975 строки
34 KiB
C
975 строки
34 KiB
C
/* -*- C -*-
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*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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*/
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/**
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* @file:
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* Part of the bproc launcher. See pls_bproc.h for an overview of how it works.
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*/
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#include "orte_config.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <string.h>
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#include "opal/event/event.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/util/argv.h"
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#include "opal/util/output.h"
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#include "opal/util/opal_environ.h"
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#include "opal/util/path.h"
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#include "opal/util/show_help.h"
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#include "orte/util/sys_info.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/iof/iof.h"
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#include "orte/mca/ns/base/base.h"
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#include "orte/mca/sds/base/base.h"
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#include "orte/mca/oob/base/base.h"
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#include "orte/mca/ras/base/base.h"
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#include "orte/mca/rmgr/base/base.h"
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#include "orte/mca/rmaps/base/base.h"
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#include "orte/mca/rmaps/base/rmaps_base_map.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/soh/base/base.h"
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#include "orte/runtime/orte_wait.h"
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#include "orte/runtime/runtime.h"
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#include "pls_bproc.h"
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/**
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* Our current evironment
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*/
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extern char **environ;
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/**
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* Initialization of the bproc module with all the needed function pointers
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*/
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orte_pls_base_module_t orte_pls_bproc_module = {
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orte_pls_bproc_launch,
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orte_pls_bproc_terminate_job,
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orte_pls_bproc_terminate_proc,
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orte_pls_bproc_finalize
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};
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static int orte_pls_bproc_node_array(orte_rmaps_base_map_t* map,
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int ** node_array, int * node_array_len);
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static int orte_pls_bproc_node_list(int * node_array, int node_array_len,
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int ** node_list, int * num_nodes,
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int num_procs);
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static int orte_pls_bproc_setup_io(orte_jobid_t jobid, struct bproc_io_t * io,
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int node_rank, int app_context);
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static void orte_pls_bproc_waitpid_cb(pid_t wpid, int status, void *data);
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static void orte_pls_bproc_waitpid_daemon_cb(pid_t wpid, int status, void *data);
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#ifdef MCA_pls_bproc_scyld
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/* compatibility functions for scyld bproc and pre 3.2.0 LANL bproc */
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static int bproc_vexecmove_io(int nnodes, int *nodes, int *pids,
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struct bproc_io_t *io, int iolen, const char *cmd,
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char * const argv[], char * envp[]);
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static int bproc_vexecmove(int nnodes, int *nodes, int *pids, const char *cmd,
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char * const argv[], char * envp[]);
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#endif
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static void orte_pls_bproc_setup_env(char *** env, size_t * num_env);
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static int orte_pls_bproc_launch_daemons(orte_cellid_t cellid, char *** envp,
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int ** node_arrays, int * node_array_lens,
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int num_contexts, int num_procs,
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orte_vpid_t global_vpid_start,
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orte_jobid_t jobid);
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static int orte_pls_bproc_launch_app(orte_cellid_t cellid, orte_jobid_t jobid,
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orte_rmaps_base_map_t* map, int num_processes,
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orte_vpid_t vpid_start,
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orte_vpid_t global_vpid_start,
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int app_context,
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int * node_array, int node_array_len);
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/**
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* creates an array that is indexed by the node number and each entry contains the
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* number of processes that will be launched on that node.
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*
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* @param map single context mapping
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* @param node_array a pointer to put the node array into
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* @param node_array_len returns the length of the array
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* @retval >=0 the number of processes
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* @retval <0 orte err
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*/
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static int orte_pls_bproc_node_array(orte_rmaps_base_map_t* map,
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int ** node_array, int * node_array_len) {
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opal_list_item_t* item;
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int num_procs = 0;
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int num_on_node;
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*node_array_len = 0;
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for(item = opal_list_get_first(&map->nodes);
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item != opal_list_get_end(&map->nodes);
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item = opal_list_get_next(item)) {
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if(*node_array_len < atol(((orte_rmaps_base_node_t*)item)->node->node_name)) {
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*node_array_len = atol(((orte_rmaps_base_node_t*)item)->node->node_name);
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}
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}
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(*node_array_len)++;
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/* build the node array */
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*node_array = (int*)malloc(sizeof(int) * *node_array_len);
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if(NULL == *node_array) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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memset(*node_array, 0, sizeof(int) * *node_array_len);
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for(item = opal_list_get_first(&map->nodes);
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item != opal_list_get_end(&map->nodes);
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item = opal_list_get_next(item)) {
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orte_rmaps_base_node_t* node = (orte_rmaps_base_node_t*)item;
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num_on_node = opal_list_get_size(&node->node_procs);
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(*node_array)[atol(node->node->node_name)] += num_on_node;
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num_procs += num_on_node;
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}
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return num_procs;
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}
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/**
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* Creates a bproc nodelist from a node array.
