[309] | 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 3904 2009-06-26 13:16:35Z bas $ |
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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 | # import from the sara_python_modules |
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| 14 | from sara import AdvancedParser |
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| 15 | |
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| 16 | # imports of the pbs_python module |
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| 17 | import PBSQuery |
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| 18 | import pbs |
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| 19 | |
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| 20 | # python core modules |
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| 21 | from optparse import make_option |
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| 22 | import types |
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| 23 | import sys |
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| 24 | import re |
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| 25 | import os |
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| 26 | import time |
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| 27 | |
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| 28 | __author__ = 'Dennis Stam' |
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| 29 | __version__ = '2.2.6' |
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| 30 | |
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| 31 | # Specify here your BATCH name pattern, this is |
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| 32 | # used for sorting when you are using basenames |
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| 33 | RE_PATTERN = '(r\d+n\d+)' |
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| 34 | |
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| 35 | class sara_nodesException( Exception ): |
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| 36 | |
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| 37 | def __init__(self, msg='' ): |
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| 38 | self.msg = msg |
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| 39 | Exception.__init__( self, msg ) |
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| 40 | |
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| 41 | def __repr__(self): |
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| 42 | return self.msg |
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| 43 | |
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| 44 | def islist(self): |
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| 45 | if type(self.msg) is types.ListType: |
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| 46 | return True |
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| 47 | |
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| 48 | return False |
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| 49 | |
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| 50 | def getlist(self): |
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| 51 | return self.msg |
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| 52 | |
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| 53 | class sara_nodesCli: |
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| 54 | ''' |
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| 55 | This class is the Command Line Interface from here we call the sara_nodes class / module |
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| 56 | ''' |
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| 57 | option_list = [ |
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| 58 | make_option( '-v', '--verbose', dest='verbose', action='store_true', help='enables verbose mode' ), |
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| 59 | make_option( '-n', '--dry-run', dest='dryrun', action='store_true', help='enables dry-run mode' ), |
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| 60 | make_option( '-q', '--quiet', dest='quiet', action='store_true', help='enable this function to supress all feedback'), |
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| 61 | make_option( '-o', '--offline', dest='offline', help='change state to offline', metavar='NOTE' ), |
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| 62 | make_option( '-c', '--clear', dest='clear', action='store_true', help='change state to down' ), |
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| 63 | make_option( '-N', '--clearnote', dest='note', action='store_true', help='clear note of node' ), |
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| 64 | 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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| 65 | make_option( '-t', '--ticket', dest='ticket', help='add/change/remove ticket number, removing use -t c' ), |
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| 66 | ] |
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| 67 | |
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| 68 | def __init__(self): |
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| 69 | ''' |
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| 70 | sara_nodes [ <options> <nodenames> | [nodenames] ] |
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| 71 | ''' |
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| 72 | self.obj_sara_nodes = sara_nodes() |
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| 73 | self.parser = AdvancedParser.AdvancedParser( option_list=self.option_list, version='sara_nodes version %s, %s' % (__version__,__author__), usage=self.__init__.__doc__) |
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| 74 | |
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| 75 | |
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| 76 | self.parser.set_default('verbose', False) |
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| 77 | self.parser.set_default('dryrun', False) |
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| 78 | self.parser.set_default('offline', False) |
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| 79 | self.parser.set_default('clear', False) |
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| 80 | self.parser.set_default('note', False) |
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| 81 | self.parser.set_default('quiet', False) |
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| 82 | self.parser.set_default('ticket', None) |
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| 83 | self.parser.set_default('modify', False) |
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| 84 | |
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| 85 | options, args = self.parser.parse_args() |
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| 86 | |
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| 87 | if not options.quiet: |
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| 88 | self.obj_sara_nodes.dryrun = options.dryrun |
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| 89 | |
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| 90 | if options.dryrun or options.verbose: |
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| 91 | self.obj_sara_nodes.verbose = True |
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| 92 | |
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| 93 | if str( options.offline ).rstrip() == '' or str( options.modify ).rstrip() == '': |
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| 94 | if not options.quiet: |
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| 95 | print 'usage:%s' % self.__init__.__doc__ |
