Examples with TaskSpec org.apache.kafka.trogdor.task.TaskSpec used on opensource projects

Example 1 with TaskSpec

use of org.apache.kafka.trogdor.task.TaskSpec in project kafka by apache.

the class AgentClient method main.

public static void main(String[] args) throws Exception {
    ArgumentParser rootParser = ArgumentParsers.newArgumentParser("trogdor-agent-client").defaultHelp(true).description("The Trogdor agent client.");
    Subparsers subParsers = rootParser.addSubparsers().dest("command");
    Subparser uptimeParser = subParsers.addParser("uptime").help("Get the agent uptime.");
    addTargetArgument(uptimeParser);
    addJsonArgument(uptimeParser);
    Subparser statusParser = subParsers.addParser("status").help("Get the agent status.");
    addTargetArgument(statusParser);
    addJsonArgument(statusParser);
    Subparser createWorkerParser = subParsers.addParser("createWorker").help("Create a new worker.");
    addTargetArgument(createWorkerParser);
    addWorkerIdArgument(createWorkerParser, "The worker ID to create.");
    createWorkerParser.addArgument("--taskId").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to create.");
    createWorkerParser.addArgument("--spec", "-s").action(store()).required(true).type(String.class).dest("taskSpec").metavar("TASK_SPEC").help("The task spec to create, or a path to a file containing the task spec.");
    Subparser stopWorkerParser = subParsers.addParser("stopWorker").help("Stop a worker.");
    addTargetArgument(stopWorkerParser);
    addWorkerIdArgument(stopWorkerParser, "The worker ID to stop.");
    Subparser destroyWorkerParser = subParsers.addParser("destroyWorker").help("Destroy a worker.");
    addTargetArgument(destroyWorkerParser);
    addWorkerIdArgument(destroyWorkerParser, "The worker ID to destroy.");
    Subparser shutdownParser = subParsers.addParser("shutdown").help("Shut down the agent.");
    addTargetArgument(shutdownParser);
    Namespace res = rootParser.parseArgsOrFail(args);
    String target = res.getString("target");
    AgentClient client = new Builder().maxTries(3).target(target).build();
    ZoneOffset localOffset = OffsetDateTime.now().getOffset();
    switch(res.getString("command")) {
        case "uptime":
            {
                UptimeResponse uptime = client.uptime();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(uptime));
                } else {
                    System.out.printf("Agent is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(uptime.serverStartMs(), localOffset));
                    System.out.printf("\tCurrent server time: %s%n", dateString(uptime.nowMs(), localOffset));
                    System.out.printf("\tUptime: %s%n", durationString(uptime.nowMs() - uptime.serverStartMs()));
                }
                break;
            }
        case "status":
            {
                AgentStatusResponse status = client.status();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(status));
                } else {
                    System.out.printf("Agent is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(status.serverStartMs(), localOffset));
                    List<List<String>> lines = new ArrayList<>();
                    List<String> header = new ArrayList<>(Arrays.asList("WORKER_ID", "TASK_ID", "STATE", "TASK_TYPE"));
                    lines.add(header);
                    for (Map.Entry<Long, WorkerState> entry : status.workers().entrySet()) {
                        List<String> cols = new ArrayList<>();
                        cols.add(Long.toString(entry.getKey()));
                        cols.add(entry.getValue().taskId());
                        cols.add(entry.getValue().getClass().getSimpleName());
                        cols.add(entry.getValue().spec().getClass().getCanonicalName());
                        lines.add(cols);
                    }
                    System.out.print(StringFormatter.prettyPrintGrid(lines));
                }
                break;
            }
        case "createWorker":
            {
                long workerId = res.getLong("workerId");
                String taskId = res.getString("taskId");
                TaskSpec taskSpec = JsonUtil.objectFromCommandLineArgument(res.getString("taskSpec"), TaskSpec.class);
                CreateWorkerRequest req = new CreateWorkerRequest(workerId, taskId, taskSpec);
                client.createWorker(req);
                System.out.printf("Sent CreateWorkerRequest for worker %d%n.", req.workerId());
                break;
            }
        case "stopWorker":
            {
                long workerId = res.getLong("workerId");
                client.stopWorker(new StopWorkerRequest(workerId));
                System.out.printf("Sent StopWorkerRequest for worker %d%n.", workerId);
                break;
            }
        case "destroyWorker":
            {
                long workerId = res.getLong("workerId");
                client.destroyWorker(new DestroyWorkerRequest(workerId));
                System.out.printf("Sent DestroyWorkerRequest for worker %d%n.", workerId);
                break;
            }
        case "shutdown":
            {
                client.invokeShutdown();
                System.out.println("Sent ShutdownRequest.");
                break;
            }
        default:
            {
                System.out.println("You must choose an action. Type --help for help.");
                Exit.exit(1);
            }
    }
}

