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source: trunk/jobarchived/jobarchived.py @ 467

Last change on this file since 467 was 467, checked in by bastiaans, 16 years ago

jobarchived/jobarchived.py:

add version to opts

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

File size: 48.1 KB

Rev	Line
[3]	1	#!/usr/bin/env python
[225]	2	#
	3	# This file is part of Jobmonarch
	4	#
	5	# Copyright (C) 2006 Ramon Bastiaans
	6	#
	7	# Jobmonarch is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# Jobmonarch is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
	19	# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	20	#
[230]	21	# SVN $Id: jobarchived.py 467 2008-02-21 10:21:51Z bastiaans $
	22	#
[3]	23
[466]	24	import getopt, syslog, ConfigParser, sys
[3]	25
[466]	26	VERSION='0.3SVN'
[284]	27
[466]	28	def usage( ver ):
[284]	29
[466]	30	print 'jobarchived %s' %VERSION
[284]	31
[466]	32	if ver:
	33	return 0
[284]	34
[435]	35	print
[466]	36	print 'Purpose:'
	37	print ' The Job Archive Daemon (jobarchived) stores batch job information in a SQL database'
	38	print ' and node statistics in a RRD archive'
[435]	39	print
[466]	40	print 'Usage: jobarchived [OPTIONS]'
	41	print
	42	print ' -c, --config=FILE The configuration file to use (default: /etc/jobarchived.conf)'
	43	print ' -p, --pidfile=FILE Use pid file to store the process id'
	44	print ' -h, --help Print help and exit'
	45	print ' -v, --version Print version and exit'
	46	print
[435]	47
[214]	48	def processArgs( args ):
[6]	49
[467]	50	SHORT_L = 'p:hvc:'
	51	LONG_L = [ 'help', 'config=', 'pidfile=', 'version' ]
[169]	52
[466]	53	config_filename = '/etc/jobarchived.conf'
[169]	54
[435]	55	global PIDFILE
	56
	57	PIDFILE = None
	58
[214]	59	try:
[169]	60
[214]	61	opts, args = getopt.getopt( args, SHORT_L, LONG_L )
[9]	62
[214]	63	except getopt.error, detail:
[60]	64
[214]	65	print detail
	66	sys.exit(1)
[9]	67
[214]	68	for opt, value in opts:
[60]	69
[214]	70	if opt in [ '--config', '-c' ]:
[13]	71
[214]	72	config_filename = value
[198]	73
[435]	74	if opt in [ '--pidfile', '-p' ]:
	75
	76	PIDFILE = value
	77
	78	if opt in [ '--help', '-h' ]:
	79
[466]	80	usage( false )
[435]	81	sys.exit( 0 )
	82
[466]	83	if opt in [ '--version', '-v' ]:
[60]	84
[466]	85	usage( true )
	86	sys.exit( 0 )
[22]	87
[214]	88	try:
	89	return loadConfig( config_filename )
[13]	90
[214]	91	except ConfigParser.NoOptionError, detail:
	92
	93	print detail
	94	sys.exit( 1 )
	95
	96	def loadConfig( filename ):
	97
	98	def getlist( cfg_string ):
	99
	100	my_list = [ ]
	101
	102	for item_txt in cfg_string.split( ',' ):
	103
	104	sep_char = None
	105
	106	item_txt = item_txt.strip()
	107
	108	for s_char in [ "'", '"' ]:
	109
	110	if item_txt.find( s_char ) != -1:
	111
	112	if item_txt.count( s_char ) != 2:
	113
	114	print 'Missing quote: %s' %item_txt
	115	sys.exit( 1 )
	116
	117	else:
	118
	119	sep_char = s_char
	120	break
	121
	122	if sep_char:
	123
	124	item_txt = item_txt.split( sep_char )[1]
	125
	126	my_list.append( item_txt )
	127
	128	return my_list
	129
	130	cfg = ConfigParser.ConfigParser()
	131
	132	cfg.read( filename )
	133
[466]	134	global DEBUG_LEVEL, USE_SYSLOG, SYSLOG_LEVEL, SYSLOG_FACILITY, GMETAD_CONF, ARCHIVE_XMLSOURCE
	135	global ARCHIVE_DATASOURCES, ARCHIVE_PATH, ARCHIVE_HOURS_PER_RRD, ARCHIVE_EXCLUDE_METRICS
	136	global JOB_SQL_DBASE, DAEMONIZE, RRDTOOL, JOB_TIMEOUT, MODRRDTOOL
[214]	137
[292]	138	ARCHIVE_PATH = cfg.get( 'DEFAULT', 'ARCHIVE_PATH' )
[214]	139
[292]	140	ARCHIVE_HOURS_PER_RRD = cfg.getint( 'DEFAULT', 'ARCHIVE_HOURS_PER_RRD' )
[214]	141
[292]	142	DEBUG_LEVEL = cfg.getint( 'DEFAULT', 'DEBUG_LEVEL' )
[214]	143
[292]	144	USE_SYSLOG = cfg.getboolean( 'DEFAULT', 'USE_SYSLOG' )
[214]	145
[292]	146	SYSLOG_LEVEL = cfg.getint( 'DEFAULT', 'SYSLOG_LEVEL' )
[214]	147
[375]	148	MODRRDTOOL = False
	149
[214]	150	try:
[375]	151	import rrdtool
[214]	152
[375]	153	MODRRDTOOL = True
	154
	155	except ImportError:
	156
	157	MODRRDTOOL = False
	158
[466]	159	debug_msg( 0, "ERROR: py-rrdtool import FAILED: failing back to DEPRECATED use of rrdtool binary. This will slow down jobarchived significantly!" )
[375]	160
[455]	161	RRDTOOL = cfg.get( 'DEFAULT', 'RRDTOOL' )
	162
[375]	163	try:
	164
[292]	165	SYSLOG_FACILITY = eval( 'syslog.LOG_' + cfg.get( 'DEFAULT', 'SYSLOG_FACILITY' ) )
[214]	166
	167	except AttributeError, detail:
	168
	169	print 'Unknown syslog facility'
	170	sys.exit( 1 )
	171
[292]	172	GMETAD_CONF = cfg.get( 'DEFAULT', 'GMETAD_CONF' )
[214]	173
[292]	174	ARCHIVE_XMLSOURCE = cfg.get( 'DEFAULT', 'ARCHIVE_XMLSOURCE' )
[214]	175
[292]	176	ARCHIVE_DATASOURCES = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_DATASOURCES' ) )
[214]	177
[292]	178	ARCHIVE_EXCLUDE_METRICS = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_EXCLUDE_METRICS' ) )
[214]	179
[292]	180	JOB_SQL_DBASE = cfg.get( 'DEFAULT', 'JOB_SQL_DBASE' )
[214]	181
[295]	182	JOB_TIMEOUT = cfg.getint( 'DEFAULT', 'JOB_TIMEOUT' )
	183
[292]	184	DAEMONIZE = cfg.getboolean( 'DEFAULT', 'DAEMONIZE' )
[214]	185
[224]	186
[214]	187	return True
	188
[17]	189	# What XML data types not to store
[13]	190	#
[17]	191	UNSUPPORTED_ARCHIVE_TYPES = [ 'string' ]
[9]	192
[47]	193	# Maximum time (in seconds) a parsethread may run
	194	#
	195	PARSE_TIMEOUT = 60
	196
	197	# Maximum time (in seconds) a storethread may run
	198	#
	199	STORE_TIMEOUT = 360
	200
[8]	201	"""
[224]	202	The Job Archiving Daemon
[8]	203	"""
	204
[214]	205	from types import *
	206
	207	import xml.sax, xml.sax.handler, socket, string, os, os.path, time, thread, threading, random, re
[379]	208	from pyPgSQL import PgSQL
[214]	209
[379]	210	# Orginal from Andre van der Vlies <andre@vandervlies.xs4all.nl> for MySQL. Changed
	211	# and added some more functions for postgres.
	212	#
	213	#
	214	# Changed by: Bas van der Vlies <basv@sara.nl>
	215	#
	216	# SARA API for Postgres Database
	217	#
	218	# Changed by: Ramon Bastiaans for Job Monarch
	219	#
	220
	221	class InitVars:
	222	Vars = {}
	223
	224	def __init__(self, **key_arg):
	225	for (key, value) in key_arg.items():
	226	if value:
	227	self.Vars[key] = value
	228	else:
	229	self.Vars[key] = None
	230
	231	def __call__(self, *key):
	232	key = "%s" % key
	233	return self.Vars[key]
	234
	235	def __getitem__(self, key):
	236	return self.Vars[key]
	237
	238	def __repr__(self):
	239	return repr(self.Vars)
	240
	241	def keys(self):
	242	barf = map(None, self.Vars.keys())
	243	return barf
	244
	245	def values(self):
	246	barf = map(None, self.Vars.values())
	247	return barf
	248
	249	def has_key(self, key):
	250	if self.Vars.has_key(key):
	251	return 1
	252	else:
	253	return 0
	254
	255	class DBError(Exception):
	256	def __init__(self, msg=''):
	257	self.msg = msg
	258	Exception.__init__(self, msg)
	259	def __repr__(self):
	260	return self.msg
	261	__str__ = __repr__
	262
	263	#
	264	# Class to connect to a database
	265	# and return the queury in a list or dictionairy.