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* @param node_array an array of bproc nodes that contains the number of processes
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* to be launched on each node
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* @param node_array_len the length of the node array
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* @param node_list a pointer that the bproc node list will be returned in
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* @param num_nodes a pointer to return the number of nodes in the node list
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* @param num_procs the number of processes that a node must have to be on the
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* node list
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*/
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static int orte_pls_bproc_node_list(int * node_array, int node_array_len,
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int ** node_list, int * num_nodes,
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int num_procs) {
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int node;
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*num_nodes = 0;
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*node_list = (int*)malloc(sizeof(int) * node_array_len);
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if(NULL == *node_list) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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/* build the node list */
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for(node = 0; node < node_array_len; node++) {
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if(node_array[node] >= num_procs) {
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(*node_list)[(*num_nodes)++] = node;
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}
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}
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return ORTE_SUCCESS;
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}
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/**
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* Sets up the bproc io structs for the specified rank on the nodes
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*
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* @param jobid
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* @param io A pointer to an array of 3 bproc_io_t structs
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* @param node_rank the rank on the node we are setting up the structs for
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* @param app_context the application context number
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* @retval ORTE_SUCCESS
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* @retval error
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*/
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static int orte_pls_bproc_setup_io(orte_jobid_t jobid, struct bproc_io_t * io,
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int node_rank, int app_context) {
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char *frontend = NULL, *path = NULL, *job = NULL;
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int rc, i;
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/* ensure that system info is set */
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orte_sys_info();
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if (NULL == orte_system_info.user) { /* error condition */
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return ORTE_ERROR;
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}
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if (NULL == orte_universe_info.name) { /* error condition */
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return ORTE_ERROR;
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}
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rc = orte_ns_base_convert_jobid_to_string(&job, jobid);
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if(ORTE_SUCCESS != rc) {
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ORTE_ERROR_LOG(rc);
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goto cleanup;
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}
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/* build the directory tree the io files will be in */
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if (0 > asprintf(&frontend, "%stmp%sopenmpi-bproc-%s%s%s%s%s-%d%s%d",
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orte_system_info.path_sep, orte_system_info.path_sep,
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orte_system_info.user, orte_system_info.path_sep,
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orte_universe_info.name, orte_system_info.path_sep, job,
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app_context, orte_system_info.path_sep, node_rank)) {
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rc = ORTE_ERR_OUT_OF_RESOURCE;
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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goto cleanup;
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}
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for(i = 0; i < 3; i++) {
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if(0 > asprintf(&path, "%s%s%d", frontend, orte_system_info.path_sep, i)) {
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rc = ORTE_ERR_OUT_OF_RESOURCE;
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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goto cleanup;
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}
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if (mca_pls_bproc_component.debug) {
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opal_output(0, "mpirun bproc io setup. Path: %s\n", path);
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}
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io[i].fd = i;
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io[i].type = BPROC_IO_FILE;
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#if defined BPROC_API_VERSION && BPROC_API_VERSION >= 4
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io[i].flags = 0;
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#else
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io[i].send_info = 0;
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#endif
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if(0 == i) {
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io[i].d.file.flags = O_RDONLY;
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} else {
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io[i].d.file.flags = O_WRONLY;
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}
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io[i].d.file.offset = 0;
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io[i].d.file.mode = 0;
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strncpy(io[i].d.file.name, path, 256);
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free(path);
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}
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cleanup:
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if (NULL != frontend) {
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free(frontend);
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}
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if (NULL != job) {
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free(job);
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}
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return rc;
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}
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/**
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* Callback for orte_wait_cb. This function decrements the number of currently
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* running processes, and when this hits 0 it kills all the daemons
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* @param wpid the process's pid
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* @param status tells why the process died
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* @param data a pointer to the process's name
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*/
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static void orte_pls_bproc_waitpid_cb(pid_t wpid, int status, void *data) {
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orte_process_name_t * proc = (orte_process_name_t*) data;
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int rc;
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/* set the state of this process */
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if(WIFEXITED(status)) {
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rc = orte_soh.set_proc_soh(proc, ORTE_PROC_STATE_TERMINATED, status);
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} else {
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rc = orte_soh.set_proc_soh(proc, ORTE_PROC_STATE_ABORTED, status);
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}
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if(ORTE_SUCCESS != rc) {
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ORTE_ERROR_LOG(rc);
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}
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free(proc);
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OPAL_THREAD_LOCK(&mca_pls_bproc_component.lock);
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mca_pls_bproc_component.num_procs--;
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if(0 < mca_pls_bproc_component.debug) {
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opal_output(0, "in orte_pls_bproc_waitpid_cb, %d processes left\n",
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mca_pls_bproc_component.num_procs);
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}
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OPAL_THREAD_UNLOCK(&mca_pls_bproc_component.lock);
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}
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/**
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* Callback for orte_wait_cb for the daemons. If a daemon unexpectedly dies
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* before we are done launching, we abort the job.
