[23] | 1 | #!/usr/bin/env python |
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| 2 | |
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[26] | 3 | # Specify debugging level here; |
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| 4 | # |
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[69] | 5 | DEBUG_LEVEL = 0 |
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[26] | 6 | |
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| 7 | # Wether or not to run as a daemon in background |
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| 8 | # |
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| 9 | DAEMONIZE = 0 |
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| 10 | |
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[64] | 11 | # How many seconds interval for polling of jobs |
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[61] | 12 | # |
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[64] | 13 | # this will effect directly how accurate the |
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| 14 | # end time of a job can be determined |
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| 15 | # |
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| 16 | TORQUE_POLL_INTERVAL = 10 |
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[61] | 17 | |
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[68] | 18 | # Alternate location of gmond.conf |
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| 19 | # |
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| 20 | # Default: /etc/gmond.conf |
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| 21 | # |
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| 22 | #GMOND_CONF = '/etc/gmond.conf' |
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| 23 | |
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[23] | 24 | from PBSQuery import PBSQuery |
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[26] | 25 | import sys |
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| 26 | import time |
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[65] | 27 | import os |
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[67] | 28 | import socket |
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[65] | 29 | import string |
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[23] | 30 | |
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[61] | 31 | class DataProcessor: |
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[68] | 32 | """Class for processing of data""" |
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[61] | 33 | |
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| 34 | binary = '/usr/bin/gmetric' |
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| 35 | |
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| 36 | def __init__( self, binary=None ): |
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[68] | 37 | """Remember alternate binary location if supplied""" |
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[61] | 38 | |
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| 39 | if binary: |
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| 40 | self.binary = binary |
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| 41 | |
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[65] | 42 | self.dmax = TORQUE_POLL_INTERVAL |
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[61] | 43 | |
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[68] | 44 | try: |
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| 45 | gmond_file = GMOND_CONF |
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| 46 | |
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| 47 | except NameError: |
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| 48 | gmond_file = '/etc/gmond.conf' |
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| 49 | |
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| 50 | if not os.path.exists( gmond_file ): |
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| 51 | debug_msg( 0, gmond_file + ' does not exist' ) |
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| 52 | sys.exit( 1 ) |
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| 53 | |
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[69] | 54 | incompatible = self.checkGmetricVersion() |
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[61] | 55 | |
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[65] | 56 | if incompatible: |
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| 57 | debug_msg( 0, 'Gmetric version not compatible, pls upgrade to at least 3.0.1' ) |
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| 58 | sys.exit( 1 ) |
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| 59 | |
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| 60 | def checkGmetricVersion( self ): |
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[68] | 61 | """ |
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| 62 | Check version of gmetric is at least 3.0.1 |
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| 63 | for the syntax we use |
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| 64 | """ |
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[65] | 65 | |
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| 66 | for line in os.popen( self.binary + ' --version' ).readlines(): |
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| 67 | |
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| 68 | line = line.split( ' ' ) |
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| 69 | |
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[69] | 70 | if len( line ) == 2 and str(line).find( 'gmetric' ) != -1: |
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[65] | 71 | |
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[69] | 72 | gmetric_version = line[1].split( '\n' )[0] |
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[65] | 73 | |
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[69] | 74 | version_major = int( gmetric_version.split( '.' )[0] ) |
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| 75 | version_minor = int( gmetric_version.split( '.' )[1] ) |
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| 76 | version_patch = int( gmetric_version.split( '.' )[2] ) |
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[65] | 77 | |
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| 78 | incompatible = 0 |
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| 79 | |
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| 80 | if version_major < 3: |
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| 81 | |
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| 82 | incompatible = 1 |
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| 83 | |
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| 84 | elif version_major == 3: |
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| 85 | |
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| 86 | if version_minor == 0: |
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| 87 | |
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| 88 | if version_patch < 1: |
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| 89 | |
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| 90 | incompatbiel = 1 |
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| 91 | |
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| 92 | return incompatible |
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| 93 | |
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[66] | 94 | def multicastGmetric( self, metricname, metricval, valtype='string', tmax='15' ): |
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[68] | 95 | """Call gmetric binary and multicast""" |
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[65] | 96 | |
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| 97 | cmd = self.binary |
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| 98 | |
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[61] | 99 | try: |