	266	#
	267	class DB:
	268	def __init__(self, db_vars):
	269
	270	self.dict = db_vars
	271
	272	if self.dict.has_key('User'):
	273	self.user = self.dict['User']
	274	else:
	275	self.user = 'postgres'
	276
	277	if self.dict.has_key('Host'):
	278	self.host = self.dict['Host']
	279	else:
	280	self.host = 'localhost'
	281
	282	if self.dict.has_key('Password'):
	283	self.passwd = self.dict['Password']
	284	else:
	285	self.passwd = ''
	286
	287	if self.dict.has_key('DataBaseName'):
	288	self.db = self.dict['DataBaseName']
	289	else:
	290	self.db = 'uva_cluster_db'
	291
	292	# connect_string = 'host:port:database:user:password:
	293	dsn = "%s::%s:%s:%s" %(self.host, self.db, self.user, self.passwd)
	294
	295	try:
	296	self.SQL = PgSQL.connect(dsn)
	297	except PgSQL.Error, details:
	298	str = "%s" %details
	299	raise DBError(str)
	300
	301	def __repr__(self):
	302	return repr(self.result)
	303
	304	def __nonzero__(self):
	305	return not(self.result == None)
	306
	307	def __len__(self):
	308	return len(self.result)
	309
	310	def __getitem__(self,i):
	311	return self.result[i]
	312
	313	def __getslice__(self,i,j):
	314	return self.result[i:j]
	315
	316	def Get(self, q_str):
	317	c = self.SQL.cursor()
	318	try:
	319	c.execute(q_str)
	320	result = c.fetchall()
	321	except PgSQL.Error, details:
	322	c.close()
	323	str = "%s" %details
	324	raise DBError(str)
	325
	326	c.close()
	327	return result
	328
	329	def Set(self, q_str):
	330	c = self.SQL.cursor()
	331	try:
	332	c.execute(q_str)
	333	result = c.oidValue
	334
	335	except PgSQL.Error, details:
	336	c.close()
	337	str = "%s" %details
	338	raise DBError(str)
	339
	340	c.close()
	341	return result
	342
	343	def Commit(self):
	344	self.SQL.commit()
	345
[84]	346	class DataSQLStore:
	347
	348	db_vars = None
	349	dbc = None
	350
	351	def __init__( self, hostname, database ):
	352
[379]	353	self.db_vars = InitVars(DataBaseName=database,
[84]	354	User='root',
	355	Host=hostname,
	356	Password='',
	357	Dictionary='true')
	358
	359	try:
[379]	360	self.dbc = DB(self.db_vars)
	361	except DBError, details:
[169]	362	debug_msg( 0, 'FATAL ERROR: Unable to connect to database!: ' +str(details) )
[84]	363	sys.exit(1)
	364
	365	def setDatabase(self, statement):
	366	ret = self.doDatabase('set', statement)
	367	return ret
	368
	369	def getDatabase(self, statement):
	370	ret = self.doDatabase('get', statement)
	371	return ret
	372
	373	def doDatabase(self, type, statement):
	374
[365]	375	debug_msg( 10, 'doDatabase(): %s: %s' %(type, statement) )
[84]	376	try:
	377	if type == 'set':
	378	result = self.dbc.Set( statement )
	379	self.dbc.Commit()
	380	elif type == 'get':
	381	result = self.dbc.Get( statement )
	382
[379]	383	except DBError, detail:
[84]	384	operation = statement.split(' ')[0]
[169]	385	debug_msg( 0, 'FATAL ERROR: ' +operation+ ' on database failed while doing ['+statement+'] full msg: '+str(detail) )
[84]	386	sys.exit(1)
	387
[365]	388	debug_msg( 10, 'doDatabase(): result: %s' %(result) )
[84]	389	return result
	390
[191]	391	def getJobNodeId( self, job_id, node_id ):
	392
	393	id = self.getDatabase( "SELECT job_id,node_id FROM job_nodes WHERE job_id = '%s' AND node_id = '%s'" %(job_id, node_id) )
	394	if len( id ) > 0:
	395
	396	if len( id[0] ) > 0 and id[0] != '':
	397
	398	return 1
	399
	400	return 0
	401
[84]	402	def getNodeId( self, hostname ):
	403
[89]	404	id = self.getDatabase( "SELECT node_id FROM nodes WHERE node_hostname = '%s'" %hostname )
[84]	405
[89]	406	if len( id ) > 0:
[84]	407
[89]	408	id = id[0][0]
	409
[84]	410	return id
	411	else:
	412	return None
	413
	414	def getNodeIds( self, hostnames ):
	415
	416	ids = [ ]
	417
	418	for node in hostnames:
	419
	420	id = self.getNodeId( node )
	421
	422	if id:
	423	ids.append( id )
	424
	425	return ids
	426
	427	def getJobId( self, jobid ):
	428
	429	id = self.getDatabase( "SELECT job_id FROM jobs WHERE job_id = '%s'" %jobid )
	430
	431	if id:
[89]	432	id = id[0][0]
[84]	433
	434	return id
	435	else:
	436	return None
	437
	438	def addJob( self, job_id, jobattrs ):
	439
	440	if not self.getJobId( job_id ):
	441
	442	self.mutateJob( 'insert', job_id, jobattrs )
	443	else:
	444	self.mutateJob( 'update', job_id, jobattrs )
	445
	446	def mutateJob( self, action, job_id, jobattrs ):
	447
[292]	448	job_values = [ 'name', 'queue', 'owner', 'requested_time', 'requested_memory', 'ppn', 'status', 'start_timestamp', 'stop_timestamp' ]
[84]	449
[292]	450	insert_col_str = 'job_id'
	451	insert_val_str = "'%s'" %job_id
	452	update_str = None
[84]	453
[365]	454	debug_msg( 10, 'mutateJob(): %s %s' %(action,job_id))
[84]	455
[99]	456	ids = [ ]
	457
[84]	458	for valname, value in jobattrs.items():
	459
[96]	460	if valname in job_values and value != '':
[84]	461
	462	column_name = 'job_' + valname
	463
	464	if action == 'insert':
	465
	466	if not insert_col_str:
	467	insert_col_str = column_name
	468	else:
	469	insert_col_str = insert_col_str + ',' + column_name
	470
	471	if not insert_val_str:
	472	insert_val_str = value
	473	else:
	474	insert_val_str = insert_val_str + ",'%s'" %value
	475
	476	elif action == 'update':
	477
	478	if not update_str:
	479	update_str = "%s='%s'" %(column_name, value)
	480	else:
	481	update_str = update_str + ",%s='%s'" %(column_name, value)
	482
[90]	483	elif valname == 'nodes' and value:
[84]	484
[191]	485	node_valid = 1
[190]	486
	487	if len(value) == 1:
	488
[191]	489	if jobattrs['status'] == 'Q':
[190]	490
[191]	491	node_valid = 0
[190]	492
[191]	493	else:
[190]	494
[191]	495	node_valid = 0
[190]	496
[191]	497	for node_char in str(value[0]):
[190]	498
[191]	499	if string.find( string.digits, node_char ) != -1 and not node_valid:
[190]	500
[191]	501	node_valid = 1
[84]	502
[191]	503	if node_valid:
	504
	505	ids = self.addNodes( value, jobattrs['domain'] )
	506
[84]	507	if action == 'insert':
	508
	509	self.setDatabase( "INSERT INTO jobs ( %s ) VALUES ( %s )" %( insert_col_str, insert_val_str ) )
[86]	510
[84]	511	elif action == 'update':
	512
[89]	513	self.setDatabase( "UPDATE jobs SET %s WHERE job_id=%s" %(update_str, job_id) )
[84]	514
[191]	515	if len( ids ) > 0:
	516	self.addJobNodes( job_id, ids )
[190]	517
[154]	518	def addNodes( self, hostnames, domain ):
[84]	519
[98]	520	ids = [ ]
	521
[84]	522	for node in hostnames:
	523
[292]	524	node = '%s.%s' %( node, domain )
	525	id = self.getNodeId( node )
[84]	526
	527	if not id:
	528	self.setDatabase( "INSERT INTO nodes ( node_hostname ) VALUES ( '%s' )" %node )
[98]	529	id = self.getNodeId( node )
[84]	530
[98]	531	ids.append( id )
	532
	533	return ids
	534
[86]	535	def addJobNodes( self, jobid, nodes ):
	536
	537	for node in nodes:
	538
[191]	539	if not self.getJobNodeId( jobid, node ):
	540
	541	self.addJobNode( jobid, node )
	542
[84]	543	def addJobNode( self, jobid, nodeid ):
	544
	545	self.setDatabase( "INSERT INTO job_nodes (job_id,node_id) VALUES ( %s,%s )" %(jobid, nodeid) )
	546
	547	def storeJobInfo( self, jobid, jobattrs ):
	548
	549	self.addJob( jobid, jobattrs )
	550
[295]	551	def checkStaleJobs( self ):
	552
[466]	553	# Locate all jobs in the database that are not set to finished
	554	#
[295]	555	q = "SELECT * from jobs WHERE job_status != 'F'"
	556
	557	r = self.getDatabase( q )
	558
