int orte_ras_base_add_hosts(orte_job_t *jdata)
{
int rc;
opal_list_t nodes;
int i;
orte_app_context_t *app;
/* construct a list to hold the results */
OBJ_CONSTRUCT(&nodes, opal_list_t);
/* Individual add-hostfile names, if given, are included
* in the app_contexts for this job. We therefore need to
* retrieve the app_contexts for the job, and then cycle
* through them to see if anything is there. The parser will
* add the nodes found in each add-hostfile to our list - i.e.,
* the resulting list contains the UNION of all nodes specified
* in add-hostfiles from across all app_contexts
*
* Note that any relative node syntax found in the add-hostfiles will
* generate an error in this scenario, so only non-relative syntax
* can be present
*/
for (i=0; i < jdata->apps->size; i++) {
if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, i))) {
continue;
}
if (NULL != app->add_hostfile) {
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:add_hosts checking add-hostfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
app->add_hostfile));
/* hostfile was specified - parse it and add it to the list */
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
app->add_hostfile))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
return rc;
}
/* now indicate that this app is to run across it */
app->hostfile = app->add_hostfile;
app->add_hostfile = NULL;
}
}
/* We next check for and add any add-host options. Note this is
* a -little- different than dash-host in that (a) we add these
* nodes to the global pool regardless of what may already be there,
* and (b) as a result, any job and/or app_context can access them.
*
* Note that any relative node syntax found in the add-host lists will
* generate an error in this scenario, so only non-relative syntax
* can be present
*/
for (i=0; i < jdata->apps->size; i++) {
if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, i))) {
continue;
}
if (NULL != app->add_host) {
if (4 < opal_output_get_verbosity(orte_ras_base_framework.framework_output)) {
char *fff = opal_argv_join(app->add_host, ',');
opal_output(0, "%s ras:base:add_hosts checking add-host %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), fff);
free(fff);
}
if (ORTE_SUCCESS != (rc = orte_util_add_dash_host_nodes(&nodes,
app->add_host))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
return rc;
}
/* now indicate that this app is to run across them */
app->dash_host = app->add_host;
app->add_host = NULL;
}
}
/* if something was found, we add that to our global pool */
if (!opal_list_is_empty(&nodes)) {
/* store the results in the global resource pool - this removes the
* list items
*/
if (ORTE_SUCCESS != (rc = orte_ras_base_node_insert(&nodes, jdata))) {
ORTE_ERROR_LOG(rc);
}
/* cleanup */
OBJ_DESTRUCT(&nodes);
}
/* shall we display the results? */
if (0 < opal_output_get_verbosity(orte_ras_base_framework.framework_output)) {
orte_ras_base_display_alloc();
}
return ORTE_SUCCESS;
}
/*
* Query the registry for all nodes allocated to a specified app_context
*/
int orte_rmaps_base_get_target_nodes(opal_list_t *allocated_nodes, orte_std_cntr_t *total_num_slots,
orte_app_context_t *app, orte_mapping_policy_t policy,
bool initial_map, bool silent)
{
opal_list_item_t *item, *next;
orte_node_t *node, *nd, *nptr;
orte_std_cntr_t num_slots;
orte_std_cntr_t i;
int rc;
orte_job_t *daemons;
bool novm;
opal_list_t nodes;
char *hosts;
/** set default answer */
*total_num_slots = 0;
/* get the daemon job object */
daemons = orte_get_job_data_object(ORTE_PROC_MY_NAME->jobid);
/* see if we have a vm or not */
novm = orte_get_attribute(&daemons->attributes, ORTE_JOB_NO_VM, NULL, OPAL_BOOL);
/* if this is NOT a managed allocation, then we use the nodes
* that were specified for this app - there is no need to collect
* all available nodes and "filter" them
*/
if (!orte_managed_allocation) {
OBJ_CONSTRUCT(&nodes, opal_list_t);
/* if the app provided a dash-host, and we are not treating
* them as requested or "soft" locations, then use those nodes
*/
hosts = NULL;
if (!orte_soft_locations &&
orte_get_attribute(&app->attributes, ORTE_APP_DASH_HOST, (void**)&hosts, OPAL_STRING)) {
