critical state, check the callback method name", e);
        }
        instance.info(taskId, "Cleaning Script started on node " + nodes.get(0).getNodeInformation().getURL());
    } catch (Exception e) {
        // if active object cannot be created or script has failed
        instance.error(taskId, "Error while starting cleaning script for task " + taskId + " on " + nodes.get(0), e);
        releaseNodes(nodes).booleanValue();
    }
}

Example 3 with SchedulerNodeClient

use of org.ow2.proactive.scheduler.task.client.SchedulerNodeClient in project scheduling by ow2-proactive.

the class ForkedTaskVariablesManagerTest method initializeForkedTaskVariableManager.

private Map<String, Object> initializeForkedTaskVariableManager(ScriptHandler scriptHandler, TaskContext taskContext, VariablesMap variables, Map<String, String> credentials, Map<String, String> resultMetadata) throws IllegalAccessException, NoSuchFieldException {
    // Create class
    ForkedTaskVariablesManager forkedTaskVariablesManager = new ForkedTaskVariablesManager();
    // Replace additionalBindings to hold a reference to it
    Map<String, Object> scriptHandlerBindings = new HashMap<>();
    setPrivateField(ScriptHandler.class.getDeclaredField("additionalBindings"), scriptHandler, scriptHandlerBindings);
    SchedulerNodeClient schedulerNodeClient = forkedTaskVariablesManager.createSchedulerNodeClient(taskContext);
    // Execute method which adds bindings
    forkedTaskVariablesManager.addBindingsToScriptHandler(scriptHandler, taskContext, variables, credentials, schedulerNodeClient, forkedTaskVariablesManager.createDataSpaceNodeClient(taskContext, schedulerNodeClient, IDataSpaceClient.Dataspace.USER), forkedTaskVariablesManager.createDataSpaceNodeClient(taskContext, schedulerNodeClient, IDataSpaceClient.Dataspace.GLOBAL), resultMetadata);
    return scriptHandlerBindings;
}

Example 4 with SchedulerNodeClient

use of org.ow2.proactive.scheduler.task.client.SchedulerNodeClient in project scheduling by ow2-proactive.

the class ForkEnvironmentScriptExecutor method executeForkEnvironmentScript.

/**
 * Executes a fork environment script.
 *
 * @param context    The task context to execute the script in.
 * @param outputSink Standard output sink.
 * @param errorSink  Error output sink.
 * @return Returns a ScriptResult.
 * @throws Exception
 */
public ScriptResult executeForkEnvironmentScript(TaskContext context, PrintStream outputSink, PrintStream errorSink) throws Exception {
    VariablesMap variables = new VariablesMap();
    variables.setInheritedMap(taskContextVariableExtractor.getAllNonTaskVariables(context));
    variables.setScopeMap(taskContextVariableExtractor.getScopeVariables(context));
    Map<String, String> thirdPartyCredentials = forkedTaskVariablesManager.extractThirdPartyCredentials(context);
    ScriptHandler scriptHandler = ScriptLoader.createLocalHandler();
    Script<?> script = context.getInitializer().getForkEnvironment().getEnvScript();
    SchedulerNodeClient schedulerNodeClient = forkedTaskVariablesManager.createSchedulerNodeClient(context);
    RemoteSpace userSpaceClient = forkedTaskVariablesManager.createDataSpaceNodeClient(context, schedulerNodeClient, IDataSpaceClient.Dataspace.USER);
    RemoteSpace globalSpaceClient = forkedTaskVariablesManager.createDataSpaceNodeClient(context, schedulerNodeClient, IDataSpaceClient.Dataspace.GLOBAL);
    forkedTaskVariablesManager.addBindingsToScriptHandler(scriptHandler, context, variables, thirdPartyCredentials, schedulerNodeClient, userSpaceClient, globalSpaceClient, Collections.<String, String>emptyMap());
    forkedTaskVariablesManager.replaceScriptParameters(script, thirdPartyCredentials, variables, errorSink);
    ScriptResult scriptResult = scriptHandler.handle(script, outputSink, errorSink);
    if (scriptResult.errorOccured()) {
        throw new Exception("Failed to execute fork environment script", scriptResult.getException());
    }
    return scriptResult;
}