	559	if len( r ) == 0:
	560
	561	return None
	562
	563	cleanjobs = [ ]
	564	timeoutjobs = [ ]
	565
	566	jobtimeout_sec = JOB_TIMEOUT * (60 * 60)
	567	cur_time = time.time()
	568
	569	for row in r:
	570
	571	job_id = row[0]
	572	job_requested_time = row[4]
	573	job_status = row[7]
	574	job_start_timestamp = row[8]
	575
[466]	576	# If it was set to queued and we didn't see it started
	577	# there's not point in keeping it around
	578	#
[295]	579	if job_status == 'Q' or not job_start_timestamp:
	580
	581	cleanjobs.append( job_id )
	582
	583	else:
	584
	585	start_timestamp = int( job_start_timestamp )
	586
[466]	587	# If it was set to running longer than JOB_TIMEOUT
	588	# close the job: it probably finished while we were not running
	589	#
[295]	590	if ( cur_time - start_timestamp ) > jobtimeout_sec:
	591
	592	if job_requested_time:
	593
	594	rtime_epoch = reqtime2epoch( job_requested_time )
	595	else:
	596	rtime_epoch = None
	597
	598	timeoutjobs.append( (job_id, job_start_timestamp, rtime_epoch) )
	599
	600	debug_msg( 1, 'Found ' + str( len( cleanjobs ) ) + ' stale jobs in database: deleting entries' )
	601
[466]	602	# Purge these from database
	603	#
[295]	604	for j in cleanjobs:
	605
	606	q = "DELETE FROM jobs WHERE job_id = '" + str( j ) + "'"
	607	self.setDatabase( q )
	608
	609	debug_msg( 1, 'Found ' + str( len( timeoutjobs ) ) + ' timed out jobs in database: closing entries' )
	610
[466]	611	# Close these jobs in the database
	612	# update the stop_timestamp to: start_timestamp + requested wallclock
	613	# and set state: finished
	614	#
[295]	615	for j in timeoutjobs:
	616
	617	( i, s, r ) = j
	618
	619	if r:
	620	new_end_timestamp = int( s ) + r
	621
	622	q = "UPDATE jobs SET job_stop_timestamp = '" + str( new_end_timestamp ) + "' WHERE job_id = '" + str(i) + "'"
	623	self.setDatabase( q )
	624
[37]	625	class RRDMutator:
[63]	626	"""A class for performing RRD mutations"""
[37]	627
[277]	628	binary = None
[37]	629
[365]	630
[37]	631	def __init__( self, binary=None ):
[63]	632	"""Set alternate binary if supplied"""
[37]	633
	634	if binary:
	635	self.binary = binary
	636
	637	def create( self, filename, args ):
[63]	638	"""Create a new rrd with args"""
	639
[375]	640	global MODRRDTOOL
[37]	641
[375]	642	if MODRRDTOOL:
	643	return self.perform( 'create', filename, args )
	644	else:
	645	return self.perform( 'create', '"' + filename + '"', args )
	646
[37]	647	def update( self, filename, args ):
[63]	648	"""Update a rrd with args"""
	649
[375]	650	global MODRRDTOOL
[37]	651
[375]	652	if MODRRDTOOL:
	653	return self.perform( 'update', filename, args )
	654	else:
	655	return self.perform( 'update', '"' + filename + '"', args )
	656
[42]	657	def grabLastUpdate( self, filename ):
[63]	658	"""Determine the last update time of filename rrd"""
[42]	659
[375]	660	global MODRRDTOOL
	661
[42]	662	last_update = 0
	663
[466]	664	# Use the py-rrdtool module if it's available on this system
	665	#
[375]	666	if MODRRDTOOL:
[53]	667
[375]	668	debug_msg( 8, 'rrdtool.info( ' + filename + ' )' )
[42]	669
[375]	670	rrd_header = { }
[292]	671
[375]	672	try:
	673	rrd_header = rrdtool.info( filename )
	674	except rrdtool.error, msg:
	675	debug_msg( 8, str( msg ) )
	676
	677	if rrd_header.has_key( 'last_update' ):
	678	return last_update
	679	else:
	680	return 0
	681
[466]	682	# For backwards compatiblity: use the rrdtool binary if py-rrdtool is unavailable
	683	# DEPRECATED (slow!)
	684	#
[42]	685	else:
[375]	686	debug_msg( 8, self.binary + ' info ' + filename )
[42]	687
[375]	688	my_pipe = os.popen( self.binary + ' info "' + filename + '"' )
	689
	690	for line in my_pipe.readlines():
	691
	692	if line.find( 'last_update') != -1:
	693
	694	last_update = line.split( ' = ' )[1]
	695
	696	if my_pipe:
	697
	698	my_pipe.close()
	699
	700	if last_update:
	701	return last_update
	702	else:
	703	return 0
	704
	705
[40]	706	def perform( self, action, filename, args ):
[63]	707	"""Perform action on rrd filename with args"""
[37]	708
[375]	709	global MODRRDTOOL
	710
[37]	711	arg_string = None
	712
[40]	713	if type( args ) is not ListType:
	714	debug_msg( 8, 'Arguments needs to be of type List' )
	715	return 1
	716
[37]	717	for arg in args:
	718
	719	if not arg_string:
	720
	721	arg_string = arg
	722	else:
	723	arg_string = arg_string + ' ' + arg
	724
[375]	725	if MODRRDTOOL:
[37]	726
[375]	727	debug_msg( 8, 'rrdtool.' + action + "( " + filename + ' ' + arg_string + ")" )
[292]	728
[375]	729	try:
	730	debug_msg( 8, "filename '" + str(filename) + "' type "+ str(type(filename)) + " args " + str( args ) )
[37]	731
[375]	732	if action == 'create':
[146]	733
[375]	734	rrdtool.create( str( filename ), *args )
[37]	735
[375]	736	elif action == 'update':
[37]	737
[375]	738	rrdtool.update( str( filename ), *args )
[365]	739
[375]	740	except rrdtool.error, msg:
[365]	741
[375]	742	error_msg = str( msg )
	743	debug_msg( 8, error_msg )
	744	return 1
	745
	746	else:
	747
	748	debug_msg( 8, self.binary + ' ' + action + ' ' + filename + ' ' + arg_string )
	749
	750	cmd = os.popen( self.binary + ' ' + action + ' ' + filename + ' ' + arg_string )
	751	lines = cmd.readlines()
	752
	753	cmd.close()
	754
	755	for line in lines:
	756
	757	if line.find( 'ERROR' ) != -1:
	758
	759	error_msg = string.join( line.split( ' ' )[1:] )
	760	debug_msg( 8, error_msg )
	761	return 1
	762
[37]	763	return 0
	764
[78]	765	class XMLProcessor:
	766	"""Skeleton class for XML processor's"""
	767
	768	def run( self ):
	769	"""Do main processing of XML here"""
	770
	771	pass
	772
	773	class TorqueXMLProcessor( XMLProcessor ):
	774	"""Main class for processing XML and acting with it"""
	775
[295]	776	def __init__( self, XMLSource, DataStore ):
[78]	777	"""Setup initial XML connection and handlers"""
	778
[287]	779	self.myXMLSource = XMLSource
[295]	780	self.myXMLHandler = TorqueXMLHandler( DataStore )
[287]	781	self.myXMLError = XMLErrorHandler()
[78]	782
[287]	783	self.config = GangliaConfigParser( GMETAD_CONF )
	784
[78]	785	def run( self ):
	786	"""Main XML processing"""
	787
[169]	788	debug_msg( 1, 'torque_xml_thread(): started.' )
[87]	789
[78]	790	while( 1 ):
	791
[287]	792	#self.myXMLSource = self.mXMLGatherer.getFileObject()
[169]	793	debug_msg( 1, 'torque_xml_thread(): Parsing..' )
[176]	794
[287]	795	my_data = self.myXMLSource.getData()
	796
[176]	797	try:
[287]	798	xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError )
[176]	799	except socket.error, msg:
	800	debug_msg( 0, 'ERROR: Socket error in connect to datasource!: %s' %msg )
	801
[169]	802	debug_msg( 1, 'torque_xml_thread(): Done parsing.' )
	803	debug_msg( 1, 'torque_xml_thread(): Sleeping.. (%ss)' %(str( self.config.getLowestInterval() ) ) )
[87]	804	time.sleep( self.config.getLowestInterval() )
[78]	805
[71]	806	class TorqueXMLHandler( xml.sax.handler.ContentHandler ):
[63]	807	"""Parse Torque's jobinfo XML from our plugin"""
	808
[72]	809	jobAttrs = { }
	810
[295]	811	def __init__( self, datastore ):
[84]	812
[295]	813	#self.ds = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] )
	814	self.ds = datastore
[292]	815	self.jobs_processed = [ ]
	816	self.jobs_to_store = [ ]
[84]	817
[183]	818	def startDocument( self ):
	819
[292]	820	self.heartbeat = 0
