openmpi/orte/orted/pmix/pmix_server_dyn.c

/*
 * Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2011 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) 2006-2013 Los Alamos National Security, LLC.
 *                         All rights reserved.
 * Copyright (c) 2009      Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2011      Oak Ridge National Labs.  All rights reserved.
 * Copyright (c) 2013-2015 Intel, Inc.  All rights reserved.
 * Copyright (c) 2014      Mellanox Technologies, Inc.
 *                         All rights reserved.
 * Copyright (c) 2014      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 *
 */

#include "orte_config.h"

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "opal/util/opal_getcwd.h"
#include "opal/util/os_path.h"
#include "opal/util/output.h"
#include "opal/util/path.h"
#include "opal/dss/dss.h"
#include "opal/mca/hwloc/hwloc.h"

#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/rmaps/base/base.h"
#include "orte/util/name_fns.h"
#include "orte/util/show_help.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/rml/rml.h"

#include "pmix_server_internal.h"

void pmix_server_launch_resp(int status, orte_process_name_t* sender,
                             opal_buffer_t *buffer,
                             orte_rml_tag_t tg, void *cbdata)
{
    pmix_server_req_t *req;
    int rc, room;
    int32_t ret, cnt;
    orte_jobid_t jobid;

    /* unpack the status */
    cnt = 1;
    if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &ret, &cnt, OPAL_INT32))) {
        ORTE_ERROR_LOG(rc);
        return;
    }

    /* unpack the jobid */
    cnt = 1;
    if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &jobid, &cnt, ORTE_JOBID))) {
        ORTE_ERROR_LOG(rc);
        return;
    }

    /* unpack our tracking room number */
    cnt = 1;
    if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &room, &cnt, OPAL_INT))) {
        ORTE_ERROR_LOG(rc);
        return;
    }

    /* retrieve the request */
    opal_hotel_checkout_and_return_occupant(&orte_pmix_server_globals.reqs, room, (void**)&req);
    if (NULL == req) {
        /* we are hosed */
        ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
        return;
    }

    /* execute the callback */
    if (NULL != req->spcbfunc) {
        req->spcbfunc(ret, jobid, req->cbdata);
    }
    /* cleanup */
    OBJ_RELEASE(req);
}

static void spawn(int sd, short args, void *cbdata)
{
    pmix_server_req_t *req = (pmix_server_req_t*)cbdata;
    int rc;
    opal_buffer_t *buf;
    orte_plm_cmd_flag_t command;

    /* add this request to our tracker hotel */
    if (OPAL_SUCCESS != (rc = opal_hotel_checkin(&orte_pmix_server_globals.reqs, req, &req->room_num))) {
        ORTE_ERROR_LOG(rc);
        goto callback;
    }

    /* include the request room number for quick retrieval */
    orte_set_attribute(&req->jdata->attributes, ORTE_JOB_ROOM_NUM,
                       ORTE_ATTR_GLOBAL, &req->room_num, OPAL_INT);

    /* construct a spawn message */
    buf = OBJ_NEW(opal_buffer_t);
    command = ORTE_PLM_LAUNCH_JOB_CMD;
    if (ORTE_SUCCESS != (rc = opal_dss.pack(buf, &command, 1, ORTE_PLM_CMD))) {
        ORTE_ERROR_LOG(rc);
        OBJ_RELEASE(buf);
        opal_hotel_checkout(&orte_pmix_server_globals.reqs, req->room_num);
        goto callback;
    }

    /* pack the jdata object */
    if (ORTE_SUCCESS != (rc = opal_dss.pack(buf, &req->jdata, 1, ORTE_JOB))) {
        ORTE_ERROR_LOG(rc);
        opal_hotel_checkout(&orte_pmix_server_globals.reqs, req->room_num);
        OBJ_RELEASE(buf);
        goto callback;

