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third-party-mirror / SchedMD / slurm / 687be2537e16ce73244b812cbfa76458c0f1569e / . / src / common / node_conf.c
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/*****************************************************************************\
* node_conf.c - partially manage the node records of slurm
* (see src/slurmctld/node_mgr.c for the set of functionalities
* related to slurmctld usage of nodes)
* Note: there is a global node table (node_record_table_ptr), its
* hash table (node_hash_table), time stamp (last_node_update) and
* configuration list (config_list)
*****************************************************************************
* Copyright (C) 2002-2007 The Regents of the University of California.
* Copyright (C) 2008-2010 Lawrence Livermore National Security.
* Copyright (C) SchedMD LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Morris Jette <jette1@llnl.gov> et. al.
* CODE-OCEC-09-009. All rights reserved.
*
* 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 "config.h"
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include "src/common/assoc_mgr.h"
#include "src/common/hostlist.h"
#include "src/common/macros.h"
#include "src/common/node_features.h"
#include "src/common/pack.h"
#include "src/common/parse_time.h"
#include "src/common/read_config.h"
#include "src/common/xassert.h"
#include "src/common/xmalloc.h"
#include "src/common/xstring.h"
#include "src/interfaces/accounting_storage.h"
#include "src/interfaces/acct_gather_energy.h"
#include "src/interfaces/gres.h"
#include "src/interfaces/select.h"
#include "src/interfaces/topology.h"
#define _DEBUG 0
strong_alias(init_node_conf, slurm_init_node_conf);
strong_alias(build_all_nodeline_info, slurm_build_all_nodeline_info);
strong_alias(rehash_node, slurm_rehash_node);
strong_alias(hostlist2bitmap, slurm_hostlist2bitmap);
strong_alias(bitmap2node_name, slurm_bitmap2node_name);
strong_alias(node_name2bitmap, slurm_node_name2bitmap);
strong_alias(find_node_record, slurm_find_node_record);
/* Global variables */
list_t *config_list = NULL; /* list of config_record entries */
time_t last_node_update = (time_t) 0; /* time of last update */
node_record_t **node_record_table_ptr = NULL; /* node records */
xhash_t* node_hash_table = NULL;
int node_record_table_size = 0; /* size of node_record_table_ptr */
int node_record_count = 0; /* number of node slots in
* node_record_table_ptr */
int active_node_record_count = 0; /* non-null node count in
* node_record_table_ptr */
int last_node_index = -1; /* index of last node in table */
uint16_t *cr_node_num_cores = NULL;
uint32_t *cr_node_cores_offset = NULL;
bool spec_cores_first = false;
time_t slurmd_start_time = 0;
/* Local function definitions */
static void _delete_config_record(void);
static void _delete_node_config_ptr(node_record_t *node_ptr);
#if _DEBUG
static void _dump_hash(void);
#endif
static node_record_t *_find_node_record(char *name, bool test_alias,
bool log_missing);
static void _list_delete_config(void *config_entry);
static void _node_record_hash_identity(void *item, const char **key,
uint32_t *key_len);
/*
* _delete_config_record - delete all configuration records
* RET 0 if no error, errno otherwise
* global: config_list - list of all configuration records
*/
static void _delete_config_record(void)
{
last_node_update = time (NULL);
list_flush(config_list);
}
#if _DEBUG
/*
* helper function used by _dump_hash to print the hash table elements
*/
static void xhash_walk_helper_cbk(void *item, void *arg)
{
int *i_ptr = arg;
node_record_t *node_ptr = (node_record_t *) item;
debug3("node_hash[%d]:%d(%s)", (*i_ptr)++, node_ptr->index,
node_ptr->name);
}
/*
* _dump_hash - print the node_hash_table contents, used for debugging
* or analysis of hash technique
* global: node_record_table_ptr - pointer to global node table
* node_hash_table - table of hash indexes
*/
static void _dump_hash(void)
{
int i = 0;
if (node_hash_table == NULL)
return;
debug2("node_hash: indexing %u elements",
xhash_count(node_hash_table));
xhash_walk(node_hash_table, xhash_walk_helper_cbk, &i);
}
#endif
/* _list_delete_config - delete an entry from the config list,
* see list.h for documentation */
static void _list_delete_config(void *config_entry)
{
config_record_t *config_ptr = (config_record_t *) config_entry;
xassert(config_ptr);
xassert(config_ptr->magic == CONFIG_MAGIC);
xfree(config_ptr->cpu_spec_list);
xfree(config_ptr->feature);
xfree(config_ptr->gres);
xfree (config_ptr->nodes);
FREE_NULL_BITMAP (config_ptr->node_bitmap);
xfree(config_ptr->topology_str);
xfree(config_ptr->tres_weights);
xfree(config_ptr->tres_weights_str);
xfree (config_ptr);
}
/*
* xhash helper function to index node_record per name field
* in node_hash_table
*/
static void _node_record_hash_identity(void *item, const char **key,
uint32_t *key_len)
{
node_record_t *node_ptr = item;
*key = node_ptr->name;
*key_len = strlen(node_ptr->name);
}
/*
* bitmap2hostlist - given a bitmap, build a hostlist
* IN bitmap - bitmap pointer
* RET pointer to hostlist or NULL on error
* globals: node_record_table_ptr - pointer to node table
* NOTE: the caller must xfree the memory at node_list when no longer required
*/
extern hostlist_t *bitmap2hostlist(bitstr_t *bitmap)
{
hostlist_t *hl;
node_record_t *node_ptr;
if (bitmap == NULL)
return NULL;
hl = hostlist_create(NULL);
for (int i = 0; (node_ptr = next_node_bitmap(bitmap, &i)); i++) {
hostlist_push_host(hl, node_ptr->name);
}
return hl;
}
/*
* bitmap2node_name_sortable - given a bitmap, build a list of comma
* separated node names. names may include regular expressions
* (e.g. "lx[01-10]")
* IN bitmap - bitmap pointer
* IN sort - returned sorted list or not
* RET pointer to node list or NULL on error
* globals: node_record_table_ptr - pointer to node table
* NOTE: the caller must xfree the memory at node_list when no longer required
*/
extern char *bitmap2node_name_sortable(bitstr_t *bitmap, bool sort)
{
hostlist_t *hl;
char *buf;
hl = bitmap2hostlist (bitmap);
if (hl == NULL)
return xstrdup("");
if (sort)
hostlist_sort(hl);
buf = hostlist_ranged_string_xmalloc(hl);
hostlist_destroy(hl);
return buf;
}
/*
* bitmap2node_name - given a bitmap, build a list of sorted, comma
