/*
* slurm_job_will_run - determine if a job would execute immediately if
* submitted now
* IN job_desc_msg - description of resource allocation request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
int slurm_job_will_run(job_desc_msg_t *req)
{
will_run_response_msg_t *will_run_resp = NULL;
char buf[64], local_hostname[64];
int rc;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *type = "processors";
char *cluster_name = NULL;
void *ptr = NULL;
if ((req->alloc_node == NULL) &&
(gethostname_short(local_hostname, sizeof(local_hostname)) == 0)) {
req->alloc_node = local_hostname;
}
if (working_cluster_rec)
cluster_name = working_cluster_rec->name;
else
cluster_name = slurmctld_conf.cluster_name;
if (!slurm_load_federation(&ptr) &&
cluster_in_federation(ptr, cluster_name))
rc = _fed_job_will_run(req, &will_run_resp, ptr);
else
rc = slurm_job_will_run2(req, &will_run_resp);
if ((rc == 0) && will_run_resp) {
if (cluster_flags & CLUSTER_FLAG_BG)
type = "cnodes";
slurm_make_time_str(&will_run_resp->start_time,
buf, sizeof(buf));
info("Job %u to start at %s using %u %s on %s",
will_run_resp->job_id, buf,
will_run_resp->proc_cnt, type,
will_run_resp->node_list);
if (will_run_resp->preemptee_job_id) {
ListIterator itr;
uint32_t *job_id_ptr;
char *job_list = NULL, *sep = "";
itr = list_iterator_create(will_run_resp->
preemptee_job_id);
while ((job_id_ptr = list_next(itr))) {
if (job_list)
sep = ",";
xstrfmtcat(job_list, "%s%u", sep, *job_id_ptr);
}
list_iterator_destroy(itr);
info(" Preempts: %s", job_list);
xfree(job_list);
}
slurm_free_will_run_response_msg(will_run_resp);
}
if (req->alloc_node == local_hostname)
req->alloc_node = NULL;
if (ptr)
slurm_destroy_federation_rec(ptr);
return rc;
}
/* Initialize slurmd configuration table.
* Everything is already NULL/zero filled when called */
static void
_init_conf(void)
{
char host[MAXHOSTNAMELEN];
log_options_t lopts = LOG_OPTS_INITIALIZER;
if (gethostname_short(host, MAXHOSTNAMELEN) < 0) {
error("Unable to get my hostname: %m");
exit(1);
}
conf->hostname = xstrdup(host);
conf->daemonize = 1;
conf->lfd = -1;
conf->log_opts = lopts;
conf->debug_level = LOG_LEVEL_INFO;
conf->pidfile = xstrdup(DEFAULT_SLURMD_PIDFILE);
conf->spooldir = xstrdup(DEFAULT_SPOOLDIR);
slurm_mutex_init(&conf->config_mutex);
conf->starting_steps = list_create(destroy_starting_step);
slurm_mutex_init(&conf->starting_steps_lock);
pthread_cond_init(&conf->starting_steps_cond, NULL);
conf->prolog_running_jobs = list_create(slurm_destroy_uint32_ptr);
slurm_mutex_init(&conf->prolog_running_lock);
pthread_cond_init(&conf->prolog_running_cond, NULL);
return;
}
static void
_print_config(void)
{
int days, hours, mins, secs;
char name[128];
gethostname_short(name, sizeof(name));
printf("NodeName=%s ", name);
get_cpuinfo(&conf->actual_cpus,
&conf->actual_boards,
&conf->actual_sockets,
&conf->actual_cores,
&conf->actual_threads,
&conf->block_map_size,
&conf->block_map, &conf->block_map_inv);
printf("CPUs=%u Boards=%u SocketsPerBoard=%u CoresPerSocket=%u "
"ThreadsPerCore=%u ",
conf->actual_cpus, conf->actual_boards, conf->actual_sockets,
conf->actual_cores, conf->actual_threads);
get_memory(&conf->real_memory_size);
get_tmp_disk(&conf->tmp_disk_space, "/tmp");
printf("RealMemory=%u TmpDisk=%u\n",
conf->real_memory_size, conf->tmp_disk_space);
get_up_time(&conf->up_time);
secs = conf->up_time % 60;
mins = (conf->up_time / 60) % 60;
hours = (conf->up_time / 3600) % 24;
days = (conf->up_time / 86400);
printf("UpTime=%u-%2.2u:%2.2u:%2.2u\n", days, hours, mins, secs);
}
/*
* slurm_submit_batch_job - issue RPC to submit a job for later execution
* NOTE: free the response using slurm_free_submit_response_response_msg
* IN job_desc_msg - description of batch job request
* OUT slurm_alloc_msg - response to request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
int
slurm_submit_batch_job (job_desc_msg_t *req,
submit_response_msg_t **resp)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
bool host_set = false;
char host[64];
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
/*
* set Node and session id for this request
*/
if (req->alloc_sid == NO_VAL)
req->alloc_sid = getsid(0);
if ( (req->alloc_node == NULL)
&& (gethostname_short(host, sizeof(host)) == 0) ) {
req->alloc_node = host;
host_set = true;
}
req_msg.msg_type = REQUEST_SUBMIT_BATCH_JOB ;
req_msg.data = req;
rc = slurm_send_recv_controller_msg(&req_msg, &resp_msg);
/*
* Clear this hostname if set internally to this function
* (memory is on the stack)
*/
if (host_set)
req->alloc_node = NULL;
if (rc == SLURM_SOCKET_ERROR)
return SLURM_ERROR;
switch (resp_msg.msg_type) {
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
if (rc)
slurm_seterrno_ret(rc);
*resp = NULL;
break;
case RESPONSE_SUBMIT_BATCH_JOB:
*resp = (submit_response_msg_t *) resp_msg.data;
