1 | # |
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2 | # Authors: Roy Dragseth (roy.dragseth@cc.uit.no) |
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3 | # Bas van der Vlies (basv@sara.nl) |
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4 | # |
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5 | # SVN INFO: |
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6 | # $Id: PBSQuery.py 339 2015-03-10 16:55:29Z bas $ |
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7 | # |
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8 | """ |
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9 | Usage: from PBSQuery import PBSQuery |
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10 | |
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11 | This class gets the info from the pbs_server via the pbs.py module |
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12 | for the several batch objects. All get..() functions return an dictionary |
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13 | with id as key and batch object as value |
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14 | |
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15 | There are four batch objects: |
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16 | - server |
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17 | - queue |
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18 | - job |
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19 | - node |
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20 | |
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21 | Each object can be handled as an dictionary and has several member |
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22 | functions. The second parameter is an python list and can be used if you |
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23 | are only interested in certain resources, see example |
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24 | |
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25 | There are the following functions for PBSQuery: |
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26 | job - |
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27 | getjob(job_id, attributes=<default is all>) |
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28 | getjobs(attributes=<default is all>) |
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29 | |
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30 | node - |
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31 | getnode(node_id, attributes=<default is all>) |
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32 | getnodes(attributes=<default is all>) |
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33 | |
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34 | queue - |
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35 | getqueue(queue_id, attributes=<default is all>) |
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36 | getqueues(attributes=<default is all>) |
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37 | |
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38 | server - |
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39 | get_serverinfo(attributes=<default is all>) |
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40 | |
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41 | Here is an example how to use the module: |
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42 | from PBSQuery import PBSQuery |
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43 | p = PBSQuery() |
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44 | nodes = p.getnodes() |
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45 | for name,node in nodes.items(): |
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46 | print name |
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47 | if node.is_free(): |
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48 | print node, node['state'] |
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49 | |
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50 | l = [ 'state', 'np' ] |
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51 | nodes = p.getnodes(l) |
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52 | for name,node in nodes.items(): |
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53 | print node, node['state'] |
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54 | |
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55 | The parameter 'attributes' is an python list of resources that |
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56 | you are interested in, eg: only show state of nodes |
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57 | l = list() |
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58 | l.append('state') |
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59 | nodes = p.getnodes(l) |
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60 | """ |
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61 | import pbs |
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62 | import UserDict |
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63 | import string |
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64 | import sys |
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65 | import re |
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66 | import types |
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67 | |
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68 | |
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69 | REG_SUBRANGE = re.compile(r'^\d+(-\d+)?$') |
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70 | """ |
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71 | >>> b='rectime=1424696750,macaddr=40:a8:f0:2f:17:f4,cpuclock=Fixed,varattr=,jobs=419[1].master(cput=236745,energy_used=0,mem=6562224kb,vmem=7391872kb,walltime=22647,session_id=15941) 446[1].master(cput=7385,energy_used=0,mem=202936kb,vmem=368184kb,walltime=7391,session_id=30940) 446[2].master(cput=7385,energy_used=0,mem=204016kb,vmem=368184kb,walltime=7387,session_id=31168) 446[3].master(cput=7384,energy_used=0,mem=202380kb,vmem=368184kb,walltime=7387,session_id=31344) 446[4].master(cput=7384,energy_used=0,mem=204108kb,vmem=368184kb,walltime=7386,session_id=31536) 446[5].master(cput=7384,energy_used=0,mem=203940kb,vmem=368184kb,walltime=7386,session_id=31718) 446[6].master(cput=7383,energy_used=0,mem=188720kb,vmem=352608kb,walltime=7386,session_id=31904),state=free,size=456341748kb:459945088kb,netload=587288451179,gres=,loadave=18.07,ncpus=24,physmem=65850220kb,availmem=77961112kb,totmem=86821736kb,idletime=13933,nusers=1,nsessions=7,sessions=31904 31718 31536 31344 31168 30940 15941,uname=Linux node24 3.10.0 #1 SMP Wed Feb 4 08:16:54 CET 2015 x86_64,opsys=linux' |
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72 | >>> c=','.join([x[1] for x in re.compile(r'((:?[^,(]+(?:\(.*?\))?))(?:,|$)').findall(b)]) |
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73 | >>> c == b |
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74 | True |
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75 | |
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76 | """ |
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77 | REG_SPLIT_COMMA_BRACE = re.compile(r'((:?[^,(]+(?:\(.*?\))?))(?:,|$)') |
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78 | """ |
