1 | #!/usr/bin/env python |
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2 | # |
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3 | # Author: Dennis Stam |
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4 | # Date : 14-05-2009 |
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5 | # Desc. : This program/module allows you to change |
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6 | # the state of a node to offline or down |
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7 | # |
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8 | # SVN Info: |
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9 | # $Id: sara_nodes 4552 2010-04-29 12:15:42Z dennis $ |
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10 | # $URL: https://subtrac.sara.nl/hpcv/svn/beowulf/trunk/torque/utils/sara_nodes $ |
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11 | # |
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12 | |
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13 | |
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14 | # imports of the pbs_python module |
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15 | import PBSQuery |
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16 | import PBSAdvancedParser |
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17 | import pbs |
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18 | |
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19 | # python core modules |
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20 | from optparse import make_option |
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21 | import types |
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22 | import sys |
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23 | import re |
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24 | import os |
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25 | import time |
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26 | import string |
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27 | |
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28 | # GINA also uses python2.3 |
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29 | if sys.version_info < ( 2,4 ): |
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30 | from set import Set as set |
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31 | |
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32 | __author__ = 'Dennis Stam' |
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33 | |
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34 | # Specify here your BATCH name pattern, this is |
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35 | # used for sorting when you are using basenames |
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36 | RE_PATTERN = '(r\d+n\d+)' |
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37 | |
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38 | # Cfegine uses : for lists, so a override is needed |
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39 | TIME_SEPARATOR = ':' |
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40 | |
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41 | class sara_nodesException( Exception ): |
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42 | |
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43 | def __init__(self, msg='' ): |
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44 | self.msg = msg |
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45 | Exception.__init__( self, msg ) |
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46 | |
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47 | def __repr__(self): |
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48 | return self.msg |
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49 | |
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50 | def islist(self): |
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51 | if type(self.msg) is types.ListType: |
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52 | return True |
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53 | |
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54 | return False |
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55 | |
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56 | def getlist(self): |
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57 | return self.msg |
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58 | |
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59 | class sara_nodesCli: |
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60 | ''' |
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61 | This class is the Command Line Interface from here we call the sara_nodes class / module |
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62 | ''' |
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63 | option_list = [ |
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64 | make_option( '-v', '--verbose', dest='verbose', action='store_true', help='enables verbose mode' ), |
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65 | make_option( '-n', '--dry-run', dest='dryrun', action='store_true', help='enables dry-run mode' ), |
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66 | make_option( '-q', '--quiet', dest='quiet', action='store_true', help='enable this function to supress all feedback'), |
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67 | make_option( '-o', '--offline', dest='offline', help='change state to offline', metavar='NOTE' ), |
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68 | make_option( '-c', '--clear', dest='clear', action='store_true', help='change state to down' ), |
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69 | make_option( '-N', '--clearnote', dest='note', action='store_true', help='clear note of node' ), |
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70 | make_option( '-m', '--modify', dest='modify', help='use this option the modify the note, it will replace the current one!', metavar='NOTE' ), |
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71 | make_option( '-f', '--format', dest='format', nargs=2, help='specify how to display the information, also sets quiet to True' ), |
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72 | make_option( '-t', '--ticket', dest='ticket', help='add/change/remove ticket number, removing use -t c' ), |
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73 | ] |
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74 | |
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75 | def __init__(self): |
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76 | ''' |
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77 | sara_nodes [ <options> <nodenames> | [nodenames] ] |
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78 | |
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79 | -f/--format needs 2 arguments, first the pattern secondly the variables |
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80 | the pattern you specify must be the string format pattern of Python |
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81 | fields: node, state, date_add, date_edit, user, ticket, remark''' |
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82 | |
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83 | self.obj_sara_nodes = sara_nodes() |
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84 | self.parser = PBSAdvancedParser.AdvancedParser( |
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85 | option_list=self.option_list, |
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86 | version=pbs.version, |
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87 | usage=self.__init__.__doc__ |
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88 | ) |