[365]	821	self.elementct = 0
[183]	822
[63]	823	def startElement( self, name, attrs ):
	824	"""
	825	This XML will be all gmetric XML
	826	so there will be no specific start/end element
	827	just one XML statement with all info
	828	"""
	829
[73]	830	jobinfo = { }
[63]	831
[365]	832	self.elementct += 1
	833
[199]	834	if name == 'CLUSTER':
[63]	835
[372]	836	self.clustername = str( attrs.get( 'NAME', "" ) )
[199]	837
	838	elif name == 'METRIC' and self.clustername in ARCHIVE_DATASOURCES:
	839
[372]	840	metricname = str( attrs.get( 'NAME', "" ) )
[63]	841
[285]	842	if metricname == 'MONARCH-HEARTBEAT':
[372]	843	self.heartbeat = str( attrs.get( 'VAL', "" ) )
[63]	844
[285]	845	elif metricname.find( 'MONARCH-JOB' ) != -1:
[63]	846
[292]	847	job_id = metricname.split( 'MONARCH-JOB-' )[1].split( '-' )[0]
[372]	848	val = str( attrs.get( 'VAL', "" ) )
[63]	849
[96]	850	if not job_id in self.jobs_processed:
[292]	851
[96]	852	self.jobs_processed.append( job_id )
	853
[73]	854	check_change = 0
	855
	856	if self.jobAttrs.has_key( job_id ):
[292]	857
[73]	858	check_change = 1
	859
[63]	860	valinfo = val.split( ' ' )
	861
	862	for myval in valinfo:
	863
[84]	864	if len( myval.split( '=' ) ) > 1:
[63]	865
[292]	866	valname = myval.split( '=' )[0]
	867	value = myval.split( '=' )[1]
[70]	868
[84]	869	if valname == 'nodes':
	870	value = value.split( ';' )
[72]	871
[84]	872	jobinfo[ valname ] = value
	873
[73]	874	if check_change:
[182]	875	if self.jobinfoChanged( self.jobAttrs, job_id, jobinfo ) and self.jobAttrs[ job_id ]['status'] in [ 'R', 'Q' ]:
[292]	876	self.jobAttrs[ job_id ]['stop_timestamp'] = ''
	877	self.jobAttrs[ job_id ] = self.setJobAttrs( self.jobAttrs[ job_id ], jobinfo )
[84]	878	if not job_id in self.jobs_to_store:
	879	self.jobs_to_store.append( job_id )
	880
[365]	881	debug_msg( 10, 'jobinfo for job %s has changed' %job_id )
[73]	882	else:
	883	self.jobAttrs[ job_id ] = jobinfo
[84]	884
	885	if not job_id in self.jobs_to_store:
	886	self.jobs_to_store.append( job_id )
	887
[365]	888	debug_msg( 10, 'jobinfo for job %s has changed' %job_id )
[73]	889
[77]	890	def endDocument( self ):
[74]	891	"""When all metrics have gone, check if any jobs have finished"""
[72]	892
[371]	893	debug_msg( 1, "XML: Processed "+str(self.elementct)+ " elements - found "+str(len(self.jobs_to_store))+" (updated) jobs" )
[365]	894
[182]	895	if self.heartbeat:
	896	for jobid, jobinfo in self.jobAttrs.items():
[74]	897
[182]	898	# This is an old job, not in current jobinfo list anymore
	899	# it must have finished, since we _did_ get a new heartbeat
	900	#
	901	mytime = int( jobinfo['reported'] ) + int( jobinfo['poll_interval'] )
[102]	902
[184]	903	if (mytime < self.heartbeat) and (jobid not in self.jobs_processed) and (jobinfo['status'] == 'R'):
[74]	904
[182]	905	if not jobid in self.jobs_processed:
	906	self.jobs_processed.append( jobid )
[96]	907
[182]	908	self.jobAttrs[ jobid ]['status'] = 'F'
[360]	909	self.jobAttrs[ jobid ]['stop_timestamp'] = str( self.heartbeat )
[96]	910
[182]	911	if not jobid in self.jobs_to_store:
	912	self.jobs_to_store.append( jobid )
[74]	913
[182]	914	debug_msg( 1, 'torque_xml_thread(): Storing..' )
[87]	915
[182]	916	for jobid in self.jobs_to_store:
[295]	917	if self.jobAttrs[ jobid ]['status'] in [ 'R', 'F' ]:
[84]	918
[184]	919	self.ds.storeJobInfo( jobid, self.jobAttrs[ jobid ] )
	920
	921	if self.jobAttrs[ jobid ]['status'] == 'F':
	922	del self.jobAttrs[ jobid ]
	923
[182]	924	debug_msg( 1, 'torque_xml_thread(): Done storing.' )
[87]	925
[292]	926	self.jobs_processed = [ ]
	927	self.jobs_to_store = [ ]
[84]	928
[82]	929	def setJobAttrs( self, old, new ):
	930	"""
	931	Set new job attributes in old, but not lose existing fields
	932	if old attributes doesn't have those
	933	"""
	934
	935	for valname, value in new.items():
	936	old[ valname ] = value
	937
	938	return old
	939
	940
[73]	941	def jobinfoChanged( self, jobattrs, jobid, jobinfo ):
[74]	942	"""
	943	Check if jobinfo has changed from jobattrs[jobid]
	944	if it's report time is bigger than previous one
	945	and it is report time is recent (equal to heartbeat)
	946	"""
[72]	947
[87]	948	ignore_changes = [ 'reported' ]
	949
[73]	950	if jobattrs.has_key( jobid ):
	951
	952	for valname, value in jobinfo.items():
	953
[87]	954	if valname not in ignore_changes:
[73]	955
[87]	956	if jobattrs[ jobid ].has_key( valname ):
[73]	957
[87]	958	if value != jobattrs[ jobid ][ valname ]:
[73]	959
[87]	960	if jobinfo['reported'] > jobattrs[ jobid ][ 'reported' ] and jobinfo['reported'] == self.heartbeat:
[360]	961	return True
[73]	962
[87]	963	else:
[360]	964	return True
[87]	965
[360]	966	return False
[73]	967
[71]	968	class GangliaXMLHandler( xml.sax.handler.ContentHandler ):
[63]	969	"""Parse Ganglia's XML"""
[3]	970
[295]	971	def __init__( self, config, datastore ):
[63]	972	"""Setup initial variables and gather info on existing rrd archive"""
	973
[292]	974	self.config = config
	975	self.clusters = { }
[295]	976	self.ds = datastore
[324]	977
[295]	978	debug_msg( 1, 'Checking database..' )
[365]	979
	980	global DEBUG_LEVEL
	981
	982	if DEBUG_LEVEL <= 2:
	983	self.ds.checkStaleJobs()
	984
[295]	985	debug_msg( 1, 'Check done.' )
[296]	986	debug_msg( 1, 'Checking rrd archive..' )
[293]	987	self.gatherClusters()
[169]	988	debug_msg( 1, 'Check done.' )
[33]	989
[44]	990	def gatherClusters( self ):
[63]	991	"""Find all existing clusters in archive dir"""
[44]	992
[292]	993	archive_dir = check_dir(ARCHIVE_PATH)
[44]	994
[292]	995	hosts = [ ]
[44]	996
	997	if os.path.exists( archive_dir ):
	998
[292]	999	dirlist = os.listdir( archive_dir )
[44]	1000
[369]	1001	for cfgcluster in ARCHIVE_DATASOURCES:
	1002
	1003	if cfgcluster not in dirlist:
	1004
	1005	# Autocreate a directory for this cluster
	1006	# assume it is new
	1007	#
	1008	cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), cfgcluster )
	1009
	1010	os.mkdir( cluster_dir )
	1011
[370]	1012	dirlist.append( cfgcluster )
	1013
[44]	1014	for item in dirlist:
	1015
	1016	clustername = item
	1017
[60]	1018	if not self.clusters.has_key( clustername ) and clustername in ARCHIVE_DATASOURCES:
[44]	1019
	1020	self.clusters[ clustername ] = RRDHandler( self.config, clustername )
	1021
[365]	1022	debug_msg( 9, "Found "+str(len(self.clusters.keys()))+" clusters" )
	1023
[6]	1024	def startElement( self, name, attrs ):
[63]	1025	"""Memorize appropriate data from xml start tags"""
[3]	1026
[7]	1027	if name == 'GANGLIA_XML':
[32]	1028
[372]	1029	self.XMLSource = str( attrs.get( 'SOURCE', "" ) )
	1030	self.gangliaVersion = str( attrs.get( 'VERSION', "" ) )
[32]	1031
[12]	1032	debug_msg( 10, 'Found XML data: source %s version %s' %( self.XMLSource, self.gangliaVersion ) )
[6]	1033
[7]	1034	elif name == 'GRID':
[32]	1035
[372]	1036	self.gridName = str( attrs.get( 'NAME', "" ) )
	1037	self.time = str( attrs.get( 'LOCALTIME', "" ) )
[32]	1038
[12]	1039	debug_msg( 10, '`-Grid found: %s' %( self.gridName ) )
[6]	1040
[7]	1041	elif name == 'CLUSTER':
[32]	1042
[372]	1043	self.clusterName = str( attrs.get( 'NAME', "" ) )
	1044	self.time = str( attrs.get( 'LOCALTIME', "" ) )
[32]	1045
[60]	1046	if not self.clusters.has_key( self.clusterName ) and self.clusterName in ARCHIVE_DATASOURCES:
[32]	1047
[34]	1048	self.clusters[ self.clusterName ] = RRDHandler( self.config, self.clusterName )
[33]	1049
[35]	1050	debug_msg( 10, ' \|-Cluster found: %s' %( self.clusterName ) )
[6]	1051
[60]	1052	elif name == 'HOST' and self.clusterName in ARCHIVE_DATASOURCES:
[32]	1053
[372]	1054	self.hostName = str( attrs.get( 'NAME', "" ) )
	1055	self.hostIp = str( attrs.get( 'IP', "" ) )
	1056	self.hostReported = str( attrs.get( 'REPORTED', "" ) )
[32]	1057
[12]	1058	debug_msg( 10, ' \| \|-Host found: %s - ip %s reported %s' %( self.hostName, self.hostIp, self.hostReported ) )
[6]	1059
[60]	1060	elif name == 'METRIC' and self.clusterName in ARCHIVE_DATASOURCES:
[6]	1061
[372]	1062	type = str( attrs.get( 'TYPE', "" ) )
[198]	1063
	1064	exclude_metric = False
	1065
	1066	for ex_metricstr in ARCHIVE_EXCLUDE_METRICS:
[6]	1067
[372]	1068	orig_name = str( attrs.get( 'NAME', "" ) )
[3]	1069
[198]	1070	if string.lower( orig_name ) == string.lower( ex_metricstr ):
	1071
	1072	exclude_metric = True
	1073
	1074	elif re.match( ex_metricstr, orig_name ):
	1075
	1076	exclude_metric = True
	1077
	1078	if type not in UNSUPPORTED_ARCHIVE_TYPES and not exclude_metric:
	1079
[292]	1080	myMetric = { }
[372]	1081	myMetric['name'] = str( attrs.get( 'NAME', "" ) )
	1082	myMetric['val'] = str( attrs.get( 'VAL', "" ) )
[292]	1083	myMetric['time'] = self.hostReported
[3]	1084
[34]	1085	self.clusters[ self.clusterName ].memMetric( self.hostName, myMetric )
[3]	1086
[34]	1087	debug_msg( 11, ' \| \| \|-metric: %s:%s' %( myMetric['name'], myMetric['val'] ) )
[6]	1088
[34]	1089	def storeMetrics( self ):
[63]	1090	"""Store metrics of each cluster rrd handler"""
[9]	1091
[34]	1092	for clustername, rrdh in self.clusters.items():
[16]	1093
[38]	1094	ret = rrdh.storeMetrics()
[9]	1095
[38]	1096	if ret:
	1097	debug_msg( 9, 'An error occured while storing metrics for cluster %s' %clustername )
	1098	return 1
	1099
	1100	return 0
	1101
[71]	1102	class XMLErrorHandler( xml.sax.handler.ErrorHandler ):
	1103
	1104	def error( self, exception ):
	1105	"""Recoverable error"""
	1106
[169]	1107	debug_msg( 0, 'Recoverable XML error ' + str( exception ) + ' ignored.' )
[71]	1108
	1109	def fatalError( self, exception ):
	1110	"""Non-recoverable error"""
	1111
	1112	exception_str = str( exception )
	1113
	1114	# Ignore 'no element found' errors
	1115	if exception_str.find( 'no element found' ) != -1:
[169]	1116	debug_msg( 0, 'No XML data found: Socket not (re)connected or datasource not available.' )
[71]	1117	return 0
	1118
[170]	1119	debug_msg( 0, 'FATAL ERROR: Non-recoverable XML error ' + str( exception ) )
[71]	1120	sys.exit( 1 )
	1121
	1122	def warning( self, exception ):
	1123	"""Warning"""
	1124
	1125	debug_msg( 0, 'Warning ' + str( exception ) )
	1126
[78]	1127	class XMLGatherer:
[63]	1128	"""Setup a connection and file object to Ganglia's XML"""
[3]	1129
[287]	1130	s = None
	1131	fd = None
	1132	data = None
[293]	1133	slot = None
[8]	1134
[287]	1135	# Time since the last update
	1136	#
	1137	LAST_UPDATE = 0
	1138
	1139	# Minimum interval between updates
	1140	#
	1141	MIN_UPDATE_INT = 10
	1142
	1143	# Is a update occuring now
	1144	#
	1145	update_now = False
	1146
[8]	1147	def __init__( self, host, port ):
[63]	1148	"""Store host and port for connection"""
[8]	1149
[293]	1150	self.host = host
	1151	self.port = port
	1152	self.slot = threading.Lock()
[3]	1153
[287]	1154	self.retrieveData()
	1155
	1156	def retrieveData( self ):
[63]	1157	"""Setup connection to XML source"""
[8]	1158
[287]	1159	self.update_now = True
	1160
[293]	1161	self.slot.acquire()
	1162
[8]	1163	for res in socket.getaddrinfo( self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM ):
[32]	1164
[5]	1165	af, socktype, proto, canonname, sa = res
[32]	1166
[5]	1167	try:
[32]	1168
[8]	1169	self.s = socket.socket( af, socktype, proto )
[32]	1170
[5]	1171	except socket.error, msg:
[32]	1172
[8]	1173	self.s = None
[5]	1174	continue
[32]	1175
[5]	1176	try:
[32]	1177
[8]	1178	self.s.connect( sa )
[32]	1179
[5]	1180	except socket.error, msg:
[32]	1181
[70]	1182	self.disconnect()
[5]	1183	continue
[32]	1184
[5]	1185	break
[3]	1186
[8]	1187	if self.s is None:
[32]	1188
[170]	1189	debug_msg( 0, 'FATAL ERROR: Could not open socket or unable to connect to datasource!' )
[287]	1190	self.update_now = False
[33]	1191	sys.exit( 1 )
[5]	1192
[287]	1193	else:
[324]	1194	#self.s.send( '\n' )
[287]	1195
	1196	my_fp = self.s.makefile( 'r' )
	1197	my_data = my_fp.readlines()
	1198	my_data = string.join( my_data, '' )
	1199
	1200	self.data = my_data
	1201
	1202	self.LAST_UPDATE = time.time()
	1203
[293]	1204	self.slot.release()
	1205
[287]	1206	self.update_now = False
	1207
[33]	1208	def disconnect( self ):
[63]	1209	"""Close socket"""
[33]	1210
	1211	if self.s:
[287]	1212	#self.s.shutdown( 2 )
[33]	1213	self.s.close()
	1214	self.s = None
	1215
	1216	def __del__( self ):
[63]	1217	"""Kill the socket before we leave"""
[33]	1218
	1219	self.disconnect()
	1220
[287]	1221	def reGetData( self ):
[70]	1222	"""Reconnect"""
[33]	1223
[287]	1224	while self.update_now:
	1225
	1226	# Must be another update in progress:
	1227	# Wait until the update is complete
	1228	#
	1229	time.sleep( 1 )
	1230
[38]	1231	if self.s:
	1232	self.disconnect()
[33]	1233
[287]	1234	self.retrieveData()
[5]	1235
[287]	1236	def getData( self ):
	1237
	1238	"""Return the XML data"""
	1239
	1240	# If more than MIN_UPDATE_INT seconds passed since last data update
	1241	# update the XML first before returning it
	1242	#
	1243
	1244	cur_time = time.time()
	1245
	1246	if ( cur_time - self.LAST_UPDATE ) > self.MIN_UPDATE_INT:
	1247
	1248	self.reGetData()
	1249
	1250	while self.update_now:
	1251
	1252	# Must be another update in progress:
	1253	# Wait until the update is complete
	1254	#
	1255	time.sleep( 1 )
	1256
	1257	return self.data
	1258
[70]	1259	def makeFileDescriptor( self ):
	1260	"""Make file descriptor that points to our socket connection"""
	1261
	1262	self.reconnect()
	1263
	1264	if self.s:
	1265	self.fd = self.s.makefile( 'r' )
	1266
	1267	def getFileObject( self ):
	1268	"""Connect, and return a file object"""
	1269
[78]	1270	self.makeFileDescriptor()
	1271
[70]	1272	if self.fd:
	1273	return self.fd
	1274
[78]	1275	class GangliaXMLProcessor( XMLProcessor ):
[63]	1276	"""Main class for processing XML and acting with it"""
[5]	1277
[295]	1278	def __init__( self, XMLSource, DataStore ):
[63]	1279	"""Setup initial XML connection and handlers"""
[33]	1280
[287]	1281	self.config = GangliaConfigParser( GMETAD_CONF )
[33]	1282
[293]	1283	#self.myXMLGatherer = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] )
[287]	1284	#self.myXMLSource = self.myXMLGatherer.getFileObject()
	1285	self.myXMLSource = XMLSource
[295]	1286	self.ds = DataStore
	1287	self.myXMLHandler = GangliaXMLHandler( self.config, self.ds )
[287]	1288	self.myXMLError = XMLErrorHandler()
[73]	1289
[9]	1290	def run( self ):
[63]	1291	"""Main XML processing; start a xml and storethread"""
[8]	1292
[102]	1293	xml_thread = threading.Thread( None, self.processXML, 'xmlthread' )
	1294	store_thread = threading.Thread( None, self.storeMetrics, 'storethread' )
[22]	1295
[36]	1296	while( 1 ):
	1297
[102]	1298	if not xml_thread.isAlive():