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79 | >>> d='jobs=419[1].master(cput=236745,energy_used=0,mem=6562224kb,vmem=7391872kb,walltime=22647,session_id=15941) 446[1].master(cput=7385,energy_used=0,mem=202936kb,vmem=368184kb,walltime=7391,session_id=30940) 446[2].master(cput=7385,energy_used=0,mem=204016kb,vmem=368184kb,walltime=7387,session_id=31168) 446[3].master(cput=7384,energy_used=0,mem=202380kb,vmem=368184kb,walltime=7387,session_id=31344) 446[4].master(cput=7384,energy_used=0,mem=204108kb,vmem=368184kb,walltime=7386,session_id=31536) 446[5].master(cput=7384,energy_used=0,mem=203940kb,vmem=368184kb,walltime=7386,session_id=31718) 446[6].master(cput=7383,energy_used=0,mem=188720kb,vmem=352608kb,walltime=7386,session_id=31904)' |
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80 | >>> e='='.join([x[1] for x in re.compile(r'((:?[^=(]+(?:\(.*?\))?))(?:=|$)').findall(d)]) |
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81 | >>> d == e |
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82 | True |
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83 | """ |
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84 | REG_SPLIT_EQUAL_BRACE = re.compile(r'((:?[^=(]+(?:\(.*?\))?))(?:=|$)') |
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85 | |
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86 | JOB_RE = re.compile('(?:^|,)(?:((?:[\d,-]+)?\d+)/)?(.+)') |
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87 | |
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88 | |
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89 | def convert_range(rangetxt): |
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90 | """ |
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91 | Convert range string into list of id strings: eg.g '3,5,7-9' -> ['3','5','7','8','9'] |
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92 | """ |
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93 | ids=[] |
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94 | for subrange in [r.split('-') for r in rangetxt.split(',')]: |
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95 | start = int(subrange[0]) |
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96 | if(len(subrange) == 2 ): |
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97 | end = int(subrange[1]) + 1 |
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98 | else: |
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99 | end = start + 1 |
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100 | ids.extend([str(i) for i in range(start,end)]) |
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101 | return ids |
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102 | |
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103 | |
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104 | class PBSError(Exception): |
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105 | def __init__(self, msg=''): |
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106 | self.msg = msg |
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107 | Exception.__init__(self, msg) |
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108 | |
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109 | def __repr__(self): |
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110 | return self.msg |
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111 | |
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112 | __str__ = __repr__ |
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113 | |
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114 | |
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115 | class PBSQuery: |
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116 | |
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117 | # a[key] = value, key and value are data type string |
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118 | # |
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119 | OLD_DATA_STRUCTURE = False |
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120 | |
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121 | def __init__(self, server=None): |
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122 | if not server: |
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123 | self.server = pbs.pbs_default() |
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124 | else: |
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125 | self.server = server |
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126 | |
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127 | self._connect() |
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128 | ## this is needed for getjob a jobid is made off: |
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129 | # sequence_number.server (is not self.server) |
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130 | # |
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131 | self.job_server_id = list(self.get_serverinfo())[0] |
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132 | self._disconnect() |
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133 | |
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134 | |
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135 | def _connect(self): |
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136 | """Connect to the PBS/Torque server""" |
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137 | self.con = pbs.pbs_connect(self.server) |
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138 | if self.con < 0: |
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139 | str = "Could not make a connection with %s\n" %(self.server) |
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140 | raise PBSError(str) |
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141 | |
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142 | def _disconnect(self): |
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143 | """Close the PBS/Torque connection""" |
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144 | pbs.pbs_disconnect(self.con) |
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145 | self.attribs = 'NULL' |
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146 | |
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147 | def _list_2_attrib(self, list): |
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148 | """Convert a python list to an attrib list suitable for pbs""" |
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149 | self.attribs = pbs.new_attrl( len(list) ) |
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150 | i = 0 |
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151 | for attrib in list: |
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152 | # So we can user Resource |
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153 | attrib = attrib.split('.') |
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154 | self.attribs[i].name = attrib[0] |
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155 | i = i + 1 |
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156 | |
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157 | def _pbsstr_2_list(self, str, delimiter): |
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158 | """Convert a string to a python list and use delimiter as spit char""" |
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159 | l = sting.splitfields(str, delimiter) |
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160 | if len(l) > 1: |
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161 | return l |
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162 | |
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163 | def _list_2_dict(self, l, class_func): |
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164 | """ |
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165 | Convert a pbsstat function list to a class dictionary, The |
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166 | data structure depends on the function new_data_structure(). |
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167 | |
