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source: branches/slurm-drmaa-1.2.0/slurm_drmaa/job.c @ 38

Revision 38, 18.9 KB checked in by pkopta, 11 years ago (diff)

Property svn:executable set to ``* Property svn:keywords set to `Id`

Line
1	/* $Id$ */
2	/*
3	* PSNC DRMAA for SLURM
4	* Copyright (C) 2011 Poznan Supercomputing and Networking Center
5	*
6	* This program is free software: you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation, either version 3 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
18	*/
19	#include <string.h>
20	#include <stdlib.h>
21	#include <unistd.h>
22	#include <signal.h>
23
24	#include <drmaa_utils/common.h>
25	#include <drmaa_utils/conf.h>
26	#include <drmaa_utils/datetime.h>
27	#include <drmaa_utils/drmaa.h>
28	#include <drmaa_utils/drmaa_util.h>
29	#include <drmaa_utils/environ.h>
30	#include <drmaa_utils/template.h>
31
32	#include <slurm_drmaa/job.h>
33	#include <slurm_drmaa/session.h>
34	#include <slurm_drmaa/util.h>
35
36	#include <slurm/slurm.h>
37	#include <stdint.h>
38
39	static void
40	slurmdrmaa_job_control( fsd_job_t *self, int action )
41	{
42	slurmdrmaa_job_t slurm_self = (slurmdrmaa_job_t)self;
43	job_desc_msg_t job_desc;
44
45	fsd_log_enter(( "({job_id=%s}, action=%d)", self->job_id, action ));
46
47	fsd_mutex_lock( &self->session->drm_connection_mutex );
48	TRY
49	{
50	switch( action )
51	{
52	case DRMAA_CONTROL_SUSPEND:
53	if(slurm_suspend(fsd_atoi(self->job_id)) == -1) {
54	fsd_exc_raise_fmt( FSD_ERRNO_INTERNAL_ERROR,"slurm_suspend error: %s,job_id: %s",slurm_strerror(slurm_get_errno()),self->job_id);
55	}
56	slurm_self->user_suspended = true;
57	break;
58	case DRMAA_CONTROL_HOLD:
59	/* change priority to 0*/
60	slurm_init_job_desc_msg(&job_desc);
61	slurm_self->old_priority = job_desc.priority;
62	job_desc.job_id = atoi(self->job_id);
63	job_desc.priority = 0;
64	job_desc.alloc_sid = 0;
65	if(slurm_update_job(&job_desc) == -1) {
66	fsd_exc_raise_fmt( FSD_ERRNO_INTERNAL_ERROR,"slurm_update_job error: %s,job_id: %s",slurm_strerror(slurm_get_errno()),self->job_id);
67	}
68	break;
69	case DRMAA_CONTROL_RESUME:
70	if(slurm_resume(fsd_atoi(self->job_id)) == -1) {
71	fsd_exc_raise_fmt( FSD_ERRNO_INTERNAL_ERROR,"slurm_resume error: %s,job_id: %s",slurm_strerror(slurm_get_errno()),self->job_id);
72	}
73	slurm_self->user_suspended = false;
74	break;
75	case DRMAA_CONTROL_RELEASE:
76	/* change priority back*/
77	slurm_init_job_desc_msg(&job_desc);
78	job_desc.priority = 1;
79	job_desc.job_id = atoi(self->job_id);
80	if(slurm_update_job(&job_desc) == -1) {
81	fsd_exc_raise_fmt( FSD_ERRNO_INTERNAL_ERROR,"slurm_update_job error: %s,job_id: %s",slurm_strerror(slurm_get_errno()),self->job_id);
82	}
83	break;
84	case DRMAA_CONTROL_TERMINATE:
85	if(slurm_kill_job(fsd_atoi(self->job_id),SIGKILL,0) == -1) {
86	fsd_exc_raise_fmt( FSD_ERRNO_INTERNAL_ERROR,"slurm_terminate_job error: %s,job_id: %s",slurm_strerror(slurm_get_errno()),self->job_id);
87	}
88	break;
89	default:
90	fsd_exc_raise_fmt(
91	FSD_ERRNO_INVALID_ARGUMENT,
92	"job::control: unknown action %d", action );
93	}
94
95	fsd_log_debug(("job::control: successful"));
96	}
97	FINALLY
98	{
99	fsd_mutex_unlock( &self->session->drm_connection_mutex );
100	}
101	END_TRY
102
103	fsd_log_return(( "" ));
104	}
105
106
107	static void
108	slurmdrmaa_job_update_status( fsd_job_t *self )
109	{
110	job_info_msg_t *job_info = NULL;