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| 100 | cmd = cmd + ' -c' + GMOND_CONF |
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| 101 | except NameError: |
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[64] | 102 | debug_msg( 10, 'Assuming /etc/gmond.conf for gmetric cmd (ommitting)' ) |
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[61] | 103 | |
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[66] | 104 | cmd = cmd + ' -n' + metricname + ' -v"' + metricval + '" -t' + valtype + ' -x' + tmax + ' -d' + str( self.dmax ) |
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[61] | 105 | |
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| 106 | print cmd |
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[69] | 107 | os.system( cmd ) |
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[61] | 108 | |
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[23] | 109 | class PBSDataGatherer: |
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| 110 | |
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[61] | 111 | jobs = { } |
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| 112 | |
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[23] | 113 | def __init__( self ): |
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[68] | 114 | """Setup appropriate variables""" |
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[23] | 115 | |
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| 116 | self.pq = PBSQuery() |
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[26] | 117 | self.jobs = { } |
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[61] | 118 | self.dp = DataProcessor() |
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[23] | 119 | |
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[26] | 120 | def getAttr( self, attrs, name ): |
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[68] | 121 | """Return certain attribute from dictionary, if exists""" |
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[26] | 122 | |
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| 123 | if attrs.has_key( name ): |
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| 124 | return attrs[name] |
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| 125 | else: |
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| 126 | return '' |
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| 127 | |
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| 128 | def jobDataChanged( self, jobs, job_id, attrs ): |
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[68] | 129 | """Check if job with attrs and job_id in jobs has changed""" |
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[26] | 130 | |
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| 131 | if jobs.has_key( job_id ): |
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| 132 | oldData = jobs[ job_id ] |
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| 133 | else: |
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| 134 | return 1 |
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| 135 | |
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| 136 | for name, val in attrs.items(): |
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| 137 | |
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| 138 | if oldData.has_key( name ): |
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| 139 | |
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| 140 | if oldData[ name ] != attrs[ name ]: |
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| 141 | |
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| 142 | return 1 |
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| 143 | |
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| 144 | else: |
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| 145 | return 1 |
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| 146 | |
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| 147 | return 0 |
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| 148 | |
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[65] | 149 | def getJobData( self, known_jobs ): |
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[68] | 150 | """Gather all data on current jobs in Torque""" |
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[26] | 151 | |
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[65] | 152 | if len( known_jobs ) > 0: |
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| 153 | jobs = known_jobs |
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| 154 | else: |
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| 155 | jobs = { } |
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[26] | 156 | |
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| 157 | joblist = self.pq.getjobs() |
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| 158 | |
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[69] | 159 | self.cur_time = time.time() |
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[68] | 160 | |
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[26] | 161 | jobs_processed = [ ] |
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| 162 | |
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| 163 | for name, attrs in joblist.items(): |
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| 164 | |
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| 165 | job_id = name.split( '.' )[0] |
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| 166 | |
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| 167 | jobs_processed.append( job_id ) |
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[61] | 168 | |
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[26] | 169 | name = self.getAttr( attrs, 'Job_Name' ) |
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| 170 | queue = self.getAttr( attrs, 'queue' ) |
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| 171 | owner = self.getAttr( attrs, 'Job_Owner' ).split( '@' )[0] |
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| 172 | requested_time = self.getAttr( attrs, 'Resource_List.walltime' ) |
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| 173 | requested_memory = self.getAttr( attrs, 'Resource_List.mem' ) |
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| 174 | mynoderequest = self.getAttr( attrs, 'Resource_List.nodes' ) |
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| 175 | if mynoderequest.find( ':' ) != -1 and mynoderequest.find( 'ppn' ) != -1: |
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| 176 | ppn = mynoderequest.split( ':' )[1].split( 'ppn=' )[1] |
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| 177 | else: |
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| 178 | ppn = '' |
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| 179 | status = self.getAttr( attrs, 'job_state' ) |
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| 180 | start_timestamp = self.getAttr( attrs, 'mtime' ) |
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[25] | 181 | |
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[67] | 182 | nodes = self.getAttr( attrs, 'exec_host' ).split( '+' ) |
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| 183 | nodeslist = [ ] |
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| 184 | |
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| 185 | for node in nodes: |
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| 186 | host = node.split( '/' )[0] |
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| 187 | |
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| 188 | if nodeslist.count( host ) == 0: |
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| 189 | nodeslist.append( node.split( '/' )[0] ) |
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| 190 | |
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[26] | 191 | myAttrs = { } |
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| 192 | myAttrs['name'] = name |
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| 193 | myAttrs['queue'] = queue |