    }

    /* send it to the HNP for processing - might be myself! */
    if (ORTE_SUCCESS != (rc = orte_rml.send_buffer_nb(ORTE_PROC_MY_HNP, buf,
                                                      ORTE_RML_TAG_PLM,
                                                      orte_rml_send_callback, NULL))) {
        ORTE_ERROR_LOG(rc);
        opal_hotel_checkout(&orte_pmix_server_globals.reqs, req->room_num);
        OBJ_RELEASE(buf);
        goto callback;
    }
    return;

  callback:
    /* this section gets executed solely upon an error */
    if (NULL != req->mdxcbfunc) {
        req->mdxcbfunc(rc, NULL, 0, req->cbdata, NULL, NULL);
    }
    OBJ_RELEASE(req);
}

int pmix_server_spawn_fn(opal_process_name_t *requestor,
                         opal_list_t *job_info, opal_list_t *apps,
                         opal_pmix_spawn_cbfunc_t cbfunc, void *cbdata)
{
    orte_job_t *jdata;
    orte_app_context_t *app;
    opal_pmix_app_t *papp;
    opal_value_t *info;
    int rc;
    char cwd[OPAL_PATH_MAX];

    opal_output_verbose(2, orte_pmix_server_globals.output,
                        "%s spawn called from proc %s",
                        ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
                        ORTE_NAME_PRINT(requestor));

    /* create the job object */
    jdata = OBJ_NEW(orte_job_t);

    /* transfer the job info across */
    OPAL_LIST_FOREACH(info, job_info, opal_value_t) {
        if (0 == strcmp(info->key, OPAL_PMIX_PERSONALITY)) {
            jdata->personality = strdup(info->data.string);
        } else if (0 == strcmp(info->key, OPAL_PMIX_MAPPER)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            jdata->map->req_mapper = strdup(info->data.string);
        } else if (0 == strcmp(info->key, OPAL_PMIX_DISPLAY_MAP)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            jdata->map->display_map = true;
        } else if (0 == strcmp(info->key, OPAL_PMIX_PPR)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
                /* not allowed to provide multiple mapping policies */
                orte_show_help("help-orte-rmaps-base.txt", "redefining-policy",
                               true, "mapping", info->data.string,
                               orte_rmaps_base_print_mapping(orte_rmaps_base.mapping));
                return ORTE_ERR_BAD_PARAM;
            }
            ORTE_SET_MAPPING_DIRECTIVE(jdata->map->mapping, ORTE_MAPPING_PPR);
            jdata->map->ppr = strdup(info->data.string);
        } else if (0 == strcmp(info->key, OPAL_PMIX_MAPBY)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
                /* not allowed to provide multiple mapping policies */
                orte_show_help("help-orte-rmaps-base.txt", "redefining-policy",
                               true, "mapping", info->data.string,
                               orte_rmaps_base_print_mapping(orte_rmaps_base.mapping));
                return ORTE_ERR_BAD_PARAM;
            }
            rc = orte_rmaps_base_set_mapping_policy(&jdata->map->mapping,
                                                    NULL, info->data.string);
            if (ORTE_SUCCESS != rc) {
                return rc;
            }
        } else if (0 == strcmp(info->key, OPAL_PMIX_RANKBY)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            if (ORTE_RANKING_POLICY_IS_SET(jdata->map->ranking)) {
                /* not allowed to provide multiple ranking policies */
                orte_show_help("help-orte-rmaps-base.txt", "redefining-policy",
                               true, "ranking", info->data.string,
                               orte_rmaps_base_print_ranking(orte_rmaps_base.ranking));
                return ORTE_ERR_BAD_PARAM;
            }
            rc = orte_rmaps_base_set_ranking_policy(&jdata->map->ranking,
                                                    jdata->map->mapping,
                                                    info->data.string);
            if (ORTE_SUCCESS != rc) {
                return rc;
            }
        } else if (0 == strcmp(info->key, OPAL_PMIX_BINDTO)) {
            if (NULL == jdata->map) {
                jdata->map = OBJ_NEW(orte_job_map_t);
            }
            if (OPAL_BINDING_POLICY_IS_SET(jdata->map->binding)) {
                /* not allowed to provide multiple mapping policies */
                orte_show_help("help-opal-hwloc-base.txt", "redefining-policy", true,
                               info->data.string,
                               opal_hwloc_base_print_binding(opal_hwloc_binding_policy));
                return ORTE_ERR_BAD_PARAM;
            }
            rc = opal_hwloc_base_set_binding_policy(&jdata->map->binding,
                                                    info->data.string);
            if (ORTE_SUCCESS != rc) {
                return rc;
            }
        } else if (0 == strcmp(info->key, OPAL_PMIX_NON_PMI)) {
            orte_set_attribute(&jdata->attributes, ORTE_JOB_NON_ORTE_JOB,
                               ORTE_ATTR_GLOBAL, NULL, OPAL_BOOL);
        } else if (0 == strcmp(info->key, OPAL_PMIX_STDIN_TGT)) {
            if (0 == strcmp(info->data.string, "all")) {
                jdata->stdin_target = ORTE_VPID_WILDCARD;
            } else if (0 == strcmp(info->data.string, "none")) {
                jdata->stdin_target = ORTE_VPID_INVALID;
            } else {
                jdata->stdin_target = strtoul(info->data.string, NULL, 10);
            }
        } else {
            /* unrecognized key */
            orte_show_help("help-orted.txt", "bad-key",
                           true, "spawn", "job level", info->key);
        }
    }