111	slurmdrmaa_job_t * slurm_self = (slurmdrmaa_job_t *) self;
112	fsd_log_enter(( "({job_id=%s})", self->job_id ));
113
114	fsd_mutex_lock( &self->session->drm_connection_mutex );
115	TRY
116	{
117	if ( slurm_load_job( &job_info, fsd_atoi(self->job_id), SHOW_ALL) ) {
118	int _slurm_errno = slurm_get_errno();
119
120	if (_slurm_errno == ESLURM_INVALID_JOB_ID) {
121	self->on_missing(self);
122	} else {
123	fsd_exc_raise_fmt(FSD_ERRNO_INTERNAL_ERROR,"slurm_load_jobs error: %s,job_id: %s", slurm_strerror(slurm_get_errno()), self->job_id);
124	}
125	}
126	if (job_info) {
127	fsd_log_debug(("state = %d, state_reason = %d", job_info->job_array[0].job_state, job_info->job_array[0].state_reason));
128
129	switch(job_info->job_array[0].job_state & JOB_STATE_BASE)
130	{
131
132	case JOB_PENDING:
133	switch(job_info->job_array[0].state_reason)
134	{
135	case WAIT_HELD_USER: /* job is held by user */
136	fsd_log_debug(("interpreting as DRMAA_PS_USER_ON_HOLD"));
137	self->state = DRMAA_PS_USER_ON_HOLD;
138	break;
139	case WAIT_HELD: /* job is held by administrator */
140	fsd_log_debug(("interpreting as DRMAA_PS_SYSTEM_ON_HOLD"));
141	self->state = DRMAA_PS_SYSTEM_ON_HOLD;
142	break;
143	default:
144	fsd_log_debug(("interpreting as DRMAA_PS_QUEUED_ACTIVE"));
145	self->state = DRMAA_PS_QUEUED_ACTIVE;
146	}
147	break;
148	case JOB_RUNNING:
149	fsd_log_debug(("interpreting as DRMAA_PS_RUNNING"));
150	self->state = DRMAA_PS_RUNNING;
151	break;
152	case JOB_SUSPENDED:
153	if(slurm_self->user_suspended == true) {
154	fsd_log_debug(("interpreting as DRMAA_PS_USER_SUSPENDED"));
155	self->state = DRMAA_PS_USER_SUSPENDED;
156	} else {
157	fsd_log_debug(("interpreting as DRMAA_PS_SYSTEM_SUSPENDED"));
158	self->state = DRMAA_PS_SYSTEM_SUSPENDED;
159	}
160	break;
161	case JOB_COMPLETE:
162	fsd_log_debug(("interpreting as DRMAA_PS_DONE"));
163	self->state = DRMAA_PS_DONE;
164	self->exit_status = job_info->job_array[0].exit_code;
165	fsd_log_debug(("exit_status = %d -> %d",self->exit_status, WEXITSTATUS(self->exit_status)));
166	break;
167	case JOB_CANCELLED:
168	fsd_log_debug(("interpreting as DRMAA_PS_FAILED (aborted)"));
169	self->state = DRMAA_PS_FAILED;
170	self->exit_status = -1;
171	case JOB_FAILED:
172	case JOB_TIMEOUT:
173	case JOB_NODE_FAIL:
174	case JOB_PREEMPTED:
175	fsd_log_debug(("interpreting as DRMAA_PS_FAILED"));
176	self->state = DRMAA_PS_FAILED;
177	self->exit_status = job_info->job_array[0].exit_code;
178	fsd_log_debug(("exit_status = %d -> %d",self->exit_status, WEXITSTATUS(self->exit_status)));
179	break;
180	default: /unknown state /
181	fsd_log_error(("Unknown job state: %d. Please send bug report: http://apps.man.poznan.pl/trac/slurm-drmaa", job_info->job_array[0].job_state));
182	}
183
184	if (job_info->job_array[0].job_state & JOB_STATE_FLAGS & JOB_COMPLETING) {
185	fsd_log_debug(("Epilog completing"));
186	}
187
188	if (job_info->job_array[0].job_state & JOB_STATE_FLAGS & JOB_CONFIGURING) {
189	fsd_log_debug(("Nodes booting"));
190	}
191
192	if (self->exit_status == -1) /* input,output,error path failure etc*/
193	self->state = DRMAA_PS_FAILED;
194
195	self->last_update_time = time(NULL);
196
197	if( self->state >= DRMAA_PS_DONE ) {
198	fsd_log_debug(("exit_status = %d, WEXITSTATUS(exit_status) = %d", self->exit_status, WEXITSTATUS(self->exit_status)));
199	fsd_cond_broadcast( &self->status_cond );
200	}