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| 96 | print 'sara_nodes: error: option requires an argument' |
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| 97 | |
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| 98 | sys.exit( 1 ) |
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| 99 | |
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| 100 | try: |
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| 101 | if options.offline and not options.clear: |
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| 102 | if args: |
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| 103 | self.obj_sara_nodes.pbs_change_state_offline( args, options.offline, options.ticket ) |
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| 104 | else: |
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| 105 | raise sara_nodesException, 'No hostnames given' |
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| 106 | elif options.clear and not options.offline: |
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| 107 | if args: |
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| 108 | self.obj_sara_nodes.pbs_change_state_down( args ) |
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| 109 | else: |
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| 110 | raise sara_nodesException, 'No hostnames given' |
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| 111 | elif options.note: |
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| 112 | if args: |
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| 113 | self.obj_sara_nodes.pbs_change_note_clear( args ) |
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| 114 | else: |
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| 115 | raise sara_nodesException, 'No hostnames given' |
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| 116 | elif options.modify: |
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| 117 | if args: |
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| 118 | self.obj_sara_nodes.pbs_change_note( args, options.modify, options.ticket ) |
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| 119 | else: |
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| 120 | raise sara_nodesException, 'No hostnames given' |
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| 121 | elif options.ticket: |
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| 122 | if args: |
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| 123 | self.obj_sara_nodes.pbs_change_note_ticket( args, options.ticket ) |
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| 124 | else: |
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| 125 | raise sara_nodesException, 'No hostnames given' |
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| 126 | else: |
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| 127 | if not options.quiet: |
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| 128 | print '\n Use option --help for help' |
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| 129 | self.print_list(args, options) |
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| 130 | |
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| 131 | except sara_nodesException, msg: |
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| 132 | if not options.quiet: |
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| 133 | print 'usage:%s' % self.__init__.__doc__ |
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| 134 | |
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| 135 | if msg.islist(): |
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| 136 | print 'sara_nodes: error: list:' |
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| 137 | |
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| 138 | for item in msg.getlist(): |
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| 139 | print '\t', item |
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| 140 | else: |
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| 141 | print 'sara_nodes: error:', str( msg ) |
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| 142 | |
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| 143 | sys.exit( 1 ) |
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| 144 | |
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| 145 | def list_create_space( self, length, max ): |
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| 146 | ''' |
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| 147 | This method returns the amount of empty spaces that's required |
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| 148 | ''' |
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| 149 | if max > length: |
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| 150 | return ' ' * ( max - length ) |
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| 151 | else: |
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| 152 | return '' |
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| 153 | |
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| 154 | def print_note( self, pre_parts ): |
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| 155 | |
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| 156 | if len( pre_parts ) == 5: |
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| 157 | pre_parts[0] = pre_parts[0].strip() |
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| 158 | pre_parts[1] = pre_parts[1].strip() |
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| 159 | pre_parts[2] = '%s%s' % ( pre_parts[2].strip(), self.list_create_space( len( pre_parts[2].strip() ), 6 ) ) |
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| 160 | pre_parts[3] = '%s%s' % ( pre_parts[3].strip(), self.list_create_space( len( pre_parts[3].strip() ), 5 ) ) |
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| 161 | return '%s, %s %s %s: %s' % ( pre_parts[0], pre_parts[1], pre_parts[2], pre_parts[3], ','.join( pre_parts[4:] ) ) |
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| 162 | else: |
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| 163 | return ' '.join( pre_parts ) |
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| 164 | |
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| 165 | def print_table( self, node_list, pbs_nodes ): |
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| 166 | ''' |
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| 167 | This method prints the rows of a table |
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| 168 | ''' |
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| 169 | try: |
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| 170 | for node in node_list: |
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| 171 | note = '' |
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| 172 | if pbs_nodes[ node ].has_key('note'): |
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| 173 | note = pbs_nodes[ node ]['note'] |
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| 174 | |
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| 175 | if self.allowed_state( pbs_nodes[ node ]['state'] ) or note: |
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| 176 | |
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| 177 | length_node = len( node ) |
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| 178 | length_state = len( ','.join( pbs_nodes[ node ]['state'] ) ) |
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| 179 | |
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| 180 | note_node = ' %s%s|' % ( node, self.list_create_space( length_node, 10 ) ) |
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| 181 | note_state = ' %s%s|' % ( ','.join( pbs_nodes[ node ]['state'] ), self.list_create_space( length_state, 19 ) ) |
