int main(int argc, char** argv) { GOOGLE_PROTOBUF_VERIFY_VERSION; Flags flags; Try<flags::Warnings> load = flags.load(None(), argc, argv); if (load.isError()) { cerr << flags.usage(load.error()) << endl; return EXIT_FAILURE; } if (flags.help) { cout << flags.usage() << endl; return EXIT_SUCCESS; } // Log any flag warnings. foreach (const flags::Warning& warning, load->warnings) { LOG(WARNING) << warning.message; } if (flags.pid.isNone()) { cerr << flags.usage("Missing required option --pid") << endl; return EXIT_FAILURE; } Try<ResourceStatistics> statistics = mesos::internal::usage(flags.pid.get()); if (statistics.isError()) { cerr << "Failed to get usage: " << statistics.error() << endl; return EXIT_FAILURE; } if (flags.recordio) { Try<Nothing> write = protobuf::write(STDOUT_FILENO, statistics.get()); if (write.isError()) { cerr << "Failed to write record: " << write.error() << endl; return EXIT_FAILURE; } } else { cout << stringify(JSON::protobuf(statistics.get())) << endl; } return EXIT_SUCCESS; }
int main(int argc, char** argv) { Flags flags; // Load and validate flags from the environment and command line. Try<flags::Warnings> load = flags.load(None(), &argc, &argv); if (load.isError()) { EXIT(EXIT_FAILURE) << flags.usage(load.error()); } // Log any flag warnings. foreach (const flags::Warning& warning, load->warnings) { LOG(WARNING) << warning.message; } // Make sure this process is running in its own session. // This ensures that, if the parent process (presumably the Mesos agent) // terminates, this logger process will continue to run. if (::setsid() == -1) { EXIT(EXIT_FAILURE) << ErrnoError("Failed to put child in a new session").message; } // Asynchronously control the flow and size of logs. LogrotateLoggerProcess process(flags); spawn(&process); // Wait for the logging process to finish. Future<Nothing> status = dispatch(process, &LogrotateLoggerProcess::run); status.await(); terminate(process); wait(process); return status.isReady() ? EXIT_SUCCESS : EXIT_FAILURE; }
int main(int argc, char** argv) { GOOGLE_PROTOBUF_VERIFY_VERSION; Flags flags; Try<flags::Warnings> load = flags.load(None(), argc, argv); if (load.isError()) { cerr << flags.usage(load.error()) << endl; return EXIT_FAILURE; } if (flags.help) { cout << flags.usage() << endl; return EXIT_SUCCESS; } // Log any flag warnings. foreach (const flags::Warning& warning, load->warnings) { LOG(WARNING) << warning.message; } if (flags.health_check_json.isNone()) { cerr << flags.usage("Expected JSON with health check description") << endl; return EXIT_FAILURE; } Try<JSON::Object> parse = JSON::parse<JSON::Object>(flags.health_check_json.get()); if (parse.isError()) { cerr << flags.usage("Failed to parse --health_check_json: " + parse.error()) << endl; return EXIT_FAILURE; } Try<HealthCheck> check = protobuf::parse<HealthCheck>(parse.get()); if (check.isError()) { cerr << flags.usage("Failed to parse --health_check_json: " + check.error()) << endl; return EXIT_SUCCESS; } if (flags.executor.isNone()) { cerr << flags.usage("Missing required option --executor") << endl; return EXIT_FAILURE; } if (check.get().has_http() && check.get().has_command()) { cerr << flags.usage("Both 'http' and 'command' health check requested") << endl; return EXIT_FAILURE; } if (!check.get().has_http() && !check.get().has_command()) { cerr << flags.usage("Expecting one of 'http' or 'command' health check") << endl; return EXIT_FAILURE; } if (flags.task_id.isNone()) { cerr << flags.usage("Missing required option --task_id") << endl; return EXIT_FAILURE; } TaskID taskID; taskID.set_value(flags.task_id.get()); mesos::internal::HealthCheckerProcess process( check.get(), flags.executor.get(), taskID); process::spawn(&process); process::Future<Nothing> checking = process::dispatch( process, &mesos::internal::HealthCheckerProcess::healthCheck); checking.await(); process::terminate(process); process::wait(process); if (checking.isFailed()) { LOG(WARNING) << "Health check failed " << checking.failure(); return EXIT_FAILURE; } return EXIT_SUCCESS; }
int main(int argc, char** argv) { Flags flags; Try<flags::Warnings> load = flags.load("MESOS_EXAMPLE_", argc, argv); if (load.isError()) { std::cerr << flags.usage(load.error()) << std::endl; return EXIT_FAILURE; } if (flags.help) { std::cout << flags.usage() << std::endl; return EXIT_SUCCESS; } mesos::internal::logging::initialize(argv[0], false); // Log any flag warnings (after logging is initialized). foreach (const flags::Warning& warning, load->warnings) { LOG(WARNING) << warning.message; } if (flags.qps <= 0.0) { EXIT(EXIT_FAILURE) << "Flag '--qps' needs to be greater than zero"; } LoadGeneratorScheduler scheduler(flags.qps, flags.duration); FrameworkInfo framework; framework.set_user(""); // Have Mesos fill