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source: trunk/pbs_drmaa/job.c @ 45

Revision 45, 14.4 KB checked in by mmamonski, 13 years ago (diff)
version 1.0.11 - ready to try
Property svn:keywords set to `Id`

Rev	Line
[12]	1	/* $Id$ */
[1]	2	/*
	3	* FedStage DRMAA for PBS Pro
	4	* Copyright (C) 2006-2009 FedStage Systems
	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
	20	#ifdef HAVE_CONFIG_H
	21	# include <config.h>
	22	#endif
	23
	24	#include <signal.h>
	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <unistd.h>
	28
	29	#include <drmaa_utils/drmaa.h>
	30	#include <drmaa_utils/drmaa_util.h>
	31	#include <pbs_error.h>
	32	#include <pbs_ifl.h>
	33
	34	#include <pbs_drmaa/job.h>
[7]	35	#include <pbs_drmaa/log_reader.h>
[1]	36	#include <pbs_drmaa/pbs_attrib.h>
	37	#include <pbs_drmaa/session.h>
	38	#include <pbs_drmaa/util.h>
	39
	40	#ifndef lint
	41	static char rcsid[]
	42	# ifdef __GNUC__
	43	__attribute__ ((unused))
	44	# endif
[12]	45	= "$Id$";
[1]	46	#endif
	47
	48
	49	static void
	50	pbsdrmaa_job_control( fsd_job_t *self, int action );
	51
	52	static void
	53	pbsdrmaa_job_update_status( fsd_job_t *self );
	54
	55	static void
	56	pbsdrmaa_job_on_missing( fsd_job_t *self );
	57
[7]	58	void
	59	pbsdrmaa_job_on_missing_standard( fsd_job_t *self );
	60
[1]	61	static void
	62	pbsdrmaa_job_update( fsd_job_t self, struct batch_status );
	63
	64
	65	fsd_job_t *
	66	pbsdrmaa_job_new( char *job_id )
	67	{
	68	pbsdrmaa_job_t self = (pbsdrmaa_job_t)fsd_job_new( job_id );
	69	fsd_realloc( self, 1, pbsdrmaa_job_t );
	70	self->super.control = pbsdrmaa_job_control;
	71	self->super.update_status = pbsdrmaa_job_update_status;
	72	self->super.on_missing = pbsdrmaa_job_on_missing;
	73	self->update = pbsdrmaa_job_update;
	74	return (fsd_job_t*)self;
	75	}
	76
	77
	78	static void
	79	pbsdrmaa_job_control( fsd_job_t *self, int action )
	80	{
	81	volatile bool conn_lock = false;
	82	pbsdrmaa_session_t session = (pbsdrmaa_session_t)self->session;
	83	const char *job_id = self->job_id;
	84	const char *apicall = NULL;
	85	int rc = PBSE_NONE;
	86
	87	fsd_log_enter(( "({job_id=%s}, action=%d)",
	88	self->job_id, action ));
	89
	90	TRY
	91	{
[45]	92	int tries_left = session->max_retries_count;
	93	int sleep_time = 1;
[1]	94
	95	conn_lock = fsd_mutex_lock( &self->session->drm_connection_mutex );
	96
	97	/TODO reconnect /
[45]	98	while ( true )
[1]	99	{
	100	switch( action )
	101	{
	102	/*
	103	* We cannot know whether we did suspend job
	104	* in other way than remembering this inside DRMAA session.