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| 182 | note_note = ' %s' % self.print_note( note ) |
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| 183 | |
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| 184 | print '%s%s%s' % ( note_node, note_state, note_note ) |
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| 185 | except KeyError, e: |
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| 186 | raise sara_nodesException, 'Given host does not exist' |
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| 187 | |
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| 188 | def print_list(self, args, options): |
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| 189 | ''' |
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| 190 | A method that is used for collecting all nodes with the state down, offline or unknown |
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| 191 | ''' |
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| 192 | |
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| 193 | header = ' Nodename%s| State%s| Note' % ( self.list_create_space( len('Nodename'), 10 ), self.list_create_space( len('State'), 19) ) |
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| 194 | if not options.quiet: |
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| 195 | print '\n%s\n%s' % ( header, ( '-' * 80 ) ) |
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| 196 | |
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| 197 | p = PBSQuery.PBSQuery() |
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| 198 | # Enable new data_structure to be prepared for release 4.0 |
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| 199 | p.new_data_structure() |
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| 200 | nodes = p.getnodes( ['state', 'note'] ) |
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| 201 | |
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| 202 | if args: |
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| 203 | args = self.sort_nodes( args ) |
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| 204 | self.print_table( args[0], nodes ) |
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| 205 | else: |
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| 206 | sorted_nodes, sorted_other = self.sort_nodes( nodes ) |
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| 207 | |
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| 208 | self.print_table( sorted_other, nodes ) |
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| 209 | self.print_table( sorted_nodes, nodes ) |
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| 210 | |
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| 211 | def real_sort( self, inlist ): |
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| 212 | ''' |
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| 213 | Use this method instead of the x.sort(), because with x.sort() |
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| 214 | numeric values in a string are not correctly sorted! |
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| 215 | ''' |
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| 216 | indices = map(self._generate_index, inlist ) |
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| 217 | decorated = zip( indices, inlist ) |
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| 218 | decorated.sort() |
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| 219 | |
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| 220 | return [ item for index, item in decorated ] |
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| 221 | |
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| 222 | def _generate_index( self, str ): |
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| 223 | ''' |
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| 224 | Spliting a strng in aplha and numeric elements |
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| 225 | ''' |
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| 226 | |
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| 227 | index = [] |
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| 228 | |
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| 229 | def _append( fragment, alist=index ): |
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| 230 | if fragment.isdigit(): |
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| 231 | fragment = int( fragment ) |
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| 232 | alist.append( fragment ) |
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| 233 | |
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| 234 | prev_isdigit = str[0].isdigit() |
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| 235 | current_fragment = '' |
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| 236 | |
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| 237 | for char in str: |
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| 238 | curr_isdigit = char.isdigit() |
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| 239 | |
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| 240 | if curr_isdigit == prev_isdigit: |
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| 241 | current_fragment += char |
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| 242 | else: |
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| 243 | _append( current_fragment ) |
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| 244 | current_fragment = char |
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| 245 | prev_isdigit = curr_isdigit |
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| 246 | |
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| 247 | _append( current_fragment ) |
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| 248 | |
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| 249 | return tuple( index ) |
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| 250 | |
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| 251 | def sort_nodes(self, nodes): |
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| 252 | ''' |
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| 253 | Sorts the nodes list and returns two lists |
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| 254 | the first the nodes secondly the other machines |
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| 255 | |
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| 256 | When RE_PATTERN is not supplied then all names |
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| 257 | will be sorted the same way. |
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| 258 | ''' |
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| 259 | |
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| 260 | if not globals().has_key('RE_PATTERN'): |
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| 261 | global RE_PATTERN |
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| 262 | RE_PATTERN = '' |
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| 263 | |
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| 264 | pattern = re.compile( RE_PATTERN, re.VERBOSE ) |
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| 265 | |
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| 266 | tmplist = list() |
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| 267 | tmplist_other = list() |
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| 268 | |
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| 269 | for node in nodes: |
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| 270 | match = pattern.findall( node ) |
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| 271 | |
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| 272 | if match and len( match ) == 1: |