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s using dash_host %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hosts));
if (ORTE_SUCCESS != (rc = orte_util_add_dash_host_nodes(&nodes, hosts, false))) {
ORTE_ERROR_LOG(rc);
free(hosts);
return rc;
}
free(hosts);
} else if (orte_get_attribute(&app->attributes, ORTE_APP_HOSTFILE, (void**)&hosts, OPAL_STRING)) {
/* otherwise, if the app provided a hostfile, then use that */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s using hostfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hosts));
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes, hosts))) {
free(hosts);
ORTE_ERROR_LOG(rc);
return rc;
}
free(hosts);
} else if (NULL != orte_rankfile) {
/* use the rankfile, if provided */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s using rankfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
orte_rankfile));
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
orte_rankfile))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (0 == opal_list_get_size(&nodes)) {
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s nothing found in given rankfile",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
OBJ_DESTRUCT(&nodes);
return ORTE_ERR_BAD_PARAM;
}
} else if (NULL != orte_default_hostfile) {
/* fall back to the default hostfile, if provided */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s using default hostfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
orte_default_hostfile));
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
orte_default_hostfile))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* this is a special case - we always install a default
* hostfile, but it is empty. If the user didn't remove it
* or put something into it, then we will have pursued that
* option and found nothing. This isn't an error, we just need
* to add all the known nodes
*/
if (0 == opal_list_get_size(&nodes)) {
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s nothing in default hostfile - using known nodes",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
goto addknown;
}
} else {
/* if nothing else was available, then use all known nodes, which
* will include ourselves
*/
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s using known nodes",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
goto addknown;
}
/** if we still don't have anything */
if (0 == opal_list_get_size(&nodes)) {
if (!silent) {
orte_show_help("help-orte-rmaps-base.txt",
"orte-rmaps-base:no-available-resources",
true);
}
OBJ_DESTRUCT(&nodes);
return ORTE_ERR_SILENT;
}
/* find the nodes in our node array and assemble them
* in daemon order if the vm was launched
*/
while (NULL != (item = opal_list_remove_first(&nodes))) {
nptr = (orte_node_t*)item;
nd = NULL;
for (i=0; i < orte_node_pool->size; i++) {
if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
continue;
}
if (0 != strcmp(node->name, nptr->name)) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s DOESNT MATCH NODE %s",
node->name, nptr->name));
continue;
}
/* ignore nodes that are marked as do-not-use for this mapping */
if (ORTE_NODE_STATE_DO_NOT_USE == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS MARKED NO_USE", node->name));
/* reset the state so it can be used another time */
node->state = ORTE_NODE_STATE_UP;
continue;
}
if (ORTE_NODE_STATE_DOWN == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS DOWN", node->name));
continue;
}
if (ORTE_NODE_STATE_NOT_INCLUDED == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS MARKED NO_INCLUDE", node->name));
/* not to be used */
continue;
}
/* if this node wasn't included in the vm (e.g., by -host), ignore it,
* unless we are mapping prior to launching the vm
*/
if (NULL == node->daemon && !novm) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s HAS NO DAEMON", node->name));
continue;
}
/* retain a copy for our use in case the item gets
* destructed along the way
*/
OBJ_RETAIN(node);
if (initial_map) {
/* if this is the first app_context we
* are getting for an initial map of a job,
* then mark all nodes as unmapped
*/
ORTE_FLAG_UNSET(node, ORTE_NODE_FLAG_MAPPED);
}
if (NULL == nd || NULL == nd->daemon ||
NULL == node->daemon ||