	105	*/
	106	case DRMAA_CONTROL_SUSPEND:
	107	apicall = "pbs_sigjob";
	108	rc = pbs_sigjob( session->pbs_conn, (char*)job_id,
	109	"SIGSTOP", NULL );
[10]	110	fsd_log_info(("pbs_sigjob(%s, SIGSTOP) =%d", job_id, rc));
[1]	111	if( rc == PBSE_NONE )
	112	self->flags \|= FSD_JOB_SUSPENDED;
	113	break;
	114	case DRMAA_CONTROL_RESUME:
	115	apicall = "pbs_sigjob";
	116	rc = pbs_sigjob( session->pbs_conn, (char*)job_id,
	117	"SIGCONT", NULL );
[10]	118	fsd_log_info(("pbs_sigjob(%s, SIGCONT) =%d", job_id, rc));
[1]	119	if( rc == PBSE_NONE )
	120	self->flags &= ~FSD_JOB_SUSPENDED;
	121	break;
	122	case DRMAA_CONTROL_HOLD:
	123	apicall = "pbs_holdjob";
	124	rc = pbs_holdjob( session->pbs_conn, (char*)job_id,
	125	USER_HOLD, NULL );
[10]	126	fsd_log_info(("pbs_sigjob(%s, SIGHOLD) =%d", job_id, rc));
[1]	127	if( rc == PBSE_NONE )
	128	self->flags \|= FSD_JOB_HOLD;
	129	break;
	130	case DRMAA_CONTROL_RELEASE:
	131	apicall = "pbs_rlsjob";
	132	rc = pbs_rlsjob( session->pbs_conn, (char*)job_id,
	133	USER_HOLD, NULL );
[10]	134	fsd_log_info(("pbs_rlsjob(%s) =%d", job_id, rc));
[1]	135	if( rc == PBSE_NONE )
	136	self->flags &= FSD_JOB_HOLD;
	137	break;
	138	case DRMAA_CONTROL_TERMINATE:
	139	apicall = "pbs_deljob";
	140	rc = pbs_deljob( session->pbs_conn, (char*)job_id, NULL );
[10]	141	fsd_log_info(("pbs_deljob(%s) =%d", job_id, rc));
[1]	142	/* Torque:
	143	* deldelay=N -- delay between SIGTERM and SIGKILL (default 0) */
	144	if( rc == PBSE_NONE )
	145	{
	146	self->flags &= FSD_JOB_TERMINATED_MASK;
	147	if( (self->flags & FSD_JOB_TERMINATED) == 0 )
	148	self->flags \|= FSD_JOB_TERMINATED \| FSD_JOB_ABORTED;
	149	}
	150	break;
	151	}
	152
[45]	153	retry_connect:
	154	if ( rc == PBSE_NONE )
[1]	155	break;
[45]	156	else if (( rc == PBSE_INTERNAL \|\| rc == PBSE_PROTOCOL \|\| rc == PBSE_EXPIRED) && (tries_left--))
[1]	157	{
[45]	158	if (rc == PBSE_PROTOCOL \|\| rc == PBSE_EXPIRED)
	159	{
	160	if ( session->pbs_conn >= 0)
	161	pbs_disconnect( session->pbs_conn );
	162
	163	sleep( sleep_time++ );
	164
	165	session->pbs_conn = pbs_connect( session->super.contact );
	166
	167	if (session->pbs_conn < 0)
	168	goto retry_connect;
	169
	170	fsd_log_info(( "pbs_connect(%s) =%d", session->super.contact, session->pbs_conn ));
	171	}
	172	else /* PBSE_INTERNAL */
	173	{
	174	/*
	175	* In PBS Pro pbs_sigjob raises internal server error (PBSE_INTERNAL)
	176	* when job just changed its state to running.
	177	*/
	178	sleep( sleep_time++ );
	179	}
	180	fsd_log_debug(( "repeating request (%d of %d)", tries_left, session->max_retries_count));
[1]	181	}
	182	else
	183	pbsdrmaa_exc_raise_pbs( apicall );
[45]	184	} /* end while */
[1]	185	}
	186	FINALLY
	187	{
	188	if( conn_lock )
	189	conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex );
	190	}
	191	END_TRY
	192
	193	fsd_log_return((""));
	194	}
	195
	196
	197	void
	198	pbsdrmaa_job_update_status( fsd_job_t *self )
	199	{
	200	volatile bool conn_lock = false;
	201	struct batch_status *volatile status = NULL;
	202	pbsdrmaa_session_t session = (pbsdrmaa_session_t)self->session;
[45]	203	int tries_left = session->max_retries_count;
	204	int sleep_time = 1;
[1]	205
	206	fsd_log_enter(( "({job_id=%s})", self->job_id ));
[21]	207
[1]	208	TRY
	209	{
	210	conn_lock = fsd_mutex_lock( &self->session->drm_connection_mutex );
	211	retry:
[16]	212