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89 | |
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90 | self.parser.set_default('verbose', False) |
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91 | self.parser.set_default('dryrun', False) |
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92 | self.parser.set_default('offline', False) |
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93 | self.parser.set_default('clear', False) |
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94 | self.parser.set_default('note', False) |
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95 | self.parser.set_default('quiet', False) |
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96 | self.parser.set_default('ticket', None) |
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97 | self.parser.set_default('modify', False) |
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98 | self.parser.set_default('format', 'default' ) |
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99 | |
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100 | options, args = self.parser.parse_args() |
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101 | |
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102 | if options.format == 'default': |
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103 | options.format = (' %-10s | %-19s | %-11s, %-11s %-6s %-5s: %s','node,state,date_add,date_edit,user,ticket,remark' ) |
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104 | else: |
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105 | options.quiet = True |
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106 | |
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107 | if not options.quiet: |
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108 | self.obj_sara_nodes.dryrun = options.dryrun |
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109 | |
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110 | if options.dryrun or options.verbose: |
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111 | self.obj_sara_nodes.verbose = True |
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112 | |
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113 | if str( options.offline ).rstrip() == '' or str( options.modify ).rstrip() == '': |
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114 | sys.stderr.write( 'sara_nodes: error: option requires an argument\n' ) |
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115 | |
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116 | sys.exit( 1 ) |
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117 | |
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118 | try: |
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119 | if options.offline and not options.clear: |
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120 | if args: |
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121 | self.obj_sara_nodes.pbs_change_state_offline( args, options.offline, options.ticket ) |
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122 | else: |
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123 | raise sara_nodesException, 'No hostnames given' |
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124 | elif options.clear and not options.offline: |
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125 | if args: |
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126 | self.obj_sara_nodes.pbs_change_state_down( args ) |
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127 | else: |
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128 | raise sara_nodesException, 'No hostnames given' |
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129 | elif options.note: |
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130 | if args: |
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131 | self.obj_sara_nodes.pbs_change_note_clear( args ) |
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132 | else: |
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133 | raise sara_nodesException, 'No hostnames given' |
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134 | elif options.modify: |
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135 | if args: |
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136 | self.obj_sara_nodes.pbs_change_note( args, options.modify, options.ticket ) |
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137 | else: |
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138 | raise sara_nodesException, 'No hostnames given' |
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139 | elif options.ticket: |
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140 | if args: |
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141 | self.obj_sara_nodes.pbs_change_note_ticket( args, options.ticket ) |
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142 | else: |
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143 | raise sara_nodesException, 'No hostnames given' |
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144 | else: |
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145 | if not options.quiet: |
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146 | print '\n Use option --help for help' |
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147 | self.print_list(args, options) |
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148 | |
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149 | |
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150 | except sara_nodesException, msg: |
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151 | if msg.islist(): |
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152 | for item in msg.getlist(): |
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153 | sys.stderr.write( 'sara_nodes: error: %s\n' % item ) |
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154 | else: |
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155 | sys.stderr.write( 'sara_nodes: error: %s\n' % str( msg ) ) |
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156 | |
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157 | sys.exit( 1 ) |
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158 | |
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159 | def return_note( self, pre_parts ): |
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160 | |
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161 | if type(pre_parts) is types.ListType and len( pre_parts) >= 5: |
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162 | return { |
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163 | 'date_add': pre_parts[0].strip(), |
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164 | 'date_edit': pre_parts[1].strip(), |
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165 | 'user': pre_parts[2].strip(), |
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166 | 'ticket': pre_parts[3].strip(), |
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167 | 'remark': ','.join( pre_parts[4:] ) |
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168 | } |
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169 | else: |
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170 | return { |
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171 | 'date_add': '', |
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172 | 'date_edit': '', |
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173 | 'user': '', |
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174 | 'ticket': '', |
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175 | 'remark': str( pre_parts ) |
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176 | } |
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177 | |
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178 | def convert_format( self, format_options ): |