nd->daemon->name.vpid < node->daemon->name.vpid) {
/* just append to end */
opal_list_append(allocated_nodes, &node->super);
nd = node;
} else {
/* starting from end, put this node in daemon-vpid order */
while (node->daemon->name.vpid < nd->daemon->name.vpid) {
if (opal_list_get_begin(allocated_nodes) == opal_list_get_prev(&nd->super)) {
/* insert at beginning */
opal_list_prepend(allocated_nodes, &node->super);
goto moveon1;
}
nd = (orte_node_t*)opal_list_get_prev(&nd->super);
}
item = opal_list_get_next(&nd->super);
if (item == opal_list_get_end(allocated_nodes)) {
/* we are at the end - just append */
opal_list_append(allocated_nodes, &node->super);
} else {
nd = (orte_node_t*)item;
opal_list_insert_pos(allocated_nodes, item, &node->super);
}
moveon1:
/* reset us back to the end for the next node */
nd = (orte_node_t*)opal_list_get_last(allocated_nodes);
}
}
OBJ_RELEASE(nptr);
}
OBJ_DESTRUCT(&nodes);
/* now prune for usage and compute total slots */
goto complete;
}
addknown:
/* if the hnp was allocated, include it unless flagged not to */
if (orte_hnp_is_allocated && !(ORTE_GET_MAPPING_DIRECTIVE(policy) & ORTE_MAPPING_NO_USE_LOCAL)) {
if (NULL != (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, 0))) {
if (ORTE_NODE_STATE_DO_NOT_USE == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"HNP IS MARKED NO_USE"));
/* clear this for future use, but don't include it */
node->state = ORTE_NODE_STATE_UP;
} else if (ORTE_NODE_STATE_NOT_INCLUDED != node->state) {
OBJ_RETAIN(node);
if (initial_map) {
/* if this is the first app_context we
* are getting for an initial map of a job,
* then mark all nodes as unmapped
*/
ORTE_FLAG_UNSET(node, ORTE_NODE_FLAG_MAPPED);
}
opal_list_append(allocated_nodes, &node->super);
}
}
}
/* add everything in the node pool that can be used - add them
* in daemon order, which may be different than the order in the
* node pool. Since an empty list is passed into us, the list at
* this point either has the HNP node or nothing, and the HNP
* node obviously has a daemon on it (us!)
*/
if (0 == opal_list_get_size(allocated_nodes)) {
/* the list is empty */
nd = NULL;
} else {
nd = (orte_node_t*)opal_list_get_last(allocated_nodes);
}
for (i=1; i < orte_node_pool->size; i++) {
if (NULL != (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
/* ignore nodes that are marked as do-not-use for this mapping */
if (ORTE_NODE_STATE_DO_NOT_USE == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS MARKED NO_USE", node->name));
/* reset the state so it can be used another time */
node->state = ORTE_NODE_STATE_UP;
continue;
}
if (ORTE_NODE_STATE_DOWN == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS MARKED DOWN", node->name));
continue;
}
if (ORTE_NODE_STATE_NOT_INCLUDED == node->state) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s IS MARKED NO_INCLUDE", node->name));
/* not to be used */
continue;
}
/* if this node wasn't included in the vm (e.g., by -host), ignore it,
* unless we are mapping prior to launching the vm
*/
if (NULL == node->daemon && !novm) {
OPAL_OUTPUT_VERBOSE((10, orte_rmaps_base_framework.framework_output,
"NODE %s HAS NO DAEMON", node->name));
continue;
}
/* retain a copy for our use in case the item gets
* destructed along the way
*/
OBJ_RETAIN(node);
if (initial_map) {
/* if this is the first app_context we
* are getting for an initial map of a job,
* then mark all nodes as unmapped
*/
ORTE_FLAG_UNSET(node, ORTE_NODE_FLAG_MAPPED);
}
if (NULL == nd || NULL == nd->daemon ||
NULL == node->daemon ||
nd->daemon->name.vpid < node->daemon->name.vpid) {
/* just append to end */
opal_list_append(allocated_nodes, &node->super);
nd = node;
} else {
/* starting from end, put this node in daemon-vpid order */
while (node->daemon->name.vpid < nd->daemon->name.vpid) {
if (opal_list_get_begin(allocated_nodes) == opal_list_get_prev(&nd->super)) {
/* insert at beginning */
opal_list_prepend(allocated_nodes, &node->super);
goto moveon;
}
nd = (orte_node_t*)opal_list_get_prev(&nd->super);
}
item = opal_list_get_next(&nd->super);
if (item == opal_list_get_end(allocated_nodes)) {
/* we are at the end - just append */
opal_list_append(allocated_nodes, &node->super);