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
}
return SLURM_PROTOCOL_SUCCESS;
}
extern int sbatch_set_first_avail_cluster(job_desc_msg_t *req)
{
//printf("cao: src/sbatch/multi_cluster.c: sbatch_set_first_avail_cluster(job_desc_msg_t *req)\n");
int rc = SLURM_SUCCESS;
ListIterator itr;
local_cluster_rec_t *local_cluster = NULL;
char buf[64];
bool host_set = false;
List ret_list = NULL;
/* return if we only have 1 or less clusters here */
if (!opt.clusters || !list_count(opt.clusters)) {
return rc;
} else if (list_count(opt.clusters) == 1) {
working_cluster_rec = list_peek(opt.clusters);
return rc;
}
if ((req->alloc_node == NULL) &&
(gethostname_short(buf, sizeof(buf)) == 0)) {
req->alloc_node = buf;
host_set = true;
}
ret_list = list_create(_destroy_local_cluster_rec);
itr = list_iterator_create(opt.clusters);
while ((working_cluster_rec = list_next(itr))) {
if ((local_cluster = _job_will_run(req)))
list_append(ret_list, local_cluster);
else
error("Problem with submit to cluster %s: %m",
working_cluster_rec->name);
}
list_iterator_destroy(itr);
if (host_set)
req->alloc_node = NULL;
if (!list_count(ret_list)) {
error("Can't run on any of the clusters given");
rc = SLURM_ERROR;
goto end_it;
}
/* sort the list so the first spot is on top */
local_cluster_name = slurm_get_cluster_name();
list_sort(ret_list, (ListCmpF)_sort_local_cluster);
xfree(local_cluster_name);
local_cluster = list_peek(ret_list);
/* set up the working cluster and be done */
working_cluster_rec = local_cluster->cluster_rec;
end_it:
list_destroy(ret_list);
return rc;
}
/*
* slurm_allocate_resources - allocate resources for a job request
* IN job_desc_msg - description of resource allocation request
* OUT slurm_alloc_msg - response to request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
* NOTE: free the response using slurm_free_resource_allocation_response_msg()
*/
int
slurm_allocate_resources (job_desc_msg_t *req,
resource_allocation_response_msg_t **resp)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
bool host_set = false;
char host[64];
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
/*
* set Node and session id for this request
*/
if (req->alloc_sid == NO_VAL)
req->alloc_sid = getsid(0);
if ( (req->alloc_node == NULL)
&& (gethostname_short(host, sizeof(host)) == 0) ) {
req->alloc_node = host;
host_set = true;
}
req_msg.msg_type = REQUEST_RESOURCE_ALLOCATION;
req_msg.data = req;
rc = slurm_send_recv_controller_msg(&req_msg, &resp_msg,
working_cluster_rec);
/*
* Clear this hostname if set internally to this function
* (memory is on the stack)
*/
if (host_set)
req->alloc_node = NULL;
if (rc == SLURM_SOCKET_ERROR)
return SLURM_SOCKET_ERROR;
switch (resp_msg.msg_type) {
case RESPONSE_SLURM_RC:
if (_handle_rc_msg(&resp_msg) < 0)
return SLURM_PROTOCOL_ERROR;
*resp = NULL;
break;
case RESPONSE_RESOURCE_ALLOCATION:
*resp = (resource_allocation_response_msg_t *) resp_msg.data;
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
}
return SLURM_PROTOCOL_SUCCESS;
}
/*
* get_mach_name - Return the name of this node
* Input: node_name - buffer for the node name, must be at least MAX_SLURM_NAME characters
* Output: node_name - filled in with node name
* return code - 0 if no error, otherwise errno
*/
extern int
get_mach_name(char *node_name)
{
int error_code;
error_code = gethostname_short(node_name, MAX_SLURM_NAME);
if (error_code != 0)
error ("get_mach_name: gethostname_short error %d", error_code);
return error_code;
}
/*
* slurm_job_will_run - determine if a job would execute immediately if
* submitted now
* IN job_desc_msg - description of resource allocation request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
int slurm_job_will_run (job_desc_msg_t *req)
{
will_run_response_msg_t *will_run_resp = NULL;
char buf[64];
bool host_set = false;
int rc;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *type = "processors";
if ((req->alloc_node == NULL) &&
(gethostname_short(buf, sizeof(buf)) == 0)) {
req->alloc_node = buf;
host_set = true;
}
rc = slurm_job_will_run2(req, &will_run_resp);
if ((rc == 0) && will_run_resp) {
if (cluster_flags & CLUSTER_FLAG_BG)
type = "cnodes";
slurm_make_time_str(&will_run_resp->start_time,
buf, sizeof(buf));
info("Job %u to start at %s using %u %s"
" on %s",
will_run_resp->job_id, buf,
will_run_resp->proc_cnt, type,
will_run_resp->node_list);
if (will_run_resp->preemptee_job_id) {
ListIterator itr;
uint32_t *job_id_ptr;
char *job_list = NULL, *sep = "";
itr = list_iterator_create(will_run_resp->
preemptee_job_id);
while ((job_id_ptr = list_next(itr))) {
if (job_list)
sep = ",";
xstrfmtcat(job_list, "%s%u", sep, *job_id_ptr);
}
list_iterator_destroy(itr);
info(" Preempts: %s", job_list);
xfree(job_list);
}
slurm_free_will_run_response_msg(will_run_resp);
}
if (host_set)
req->alloc_node = NULL;
return rc;
}
static char *