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179 | pattern = r'\%([-|+]){0,1}([0-9]{0,2})([a-z]{1})' |
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180 | parts = re.findall( pattern, format_options[0], re.VERBOSE ) |
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181 | line = re.sub( pattern, '%s', format_options[0], re.VERBOSE ) |
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182 | |
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183 | rlist = list() |
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184 | counter = 0 |
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185 | for variable in format_options[1].split( ',' ): |
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186 | rlist.append( '%s(%s)%s%s%s' % ( |
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187 | '%', |
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188 | variable, |
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189 | parts[ counter ][0], |
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190 | parts[ counter ][1], |
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191 | parts[ counter ][2], |
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192 | ) ) |
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193 | counter += 1 |
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194 | return line % tuple( rlist ) |
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195 | |
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196 | def print_table( self, node_list, pbs_nodes, format_options ): |
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197 | ''' |
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198 | This method prints the rows of a table |
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199 | ''' |
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200 | |
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201 | try: |
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202 | line_format = self.convert_format( format_options ) |
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203 | for node in node_list: |
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204 | note = '' |
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205 | if pbs_nodes[ node ].has_key('note'): |
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206 | note = pbs_nodes[ node ]['note'] |
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207 | |
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208 | if self.allowed_state( pbs_nodes[ node ]['state'] ) or note: |
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209 | node_note = self.return_note( note ) |
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210 | |
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211 | fields = { |
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212 | 'node': node, |
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213 | 'state': ', '.join( pbs_nodes[ node ]['state'] ), |
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214 | 'date_add': node_note['date_add'], |
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215 | 'date_edit': node_note['date_edit'], |
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216 | 'user': node_note['user'], |
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217 | 'ticket': node_note['ticket'], |
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218 | 'remark': node_note['remark'], |
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219 | } |
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220 | |
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221 | |
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222 | print line_format % fields |
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223 | |
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224 | except KeyError, e: |
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225 | raise sara_nodesException, 'Given host does not exist' |
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226 | |
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227 | def print_list(self, args, options): |
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228 | ''' |
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229 | A method that is used for collecting all nodes with the state down, offline or unknown |
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230 | ''' |
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231 | |
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232 | |
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233 | p = PBSQuery.PBSQuery() |
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234 | if pbs.version_info >= ( 4,0,0 ): |
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235 | if self.obj_sara_nodes.verbose: |
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236 | print "Enabling new_data_structure for PBSQuery" |
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237 | p.new_data_structure() |
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238 | |
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239 | try: |
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240 | nodes = p.getnodes( ['state', 'note'] ) |
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241 | except PBSQuery.PBSError, detail: |
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242 | print "PBSQuery error: %s" %detail |
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243 | sys.exit(1) |
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244 | |
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245 | header = ' %-10s | %-19s | %s' % ( 'Nodename', 'State', 'Note' ) |
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246 | if not options.quiet: |
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247 | print '\n%s\n%s' % ( header, ( '-' * 80 ) ) |
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248 | |
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249 | if args: |
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250 | args = self.sort_nodes( args ) |
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251 | self.print_table( args[0], nodes, options.format ) |
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252 | else: |
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253 | sorted_nodes, sorted_other = self.sort_nodes( nodes ) |
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254 | |
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255 | self.print_table( sorted_other, nodes, options.format ) |
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256 | self.print_table( sorted_nodes, nodes, options.format ) |
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257 | |
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258 | def real_sort( self, inlist ): |
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259 | ''' |
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260 | Use this method instead of the x.sort(), because with x.sort() |
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261 | numeric values in a string are not correctly sorted! |
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262 | ''' |
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263 | indices = map(self._generate_index, inlist ) |
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264 | decorated = zip( indices, inlist ) |
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265 | decorated.sort() |
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266 | |
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267 | return [ item for index, item in decorated ] |
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268 | |
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269 | def _generate_index( self, str ): |
