1 | #!/usr/bin/env python |
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2 | |
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3 | # Specify debugging level here; |
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4 | # |
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5 | # 10 = gemtric cmd's |
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6 | DEBUG_LEVEL = 10 |
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7 | |
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8 | # Wether or not to run as a daemon in background |
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9 | # |
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10 | DAEMONIZE = 0 |
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11 | |
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12 | # How many seconds interval for polling of jobs |
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13 | # |
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14 | # this will effect directly how accurate the |
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15 | # end time of a job can be determined |
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16 | # |
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17 | TORQUE_POLL_INTERVAL = 10 |
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18 | |
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19 | # Alternate location of gmond.conf |
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20 | # |
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21 | # Default: /etc/gmond.conf |
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22 | # |
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23 | #GMOND_CONF = '/etc/gmond.conf' |
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24 | |
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25 | from PBSQuery import PBSQuery |
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26 | import sys |
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27 | import time |
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28 | import os |
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29 | import socket |
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30 | import string |
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31 | |
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32 | class DataProcessor: |
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33 | """Class for processing of data""" |
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34 | |
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35 | binary = '/usr/bin/gmetric' |
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36 | |
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37 | def __init__( self, binary=None ): |
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38 | """Remember alternate binary location if supplied""" |
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39 | |
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40 | if binary: |
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41 | self.binary = binary |
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42 | |
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43 | # Timeout for XML |
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44 | # |
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45 | # From ganglia's documentation: |
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46 | # |
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47 | # 'A metric will be deleted DMAX seconds after it is received, and |
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48 | # DMAX=0 means eternal life.' |
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49 | |
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50 | self.dmax = str( int( TORQUE_POLL_INTERVAL ) ) |
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51 | |
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52 | try: |
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53 | gmond_file = GMOND_CONF |
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54 | |
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55 | except NameError: |
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56 | gmond_file = '/etc/gmond.conf' |
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57 | |
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58 | if not os.path.exists( gmond_file ): |
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59 | debug_msg( 0, gmond_file + ' does not exist' ) |
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60 | sys.exit( 1 ) |
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61 | |
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62 | incompatible = self.checkGmetricVersion() |
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63 | |
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64 | if incompatible: |
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65 | debug_msg( 0, 'Gmetric version not compatible, pls upgrade to at least 3.0.1' ) |
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66 | sys.exit( 1 ) |
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67 | |
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68 | def checkGmetricVersion( self ): |
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69 | """ |
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70 | Check version of gmetric is at least 3.0.1 |
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71 | for the syntax we use |
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72 | """ |
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73 | |
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74 | for line in os.popen( self.binary + ' --version' ).readlines(): |
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75 | |
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76 | line = line.split( ' ' ) |
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77 | |
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78 | if len( line ) == 2 and str(line).find( 'gmetric' ) != -1: |
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79 | |
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80 | gmetric_version = line[1].split( '\n' )[0] |
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81 | |
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82 | version_major = int( gmetric_version.split( '.' )[0] ) |
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83 | version_minor = int( gmetric_version.split( '.' )[1] ) |
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84 | version_patch = int( gmetric_version.split( '.' )[2] ) |
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85 | |
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86 | incompatible = 0 |
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87 | |
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88 | if version_major < 3: |
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89 | |
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90 | incompatible = 1 |
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91 | |
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92 | elif version_major == 3: |
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93 | |
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94 | if version_minor == 0: |
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95 | |
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96 | if version_patch < 1: |
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97 | |
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98 | incompatible = 1 |
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99 | |
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100 | return incompatible |
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101 | |
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102 | def multicastGmetric( self, metricname, metricval, valtype='string' ): |
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103 | """Call gmetric binary and multicast""" |
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104 | |
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105 | cmd = self.binary |
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106 | |
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107 | try: |
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108 | cmd = cmd + ' -c' + GMOND_CONF |
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109 | except NameError: |