_guess_nodename()
{
char host[256];
char *nodename = NULL;
if (gethostname_short(host, 256) != 0)
return NULL;
nodename = slurm_conf_get_nodename(host);
if (nodename == NULL)
nodename = slurm_conf_get_aliased_nodename();
if (nodename == NULL) /* if no match, try localhost */
nodename = slurm_conf_get_nodename("localhost");
return nodename;
}
extern void create_daemon_popup(GtkAction *action, gpointer user_data)
{
GtkWidget *popup = gtk_dialog_new_with_buttons(
"SLURM Daemons running",
GTK_WINDOW(user_data),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CLOSE,
GTK_RESPONSE_OK,
NULL);
int update = 0;
slurm_ctl_conf_info_msg_t *conf;
char me[MAX_SLURM_NAME], *b, *c, *n;
int actld = 0, ctld = 0, d = 0;
GtkTreeStore *treestore =
_local_create_treestore_2cols(popup, 300, 100);
GtkTreeIter iter;
g_signal_connect(G_OBJECT(popup), "delete_event",
G_CALLBACK(_delete_popup), NULL);
g_signal_connect(G_OBJECT(popup), "response",
G_CALLBACK(_delete_popup), NULL);
slurm_conf_init(NULL);
conf = slurm_conf_lock();
gethostname_short(me, MAX_SLURM_NAME);
if ((b = conf->backup_controller)) {
if ((strcmp(b, me) == 0) ||
(strcasecmp(b, "localhost") == 0))
ctld = 1;
}
if ((c = conf->control_machine)) {
actld = 1;
if ((strcmp(c, me) == 0) ||
(strcasecmp(c, "localhost") == 0))
ctld = 1;
}
slurm_conf_unlock();
if ((n = slurm_conf_get_nodename(me))) {
d = 1;
xfree(n);
} else if ((n = slurm_conf_get_aliased_nodename())) {
d = 1;
xfree(n);
} else if ((n = slurm_conf_get_nodename("localhost"))) {
d = 1;
xfree(n);
}
if (actld && ctld)
add_display_treestore_line(update, treestore, &iter,
"Slurmctld", "1");
if (actld && d)
add_display_treestore_line(update, treestore, &iter,
"Slurmd", "1");
gtk_widget_show_all(popup);
return;
}
/*
* slurm_job_will_run - determine if a job would execute immediately if
* submitted now
* IN job_desc_msg - description of resource allocation request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
int slurm_job_will_run (job_desc_msg_t *req)
{
slurm_msg_t req_msg, resp_msg;
will_run_response_msg_t *will_run_resp;
char buf[64];
bool host_set = false;
int rc;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *type = "processors";
/* req.immediate = true; implicit */
if ((req->alloc_node == NULL) &&
(gethostname_short(buf, sizeof(buf)) == 0)) {
req->alloc_node = buf;
host_set = true;
}
slurm_msg_t_init(&req_msg);
req_msg.msg_type = REQUEST_JOB_WILL_RUN;
req_msg.data = req;
rc = slurm_send_recv_controller_msg(&req_msg, &resp_msg);
if (host_set)
req->alloc_node = NULL;
if (rc < 0)
return SLURM_SOCKET_ERROR;
switch (resp_msg.msg_type) {
case RESPONSE_SLURM_RC:
if (_handle_rc_msg(&resp_msg) < 0)
return SLURM_PROTOCOL_ERROR;
break;
case RESPONSE_JOB_WILL_RUN:
if(cluster_flags & CLUSTER_FLAG_BG)
type = "cnodes";
will_run_resp = (will_run_response_msg_t *) resp_msg.data;
slurm_make_time_str(&will_run_resp->start_time,
buf, sizeof(buf));
info("Job %u to start at %s using %u %s"
" on %s",
will_run_resp->job_id, buf,
will_run_resp->proc_cnt, type,
will_run_resp->node_list);
if (will_run_resp->preemptee_job_id) {
ListIterator itr;
uint32_t *job_id_ptr;
char *job_list = NULL, *sep = "";
itr = list_iterator_create(will_run_resp->
preemptee_job_id);
while ((job_id_ptr = list_next(itr))) {
if (job_list)
sep = ",";
xstrfmtcat(job_list, "%s%u", sep, *job_id_ptr);
}
info(" Preempts: %s", job_list);
xfree(job_list);
}
slurm_free_will_run_response_msg(will_run_resp);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
return SLURM_PROTOCOL_SUCCESS;
}
/*
* slurm_job_will_run - determine if a job would execute immediately if
* submitted now
* IN job_desc_msg - description of resource allocation request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
int slurm_job_will_run(job_desc_msg_t *req)
{
will_run_response_msg_t *will_run_resp = NULL;
char buf[64], local_hostname[64];
int rc;
char *cluster_name = NULL;
void *ptr = NULL;
if ((req->alloc_node == NULL) &&
(gethostname_short(local_hostname, sizeof(local_hostname)) == 0)) {
req->alloc_node = local_hostname;
}
if (working_cluster_rec)
cluster_name = working_cluster_rec->name;
else
cluster_name = slurmctld_conf.cluster_name;
if (!slurm_load_federation(&ptr) &&
cluster_in_federation(ptr, cluster_name))
rc = _fed_job_will_run(req, &will_run_resp, ptr);
else
rc = slurm_job_will_run2(req, &will_run_resp);
if (will_run_resp)
print_multi_line_string(
will_run_resp->job_submit_user_msg, -1);
if ((rc == 0) && will_run_resp) {
slurm_make_time_str(&will_run_resp->start_time,
buf, sizeof(buf));
if (will_run_resp->part_name) {
info("Job %u to start at %s using %u processors on nodes %s in partition %s",
will_run_resp->job_id, buf,
will_run_resp->proc_cnt,
will_run_resp->node_list,
will_run_resp->part_name);
} else {
/*
* Partition name not provided from slurmctld v17.11
* or earlier. Remove this in the future.