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* @param wpid the daemons's pid
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* @param status tells why the daemon died
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* @param data a pointer to the node the daemon was on
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*/
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static void orte_pls_bproc_waitpid_daemon_cb(pid_t wpid, int status, void *data) {
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if(!mca_pls_bproc_component.done_launching) {
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/* if a daemon exits before we are done launching the user apps we send a
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* message to ourself so we will break out of the recieve loop and exit */
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orte_buffer_t ack;
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int rc;
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int src[4] = {-1, -1};
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src[2] = wpid;
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src[3] = *(int*)data;
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if(WIFSIGNALED(status)) {
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src[1] = WTERMSIG(status);
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}
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OBJ_CONSTRUCT(&ack, orte_buffer_t);
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rc = orte_dps.pack(&ack, &src, 4, ORTE_INT);
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if(ORTE_SUCCESS != rc) {
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ORTE_ERROR_LOG(rc);
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}
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rc = mca_oob_send_packed(MCA_OOB_NAME_SELF, &ack, MCA_OOB_TAG_BPROC, 0);
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if(0 > rc) {
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ORTE_ERROR_LOG(rc);
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}
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}
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OPAL_THREAD_LOCK(&mca_pls_bproc_component.lock);
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if(0 < mca_pls_bproc_component.num_daemons) {
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mca_pls_bproc_component.num_daemons--;
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}
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opal_condition_signal(&mca_pls_bproc_component.condition);
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OPAL_THREAD_UNLOCK(&mca_pls_bproc_component.lock);
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if(0 < mca_pls_bproc_component.debug) {
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opal_output(0, "in orte_pls_bproc_waitpid_daemon_cb, %d daemons left\n",
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mca_pls_bproc_component.num_daemons);
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}
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}
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#ifdef MCA_pls_bproc_scyld
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/**
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* compatibility function for scyld bproc and pre 3.2.0 LANL bproc. See the
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* bproc documentation for details
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*/
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static int bproc_vexecmove_io(int nnodes, int *nodes, int *pids,
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struct bproc_io_t *io, int iolen, const char *cmd,
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char * const argv[], char * envp[]) {
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int i;
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char * rank;
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for(i = 0; i < nnodes; i++) {
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pids[i] = fork();
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if(0 == pids[i]) {
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/* set BPROC_RANK so the proc can get its name */
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if (0 > asprintf(&rank, "%d", i)) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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exit(-1);
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}
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opal_setenv("BPROC_RANK", rank, true, &envp);
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bproc_execmove_io(nodes[i], io, iolen, cmd, argv, envp);
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/* if we get here, there was an error */
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opal_show_help("help-pls-bproc.txt", "bproc-vexecmove-launch", true,
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cmd, nodes[i], errno);
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ORTE_ERROR_LOG(ORTE_ERROR);
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exit(-1);
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} else if(-1 == pids[i]) {
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opal_show_help("help-pls-bproc.txt", "bproc-vexecmove-fork", true,
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errno);
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ORTE_ERROR_LOG(ORTE_ERROR);
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return -1;
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}
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}
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return nnodes;
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}
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/**
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* compatibility function for scyld bproc and pre 3.2.0 LANL bproc. See the
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* bproc documentation for details
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*/
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static int bproc_vexecmove(int nnodes, int *nodes, int *pids, const char *cmd,
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char * const argv[], char * envp[]) {
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return bproc_vexecmove_io(nnodes, nodes, pids, NULL, 0, cmd, argv, envp);
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}
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#endif
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/**
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* Sets up the passed environment for processes launched by the bproc launcher.