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270 | ''' |
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271 | Spliting a string in aplha and numeric elements |
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272 | ''' |
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273 | |
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274 | index = [] |
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275 | |
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276 | def _append( fragment, alist=index ): |
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277 | if fragment.isdigit(): |
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278 | fragment = int( fragment ) |
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279 | alist.append( fragment ) |
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280 | |
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281 | prev_isdigit = str[0].isdigit() |
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282 | current_fragment = '' |
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283 | |
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284 | for char in str: |
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285 | curr_isdigit = char.isdigit() |
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286 | |
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287 | if curr_isdigit == prev_isdigit: |
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288 | current_fragment += char |
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289 | else: |
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290 | _append( current_fragment ) |
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291 | current_fragment = char |
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292 | prev_isdigit = curr_isdigit |
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293 | |
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294 | _append( current_fragment ) |
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295 | |
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296 | return tuple( index ) |
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297 | |
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298 | def sort_nodes(self, nodes): |
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299 | ''' |
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300 | Sorts the nodes list and returns two lists |
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301 | the first the nodes secondly the other machines |
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302 | |
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303 | When RE_PATTERN is not supplied then all names |
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304 | will be sorted the same way. |
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305 | ''' |
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306 | |
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307 | if not globals().has_key('RE_PATTERN'): |
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308 | global RE_PATTERN |
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309 | RE_PATTERN = '' |
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310 | |
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311 | pattern = re.compile( RE_PATTERN, re.VERBOSE ) |
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312 | |
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313 | tmplist = list() |
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314 | tmplist_other = list() |
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315 | |
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316 | for node in nodes: |
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317 | match = pattern.findall( node ) |
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318 | |
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319 | if match and len( match ) == 1: |
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320 | tmplist.append( node ) |
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321 | else: |
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322 | tmplist_other.append( node ) |
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323 | |
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324 | tmplist = self.real_sort( tmplist ) |
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325 | tmplist_other.sort() |
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326 | |
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327 | return tmplist, tmplist_other |
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328 | |
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329 | def allowed_state(self, state): |
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330 | ''' |
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331 | This method checks is a node complies with the following states: |
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332 | down, offline and or unknown |
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333 | ''' |
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334 | allowed_list = set( ['down', 'offline', 'unknown'] ) |
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335 | |
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336 | return bool( allowed_list.intersection( set( state ) ) ) |
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337 | |
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338 | class sara_nodes: |
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339 | |
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340 | def __init__(self): |
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341 | ''' |
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342 | Just initialize two optional variables |
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343 | ''' |
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344 | self.dryrun = False |
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345 | self.verbose = False |
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346 | |
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347 | def note_check_ticket( self, ticketno, oldticket ): |
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348 | |
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349 | if ticketno: |
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350 | try: |
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351 | return '#%d' % int( ticketno ) |
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352 | except ValueError: |
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353 | if ticketno == 'c': |
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354 | return '' |
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355 | |
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356 | return oldticket |
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357 | |
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358 | def note_return_username( self, old_username ): |
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359 | try: |
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360 | username = os.getlogin() |
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361 | |
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362 | if username != 'root': |
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363 | return username |
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364 | else: |
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365 | return old_username |
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366 | except OSError, err: |
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367 | return 'root' |
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368 | |
