/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2006 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * Copyright (c) 2006 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2007-2012 Los Alamos National Security, LLC. All rights * reserved. * Copyright (c) 2014-2017 Intel, Inc. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ * * These symbols are in a file by themselves to provide nice linker * semantics. Since linkers generally pull in symbols by object * files, keeping these symbols as the only symbols in this file * prevents utility programs such as "ompi_info" from having to import * entire components just to query their version and parameters. */ #include "orte_config.h" #include "orte/constants.h" #include "orte/types.h" #include #ifdef HAVE_UNISTD_H #include #endif #include #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif #ifdef HAVE_SYS_WAIT_H #include #endif #ifdef HAVE_SCHED_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #include #include #include "opal/mca/installdirs/installdirs.h" #include "opal/mca/event/event.h" #include "opal/util/argv.h" #include "opal/util/output.h" #include "orte/util/show_help.h" #include "opal/util/opal_environ.h" #include "opal/util/basename.h" #include "orte/util/name_fns.h" #include "orte/util/threads.h" #include "orte/runtime/orte_globals.h" #include "orte/runtime/orte_wait.h" #include "orte/mca/errmgr/errmgr.h" #include "orte/mca/rmaps/rmaps.h" #include "orte/mca/state/state.h" #include "orte/mca/plm/plm.h" #include "orte/mca/plm/base/plm_private.h" #include "plm_tm.h" /* * API functions */ static int plm_tm_init(void); static int plm_tm_launch_job(orte_job_t *jdata); static int plm_tm_terminate_orteds(void); static int plm_tm_signal_job(orte_jobid_t jobid, int32_t signal); static int plm_tm_finalize(void); /* * Local "global" variables */ static orte_std_cntr_t launched = 0; static bool connected = false; /* * Global variable */ orte_plm_base_module_t orte_plm_tm_module = { plm_tm_init, orte_plm_base_set_hnp_name, plm_tm_launch_job, NULL, orte_plm_base_orted_terminate_job, plm_tm_terminate_orteds, orte_plm_base_orted_kill_local_procs, plm_tm_signal_job, plm_tm_finalize }; /* Local functions */ static int plm_tm_connect(void); static void launch_daemons(int fd, short args, void *cbdata); static void poll_spawns(int fd, short args, void *cbdata); /** * Init the module */ static int plm_tm_init(void) { int rc; if (ORTE_SUCCESS != (rc = orte_plm_base_comm_start())) { ORTE_ERROR_LOG(rc); } /* we assign daemon nodes at launch */ orte_plm_globals.daemon_nodes_assigned_at_launch = true; /* point to our launch command */ if (ORTE_SUCCESS != (rc = orte_state.add_job_state(ORTE_JOB_STATE_LAUNCH_DAEMONS, launch_daemons, ORTE_SYS_PRI))) { ORTE_ERROR_LOG(rc); return rc; } /* overwrite the daemons_launched state to point to * our own local function */ if (ORTE_SUCCESS != (rc = orte_state.set_job_state_callback(ORTE_JOB_STATE_DAEMONS_LAUNCHED, poll_spawns))) { ORTE_ERROR_LOG(rc); return rc; } return rc; } static int plm_tm_launch_job(orte_job_t *jdata) { if (ORTE_FLAG_TEST(jdata, ORTE_JOB_FLAG_RESTART)) { /* this is a restart situation - skip to the mapping stage */ ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_MAP); } else { /* new job - set it up */ ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_INIT); } return ORTE_SUCCESS; } /* When working in this function, ALWAYS jump to "cleanup" if * you encounter an error so that orterun will be woken up and * the job can cleanly terminate */ static void launch_daemons(int fd, short args, void *cbdata) { orte_job_map_t *map = NULL; orte_app_context_t *app; orte_node_t *node; int proc_vpid_index; char *param; char **env = NULL; char *var; char **argv = NULL; int argc = 0; int rc; orte_std_cntr_t i; char *bin_base = NULL, *lib_base = NULL; tm_event_t *tm_events = NULL; tm_task_id *tm_task_ids = NULL; bool failed_launch = true; mode_t current_umask; char* vpid_string; orte_job_t *daemons, *jdata; orte_state_caddy_t *state = (orte_state_caddy_t*)cbdata; int32_t launchid, *ldptr; char *prefix_dir = NULL; ORTE_ACQUIRE_OBJECT(state); jdata = state->jdata; /* if we are launching debugger daemons, then just go * do it - no new daemons will be launched */ if (ORTE_FLAG_TEST(state->jdata, ORTE_JOB_FLAG_DEBUGGER_DAEMON)) { jdata->state = ORTE_JOB_STATE_DAEMONS_LAUNCHED; ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_DAEMONS_REPORTED); OBJ_RELEASE(state); return; } /* setup the virtual machine */ daemons = orte_get_job_data_object(ORTE_PROC_MY_NAME->jobid); if (ORTE_SUCCESS != (rc = orte_plm_base_setup_virtual_machine(jdata))) { ORTE_ERROR_LOG(rc); goto cleanup; } /* if we don't want to launch, then don't attempt to * launch the daemons - the user really wants to just * look at the proposed process map */ if (orte_do_not_launch) { /* set the state to indicate the daemons reported - this * will trigger the daemons_reported event and cause the * job to move to the following step */ jdata->state = ORTE_JOB_STATE_DAEMONS_LAUNCHED; ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_DAEMONS_REPORTED); OBJ_RELEASE(state); return; } /* Get the map for this job */ if (NULL == (map = daemons->map)) { ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND); rc = ORTE_ERR_NOT_FOUND; goto cleanup; } if (0 == map->num_new_daemons) { /* set the state to indicate the daemons reported - this * will trigger the daemons_reported event and cause the * job to move to the following step */ jdata->state = ORTE_JOB_STATE_DAEMONS_LAUNCHED; ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_DAEMONS_REPORTED); OBJ_RELEASE(state); return; } OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: launching vm", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME))); /* Allocate a bunch of TM events to use for tm_spawn()ing */ tm_events = malloc(sizeof(tm_event_t) * map->num_new_daemons); if (NULL == tm_events) { rc = ORTE_ERR_OUT_OF_RESOURCE; ORTE_ERROR_LOG(rc); goto cleanup; } tm_task_ids = malloc(sizeof(tm_task_id) * map->num_new_daemons); if (NULL == tm_task_ids) { rc = ORTE_ERR_OUT_OF_RESOURCE; ORTE_ERROR_LOG(rc); goto cleanup; } /* add the daemon command (as specified by user) */ orte_plm_base_setup_orted_cmd(&argc, &argv); /* Add basic orted command line options */ orte_plm_base_orted_append_basic_args(&argc, &argv, "tm", &proc_vpid_index); if (0 < opal_output_get_verbosity(orte_plm_base_framework.framework_output)) { param = opal_argv_join(argv, ' '); OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: final top-level argv:\n\t%s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), (NULL == param) ? "NULL" : param)); if (NULL != param) free(param); } if (!connected) { if (ORTE_SUCCESS != plm_tm_connect()) { goto cleanup; } connected = true; } /* Figure out the basenames for the libdir and bindir. There is a lengthy comment about this in plm_rsh_module.c explaining all the rationale for how / why we're doing this. */ lib_base = opal_basename(opal_install_dirs.libdir); bin_base = opal_basename(opal_install_dirs.bindir); /* setup environment */ env = opal_argv_copy(orte_launch_environ); /* enable local launch by the orteds */ (void) mca_base_var_env_name ("plm", &var); opal_setenv(var, "rsh", true, &env); free(var); /* add our umask -- see big note in orted.c */ current_umask = umask(0); umask(current_umask); (void)asprintf(&var, "0%o", current_umask); opal_setenv("ORTE_DAEMON_UMASK_VALUE", var, true, &env); free(var); /* If we have a prefix, then modify the PATH and LD_LIBRARY_PATH environment variables. We only allow a single prefix to be specified. Since there will always be at least one app_context, we take it from there */ app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, 0); orte_get_attribute(&app->attributes, ORTE_APP_PREFIX_DIR, (void**)&prefix_dir, OPAL_STRING); if (NULL != prefix_dir) { char *newenv; for (i = 0; NULL != env && NULL != env[i]; ++i) { /* Reset PATH */ if (0 == strncmp("PATH=", env[i], 5)) { (void)asprintf(&newenv, "%s/%s:%s", prefix_dir, bin_base, env[i] + 5); OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: resetting PATH: %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), newenv)); opal_setenv("PATH", newenv, true, &env); free(newenv); } /* Reset LD_LIBRARY_PATH */ else if (0 == strncmp("LD_LIBRARY_PATH=", env[i], 16)) { (void)asprintf(&newenv, "%s/%s:%s", prefix_dir, lib_base, env[i] + 16); OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: resetting LD_LIBRARY_PATH: %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), newenv)); opal_setenv("LD_LIBRARY_PATH", newenv, true, &env); free(newenv); } } free(prefix_dir); } /* Iterate through each of the nodes and spin * up a daemon. */ ldptr = &launchid; for (i = 0; i < map->nodes->size; i++) { if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(map->nodes, i))) { continue; } /* if this daemon already exists, don't launch it! */ if (ORTE_FLAG_TEST(node, ORTE_NODE_FLAG_DAEMON_LAUNCHED)) { continue; } OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: launching on node %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), node->name)); /* setup process name */ rc = orte_util_convert_vpid_to_string(&vpid_string, node->daemon->name.vpid); if (ORTE_SUCCESS != rc) { opal_output(0, "plm:tm: unable to get daemon vpid as string"); exit(-1); } free(argv[proc_vpid_index]); argv[proc_vpid_index] = strdup(vpid_string); free(vpid_string); /* exec the daemon */ if (0 < opal_output_get_verbosity(orte_plm_base_framework.framework_output)) { param = opal_argv_join(argv, ' '); OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm: executing:\n\t%s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), (NULL == param) ? "NULL" : param)); if (NULL != param) free(param); } launchid = 0; if (!orte_get_attribute(&node->attributes, ORTE_NODE_LAUNCH_ID, (void**)&ldptr, OPAL_INT32)) { orte_show_help("help-plm-tm.txt", "tm-spawn-failed", true, argv[0], node->name, 0); rc = ORTE_ERROR; goto cleanup; } rc = tm_spawn(argc, argv, env, launchid, tm_task_ids + launched, tm_events + launched); if (TM_SUCCESS != rc) { orte_show_help("help-plm-tm.txt", "tm-spawn-failed", true, argv[0], node->name, launchid); rc = ORTE_ERROR; goto cleanup; } launched++; } /* indicate that the daemons for this job were launched */ state->jdata->state = ORTE_JOB_STATE_DAEMONS_LAUNCHED; daemons->state = ORTE_JOB_STATE_DAEMONS_LAUNCHED; /* flag that launch was successful, so far as we currently know */ failed_launch = false; OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output, "%s plm:tm:launch: finished spawning orteds", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME))); cleanup: /* cleanup */ OBJ_RELEASE(state); /* check for failed launch - if so, force terminate */ if (failed_launch) { ORTE_ACTIVATE_JOB_STATE(daemons, ORTE_JOB_STATE_FAILED_TO_START); } } static void poll_spawns(int fd, short args, void *cbdata) { orte_state_caddy_t *state = (orte_state_caddy_t*)cbdata; int i, rc; bool failed_launch = true; int local_err; tm_event_t event; ORTE_ACQUIRE_OBJECT(state); /* TM poll for all the spawns */ for (i = 0; i < launched; ++i) { rc = tm_poll(TM_NULL_EVENT, &event, 1, &local_err); if (TM_SUCCESS != rc) { opal_output(0, "plm:tm: failed to poll for a spawned daemon, return status = %d", rc); goto cleanup; } if (TM_SUCCESS != local_err) { opal_output(0, "plm:tm: failed to spawn daemon, error code = %d", local_err ); goto cleanup; } } failed_launch = false; cleanup: /* cleanup */ OBJ_RELEASE(state); /* check for failed launch - if so, force terminate */ if (failed_launch) { ORTE_ACTIVATE_JOB_STATE(state->jdata, ORTE_JOB_STATE_FAILED_TO_START); } } /** * Terminate the orteds for a given job */ int plm_tm_terminate_orteds(void) { int rc; if (ORTE_SUCCESS != (rc = orte_plm_base_orted_exit(ORTE_DAEMON_EXIT_CMD))) { ORTE_ERROR_LOG(rc); } return rc; } static int plm_tm_signal_job(orte_jobid_t jobid, int32_t signal) { int rc; /* order them to pass this signal to their local procs */ if (ORTE_SUCCESS != (rc = orte_plm_base_orted_signal_local_procs(jobid, signal))) { ORTE_ERROR_LOG(rc); } return rc; } /* * Free stuff */ static int plm_tm_finalize(void) { int rc; /* cleanup any pending recvs */ if (ORTE_SUCCESS != (rc = orte_plm_base_comm_stop())) { ORTE_ERROR_LOG(rc); } if (connected) { tm_finalize(); connected = false; } return ORTE_SUCCESS; } static int plm_tm_connect(void) { int ret; struct tm_roots tm_root; int count; struct timespec tp = {0, 100}; /* try a couple times to connect - might get busy signals every now and then */ for (count = 0 ; count < 10; ++count) { ret = tm_init(NULL, &tm_root); if (TM_SUCCESS == ret) { return ORTE_SUCCESS; } /* provide a very short quiet period so we * don't hammer the cpu while we wait */ nanosleep(&tp, NULL); #ifdef HAVE_SCHED_H sched_yield(); #endif } return ORTE_ERR_RESOURCE_BUSY; }