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* @param env a pointer to the environment to setup
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* @param num_env a pointer to where the size f the environment is stored
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*/
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static void orte_pls_bproc_setup_env(char *** env, size_t * num_env)
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{
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char ** merged;
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char * var;
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int rc;
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/* append mca parameters to our environment */
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if(ORTE_SUCCESS != (rc = mca_base_param_build_env(env, (int*)num_env, false))) {
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ORTE_ERROR_LOG(rc);
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}
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/* ns replica contact info */
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if(NULL == orte_process_info.ns_replica) {
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orte_ns.copy_process_name(&orte_process_info.ns_replica,
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orte_process_info.my_name);
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orte_process_info.ns_replica_uri = orte_rml.get_uri();
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}
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var = mca_base_param_environ_variable("ns","replica","uri");
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opal_setenv(var,orte_process_info.ns_replica_uri, true, env);
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free(var);
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/* make sure the frontend hostname does not get pushed out to the backend */
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var = mca_base_param_environ_variable("orte", "base", "nodename");
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opal_unsetenv(var, env);
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free(var);
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opal_unsetenv("HOSTNAME", env);
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/* make sure the username used to create the bproc directory is the same on
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* the backend as the frontend */
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var = mca_base_param_environ_variable("pls","bproc","username");
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opal_setenv(var, orte_system_info.user, true, env);
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free(var);
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/* tell the bootproxy to use the bproc_orted pls */
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var = mca_base_param_environ_variable("rmgr", "bootproxy", "pls");
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opal_setenv(var, "bproc_orted", true, env);
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free(var);
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/* gpr replica contact info */
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if(NULL == orte_process_info.gpr_replica) {
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orte_ns.copy_process_name(&orte_process_info.gpr_replica,
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orte_process_info.my_name);
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orte_process_info.gpr_replica_uri = orte_rml.get_uri();
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}
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var = mca_base_param_environ_variable("gpr","replica","uri");
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opal_setenv(var,orte_process_info.gpr_replica_uri, true, env);
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free(var);
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/* merge in environment */
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merged = opal_environ_merge(*env, environ);
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opal_argv_free(*env);
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*env = merged;
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/* make sure hostname doesn't get pushed to backend node */
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opal_unsetenv("HOSTNAME", env);
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/* overwrite previously specified values with the above settings */
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*num_env = opal_argv_count(*env);
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}
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/**
