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/*****************************************************************************\
* Test gres.conf and system GPU normalization and merging logic.
*****************************************************************************
* Copyright (C) 2018 SchedMD LLC
* Written by Michael Hinton
*
* 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 <sys/stat.h>
#include "src/common/gres.h"
#include "src/common/read_config.h"
#include "src/common/select.h"
#include "src/common/xstring.h"
/*
* test39.18.prog <etc_dir> <nodename> <conf_gres> [<debug_level>]
*
* etc_dir The directory containing slurm.conf, gres.conf, and
* fake_gpus.conf.
* nodename The name of the node.
* conf_gres A string indicating the GRES ostensibly parsed from a
* slurm.conf for the node. E.g., `gpu:4`.
* debug_level (optional) A number representing the log_level_t the program
* should use. If unspecified, defaults to LOG_LEVEL_INFO.
* LOG_LEVEL_INFO is the lowest log level allowed.
* Note that debug, debug2, and debug3 may produce too much output
* and cause expect to fail to parse things properly. This will
* show up as a test failure. Only use debug+ when debugging and
* developing tests, and NOT when running the tests in production.
*
* Note that slurm.conf only needs to specify the following fields:
* ControlMachine=test_machine
* ClusterName=test_cluster
* GresTypes=gpu,mps,nic,mic,tmpdisk
*
* The actual GRES for the node is specified in conf_gres, not slurm.conf. This
* makes it so we don't need to re-create the slurm.conf each time we run this
* test runner program.
*
* However, gres.conf and fake_gpus.conf do need to be re-created for each test.
*/
int main(int argc, char *argv[])
{
log_options_t opts = LOG_OPTS_STDERR_ONLY;
int rc;
char *etc_dir = NULL;
char *node_name = NULL;
char *slurm_conf_gres_str = NULL;
char *slurm_conf = NULL;
char *gres_conf = NULL;
char *fake_gpus_conf = NULL;
struct stat stat_buf;
List gres_list = NULL;
log_level_t debug_level = LOG_LEVEL_INFO;
if (argc < 4) {
printf("FAILURE: Not enough arguments!\n");
exit(1);
}
if (argc > 5) {
printf("FAILURE: Too many arguments!\n");
exit(1);
}
etc_dir = argv[1];
node_name = argv[2];
slurm_conf_gres_str = argv[3];
if (argc == 5)
debug_level = atoi(argv[4]);
if (debug_level < LOG_LEVEL_INFO) {
printf("FAILURE: LOG_LEVEL_INFO is the lowest log level allowed!\n");
exit(1);
}
xstrfmtcat(slurm_conf, "%s/%s", etc_dir, "slurm.conf");
xstrfmtcat(gres_conf, "%s/%s", etc_dir, "gres.conf");
xstrfmtcat(fake_gpus_conf, "%s/%s", etc_dir, "fake_gpus.conf");
if (stat(slurm_conf, &stat_buf) != 0) {
printf("FAILURE: Could not find slurm_conf file at %s\n",
slurm_conf);
exit(1);
}
if (stat(gres_conf, &stat_buf) != 0) {
printf("FAILURE: Could not find gres_conf file at %s\n",
gres_conf);
exit(1);
}
if (stat(fake_gpus_conf, &stat_buf) != 0) {
printf("FAILURE: Could not find fake_gpus_conf file at %s\n",
fake_gpus_conf);
exit(1);
}
printf("slurm_conf: %s\n", slurm_conf);
printf("gres_conf: %s\n", gres_conf);
printf("fake_gpus_conf: %s\n", fake_gpus_conf);
opts.stderr_level = debug_level;
log_init(argv[0], opts, SYSLOG_FACILITY_USER, NULL);
// Override where Slurm looks for conf files
setenv("SLURM_CONF", slurm_conf, 1);
slurm_init(NULL);
// Initialize GRES info (from slurm.conf)
rc = gres_init_node_config(slurm_conf_gres_str, &gres_list);
if (rc != SLURM_SUCCESS) {
slurm_perror("FAILURE: gres_init_node_config");
exit(1);
}
rc = gres_g_node_config_load(4, node_name, gres_list, NULL, NULL);
FREE_NULL_LIST(gres_list);
if (rc != SLURM_SUCCESS) {
slurm_perror("FAILURE: gres_node_config_load");
exit(1);
}
/*
* You'll have to reconfigure Slurm with --enable-memory-leak-debug to eliminate
* all "possibly lost" blocks and to see the full call stack of valgrind memory
* errors inside plugins. See plugin_unload() in src/common/plugin.c
*/
#ifdef USING_VALGRIND
// Clean up for valgrind
slurm_conf_destroy();
gres_fini();
select_g_fini();
log_fini();
xfree(slurm_conf);
xfree(gres_conf);
xfree(fake_gpus_conf);
#endif
printf("Test ran to completion\n");
exit(0);
}
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