[1]	213	#ifdef PBS_PROFESSIONAL
	214	status = pbs_statjob( session->pbs_conn, self->job_id, NULL, NULL );
	215	#else
	216	status = pbs_statjob( session->pbs_conn, self->job_id, session->status_attrl, NULL );
	217	#endif
[9]	218	fsd_log_info(( "pbs_statjob(fd=%d, job_id=%s, attribs={...}) =%p",
[1]	219	session->pbs_conn, self->job_id, (void*)status ));
	220	if( status == NULL )
	221	{
[21]	222
[25]	223	#ifndef PBS_PROFESSIONAL
[40]	224	if ( pbs_errno != PBSE_UNKJOBID )
	225	fsd_log_error(("pbs_statjob error: %d, %s, %s", pbs_errno, pbse_to_txt(pbs_errno), pbs_strerror(pbs_errno)));
	226	else
	227	fsd_log_debug(("pbs_statjob error: %d, %s, %s", pbs_errno, pbse_to_txt(pbs_errno), pbs_strerror(pbs_errno)));
[25]	228	#else
	229	# ifndef PBS_PROFESSIONAL_NO_LOG
[40]	230	if ( pbs_errno != PBSE_UNKJOBID )
	231	fsd_log_error(("pbs_statjob error: %d, %s", pbs_errno, pbse_to_txt(pbs_errno)));
	232	else
	233	fsd_log_debug(("pbs_statjob error: %d, %s", pbs_errno, pbse_to_txt(pbs_errno)));
[25]	234	# else
[40]	235	if ( pbs_errno != PBSE_UNKJOBID )
	236	fsd_log_error(("pbs_statjob error: %d", pbs_errno));
	237	else
	238	fsd_log_debug(("pbs_statjob error: %d", pbs_errno));
[25]	239	# endif
	240	#endif
[21]	241
[25]	242	switch( pbs_errno )
	243	{
	244	case PBSE_UNKJOBID:
	245	break;
	246	case PBSE_PROTOCOL:
	247	case PBSE_EXPIRED:
	248	if ( session->pbs_conn >= 0 )
	249	pbs_disconnect( session->pbs_conn );
[45]	250	retry_connect:
	251	sleep(sleep_time++);
[25]	252	session->pbs_conn = pbs_connect( session->super.contact );
	253	if( session->pbs_conn < 0 )
[45]	254	{
	255	if (tries_left--)
	256	goto retry_connect;
	257	else
	258	pbsdrmaa_exc_raise_pbs( "pbs_connect" );
	259	}
[25]	260	else
	261	{
	262	goto retry;
	263	}
	264	default:
	265	pbsdrmaa_exc_raise_pbs( "pbs_statjob" );
	266	break;
	267	case 0: /* ? */
	268	fsd_exc_raise_code( FSD_ERRNO_INTERNAL_ERROR );
	269	break;
[1]	270	}
[25]	271
[1]	272	}
	273
	274	conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex );
	275
[25]	276
[1]	277	if( status != NULL )
	278	{
	279	((pbsdrmaa_job_t*)self)->update( self, status );
	280	}
[7]	281	else if( self->state < DRMAA_PS_DONE )
[25]	282	{
[1]	283	self->on_missing( self );
[25]	284	}
[1]	285	}
	286	FINALLY
	287	{
	288	if( conn_lock )
	289	conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex );
	290	if( status != NULL )
	291	pbs_statfree( status );
	292	}
	293	END_TRY
	294
	295	fsd_log_return((""));
	296	}
	297
	298
	299	void
	300	pbsdrmaa_job_update( fsd_job_t self, struct batch_status status )
	301	{
	302	struct attrl *attribs = status->attribs;
	303	struct attrl *i = NULL;
	304	char pbs_state = 0;
	305	int exit_status = -2;
	306	const char *cpu_usage = NULL;
	307	const char *mem_usage = NULL;
	308	const char *vmem_usage = NULL;
	309	const char *walltime = NULL;
	310	long unsigned int modify_time = 0;
	311
	312	fsd_log_enter(( "({job_id=%s})", self->job_id ));
	313	#ifdef DEBUGGING
	314	pbsdrmaa_dump_attrl( attribs, NULL );
	315	#endif
	316	fsd_assert( !strcmp( self->job_id, status->name ) );
	317
	318	for( i = attribs; i != NULL; i = i->next )
	319	{
	320	int attr;
	321	attr = pbsdrmaa_pbs_attrib_by_name( i->name );
	322	switch( attr )
	323	{
	324	case PBSDRMAA_ATTR_JOB_STATE:
	325	pbs_state = i->value[0];
	326	break;
	327	case PBSDRMAA_ATTR_EXIT_STATUS:
[29]	328	exit_status = fsd_atoi( i->value );
[1]	329	break;
	330	case PBSDRMAA_ATTR_RESOURCES_USED:
	331	if( !strcmp( i->resource, "cput" ) )
	332	cpu_usage = i->value;
	333	else if( !strcmp( i->resource, "mem" ) )
	334	mem_usage = i->value;
	335	else if( !strcmp( i->resource, "vmem" ) )
	336	vmem_usage = i->value;
	337	else if( !strcmp( i->resource, "walltime" ) )
	338	walltime = i->value;
	339	break;
	340	case PBSDRMAA_ATTR_QUEUE:
	341	if (!self->queue)
	342	self->queue = fsd_strdup(i->value);
	343	break;
	344	case PBSDRMAA_ATTR_ACCOUNT_NAME:
	345	if (!self->project)
	346	self->project = fsd_strdup(i->value);
	347	break;
[26]	348	#ifndef PBS_PROFESSIONAL
[1]	349	case PBSDRMAA_ATTR_EXECUTION_HOST:
	350	if (!self->execution_hosts) {
	351	fsd_log_debug(("execution_hosts = %s", i->value));
	352	self->execution_hosts = fsd_strdup(i->value);
	353	}
	354	break;
[26]	355	#else
	356	case PBSDRMAA_ATTR_EXECUTION_VNODE:
	357	if (!self->execution_hosts) {
	358	fsd_log_debug(("execution_hosts = %s", i->value));
	359	self->execution_hosts = fsd_strdup(i->value);
	360	}
	361	break;
	362	#endif
[1]	363	case PBSDRMAA_ATTR_START_TIME:
	364	{
	365	long unsigned int start_time;
	366	if (self->start_time == 0 && sscanf(i->value, "%lu", &start_time) == 1)
	367	self->start_time = start_time;
	368	break;
	369	}
	370	case PBSDRMAA_ATTR_MTIME:
	371	if (sscanf(i->value, "%lu", &modify_time) != 1)
	372	modify_time = 0;
	373	break;
	374	}
	375	}
	376
	377	if( pbs_state )
	378	fsd_log_debug(( "pbs_state: %c", pbs_state ));
	379
	380	if( exit_status != -2 )
	381	{
	382	fsd_log_debug(( "exit_status: %d", exit_status ));
	383	self->exit_status = exit_status;
	384	}
	385	if(pbs_state){
	386	switch( pbs_state )
	387	{
	388	case 'C': /* Job is completed after having run. */
	389	self->flags &= FSD_JOB_TERMINATED_MASK;
	390	self->flags \|= FSD_JOB_TERMINATED;
	391	if (exit_status != -2) { /* has exit code */
	392	if( self->exit_status == 0)
	393	self->state = DRMAA_PS_DONE;
	394	else
	395	self->state = DRMAA_PS_FAILED;
	396	} else {
	397	self->state = DRMAA_PS_FAILED;
	398	self->exit_status = -1;
	399	}
[22]	400	if (modify_time != 0)
	401	self->end_time = modify_time; /* take last modify time as end time */
	402	else
	403	self->end_time = time(NULL);
	404
	405	if (self->start_time == 0)
	406	self->start_time = self->end_time;
	407
[1]	408	break;
	409	case 'E': /* Job is exiting after having run. - MM: ignore exiting state (transient state) - outputs might have not been transfered yet,
	410	MM2: mark job as running if current job status is undetermined - fix "ps after job was ripped" */
	411	if (self->state == DRMAA_PS_UNDETERMINED)
	412	self->state = DRMAA_PS_RUNNING;
	413	break;
	414	case 'H': /* Job is held. */
	415	self->state = DRMAA_PS_USER_ON_HOLD;
	416	self->flags \|= FSD_JOB_HOLD;
	417	break;
	418	case 'Q': /* Job is queued, eligible to run or routed. */
	419	case 'W': /* Job is waiting for its execution time to be reached. */
	420	self->state = DRMAA_PS_QUEUED_ACTIVE;
	421	self->flags &= ~FSD_JOB_HOLD;
	422	break;
	423	case 'R': /* Job is running. */
	424	case 'T': /* Job is being moved to new location (?). */
	425	{
	426	if( self->flags & FSD_JOB_SUSPENDED )
	427	self->state = DRMAA_PS_USER_SUSPENDED;
	428	else
	429	self->state = DRMAA_PS_RUNNING;
	430	break;
	431	}
	432	case 'S': /* (Unicos only) job is suspend. */
