openmpi/orte/mca/schizo/moab/schizo_moab.c

111 lines
2.8 KiB
C

/*
* Copyright (c) 2016-2017 Intel, Inc. All rights reserved.
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include "orte_config.h"
#include "orte/types.h"
#include "opal/types.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <ctype.h>
#include "opal/util/argv.h"
#include "opal/util/basename.h"
#include "opal/util/opal_environ.h"
#include "orte/runtime/orte_globals.h"
#include "orte/util/name_fns.h"
#include "orte/mca/schizo/base/base.h"
#include "schizo_moab.h"
static orte_schizo_launch_environ_t check_launch_environment(void);
static void finalize(void);
static long get_rem_time(void);
orte_schizo_base_module_t orte_schizo_moab_module = {
.check_launch_environment = check_launch_environment,
.get_remaining_time = get_rem_time,
.finalize = finalize
};
static char **pushed_envs = NULL;
static char **pushed_vals = NULL;
static orte_schizo_launch_environ_t myenv;
static bool myenvdefined = false;
static orte_schizo_launch_environ_t check_launch_environment(void)
{
int i;
if (myenvdefined) {
return myenv;
}
myenvdefined = true;
/* we were only selected because MOAB was detected
* and we are an app, so no need to further check
* that here. Instead, see if we were direct launched
* vs launched via mpirun */
if (NULL != orte_process_info.my_daemon_uri) {
/* nope */
myenv = ORTE_SCHIZO_NATIVE_LAUNCHED;
opal_argv_append_nosize(&pushed_envs, OPAL_MCA_PREFIX"ess");
opal_argv_append_nosize(&pushed_vals, "pmi");
goto setup;
}
/* see if we are in a MOAB allocation */
if (NULL == getenv("PBS_NODEFILE")) {
/* nope */
myenv = ORTE_SCHIZO_UNDETERMINED;
return myenv;
}
/* we don't support direct launch by Moab, so we must
* be a singleton */
opal_argv_append_nosize(&pushed_envs, OPAL_MCA_PREFIX"ess");
opal_argv_append_nosize(&pushed_vals, "singleton");
myenv = ORTE_SCHIZO_MANAGED_SINGLETON;
setup:
opal_output_verbose(1, orte_schizo_base_framework.framework_output,
"schizo:moab DECLARED AS %s", orte_schizo_base_print_env(myenv));
if (NULL != pushed_envs) {
for (i=0; NULL != pushed_envs[i]; i++) {
opal_setenv(pushed_envs[i], pushed_vals[i], true, &environ);
}
}
return myenv;
}
static long get_rem_time(void)
{
long time;
MCCJobGetRemainingTime(NULL, NULL, &time, NULL);
return time;
}
static void finalize(void)
{
int i;
if (NULL != pushed_envs) {
for (i=0; NULL != pushed_envs[i]; i++) {
opal_unsetenv(pushed_envs[i], &environ);
}
opal_argv_free(pushed_envs);
opal_argv_free(pushed_vals);
}
}