* separated node names. names may include regular expressions
* (e.g. "lx[01-10]")
* IN bitmap - bitmap pointer
* RET pointer to node list or NULL on error
* globals: node_record_table_ptr - pointer to node table
* NOTE: the caller must xfree the memory at node_list when no longer required
*/
extern char *bitmap2node_name(bitstr_t *bitmap)
{
return bitmap2node_name_sortable(bitmap, 1);
}
static int _check_callback(char *alias, char *hostname,
char *address, char *bcast_address,
uint16_t port, int state_val,
slurm_conf_node_t *node_ptr,
config_record_t *config_ptr)
{
int rc = SLURM_SUCCESS;
node_record_t *node_rec;
if ((node_rec = find_node_record2(alias)))
fatal("Duplicated NodeHostName %s in config file", alias);
if ((rc = create_node_record(config_ptr, alias, &node_rec)))
return rc;
if ((state_val != NO_VAL) &&
(state_val != NODE_STATE_UNKNOWN))
node_rec->node_state = state_val;
node_rec->last_response = (time_t) 0;
node_rec->comm_name = xstrdup(address);
node_rec->cpu_bind = node_ptr->cpu_bind;
node_rec->node_hostname = xstrdup(hostname);
node_rec->bcast_address = xstrdup(bcast_address);
node_rec->port = port;
node_rec->features = xstrdup(node_ptr->feature);
node_rec->reason = xstrdup(node_ptr->reason);
return rc;
}
extern config_record_t *config_record_from_conf_node(
slurm_conf_node_t *conf_node, int tres_cnt)
{
config_record_t *config_ptr;
config_ptr = create_config_record();
config_ptr->boards = conf_node->boards;
config_ptr->core_spec_cnt = conf_node->core_spec_cnt;
config_ptr->cores = conf_node->cores;
config_ptr->cpu_bind = conf_node->cpu_bind;
config_ptr->cpu_spec_list = xstrdup(conf_node->cpu_spec_list);
config_ptr->cpus = conf_node->cpus;
if (conf_node->feature && conf_node->feature[0])
config_ptr->feature = xstrdup(conf_node->feature);
config_ptr->mem_spec_limit = conf_node->mem_spec_limit;
config_ptr->nodes = xstrdup(conf_node->nodenames);
config_ptr->real_memory = conf_node->real_memory;
config_ptr->res_cores_per_gpu = conf_node->res_cores_per_gpu;
config_ptr->threads = conf_node->threads;
config_ptr->tmp_disk = conf_node->tmp_disk;
config_ptr->topology_str = xstrdup(conf_node->topology_str);
config_ptr->tot_sockets = conf_node->tot_sockets;
config_ptr->weight = conf_node->weight;
if (tres_cnt) {
config_ptr->tres_weights_str =
xstrdup(conf_node->tres_weights_str);
config_ptr->tres_weights =
slurm_get_tres_weight_array(conf_node->tres_weights_str,
tres_cnt, true);
}
if (run_in_daemon(IS_SLURMCTLD | IS_SLURMD)) {
config_ptr->gres = gres_name_filter(conf_node->gres,
conf_node->nodenames);
}
return config_ptr;
}
/*
* build_all_nodeline_info - get a array of slurm_conf_node_t structures
* from the slurm.conf reader, build table, and set values
* IN set_bitmap - if true then set node_bitmap in config record (used by
* slurmd), false is used by slurmctld, clients, and testsuite
* IN tres_cnt - number of TRES configured on system (used on controller side)
*/
extern int build_all_nodeline_info(bool set_bitmap, int tres_cnt)
{
slurm_conf_node_t *node, **ptr_array;
config_record_t *config_ptr = NULL;
int count, i;
count = slurm_conf_nodename_array(&ptr_array);
for (i = 0; i < count; i++) {
int rc;
node = ptr_array[i];
config_ptr = config_record_from_conf_node(node, tres_cnt);
if (((rc = expand_nodeline_info(node, config_ptr, NULL,
_check_callback))))
return rc;
}
if (set_bitmap) {
list_itr_t *config_iterator;
config_iterator = list_iterator_create(config_list);
while ((config_ptr = list_next(config_iterator))) {
node_name2bitmap(config_ptr->nodes, true,
&config_ptr->node_bitmap, NULL);
}
list_iterator_destroy(config_iterator);
}
return SLURM_SUCCESS;
}
extern int build_node_spec_bitmap(node_record_t *node_ptr)
{
uint32_t size;
int *cpu_spec_array;
int i;
if (node_ptr->tpc == 0) {
error("Node %s has invalid thread per core count (%u)",
node_ptr->name, node_ptr->tpc);
return SLURM_ERROR;
}
if (!node_ptr->cpu_spec_list)
return SLURM_SUCCESS;
size = node_ptr->tot_cores;
FREE_NULL_BITMAP(node_ptr->node_spec_bitmap);
node_ptr->node_spec_bitmap = bit_alloc(size);
bit_set_all(node_ptr->node_spec_bitmap);
/* remove node's specialized cpus now */
cpu_spec_array = bitfmt2int(node_ptr->cpu_spec_list);
i = 0;
while (cpu_spec_array[i] != -1) {
int start = (cpu_spec_array[i] / node_ptr->tpc);
int end = (cpu_spec_array[i + 1] / node_ptr->tpc);
if (start > size) {
error("%s: Specialized CPUs id start above the configured limit.",
__func__);
break;
}
if (end > size) {
error("%s: Specialized CPUs id end above the configured limit",
__func__);
end = size;
}
/*
* We need to test to make sure we have these bits in this map.
* If the node goes from 12 cpus to 6 like scenario.
*/
bit_nclear(node_ptr->node_spec_bitmap, start, end);
i += 2;
}
node_ptr->core_spec_cnt = bit_clear_count(node_ptr->node_spec_bitmap);
xfree(cpu_spec_array);
return SLURM_SUCCESS;
}
/*
* Select cores and CPUs to be reserved for core specialization.
*/
extern void node_conf_select_spec_cores(node_record_t *node_ptr)
{
int spec_cores, res_core, res_sock, res_off;
int from_core, to_core, incr_core, from_sock, to_sock, incr_sock;
bitstr_t *cpu_spec_bitmap;
spec_cores = node_ptr->core_spec_cnt;
cpu_spec_bitmap = bit_alloc(node_ptr->cpus);
node_ptr->node_spec_bitmap = bit_alloc(node_ptr->tot_cores);
bit_set_all(node_ptr->node_spec_bitmap);
if (spec_cores_first) {
from_core = 0;
to_core = node_ptr->cores;
incr_core = 1;
from_sock = 0;
to_sock = node_ptr->tot_sockets;
incr_sock = 1;
} else {
from_core = node_ptr->cores - 1;
to_core = -1;
incr_core = -1;
from_sock = node_ptr->tot_sockets - 1;
to_sock = -1;
incr_sock = -1;
}
for (res_core = from_core;
(spec_cores && (res_core != to_core)); res_core += incr_core) {
for (res_sock = from_sock;
(spec_cores && (res_sock != to_sock));
res_sock += incr_sock) {
int thread_off;
thread_off = ((res_sock * node_ptr->cores) + res_core) *
node_ptr->tpc;
bit_nset(cpu_spec_bitmap, thread_off,
thread_off + node_ptr->tpc - 1);
res_off = (res_sock * node_ptr->cores) + res_core;
bit_clear(node_ptr->node_spec_bitmap, res_off);
spec_cores--;
}
}
node_ptr->cpu_spec_list = bit_fmt_full(cpu_spec_bitmap);
FREE_NULL_BITMAP(cpu_spec_bitmap);
return;
}
/*
* Expand a nodeline's node names, host names, addrs, ports into separate nodes.