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* Launches the daemons
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* @param cellid the cellid of the job
|
|
* @param envp a pointer to the environment to use for the daemons
|
|
* @param node_arrays an array that holds the node arrays for each app context
|
|
* @param node_array_lens an array of lengths of the node arrays
|
|
* @param num_contexts the number of application contexts
|
|
* @param num_procs the numer of processes in the job
|
|
* @param global_vpid_start the starting vpid for the user's processes
|
|
* @param jobid the jobid for the user processes
|
|
* @retval ORTE_SUCCESS
|
|
* @retval error
|
|
*/
|
|
static int orte_pls_bproc_launch_daemons(orte_cellid_t cellid, char *** envp,
|
|
int ** node_arrays, int * node_array_lens,
|
|
int num_contexts, int num_procs,
|
|
orte_vpid_t global_vpid_start,
|
|
orte_jobid_t jobid) {
|
|
int * daemon_list = NULL;
|
|
int num_nodes = 0;
|
|
int num_daemons = 0;
|
|
int rc, i, j;
|
|
int * pids = NULL;
|
|
int argc;
|
|
char ** argv = NULL;
|
|
char * param;
|
|
char * orted_path;
|
|
orte_jobid_t daemon_jobid;
|
|
orte_process_name_t * proc_name;
|
|
orte_vpid_t daemon_vpid_start = 0;
|
|
size_t idx;
|
|
struct stat buf;
|
|
|
|
/* find the length of the longest node array */
|
|
for(i = 0; i < num_contexts; i++) {
|
|
if(node_array_lens[i] > num_nodes) {
|
|
num_nodes = node_array_lens[i];
|
|
}
|
|
}
|
|
if(NULL == (daemon_list = (int*)malloc(sizeof(int) * num_nodes))) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
goto cleanup;
|
|
}
|
|
/* create a list of all the nodes that need daemons, which is all the nodes
|
|
* that will have at least 1 process */
|
|
for(i = 0; i < num_nodes; i++) {
|
|
for(j = 0; j < num_contexts; j++) {
|
|
if(i < node_array_lens[j] && 0 < *(node_arrays[j] + i)) {
|
|
daemon_list[num_daemons++] = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(NULL == (pids = (int*)malloc(sizeof(int) * num_daemons))) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* allocate a range of vpids for the daemons */
|
|
rc = orte_ns_base_get_jobid(&daemon_jobid, orte_process_info.my_name);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
rc = orte_ns.reserve_range(daemon_jobid, num_daemons, &daemon_vpid_start);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* set up the environment so the daemons can get their names once launched */
|
|
rc = orte_ns_nds_bproc_put(cellid, daemon_jobid, daemon_vpid_start,
|
|
global_vpid_start, num_procs, envp);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
argc = 0;
|
|
opal_argv_append(&argc, &argv, mca_pls_bproc_component.orted);
|
|
/* check for debug flags */
|
|
if (mca_pls_bproc_component.debug) {
|
|
opal_argv_append(&argc, &argv, "--debug");
|
|
opal_argv_append(&argc, &argv, "--debug-daemons");
|
|
}
|
|
|
|
opal_argv_append(&argc, &argv, "--bootproxy");
|
|
orte_ns.convert_jobid_to_string(¶m, jobid);
|
|
opal_argv_append(&argc, &argv, param);
|
|
free(param);
|
|
|
|
/* pass along the universe name and location info */
|
|
opal_argv_append(&argc, &argv, "--universe");
|
|
asprintf(¶m, "%s@%s:%s", orte_universe_info.uid,
|
|
orte_universe_info.host, orte_universe_info.name);
|
|
opal_argv_append(&argc, &argv, param);
|
|
free(param);
|
|
|
|
/* tell orted not to demonize itself */
|
|
opal_argv_append(&argc, &argv, "--no-daemonize");
|
|
|
|
/* find orted */
|
|
if(0 == stat(mca_pls_bproc_component.orted, &buf)) {
|
|
orted_path = strdup(mca_pls_bproc_component.orted);
|
|
} else {
|
|
orted_path = opal_path_findv(mca_pls_bproc_component.orted, 0, environ, NULL);
|
|
if(NULL == orted_path) {
|
|
asprintf(&orted_path, "%s/%s", ORTE_BINDIR,
|
|
mca_pls_bproc_component.orted);
|
|
if (0 != stat(orted_path, &buf)) {
|
|
char *path = getenv("PATH");
|
|
if (NULL == path) {
|
|
path = ("PATH is empty!");
|
|
}
|
|
opal_show_help("help-pls-bproc.txt", "no-orted", true,
|
|
mca_pls_bproc_component.orted,
|
|
mca_pls_bproc_component.orted, path, ORTE_BINDIR);
|
|
rc = ORTE_ERROR;
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(0 < mca_pls_bproc_component.debug) {
|
|
opal_output(0, "PLS_BPROC DEBUG: launching %d daemons. cmd: %s ",
|
|
num_daemons, orted_path);
|
|
}
|
|
|
|
/* launch the daemons */
|
|
mca_pls_bproc_component.num_daemons = num_daemons;
|
|
rc = bproc_vexecmove(num_daemons, daemon_list, pids, orted_path, argv, *envp);
|
|
if(rc != num_daemons) {
|
|
opal_show_help("help-pls-bproc.txt", "daemon-launch-number", true,
|
|
num_daemons, rc, orted_path);
|
|
mca_pls_bproc_component.num_daemons = 0;
|
|
rc = ORTE_ERROR;
|
|
goto cleanup;
|
|
}
|
|
if(0 < mca_pls_bproc_component.debug) {
|
|
opal_output(0, "PLS_BPROC DEBUG: %d daemons launched. First pid: %d\n",
|
|
rc, *pids);
|
|
}
|
|
|
|
for(i = 0; i < num_daemons; i++) {
|
|
if(0 >= pids[i]) {
|
|