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168 | Default data structure is: |
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169 | class[key] = value, Where key and value are of type string |
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170 | |
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171 | Future release, can be set by new_data_structure(): |
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172 | - class[key] = value where value can be: |
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173 | 1. a list of values of type string |
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174 | 2. a dictionary with as list of values of type string. If |
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175 | values contain a '=' character |
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176 | |
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177 | eg: |
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178 | print node['np'] |
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179 | >> [ '2' ] |
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180 | |
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181 | print node['status']['arch'] |
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182 | >> [ 'x86_64' ] |
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183 | """ |
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184 | self.d = {} |
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185 | for item in l: |
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186 | new = class_func() |
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187 | |
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188 | self.d[item.name] = new |
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189 | |
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190 | new.name = item.name |
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191 | |
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192 | for a in item.attribs: |
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193 | |
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194 | if self.OLD_DATA_STRUCTURE: |
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195 | |
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196 | if a.resource: |
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197 | key = '%s.%s' %(a.name, a.resource) |
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198 | else: |
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199 | key = '%s' %(a.name) |
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200 | |
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201 | new[key] = a.value |
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202 | |
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203 | else: |
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204 | # Don't split , between () |
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205 | values = [x[1] for x in REG_SPLIT_COMMA_BRACE.findall(a.value)] |
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206 | |
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207 | # We must creat sub dicts, only for specified |
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208 | # key values |
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209 | # |
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210 | if a.name in ['status', 'Variable_List']: |
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211 | |
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212 | for v in values: |
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213 | |
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214 | # Don't split between () |
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215 | tmp_l = [x[1] for x in REG_SPLIT_EQUAL_BRACE.findall(v)] |
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216 | |
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217 | ## Support for multiple EVENT mesages in format [key=value:]+ |
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218 | # format eg: message=EVENT:sample.time=1288864220.003,EVENT:kernel=upgrade,cputotals.user=0 |
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219 | # message=ERROR <text> |
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220 | # |
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221 | if tmp_l[0] in ['message']: |
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222 | |
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223 | if tmp_l[1].startswith('EVENT:'): |
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224 | |
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225 | tmp_d = dict() |
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226 | new['event'] = class_func(tmp_d) |
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227 | |
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228 | message_list = v.split(':') |
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229 | for event_type in message_list[1:]: |
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230 | tmp_l = event_type.split('=') |
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231 | new['event'][ tmp_l[0] ] = tmp_l[1:] |
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232 | |
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233 | else: |
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234 | |
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235 | ## ERROR message |
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236 | # |
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237 | new['error'] = tmp_l [1:] |
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238 | |
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239 | elif tmp_l[0].startswith('EVENT:'): |
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240 | |
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241 | message_list = v.split(':') |
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242 | for event_type in message_list[1:]: |
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243 | tmp_l = event_type.split('=') |
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244 | new['event'][ tmp_l[0] ] = tmp_l[1:] |
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245 | |
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246 | else: |
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247 | ## Check if we already added the key |
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248 | # |
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249 | if new.has_key(a.name): |
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250 | |
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251 | new[a.name][ tmp_l[0] ] = tmp_l[1:] |
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252 | |
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253 | else: |
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254 | |
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255 | tmp_d = dict() |
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256 | tmp_d[ tmp_l[0] ] = tmp_l[1:] |
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257 | new[a.name] = class_func(tmp_d) |
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258 | |
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259 | else: |
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260 | |
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261 | ## Check if it is a resource type variable, eg: |
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262 | # - Resource_List.(nodes, walltime, ..) |
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263 | # |
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264 | if a.resource: |
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265 | |