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110 | debug_msg( 10, 'Assuming /etc/gmond.conf for gmetric cmd (ommitting)' ) |
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111 | |
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112 | cmd = cmd + ' -n' + str( metricname )+ ' -v"' + str( metricval )+ '" -t' + str( valtype ) + ' -d' + str( self.dmax ) |
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113 | |
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114 | debug_msg( 10, printTime() + ' ' + cmd ) |
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115 | os.system( cmd ) |
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116 | |
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117 | class PBSDataGatherer: |
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118 | |
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119 | jobs = { } |
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120 | |
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121 | def __init__( self ): |
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122 | """Setup appropriate variables""" |
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123 | |
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124 | self.jobs = { } |
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125 | self.dp = DataProcessor() |
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126 | self.initPbsQuery() |
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127 | |
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128 | def initPbsQuery( self ): |
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129 | |
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130 | self.pq = None |
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131 | self.pq = PBSQuery() |
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132 | |
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133 | def getAttr( self, attrs, name ): |
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134 | """Return certain attribute from dictionary, if exists""" |
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135 | |
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136 | if attrs.has_key( name ): |
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137 | return attrs[name] |
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138 | else: |
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139 | return '' |
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140 | |
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141 | def jobDataChanged( self, jobs, job_id, attrs ): |
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142 | """Check if job with attrs and job_id in jobs has changed""" |
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143 | |
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144 | if jobs.has_key( job_id ): |
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145 | oldData = jobs[ job_id ] |
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146 | else: |
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147 | return 1 |
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148 | |
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149 | for name, val in attrs.items(): |
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150 | |
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151 | if oldData.has_key( name ): |
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152 | |
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153 | if oldData[ name ] != attrs[ name ]: |
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154 | |
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155 | return 1 |
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156 | |
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157 | else: |
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158 | return 1 |
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159 | |
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160 | return 0 |
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161 | |
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162 | def getJobData( self, known_jobs ): |
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163 | """Gather all data on current jobs in Torque""" |
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164 | |
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165 | if len( known_jobs ) > 0: |
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166 | jobs = known_jobs |
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167 | else: |
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168 | jobs = { } |
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169 | |
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170 | #self.initPbsQuery() |
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171 | |
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172 | joblist = self.pq.getjobs() |
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173 | |
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174 | self.cur_time = time.time() |
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175 | |
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176 | jobs_processed = [ ] |
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177 | |
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178 | for name, attrs in joblist.items(): |
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179 | |
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180 | job_id = name.split( '.' )[0] |
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181 | |
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182 | jobs_processed.append( job_id ) |
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183 | |
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184 | name = self.getAttr( attrs, 'Job_Name' ) |
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185 | queue = self.getAttr( attrs, 'queue' ) |
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186 | owner = self.getAttr( attrs, 'Job_Owner' ).split( '@' )[0] |
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187 | requested_time = self.getAttr( attrs, 'Resource_List.walltime' ) |
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188 | requested_memory = self.getAttr( attrs, 'Resource_List.mem' ) |
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189 | |
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190 | mynoderequest = self.getAttr( attrs, 'Resource_List.nodes' ) |
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191 | |
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192 | if mynoderequest.find( ':' ) != -1 and mynoderequest.find( 'ppn' ) != -1: |
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193 | ppn = mynoderequest.split( ':' )[1].split( 'ppn=' )[1] |
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194 | else: |
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195 | ppn = '' |
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196 | |
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197 | status = self.getAttr( attrs, 'job_state' ) |
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198 | |
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199 | if status == 'R': |
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200 | start_timestamp = self.getAttr( attrs, 'mtime' ) |
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201 | nodes = self.getAttr( attrs, 'exec_host' ).split( '+' ) |
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202 | else: |
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203 | start_timestamp = '' |
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204 | nodes = [ ] |
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205 | |
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206 | nodeslist = [ ] |
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207 | |
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208 | for node in nodes: |
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209 | host = node.split( '/' )[0] |
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210 | |
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211 | if nodeslist.count( host ) == 0: |
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212 | nodeslist.append( node.split( '/' )[0] ) |
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213 | |
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214 | myAttrs = { } |