Example 2 with TaskSpec

use of org.apache.kafka.trogdor.task.TaskSpec in project kafka by apache.

the class CoordinatorClient method main.

public static void main(String[] args) throws Exception {
    ArgumentParser rootParser = ArgumentParsers.newArgumentParser("trogdor-coordinator-client").description("The Trogdor coordinator client.");
    Subparsers subParsers = rootParser.addSubparsers().dest("command");
    Subparser uptimeParser = subParsers.addParser("uptime").help("Get the coordinator uptime.");
    addTargetArgument(uptimeParser);
    addJsonArgument(uptimeParser);
    Subparser statusParser = subParsers.addParser("status").help("Get the coordinator status.");
    addTargetArgument(statusParser);
    addJsonArgument(statusParser);
    Subparser showTaskParser = subParsers.addParser("showTask").help("Show a coordinator task.");
    addTargetArgument(showTaskParser);
    addJsonArgument(showTaskParser);
    showTaskParser.addArgument("--id", "-i").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to show.");
    showTaskParser.addArgument("--verbose", "-v").action(storeTrue()).dest("verbose").metavar("VERBOSE").help("Print out everything.");
    showTaskParser.addArgument("--show-status", "-S").action(storeTrue()).dest("showStatus").metavar("SHOW_STATUS").help("Show the task status.");
    Subparser showTasksParser = subParsers.addParser("showTasks").help("Show many coordinator tasks.  By default, all tasks are shown, but " + "command-line options can be specified as filters.");
    addTargetArgument(showTasksParser);
    addJsonArgument(showTasksParser);
    MutuallyExclusiveGroup idGroup = showTasksParser.addMutuallyExclusiveGroup();
    idGroup.addArgument("--id", "-i").action(append()).type(String.class).dest("taskIds").metavar("TASK_IDS").help("Show only this task ID.  This option may be specified multiple times.");
    idGroup.addArgument("--id-pattern").action(store()).type(String.class).dest("taskIdPattern").metavar("TASK_ID_PATTERN").help("Only display tasks which match the given ID pattern.");
    showTasksParser.addArgument("--state", "-s").type(TaskStateType.class).dest("taskStateType").metavar("TASK_STATE_TYPE").help("Show only tasks in this state.");
    Subparser createTaskParser = subParsers.addParser("createTask").help("Create a new task.");
    addTargetArgument(createTaskParser);
    createTaskParser.addArgument("--id", "-i").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to create.");
    createTaskParser.addArgument("--spec", "-s").action(store()).required(true).type(String.class).dest("taskSpec").metavar("TASK_SPEC").help("The task spec to create, or a path to a file containing the task spec.");
    Subparser stopTaskParser = subParsers.addParser("stopTask").help("Stop a task.");
    addTargetArgument(stopTaskParser);
    stopTaskParser.addArgument("--id", "-i").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to create.");
    Subparser destroyTaskParser = subParsers.addParser("destroyTask").help("Destroy a task.");
    addTargetArgument(destroyTaskParser);
    destroyTaskParser.addArgument("--id", "-i").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to destroy.");
    Subparser shutdownParser = subParsers.addParser("shutdown").help("Shut down the coordinator.");
    addTargetArgument(shutdownParser);
    Namespace res = rootParser.parseArgsOrFail(args);
    String target = res.getString("target");
    CoordinatorClient client = new Builder().maxTries(3).target(target).build();
    ZoneOffset localOffset = OffsetDateTime.now().getOffset();
    switch(res.getString("command")) {
        case "uptime":
            {
                UptimeResponse uptime = client.uptime();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(uptime));
                } else {
                    System.out.printf("Coordinator is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(uptime.serverStartMs(), localOffset));
                    System.out.printf("\tCurrent server time: %s%n", dateString(uptime.nowMs(), localOffset));
                    System.out.printf("\tUptime: %s%n", durationString(uptime.nowMs() - uptime.serverStartMs()));
                }
                break;
            }
        case "status":
            {
                CoordinatorStatusResponse response = client.status();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(response));
                } else {
                    System.out.printf("Coordinator is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(response.serverStartMs(), localOffset));
                }
                break;
            }
        case "showTask":
            {
                String taskId = res.getString("taskId");
                TaskRequest req = new TaskRequest(taskId);
                TaskState taskState = null;
                try {
                    taskState = client.task(req);
                } catch (NotFoundException e) {
                    System.out.printf("Task %s was not found.%n", taskId);