*/
info("Job %u to start at %s using %u processors on nodes %s",
will_run_resp->job_id, buf,
will_run_resp->proc_cnt,
will_run_resp->node_list);
}
if (will_run_resp->preemptee_job_id) {
ListIterator itr;
uint32_t *job_id_ptr;
char *job_list = NULL, *sep = "";
itr = list_iterator_create(will_run_resp->
preemptee_job_id);
while ((job_id_ptr = list_next(itr))) {
if (job_list)
sep = ",";
xstrfmtcat(job_list, "%s%u", sep, *job_id_ptr);
}
list_iterator_destroy(itr);
info(" Preempts: %s", job_list);
xfree(job_list);
}
slurm_free_will_run_response_msg(will_run_resp);
}
if (req->alloc_node == local_hostname)
req->alloc_node = NULL;
if (ptr)
slurm_destroy_federation_rec(ptr);
return rc;
}
/* main - slurmctld main function, start various threads and process RPCs */
int main(int argc, char *argv[])
{
pthread_attr_t thread_attr;
char node_name[128];
void *db_conn = NULL;
assoc_init_args_t assoc_init_arg;
_init_config();
log_init(argv[0], log_opts, LOG_DAEMON, NULL);
if (read_slurmdbd_conf())
exit(1);
_parse_commandline(argc, argv);
_update_logging(true);
_update_nice();
if (slurm_auth_init(NULL) != SLURM_SUCCESS) {
fatal("Unable to initialize %s authentication plugin",
slurmdbd_conf->auth_type);
}
if (slurm_acct_storage_init(NULL) != SLURM_SUCCESS) {
fatal("Unable to initialize %s accounting storage plugin",
slurmdbd_conf->storage_type);
}
_kill_old_slurmdbd();
if (foreground == 0)
_daemonize();
/*
* Need to create pidfile here in case we setuid() below
* (init_pidfile() exits if it can't initialize pid file).
* On Linux we also need to make this setuid job explicitly
* able to write a core dump.
* This also has to happen after daemon(), which closes all fd's,
* so we keep the write lock of the pidfile.
*/
_init_pidfile();
_become_slurm_user();
if (foreground == 0)
_set_work_dir();
log_config();
#ifdef PR_SET_DUMPABLE
if (prctl(PR_SET_DUMPABLE, 1) < 0)
debug ("Unable to set dumpable to 1");
#endif /* PR_SET_DUMPABLE */
if (xsignal_block(dbd_sigarray) < 0)
error("Unable to block signals");
/* Create attached thread for signal handling */
slurm_attr_init(&thread_attr);
if (pthread_create(&signal_handler_thread, &thread_attr,
_signal_handler, NULL))
fatal("pthread_create %m");
slurm_attr_destroy(&thread_attr);
registered_clusters = list_create(NULL);
slurm_attr_init(&thread_attr);
if (pthread_create(&commit_handler_thread, &thread_attr,
_commit_handler, NULL))
fatal("pthread_create %m");
slurm_attr_destroy(&thread_attr);
memset(&assoc_init_arg, 0, sizeof(assoc_init_args_t));
/* If we are tacking wckey we need to cache
wckeys, if we aren't only cache the users, qos */
assoc_init_arg.cache_level = ASSOC_MGR_CACHE_USER | ASSOC_MGR_CACHE_QOS;
if (slurmdbd_conf->track_wckey)
assoc_init_arg.cache_level |= ASSOC_MGR_CACHE_WCKEY;
db_conn = acct_storage_g_get_connection(NULL, 0, true, NULL);
if (assoc_mgr_init(db_conn, &assoc_init_arg, errno) == SLURM_ERROR) {
error("Problem getting cache of data");
acct_storage_g_close_connection(&db_conn);
goto end_it;
}
if (gethostname_short(node_name, sizeof(node_name)))
fatal("getnodename: %m");
while (1) {
if (slurmdbd_conf->dbd_backup &&
(!strcmp(node_name, slurmdbd_conf->dbd_backup) ||
!strcmp(slurmdbd_conf->dbd_backup, "localhost"))) {
info("slurmdbd running in background mode");
have_control = false;
backup = true;
/* make sure any locks are released */
acct_storage_g_commit(db_conn, 1);
run_dbd_backup();
if (!shutdown_time)
assoc_mgr_refresh_lists(db_conn);
} else if (slurmdbd_conf->dbd_host &&
(!strcmp(slurmdbd_conf->dbd_host, node_name) ||
!strcmp(slurmdbd_conf->dbd_host, "localhost"))) {
backup = false;
have_control = true;
} else {
fatal("This host not configured to run SlurmDBD "
"(%s != %s | (backup) %s)",
node_name, slurmdbd_conf->dbd_host,
slurmdbd_conf->dbd_backup);
}
if (!shutdown_time) {
/* Create attached thread to process incoming RPCs */
slurm_attr_init(&thread_attr);
if (pthread_create(&rpc_handler_thread, &thread_attr,
rpc_mgr, NULL))
fatal("pthread_create error %m");
slurm_attr_destroy(&thread_attr);
}
if (!shutdown_time) {
/* Create attached thread to do usage rollup */
slurm_attr_init(&thread_attr);
if (pthread_create(&rollup_handler_thread,
&thread_attr,
_rollup_handler, db_conn))
fatal("pthread_create error %m");
slurm_attr_destroy(&thread_attr);
}
/* Daemon is fully operational here */
if (!shutdown_time || primary_resumed) {
shutdown_time = 0;
info("slurmdbd version %s started",
SLURM_VERSION_STRING);
if (backup)
run_dbd_backup();
}