} else {
nd = (orte_node_t*)item;
opal_list_insert_pos(allocated_nodes, item, &node->super);
}
moveon:
/* reset us back to the end for the next node */
nd = (orte_node_t*)opal_list_get_last(allocated_nodes);
}
}
}
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s Starting with %d nodes in list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(int)opal_list_get_size(allocated_nodes)));
/** check that anything is here */
if (0 == opal_list_get_size(allocated_nodes)) {
if (!silent) {
orte_show_help("help-orte-rmaps-base.txt",
"orte-rmaps-base:no-available-resources",
true);
}
return ORTE_ERR_SILENT;
}
/* filter the nodes thru any hostfile and dash-host options */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s Filtering thru apps",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
if (ORTE_SUCCESS != (rc = orte_rmaps_base_filter_nodes(app, allocated_nodes, true))
&& ORTE_ERR_TAKE_NEXT_OPTION != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s Retained %d nodes in list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(int)opal_list_get_size(allocated_nodes)));
complete:
/* remove all nodes that are already at max usage, and
* compute the total number of allocated slots while
* we do so */
num_slots = 0;
item = opal_list_get_first(allocated_nodes);
while (item != opal_list_get_end(allocated_nodes)) {
/** save the next pointer in case we remove this node */
next = opal_list_get_next(item);
/** check to see if this node is fully used - remove if so */
node = (orte_node_t*)item;
if (0 != node->slots_max && node->slots_inuse > node->slots_max) {
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s Removing node %s: max %d inuse %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, node->slots_max, node->slots_inuse));
opal_list_remove_item(allocated_nodes, item);
OBJ_RELEASE(item); /* "un-retain" it */
} else if (node->slots <= node->slots_inuse &&
(ORTE_MAPPING_NO_OVERSUBSCRIBE & ORTE_GET_MAPPING_DIRECTIVE(policy))) {
/* remove the node as fully used */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s Removing node %s slots %d inuse %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, node->slots, node->slots_inuse));
opal_list_remove_item(allocated_nodes, item);
OBJ_RELEASE(item); /* "un-retain" it */
} else if (node->slots > node->slots_inuse) {
/* add the available slots */
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s node %s has %d slots available",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, node->slots - node->slots_inuse));
num_slots += node->slots - node->slots_inuse;
} else if (!(ORTE_MAPPING_NO_OVERSUBSCRIBE & ORTE_GET_MAPPING_DIRECTIVE(policy))) {
/* nothing needed to do here - we don't add slots to the
* count as we don't have any available. Just let the mapper
* do what it needs to do to meet the request
*/
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base_framework.framework_output,
"%s node %s is fully used, but available for oversubscrition",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name));
} else {
/* if we cannot use it, remove it from list */
opal_list_remove_item(allocated_nodes, item);
OBJ_RELEASE(item); /* "un-retain" it */
}
/** go on to next item */
item = next;
}
/* Sanity check to make sure we have resources available */
if (0 == opal_list_get_size(allocated_nodes)) {
if (silent) {
/* let the caller know that the resources exist,
* but are currently busy
*/
return ORTE_ERR_RESOURCE_BUSY;
} else {
orte_show_help("help-orte-rmaps-base.txt",
"orte-rmaps-base:all-available-resources-used", true);
return ORTE_ERR_SILENT;
}
}
/* pass back the total number of available slots */
*total_num_slots = num_slots;
if (4 < opal_output_get_verbosity(orte_rmaps_base_framework.framework_output)) {
opal_output(0, "AVAILABLE NODES FOR MAPPING:");
for (item = opal_list_get_first(allocated_nodes);
item != opal_list_get_end(allocated_nodes);
item = opal_list_get_next(item)) {
node = (orte_node_t*)item;
opal_output(0, " node: %s daemon: %s", node->name,
(NULL == node->daemon) ? "NULL" : ORTE_VPID_PRINT(node->daemon->name.vpid));
}
}
return ORTE_SUCCESS;
}
/*
* Function for selecting one component from all those that are
* available.