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266 | if new.has_key(a.name): |
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267 | new[a.name][a.resource] = values |
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268 | |
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269 | else: |
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270 | tmp_d = dict() |
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271 | tmp_d[a.resource] = values |
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272 | new[a.name] = class_func(tmp_d) |
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273 | else: |
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274 | # Simple value |
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275 | # |
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276 | new[a.name] = values |
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277 | |
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278 | self._free(l) |
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279 | |
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280 | def _free(self, memory): |
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281 | """ |
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282 | freeing up used memmory |
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283 | |
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284 | """ |
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285 | pbs.pbs_statfree(memory) |
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286 | |
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287 | def _statserver(self, attrib_list=None): |
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288 | """Get the server config from the pbs server""" |
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289 | if attrib_list: |
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290 | self._list_2_attrib(attrib_list) |
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291 | else: |
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292 | self.attribs = 'NULL' |
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293 | |
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294 | self._connect() |
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295 | serverinfo = pbs.pbs_statserver(self.con, self.attribs, 'NULL') |
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296 | self._disconnect() |
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297 | |
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298 | self._list_2_dict(serverinfo, server) |
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299 | |
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300 | def get_serverinfo(self, attrib_list=None): |
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301 | self._statserver(attrib_list) |
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302 | return self.d |
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303 | |
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304 | def _statqueue(self, queue_name='', attrib_list=None): |
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305 | """Get the queue config from the pbs server""" |
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306 | if attrib_list: |
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307 | self._list_2_attrib(attrib_list) |
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308 | else: |
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309 | self.attribs = 'NULL' |
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310 | |
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311 | self._connect() |
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312 | queues = pbs.pbs_statque(self.con, queue_name, self.attribs, 'NULL') |
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313 | self._disconnect() |
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314 | |
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315 | self._list_2_dict(queues, queue) |
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316 | |
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317 | def getqueue(self, name, attrib_list=None): |
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318 | self._statqueue(name, attrib_list) |
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319 | try: |
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320 | return self.d[name] |
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321 | except KeyError, detail: |
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322 | return self.d |
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323 | |
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324 | def getqueues(self, attrib_list=None): |
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325 | self._statqueue('', attrib_list) |
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326 | return self.d |
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327 | |
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328 | def _statnode(self, select='', attrib_list=None, property=None): |
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329 | """Get the node config from the pbs server""" |
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330 | if attrib_list: |
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331 | self._list_2_attrib(attrib_list) |
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332 | else: |
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333 | self.attribs = 'NULL' |
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334 | |
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335 | if property: |
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336 | select = ':%s' %(property) |
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337 | |
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338 | self._connect() |
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339 | nodes = pbs.pbs_statnode(self.con, select, self.attribs, 'NULL') |
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340 | self._disconnect() |
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341 | |
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342 | self._list_2_dict(nodes, node) |
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343 | |
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344 | def getnode(self, name, attrib_list=None): |
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345 | self._statnode(name, attrib_list) |
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346 | try: |
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347 | return self.d[name] |
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348 | except KeyError, detail: |
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349 | return self.d |
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350 | |
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351 | def getnodes(self, attrib_list=None): |
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352 | self._statnode('', attrib_list) |
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353 | return self.d |
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354 | |
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355 | def getnodes_with_property(self, property, attrib_list=None): |
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356 | self._statnode('', attrib_list, property) |
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357 | return self.d |
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358 | |
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359 | def _statjob(self, job_name='', attrib_list=None): |
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360 | """Get the job config from the pbs server""" |