_request_registrations(db_conn);
acct_storage_g_commit(db_conn, 1);
/* this is only ran if not backup */
if (rollup_handler_thread)
pthread_join(rollup_handler_thread, NULL);
if (rpc_handler_thread)
pthread_join(rpc_handler_thread, NULL);
if (backup && primary_resumed) {
shutdown_time = 0;
info("Backup has given up control");
}
if (shutdown_time)
break;
}
/* Daemon termination handled here */
end_it:
if (signal_handler_thread)
pthread_join(signal_handler_thread, NULL);
if (commit_handler_thread)
pthread_join(commit_handler_thread, NULL);
acct_storage_g_commit(db_conn, 1);
acct_storage_g_close_connection(&db_conn);
if (slurmdbd_conf->pid_file &&
(unlink(slurmdbd_conf->pid_file) < 0)) {
verbose("Unable to remove pidfile '%s': %m",
slurmdbd_conf->pid_file);
}
FREE_NULL_LIST(registered_clusters);
assoc_mgr_fini(NULL);
slurm_acct_storage_fini();
slurm_auth_fini();
log_fini();
free_slurmdbd_conf();
exit(0);
}
/*
* slurm_load_slurmd_status - issue RPC to get the status of slurmd
* daemon on this machine
* IN slurmd_info_ptr - place to store slurmd status information
* RET 0 or -1 on error
* NOTE: free the response using slurm_free_slurmd_status()
*/
extern int
slurm_load_slurmd_status(slurmd_status_t **slurmd_status_ptr)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *this_addr;
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
if (cluster_flags & CLUSTER_FLAG_MULTSD) {
if ((this_addr = getenv("SLURMD_NODENAME"))) {
slurm_conf_get_addr(this_addr, &req_msg.address);
} else {
this_addr = "localhost";
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
}
} else {
char this_host[256];
/*
* Set request message address to slurmd on localhost
*/
gethostname_short(this_host, sizeof(this_host));
this_addr = slurm_conf_get_nodeaddr(this_host);
if (this_addr == NULL)
this_addr = xstrdup("localhost");
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
xfree(this_addr);
}
req_msg.msg_type = REQUEST_DAEMON_STATUS;
req_msg.data = NULL;
rc = slurm_send_recv_node_msg(&req_msg, &resp_msg, 0);
if ((rc != 0) || !resp_msg.auth_cred) {
error("slurm_slurmd_info: %m");
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
return SLURM_ERROR;
}
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
switch (resp_msg.msg_type) {
case RESPONSE_SLURMD_STATUS:
*slurmd_status_ptr = (slurmd_status_t *) resp_msg.data;
break;
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
slurm_free_return_code_msg(resp_msg.data);
if (rc)
slurm_seterrno_ret(rc);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
return SLURM_PROTOCOL_SUCCESS;
}
/*
* slurm_pack_job_will_run - determine if a heterogenous job would execute
* immediately if submitted now
* IN job_req_list - List of job_desc_msg_t structures describing the resource
* allocation request
* RET 0 on success, otherwise return -1 and set errno to indicate the error
*/
extern int slurm_pack_job_will_run(List job_req_list)
{
job_desc_msg_t *req;
will_run_response_msg_t *will_run_resp;
char buf[64], local_hostname[64] = "", *sep = "";
int rc = SLURM_SUCCESS;
char *type = "processors";
ListIterator iter, itr;
time_t first_start = (time_t) 0;
uint32_t first_job_id = 0, tot_proc_count = 0, *job_id_ptr;
hostset_t hs = NULL;
char *job_list = NULL;
if (!job_req_list || (list_count(job_req_list) == 0)) {
error("No job descriptors input");
return SLURM_ERROR;
}
(void) gethostname_short(local_hostname, sizeof(local_hostname));
iter = list_iterator_create(job_req_list);
while ((req = (job_desc_msg_t *) list_next(iter))) {
if ((req->alloc_node == NULL) && local_hostname[0])
req->alloc_node = local_hostname;
will_run_resp = NULL;
rc = slurm_job_will_run2(req, &will_run_resp);
if ((rc == SLURM_SUCCESS) && will_run_resp) {
if (first_job_id == 0)
first_job_id = will_run_resp->job_id;
if ((first_start == 0) ||
(first_start < will_run_resp->start_time))
first_start = will_run_resp->start_time;
tot_proc_count += will_run_resp->proc_cnt;
if (hs)
hostset_insert(hs, will_run_resp->node_list);
else
hs = hostset_create(will_run_resp->node_list);
if (will_run_resp->preemptee_job_id) {
itr = list_iterator_create(will_run_resp->
preemptee_job_id);
while ((job_id_ptr = list_next(itr))) {
if (job_list)
sep = ",";
xstrfmtcat(job_list, "%s%u", sep,
*job_id_ptr);
}
list_iterator_destroy(itr);
}
slurm_free_will_run_response_msg(will_run_resp);
}
if (req->alloc_node == local_hostname)
req->alloc_node = NULL;
if (rc != SLURM_SUCCESS)
break;
}
list_iterator_destroy(iter);
if (rc == SLURM_SUCCESS) {