[36]	1299	# Gather XML at the same interval as gmetad
	1300
	1301	# threaded call to: self.processXML()
	1302	#
[169]	1303	try:
	1304	xml_thread = threading.Thread( None, self.processXML, 'xml_thread' )
	1305	xml_thread.start()
[176]	1306	except thread.error, msg:
[169]	1307	debug_msg( 0, 'ERROR: Unable to start xml_thread!: '+str(msg))
	1308	#return 1
[36]	1309
[102]	1310	if not store_thread.isAlive():
[55]	1311	# Store metrics every .. sec
[36]	1312
[55]	1313	# threaded call to: self.storeMetrics()
	1314	#
[169]	1315	try:
	1316	store_thread = threading.Thread( None, self.storeMetrics, 'store_thread' )
	1317	store_thread.start()
[176]	1318	except thread.error, msg:
[169]	1319	debug_msg( 0, 'ERROR: Unable to start store_thread!: '+str(msg))
	1320	#return 1
[36]	1321
	1322	# Just sleep a sec here, to prevent daemon from going mad. We're all threads here anyway
	1323	time.sleep( 1 )
	1324
[33]	1325	def storeMetrics( self ):
[63]	1326	"""Store metrics retained in memory to disk"""
[22]	1327
[365]	1328	global DEBUG_LEVEL
	1329
[63]	1330	# Store metrics somewhere between every 360 and 640 seconds
[38]	1331	#
[365]	1332	if DEBUG_LEVEL > 2:
	1333	#STORE_INTERVAL = 60
	1334	STORE_INTERVAL = random.randint( 360, 640 )
	1335	else:
	1336	STORE_INTERVAL = random.randint( 360, 640 )
[22]	1337
[169]	1338	try:
	1339	store_metric_thread = threading.Thread( None, self.storeThread, 'store_metric_thread' )
	1340	store_metric_thread.start()
[176]	1341	except thread.error, msg:
[169]	1342	debug_msg( 0, 'ERROR: Unable to start ganglia_store_thread()!: '+str(msg) )
	1343	return 1
[36]	1344
[169]	1345	debug_msg( 1, 'ganglia_store_thread(): started.' )
	1346
	1347	debug_msg( 1, 'ganglia_store_thread(): Sleeping.. (%ss)' %STORE_INTERVAL )
[36]	1348	time.sleep( STORE_INTERVAL )
[169]	1349	debug_msg( 1, 'ganglia_store_thread(): Done sleeping.' )
[36]	1350
[102]	1351	if store_metric_thread.isAlive():
[36]	1352
[169]	1353	debug_msg( 1, 'ganglia_store_thread(): storemetricthread() still running, waiting to finish..' )
[136]	1354	store_metric_thread.join( STORE_TIMEOUT ) # Maximum time is for storing thread to finish
[169]	1355	debug_msg( 1, 'ganglia_store_thread(): Done waiting.' )
[36]	1356
[169]	1357	debug_msg( 1, 'ganglia_store_thread(): finished.' )
[36]	1358
	1359	return 0
	1360
[39]	1361	def storeThread( self ):
[63]	1362	"""Actual metric storing thread"""
[39]	1363
[169]	1364	debug_msg( 1, 'ganglia_store_metric_thread(): started.' )
	1365	debug_msg( 1, 'ganglia_store_metric_thread(): Storing data..' )
[78]	1366	ret = self.myXMLHandler.storeMetrics()
[176]	1367	if ret > 0:
	1368	debug_msg( 0, 'ganglia_store_metric_thread(): UNKNOWN ERROR %s while storing Metrics!' %str(ret) )
[169]	1369	debug_msg( 1, 'ganglia_store_metric_thread(): Done storing.' )
	1370	debug_msg( 1, 'ganglia_store_metric_thread(): finished.' )
[39]	1371
[176]	1372	return 0
[39]	1373
[8]	1374	def processXML( self ):
[63]	1375	"""Process XML"""
[8]	1376
[169]	1377	try:
	1378	parsethread = threading.Thread( None, self.parseThread, 'parsethread' )
	1379	parsethread.start()
[176]	1380	except thread.error, msg:
[169]	1381	debug_msg( 0, 'ERROR: Unable to start ganglia_xml_thread()!: ' + str(msg) )
	1382	return 1
[8]	1383
[169]	1384	debug_msg( 1, 'ganglia_xml_thread(): started.' )
[36]	1385
[169]	1386	debug_msg( 1, 'ganglia_xml_thread(): Sleeping.. (%ss)' %self.config.getLowestInterval() )
[36]	1387	time.sleep( float( self.config.getLowestInterval() ) )
[169]	1388	debug_msg( 1, 'ganglia_xml_thread(): Done sleeping.' )
[36]	1389
	1390	if parsethread.isAlive():
	1391
[169]	1392	debug_msg( 1, 'ganglia_xml_thread(): parsethread() still running, waiting (%ss) to finish..' %PARSE_TIMEOUT )
[47]	1393	parsethread.join( PARSE_TIMEOUT ) # Maximum time for XML thread to finish
[169]	1394	debug_msg( 1, 'ganglia_xml_thread(): Done waiting.' )
[36]	1395
[169]	1396	debug_msg( 1, 'ganglia_xml_thread(): finished.' )
[36]	1397
	1398	return 0
	1399
[39]	1400	def parseThread( self ):
[63]	1401	"""Actual parsing thread"""
[39]	1402
[169]	1403	debug_msg( 1, 'ganglia_parse_thread(): started.' )
	1404	debug_msg( 1, 'ganglia_parse_thread(): Parsing XML..' )
[287]	1405	#self.myXMLSource = self.myXMLGatherer.getFileObject()
	1406
	1407	my_data = self.myXMLSource.getData()
[176]	1408
[293]	1409	#print my_data
	1410
[176]	1411	try:
[287]	1412	xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError )
[176]	1413	except socket.error, msg:
	1414	debug_msg( 0, 'ERROR: Socket error in connect to datasource!: %s' %msg )
	1415
[169]	1416	debug_msg( 1, 'ganglia_parse_thread(): Done parsing.' )
	1417	debug_msg( 1, 'ganglia_parse_thread(): finished.' )
[39]	1418
[176]	1419	return 0
[39]	1420
[9]	1421	class GangliaConfigParser:
	1422
[34]	1423	sources = [ ]
[9]	1424
	1425	def __init__( self, config ):
[63]	1426	"""Parse some stuff from our gmetad's config, such as polling interval"""
[32]	1427
[9]	1428	self.config = config
	1429	self.parseValues()
	1430
[32]	1431	def parseValues( self ):
[63]	1432	"""Parse certain values from gmetad.conf"""
[9]	1433
	1434	readcfg = open( self.config, 'r' )
	1435
	1436	for line in readcfg.readlines():
	1437
	1438	if line.count( '"' ) > 1:
	1439
[10]	1440	if line.find( 'data_source' ) != -1 and line[0] != '#':
[9]	1441
[292]	1442	source = { }
	1443	source['name'] = line.split( '"' )[1]
	1444	source_words = line.split( '"' )[2].split( ' ' )
[9]	1445
	1446	for word in source_words:
	1447
	1448	valid_interval = 1
	1449
	1450	for letter in word:
[32]	1451
[9]	1452	if letter not in string.digits:
[32]	1453
[9]	1454	valid_interval = 0
	1455
[10]	1456	if valid_interval and len(word) > 0:
[32]	1457
[9]	1458	source['interval'] = word
[12]	1459	debug_msg( 9, 'polling interval for %s = %s' %(source['name'], source['interval'] ) )
[33]	1460
	1461	# No interval found, use Ganglia's default
	1462	if not source.has_key( 'interval' ):
	1463	source['interval'] = 15
	1464	debug_msg( 9, 'polling interval for %s defaulted to 15' %(source['name']) )
[32]	1465
[33]	1466	self.sources.append( source )
[9]	1467
	1468	def getInterval( self, source_name ):
[63]	1469	"""Return interval for source_name"""
[32]	1470
[9]	1471	for source in self.sources:
[32]	1472
[12]	1473	if source['name'] == source_name:
[32]	1474
[9]	1475	return source['interval']
[32]	1476
[9]	1477	return None
	1478
[34]	1479	def getLowestInterval( self ):
[63]	1480	"""Return the lowest interval of all clusters"""
[34]	1481
	1482	lowest_interval = 0
	1483
	1484	for source in self.sources:
	1485
	1486	if not lowest_interval or source['interval'] <= lowest_interval:
	1487
	1488	lowest_interval = source['interval']
	1489
	1490	# Return 15 when nothing is found, so that the daemon won't go insane with 0 sec delays
	1491	if lowest_interval:
	1492	return lowest_interval
	1493	else:
	1494	return 15
	1495
[9]	1496	class RRDHandler:
[63]	1497	"""Class for handling RRD activity"""
[9]	1498
[32]	1499	myMetrics = { }
[40]	1500	lastStored = { }
[47]	1501	timeserials = { }
[36]	1502	slot = None
[32]	1503
[33]	1504	def __init__( self, config, cluster ):
[63]	1505	"""Setup initial variables"""
[78]	1506
[455]	1507	global MODRRDTOOL
	1508
[292]	1509	self.block = 0
	1510	self.cluster = cluster
	1511	self.config = config