                    Exit.exit(1);
                }
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(taskState));
                } else {
                    System.out.printf("Task %s of type %s is %s. %s%n", taskId, taskState.spec().getClass().getCanonicalName(), taskState.stateType(), prettyPrintTaskInfo(taskState, localOffset));
                    if (taskState instanceof TaskDone) {
                        TaskDone taskDone = (TaskDone) taskState;
                        if ((taskDone.error() != null) && (!taskDone.error().isEmpty())) {
                            System.out.printf("Error: %s%n", taskDone.error());
                        }
                    }
                    if (res.getBoolean("verbose")) {
                        System.out.printf("Spec: %s%n%n", JsonUtil.toPrettyJsonString(taskState.spec()));
                    }
                    if (res.getBoolean("verbose") || res.getBoolean("showStatus")) {
                        System.out.printf("Status: %s%n%n", JsonUtil.toPrettyJsonString(taskState.status()));
                    }
                }
                break;
            }
        case "showTasks":
            {
                TaskStateType taskStateType = res.<TaskStateType>get("taskStateType");
                List<String> taskIds = new ArrayList<>();
                Pattern taskIdPattern = null;
                if (res.getList("taskIds") != null) {
                    for (Object taskId : res.getList("taskIds")) {
                        taskIds.add((String) taskId);
                    }
                } else if (res.getString("taskIdPattern") != null) {
                    try {
                        taskIdPattern = Pattern.compile(res.getString("taskIdPattern"));
                    } catch (PatternSyntaxException e) {
                        System.out.println("Invalid task ID regular expression " + res.getString("taskIdPattern"));
                        e.printStackTrace();
                        Exit.exit(1);
                    }
                }
                TasksRequest req = new TasksRequest(taskIds, 0, 0, 0, 0, Optional.ofNullable(taskStateType));
                TasksResponse response = client.tasks(req);
                if (taskIdPattern != null) {
                    TreeMap<String, TaskState> filteredTasks = new TreeMap<>();
                    for (Map.Entry<String, TaskState> entry : response.tasks().entrySet()) {
                        if (taskIdPattern.matcher(entry.getKey()).matches()) {
                            filteredTasks.put(entry.getKey(), entry.getValue());
                        }
                    }
                    response = new TasksResponse(filteredTasks);
                }
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(response));
                } else {
                    System.out.println(prettyPrintTasksResponse(response, localOffset));
                }
                if (response.tasks().isEmpty()) {
                    Exit.exit(1);
                }
                break;
            }
        case "createTask":
            {
                String taskId = res.getString("taskId");
                TaskSpec taskSpec = JsonUtil.objectFromCommandLineArgument(res.getString("taskSpec"), TaskSpec.class);
                CreateTaskRequest req = new CreateTaskRequest(taskId, taskSpec);
                try {
                    client.createTask(req);
                    System.out.printf("Sent CreateTaskRequest for task %s.%n", req.id());
                } catch (RequestConflictException rce) {
                    System.out.printf("CreateTaskRequest for task %s got a 409 status code - " + "a task with the same ID but a different specification already exists.%nException: %s%n", req.id(), rce.getMessage());
                    Exit.exit(1);
                }
                break;
            }
        case "stopTask":
            {
                String taskId = res.getString("taskId");
                StopTaskRequest req = new StopTaskRequest(taskId);
                client.stopTask(req);
                System.out.printf("Sent StopTaskRequest for task %s.%n", taskId);
                break;
            }
        case "destroyTask":
            {
                String taskId = res.getString("taskId");
                DestroyTaskRequest req = new DestroyTaskRequest(taskId);
                client.destroyTask(req);
                System.out.printf("Sent DestroyTaskRequest for task %s.%n", taskId);
                break;
            }
        case "shutdown":
            {
                client.shutdown();
                System.out.println("Sent ShutdownRequest.");
                break;
            }
        default:
            {
                System.out.println("You must choose an action. Type --help for help.");
                Exit.exit(1);
            }
    }
}

Example 3 with TaskSpec

use of org.apache.kafka.trogdor.task.TaskSpec in project kafka by apache.

the class AgentTest method testAgentExecWithNormalExit.