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369 | def note_create( self, new_note, mode = 'a', old_note = None ): |
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370 | if mode == 'w': |
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371 | return new_note |
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372 | else: |
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373 | if old_note and old_note.find( new_note ) < 0: |
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374 | return '%s, %s' % ( old_note, new_note ) |
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375 | else: |
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376 | return new_note |
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377 | |
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378 | def create_date( self ): |
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379 | if not globals().has_key('TIME_SEPARATOR'): |
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380 | global TIME_SEPARATOR |
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381 | TIME_SEPARATOR = ':' |
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382 | |
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383 | curtime = time.localtime() |
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384 | day = time.strftime( '%d-%m', curtime ) |
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385 | hour = time.strftime( '%H', curtime ) |
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386 | minutes = time.strftime( '%M', curtime ) |
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387 | return '%s %s%s%s' % ( day, hour, TIME_SEPARATOR, minutes ) |
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388 | |
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389 | def note_init( self ): |
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390 | current_date = self.create_date() |
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391 | try: |
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392 | current_username = os.getlogin() |
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393 | except OSError, err: |
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394 | current_username = 'root' |
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395 | |
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396 | return [ current_date, current_date, current_username, '' ] |
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397 | |
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398 | def note( self, node, note_attr ): |
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399 | ''' |
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400 | This method combines all note methods and returns the new note |
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401 | ''' |
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402 | p = PBSQuery.PBSQuery() |
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403 | p.new_data_structure() |
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404 | pbs_info = p.getnode( node ) |
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405 | |
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406 | pre_parts = list() |
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407 | old_note = None |
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408 | new_note = None |
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409 | |
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410 | if pbs_info.has_key( 'note' ): |
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411 | pbs_note = pbs_info[ 'note' ] |
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412 | if len( pbs_note ) > 4: |
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413 | pre_parts = pbs_note[:4] |
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414 | old_note = ', '.join( pbs_note[4:] ) |
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415 | |
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416 | pre_parts[1] = self.create_date() |
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417 | pre_parts[2] = self.note_return_username( pre_parts[2] ) |
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418 | |
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419 | else: |
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420 | pre_parts = self.note_init() |
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421 | |
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422 | if note_attr.has_key( 'ticket' ): |
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423 | pre_parts[3] = self.note_check_ticket( note_attr['ticket'], pre_parts[3] ) |
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424 | |
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425 | if note_attr.has_key( 'note' ) and note_attr.has_key( 'mode' ): |
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426 | if note_attr[ 'note' ] and note_attr[ 'mode' ] in [ 'a','w' ]: |
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427 | if old_note: |
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428 | new_note = self.note_create( note_attr[ 'note' ], note_attr[ 'mode' ], old_note ) |
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429 | else: |
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430 | new_note = self.note_create( note_attr[ 'note' ], note_attr[ 'mode' ] ) |
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431 | else: |
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432 | new_note = old_note |
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433 | |
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434 | return '%s,%s' % ( ','.join( pre_parts ), new_note ) |
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435 | |
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436 | def verbose_print( self, msg ): |
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437 | if self.verbose: |
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438 | print msg |
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439 | |
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440 | def pbs_change_note_clear( self, nodes ): |
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441 | attributes = pbs.new_attropl(1) |
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442 | attributes[0].name = pbs.ATTR_NODE_note |
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443 | attributes[0].value = '' |
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444 | attributes[0].op = pbs.SET |
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445 | |
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446 | self.verbose_print( '%*s: cleared' % ( 7, 'Note') ) |
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447 | self.pbs_batch( nodes, attributes ) |
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448 | |
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449 | def pbs_change_note_ticket( self, nodes, ticket ): |
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450 | note_attributes = { 'note': None, 'ticket': ticket, 'mode': 'a' } |
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451 | self.verbose_print( '%*s: %s' % ( 7, 'Ticket', ticket ) ) |
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452 | self.pbs_batch( nodes, None, note_attributes) |
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453 | |
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454 | def pbs_change_note( self, nodes, note, ticket=None ): |
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455 | note_attributes = { 'note': note, 'ticket': ticket, 'mode': 'w' } |
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456 | |
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457 | self.verbose_print( '%*s: %s' % ( 7, 'Note', note ) ) |
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458 | if ticket: |