201	}
202	}
203	FINALLY
204	{
205	if(job_info != NULL)
206	slurm_free_job_info_msg (job_info);
207
208	fsd_mutex_unlock( &self->session->drm_connection_mutex );
209	}
210	END_TRY
211
212	fsd_log_return(( "" ));
213	}
214
215	static void
216	slurmdrmaa_job_on_missing( fsd_job_t *self )
217	{
218
219	fsd_log_enter(( "({job_id=%s})", self->job_id ));
220	fsd_log_warning(( "Job %s missing from DRM queue", self->job_id ));
221
222	fsd_log_info(( "job_on_missing: last job_ps: %s (0x%02x)", drmaa_job_ps_to_str(self->state), self->state));
223
224	if( self->state >= DRMAA_PS_RUNNING ) { /if the job ever entered running state assume finished /
225	self->state = DRMAA_PS_DONE;
226	self->exit_status = 0;
227	}
228	else {
229	self->state = DRMAA_PS_FAILED; /* otherwise failed */
230	self->exit_status = -1;
231	}
232
233	fsd_log_info(("job_on_missing evaluation result: state=%d exit_status=%d", self->state, self->exit_status));
234
235	fsd_cond_broadcast( &self->status_cond);
236	fsd_cond_broadcast( &self->session->wait_condition );
237
238	fsd_log_return(( "; job_ps=%s, exit_status=%d", drmaa_job_ps_to_str(self->state), self->exit_status ));
239	}
240
241	fsd_job_t *
242	slurmdrmaa_job_new( char *job_id )
243	{
244	slurmdrmaa_job_t *self = NULL;
245	self = (slurmdrmaa_job_t*)fsd_job_new( job_id );
246
247	fsd_realloc( self, 1, slurmdrmaa_job_t );
248
249	self->super.control = slurmdrmaa_job_control;
250	self->super.update_status = slurmdrmaa_job_update_status;
251	self->super.on_missing = slurmdrmaa_job_on_missing;
252	self->old_priority = UINT32_MAX;
253	self->user_suspended = true;
254	return (fsd_job_t*)self;
255	}
256
257
258	void
259	slurmdrmaa_job_create_req(
260	fsd_drmaa_session_t *session,
261	const fsd_template_t *jt,
262	fsd_environ_t **envp,
263	job_desc_msg_t * job_desc)
264	{
265	fsd_expand_drmaa_ph_t *volatile expand = NULL;
266
267	TRY
268	{
269	expand = fsd_expand_drmaa_ph_new( NULL, NULL, fsd_strdup("%a") );
270	slurmdrmaa_job_create( session, jt, envp, expand, job_desc );
271	}
272	EXCEPT_DEFAULT
273	{
274	fsd_exc_reraise();
275	}
276	FINALLY
277	{
278	if( expand )
279	expand->destroy( expand );
280	}
281	END_TRY
282	}
283
284	static char *
285	internal_map_file( fsd_expand_drmaa_ph_t expand, const char path,
286	bool host_given, const char name )
287	{
288	const char *p;
289
290	for( p = path; *p != ':'; p++ )
291	if( *p == '\0' )
292	fsd_exc_raise_fmt( FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_FORMAT,
293	"invalid format of drmaa_%s_path: missing colon", name );
294	if( host_given )
295	*host_given = ( p != path );
296
297	p++;
298
299	return expand->expand( expand, fsd_strdup(p), FSD_DRMAA_PH_HD \| FSD_DRMAA_PH_WD \| FSD_DRMAA_PH_INCR );
300	}
301
302	void
303	slurmdrmaa_job_create(
304	fsd_drmaa_session_t *session,
305	const fsd_template_t *jt,
306	fsd_environ_t **envp,
307	fsd_expand_drmaa_ph_t *expand,
308	job_desc_msg_t * job_desc
309	)
310	{
311	const char *input_path_orig = NULL;
312	const char *output_path_orig = NULL;
313	const char *error_path_orig = NULL;
314	char *volatile input_path = NULL;
315	char *volatile output_path = NULL;
316	char *volatile error_path = NULL;
317	bool input_host = false;
318	bool output_host = false;
319	bool error_host = false;
320	bool join_files = false;
321	const char *value;
322	const char const vector;
323	const char *job_category = "default";
324