    /* transfer the apps across */
    OPAL_LIST_FOREACH(papp, apps, opal_pmix_app_t) {
        app = OBJ_NEW(orte_app_context_t);
        app->idx = opal_pointer_array_add(jdata->apps, app);
        jdata->num_apps++;
        app->app = strdup(papp->cmd);
        app->argv = opal_argv_copy(papp->argv);
        app->env = opal_argv_copy(papp->env);
        app->num_procs = papp->maxprocs;
        OPAL_LIST_FOREACH(info, &papp->info, opal_value_t) {
            if (0 == strcmp(info->key, OPAL_PMIX_HOST)) {
                orte_set_attribute(&app->attributes, ORTE_APP_DASH_HOST,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else if (0 == strcmp(info->key, OPAL_PMIX_HOSTFILE)) {
                orte_set_attribute(&app->attributes, ORTE_APP_HOSTFILE,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else if (0 == strcmp(info->key, OPAL_PMIX_ADD_HOSTFILE)) {
                orte_set_attribute(&app->attributes, ORTE_APP_ADD_HOSTFILE,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else if (0 == strcmp(info->key, OPAL_PMIX_ADD_HOST)) {
                orte_set_attribute(&app->attributes, ORTE_APP_ADD_HOST,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else if (0 == strcmp(info->key, OPAL_PMIX_PREFIX)) {
                orte_set_attribute(&app->attributes, ORTE_APP_PREFIX_DIR,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else if (0 == strcmp(info->key, OPAL_PMIX_WDIR)) {
                /* if this is a relative path, convert it to an absolute path */
                if (opal_path_is_absolute(info->data.string)) {
                    app->cwd = strdup(info->data.string);
                } else {
                    /* get the cwd */
                    if (OPAL_SUCCESS != (rc = opal_getcwd(cwd, sizeof(cwd)))) {
                        orte_show_help("help-orted.txt", "cwd", true, "spawn", rc);
                        OBJ_RELEASE(jdata);
                        return rc;
                    }
                    /* construct the absolute path */
                    app->cwd = opal_os_path(false, cwd, info->data.string, NULL);
                }
            } else if (0 == strcmp(info->key, OPAL_PMIX_PRELOAD_BIN)) {
                orte_set_attribute(&app->attributes, ORTE_APP_PRELOAD_BIN,
                                   ORTE_ATTR_GLOBAL, NULL, OPAL_BOOL);
            } else if (0 == strcmp(info->key, OPAL_PMIX_PRELOAD_FILES)) {
                orte_set_attribute(&app->attributes, ORTE_APP_PRELOAD_FILES,
                                   ORTE_ATTR_GLOBAL, info->data.string, OPAL_STRING);
            } else {
                /* unrecognized key */
                orte_show_help("help-orted.txt", "bad-key",
                               true, "spawn", "application", info->key);
           }
        }
    }

    /* indicate that we are to notify the requestor when we hear back */
    orte_set_attribute(&jdata->attributes, ORTE_JOB_LAUNCH_PROXY, ORTE_ATTR_GLOBAL,
                       requestor, OPAL_NAME);

    /* setup a spawn tracker so we know who to call back when this is done
     * and thread-shift the entire thing so it can be safely added to
     * our tracking list */
    ORTE_SPN_REQ(jdata, spawn, cbfunc, cbdata);

    return OPAL_SUCCESS;
}

int pmix_server_connect_fn(opal_list_t *procs, opal_list_t *info,
                           opal_pmix_op_cbfunc_t cbfunc, void *cbdata)
{
    /* for now, just ack the call */
    if (NULL != cbfunc) {
        cbfunc(OPAL_SUCCESS, cbdata);
    }

    return OPAL_SUCCESS;
}

int pmix_server_disconnect_fn(opal_list_t *procs, opal_list_t *info,
                              opal_pmix_op_cbfunc_t cbfunc, void *cbdata)
{
    /* for now, just ack the call */
    if (NULL != cbfunc) {
        cbfunc(OPAL_SUCCESS, cbdata);
    }

    return OPAL_SUCCESS;
}