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char node_list[1028] = "";
if (cluster_flags & CLUSTER_FLAG_BG)
type = "cnodes";
if (hs)
hostset_ranged_string(hs, sizeof(node_list), node_list);
slurm_make_time_str(&first_start, buf, sizeof(buf));
info("Job %u to start at %s using %u %s on %s",
first_job_id, buf, tot_proc_count, type, node_list);
if (job_list)
info(" Preempts: %s", job_list);
}
if (hs)
hostset_destroy(hs);
xfree(job_list);
return rc;
}
/*
* parse_command_line
*/
extern void
parse_command_line( int argc, char* argv[] )
{
char *env_val = NULL;
bool override_format_env = false;
int opt_char;
int option_index;
static struct option long_options[] = {
{"accounts", required_argument, 0, 'A'},
{"all", no_argument, 0, 'a'},
{"format", required_argument, 0, 'o'},
{"help", no_argument, 0, OPT_LONG_HELP},
{"hide", no_argument, 0, OPT_LONG_HIDE},
{"iterate", required_argument, 0, 'i'},
{"jobs", optional_argument, 0, 'j'},
{"long", no_argument, 0, 'l'},
{"cluster", required_argument, 0, 'M'},
{"clusters", required_argument, 0, 'M'},
{"node", required_argument, 0, 'n'},
{"nodes", required_argument, 0, 'n'},
{"noheader", no_argument, 0, 'h'},
{"partitions", required_argument, 0, 'p'},
{"qos", required_argument, 0, 'q'},
{"reservation",required_argument, 0, 'R'},
{"sort", required_argument, 0, 'S'},
{"start", no_argument, 0, OPT_LONG_START},
{"steps", optional_argument, 0, 's'},
{"states", required_argument, 0, 't'},
{"usage", no_argument, 0, OPT_LONG_USAGE},
{"user", required_argument, 0, 'u'},
{"users", required_argument, 0, 'u'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{NULL, 0, 0, 0}
};
if (getenv("SQUEUE_ALL"))
params.all_flag = true;
if ( ( env_val = getenv("SQUEUE_SORT") ) )
params.sort = xstrdup(env_val);
if ( ( env_val = getenv("SLURM_CLUSTERS") ) ) {
if (!(params.clusters = slurmdb_get_info_cluster(env_val))) {
error("'%s' can't be reached now, "
"or it is an invalid entry for "
"SLURM_CLUSTERS. Use 'sacctmgr --list "
"cluster' to see avaliable clusters.",
env_val);
exit(1);
}
working_cluster_rec = list_peek(params.clusters);
}
while ((opt_char = getopt_long(argc, argv,
"A:ahi:j::ln:M:o:p:q:R:s::S:t:u:U:vV",
long_options, &option_index)) != -1) {
switch (opt_char) {
case (int)'?':
fprintf(stderr, "Try \"squeue --help\" "
"for more information\n");
exit(1);
case (int) 'A':
case (int) 'U': /* backwards compatibility */
xfree(params.accounts);
params.accounts = xstrdup(optarg);
params.account_list =
_build_str_list( params.accounts );
break;
case (int)'a':
params.all_flag = true;
break;
case (int)'h':
params.no_header = true;
break;
case (int) 'i':
params.iterate= atoi(optarg);
if (params.iterate <= 0) {
error ("--iterate=%s\n", optarg);
exit(1);
}
break;
case (int) 'j':
if (optarg) {
params.jobs = xstrdup(optarg);
params.job_list =
_build_job_list(params.jobs);
}
params.job_flag = true;
break;
case (int) 'l':
params.long_list = true;
override_format_env = true;
break;
case (int) 'M':
if (params.clusters)
list_destroy(params.clusters);
if (!(params.clusters =
slurmdb_get_info_cluster(optarg))) {
error("'%s' can't be reached now, "
"or it is an invalid entry for "
"--cluster. Use 'sacctmgr --list "
"cluster' to see avaliable clusters.",
optarg);
exit(1);
}
working_cluster_rec = list_peek(params.clusters);
break;
case (int) 'n':
if (params.nodes)
hostset_destroy(params.nodes);
params.nodes = hostset_create(optarg);
if (params.nodes == NULL) {
error("'%s' invalid entry for --nodes",
optarg);
exit(1);
}
break;
case (int) 'o':
xfree(params.format);
params.format = xstrdup(optarg);
override_format_env = true;
break;
case (int) 'p':
xfree(params.partitions);
params.partitions = xstrdup(optarg);
params.part_list =
_build_str_list( params.partitions );
params.all_flag = true;
break;
case (int) 'q':
xfree(params.qoss);
params.qoss = xstrdup(optarg);
params.qos_list =
_build_str_list( params.qoss );
break;
case (int) 'R':
xfree(params.reservation);
params.reservation = xstrdup(optarg);
break;
case (int) 's':
if (optarg) {
params.steps = xstrdup(optarg);
params.step_list =
_build_step_list(params.steps);
}
params.step_flag = true;
override_format_env = true;
break;
case (int) 'S':
xfree(params.sort);
params.sort = xstrdup(optarg);
break;
case (int) 't':
xfree(params.states);
params.states = xstrdup(optarg);
params.state_list =
_build_state_list( params.states );
break;
case (int) 'u':
xfree(params.users);
params.users = xstrdup(optarg);
params.user_list =
_build_user_list( params.users );