*/
extern int expand_nodeline_info(slurm_conf_node_t *node_ptr,
config_record_t *config_ptr,
char **err_msg,
int (*_callback) (
char *alias, char *hostname,
char *address, char *bcast_address,
uint16_t port, int state_val,
slurm_conf_node_t *node_ptr,
config_record_t *config_ptr))
{
hostlist_t *address_list = NULL;
hostlist_t *alias_list = NULL;
hostlist_t *bcast_list = NULL;
hostlist_t *hostname_list = NULL;
hostlist_t *port_list = NULL;
char *address = NULL;
char *alias = NULL;
char *bcast_address = NULL;
char *hostname = NULL;
char *port_str = NULL;
int state_val = NODE_STATE_UNKNOWN, rc = SLURM_SUCCESS;
int address_count, alias_count, bcast_count, hostname_count, port_count;
uint16_t port = slurm_conf.slurmd_port;
if (!node_ptr->nodenames || !node_ptr->nodenames[0])
fatal("Empty NodeName in config.");
if (node_ptr->state) {
state_val = state_str2int(node_ptr->state, node_ptr->nodenames);
if (state_val == NO_VAL)
fatal("Invalid state %s from %s",
node_ptr->state, node_ptr->nodenames);
}
if (!(address_list = hostlist_create(node_ptr->addresses)))
fatal("Unable to create NodeAddr list from %s",
node_ptr->addresses);
if (!(alias_list = hostlist_create(node_ptr->nodenames)))
fatal("Unable to create NodeName list from %s",
node_ptr->nodenames);
if (!(bcast_list = hostlist_create(node_ptr->bcast_addresses)))
fatal("Unable to create BcastAddr list from %s",
node_ptr->bcast_addresses);
if (!(hostname_list = hostlist_create(node_ptr->hostnames)))
fatal("Unable to create NodeHostname list from %s",
node_ptr->hostnames);
if (node_ptr->port_str && node_ptr->port_str[0] &&
(node_ptr->port_str[0] != '[') &&
(strchr(node_ptr->port_str, '-') ||
strchr(node_ptr->port_str, ','))) {
xstrfmtcat(port_str, "[%s]", node_ptr->port_str);
port_list = hostlist_create(port_str);
xfree(port_str);
} else
port_list = hostlist_create(node_ptr->port_str);
if (!port_list)
fatal("Unable to create Port list from %s",
node_ptr->port_str);
/* some sanity checks */
address_count = hostlist_count(address_list);
bcast_count = hostlist_count(bcast_list);
alias_count = hostlist_count(alias_list);
hostname_count = hostlist_count(hostname_list);
port_count = hostlist_count(port_list);
if ((address_count != alias_count) && (address_count != 1))
fatal("NodeAddr count must equal that of NodeName records or there must be no more than one");
if ((bcast_count != alias_count) && (bcast_count > 1))
fatal("BcastAddr count must equal that of NodeName records or there must be no more than one");
if ((hostname_count != alias_count) && (hostname_count != 1))
fatal("NodeHostname count must equal that of NodeName records or there must be no more than one");
if ((port_count != alias_count) && (port_count > 1))
fatal("Port count must equal that of NodeName records or there must be no more than one (%u != %u)",
port_count, alias_count);
/* now build the individual node structures */
while ((alias = hostlist_shift(alias_list))) {
if (address_count > 0) {
address_count--;
if (address)
free(address);
address = hostlist_shift(address_list);
}
if (bcast_count > 0) {
bcast_count--;
if (bcast_address)
free(bcast_address);
bcast_address = hostlist_shift(bcast_list);
}
if (hostname_count > 0) {
hostname_count--;
if (hostname)
free(hostname);
hostname = hostlist_shift(hostname_list);
}
if (port_count > 0) {
int port_int;
port_count--;
if (port_str)
free(port_str);
port_str = hostlist_shift(port_list);
port_int = atoi(port_str);
if ((port_int <= 0) || (port_int > 0xffff))
fatal("Invalid Port %s", node_ptr->port_str);
port = port_int;
}
if ((rc = (*_callback)(alias, hostname, address, bcast_address,
port, state_val, node_ptr,
config_ptr))) {
if (err_msg) {
xfree(*err_msg);
*err_msg = xstrdup_printf("%s (%s)",
slurm_strerror(rc),
alias);
}
free(alias);
break;
}
free(alias);
}
/* free allocated storage */
if (address)
free(address);
if (bcast_address)
free(bcast_address);
if (hostname)
free(hostname);
if (port_str)
free(port_str);
FREE_NULL_HOSTLIST(address_list);
FREE_NULL_HOSTLIST(alias_list);
FREE_NULL_HOSTLIST(bcast_list);
FREE_NULL_HOSTLIST(hostname_list);
FREE_NULL_HOSTLIST(port_list);
return rc;
}
/*
* Sync with _init_conf_node().
*
* _init_conf_node() initializes default values from slurm.conf parameters.
* After parsing slurm.conf, build_all_nodeline_info() copies slurm_conf_node_t
* to config_record_t. Defaults values between slurm_conf_node_t and
* config_record_t should stay in sync in case a config_record is created
* outside of slurm.conf parsing.
*/
static void _init_config_record(config_record_t *config_ptr)
{
config_ptr->magic = CONFIG_MAGIC;
config_ptr->boards = 1;
config_ptr->cores = 1;
config_ptr->cpus = 1;
config_ptr->real_memory = 1;
config_ptr->threads = 1;
config_ptr->tot_sockets = 1;
config_ptr->weight = 1;
}
/*
* create_config_record - create a config_record entry and set is values to
* the defaults. each config record corresponds to a line in the
* slurm.conf file and typically describes the configuration of a
* large number of nodes
* RET pointer to the config_record
* NOTE: memory allocated will remain in existence until
* _delete_config_record() is called to delete all configuration records
*/
extern config_record_t *create_config_record(void)
{
config_record_t *config_ptr = xmalloc(sizeof(*config_ptr));
_init_config_record(config_ptr);
list_append(config_list, config_ptr);
last_node_update = time (NULL);
return config_ptr;
}
/*
* Convert CPU list to reserve whole cores
* OUT:
* node_ptr->cpu_spec_list
*/
extern void node_conf_convert_cpu_spec_list(node_record_t *node_ptr)
{
uint16_t i;
bitstr_t *cpu_spec_bitmap;
/* Nothing to convert if threads per core is 1 */
if (node_ptr->tpc < 2)
return;
/* create CPU bitmap from input CPU list */
cpu_spec_bitmap = bit_alloc(node_ptr->cpus);
/* Expand CPU bitmap to reserve whole cores */
for (i = 0; i < node_ptr->tot_cores; i++) {
if (!bit_test(node_ptr->node_spec_bitmap, i)) {
bit_nset(cpu_spec_bitmap, (i * node_ptr->tpc),
((i + 1) * node_ptr->tpc) - 1);
}
}
xfree(node_ptr->cpu_spec_list);
node_ptr->cpu_spec_list = bit_fmt_full(cpu_spec_bitmap);
FREE_NULL_BITMAP(cpu_spec_bitmap);
}
static void _init_node_record(node_record_t *node_ptr,
config_record_t *config_ptr)
{
/*
* Some of these vars will be overwritten when the node actually
* registers.
*/
node_ptr->magic = NODE_MAGIC;
node_ptr->cpu_load = 0;
node_ptr->energy = acct_gather_energy_alloc(1);
node_ptr->free_mem = NO_VAL64;
node_ptr->next_state = NO_VAL;
node_ptr->owner = NO_VAL;
node_ptr->port = slurm_conf.slurmd_port;
node_ptr->protocol_version = SLURM_MIN_PROTOCOL_VERSION;
node_ptr->resume_timeout = NO_VAL16;
node_ptr->suspend_time = NO_VAL;
node_ptr->suspend_timeout = NO_VAL16;
node_ptr->config_ptr = config_ptr;
node_ptr->boards = config_ptr->boards;
node_ptr->core_spec_cnt = config_ptr->core_spec_cnt;
node_ptr->cores = config_ptr->cores;
node_ptr->cpus = config_ptr->cpus;
node_ptr->mem_spec_limit = config_ptr->mem_spec_limit;
node_ptr->real_memory = config_ptr->real_memory;
node_ptr->res_cores_per_gpu = config_ptr->res_cores_per_gpu;
node_ptr->threads = config_ptr->threads;
node_ptr->tmp_disk = config_ptr->tmp_disk;
node_ptr->tot_sockets = config_ptr->tot_sockets;
node_ptr->tot_cores = config_ptr->tot_sockets * config_ptr->cores;
node_ptr->weight = config_ptr->weight;
/*
* Here we determine if this node is scheduling threads or not.
* We will set tpc to be the number of schedulable threads per core.
*/
if (node_ptr->tot_cores >= config_ptr->cpus)
node_ptr->tpc = 1;
else
node_ptr->tpc = config_ptr->threads;
node_ptr->cpu_spec_list = xstrdup(config_ptr->cpu_spec_list);
if (node_ptr->cpu_spec_list) {
build_node_spec_bitmap(node_ptr);
node_conf_convert_cpu_spec_list(node_ptr);
} else if (node_ptr->core_spec_cnt) {
node_conf_select_spec_cores(node_ptr);
}
node_ptr->cpus_efctv = node_ptr->cpus -
(node_ptr->core_spec_cnt * node_ptr->tpc);
node_ptr->topology_str = xstrdup(config_ptr->topology_str);
}
extern void grow_node_record_table_ptr(void)
{
node_record_table_size = node_record_count + 100;
if (slurm_conf.max_node_cnt != NO_VAL)
node_record_table_size = MAX(node_record_count,
slurm_conf.max_node_cnt);
xrealloc(node_record_table_ptr,
node_record_table_size * sizeof(node_record_t *));
/*
* You need to rehash the hash after we realloc or we will have
* only bad memory references in the hash.