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361 | if attrib_list: |
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362 | self._list_2_attrib(attrib_list) |
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363 | else: |
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364 | self.attribs = 'NULL' |
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365 | |
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366 | self._connect() |
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367 | jobs = pbs.pbs_statjob(self.con, job_name, self.attribs, 'NULL') |
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368 | self._disconnect() |
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369 | |
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370 | self._list_2_dict(jobs, job) |
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371 | |
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372 | def getjob(self, name, attrib_list=None): |
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373 | ## To make sure we use the full name of a job; Changes a name |
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374 | # like 1234567 into 1234567.job_server_id |
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375 | # |
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376 | if len(name.split('.')) == 1 : |
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377 | name = name.split('.')[0] + "." + self.job_server_id |
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378 | |
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379 | self._statjob(name, attrib_list) |
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380 | try: |
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381 | return self.d[name] |
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382 | except KeyError, detail: |
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383 | return self.d |
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384 | |
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385 | def getjobs(self, attrib_list=None): |
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386 | self._statjob('', attrib_list) |
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387 | return self.d |
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388 | |
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389 | def get_server_name(self): |
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390 | return self.server |
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391 | |
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392 | def new_data_structure(self): |
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393 | """ |
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394 | Use the new data structure. Is now the default |
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395 | """ |
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396 | self.OLD_DATA_STRUCTURE = False |
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397 | |
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398 | def old_data_structure(self): |
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399 | """ |
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400 | Use the old data structure. This function is obselete and |
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401 | will be removed in a future release |
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402 | """ |
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403 | self.OLD_DATA_STRUCTURE = True |
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404 | |
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405 | class _PBSobject(UserDict.UserDict): |
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406 | TRUE = 1 |
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407 | FALSE = 0 |
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408 | |
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409 | def __init__(self, dictin = None): |
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410 | UserDict.UserDict.__init__(self) |
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411 | self.name = None |
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412 | |
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413 | if dictin: |
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414 | if dictin.has_key('name'): |
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415 | self.name = dictin['name'] |
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416 | del dictin['name'] |
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417 | self.data = dictin |
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418 | |
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419 | def get_value(self, key): |
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420 | if self.has_key(key): |
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421 | return self[key] |
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422 | else: |
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423 | return None |
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424 | |
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425 | def __repr__(self): |
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426 | return repr(self.data) |
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427 | |
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428 | def __str__(self): |
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429 | return str(self.data) |
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430 | |
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431 | def __getattr__(self, name): |
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432 | """ |
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433 | override the class attribute get method. Return the value |
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434 | from the Userdict |
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435 | """ |
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436 | try: |
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437 | return self.data[name] |
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438 | except KeyError: |
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439 | error = 'Attribute key error: %s' %(name) |
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440 | raise PBSError(error) |
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441 | |
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442 | def __iter__(self): |
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443 | return iter(self.data.keys()) |
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444 | |
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445 | def __nonzero__(self): |
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446 | if self.data: |
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447 | return True |
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448 | else: |
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449 | return False |
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450 | |
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451 | def uniq(self, list): |
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452 | """Filter out unique items of a list""" |
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453 | uniq_items = {} |
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454 | for item in list: |
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455 | uniq_items[item] = 1 |
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456 | return uniq_items.keys() |
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457 | |
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458 | def return_value(self, key): |