in the current user. framework.set_principal(flags.principal); framework.set_name(FRAMEWORK_NAME); framework.set_checkpoint(flags.checkpoint); framework.add_roles(flags.role); framework.add_capabilities()->set_type( FrameworkInfo::Capability::RESERVATION_REFINEMENT); framework.set_checkpoint(flags.checkpoint); if (flags.master == "local") { // Configure master. os::setenv("MESOS_ROLES", flags.role); os::setenv("MESOS_AUTHENTICATE_FRAMEWORKS", stringify(flags.authenticate)); ACLs acls; ACL::RegisterFramework* acl = acls.add_register_frameworks(); acl->mutable_principals()->set_type(ACL::Entity::ANY); acl->mutable_roles()->add_values("*"); os::setenv("MESOS_ACLS", stringify(JSON::protobuf(acls))); } MesosSchedulerDriver* driver; if (flags.authenticate) { LOG(INFO) << "Enabling authentication for the framework"; Credential credential; credential.set_principal(flags.principal); if (flags.secret.isSome()) { credential.set_secret(flags.secret.get()); } driver = new MesosSchedulerDriver( &scheduler, framework, flags.master, credential); } else { driver = new MesosSchedulerDriver( &scheduler, framework, flags.master); } int status = driver->run() == DRIVER_STOPPED ? EXIT_SUCCESS : EXIT_FAILURE; // Ensure that the driver process terminates. driver->stop(); delete driver; return status; }
int main(int argc, char** argv) { Flags flags; Try<Nothing> load = flags.load("MESOS_", argc, argv); if (load.isError()) { cerr << flags.usage(load.error()) << endl; return EXIT_FAILURE; } if (flags.help) { cout << flags.usage() << endl; return EXIT_SUCCESS; } if (flags.master.isNone()) { cerr << flags.usage( "Missing required option --master") << endl; return EXIT_FAILURE; } if (flags.qps.isNone()) { cerr << flags.usage("Missing required option --qps") << endl; return EXIT_FAILURE; } if (flags.qps.get() <= 0) { cerr << flags.usage("--qps needs to be greater than zero") << endl; return EXIT_FAILURE; } // We want the logger to catch failure signals. mesos::internal::logging::initialize(argv[0], flags, true); LoadGeneratorScheduler scheduler(flags.qps.get(), flags.duration); FrameworkInfo framework; framework.set_user(""); // Have Mesos fill in the current user. framework.set_name("Load Generator Framework (C++)"); const Option<string> checkpoint = os::getenv("MESOS_CHECKPOINT"); if (checkpoint.isSome()) { framework.set_checkpoint( numify<bool>(checkpoint.get()).get()); } MesosSchedulerDriver* driver; if (flags.authenticate) { cout << "Enabling authentication for the framework" << endl; if (flags.secret.isNone()) { cerr << "Expecting --secret when --authenticate is set" << endl; return EXIT_FAILURE; } string secret = flags.secret.get(); Credential credential; credential.set_principal(flags.principal); credential.set_secret(strings::trim(secret)); framework.set_principal(flags.principal); driver = new MesosSchedulerDriver( &scheduler, framework, flags.master.get(), credential); } else { framework.set_principal(flags.principal); driver = new MesosSchedulerDriver( &scheduler, framework, flags.master.get()); } int status = driver->run() == DRIVER_STOPPED ? EXIT_SUCCESS : EXIT_SUCCESS; // Ensure that the driver process terminates. driver->stop(); delete driver; return status; }
int main(int argc, char** argv) { Flags flags; flags.setUsageMessage("Usage: " + Path(argv[0]).basename() + " <master>"); // Load flags from environment and command line, and remove // them from argv. Try<flags::Warnings> load = flags.load(None(), &argc, &argv); if (flags.help) { cout << flags.usage() << endl; return EXIT_SUCCESS; } if (load.isError()) { cerr << flags.usage(load.error()) << endl; return EXIT_FAILURE; } // Log any flag warnings. foreach (const flags::Warning& warning, load->warnings) { cerr << warning.message << endl; } // 'master' argument must be the only argument left after parsing. if (argc != 2) { cerr << flags.usage("There must be only one argument: <master>") << endl; return EXIT_FAILURE; } string master = argv[1]; Try<mesos::master::detector::MasterDetector*> detector = mesos::master::detector::MasterDetector::create(master); if (detector.isError()) { cerr << "Failed to create a master detector: " << detector.error() << endl; return EXIT_FAILURE; } Future<Option<MasterInfo>> masterInfo = detector.get()->detect(); if (!masterInfo.await(flags.timeout)) { cerr << "Failed to detect master from '" << master << "' within " << flags.timeout << endl; return -1; } else { CHECK(!masterInfo.isDiscarded()); if (masterInfo.isFailed()) { cerr << "Failed to detect master from '" << master << "': " << masterInfo.failure() << endl; return EXIT_FAILURE; } } // The future is not satisfied unless the result is Some. CHECK_SOME(masterInfo.get()); cout << strings::remove(masterInfo.get().get().pid(), "master@") << endl; return EXIT_SUCCESS; }