*/
rehash_node();
}
/*
* create_node_record - create a node record and set its values to defaults
* IN config_ptr - pointer to node's configuration information
* IN node_name - name of the node
* OUT node_ptr - node_record_t** with created node on SUCCESS, NULL otherwise.
* RET SUCCESS, or error code
* NOTE: allocates memory at node_record_table_ptr that must be xfreed when
* the global node table is no longer required
*/
extern int create_node_record(config_record_t *config_ptr, char *node_name,
node_record_t **node_ptr)
{
xassert(config_ptr);
xassert(node_name);
xassert(node_ptr);
if (node_record_count >= node_record_table_size)
grow_node_record_table_ptr();
if (!(*node_ptr = create_node_record_at(node_record_count,
node_name, config_ptr)))
return ESLURM_NODE_TABLE_FULL;
node_record_count++;
return SLURM_SUCCESS;
}
extern node_record_t *create_node_record_at(int index, char *node_name,
config_record_t *config_ptr)
{
node_record_t *node_ptr;
last_node_update = time(NULL);
xassert(index <= node_record_count);
xassert(!node_record_table_ptr[index]);
if ((slurm_conf.max_node_cnt != NO_VAL) &&
(index >= slurm_conf.max_node_cnt)) {
error("Attempting to create node record past MaxNodeCount:%d",
slurm_conf.max_node_cnt);
return NULL;
} else if (index > MAX_SLURM_NODES) {
error("Attempting to create nodes past max node limit (%d)",
MAX_SLURM_NODES);
return NULL;
}
if (index > last_node_index)
last_node_index = index;
node_ptr = node_record_table_ptr[index] = xmalloc(sizeof(*node_ptr));
node_ptr->index = index;
node_ptr->name = xstrdup(node_name);
xhash_add(node_hash_table, node_ptr);
active_node_record_count++;
_init_node_record(node_ptr, config_ptr);
return node_ptr;
}
extern int add_node_record(char *alias, config_record_t *config_ptr,
node_record_t **node_ptr)
{
int rc = SLURM_SUCCESS;
xassert(node_ptr);
if ((*node_ptr = find_node_record2(alias))) {
rc = ESLURM_NODE_ALREADY_EXISTS;
goto end;
}
for (int i = 0; i < node_record_count; i++) {
if (node_record_table_ptr[i])
continue;
if (!(*node_ptr =
create_node_record_at(i, alias, config_ptr))) {
rc = ESLURM_NODE_TABLE_FULL;
goto end;
}
bit_set(config_ptr->node_bitmap, i);
gres_init_node_config((*node_ptr)->config_ptr->gres,
&(*node_ptr)->gres_list);
break;
}
if (!(*node_ptr))
rc = ESLURM_NODE_TABLE_FULL;
end:
return rc;
}
static int _find_config_ptr(void *x, void *arg)
{
return (x == arg);
}
extern void insert_node_record_at(node_record_t *node_ptr, int index)
{
xassert(node_ptr);
xassert(node_ptr->config_ptr);
if (node_record_table_ptr[index]) {
error("existing node '%s' already exists at index %d, can't add node '%s'",
node_record_table_ptr[index]->name, index,
node_ptr->name);
return;
}
if (index >= node_record_count) {
error("trying to add node '%s' at index %d past node_record_count %d",
node_ptr->name, index, node_record_count);
return;
}
if (index > last_node_index)
last_node_index = index;
if (!node_ptr->config_ptr)
error("node should have config_ptr from previous tables");
if (!list_find_first(config_list, _find_config_ptr,
node_ptr->config_ptr))
list_append(config_list, node_ptr->config_ptr);
node_record_table_ptr[index] = node_ptr;
/*
* _build_bitmaps_pre_select() will reset bitmaps on
* start/reconfig. Set here to be consistent in case this is
* called elsewhere.
*/
bit_clear(node_ptr->config_ptr->node_bitmap, node_ptr->index);
node_ptr->index = index;
bit_set(node_ptr->config_ptr->node_bitmap, node_ptr->index);
xhash_add(node_hash_table, node_ptr);
active_node_record_count++;
/* add node to conf node hash tables */
slurm_conf_remove_node(node_ptr->name);
slurm_conf_add_node(node_ptr);
}
extern void delete_node_record(node_record_t *node_ptr)
{
xassert(node_ptr);
node_record_table_ptr[node_ptr->index] = NULL;
if (node_ptr->index == last_node_index) {
int i = 0;
for (i = last_node_index - 1; i >=0; i--) {
if (node_record_table_ptr[i]) {
last_node_index = i;
break;
}
}
if (i < 0)
last_node_index = -1;
}
active_node_record_count--;
_delete_node_config_ptr(node_ptr);
purge_node_rec(node_ptr);
}
/*
* find_node_record - find a record for node with specified name
* IN: name - name of the desired node
* RET: pointer to node record or NULL if not found
* NOTE: Logs an error if the node name is NOT found
*/
extern node_record_t *find_node_record(char *name)
{
return _find_node_record(name, true, true);
}
/*
* find_node_record2 - find a record for node with specified name
* IN: name - name of the desired node
* RET: pointer to node record or NULL if not found
* NOTE: Does not log an error if the node name is NOT found
*/
extern node_record_t *find_node_record2(char *name)
{
return _find_node_record(name, true, false);
}
/*
* find_node_record_no_alias - find a record for node with specified name
* without looking at the node's alias (NodeHostName).
* IN: name - name of the desired node
* RET: pointer to node record or NULL if not found
* NOTE: Logs an error if the node name is NOT found
*/
extern node_record_t *find_node_record_no_alias(char *name)
{
return _find_node_record(name, false, true);
}
/*
* _find_node_record - find a record for node with specified name
* IN: name - name of the desired node
* IN: test_alias - if set, also test NodeHostName value
* IN: log_missing - if set, then print an error message if the node is not found
* RET: pointer to node record or NULL if not found
*/
static node_record_t *_find_node_record(char *name, bool test_alias,
bool log_missing)
{
node_record_t *node_ptr;
if ((name == NULL) || (name[0] == '\0')) {
info("%s: passed NULL node name", __func__);
return NULL;
}
/* nothing added yet */
if (!node_hash_table)
return NULL;
/* try to find via hash table, if it exists */
if ((node_ptr = xhash_get_str(node_hash_table, name))) {
xassert(node_ptr->magic == NODE_MAGIC);
return node_ptr;
}
if ((node_record_count == 1) && node_record_table_ptr[0] &&
(xstrcmp(node_record_table_ptr[0]->name, "localhost") == 0))
return (node_record_table_ptr[0]);
if (log_missing)
error("%s: lookup failure for node \"%s\"",
__func__, name);
if (test_alias) {
char *alias = slurm_conf_get_nodename(name);
/* look for the alias node record if the user put this in
* instead of what slurm sees the node name as */
if (!alias)
return NULL;
node_ptr = xhash_get_str(node_hash_table, alias);
if (log_missing)
error("%s: lookup failure for node \"%s\", alias \"%s\"",
__func__, name, alias);
xfree(alias);
return node_ptr;
}
return NULL;
}
/*
* init_node_conf - initialize the node configuration tables and values.
* this should be called before creating any node or configuration
* entries.
*/
extern void init_node_conf(void)
{
last_node_update = time (NULL);
int i;
node_record_t *node_ptr;
for (i = 0; (node_ptr = next_node(&i)); i++)
delete_node_record(node_ptr);
node_record_count = 0;
node_record_table_size = 0;
last_node_index = -1;
xfree(node_record_table_ptr);
xhash_free(node_hash_table);
if (config_list) /* delete defunct configuration entries */
_delete_config_record();
else {
config_list = list_create (_list_delete_config);
}
if (xstrcasestr(slurm_conf.sched_params, "spec_cores_first"))
spec_cores_first = true;
else
spec_cores_first = false;
}
/* node_fini2 - free memory associated with node records (except bitmaps) */
extern void node_fini2(void)
{
int i;
node_record_t *node_ptr;
xhash_free(node_hash_table);
for (i = 0; (node_ptr = next_node(&i)); i++)
delete_node_record(node_ptr);
if (config_list) {
/*
* Must free after purge_node_rec as purge_node_rec will remove
* node config_ptr's.
