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/*****************************************************************************\
* test7.17.prog.c - standalone program to test GRES APIs
*****************************************************************************
* Copyright (C) 2014 SchedMD LLC
* Written by Morris Jette
*
* This file is part of Slurm, a resource management program.
* For details, see <https://slurm.schedmd.com/>.
* Please also read the included file: DISCLAIMER.
*
* Slurm 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 2 of the License, or (at your option)
* any later version.
*
* In addition, as a special exception, the copyright holders give permission
* to link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two. You must obey the GNU
* General Public License in all respects for all of the code used other than
* OpenSSL. If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not obligated to do
* so. If you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files in
* the program, then also delete it here.
*
* Slurm 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 Slurm; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\*****************************************************************************/
#include <grp.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "slurm/slurm.h"
#include "slurm/slurm_errno.h"
#include "src/common/gres.h"
#include "src/common/log.h"
#include "src/common/pack.h"
#include "src/common/read_config.h"
#include "src/common/strlcpy.h"
#include "src/common/xstring.h"
/*
* main - slurmctld main function, start various threads and process RPCs
* test7.17.prog <TRES_PER_NODE> <CONFIG_DIR_HEAD> <CONFIG_SUB_DIR> <CPU_COUNT>
*
*/
int main(int argc, char *argv[])
{
log_options_t opts = LOG_OPTS_STDERR_ONLY;
int rc;
uint32_t cpu_count, cpu_alloc, job_id = 12345;
char *node_name, *reason_down = NULL;
char *orig_config, *new_config = NULL, *tres_per_node = NULL;
buf_t *buffer;
List job_gres_list = NULL, node_gres_list = NULL;
bitstr_t *cpu_bitmap;
char config_dir[10000], test[1000];
char slurm_conf[1000];
uint32_t num_tasks = 1;
uint32_t min_nodes = 1;
uint32_t max_nodes = 1;
uint16_t ntasks_per_node = NO_VAL16;
uint16_t ntasks_per_socket = NO_VAL16;
uint16_t sockets_per_node = NO_VAL16;
uint16_t cpus_per_task = NO_VAL16;
uint16_t ntasks_per_tres = NO_VAL16;
int core_count, sock_count;
/* Setup slurm.conf and gres.conf test paths */
strlcpy(config_dir, argv[2], sizeof(config_dir));
strlcpy(config_dir, strcat(config_dir, "/test7.17_configs"),
sizeof(config_dir));
strlcpy(test, strcat(config_dir, argv[3]), sizeof(config_dir));
strlcpy(slurm_conf, strcat(test, "/slurm.conf"), sizeof(slurm_conf));
/* Enable detailed logging for now */
opts.stderr_level = LOG_LEVEL_DEBUG;
log_init(argv[0], opts, SYSLOG_FACILITY_USER, NULL);
/*
* Logic normally executed by slurmd daemon
*/
setenv("SLURM_CONF", slurm_conf, 1);
slurm_init(NULL);
rc = gres_init();
if (rc)
fatal("failure: gres_init: %s", slurm_strerror(rc));
/*
* Logic normally executed by slurmctld daemon
*/
orig_config = "gpu:8";
rc = gres_init_node_config(orig_config, &node_gres_list);
if (rc)
fatal("failure: gres_init_node_config: %s",
slurm_strerror(rc));
cpu_count = strtol(argv[4], NULL, 10);
node_name = "test_node";
rc = gres_g_node_config_load(cpu_count, node_name, node_gres_list,
NULL, NULL);
if (rc)
fatal("failure: gres_node_config_load: %s",
slurm_strerror(rc));
buffer = init_buf(1024);
rc = gres_node_config_pack(buffer);
if (rc)
fatal("failure: gres_node_config_pack: %s",
slurm_strerror(rc));
set_buf_offset(buffer, 0);
rc = gres_node_config_unpack(buffer, node_name);
if (rc != SLURM_SUCCESS) {
slurm_perror("failure: gres_node_config_unpack");
exit(1);
}
core_count = cpu_count;
sock_count = 1;
rc = gres_node_config_validate(node_name, orig_config,
&new_config, &node_gres_list,
cpu_count, core_count, sock_count,
0, &reason_down);
if (rc)
fatal("failure: gres_node_config_validate: %s",
slurm_strerror(rc));
if (argc > 2)
tres_per_node = xstrdup(argv[1]);
rc = gres_job_state_validate(NULL, /* cpus_per_tres */
NULL, /* tres_freq */
NULL, /* tres_per_job */
tres_per_node,
NULL, /* tres_per_socket */
NULL, /* tres_per_task */
NULL, /* mem_per_tres */
&num_tasks,
&min_nodes,
&max_nodes,
&ntasks_per_node,
&ntasks_per_socket,
&sockets_per_node,
&cpus_per_task,
&ntasks_per_tres,
&job_gres_list);
if (rc)
fatal("failure: gres_job_state_validate: %s",
slurm_strerror(rc));
gres_node_state_log(node_gres_list, node_name);
gres_job_state_log(job_gres_list, job_id);
cpu_bitmap = bit_alloc(cpu_count);
bit_nset(cpu_bitmap, 0, cpu_count - 1);
cpu_alloc = gres_job_test(job_gres_list, node_gres_list, true,
cpu_bitmap, 0, cpu_count - 1,
job_id, node_name, false);
if (cpu_alloc == NO_VAL)
printf("cpu_alloc=ALL\n");
else
printf("cpu_alloc=%u\n", cpu_alloc);
rc = gres_fini();
if (rc != SLURM_SUCCESS)
fatal("failure: gres_fini: %s", slurm_strerror(rc));
printf("Test %s ran to completion\n\n", argv[3]);
return rc;
}
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