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| 194 | myAttrs['owner'] = owner |
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| 195 | myAttrs['requested_time'] = requested_time |
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| 196 | myAttrs['requested_memory'] = requested_memory |
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| 197 | myAttrs['ppn'] = ppn |
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| 198 | myAttrs['status'] = status |
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| 199 | myAttrs['start_timestamp'] = start_timestamp |
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[69] | 200 | myAttrs['reported_timestamp'] = str( int( self.cur_time ) ) |
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[67] | 201 | myAttrs['nodes'] = nodeslist |
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| 202 | myAttrs['domain'] = string.join( socket.getfqdn().split( '.' )[1:], '.' ) |
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[26] | 203 | |
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| 204 | if self.jobDataChanged( jobs, job_id, myAttrs ): |
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| 205 | jobs[ job_id ] = myAttrs |
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[61] | 206 | |
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[69] | 207 | #self.printJob( jobs, job_id ) |
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[61] | 208 | |
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[26] | 209 | debug_msg( 10, printTime() + ' job %s state changed' %(job_id) ) |
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| 210 | |
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[65] | 211 | return jobs |
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| 212 | |
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| 213 | def submitJobData( self, jobs ): |
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| 214 | """Submit job info list""" |
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| 215 | |
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[69] | 216 | self.dp.multicastGmetric( 'TOGA-HEARTBEAT', str( int( self.cur_time ) ) ) |
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| 217 | |
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[61] | 218 | # Now let's spread the knowledge |
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| 219 | # |
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| 220 | for jobid, jobattrs in jobs.items(): |
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| 221 | |
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[65] | 222 | gmetric_val = self.compileGmetricVal( jobid, jobattrs ) |
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[61] | 223 | |
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[65] | 224 | for val in gmetric_val: |
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| 225 | self.dp.multicastGmetric( 'TOGA-JOB-' + jobid, val ) |
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[61] | 226 | |
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[67] | 227 | def makeNodeString( self, nodelist ): |
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[68] | 228 | """Make one big string of all hosts""" |
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[67] | 229 | |
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| 230 | node_str = None |
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| 231 | |
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| 232 | for node in nodelist: |
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| 233 | if not node_str: |
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| 234 | node_str = node |
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| 235 | else: |
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| 236 | node_str = node_str + ';' + node |
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| 237 | |
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| 238 | return node_str |
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| 239 | |
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[65] | 240 | def compileGmetricVal( self, jobid, jobattrs ): |
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| 241 | """Create a val string for gmetric of jobinfo""" |
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[61] | 242 | |
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[65] | 243 | name_str = 'name=' + jobattrs['name'] |
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| 244 | queue_str = 'queue=' + jobattrs['queue'] |
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| 245 | owner_str = 'owner=' + jobattrs['owner'] |
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| 246 | rtime_str = 'rtime=' + jobattrs['requested_time'] |
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| 247 | rmem_str = 'rmem=' + jobattrs['requested_memory'] |
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| 248 | ppn_str = 'ppn=' + jobattrs['ppn'] |
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| 249 | status_str = 'status=' + jobattrs['status'] |
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| 250 | stime_str = 'stime=' + jobattrs['start_timestamp'] |
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[68] | 251 | reported_str = 'reported=' + jobattrs['reported_timestamp'] |
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[67] | 252 | domain_str = 'domain=' + jobattrs['domain'] |
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| 253 | node_str = 'nodes=' + self.makeNodeString( jobattrs['nodes'] ) |
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[26] | 254 | |
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[68] | 255 | appendList = [ name_str, queue_str, owner_str, rtime_str, rmem_str, ppn_str, status_str, stime_str, reported_str, domain_str, node_str ] |
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[65] | 256 | |
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| 257 | return self.makeAppendLists( appendList ) |
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| 258 | |
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| 259 | def makeAppendLists( self, append_list ): |
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[68] | 260 | """ |
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| 261 | Divide all values from append_list over strings with a maximum |
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| 262 | size of 1400 |
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| 263 | """ |
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[65] | 264 | |
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| 265 | app_lists = [ ] |
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| 266 | |
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| 267 | mystr = None |
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| 268 | |
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| 269 | for val in append_list: |
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| 270 | |
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| 271 | if not mystr: |
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| 272 | mystr = val |
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| 273 | else: |
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| 274 | if not self.checkValAppendMaxSize( mystr, val ): |
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| 275 | mystr = mystr + ' ' + val |
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| 276 | else: |
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| 277 | # Too big, new appenlist |
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| 278 | app_lists.append( mystr ) |
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| 279 | mystr = val |
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| 280 | |
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| 281 | app_lists.append( mystr ) |
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| 282 | |
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| 283 | return app_lists |