*/
void orte_ras_base_allocate(int fd, short args, void *cbdata)
{
int rc;
orte_job_t *jdata;
opal_list_t nodes;
orte_node_t *node;
orte_std_cntr_t i;
orte_app_context_t *app;
orte_state_caddy_t *caddy = (orte_state_caddy_t*)cbdata;
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* convenience */
jdata = caddy->jdata;
/* if we already did this, don't do it again - the pool of
* global resources is set.
*/
if (orte_ras_base.allocation_read) {
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate allocation already read",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
goto next_state;
}
orte_ras_base.allocation_read = true;
/* Otherwise, we have to create
* the initial set of resources that will delineate all
* further operations serviced by this HNP. This list will
* contain ALL nodes that can be used by any subsequent job.
*
* In other words, if a node isn't found in this step, then
* no job launched by this HNP will be able to utilize it.
*/
/* construct a list to hold the results */
OBJ_CONSTRUCT(&nodes, opal_list_t);
/* if a component was selected, then we know we are in a managed
* environment. - the active module will return a list of what it found
*/
if (NULL != orte_ras_base.active_module) {
/* read the allocation */
if (ORTE_SUCCESS != (rc = orte_ras_base.active_module->allocate(jdata, &nodes))) {
if (ORTE_ERR_ALLOCATION_PENDING == rc) {
/* an allocation request is underway, so just do nothing */
OBJ_DESTRUCT(&nodes);
OBJ_RELEASE(caddy);
return;
}
if (ORTE_ERR_SYSTEM_WILL_BOOTSTRAP == rc) {
/* this module indicates that nodes will be discovered
* on a bootstrap basis, so all we do here is add our
* own node to the list
*/
goto addlocal;
}
if (ORTE_ERR_TAKE_NEXT_OPTION == rc) {
/* we have an active module, but it is unable to
* allocate anything for this job - this indicates
* that it isn't a fatal error, but could be if
* an allocation is required
*/
if (orte_allocation_required) {
/* an allocation is required, so this is fatal */
OBJ_DESTRUCT(&nodes);
orte_show_help("help-ras-base.txt", "ras-base:no-allocation", true);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
} else {
/* an allocation is not required, so we can just
* run on the local node - go add it
*/
goto addlocal;
}
}
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
}
/* If something came back, save it and we are done */
if (!opal_list_is_empty(&nodes)) {
/* store the results in the global resource pool - this removes the
* list items
*/
if (ORTE_SUCCESS != (rc = orte_ras_base_node_insert(&nodes, jdata))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
OBJ_DESTRUCT(&nodes);
/* default to no-oversubscribe-allowed for managed systems */
if (!(ORTE_MAPPING_SUBSCRIBE_GIVEN & ORTE_GET_MAPPING_DIRECTIVE(orte_rmaps_base.mapping))) {
ORTE_SET_MAPPING_DIRECTIVE(orte_rmaps_base.mapping, ORTE_MAPPING_NO_OVERSUBSCRIBE);
}
/* flag that the allocation is managed */
orte_managed_allocation = true;
goto DISPLAY;
} else if (orte_allocation_required) {
/* if nothing was found, and an allocation is
* required, then error out
*/
OBJ_DESTRUCT(&nodes);
orte_show_help("help-ras-base.txt", "ras-base:no-allocation", true);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate nothing found in module - proceeding to hostfile",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* nothing was found, or no active module was alive. Our next
* option is to look for a hostfile and assign our global
* pool from there.