	1512	self.slot = threading.Lock()
	1513
[455]	1514	if MODRRDTOOL:
	1515
	1516	self.rrdm = RRDMutator()
	1517	else:
	1518	self.rrdm = RRDMutator( RRDTOOL )
	1519
[365]	1520	global DEBUG_LEVEL
[9]	1521
[365]	1522	if DEBUG_LEVEL <= 2:
	1523	self.gatherLastUpdates()
	1524
[42]	1525	def gatherLastUpdates( self ):
[63]	1526	"""Populate the lastStored list, containing timestamps of all last updates"""
[42]	1527
	1528	cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster )
	1529
	1530	hosts = [ ]
	1531
	1532	if os.path.exists( cluster_dir ):
	1533
[44]	1534	dirlist = os.listdir( cluster_dir )
[42]	1535
[44]	1536	for dir in dirlist:
[42]	1537
[44]	1538	hosts.append( dir )
[42]	1539
	1540	for host in hosts:
	1541
[292]	1542	host_dir = cluster_dir + '/' + host
	1543	dirlist = os.listdir( host_dir )
[47]	1544
	1545	for dir in dirlist:
	1546
	1547	if not self.timeserials.has_key( host ):
	1548
	1549	self.timeserials[ host ] = [ ]
	1550
	1551	self.timeserials[ host ].append( dir )
	1552
[42]	1553	last_serial = self.getLastRrdTimeSerial( host )
[292]	1554
[42]	1555	if last_serial:
	1556
	1557	metric_dir = cluster_dir + '/' + host + '/' + last_serial
[292]	1558
[42]	1559	if os.path.exists( metric_dir ):
	1560
[44]	1561	dirlist = os.listdir( metric_dir )
[42]	1562
[44]	1563	for file in dirlist:
[42]	1564
[44]	1565	metricname = file.split( '.rrd' )[0]
[42]	1566
[44]	1567	if not self.lastStored.has_key( host ):
[42]	1568
[44]	1569	self.lastStored[ host ] = { }
[42]	1570
[44]	1571	self.lastStored[ host ][ metricname ] = self.rrdm.grabLastUpdate( metric_dir + '/' + file )
[42]	1572
[32]	1573	def getClusterName( self ):
[63]	1574	"""Return clustername"""
	1575
[32]	1576	return self.cluster
	1577
	1578	def memMetric( self, host, metric ):
[63]	1579	"""Store metric from host in memory"""
[32]	1580
[179]	1581	# <ATOMIC>
	1582	#
	1583	self.slot.acquire()
	1584
[34]	1585	if self.myMetrics.has_key( host ):
[32]	1586
[34]	1587	if self.myMetrics[ host ].has_key( metric['name'] ):
[32]	1588
[34]	1589	for mymetric in self.myMetrics[ host ][ metric['name'] ]:
[32]	1590
[34]	1591	if mymetric['time'] == metric['time']:
[32]	1592
[34]	1593	# Allready have this metric, abort
[179]	1594	self.slot.release()
[34]	1595	return 1
	1596	else:
	1597	self.myMetrics[ host ][ metric['name'] ] = [ ]
	1598	else:
[292]	1599	self.myMetrics[ host ] = { }
	1600	self.myMetrics[ host ][ metric['name'] ] = [ ]
[32]	1601
[63]	1602	# Push new metric onto stack
	1603	# atomic code; only 1 thread at a time may access the stack
	1604
[32]	1605	self.myMetrics[ host ][ metric['name'] ].append( metric )
	1606
[40]	1607	self.slot.release()
[53]	1608	#
	1609	# </ATOMIC>
[40]	1610
[47]	1611	def makeUpdateList( self, host, metriclist ):
[63]	1612	"""
	1613	Make a list of update values for rrdupdate
	1614	but only those that we didn't store before
	1615	"""
[37]	1616
[292]	1617	update_list = [ ]
	1618	metric = None
[37]	1619
[47]	1620	while len( metriclist ) > 0:
[37]	1621
[53]	1622	metric = metriclist.pop( 0 )
[37]	1623
[53]	1624	if self.checkStoreMetric( host, metric ):
[292]	1625
[365]	1626	u_val = str( metric['time'] ) + ':' + str( metric['val'] )
	1627	#update_list.append( str('%s:%s') %( metric['time'], metric['val'] ) )
	1628	update_list.append( u_val )
[40]	1629
[37]	1630	return update_list
	1631
[49]	1632	def checkStoreMetric( self, host, metric ):
[63]	1633	"""Check if supplied metric if newer than last one stored"""
[40]	1634
	1635	if self.lastStored.has_key( host ):
	1636
[47]	1637	if self.lastStored[ host ].has_key( metric['name'] ):
[40]	1638
[47]	1639	if metric['time'] <= self.lastStored[ host ][ metric['name'] ]:
[40]	1640
[50]	1641	# This is old
[40]	1642	return 0
	1643
[50]	1644	return 1
	1645
[54]	1646	def memLastUpdate( self, host, metricname, metriclist ):
[63]	1647	"""
	1648	Memorize the time of the latest metric from metriclist
	1649	but only if it wasn't allready memorized
	1650	"""
[50]	1651
[54]	1652	if not self.lastStored.has_key( host ):
	1653	self.lastStored[ host ] = { }
	1654
[50]	1655	last_update_time = 0
	1656
	1657	for metric in metriclist:
	1658
[54]	1659	if metric['name'] == metricname:
[50]	1660
[54]	1661	if metric['time'] > last_update_time:
[50]	1662
[54]	1663	last_update_time = metric['time']
[40]	1664
[54]	1665	if self.lastStored[ host ].has_key( metricname ):
[52]	1666
[54]	1667	if last_update_time <= self.lastStored[ host ][ metricname ]:
[52]	1668	return 1
[40]	1669
[54]	1670	self.lastStored[ host ][ metricname ] = last_update_time
[52]	1671
[33]	1672	def storeMetrics( self ):
[63]	1673	"""
	1674	Store all metrics from memory to disk
	1675	and do it to the RRD's in appropriate timeperiod directory
	1676	"""
[33]	1677
[365]	1678	debug_msg( 5, "Entering storeMetrics()")
	1679
	1680	count_values = 0
	1681	count_metrics = 0
	1682	count_bits = 0
	1683
[33]	1684	for hostname, mymetrics in self.myMetrics.items():
	1685
	1686	for metricname, mymetric in mymetrics.items():
	1687
[365]	1688	count_metrics += 1
	1689
	1690	for dmetric in mymetric:
	1691
	1692	count_values += 1
	1693
	1694	count_bits += len( dmetric['time'] )
	1695	count_bits += len( dmetric['val'] )
	1696
	1697	count_bytes = count_bits / 8
	1698
	1699	debug_msg( 5, "size of cluster '" + self.cluster + "': " +
	1700	str( len( self.myMetrics.keys() ) ) + " hosts " +
	1701	str( count_metrics ) + " metrics " + str( count_values ) + " values " +
	1702	str( count_bits ) + " bits " + str( count_bytes ) + " bytes " )
	1703
	1704	for hostname, mymetrics in self.myMetrics.items():
	1705
	1706	for metricname, mymetric in mymetrics.items():
	1707
[53]	1708	metrics_to_store = [ ]
	1709
[63]	1710	# Pop metrics from stack for storing until none is left
	1711	# atomic code: only 1 thread at a time may access myMetrics
	1712
[53]	1713	# <ATOMIC>
[50]	1714	#
[47]	1715	self.slot.acquire()
[33]	1716
[54]	1717	while len( self.myMetrics[ hostname ][ metricname ] ) > 0:
[53]	1718
[54]	1719	if len( self.myMetrics[ hostname ][ metricname ] ) > 0:
[53]	1720
[176]	1721	try:
	1722	metrics_to_store.append( self.myMetrics[ hostname ][ metricname ].pop( 0 ) )
	1723	except IndexError, msg:
	1724
[179]	1725	# Somehow sometimes myMetrics[ hostname ][ metricname ]
	1726	# is still len 0 when the statement is executed.
	1727	# Just ignore indexerror's..
[176]	1728	pass
	1729
[53]	1730	self.slot.release()
	1731	#
	1732	# </ATOMIC>
	1733
[47]	1734	# Create a mapping table, each metric to the period where it should be stored
	1735	#
[53]	1736	metric_serial_table = self.determineSerials( hostname, metricname, metrics_to_store )
[33]	1737
[50]	1738	update_rets = [ ]
	1739
[47]	1740	for period, pmetric in metric_serial_table.items():
	1741
[146]	1742	create_ret = self.createCheck( hostname, metricname, period )
[47]	1743
	1744	update_ret = self.update( hostname, metricname, period, pmetric )
	1745
	1746	if update_ret == 0:
	1747
	1748	debug_msg( 9, 'stored metric %s for %s' %( hostname, metricname ) )
	1749	else:
	1750	debug_msg( 9, 'metric update failed' )
	1751
[146]	1752	update_rets.append( create_ret )
[50]	1753	update_rets.append( update_ret )
[47]	1754
[179]	1755	# Lets ignore errors here for now, we need to make sure last update time
	1756	# is correct!