325	job_desc->user_id = getuid();
326	job_desc->group_id = getgid();
327
328	job_desc->env_size = 0;
329
330	/* job name */
331	value = jt->get_attr( jt, DRMAA_JOB_NAME );
332	if( value )
333	{
334	job_desc->name = fsd_strdup(value);
335	fsd_log_debug(("# job_name = %s",job_desc->name));
336	}
337
338	/* job state at submit */
339	value = jt->get_attr( jt, DRMAA_JS_STATE );
340	if( value )
341	{
342	if( 0 == strcmp( value, DRMAA_SUBMISSION_STATE_ACTIVE ) )
343	{}
344	else if( 0 == strcmp( value, DRMAA_SUBMISSION_STATE_HOLD ) )
345	{
346	job_desc->priority = 0;
347	fsd_log_debug(("# hold = user"));
348	}
349	else
350	{
351	fsd_exc_raise_msg(FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_VALUE, "invalid value of drmaa_js_state attribute" );
352	}
353	}
354
355	TRY
356	{
357	const char *command = NULL;
358	char *command_expanded = NULL;
359	char *temp_script_old = NULL;
360	char *temp_script = "";
361	const char const i;
362	int j;
363
364	/* remote command */
365	command = jt->get_attr( jt, DRMAA_REMOTE_COMMAND );
366	if( command == NULL )
367	fsd_exc_raise_msg(
368	FSD_DRMAA_ERRNO_CONFLICTING_ATTRIBUTE_VALUES,
369	"drmaa_remote_command not set for job template"
370	);
371
372	command_expanded = expand->expand( expand, fsd_strdup(command), FSD_DRMAA_PH_HD \| FSD_DRMAA_PH_WD );
373
374	temp_script = fsd_asprintf("#!/bin/bash\n%s",command_expanded);
375	fsd_free(command_expanded);
376
377	/* arguments list */
378	vector = jt->get_v_attr( jt, DRMAA_V_ARGV );
379
380	if( vector )
381	{
382	for( i = vector, j = 2; *i; i++, j++ )
383	{
384	char arg_expanded = expand->expand( expand, fsd_strdup(i), FSD_DRMAA_PH_HD \| FSD_DRMAA_PH_WD );
385
386	temp_script_old = fsd_strdup(temp_script);
387
388	if (strcmp(temp_script, "") != 0) {
389	fsd_free(temp_script);
390	}
391	/* add too script */
392	temp_script = fsd_asprintf("%s '%s'", temp_script_old, arg_expanded);
393	fsd_free(temp_script_old);
394	fsd_free(arg_expanded);
395	}
396	}
397
398	job_desc->script = fsd_asprintf("%s\n", temp_script);
399	fsd_log_debug(("# Script:\n%s", job_desc->script));
400	fsd_free(temp_script);
401	}
402	END_TRY
403
404
405	/* start time */
406	value = jt->get_attr( jt, DRMAA_START_TIME );
407	if( value )
408	{
409	job_desc->begin_time = fsd_datetime_parse( value );
410	fsd_log_debug(( "\n drmaa_start_time: %s -> %ld", value, (long)job_desc->begin_time));
411	}
412
413	/* propagate all environment variables from submission host */
414	{
415	extern char **environ;
416	char **i;
417	unsigned j = 0;
418
419	for ( i = environ; *i; i++) {
420	job_desc->env_size++;
421	}
422
423	fsd_log_debug(("environ env_size = %d",job_desc->env_size));
424	fsd_calloc(job_desc->environment, job_desc->env_size+1, char *);
425
426	for ( i = environ; *i; i++,j++ ) {
427	job_desc->environment[j] = fsd_strdup(*i);
428	}
429	}
430
431	/* environment */
432
433	vector = jt->get_v_attr( jt, DRMAA_V_ENV );
434	if( vector )
435	{
436	const char const i;
437	unsigned j = 0;
438	unsigned env_offset = job_desc->env_size;
439
440	for( i = vector; *i; i++ )
441	{
442	job_desc->env_size++;
443	}
444	fsd_log_debug(("jt env_size = %d",job_desc->env_size));
445
446	fsd_log_debug(("# environment ="));
447	fsd_realloc(job_desc->environment, job_desc->env_size+1, char *);
448
449	for( i = vector; *i; i++,j++ )
450	{
451	job_desc->environment[j + env_offset] = fsd_strdup(*i);