*
* Individual hostfile names, if given, are included
* in the app_contexts for this job. We therefore need to
* retrieve the app_contexts for the job, and then cycle
* through them to see if anything is there. The parser will
* add the nodes found in each hostfile to our list - i.e.,
* the resulting list contains the UNION of all nodes specified
* in hostfiles from across all app_contexts
*
* We then continue to add any hosts provided by dash-host and
* the default hostfile, if we have it. We will then filter out
* all the non-desired hosts (i.e., those not specified by
* -host and/or -hostfile) when we start the mapping process
*
* Note that any relative node syntax found in the hostfiles will
* generate an error in this scenario, so only non-relative syntax
* can be present
*/
if (NULL != orte_default_hostfile) {
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate parsing default hostfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
orte_default_hostfile));
/* a default hostfile was provided - parse it */
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
orte_default_hostfile))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
}
for (i=0; i < jdata->apps->size; i++) {
if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, i))) {
continue;
}
if (NULL != app->hostfile) {
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate adding hostfile %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
app->hostfile));
/* hostfile was specified - parse it and add it to the list */
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
app->hostfile))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
/* set an error event */
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
} else if (!orte_soft_locations && NULL != app->dash_host) {
/* if we are using soft locations, then any dash-host would
* just include desired nodes and not required. We don't want
* to pick them up here as this would mean the request was
* always satisfied - instead, we want to allow the request
* to fail later on and use whatever nodes are actually
* available
*/
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate adding dash_hosts",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
if (ORTE_SUCCESS != (rc = orte_util_add_dash_host_nodes(&nodes,
app->dash_host))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
}
}
/* if something was found in the hostfile(s), we use that as our global
* pool - set it and we are done
*/
if (!opal_list_is_empty(&nodes)) {
/* store the results in the global resource pool - this removes the
* list items
*/
if (ORTE_SUCCESS != (rc = orte_ras_base_node_insert(&nodes, jdata))) {
ORTE_ERROR_LOG(rc);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
/* cleanup */
OBJ_DESTRUCT(&nodes);
goto DISPLAY;
}
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate nothing found in hostfiles - checking for rankfile",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* Our next option is to look for a rankfile - if one was provided, we
* will use its nodes to create a default allocation pool
*/
if (NULL != orte_rankfile) {
/* check the rankfile for node information */
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&nodes,
orte_rankfile))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return ;
}
}
/* if something was found in rankfile, we use that as our global
* pool - set it and we are done
*/
if (!opal_list_is_empty(&nodes)) {
/* store the results in the global resource pool - this removes the
* list items
*/
if (ORTE_SUCCESS != (rc = orte_ras_base_node_insert(&nodes, jdata))) {
ORTE_ERROR_LOG(rc);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
/* rankfile is considered equivalent to an RM allocation */
if (!(ORTE_MAPPING_SUBSCRIBE_GIVEN & ORTE_GET_MAPPING_DIRECTIVE(orte_rmaps_base.mapping))) {
ORTE_SET_MAPPING_DIRECTIVE(orte_rmaps_base.mapping, ORTE_MAPPING_NO_OVERSUBSCRIBE);
}
/* cleanup */
OBJ_DESTRUCT(&nodes);
goto DISPLAY;
}
OPAL_OUTPUT_VERBOSE((5, orte_ras_base_framework.framework_output,
"%s ras:base:allocate nothing found in rankfile - inserting current node",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
addlocal:
/* if nothing was found by any of the above methods, then we have no
* earthly idea what to do - so just add the local host
*/
node = OBJ_NEW(orte_node_t);
if (NULL == node) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
/* use the same name we got in orte_process_info so we avoid confusion in
* the session directories
*/
node->name = strdup(orte_process_info.nodename);
node->state = ORTE_NODE_STATE_UP;
node->slots_inuse = 0;