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| 284 | |
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| 285 | def checkValAppendMaxSize( self, val, text ): |
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| 286 | """Check if val + text size is not above 1400 (max msg size)""" |
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| 287 | |
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[69] | 288 | # Max frame size of a udp datagram is 1500 bytes |
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| 289 | # removing misc header and gmetric stuff leaves about 1400 bytes |
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| 290 | # |
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[65] | 291 | if len( val + text ) > 1400: |
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| 292 | return 1 |
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| 293 | else: |
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| 294 | return 0 |
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| 295 | |
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[61] | 296 | def printJobs( self, jobs ): |
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[65] | 297 | """Print a jobinfo overview""" |
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| 298 | |
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[26] | 299 | for name, attrs in self.jobs.items(): |
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| 300 | |
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| 301 | print 'job %s' %(name) |
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| 302 | |
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| 303 | for name, val in attrs.items(): |
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| 304 | |
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| 305 | print '\t%s = %s' %( name, val ) |
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| 306 | |
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[61] | 307 | def printJob( self, jobs, job_id ): |
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[65] | 308 | """Print job with job_id from jobs""" |
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[26] | 309 | |
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| 310 | print 'job %s' %(job_id) |
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| 311 | |
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[65] | 312 | for name, val in jobs[ job_id ].items(): |
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[26] | 313 | |
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| 314 | print '\t%s = %s' %( name, val ) |
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| 315 | |
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| 316 | def daemon( self ): |
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[65] | 317 | """Run as daemon forever""" |
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[26] | 318 | |
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| 319 | # Fork the first child |
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| 320 | # |
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| 321 | pid = os.fork() |
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| 322 | if pid > 0: |
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| 323 | sys.exit(0) # end parrent |
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| 324 | |
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| 325 | # creates a session and sets the process group ID |
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| 326 | # |
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| 327 | os.setsid() |
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| 328 | |
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| 329 | # Fork the second child |
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| 330 | # |
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| 331 | pid = os.fork() |
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| 332 | if pid > 0: |
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| 333 | sys.exit(0) # end parrent |
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| 334 | |
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| 335 | # Go to the root directory and set the umask |
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| 336 | # |
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| 337 | os.chdir('/') |
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| 338 | os.umask(0) |
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| 339 | |
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| 340 | sys.stdin.close() |
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| 341 | sys.stdout.close() |
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| 342 | sys.stderr.close() |
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| 343 | |
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| 344 | os.open('/dev/null', 0) |
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| 345 | os.dup(0) |
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| 346 | os.dup(0) |
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| 347 | |
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| 348 | self.run() |
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| 349 | |
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| 350 | def run( self ): |
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[65] | 351 | """Main thread""" |
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[26] | 352 | |
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| 353 | while ( 1 ): |
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| 354 | |
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[65] | 355 | self.jobs = self.getJobData( self.jobs ) |
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| 356 | self.submitJobData( self.jobs ) |
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[64] | 357 | time.sleep( TORQUE_POLL_INTERVAL ) |
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[26] | 358 | |
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| 359 | def printTime( ): |
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[65] | 360 | """Print current time/date in human readable format for log/debug""" |
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[26] | 361 | |
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| 362 | return time.strftime("%a, %d %b %Y %H:%M:%S") |
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| 363 | |
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| 364 | def debug_msg( level, msg ): |
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[65] | 365 | """Print msg if at or above current debug level""" |
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[26] | 366 | |
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| 367 | if (DEBUG_LEVEL >= level): |
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| 368 | sys.stderr.write( msg + '\n' ) |
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| 369 | |
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[23] | 370 | def main(): |
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[65] | 371 | """Application start""" |
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[23] | 372 | |
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| 373 | gather = PBSDataGatherer() |
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[26] | 374 | if DAEMONIZE: |
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| 375 | gather.daemon() |
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| 376 | else: |
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| 377 | gather.run() |
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[23] | 378 | |
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[65] | 379 | # w00t someone started me |
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| 380 | # |
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[23] | 381 | if __name__ == '__main__': |
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| 382 | main() |
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