opal_show_help("help-pls-bproc.txt", "daemon-launch-bad-pid", true,
|
|
daemon_list[i], pids[i], errno, orted_path);
|
|
rc = ORTE_ERROR;
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
} else {
|
|
rc = orte_ns.create_process_name(&proc_name, cellid, daemon_jobid,
|
|
daemon_vpid_start + i);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
rc = orte_pointer_array_add(&idx, mca_pls_bproc_component.daemon_names,
|
|
proc_name);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
if (0 > asprintf(¶m, "%d", daemon_list[i])) {
|
|
rc = ORTE_ERR_OUT_OF_RESOURCE;
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
goto cleanup;
|
|
}
|
|
rc = orte_pls_base_set_node_pid(cellid, param, jobid, pids[i]);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
free(param);
|
|
rc = orte_wait_cb(pids[i], orte_pls_bproc_waitpid_daemon_cb,
|
|
&daemon_list[i]);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
if(NULL != argv) {
|
|
opal_argv_free(argv);
|
|
}
|
|
if(NULL != pids) {
|
|
free(pids);
|
|
}
|
|
if(NULL != orted_path) {
|
|
free(orted_path);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* Launches the application processes
|
|
* @param cellid the cellid of the job
|
|
* @param jobid the jobid of the job
|
|
* @param map a pointer to the mapping of this application
|
|
* @param num_processes the number of processes in this job
|
|
* @param vpid_start the starting vpid for this app context
|
|
* @param global_vpid_start the starting vpid for the user's processes
|
|
* @param app_context the application context number
|
|
* @param node_array the node array for this context
|
|
* @param node_array_len the length of the node array
|
|
* @retval ORTE_SUCCESS
|
|
* @retval error
|
|
*/
|
|
static int orte_pls_bproc_launch_app(orte_cellid_t cellid, orte_jobid_t jobid,
|
|
orte_rmaps_base_map_t* map, int num_processes,
|
|
orte_vpid_t vpid_start,
|
|
orte_vpid_t global_vpid_start,
|
|
int app_context, int * node_array,
|
|
int node_array_len) {
|
|
int * node_list = NULL;
|
|
int num_nodes;
|
|
int rc, i, j;
|
|
int * pids = NULL;
|
|
char * var, * param;
|
|
orte_process_name_t * proc_name;
|
|
struct bproc_io_t bproc_io[3];
|
|
|
|
if(NULL == (pids = (int*)malloc(sizeof(int) * node_array_len))) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* set out app context */
|
|
asprintf(¶m, "%d", app_context);
|
|
var = mca_base_param_environ_variable("pls", "bproc", "app_context");
|
|
opal_setenv(var, param, true, &map->app->env);
|
|
free(param);
|
|
free(var);
|
|
|
|
/* overwrite previously specified values with the above settings */
|
|
map->app->num_env = opal_argv_count(map->app->env);
|
|
|
|
/* launch the processes */
|
|
i = 1;
|
|
rc = orte_pls_bproc_node_list(node_array, node_array_len, &node_list,
|
|
&num_nodes, i);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
while(0 != num_nodes) {
|
|
|
|
/* setup environment so the procs can figure out their names */
|
|
rc = orte_ns_nds_bproc_put(cellid, jobid, vpid_start, global_vpid_start,
|
|
num_processes, &map->app->env);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
rc = orte_pls_bproc_setup_io(jobid, bproc_io, i - 1, app_context);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
if(0 < mca_pls_bproc_component.debug) {
|
|
opal_output(0, "pls_bproc: launching %d processes", num_nodes);
|
|
}
|
|
rc = bproc_vexecmove_io(num_nodes, node_list, pids, bproc_io, 3,
|
|
map->app->app, map->app->argv, map->app->env);
|
|
if(0 < mca_pls_bproc_component.debug) {
|
|
opal_output(0, "pls_bproc: %d processes launched. First pid: %d",
|
|
rc, *pids);
|
|
}
|
|
if(rc != num_nodes) {
|
|
opal_show_help("help-pls-bproc.txt", "proc-launch-number", true,
|
|
num_nodes, rc, map->app->app);
|
|
rc = ORTE_ERROR;
|
|
goto cleanup;
|
|
}
|
|
for(j = 0; j < num_nodes; j++) {
|
|
if(0 >= pids[j]) {
|
|
opal_show_help("help-pls-bproc.txt", "proc-launch-bad-pid", true,
|
|
node_list[j], pids[j], errno, map->app->app);
|
|
rc = ORTE_ERROR;
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
} else {
|
|
mca_pls_bproc_component.num_procs++;
|
|
rc = orte_ns.create_process_name(&proc_name, cellid, jobid,
|
|
vpid_start + j);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
orte_pls_base_set_proc_pid(proc_name, pids[j]);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
rc = orte_wait_cb(pids[j], orte_pls_bproc_waitpid_cb, proc_name);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
}
|
|
free(node_list);
|
|
node_list = NULL;
|
|
i++;
|
|
vpid_start += num_nodes;
|
|
rc = orte_pls_bproc_node_list(node_array, node_array_len, &node_list,
|
|
&num_nodes, i);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
if(NULL != node_list) {
|
|
free(node_list);
|
|
}
|
|
if(NULL != pids) {
|
|
free(pids);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The main bproc launcher. See pls_bproc.h for a high level overview of how
|
|
* the bproc launching works.