452	fsd_log_debug((" %s", job_desc->environment[j+ env_offset]));
453	}
454	}
455
456	/* wall clock time hard limit */
457	value = jt->get_attr( jt, DRMAA_WCT_HLIMIT );
458	if (value)
459	{
460	job_desc->time_limit = slurmdrmaa_datetime_parse( value );
461	fsd_log_debug(("# wct_hlimit = %s -> %ld",value, (long int)slurmdrmaa_datetime_parse( value )));
462	}
463
464
465	/expand->set(expand, FSD_DRMAA_PH_INCR,fsd_asprintf("%d", n_job));/ /* set current value */
466	/* TODO: test drmaa_ph_incr */
467	/* job working directory */
468	value = jt->get_attr( jt, DRMAA_WD );
469	if( value )
470	{
471	char *cwd_expanded = expand->expand( expand, fsd_strdup(value), FSD_DRMAA_PH_HD \| FSD_DRMAA_PH_INCR );
472
473	expand->set( expand, FSD_DRMAA_PH_WD, fsd_strdup(cwd_expanded));
474
475	fsd_log_debug(("# work_dir = %s",cwd_expanded));
476	job_desc->work_dir = fsd_strdup(cwd_expanded);
477	fsd_free(cwd_expanded);
478	}
479	else
480	{
481	char cwdbuf[4096] = "";
482
483	if ((getcwd(cwdbuf, 4095)) == NULL) {
484	char errbuf[256] = "InternalError";
485	(void)strerror_r(errno, errbuf, 256); /on error the default message would be returned /
486	fsd_log_error(("getcwd failed: %s", errbuf));
487	job_desc->work_dir = fsd_strdup(".");
488	} else {
489	job_desc->work_dir = fsd_strdup(cwdbuf);
490	}
491
492	fsd_log_debug(("work_dir(default:CWD) %s", job_desc->work_dir));
493	}
494
495	TRY
496	{
497	/* input path */
498	input_path_orig = jt->get_attr( jt, DRMAA_INPUT_PATH );
499	if( input_path_orig )
500	{
501	input_path = internal_map_file( expand, input_path_orig, &input_host,"input" );
502	fsd_log_debug(( "\n drmaa_input_path: %s -> %s", input_path_orig, input_path ));
503	}
504
505	/* output path */
506	output_path_orig = jt->get_attr( jt, DRMAA_OUTPUT_PATH );
507	if( output_path_orig )
508	{
509	output_path = internal_map_file( expand, output_path_orig, &output_host,"output" );
510	fsd_log_debug(( "\n drmaa_output_path: %s -> %s", output_path_orig, output_path ));
511	}
512
513	/* error path */
514	error_path_orig = jt->get_attr( jt, DRMAA_ERROR_PATH );
515	if( error_path_orig )
516	{
517	error_path = internal_map_file( expand, error_path_orig, &error_host,"error" );
518	fsd_log_debug(( "\n drmaa_error_path: %s -> %s", error_path_orig, error_path ));
519	}
520
521	/* join files */
522	value = jt->get_attr( jt, DRMAA_JOIN_FILES );
523	if( value )
524	{
525	if( (value[0] == 'y' \|\| value[0] == 'Y') && value[1] == '\0' )
526	join_files = true;
527	else if( (value[0] == 'n' \|\| value[0] == 'N') && value[1] == '\0' )
528	join_files = false;
529	else
530	fsd_exc_raise_msg(
531	FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_VALUE,
532	"invalid value of drmaa_join_files attribute" );
533	}
534
535	if( join_files )
536	{
537	if( output_path == NULL )
538	fsd_exc_raise_msg(FSD_DRMAA_ERRNO_CONFLICTING_ATTRIBUTE_VALUES, "drmaa_join_files is set and output file is not given" );
539	if( error_path!=NULL && 0 != strcmp( output_path, error_path ) )
540	fsd_log_warning(( "Error file was given but will be ignored since drmaa_join_files was set." ));
541
542	if (error_path)
543	fsd_free(error_path);
544
545	error_path = fsd_strdup(output_path);
546	}
547	else
548	{
549	if( error_path == NULL && output_path )
550	error_path = fsd_strdup( "/dev/null" );
551	if( output_path == NULL && error_path )
552	output_path = fsd_strdup( "/dev/null" );
553	}
554
555