*/
FREE_NULL_LIST(config_list);
}
xfree(node_record_table_ptr);
/*
* Don't clear node_record_count because other plugins are relying on
* node_record_count to free arrays on cleanup -- e.g.
* free_core_array().
*
* node_record_count = 0;
*/
}
extern int node_name_get_inx(char *node_name)
{
node_record_t *node_ptr = NULL;
if (node_name)
node_ptr = find_node_record(node_name);
if (!node_ptr)
return -1;
return node_ptr->index;
}
extern void add_nodes_with_feature_to_bitmap(bitstr_t *bitmap, char *feature)
{
if (avail_feature_list) {
node_feature_t *node_feat_ptr;
if (!(node_feat_ptr = list_find_first_ro(avail_feature_list,
list_find_feature,
feature))) {
debug2("unable to find nodeset feature '%s'", feature);
return;
}
bit_or(bitmap, node_feat_ptr->node_bitmap);
} else {
node_record_t *node_ptr;
/*
* The global feature bitmaps have not been set up at this
* point, so we'll have to scan through the node_record_table
* directly to locate the appropriate records.
*/
for (int i = 0; (node_ptr = next_node(&i)); i++) {
char *features, *tmp, *tok, *last = NULL;
if (!node_ptr->features)
continue;
features = tmp = xstrdup(node_ptr->features);
while ((tok = strtok_r(tmp, ",", &last))) {
if (!xstrcmp(tok, feature)) {
bit_set(bitmap, node_ptr->index);
break;
}
tmp = NULL;
}
xfree(features);
}
}
}
static int _parse_hostlist_function(bitstr_t *node_bitmap, char *node_str)
{
int rc = SLURM_SUCCESS;
char *start_ptr, *end_ptr;
start_ptr = xstrchr(node_str, '{') + 1;
end_ptr = xstrchr(start_ptr, '}');
if (!end_ptr) {
error("%s: invalid node specified in hostlist function: \"%s\" (missing closing '}')",
__func__, node_str);
return SLURM_ERROR;
}
*end_ptr = '\0';
if (!xstrncmp("blockwith{", node_str, 10) ||
!xstrncmp("switchwith{", node_str, 11)) {
node_record_t *node_ptr;
bitstr_t *tmp_bitmap = bit_alloc(node_record_count);
node_ptr = _find_node_record(start_ptr, false, true);
if (node_ptr) {
bit_set(tmp_bitmap, node_ptr->index);
topology_g_whole_topo(tmp_bitmap, 0);
bit_or(node_bitmap, tmp_bitmap);
} else {
rc = SLURM_ERROR;
error("%s: invalid node specified in hostlist function: \"%s\"",
__func__, node_str);
}
FREE_NULL_BITMAP(tmp_bitmap);
} else if (!xstrncmp("block{", node_str, 6) ||
!xstrncmp("switch{", node_str, 7)) {
bitstr_t *tmp_bitmap = topology_g_get_bitmap(start_ptr);
if (tmp_bitmap) {
bit_or(node_bitmap, tmp_bitmap);
} else {
rc = SLURM_ERROR;
error("%s: invalid block or switch specified in hostlist function: \"%s\"",
__func__, node_str);
}
} else if (!xstrncmp("feature{", node_str, 8)) {
add_nodes_with_feature_to_bitmap(node_bitmap, start_ptr);
} else {
rc = SLURM_ERROR;
error("Invalid hostlist_function specified: %s", node_str);
}
*end_ptr = '}';
return rc;
}
extern int parse_hostlist_functions(hostlist_t **hostlist)
{
hostlist_t *new_hostlist = hostlist_create(NULL);
node_record_t *node_ptr;
char *host;
int rc = SLURM_SUCCESS;
while ((host = hostlist_shift(*hostlist))) {
if ((strchr(host, '{'))) {
bitstr_t *node_bitmap = bit_alloc(node_record_count);
if (_parse_hostlist_function(node_bitmap, host)) {
rc = SLURM_ERROR;
} else {
for (int i = 0; (node_ptr = next_node_bitmap(
node_bitmap, &i));
i++) {
hostlist_push_host(new_hostlist,
node_ptr->name);
}
}
FREE_NULL_BITMAP(node_bitmap);
} else {
hostlist_push_host(new_hostlist, host);
}
free(host);
}
hostlist_destroy(*hostlist);
*hostlist = new_hostlist;
return rc;
}
static int _single_node_name2bitmap(char *node_name, bool test_alias,
bitstr_t *bitmap,
hostlist_t **invalid_hostlist)
{
int rc = SLURM_SUCCESS;
/* If there are curly brackets it must be a hostlist_function */
if ((xstrchr(node_name, '{'))) {
rc = _parse_hostlist_function(bitmap, node_name);
} else {
node_record_t *node_ptr;
node_ptr = _find_node_record(node_name, test_alias, true);
if (node_ptr)
bit_set(bitmap, node_ptr->index);
else
rc = SLURM_ERROR;
}
if ((rc != SLURM_SUCCESS) && invalid_hostlist) {
debug2("%s: invalid node specified: \"%s\"",
__func__, node_name);
if (*invalid_hostlist) {
hostlist_push_host(*invalid_hostlist, node_name);
} else {
*invalid_hostlist = hostlist_create(node_name);
}
rc = SLURM_SUCCESS;
} else if (rc != SLURM_SUCCESS) {
error("%s: invalid node specified: \"%s\"",
__func__, node_name);
rc = EINVAL;
}
return rc;
}
/*
* node_name2bitmap - given a node name regular expression, build a bitmap
* representation
* IN node_names - list of nodes
* IN: test_alias - if set, also test NodeHostName value
* OUT bitmap - set to bitmap, may not have all bits set on error
* RET 0 if no error, otherwise EINVAL
* NOTE: call FREE_NULL_BITMAP() to free bitmap memory when no longer required
*/
extern int node_name2bitmap(char *node_names, bool test_alias,
bitstr_t **bitmap, hostlist_t **invalid_hostlist)
{
int rc = SLURM_SUCCESS;
char *this_node_name;
hostlist_t *host_list;
*bitmap = bit_alloc(node_record_count);
if (!node_names) {
info("%s: node_names is NULL", __func__);
return rc;
}
if (!(host_list = hostlist_create(node_names))) {
/* likely a badly formatted hostlist */
error("hostlist_create on %s error:", node_names);
return EINVAL;
}
while ((this_node_name = hostlist_shift(host_list))) {
rc = _single_node_name2bitmap(this_node_name, test_alias,
*bitmap, invalid_hostlist);
free(this_node_name);
}
hostlist_destroy(host_list);
return rc;
}
/*
* hostlist2bitmap - given a hostlist, build a bitmap representation
* IN hl - hostlist
* IN: test_alias - if set, also test NodeHostName value
* OUT bitmap - set to bitmap, may not have all bits set on error
* RET 0 if no error, otherwise EINVAL
*/
extern int hostlist2bitmap(hostlist_t *hl, bool test_alias, bitstr_t **bitmap)
{
int rc = SLURM_SUCCESS;
bitstr_t *my_bitmap;
char *name;
hostlist_iterator_t *hi;
FREE_NULL_BITMAP(*bitmap);
my_bitmap = bit_alloc(node_record_count);
*bitmap = my_bitmap;
hi = hostlist_iterator_create(hl);
while ((name = hostlist_next(hi))) {
int tmp_rc;
if ((tmp_rc = _single_node_name2bitmap(name, test_alias,
*bitmap, NULL)))
rc = tmp_rc;
free(name);
}
hostlist_iterator_destroy(hi);
return rc;
}
/* Only delete config_ptr if isn't referenced by another node. */
static void _delete_node_config_ptr(node_record_t *node_ptr)
{
bool delete = true;
node_record_t *tmp_ptr;
config_record_t *this_config_ptr;
if (!node_ptr->config_ptr)
return;
/* clear in case config_ptr is still referenced by other nodes */
if (node_ptr->config_ptr->node_bitmap)
bit_clear(node_ptr->config_ptr->node_bitmap, node_ptr->index);
this_config_ptr = node_ptr->config_ptr;
node_ptr->config_ptr = NULL;
for (int i = 0; (tmp_ptr = next_node(&i)); i++) {
if (tmp_ptr->config_ptr == this_config_ptr) {
delete = false;
break;
}
}
if (delete)
list_delete_ptr(config_list, this_config_ptr);
}
/* Purge the contents of a node record */
extern void purge_node_rec(void *in)
{
node_record_t *node_ptr = in;
xfree(node_ptr->alloc_tres_fmt_str);
xfree(node_ptr->arch);
xfree(node_ptr->cert_token);
xfree(node_ptr->comment);
xfree(node_ptr->comm_name);
xfree(node_ptr->cpu_spec_list);
xfree(node_ptr->extra);
FREE_NULL_DATA(node_ptr->extra_data);
xfree(node_ptr->features);
xfree(node_ptr->features_act);
xfree(node_ptr->gpu_spec);
FREE_NULL_BITMAP(node_ptr->gpu_spec_bitmap);
xfree(node_ptr->gres);
FREE_NULL_LIST(node_ptr->gres_list);
xfree(node_ptr->instance_id);
xfree(node_ptr->instance_type);
xfree(node_ptr->mcs_label);
xfree(node_ptr->name);
xfree(node_ptr->node_hostname);
FREE_NULL_BITMAP(node_ptr->node_spec_bitmap);
xfree(node_ptr->os);
xfree(node_ptr->part_pptr);
xfree(node_ptr->reason);
xfree(node_ptr->resv_name);
xfree(node_ptr->version);
acct_gather_energy_destroy(node_ptr->energy);
xfree(node_ptr->topology_str);
xfree(node_ptr->tres_str);
xfree(node_ptr->tres_fmt_str);
xfree(node_ptr->tres_cnt);
xfree(node_ptr);
}
/*
* rehash_node - build a hash table of the node_record entries.