node->slots_max = 0;
node->slots = 1;
opal_list_append(&nodes, &node->super);
/* store the results in the global resource pool - this removes the
* list items
*/
if (ORTE_SUCCESS != (rc = orte_ras_base_node_insert(&nodes, jdata))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&nodes);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
return;
}
OBJ_DESTRUCT(&nodes);
DISPLAY:
/* shall we display the results? */
if (4 < opal_output_get_verbosity(orte_ras_base_framework.framework_output)) {
orte_ras_base_display_alloc();
}
next_state:
/* are we to report this event? */
if (orte_report_events) {
if (ORTE_SUCCESS != (rc = orte_util_comm_report_event(ORTE_COMM_EVENT_ALLOCATE))) {
ORTE_ERROR_LOG(rc);
ORTE_FORCED_TERMINATE(ORTE_ERROR_DEFAULT_EXIT_CODE);
OBJ_RELEASE(caddy);
}
}
/* set total slots alloc */
jdata->total_slots_alloc = orte_ras_base.total_slots_alloc;
/* set the job state to the next position */
ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_ALLOCATION_COMPLETE);
/* cleanup */
OBJ_RELEASE(caddy);
}
int orte_rmaps_base_setup_virtual_machine(orte_job_t *jdata)
{
orte_job_t *jdat;
orte_node_t *node;
orte_proc_t *proc;
orte_job_map_t *map;
opal_list_t node_list;
opal_list_item_t *item;
orte_app_context_t *app;
orte_std_cntr_t num_slots;
int rc, i, n;
bool ignored;
/* get the daemon app if provided - may include -host or hostfile
* info about available nodes
*/
app = (orte_app_context_t *) opal_pointer_array_get_item(jdata->apps, 0);
map = jdata->map;
/* get the list of all available nodes that do not already
* have a daemon on them
*/
OBJ_CONSTRUCT(&node_list, opal_list_t);
if (ORTE_SUCCESS != (rc = orte_rmaps_base_get_target_nodes(&node_list, &num_slots,
app, map->policy))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&node_list);
return rc;
}
/* check all other known jobs to see if they have something to
* add to the allocation - we won't have seen these and the
* daemon job won't have any in its app
*/
for (i=0; i < orte_job_data->size; i++) {
if (NULL == (jdat = (orte_job_t*)opal_pointer_array_get_item(orte_job_data, i))) {
continue;
}
for (n=0; n < jdat->apps->size; n++) {
if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdat->apps, n))) {
continue;
}
if (NULL != app->hostfile) {
/* hostfile was specified - parse it and add it to the list. The
* function automatically ignores duplicates
*/
if (ORTE_SUCCESS != (rc = orte_util_add_hostfile_nodes(&node_list,
&ignored,
app->hostfile))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&node_list);
return rc;
}
}
if (NULL != app->dash_host) {
/* parse and add to list, ignoring duplicates */
if (ORTE_SUCCESS != (rc = orte_util_add_dash_host_nodes(&node_list,
&ignored,
app->dash_host))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&node_list);
return rc;
}
}
}
}
/* add all these nodes to the map */
while (NULL != (item = opal_list_remove_first(&node_list))) {
node = (orte_node_t*)item;
/* if this is my node, ignore it - we are already here */
if (0 == strcmp(node->name, orte_process_info.nodename)) {
continue;
}
opal_pointer_array_add(map->nodes, (void*)node);
++(map->num_nodes);
/* if this node already has a daemon, release that object
* to maintain bookkeeping
*/
if (NULL != node->daemon) {
OBJ_RELEASE(node->daemon);
}
/* create a new daemon object for this node */
proc = OBJ_NEW(orte_proc_t);
if (NULL == proc) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
proc->name.jobid = ORTE_PROC_MY_HNP->jobid;
if (ORTE_VPID_MAX-1 <= jdata->num_procs) {
/* no more daemons available */
orte_show_help("help-orte-rmaps-base.txt", "out-of-vpids", true);
OBJ_RELEASE(proc);
return ORTE_ERR_OUT_OF_RESOURCE;
}
proc->name.vpid = jdata->num_procs; /* take the next available vpid */
ORTE_EPOCH_SET(proc->name.epoch,ORTE_EPOCH_INVALID);
ORTE_EPOCH_SET(proc->name.epoch,orte_ess.proc_get_epoch(&proc->name));
proc->node = node;
proc->nodename = node->name;
OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base.rmaps_output,
"%s rmaps:base:setup_vm add new daemon %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&proc->name)));
/* add the daemon to the daemon job object */
if (0 > (rc = opal_pointer_array_add(jdata->procs, (void*)proc))) {
ORTE_ERROR_LOG(rc);
return rc;
}
++jdata->num_procs;
/* point the node to the daemon */
node->daemon = proc;
OBJ_RETAIN(proc); /* maintain accounting */
/* track number of daemons to be launched */
++map->num_new_daemons;
/* and their starting vpid */
if (ORTE_VPID_INVALID == map->daemon_vpid_start) {
map->daemon_vpid_start = proc->name.vpid;
}
}
OBJ_DESTRUCT(&node_list);
return ORTE_SUCCESS;
}