556	/* email addresses to send notifications */
557	vector = jt->get_v_attr( jt, DRMAA_V_EMAIL );
558	if( vector && vector[0] )
559	{
560	/* only to one email address message may be send */
561	job_desc->mail_user = fsd_strdup(vector[0]);
562	job_desc->mail_type = MAIL_JOB_BEGIN \| MAIL_JOB_END \| MAIL_JOB_FAIL;
563	fsd_log_debug(("# mail_user = %s\n",vector[0]));
564	fsd_log_debug(("# mail_type = %o\n",job_desc->mail_type));
565	if( vector[1] != NULL )
566	{
567	fsd_log_error(( "SLURM only supports one e-mail notification address" ));
568	fsd_exc_raise_msg(FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_VALUE,"SLURM only supports one e-mail notification address");
569	}
570	}
571
572	/* block email */
573	value = jt->get_attr( jt, DRMAA_BLOCK_EMAIL );
574	if( value )
575	{
576	bool block;
577	if( strcmp(value, "0") == 0 )
578	{
579	block = true;
580	fsd_log_debug(("# block_email = true"));
581	fsd_log_debug(("# mail_user delated"));
582	fsd_free(job_desc->mail_user);
583	job_desc->mail_user = NULL;
584	}
585	else if( strcmp(value, "1") == 0 )
586	block = false;
587	else
588	fsd_exc_raise_msg(FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_VALUE,"invalid value of drmaa_block_email attribute" );
589
590	if( block && output_path == NULL )
591	{
592	fsd_log_debug(( "output path not set and we want to block e-mail, set to /dev/null" ));
593	output_path = fsd_strdup( "/dev/null" );
594	}
595	}
596
597	if( input_path )
598	{
599	job_desc->std_in = fsd_strdup(input_path);
600	fsd_log_debug(("# input = %s", input_path));
601	}
602
603	if( output_path )
604	{
605	job_desc->std_out = fsd_strdup(output_path);
606	fsd_log_debug(("# output = %s", output_path));
607	}
608
609	if( error_path )
610	{
611	job_desc->std_err = fsd_strdup(error_path);
612	fsd_log_debug(("# error = %s", error_path));
613	}
614	}
615	FINALLY
616	{
617	fsd_free( input_path );
618	fsd_free( output_path );
619	fsd_free( error_path );
620	input_path = NULL;
621	output_path = NULL;
622	error_path = NULL;
623	}
624	END_TRY
625
626
627	/* job category */
628	value = jt->get_attr( jt, DRMAA_JOB_CATEGORY );
629	if( value )
630	job_category = value;
631
632	{
633	fsd_conf_option_t *category_value = NULL;
634	category_value = fsd_conf_dict_get( session->job_categories, job_category );
635
636	if( category_value != NULL )
637	{
638	if( category_value->type != FSD_CONF_STRING )
639	fsd_exc_raise_fmt(
640	FSD_ERRNO_INTERNAL_ERROR,
641	"configuration error: job category should be string"
642	);
643
644	fsd_log_debug(("# Job category %s : %s\n",value,category_value->val.string));
645	slurmdrmaa_parse_native(job_desc,category_value->val.string);
646	}
647	else
648	{
649	if( value != NULL )
650	fsd_exc_raise_fmt(
651	FSD_DRMAA_ERRNO_INVALID_ATTRIBUTE_VALUE,
652	"invalid job category: %s", job_category
653	);
654	}
655	}
656
657	/* set defaults for constraints - ref: slurm.h */
658	fsd_log_debug(("# Setting defaults for tasks and processors" ));
659	job_desc->num_tasks = 1;
660	job_desc->min_cpus = 0;
661	job_desc->cpus_per_task = 0;
662	job_desc->pn_min_cpus = 0;
663
664	/* native specification */
665	value = jt->get_attr( jt, DRMAA_NATIVE_SPECIFICATION );
666	if( value )
667	{
668	fsd_log_debug(("# Native specification: %s\n", value));
669	slurmdrmaa_parse_native(job_desc, value);
670	}
671
672	}
673
674

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