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215 | myAttrs['name'] = name |
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216 | myAttrs['queue'] = queue |
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217 | myAttrs['owner'] = owner |
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218 | myAttrs['requested_time'] = requested_time |
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219 | myAttrs['requested_memory'] = requested_memory |
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220 | myAttrs['ppn'] = ppn |
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221 | myAttrs['status'] = status |
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222 | myAttrs['start_timestamp'] = start_timestamp |
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223 | myAttrs['reported'] = str( int( self.cur_time ) ) |
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224 | myAttrs['nodes'] = nodeslist |
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225 | myAttrs['domain'] = string.join( socket.getfqdn().split( '.' )[1:], '.' ) |
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226 | myAttrs['poll_interval'] = TORQUE_POLL_INTERVAL |
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227 | |
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228 | if self.jobDataChanged( jobs, job_id, myAttrs ): |
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229 | jobs[ job_id ] = myAttrs |
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230 | |
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231 | #debug_msg( 10, printTime() + ' job %s state changed' %(job_id) ) |
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232 | |
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233 | for id, attrs in jobs.items(): |
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234 | |
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235 | if id not in jobs_processed: |
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236 | |
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237 | # This one isn't there anymore; toedeledoki! |
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238 | # |
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239 | del jobs[ id ] |
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240 | |
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241 | return jobs |
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242 | |
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243 | def submitJobData( self, jobs ): |
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244 | """Submit job info list""" |
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245 | |
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246 | self.dp.multicastGmetric( 'TOGA-HEARTBEAT', str( int( self.cur_time ) ) ) |
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247 | |
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248 | # Now let's spread the knowledge |
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249 | # |
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250 | for jobid, jobattrs in jobs.items(): |
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251 | |
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252 | gmetric_val = self.compileGmetricVal( jobid, jobattrs ) |
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253 | |
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254 | for val in gmetric_val: |
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255 | self.dp.multicastGmetric( 'TOGA-JOB-' + jobid, val ) |
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256 | |
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257 | def makeNodeString( self, nodelist ): |
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258 | """Make one big string of all hosts""" |
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259 | |
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260 | node_str = None |
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261 | |
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262 | for node in nodelist: |
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263 | if not node_str: |
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264 | node_str = node |
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265 | else: |
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266 | node_str = node_str + ';' + node |
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267 | |
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268 | return node_str |
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269 | |
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270 | def compileGmetricVal( self, jobid, jobattrs ): |
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271 | """Create a val string for gmetric of jobinfo""" |
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272 | |
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273 | appendList = [ ] |
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274 | appendList.append( 'name=' + jobattrs['name'] ) |
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275 | appendList.append( 'queue=' + jobattrs['queue'] ) |
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276 | appendList.append( 'owner=' + jobattrs['owner'] ) |
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277 | appendList.append( 'requested_time=' + jobattrs['requested_time'] ) |
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278 | |
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279 | if jobattrs['requested_memory'] != '': |
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280 | appendList.append( 'requested_memory=' + jobattrs['requested_memory'] ) |
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281 | |
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282 | if jobattrs['ppn'] != '': |
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283 | appendList.append( 'ppn=' + jobattrs['ppn'] ) |
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284 | |
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285 | appendList.append( 'status=' + jobattrs['status'] ) |
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286 | |
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287 | if jobattrs['start_timestamp'] != '': |
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288 | appendList.append( 'start_timestamp=' + jobattrs['start_timestamp'] ) |
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289 | |
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290 | appendList.append( 'reported=' + jobattrs['reported'] ) |
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291 | appendList.append( 'poll_interval=' + str( jobattrs['poll_interval'] ) ) |
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292 | appendList.append( 'domain=' + jobattrs['domain'] ) |
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293 | |
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294 | if len( jobattrs['nodes'] ) > 0: |
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295 | appendList.append( 'nodes=' + self.makeNodeString( jobattrs['nodes'] ) ) |
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296 | |
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297 | return self.makeAppendLists( appendList ) |
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298 | |
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299 | def makeAppendLists( self, append_list ): |
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300 | """ |
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301 | Divide all values from append_list over strings with a maximum |
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302 | size of 1400 |
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303 | """ |
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304 | |
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305 | app_lists = [ ] |
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306 | |
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307 | mystr = None |
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308 | |
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309 | for val in append_list: |
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310 | |
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311 | if not mystr: |
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312 | mystr = val |
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313 | else: |