* NOTE: using xhash implementation
*/
extern void rehash_node(void)
{
int i;
node_record_t *node_ptr;
xhash_free (node_hash_table);
node_hash_table = xhash_init(_node_record_hash_identity, NULL);
for (i = 0; (node_ptr = next_node(&i)); i++) {
if ((node_ptr->name == NULL) ||
(node_ptr->name[0] == '\0'))
continue; /* vestigial record */
xhash_add(node_hash_table, node_ptr);
}
#if _DEBUG
_dump_hash();
#endif
return;
}
/* Convert a node state string to it's equivalent enum value */
extern int state_str2int(const char *state_str, char *node_name)
{
int state_val = NO_VAL;
int i;
for (i = 0; i <= NODE_STATE_END; i++) {
if (xstrcasecmp(node_state_string(i), "END") == 0)
break;
if (xstrcasecmp(node_state_string(i), state_str) == 0) {
state_val = i;
break;
}
}
if (i >= NODE_STATE_END) {
if (xstrncasecmp("CLOUD", state_str, 5) == 0)
state_val = NODE_STATE_IDLE | NODE_STATE_CLOUD |
NODE_STATE_POWERED_DOWN;
else if (!xstrncasecmp("EXTERNAL", state_str, 8))
state_val = NODE_STATE_IDLE | NODE_STATE_EXTERNAL;
else if (xstrncasecmp("DRAIN", state_str, 5) == 0)
state_val = NODE_STATE_UNKNOWN | NODE_STATE_DRAIN;
else if (xstrncasecmp("FAIL", state_str, 4) == 0)
state_val = NODE_STATE_IDLE | NODE_STATE_FAIL;
}
if (state_val == NO_VAL) {
error("node %s has invalid state %s", node_name, state_str);
errno = EINVAL;
}
return state_val;
}
/* (re)set cr_node_num_cores arrays */
extern void cr_init_global_core_data(node_record_t **node_ptr, int node_cnt)
{
uint32_t n;
int prev_index = 0;
cr_fini_global_core_data();
cr_node_num_cores = xcalloc(node_cnt, sizeof(uint16_t));
cr_node_cores_offset = xcalloc(node_cnt + 1, sizeof(uint32_t));
for (n = 0; n < node_cnt; n++) {
if (!node_ptr[n])
continue;
cr_node_num_cores[n] = node_ptr[n]->tot_cores;
if (n > 0) {
cr_node_cores_offset[n] =
cr_node_cores_offset[prev_index] +
cr_node_num_cores[prev_index] ;
prev_index = n;
} else
cr_node_cores_offset[0] = 0;
}
/* an extra value is added to get the total number of cores */
/* as cr_get_coremap_offset is sometimes used to get the total */
/* number of cores in the cluster */
cr_node_cores_offset[node_cnt] = cr_node_cores_offset[prev_index] +
cr_node_num_cores[prev_index] ;
}
extern void cr_fini_global_core_data(void)
{
xfree(cr_node_num_cores);
xfree(cr_node_cores_offset);
}
/*
* Return the coremap index to the first core of the given node
*
* If node_index points to NULL record in the node_record_table_ptr, then it
* will attempt to find the next available node. If a valid node isn't found,
* then the last core offset will be returned --
* cr_node_cores_offset[node_record_count].
*/
extern uint32_t cr_get_coremap_offset(uint32_t node_index)
{
xassert(cr_node_cores_offset);
if (next_node((int *)&node_index))
return cr_node_cores_offset[node_index];
return cr_node_cores_offset[node_record_count];
}
/*
* Determine maximum number of CPUs on this node usable by a job
* ntasks_per_core IN - tasks-per-core to be launched by this job
* cpus_per_task IN - number of required CPUs per task for this job
* total_cores IN - total number of cores on this node
* total_cpus IN - total number of CPUs on this node
* RET count of usable CPUs on this node usable by this job
*/
extern int adjust_cpus_nppcu(uint16_t ntasks_per_core, int cpus_per_task,
int total_cores, int total_cpus)
{
int cpus = total_cpus;
//FIXME: This function ignores tasks-per-socket and tasks-per-node checks.
// Those parameters are tested later
if ((ntasks_per_core != 0) && (ntasks_per_core != 0xffff) &&
(cpus_per_task != 0)) {
cpus = MAX((total_cores * ntasks_per_core * cpus_per_task),
total_cpus);
}
return cpus;
}
extern char *find_hostname(uint32_t pos, char *hosts)
{
hostlist_t *hostlist = NULL;
char *temp = NULL, *host = NULL;
if (!hosts || (pos == NO_VAL) || (pos == INFINITE))
return NULL;
hostlist = hostlist_create(hosts);
temp = hostlist_nth(hostlist, pos);
if (temp) {
host = xstrdup(temp);
free(temp);
}
hostlist_destroy(hostlist);
return host;
}
extern node_record_t *next_node(int *index)
{
xassert(index);
if (!node_record_table_ptr ||
(*index >= node_record_count))
return NULL;
while (!node_record_table_ptr[*index]) {
(*index)++;
if (*index >= node_record_count)
return NULL;
if (*index > last_node_index)
return NULL;
}
xassert(node_record_table_ptr[*index]->index == *index);
return node_record_table_ptr[*index];
}
extern node_record_t *next_node_bitmap(bitstr_t *bitmap, int *index)
{
xassert(index);
if (!node_record_table_ptr ||
(*index >= node_record_count))
return NULL;
xassert(bitmap);
xassert(bit_size(bitmap) == node_record_count);
while (true) {
*index = bit_ffs_from_bit(bitmap, *index);
if (*index == -1)
return NULL;
if (node_record_table_ptr[*index])
break;
(*index)++; /* Skip blank entries */
}
xassert(node_record_table_ptr[*index]->index == *index);
return node_record_table_ptr[*index];
}
extern bitstr_t *node_conf_get_active_bitmap(void)
{
bitstr_t *b = bit_alloc(node_record_count);
node_conf_set_all_active_bits(b);
return b;
}
extern void node_conf_set_all_active_bits(bitstr_t *b)
{
for (int i = 0; next_node(&i); i++)
bit_set(b, i);
}
extern char *node_conf_nodestr_tokenize(char *s, char **save_ptr)
{
char *end;
if (s == NULL)
s = *save_ptr;
xassert(s); /* If s is NULL here we are using this function wrong */
if (*s == '\0') {
*save_ptr = s;
return NULL;
}
/* token ends with a comma not followed by a digit */
end = s;
while (*end && ((end[0] != ',') || isdigit(end[1])))
end++;
if (*end)
*end++ = '\0';
*save_ptr = end;
return s;
}
extern void node_conf_create_cluster_core_bitmap(bitstr_t **core_bitmap)
{
if (*core_bitmap)
return;
*core_bitmap = bit_alloc(cr_get_coremap_offset(node_record_count));
}
/*
* Pack node_record_t to buffer.