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459 | self.verbose_print( '%*s: %s' % ( 7, 'Ticket', ticket ) ) |
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460 | self.pbs_batch( nodes, None, note_attributes) |
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461 | |
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462 | def pbs_change_state_offline( self, nodes, note, ticket=None ): |
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463 | attributes = pbs.new_attropl(1) |
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464 | attributes[0].name = pbs.ATTR_NODE_state |
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465 | attributes[0].value = 'offline' |
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466 | attributes[0].op = pbs.SET |
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467 | |
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468 | note_attributes = { 'note': note, 'ticket': ticket, 'mode': 'a' } |
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469 | |
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470 | self.verbose_print( '%*s: offline' % ( 7, 'State') ) |
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471 | self.verbose_print( '%*s: %s' % ( 7, 'Note', note ) ) |
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472 | if ticket: |
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473 | self.verbose_print( '%*s: %s' % ( 7, 'Ticket', ticket ) ) |
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474 | self.pbs_batch( nodes, attributes, note_attributes ) |
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475 | |
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476 | def pbs_change_state_down( self, nodes ): |
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477 | attributes = pbs.new_attropl(2) |
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478 | attributes[0].name = pbs.ATTR_NODE_state |
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479 | attributes[0].value = 'down' |
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480 | attributes[0].op = pbs.SET |
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481 | |
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482 | attributes[1].name = 'note' |
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483 | attributes[1].value = '' |
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484 | |
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485 | self.verbose_print( '%*s: down' % ( 7, 'State') ) |
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486 | self.verbose_print( '%*s: cleared' % ( 7, 'Note' ) ) |
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487 | self.pbs_batch( nodes, attributes ) |
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488 | |
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489 | def pbs_batch( self, nodes, attrs=None, note_attributes=None ): |
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490 | nodeserror = list() |
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491 | if not attrs and not note_attributes: |
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492 | raise sara_nodesException, 'attrs and note_attributes can not be empty together!' |
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493 | |
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494 | if not self.dryrun: |
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495 | if note_attributes and len( note_attributes ) == 3: |
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496 | if attrs: |
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497 | attributes = attrs + pbs.new_attropl(1) |
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498 | attributes[1].name = pbs.ATTR_NODE_note |
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499 | attributes[1].op = pbs.SET |
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500 | else: |
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501 | attributes = pbs.new_attropl(1) |
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502 | attributes[0].name = pbs.ATTR_NODE_note |
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503 | attributes[0].op = pbs.SET |
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504 | else: |
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505 | attributes = attrs |
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506 | # Some hacking here because some limitation in the Torque 2.4 version |
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507 | # fetching note data first for all nodes! |
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508 | tmp_node_note = dict() |
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509 | |
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510 | for node in nodes: |
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511 | if note_attributes and len( note_attributes ) == 3: |
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512 | tmp_node_note[ node ] = self.note( node, note_attributes ) |
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513 | |
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514 | pbs_server = pbs.pbs_default() |
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515 | |
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516 | if not pbs_server: |
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517 | raise sara_nodesException, 'Default pbs server not found!' |
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518 | |
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519 | pbs_connection = pbs.pbs_connect( pbs_server ) |
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520 | for node in nodes: |
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521 | if note_attributes and len( note_attributes ) == 3: |
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522 | try: |
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523 | if attrs: |
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524 | attributes[1].value = tmp_node_note[ node ] |
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525 | else: |
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526 | attributes[0].value = tmp_node_note[ node ] |
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527 | except KeyError: |
---|
528 | pass |
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529 | rcode = pbs.pbs_manager( pbs_connection, pbs.MGR_CMD_SET, pbs.MGR_OBJ_NODE, node, attributes, 'NULL' ) |
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530 | if rcode > 0: |
---|
531 | errno, text = pbs.error() |
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532 | nodeserror.append( '%s: %s (%s)' % ( node, text, errno ) ) |
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533 | else: |
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534 | p = PBSQuery.PBSQuery() |
---|
535 | pbsnodes = p.getnodes().keys() |
---|
536 | |
---|
537 | print '%*s:' % ( 7, 'Nodes' ), |
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538 | firstitem = True |
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539 | |
---|
540 | for node in nodes: |
---|
541 | |
---|
542 | if node in pbsnodes: |
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543 | if firstitem: |
---|
544 | print '%s' % node |
---|
545 | firstitem = False |
---|
546 | else: |
---|
547 | print '%*s' % ( 17, node ) |
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548 | else: |
---|
549 | nodeserror.append( '%s: does not exist' % node ) |
---|
550 | |
---|
551 | if len( nodeserror ) > 0: |
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552 | raise sara_nodesException, nodeserror |
---|
553 | |
---|
554 | if __name__ == '__main__': |
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555 | sara_nodesCli() |
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