|
|
* Here we:
|
|
* -# Launch the deamons on the backend nodes.
|
|
* -# The daemons setup files for io forwarding then connect back to us to
|
|
* tells us they are ready for the actual apps.
|
|
* -# Launch the apps on the backend nodes
|
|
*
|
|
* @param jobid the jobid of the job to launch
|
|
* @retval ORTE_SUCCESS
|
|
* @retval error
|
|
*/
|
|
int orte_pls_bproc_launch(orte_jobid_t jobid) {
|
|
opal_list_item_t* item;
|
|
opal_list_t mapping;
|
|
orte_cellid_t cellid;
|
|
orte_rmaps_base_map_t* map;
|
|
orte_vpid_t vpid_launch;
|
|
orte_vpid_t vpid_range;
|
|
orte_vpid_t vpid_start;
|
|
int rc;
|
|
int src[4];
|
|
int ** node_array = NULL;
|
|
int * node_array_len = NULL;
|
|
int num_processes = 0;
|
|
int context = 0;
|
|
size_t idx, j;
|
|
|
|
/* query for the application context and allocated nodes */
|
|
OBJ_CONSTRUCT(&mapping, opal_list_t);
|
|
if(ORTE_SUCCESS != (rc = orte_rmaps_base_get_map(jobid, &mapping))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
return rc;
|
|
}
|
|
if(ORTE_SUCCESS != (rc = orte_rmaps_base_get_vpid_range(jobid, &vpid_start,
|
|
&vpid_range))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* get the cellid */
|
|
rc = orte_ns_base_get_cellid(&cellid, orte_process_info.my_name);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* do a large lock so the processes will not decrement the process count
|
|
* until we are done launching */
|
|
OPAL_THREAD_LOCK(&mca_pls_bproc_component.lock);
|
|
|
|
/* create an array to hold the pointers to the node arrays for each app
|
|
* context. Also, create an array to hold the lengths of the node arrays */
|
|
node_array = malloc(opal_list_get_size(&mapping) * sizeof(int *));
|
|
node_array_len = malloc(opal_list_get_size(&mapping) * sizeof(int *));
|
|
|
|
/* for each application context - create a node array and setup its env */
|
|
for(item = opal_list_get_first(&mapping);
|
|
item != opal_list_get_end(&mapping);
|
|
item = opal_list_get_next(item)) {
|
|
map = (orte_rmaps_base_map_t*)item;
|
|
rc = orte_pls_bproc_node_array(map, &node_array[context],
|
|
&node_array_len[context]);
|
|
if(0 > rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
orte_pls_bproc_setup_env(&map->app->env, &map->app->num_env);
|
|
num_processes += rc;
|
|
context++;
|
|
}
|
|
|
|
/* launch the daemons on all the nodes which have processes assign to them */
|
|
rc = orte_pls_bproc_launch_daemons(cellid, &map->app->env, node_array,
|
|
node_array_len, context, num_processes,
|
|
vpid_start, jobid);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* wait for communication back from the daemons, which indicates they have
|
|
* sucessfully set up the pty/pipes and IO forwarding which the user apps
|
|
* will use */
|
|
for(j = 0; j < mca_pls_bproc_component.num_daemons; j++) {
|
|
orte_buffer_t ack;
|
|
OBJ_CONSTRUCT(&ack, orte_buffer_t);
|
|
rc = mca_oob_recv_packed(MCA_OOB_NAME_ANY, &ack, MCA_OOB_TAG_BPROC);
|
|
if(0 > rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
OBJ_DESTRUCT(&ack);
|
|
goto cleanup;
|
|
}
|
|
idx = 4;
|
|
rc = orte_dps.unpack(&ack, &src, &idx, ORTE_INT);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
}
|
|
OBJ_DESTRUCT(&ack);
|
|
|
|
if(-1 == src[0]) {
|
|