*
* Used for dumping node state and passing node_record_t between ctld and
* stepmgr.
*/
static void _node_record_pack(void *in, uint16_t protocol_version,
buf_t *buffer, bool pack_secrets)
{
node_record_t *object = in;
if (protocol_version >= SLURM_25_05_PROTOCOL_VERSION) {
pack_time(object->cert_last_renewal, buffer);
if (pack_secrets)
packstr(object->cert_token, buffer);
else if (object->cert_token)
packstr("set", buffer);
else
packnull(buffer);
packstr(object->comm_name, buffer);
packstr(object->name, buffer);
packstr(object->node_hostname, buffer);
packstr(object->comment, buffer);
packstr(object->extra, buffer);
packstr(object->reason, buffer);
packstr(object->features, buffer);
packstr(object->features_act, buffer);
packstr(object->gres, buffer);
packstr(object->instance_id, buffer);
packstr(object->instance_type, buffer);
packstr(object->cpu_spec_list, buffer);
pack32(object->next_state, buffer);
pack32(object->node_state, buffer);
pack32(object->cpu_bind, buffer);
pack16(object->cpus, buffer);
pack16(object->boards, buffer);
pack16(object->tot_cores, buffer);
pack16(object->tot_sockets, buffer);
pack16(object->cores, buffer);
pack16(object->core_spec_cnt, buffer);
pack64(object->mem_spec_limit, buffer);
pack16(object->threads, buffer);
pack64(object->real_memory, buffer);
pack16(object->res_cores_per_gpu, buffer);
pack_bit_str_hex(object->gpu_spec_bitmap, buffer);
pack32(object->tmp_disk, buffer);
packstr(object->topology_str, buffer);
pack32(object->reason_uid, buffer);
pack_time(object->reason_time, buffer);
pack_time(object->resume_after, buffer);
pack_time(object->boot_req_time, buffer);
pack_time(object->power_save_req_time, buffer);
pack_time(object->last_busy, buffer);
pack_time(object->last_response, buffer);
pack16(object->port, buffer);
pack16(object->protocol_version, buffer);
pack16(object->tpc, buffer);
packstr(object->mcs_label, buffer);
(void) gres_node_state_pack(object->gres_list, buffer,
protocol_version);
pack32(object->weight, buffer);
} else if (protocol_version >= SLURM_24_11_PROTOCOL_VERSION) {
if (pack_secrets)
packstr(object->cert_token, buffer);
else
packnull(buffer);
packstr(object->comm_name, buffer);
packstr(object->name, buffer);
packstr(object->node_hostname, buffer);
packstr(object->comment, buffer);
packstr(object->extra, buffer);
packstr(object->reason, buffer);
packstr(object->features, buffer);
packstr(object->features_act, buffer);
packstr(object->gres, buffer);
packstr(object->instance_id, buffer);
packstr(object->instance_type, buffer);
packstr(object->cpu_spec_list, buffer);
pack32(object->next_state, buffer);
pack32(object->node_state, buffer);
pack32(object->cpu_bind, buffer);
pack16(object->cpus, buffer);
pack16(object->boards, buffer);
pack16(object->tot_sockets, buffer);
pack16(object->cores, buffer);
pack16(object->core_spec_cnt, buffer);
pack64(object->mem_spec_limit, buffer);
pack16(object->threads, buffer);
pack64(object->real_memory, buffer);
pack16(object->res_cores_per_gpu, buffer);
pack_bit_str_hex(object->gpu_spec_bitmap, buffer);
pack32(object->tmp_disk, buffer);
pack32(object->reason_uid, buffer);
pack_time(object->reason_time, buffer);
pack_time(object->resume_after, buffer);
pack_time(object->boot_req_time, buffer);
pack_time(object->power_save_req_time, buffer);
pack_time(object->last_busy, buffer);
pack_time(object->last_response, buffer);
pack16(object->port, buffer);
pack16(object->protocol_version, buffer);
pack16(object->tpc, buffer);
packstr(object->mcs_label, buffer);
(void) gres_node_state_pack(object->gres_list, buffer,
protocol_version);
pack32(object->weight, buffer);
} else if (protocol_version >= SLURM_MIN_PROTOCOL_VERSION) {
packstr(object->comm_name, buffer);
packstr(object->name, buffer);
packstr(object->node_hostname, buffer);
packstr(object->comment, buffer);
packstr(object->extra, buffer);
packstr(object->reason, buffer);
packstr(object->features, buffer);
packstr(object->features_act, buffer);
packstr(object->gres, buffer);
packstr(object->instance_id, buffer);
packstr(object->instance_type, buffer);
packstr(object->cpu_spec_list, buffer);
pack32(object->next_state, buffer);
pack32(object->node_state, buffer);
pack32(object->cpu_bind, buffer);
pack16(object->cpus, buffer);
pack16(object->boards, buffer);
pack16(object->tot_sockets, buffer);
pack16(object->cores, buffer);
pack16(object->core_spec_cnt, buffer);
pack16(object->threads, buffer);
pack64(object->real_memory, buffer);
pack16(object->res_cores_per_gpu, buffer);
pack_bit_str_hex(object->gpu_spec_bitmap, buffer);
pack32(object->tmp_disk, buffer);
pack32(object->reason_uid, buffer);
pack_time(object->reason_time, buffer);
pack_time(object->resume_after, buffer);
pack_time(object->boot_req_time, buffer);
pack_time(object->power_save_req_time, buffer);
pack_time(object->last_busy, buffer);
pack_time(object->last_response, buffer);
pack16(object->port, buffer);
pack16(object->protocol_version, buffer);
pack16(object->tpc, buffer);
packstr(object->mcs_label, buffer);
(void) gres_node_state_pack(object->gres_list, buffer,
protocol_version);
pack32(object->weight, buffer);
}
}
extern void node_record_pack(void *in, uint16_t protocol_version,
buf_t *buffer)
{
_node_record_pack(in, protocol_version, buffer, false);
}
extern void node_record_pack_state(void *in, uint16_t protocol_version,
buf_t *buffer)
{
_node_record_pack(in, protocol_version, buffer, true);
}
extern int node_record_unpack(void **out,
uint16_t protocol_version,
buf_t *buffer)
{
node_record_t *object = xmalloc(sizeof(*object));
object->magic = NODE_MAGIC;
*out = object;
if (protocol_version >= SLURM_25_05_PROTOCOL_VERSION) {
safe_unpack_time(&object->cert_last_renewal, buffer);
safe_unpackstr(&object->cert_token, buffer);
safe_unpackstr(&object->comm_name, buffer);
safe_unpackstr(&object->name, buffer);
safe_unpackstr(&object->node_hostname, buffer);
safe_unpackstr(&object->comment, buffer);
safe_unpackstr(&object->extra, buffer);
safe_unpackstr(&object->reason, buffer);
safe_unpackstr(&object->features, buffer);
safe_unpackstr(&object->features_act, buffer);
safe_unpackstr(&object->gres, buffer);
safe_unpackstr(&object->instance_id, buffer);
safe_unpackstr(&object->instance_type, buffer);
safe_unpackstr(&object->cpu_spec_list, buffer);
safe_unpack32(&object->next_state, buffer);
safe_unpack32(&object->node_state, buffer);
safe_unpack32(&object->cpu_bind, buffer);
safe_unpack16(&object->cpus, buffer);
safe_unpack16(&object->boards, buffer);
safe_unpack16(&object->tot_cores, buffer);