	1757	#
	1758	#if not (1) in update_rets:
[50]	1759
[179]	1760	self.memLastUpdate( hostname, metricname, metrics_to_store )
[50]	1761
[365]	1762	debug_msg( 5, "Leaving storeMetrics()")
	1763
[17]	1764	def makeTimeSerial( self ):
[63]	1765	"""Generate a time serial. Seconds since epoch"""
[17]	1766
	1767	# Seconds since epoch
	1768	mytime = int( time.time() )
	1769
	1770	return mytime
	1771
[50]	1772	def makeRrdPath( self, host, metricname, timeserial ):
[63]	1773	"""Make a RRD location/path and filename"""
[17]	1774
[292]	1775	rrd_dir = '%s/%s/%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster, host, timeserial )
	1776	rrd_file = '%s/%s.rrd' %( rrd_dir, metricname )
[17]	1777
	1778	return rrd_dir, rrd_file
	1779
[20]	1780	def getLastRrdTimeSerial( self, host ):
[63]	1781	"""Find the last timeserial (directory) for this host"""
[17]	1782
[19]	1783	newest_timeserial = 0
	1784
[47]	1785	for dir in self.timeserials[ host ]:
[32]	1786
[47]	1787	valid_dir = 1
[17]	1788
[47]	1789	for letter in dir:
	1790	if letter not in string.digits:
	1791	valid_dir = 0
[17]	1792
[47]	1793	if valid_dir:
	1794	timeserial = dir
	1795	if timeserial > newest_timeserial:
	1796	newest_timeserial = timeserial
[17]	1797
	1798	if newest_timeserial:
[18]	1799	return newest_timeserial
[17]	1800	else:
	1801	return 0
	1802
[47]	1803	def determinePeriod( self, host, check_serial ):
[63]	1804	"""Determine to which period (directory) this time(serial) belongs"""
[47]	1805
	1806	period_serial = 0
	1807
[56]	1808	if self.timeserials.has_key( host ):
[47]	1809
[56]	1810	for serial in self.timeserials[ host ]:
[47]	1811
[56]	1812	if check_serial >= serial and period_serial < serial:
[47]	1813
[56]	1814	period_serial = serial
	1815
[47]	1816	return period_serial
	1817
	1818	def determineSerials( self, host, metricname, metriclist ):
	1819	"""
	1820	Determine the correct serial and corresponding rrd to store
	1821	for a list of metrics
	1822	"""
	1823
	1824	metric_serial_table = { }
	1825
	1826	for metric in metriclist:
	1827
	1828	if metric['name'] == metricname:
	1829
[292]	1830	period = self.determinePeriod( host, metric['time'] )
[47]	1831
[292]	1832	archive_secs = ARCHIVE_HOURS_PER_RRD * (60 * 60)
[47]	1833
[49]	1834	if (int( metric['time'] ) - int( period ) ) > archive_secs:
[47]	1835
	1836	# This one should get it's own new period
	1837	period = metric['time']
[57]	1838
	1839	if not self.timeserials.has_key( host ):
	1840	self.timeserials[ host ] = [ ]
	1841
[50]	1842	self.timeserials[ host ].append( period )
[47]	1843
	1844	if not metric_serial_table.has_key( period ):
	1845
[49]	1846	metric_serial_table[ period ] = [ ]
[47]	1847
	1848	metric_serial_table[ period ].append( metric )
	1849
	1850	return metric_serial_table
	1851
[33]	1852	def createCheck( self, host, metricname, timeserial ):
[63]	1853	"""Check if an rrd allready exists for this metric, create if not"""
[9]	1854
[35]	1855	debug_msg( 9, 'rrdcreate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) )
[47]	1856
[33]	1857	rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial )
[17]	1858
[9]	1859	if not os.path.exists( rrd_dir ):
[58]	1860
	1861	try:
	1862	os.makedirs( rrd_dir )
	1863
[169]	1864	except os.OSError, msg:
[58]	1865
	1866	if msg.find( 'File exists' ) != -1:
	1867
	1868	# Ignore exists errors
	1869	pass
	1870
	1871	else:
	1872
	1873	print msg
	1874	return
	1875
[14]	1876	debug_msg( 9, 'created dir %s' %( str(rrd_dir) ) )
[9]	1877
[14]	1878	if not os.path.exists( rrd_file ):
[9]	1879
[292]	1880	interval = self.config.getInterval( self.cluster )
	1881	heartbeat = 8 * int( interval )
[9]	1882
[292]	1883	params = [ ]
[12]	1884
[37]	1885	params.append( '--step' )
	1886	params.append( str( interval ) )
[12]	1887
[37]	1888	params.append( '--start' )
[47]	1889	params.append( str( int( timeserial ) - 1 ) )
[12]	1890
[37]	1891	params.append( 'DS:sum:GAUGE:%d:U:U' %heartbeat )
	1892	params.append( 'RRA:AVERAGE:0.5:1:%s' %(ARCHIVE_HOURS_PER_RRD * 240) )
[13]	1893
[37]	1894	self.rrdm.create( str(rrd_file), params )
	1895
[14]	1896	debug_msg( 9, 'created rrd %s' %( str(rrd_file) ) )
	1897
[47]	1898	def update( self, host, metricname, timeserial, metriclist ):
[63]	1899	"""
	1900	Update rrd file for host with metricname
	1901	in directory timeserial with metriclist
	1902	"""
[9]	1903
[35]	1904	debug_msg( 9, 'rrdupdate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) )
[9]	1905
[292]	1906	rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial )
[18]	1907
[292]	1908	update_list = self.makeUpdateList( host, metriclist )
[15]	1909
[41]	1910	if len( update_list ) > 0:
	1911	ret = self.rrdm.update( str(rrd_file), update_list )
[32]	1912
[41]	1913	if ret:
	1914	return 1
[27]	1915
[41]	1916	debug_msg( 9, 'updated rrd %s with %s' %( str(rrd_file), string.join( update_list ) ) )
[15]	1917
[36]	1918	return 0
	1919
[169]	1920	def daemon():
	1921	"""daemonized threading"""
[8]	1922
[169]	1923	# Fork the first child
	1924	#
	1925	pid = os.fork()
	1926
	1927	if pid > 0:
	1928
	1929	sys.exit(0) # end parent
	1930
	1931	# creates a session and sets the process group ID
	1932	#
	1933	os.setsid()
	1934
	1935	# Fork the second child
	1936	#
	1937	pid = os.fork()
	1938
	1939	if pid > 0:
	1940
	1941	sys.exit(0) # end parent
	1942
[435]	1943	write_pidfile()
	1944
[169]	1945	# Go to the root directory and set the umask
	1946	#
	1947	os.chdir('/')
	1948	os.umask(0)
	1949
	1950	sys.stdin.close()
	1951	sys.stdout.close()
	1952	sys.stderr.close()
	1953
[273]	1954	os.open('/dev/null', os.O_RDWR)
	1955	os.dup2(0, 1)
	1956	os.dup2(0, 2)
[169]	1957
	1958	run()
	1959
	1960	def run():
	1961	"""Threading start"""
	1962
[287]	1963	myXMLSource = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] )
[295]	1964	myDataStore = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] )
[8]	1965
[295]	1966	myTorqueProcessor = TorqueXMLProcessor( myXMLSource, myDataStore )
	1967	myGangliaProcessor = GangliaXMLProcessor( myXMLSource, myDataStore )
[287]	1968
[169]	1969	try:
[292]	1970	torque_xml_thread = threading.Thread( None, myTorqueProcessor.run, 'torque_proc_thread' )
	1971	ganglia_xml_thread = threading.Thread( None, myGangliaProcessor.run, 'ganglia_proc_thread' )
[22]	1972
[169]	1973	torque_xml_thread.start()
	1974	ganglia_xml_thread.start()
	1975
[176]	1976	except thread.error, msg:
[169]	1977	debug_msg( 0, 'FATAL ERROR: Unable to start main threads!: '+ str(msg) )
	1978	syslog.closelog()
	1979	sys.exit(1)
	1980
	1981	debug_msg( 0, 'main threading started.' )
[78]	1982
[169]	1983	def main():
	1984	"""Program startup"""
	1985
[375]	1986	global DAEMONIZE, USE_SYSLOG
	1987
[214]	1988	if not processArgs( sys.argv[1:] ):
	1989	sys.exit( 1 )
	1990
[169]	1991	if( DAEMONIZE and USE_SYSLOG ):
	1992	syslog.openlog( 'jobarchived', syslog.LOG_NOWAIT, SYSLOG_FACILITY )
	1993
	1994	if DAEMONIZE:
	1995	daemon()
	1996	else:
	1997	run()
	1998
	1999	#
[81]	2000	# Global functions
[169]	2001	#
[81]	2002
[9]	2003	def check_dir( directory ):
[63]	2004	"""Check if directory is a proper directory. I.e.: Does _not_ end with a '/'"""
[9]	2005
	2006	if directory[-1] == '/':
	2007	directory = directory[:-1]
	2008
	2009	return directory
	2010
[295]	2011	def reqtime2epoch( rtime ):
	2012
	2013	(hours, minutes, seconds ) = rtime.split( ':' )
	2014
	2015	etime = int(seconds)
	2016	etime = etime + ( int(minutes) * 60 )
	2017	etime = etime + ( int(hours) * 60 * 60 )
	2018
	2019	return etime
	2020
[12]	2021	def debug_msg( level, msg ):
[169]	2022	"""Only print msg if correct levels"""
[12]	2023
[169]	2024	if (not DAEMONIZE and DEBUG_LEVEL >= level):
	2025	sys.stderr.write( printTime() + ' - ' + msg + '\n' )
	2026
	2027	if (DAEMONIZE and USE_SYSLOG and SYSLOG_LEVEL >= level):
	2028	syslog.syslog( msg )
[12]	2029
[46]	2030	def printTime( ):
[63]	2031	"""Print current time in human readable format"""
[46]	2032
	2033	return time.strftime("%a %d %b %Y %H:%M:%S")
	2034
[435]	2035	def write_pidfile():
	2036
	2037	# Write pidfile if PIDFILE exists
	2038	if PIDFILE:
	2039
	2040	pid = os.getpid()
	2041
	2042	pidfile = open(PIDFILE, 'w')
	2043
	2044	pidfile.write( str( pid ) )
	2045	pidfile.close()
	2046
[63]	2047	# Ooohh, someone started me! Let's go..
[9]	2048	if __name__ == '__main__':
	2049	main()

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