/* one of the daemons has failed to properly launch. The error is sent
|
|
* by orte_pls_bproc_waitpid_daemon_cb */
|
|
if(-1 == src[1]) { /* did not die on a signal */
|
|
opal_show_help("help-pls-bproc.txt", "daemon-died-no-signal", true,
|
|
src[2], src[3]);
|
|
} else { /* died on a signal */
|
|
opal_show_help("help-pls-bproc.txt", "daemon-died-signal", true,
|
|
src[2], src[3], src[1]);
|
|
}
|
|
rc = ORTE_ERROR;
|
|
ORTE_ERROR_LOG(rc);
|
|
orte_pls_bproc_terminate_job(jobid);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
context = 0;
|
|
vpid_launch = vpid_start;
|
|
/* for each application context launch the app */
|
|
for(item = opal_list_get_first(&mapping);
|
|
item != opal_list_get_end(&mapping);
|
|
item = opal_list_get_next(item)) {
|
|
map = (orte_rmaps_base_map_t*)item;
|
|
rc = orte_pls_bproc_launch_app(cellid, jobid, map, num_processes,
|
|
vpid_launch, vpid_start, map->app->idx,
|
|
node_array[context], node_array_len[context]);
|
|
if(ORTE_SUCCESS != rc) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
free(node_array[context]);
|
|
context++;
|
|
vpid_launch = vpid_start + mca_pls_bproc_component.num_procs;
|
|
}
|
|
|
|
mca_pls_bproc_component.done_launching = true;
|
|
cleanup:
|
|
OPAL_THREAD_UNLOCK(&mca_pls_bproc_component.lock);
|
|
while(NULL != (item = opal_list_remove_first(&mapping)))
|
|
OBJ_RELEASE(item);
|
|
if(NULL != node_array) {
|
|
free(node_array);
|
|
}
|
|
if(NULL != node_array_len) {
|
|
free(node_array_len);
|
|
}
|
|
OBJ_DESTRUCT(&mapping);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* Terminate all processes associated with this job - including
|
|
* daemons.
|
|
*/
|
|
int orte_pls_bproc_terminate_job(orte_jobid_t jobid) {
|
|
pid_t* pids;
|
|
size_t i, num_pids;
|
|
int rc;
|
|
/* kill application process */
|
|
if(ORTE_SUCCESS != (rc = orte_pls_base_get_proc_pids(jobid, &pids, &num_pids)))
|
|
return rc;
|
|
for(i=0; i<num_pids; i++) {
|
|
if(mca_pls_bproc_component.debug) {
|
|
opal_output(0, "orte_pls_bproc: killing proc: %d\n", pids[i]);
|
|
}
|
|
kill(pids[i], mca_pls_bproc_component.terminate_sig);
|
|
}
|
|
if(NULL != pids)
|
|
free(pids);
|
|
/* kill daemons */
|
|
if(ORTE_SUCCESS != (rc = orte_pls_base_get_node_pids(jobid, &pids, &num_pids)))
|
|
return rc;
|
|
for(i=0; i<num_pids; i++) {
|
|
if(mca_pls_bproc_component.debug) {
|
|
opal_output(0, "orte_pls_bproc: killing daemon: %d\n", pids[i]);
|
|
}
|
|
kill(pids[i], mca_pls_bproc_component.terminate_sig);
|
|
}
|
|
if(NULL != pids)
|
|
free(pids);
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* Terminate a specific process.
|
|
*/
|
|
int orte_pls_bproc_terminate_proc(const orte_process_name_t* proc_name) {
|
|
int rc;
|
|
pid_t pid;
|
|
if(ORTE_SUCCESS != (rc = orte_pls_base_get_proc_pid(proc_name, &pid)))
|
|
return rc;
|
|
if(kill(pid, mca_pls_bproc_component.terminate_sig) != 0) {
|
|
switch(errno) {
|
|
case EINVAL:
|
|
return ORTE_ERR_BAD_PARAM;
|
|
case ESRCH:
|
|
return ORTE_ERR_NOT_FOUND;
|
|
case EPERM:
|
|
return ORTE_ERR_PERM;
|
|
default:
|
|
return ORTE_ERROR;
|
|
}
|
|
}
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* Module cleanup
|
|
*/
|
|
int orte_pls_bproc_finalize(void) {
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|