break;
case (int) 'v':
params.verbose++;
break;
case (int) 'V':
print_slurm_version();
exit(0);
case OPT_LONG_HELP:
_help();
exit(0);
case OPT_LONG_HIDE:
params.all_flag = false;
break;
case OPT_LONG_START:
params.start_flag = true;
break;
case OPT_LONG_USAGE:
_usage();
exit(0);
}
}
if ( override_format_env == false ) {
if ( ( env_val = getenv("SQUEUE_FORMAT") ) )
params.format = xstrdup(env_val);
}
params.cluster_flags = slurmdb_setup_cluster_flags();
if (optind < argc) {
if (params.job_flag) {
params.jobs = xstrdup(argv[optind++]);
params.job_list = _build_job_list(params.jobs);
} else if (params.step_flag) {
params.steps = xstrdup(argv[optind++]);
params.step_list = _build_step_list(params.steps);
}
if (optind < argc) {
error("Unrecognized option: %s",argv[optind]);
_usage();
exit(1);
}
}
if ( params.job_flag && params.step_flag) {
if (params.job_list) {
verbose("Printing job steps with job filter");
params.job_flag = false;
} else {
error("Incompatible options --jobs and --steps");
exit(1);
}
}
if ( params.nodes ) {
char *name1 = NULL;
char *name2 = NULL;
hostset_t nodenames = hostset_create(NULL);
if (nodenames == NULL)
fatal("malloc failure");
while ( hostset_count(params.nodes) > 0 ) {
name1 = hostset_pop(params.nodes);
/* localhost = use current host name */
if ( strcasecmp("localhost", name1) == 0 ) {
name2 = xmalloc(128);
gethostname_short(name2, 128);
} else {
/* translate NodeHostName to NodeName */
name2 = slurm_conf_get_nodename(name1);
/* use NodeName if translation failed */
if ( name2 == NULL )
name2 = xstrdup(name1);
}
hostset_insert(nodenames, name2);
free(name1);
xfree(name2);
}
/* Replace params.nodename with the new one */
hostset_destroy(params.nodes);
params.nodes = nodenames;
}
if ( ( params.accounts == NULL ) &&
( env_val = getenv("SQUEUE_ACCOUNT") ) ) {
params.accounts = xstrdup(env_val);
params.account_list = _build_str_list( params.accounts );
}
if ( ( params.partitions == NULL ) &&
( env_val = getenv("SQUEUE_PARTITION") ) ) {
params.partitions = xstrdup(env_val);
params.part_list = _build_str_list( params.partitions );
params.all_flag = true;
}
if ( ( params.qoss == NULL ) &&
( env_val = getenv("SQUEUE_QOS") ) ) {
params.qoss = xstrdup(env_val);
params.qos_list = _build_str_list( params.qoss );
}
if ( ( params.states == NULL ) &&
( env_val = getenv("SQUEUE_STATES") ) ) {
params.states = xstrdup(env_val);
params.state_list = _build_state_list( params.states );
}
if ( ( params.users == NULL ) &&
( env_val = getenv("SQUEUE_USERS") ) ) {
params.users = xstrdup(env_val);
params.user_list = _build_user_list( params.users );
}
if ( params.start_flag && !params.step_flag ) {
/* Set more defaults */
if (params.format == NULL)
params.format = xstrdup("%.7i %.9P %.8j %.8u %.2t %.19S %.6D %R");
if (params.sort == NULL)
params.sort = xstrdup("S");
if (params.states == NULL) {
params.states = xstrdup("PD");
params.state_list = _build_state_list( params.states );
}
}
params.max_cpus = _max_cpus_per_node();
if ( params.verbose )
_print_options();
}
/* Wait for barrier and get full PMI Keyval space data */
int slurm_get_kvs_comm_set(struct kvs_comm_set **kvs_set_ptr,
int pmi_rank, int pmi_size)
{
int rc, srun_fd, retries = 0, timeout = 0;
slurm_msg_t msg_send, msg_rcv;
slurm_addr_t slurm_addr, srun_reply_addr;
char hostname[64];
uint16_t port;
kvs_get_msg_t data;
char *env_pmi_ifhn;
if (kvs_set_ptr == NULL)
return EINVAL;
*kvs_set_ptr = NULL; /* initialization */
if ((rc = _get_addr()) != SLURM_SUCCESS) {
error("_get_addr: %m");
return rc;
}
_set_pmi_time();
if (pmi_fd < 0) {
if ((pmi_fd = slurm_init_msg_engine_port(0)) < 0) {
error("slurm_init_msg_engine_port: %m");
return SLURM_ERROR;
}
fd_set_blocking(pmi_fd);
}
if (slurm_get_stream_addr(pmi_fd, &slurm_addr) < 0) {
error("slurm_get_stream_addr: %m");
return SLURM_ERROR;
}
/* hostname is not set here, so slurm_get_addr fails
slurm_get_addr(&slurm_addr, &port, hostname, sizeof(hostname)); */
port = ntohs(slurm_addr.sin_port);
if ((env_pmi_ifhn = getenv("SLURM_PMI_RESP_IFHN"))) {
strncpy(hostname, env_pmi_ifhn, sizeof(hostname));
hostname[sizeof(hostname)-1] = 0;
} else
gethostname_short(hostname, sizeof(hostname));
data.task_id = pmi_rank;
data.size = pmi_size;
data.port = port;
data.hostname = hostname;
slurm_msg_t_init(&msg_send);
slurm_msg_t_init(&msg_rcv);
msg_send.address = srun_addr;
msg_send.msg_type = PMI_KVS_GET_REQ;
msg_send.data = &data;
/* Send the RPC to the local srun communcation manager.