@Test
public void testAgentExecWithNormalExit() throws Exception {
    Agent agent = createAgent(Scheduler.SYSTEM);
    SampleTaskSpec spec = new SampleTaskSpec(0, 120000, Collections.singletonMap("node01", 1L), "");
    TaskSpec rebasedSpec = agent.rebaseTaskSpecTime(spec);
    testExec(agent, String.format("Waiting for completion of task:%s%n", JsonUtil.toPrettyJsonString(rebasedSpec)) + String.format("Task succeeded with status \"halted\"%n"), true, rebasedSpec);
    agent.beginShutdown();
    agent.waitForShutdown();
}

Example 4 with TaskSpec

use of org.apache.kafka.trogdor.task.TaskSpec in project kafka by apache.

the class AgentTest method testAgentExecWithTimeout.

@Test
public void testAgentExecWithTimeout() throws Exception {
    Agent agent = createAgent(Scheduler.SYSTEM);
    NoOpTaskSpec spec = new NoOpTaskSpec(0, 1);
    TaskSpec rebasedSpec = agent.rebaseTaskSpecTime(spec);
    testExec(agent, String.format("Waiting for completion of task:%s%n", JsonUtil.toPrettyJsonString(rebasedSpec)) + String.format("Task failed with status null and error worker expired%n"), false, rebasedSpec);
    agent.beginShutdown();
    agent.waitForShutdown();
}

Example 5 with TaskSpec

use of org.apache.kafka.trogdor.task.TaskSpec in project kafka by apache.

the class Agent method main.

public static void main(String[] args) throws Exception {
    ArgumentParser parser = ArgumentParsers.newArgumentParser("trogdor-agent").defaultHelp(true).description("The Trogdor fault injection agent");
    parser.addArgument("--agent.config", "-c").action(store()).required(true).type(String.class).dest("config").metavar("CONFIG").help("The configuration file to use.");
    parser.addArgument("--node-name", "-n").action(store()).required(true).type(String.class).dest("node_name").metavar("NODE_NAME").help("The name of this node.");
    parser.addArgument("--exec", "-e").action(store()).type(String.class).dest("task_spec").metavar("TASK_SPEC").help("Execute a single task spec and then exit.  The argument is the task spec to load when starting up, or a path to it.");
    Namespace res = null;
    try {
        res = parser.parseArgs(args);
    } catch (ArgumentParserException e) {
        if (args.length == 0) {
            parser.printHelp();
            Exit.exit(0);
        } else {
            parser.handleError(e);
            Exit.exit(1);
        }
    }
    String configPath = res.getString("config");
    String nodeName = res.getString("node_name");
    String taskSpec = res.getString("task_spec");
    Platform platform = Platform.Config.parse(nodeName, configPath);
    JsonRestServer restServer = new JsonRestServer(Node.Util.getTrogdorAgentPort(platform.curNode()));
    AgentRestResource resource = new AgentRestResource();
    log.info("Starting agent process.");
    final Agent agent = new Agent(platform, Scheduler.SYSTEM, restServer, resource);
    restServer.start(resource);
    Exit.addShutdownHook("agent-shutdown-hook", () -> {
        log.warn("Running agent shutdown hook.");
        try {
            agent.beginShutdown();
            agent.waitForShutdown();
        } catch (Exception e) {
            log.error("Got exception while running agent shutdown hook.", e);
        }
    });
    if (taskSpec != null) {
        TaskSpec spec = null;
        try {
            spec = JsonUtil.objectFromCommandLineArgument(taskSpec, TaskSpec.class);
        } catch (Exception e) {
            System.out.println("Unable to parse the supplied task spec.");
            e.printStackTrace();
            Exit.exit(1);
        }
        TaskSpec effectiveSpec = agent.rebaseTaskSpecTime(spec);
        Exit.exit(agent.exec(effectiveSpec, System.out) ? 0 : 1);
    }
    agent.waitForShutdown();
}