ADM_set_io_resources.c

/******************************************************************************
 * Copyright 2021, Barcelona Supercomputing Center (BSC), Spain
 *
 * This software was partially supported by the EuroHPC-funded project ADMIRE
 *   (Project ID: 956748, https://www.admire-eurohpc.eu).
 *
 * This file is part of scord.
 *
 * scord is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * scord is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with scord.  If not, see <https://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *****************************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <admire.h>
#include <assert.h>
#include "common.h"

#define NJOB_NODES   50
#define NADHOC_NODES 25
#define NINPUTS      10
#define NOUTPUTS     5

int
main(int argc, char* argv[]) {

    if(argc != 2) {
        fprintf(stderr, "ERROR: no location provided\n");
        fprintf(stderr, "Usage: ADM_set_io_resources <SERVER_ADDRESS>\n");
        exit(EXIT_FAILURE);
    }

    int exit_status = EXIT_SUCCESS;
    ADM_server_t server = ADM_server_create("tcp", argv[1]);

    ADM_job_t job = NULL;
    ADM_node_t* job_nodes = prepare_nodes(NJOB_NODES);
    assert(job_nodes);
    ADM_node_t* adhoc_nodes = prepare_nodes(NADHOC_NODES);
    assert(adhoc_nodes);
    ADM_dataset_t* inputs = prepare_datasets("input-dataset-%d", NINPUTS);
    assert(inputs);
    ADM_dataset_t* outputs = prepare_datasets("output-dataset-%d", NOUTPUTS);
    assert(outputs);

    ADM_adhoc_resources_t adhoc_resources =
            ADM_adhoc_resources_create(adhoc_nodes, NADHOC_NODES);
    assert(adhoc_resources);

    ADM_adhoc_context_t ctx = ADM_adhoc_context_create(
            ADM_ADHOC_MODE_SEPARATE_NEW, ADM_ADHOC_ACCESS_RDWR, adhoc_resources,
            100, false);
    assert(ctx);

    const char* name = "adhoc_storage_42";

    ADM_adhoc_storage_t adhoc_storage;
    ADM_return_t ret = ADM_register_adhoc_storage(
            server, name, ADM_ADHOC_STORAGE_GEKKOFS, ctx, &adhoc_storage);

    if(ret != ADM_SUCCESS) {
        fprintf(stderr,
                "ADM_register_adhoc_storage() remote procedure not completed "
                "successfully: %s\n",
                ADM_strerror(ret));
        exit_status = EXIT_FAILURE;
        goto cleanup;
    }

    ADM_job_resources_t job_resources =
            ADM_job_resources_create(job_nodes, NJOB_NODES);
    assert(job_resources);

    ADM_job_requirements_t reqs = ADM_job_requirements_create(
            inputs, NINPUTS, outputs, NOUTPUTS, adhoc_storage);
    assert(reqs);

    uint64_t slurm_job_id = 42;
    ret = ADM_register_job(server, job_resources, reqs, slurm_job_id, &job);

    if(ret != ADM_SUCCESS) {
        fprintf(stderr,
                "ADM_register_job() remote procedure not completed "
                "successfully: %s\n",
                ADM_strerror(ret));
        exit_status = EXIT_FAILURE;
        goto cleanup;
    }

    ADM_adhoc_storage_t tier = NULL;
    ADM_adhoc_resources_t resources = NULL;
    ret = ADM_set_io_resources(server, job, tier, resources);

    if(ret != ADM_SUCCESS) {
        fprintf(stderr,
                "ADM_set_io_resources() remote procedure not completed "
                "successfully: %s\n",
                ADM_strerror(ret));
        exit_status = EXIT_FAILURE;
        goto cleanup;
    }

    fprintf(stdout, "ADM_set_io_resources() remote procedure completed "
                    "successfully\n");

cleanup:
    ADM_remove_job(server, job);
    ADM_server_destroy(server);
    exit(exit_status);
}