* Since the srun can be sent thousands of messages at
* the same time and refuse some connections, retry as
* needed. Wait until all key-pairs have been sent by
* all tasks then spread out messages by task's rank.
* Also increase the message timeout if many tasks
* since the srun command can get very overloaded (the
* default timeout is 10 secs).
*/
_delay_rpc(pmi_rank, pmi_size);
if (pmi_size > 4000) /* 240 secs */
timeout = slurm_get_msg_timeout() * 24000;
else if (pmi_size > 1000) /* 120 secs */
timeout = slurm_get_msg_timeout() * 12000;
else if (pmi_size > 100) /* 60 secs */
timeout = slurm_get_msg_timeout() * 6000;
else if (pmi_size > 10) /* 20 secs */
timeout = slurm_get_msg_timeout() * 2000;
while (slurm_send_recv_rc_msg_only_one(&msg_send, &rc, timeout) < 0) {
if (retries++ > MAX_RETRIES) {
error("slurm_get_kvs_comm_set: %m");
return SLURM_ERROR;
} else
debug("get kvs retry %d", retries);
_delay_rpc(pmi_rank, pmi_size);
}
if (rc != SLURM_SUCCESS) {
error("slurm_get_kvs_comm_set error_code=%d", rc);
return rc;
}
/* get the message after all tasks reach the barrier */
srun_fd = slurm_accept_msg_conn(pmi_fd, &srun_reply_addr);
if (srun_fd < 0) {
error("slurm_accept_msg_conn: %m");
return errno;
}
while ((rc = slurm_receive_msg(srun_fd, &msg_rcv, timeout)) != 0) {
if (errno == EINTR)
continue;
error("slurm_receive_msg: %m");
slurm_close(srun_fd);
return errno;
}
if (msg_rcv.auth_cred)
(void)g_slurm_auth_destroy(msg_rcv.auth_cred);
if (msg_rcv.msg_type != PMI_KVS_GET_RESP) {
error("slurm_get_kvs_comm_set msg_type=%d", msg_rcv.msg_type);
slurm_close(srun_fd);
return SLURM_UNEXPECTED_MSG_ERROR;
}
if (slurm_send_rc_msg(&msg_rcv, SLURM_SUCCESS) < 0)
error("slurm_send_rc_msg: %m");
slurm_close(srun_fd);
*kvs_set_ptr = msg_rcv.data;
rc = _forward_comm_set(*kvs_set_ptr);
return rc;
}
/*
* slurm_get_node_energy_n - issue RPC to get the energy data of all
* configured sensors on the target machine
* IN host - name of node to query, NULL if localhost
* IN delta - Use cache if data is newer than this in seconds
* OUT sensors_cnt - number of sensors
* OUT energy - array of acct_gather_energy_t structures on success or
* NULL other wise
* RET 0 on success or a slurm error code
* NOTE: free the response using xfree
*/
extern int slurm_get_node_energy(char *host, uint16_t delta,
uint16_t *sensor_cnt,
acct_gather_energy_t **energy)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
acct_gather_energy_req_msg_t req;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *this_addr;
xassert(sensor_cnt);
xassert(energy);
*sensor_cnt = 0;
*energy = NULL;
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
if (host)
slurm_conf_get_addr(host, &req_msg.address);
else if (cluster_flags & CLUSTER_FLAG_MULTSD) {
if ((this_addr = getenv("SLURMD_NODENAME"))) {
slurm_conf_get_addr(this_addr, &req_msg.address);
} else {
this_addr = "localhost";
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
}
} else {
char this_host[256];
/*
* Set request message address to slurmd on localhost
*/
gethostname_short(this_host, sizeof(this_host));
this_addr = slurm_conf_get_nodeaddr(this_host);
if (this_addr == NULL)
this_addr = xstrdup("localhost");
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
xfree(this_addr);
}
req.delta = delta;
req_msg.msg_type = REQUEST_ACCT_GATHER_ENERGY;
req_msg.data = &req;
rc = slurm_send_recv_node_msg(&req_msg, &resp_msg, 0);
if (rc != 0 || !resp_msg.auth_cred) {
error("slurm_get_node_energy: %m");
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
return SLURM_ERROR;
}
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
switch (resp_msg.msg_type) {
case RESPONSE_ACCT_GATHER_ENERGY:
*sensor_cnt = ((acct_gather_node_resp_msg_t *)
resp_msg.data)->sensor_cnt;
*energy = ((acct_gather_node_resp_msg_t *)
resp_msg.data)->energy;
((acct_gather_node_resp_msg_t *) resp_msg.data)->energy = NULL;
slurm_free_acct_gather_node_resp_msg(resp_msg.data);
break;
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
slurm_free_return_code_msg(resp_msg.data);
if (rc)
slurm_seterrno_ret(rc);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
return SLURM_PROTOCOL_SUCCESS;
}