	433	self->state = DRMAA_PS_SYSTEM_SUSPENDED;
	434	break;
	435	case 0: default:
	436	self->state = DRMAA_PS_UNDETERMINED;
	437	break;
	438	}
	439	}
	440	fsd_log_debug(( "job_ps: %s", drmaa_job_ps_to_str(self->state) ));
	441
	442	{
	443	int hours, minutes, seconds;
	444	long mem;
[12]	445	if( cpu_usage && sscanf( cpu_usage, "%d:%d:%d", &hours, &minutes, &seconds ) == 3 )
[1]	446	{
	447	self->cpu_usage = 60( 60hours + minutes ) + seconds;
	448	fsd_log_debug(( "cpu_usage: %s=%lds", cpu_usage, self->cpu_usage ));
	449	}
	450	if( mem_usage && sscanf( mem_usage, "%ldkb", &mem ) == 1 )
	451	{
	452	self->mem_usage = 1024*mem;
	453	fsd_log_debug(( "mem_usage: %s=%ldB", mem_usage, self->mem_usage ));
	454	}
	455	if( vmem_usage && sscanf( vmem_usage, "%ldkb", &mem ) == 1 )
	456	{
	457	self->vmem_usage = 1024*mem;
	458	fsd_log_debug(( "vmem_usage: %s=%ldB", vmem_usage, self->vmem_usage ));
	459	}
[12]	460	if( walltime && sscanf( walltime, "%d:%d:%d", &hours, &minutes, &seconds ) == 3 )
[1]	461	{
	462	self->walltime = 60( 60hours + minutes ) + seconds;
	463	fsd_log_debug(( "walltime: %s=%lds", walltime, self->walltime ));
	464	}
	465	}
	466	}
	467
	468	void
	469	pbsdrmaa_job_on_missing( fsd_job_t *self )
	470	{
[7]	471	pbsdrmaa_session_t pbssession = (pbsdrmaa_session_t)self->session;
[12]	472
[33]	473	if( pbssession->pbs_home != NULL && pbssession->super.wait_thread_started )
[40]	474	fsd_log_info(("Job on missing but WT is running. Skipping...")); /* TODO: try to provide implementation that uses accounting/server log files */
[33]	475	else
[7]	476	pbsdrmaa_job_on_missing_standard( self );
	477	}
	478
	479	void
	480	pbsdrmaa_job_on_missing_standard( fsd_job_t *self )
	481	{
[1]	482	fsd_drmaa_session_t *session = self->session;
[7]	483
[1]	484	unsigned missing_mask = 0;
	485
	486	fsd_log_enter(( "({job_id=%s})", self->job_id ));
[12]	487	fsd_log_warning(( "Job %s missing from DRM queue", self->job_id ));
[1]	488
	489	switch( session->missing_jobs )
[7]	490	{
[1]	491	case FSD_REVEAL_MISSING_JOBS: missing_mask = 0; break;
	492	case FSD_IGNORE_MISSING_JOBS: missing_mask = 0x73; break;
	493	case FSD_IGNORE_QUEUED_MISSING_JOBS: missing_mask = 0x13; break;
[7]	494	}
[40]	495	fsd_log_info(( "last job_ps: %s (0x%02x); mask: 0x%02x",
[1]	496	drmaa_job_ps_to_str(self->state), self->state, missing_mask ));
	497
	498	if( self->state < DRMAA_PS_DONE
	499	&& (self->state & ~missing_mask) )
	500	fsd_exc_raise_fmt(
[17]	501	FSD_DRMAA_ERRNO_INVALID_JOB,
[1]	502	"self %s missing from queue", self->job_id
	503	);
	504
	505	if( (self->flags & FSD_JOB_TERMINATED_MASK) == 0 )
[7]	506	{
[1]	507	self->flags &= FSD_JOB_TERMINATED_MASK;
	508	self->flags \|= FSD_JOB_TERMINATED;
[7]	509	}
[1]	510
	511	if( (self->flags & FSD_JOB_ABORTED) == 0
	512	&& session->missing_jobs == FSD_IGNORE_MISSING_JOBS )
[7]	513	{ /* assume everthing was ok */
[1]	514	self->state = DRMAA_PS_DONE;
	515	self->exit_status = 0;
[7]	516	}
[1]	517	else
[7]	518	{ /* job aborted */
[1]	519	self->state = DRMAA_PS_FAILED;
	520	self->exit_status = -1;
[7]	521	}
[1]	522
[12]	523	fsd_cond_broadcast( &self->status_cond);
	524
[1]	525	fsd_log_return(( "; job_ps=%s, exit_status=%d",
	526	drmaa_job_ps_to_str(self->state), self->exit_status ));
[7]	527	}
	528

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