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314 | if not self.checkValAppendMaxSize( mystr, val ): |
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315 | mystr = mystr + ' ' + val |
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316 | else: |
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317 | # Too big, new appenlist |
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318 | app_lists.append( mystr ) |
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319 | mystr = val |
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320 | |
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321 | app_lists.append( mystr ) |
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322 | |
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323 | return app_lists |
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324 | |
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325 | def checkValAppendMaxSize( self, val, text ): |
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326 | """Check if val + text size is not above 1400 (max msg size)""" |
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327 | |
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328 | # Max frame size of a udp datagram is 1500 bytes |
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329 | # removing misc header and gmetric stuff leaves about 1400 bytes |
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330 | # |
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331 | if len( val + text ) > 1400: |
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332 | return 1 |
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333 | else: |
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334 | return 0 |
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335 | |
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336 | def printJobs( self, jobs ): |
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337 | """Print a jobinfo overview""" |
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338 | |
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339 | for name, attrs in self.jobs.items(): |
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340 | |
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341 | print 'job %s' %(name) |
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342 | |
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343 | for name, val in attrs.items(): |
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344 | |
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345 | print '\t%s = %s' %( name, val ) |
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346 | |
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347 | def printJob( self, jobs, job_id ): |
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348 | """Print job with job_id from jobs""" |
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349 | |
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350 | print 'job %s' %(job_id) |
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351 | |
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352 | for name, val in jobs[ job_id ].items(): |
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353 | |
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354 | print '\t%s = %s' %( name, val ) |
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355 | |
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356 | def daemon( self ): |
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357 | """Run as daemon forever""" |
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358 | |
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359 | # Fork the first child |
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360 | # |
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361 | pid = os.fork() |
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362 | if pid > 0: |
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363 | sys.exit(0) # end parrent |
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364 | |
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365 | # creates a session and sets the process group ID |
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366 | # |
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367 | os.setsid() |
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368 | |
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369 | # Fork the second child |
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370 | # |
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371 | pid = os.fork() |
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372 | if pid > 0: |
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373 | sys.exit(0) # end parrent |
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374 | |
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375 | # Go to the root directory and set the umask |
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376 | # |
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377 | os.chdir('/') |
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378 | os.umask(0) |
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379 | |
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380 | sys.stdin.close() |
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381 | sys.stdout.close() |
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382 | sys.stderr.close() |
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383 | |
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384 | os.open('/dev/null', 0) |
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385 | os.dup(0) |
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386 | os.dup(0) |
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387 | |
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388 | self.run() |
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389 | |
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390 | def run( self ): |
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391 | """Main thread""" |
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392 | |
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393 | while ( 1 ): |
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394 | |
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395 | self.jobs = self.getJobData( self.jobs ) |
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396 | self.submitJobData( self.jobs ) |
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397 | time.sleep( TORQUE_POLL_INTERVAL ) |
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398 | |
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399 | def printTime( ): |
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400 | """Print current time/date in human readable format for log/debug""" |
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401 | |
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402 | return time.strftime("%a, %d %b %Y %H:%M:%S") |
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403 | |
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404 | def debug_msg( level, msg ): |
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405 | """Print msg if at or above current debug level""" |
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406 | |
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407 | if (DEBUG_LEVEL >= level): |
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408 | sys.stderr.write( msg + '\n' ) |
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409 | |
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410 | def main(): |
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411 | """Application start""" |
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412 | |
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413 | gather = PBSDataGatherer() |
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414 | if DAEMONIZE: |
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415 | gather.daemon() |
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416 | else: |
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417 | gather.run() |
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418 | |
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419 | # w00t someone started me |
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420 | # |
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421 | if __name__ == '__main__': |
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422 | main() |
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