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459 | """Function that returns a value independent of new or old data structure""" |
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460 | if isinstance(self[key], types.ListType): |
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461 | return self[key][0] |
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462 | else: |
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463 | return self[key] |
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464 | |
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465 | class job(_PBSobject): |
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466 | """PBS job class""" |
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467 | def is_running(self): |
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468 | |
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469 | value = self.return_value('job_state') |
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470 | if value == 'Q': |
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471 | return self.TRUE |
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472 | else: |
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473 | return self.FALSE |
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474 | |
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475 | def get_nodes(self, unique=None): |
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476 | """ |
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477 | Returns a list of the nodes which run this job |
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478 | format: |
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479 | * exec_host: gb-r10n14/5+gb-r10n14/4+gb-r10n14/3+gb-r10n14/2+gb-r10n14/1+gb-r10n14/0 |
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480 | * split on '+' and if uniq is set split on '/' |
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481 | """ |
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482 | nodes = self.get_value('exec_host') |
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483 | if not nodes: |
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484 | return list() |
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485 | |
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486 | if isinstance(nodes, str): |
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487 | nodelist = string.split(nodes,'+') |
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488 | else: |
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489 | nodelist = [] |
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490 | for n in nodes: |
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491 | if REG_SUBRANGE.search(n): |
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492 | # This is a range split by _list_2_dict in a list |
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493 | # E.g. exec_host node1/4,5,8-9 is after _list_dict ['node1/4', '5', '8-9'] |
---|
494 | # Re-join them with the last node |
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495 | nodelist[-1] += ',%s' % n |
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496 | else: |
---|
497 | nodelist.extend(n.split('+')) |
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498 | |
---|
499 | res=[] |
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500 | for n in nodelist: |
---|
501 | t = string.split(n,'/') |
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502 | |
---|
503 | if not unique: |
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504 | res.extend(["%s/%s" % (t[0],i) for i in convert_range(t[1])]) |
---|
505 | else: |
---|
506 | if t[0] not in res: |
---|
507 | res.append(t[0]) |
---|
508 | |
---|
509 | return res |
---|
510 | |
---|
511 | |
---|
512 | class node(_PBSobject): |
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513 | """PBS node class""" |
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514 | |
---|
515 | def is_free(self): |
---|
516 | """Check if node is free""" |
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517 | |
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518 | value = self.return_value('state') |
---|
519 | if value == 'free': |
---|
520 | return self.TRUE |
---|
521 | else: |
---|
522 | return self.FALSE |
---|
523 | |
---|
524 | def has_job(self): |
---|
525 | """Does the node run a job""" |
---|
526 | try: |
---|
527 | a = self['jobs'] |
---|
528 | return self.TRUE |
---|
529 | except KeyError, detail: |
---|
530 | return self.FALSE |
---|
531 | |
---|
532 | def get_jobs(self, unique=None): |
---|
533 | """Returns a list of the currently running job-id('s) on the node""" |
---|
534 | |
---|
535 | jobs = self.get_value('jobs') |
---|
536 | if not jobs: |
---|
537 | return list() |
---|
538 | |
---|
539 | if isinstance(jobs, str): |
---|
540 | jlist = re.compile('[^\\ /]\\d+[^/.]').findall( jobs ) |
---|
541 | |
---|
542 | if not unique: |
---|
543 | return jlist |
---|
544 | else: |
---|
545 | return self.uniq(jlist) |
---|
546 | |
---|
547 | else: |
---|
548 | # Support id ranges before job id |
---|
549 | joblist = [] |
---|
550 | # Jobs might be splitted in ranges, but here _list_2_dict does |
---|
551 | # 1,3,7-9/jobid -> ['1','3','7-9/jobid'] |
---|
552 | # Process in reverse order |
---|
553 | for j in jobs[::-1]: |
---|
554 | if REG_SUBRANGE.search(j): |
---|
555 | joblist[-1] = '%s,%s' % (j, joblist[-1]) |
---|
556 | else: |
---|
557 | joblist.append(j) |
---|
558 | |
---|
559 | # extend with nodes |
---|
560 | l = [] |
---|
561 | |
---|
562 | for j in joblist[::-1]: |
---|
563 | r=JOB_RE.search(j) |
---|
564 | # 1st match is range, second part is jobid |
---|
565 | jobstr=r.groups()[1] |
---|
566 | if unique: |
---|
567 | if jobstr not in l: |
---|
568 | l.append(jobstr) |
---|
569 | else: |
---|
570 | l.extend(["%s/%s"%(i,jobstr) for i in convert_range(r.groups()[0])]) |
---|
571 | |
---|
572 | return l |
---|
573 | |
---|
574 | |
---|
575 | class queue(_PBSobject): |
---|
576 | """PBS queue class""" |
---|
577 | def is_enabled(self): |
---|
578 | |
---|
579 | value = self.return_value('enabled') |
---|
580 | if value == 'True': |
---|
581 | return self.TRUE |
---|
582 | else: |
---|
583 | return self.FALSE |
---|
584 | |
---|
585 | def is_execution(self): |
---|
586 | |
---|
587 | value = self.return_value('queue_type') |
---|
588 | if value == 'Execution': |
---|
589 | return self.TRUE |
---|
590 | else: |
---|
591 | return self.FALSE |
---|
592 | |
---|
593 | class server(_PBSobject): |
---|
594 | """PBS server class""" |
---|
595 | |
---|
596 | def get_version(self): |
---|
597 | return self.get_value('pbs_version') |
---|
598 | |
---|
599 | def main(): |
---|
600 | p = PBSQuery() |
---|
601 | serverinfo = p.get_serverinfo() |
---|
602 | for server in serverinfo.keys(): |
---|
603 | print server, ' version: ', serverinfo[server].get_version() |
---|
604 | for resource in serverinfo[server].keys(): |
---|
605 | print '\t ', resource, ' = ', serverinfo[server][resource] |
---|
606 | |
---|
607 | queues = p.getqueues() |
---|
608 | for queue in queues.keys(): |
---|
609 | print queue |
---|
610 | if queues[queue].is_execution(): |
---|
611 | print '\t ', queues[queue] |
---|
612 | if queues[queue].has_key('acl_groups'): |
---|
613 | print '\t acl_groups: yes' |
---|
614 | else: |
---|
615 | print '\t acl_groups: no' |
---|
616 | |
---|
617 | jobs = p.getjobs() |
---|
618 | for name,job in jobs.items(): |
---|
619 | if job.is_running(): |
---|
620 | print job |
---|
621 | |
---|
622 | l = ['state'] |
---|
623 | nodes = p.getnodes(l) |
---|
624 | for name,node in nodes.items(): |
---|
625 | if node.is_free(): |
---|
626 | print node |
---|
627 | |
---|
628 | if __name__ == "__main__": |
---|
629 | main() |
---|