safe_unpack16(&object->tot_sockets, buffer);
safe_unpack16(&object->cores, buffer);
safe_unpack16(&object->core_spec_cnt, buffer);
safe_unpack64(&object->mem_spec_limit, buffer);
safe_unpack16(&object->threads, buffer);
safe_unpack64(&object->real_memory, buffer);
safe_unpack16(&object->res_cores_per_gpu, buffer);
unpack_bit_str_hex(&object->gpu_spec_bitmap, buffer);
safe_unpack32(&object->tmp_disk, buffer);
safe_unpackstr(&object->topology_str, buffer);
safe_unpack32(&object->reason_uid, buffer);
safe_unpack_time(&object->reason_time, buffer);
safe_unpack_time(&object->resume_after, buffer);
safe_unpack_time(&object->boot_req_time, buffer);
safe_unpack_time(&object->power_save_req_time, buffer);
safe_unpack_time(&object->last_busy, buffer);
safe_unpack_time(&object->last_response, buffer);
safe_unpack16(&object->port, buffer);
safe_unpack16(&object->protocol_version, buffer);
safe_unpack16(&object->tpc, buffer);
safe_unpackstr(&object->mcs_label, buffer);
if (gres_node_state_unpack(&object->gres_list, buffer,
object->name,
protocol_version) != SLURM_SUCCESS)
goto unpack_error;
safe_unpack32(&object->weight, buffer);
} else if (protocol_version >= SLURM_24_11_PROTOCOL_VERSION) {
safe_unpackstr(&object->cert_token, buffer);
safe_unpackstr(&object->comm_name, buffer);
safe_unpackstr(&object->name, buffer);
safe_unpackstr(&object->node_hostname, buffer);
safe_unpackstr(&object->comment, buffer);
safe_unpackstr(&object->extra, buffer);
safe_unpackstr(&object->reason, buffer);
safe_unpackstr(&object->features, buffer);
safe_unpackstr(&object->features_act, buffer);
safe_unpackstr(&object->gres, buffer);
safe_unpackstr(&object->instance_id, buffer);
safe_unpackstr(&object->instance_type, buffer);
safe_unpackstr(&object->cpu_spec_list, buffer);
safe_unpack32(&object->next_state, buffer);
safe_unpack32(&object->node_state, buffer);
safe_unpack32(&object->cpu_bind, buffer);
safe_unpack16(&object->cpus, buffer);
safe_unpack16(&object->boards, buffer);
safe_unpack16(&object->tot_sockets, buffer);
safe_unpack16(&object->cores, buffer);
safe_unpack16(&object->core_spec_cnt, buffer);
safe_unpack64(&object->mem_spec_limit, buffer);
safe_unpack16(&object->threads, buffer);
safe_unpack64(&object->real_memory, buffer);
safe_unpack16(&object->res_cores_per_gpu, buffer);
unpack_bit_str_hex(&object->gpu_spec_bitmap, buffer);
safe_unpack32(&object->tmp_disk, buffer);
safe_unpack32(&object->reason_uid, buffer);
safe_unpack_time(&object->reason_time, buffer);
safe_unpack_time(&object->resume_after, buffer);
safe_unpack_time(&object->boot_req_time, buffer);
safe_unpack_time(&object->power_save_req_time, buffer);
safe_unpack_time(&object->last_busy, buffer);
safe_unpack_time(&object->last_response, buffer);
safe_unpack16(&object->port, buffer);
safe_unpack16(&object->protocol_version, buffer);
safe_unpack16(&object->tpc, buffer);
safe_unpackstr(&object->mcs_label, buffer);
if (gres_node_state_unpack(&object->gres_list, buffer,
object->name, protocol_version) !=
SLURM_SUCCESS)
goto unpack_error;
safe_unpack32(&object->weight, buffer);
object->tot_cores = object->tot_sockets * object->cores;
} else if (protocol_version >= SLURM_MIN_PROTOCOL_VERSION) {
safe_unpackstr(&object->comm_name, buffer);
safe_unpackstr(&object->name, buffer);
safe_unpackstr(&object->node_hostname, buffer);
safe_unpackstr(&object->comment, buffer);
safe_unpackstr(&object->extra, buffer);
safe_unpackstr(&object->reason, buffer);
safe_unpackstr(&object->features, buffer);
safe_unpackstr(&object->features_act, buffer);
safe_unpackstr(&object->gres, buffer);
safe_unpackstr(&object->instance_id, buffer);
safe_unpackstr(&object->instance_type, buffer);
safe_unpackstr(&object->cpu_spec_list, buffer);
safe_unpack32(&object->next_state, buffer);
safe_unpack32(&object->node_state, buffer);
safe_unpack32(&object->cpu_bind, buffer);
safe_unpack16(&object->cpus, buffer);
safe_unpack16(&object->boards, buffer);
safe_unpack16(&object->tot_sockets, buffer);
safe_unpack16(&object->cores, buffer);
safe_unpack16(&object->core_spec_cnt, buffer);
safe_unpack16(&object->threads, buffer);
safe_unpack64(&object->real_memory, buffer);
safe_unpack16(&object->res_cores_per_gpu, buffer);
unpack_bit_str_hex(&object->gpu_spec_bitmap, buffer);
safe_unpack32(&object->tmp_disk, buffer);
safe_unpack32(&object->reason_uid, buffer);
safe_unpack_time(&object->reason_time, buffer);
safe_unpack_time(&object->resume_after, buffer);
safe_unpack_time(&object->boot_req_time, buffer);
safe_unpack_time(&object->power_save_req_time, buffer);
safe_unpack_time(&object->last_busy, buffer);
safe_unpack_time(&object->last_response, buffer);
safe_unpack16(&object->port, buffer);
safe_unpack16(&object->protocol_version, buffer);
safe_unpack16(&object->tpc, buffer);
safe_unpackstr(&object->mcs_label, buffer);
if (gres_node_state_unpack(&object->gres_list, buffer,
object->name, protocol_version) !=
SLURM_SUCCESS)
goto unpack_error;
safe_unpack32(&object->weight, buffer);
object->tot_cores = object->tot_sockets * object->cores;
} else {
error("%s: protocol_version %hu not supported",
__func__, protocol_version);
goto unpack_error;
}
return SLURM_SUCCESS;
unpack_error:
purge_node_rec(object);
*out = NULL;
return SLURM_ERROR;
}
extern config_record_t *config_record_from_node_record(node_record_t *node_ptr)
{
config_record_t *config_ptr = create_config_record();
config_ptr->boards = node_ptr->boards;
config_ptr->core_spec_cnt = node_ptr->core_spec_cnt;
config_ptr->mem_spec_limit = node_ptr->mem_spec_limit;
config_ptr->cores = node_ptr->cores;
config_ptr->cpu_spec_list = xstrdup(node_ptr->cpu_spec_list);
config_ptr->cpus = node_ptr->cpus;
config_ptr->feature = xstrdup(node_ptr->features);
config_ptr->gres = xstrdup(node_ptr->gres);
config_ptr->node_bitmap = bit_alloc(node_record_count);
config_ptr->nodes = xstrdup(node_ptr->name);
config_ptr->real_memory = node_ptr->real_memory;
config_ptr->res_cores_per_gpu = node_ptr->res_cores_per_gpu;
config_ptr->threads = node_ptr->threads;
config_ptr->tmp_disk = node_ptr->tmp_disk;
config_ptr->topology_str = xstrdup(node_ptr->topology_str);
config_ptr->tot_sockets = node_ptr->tot_sockets;
config_ptr->weight = node_ptr->weight;
return config_ptr;
}
/*
* list_find_feature - find an entry in the feature list, see list.h for
* documentation
* IN key - is feature name or NULL for all features
* RET 1 if found, 0 otherwise
*/
extern int list_find_feature(void *feature_entry, void *key)
{
node_feature_t *feature_ptr = feature_entry;
if (!key)
return 1;
return !xstrcmp(feature_ptr->name, (char *) key);
}