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| 273 | tmplist.append( node ) |
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| 274 | else: |
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| 275 | tmplist_other.append( node ) |
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| 276 | |
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| 277 | tmplist = self.real_sort( tmplist ) |
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| 278 | tmplist_other.sort() |
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| 279 | |
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| 280 | return tmplist, tmplist_other |
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| 281 | |
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| 282 | def allowed_state(self, state): |
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| 283 | ''' |
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| 284 | This method checks is a node complies with the following states: |
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| 285 | down, offline and or unknown |
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| 286 | ''' |
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| 287 | allowed_list = set( ['down', 'offline', 'unknown'] ) |
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| 288 | |
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| 289 | return bool( allowed_list.intersection( set( state ) ) ) |
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| 290 | |
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| 291 | class sara_nodes: |
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| 292 | |
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| 293 | def __init__(self): |
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| 294 | ''' |
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| 295 | Just initialize two optional variables |
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| 296 | ''' |
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| 297 | self.dryrun = False |
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| 298 | self.verbose = False |
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| 299 | |
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| 300 | def note_check_ticket( self, ticketno, oldticket ): |
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| 301 | |
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| 302 | if ticketno: |
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| 303 | try: |
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| 304 | return '#%d' % int( ticketno ) |
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| 305 | except ValueError: |
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| 306 | if ticketno == 'c': |
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| 307 | return '' |
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| 308 | |
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| 309 | return oldticket |
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| 310 | |
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| 311 | def note_return_username( self, old_username ): |
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| 312 | username = os.getlogin() |
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| 313 | |
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| 314 | if username != 'root': |
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| 315 | return username |
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| 316 | else: |
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| 317 | return old_username |
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| 318 | |
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| 319 | def note_create( self, new_note, mode = 'a', old_note = None ): |
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| 320 | if mode == 'w': |
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| 321 | return new_note |
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| 322 | else: |
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| 323 | if old_note and old_note.find( new_note ) < 0: |
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| 324 | return '%s, %s' % ( old_note, new_note ) |
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| 325 | else: |
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| 326 | return new_note |
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| 327 | |
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| 328 | def note_init( self ): |
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| 329 | current_date = time.strftime( '%d-%m %H:%M', time.localtime() ) |
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| 330 | current_username = os.getlogin() |
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| 331 | |
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| 332 | return [ current_date, current_date, current_username, '' ] |
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| 333 | |
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| 334 | def note( self, node, note_attr ): |
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| 335 | ''' |
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| 336 | This method combines all note methods and returns the new note |
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| 337 | ''' |
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| 338 | self.verbose_print('note %s : %s' %(node, note_attr)) |
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| 339 | |
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| 340 | p = PBSQuery.PBSQuery() |
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| 341 | p.new_data_structure() |
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| 342 | |
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| 343 | pbs_info = p.getnode( node, ['note'] ) |
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| 344 | pre_parts = list() |
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| 345 | old_note = None |
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| 346 | new_note = None |
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| 347 | |
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| 348 | if pbs_info.has_key( 'note' ): |
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| 349 | pbs_note = pbs_info[ 'note' ] |
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| 350 | if len( pbs_note ) > 4: |
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| 351 | pre_parts = pbs_note[:4] |
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| 352 | old_note = ', '.join( pbs_note[4:] ) |
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| 353 | |
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| 354 | pre_parts[1] = time.strftime( '%d-%m %H:%M', time.localtime() ) |
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| 355 | pre_parts[2] = self.note_return_username( pre_parts[2] ) |
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| 356 | |
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| 357 | else: |
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| 358 | pre_parts = self.note_init() |
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| 359 | |
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| 360 | if note_attr.has_key( 'ticket' ): |
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| 361 | pre_parts[3] = self.note_check_ticket( note_attr['ticket'], pre_parts[3] ) |
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| 362 | |
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| 363 | if note_attr.has_key( 'note' ) and note_attr.has_key( 'mode' ): |
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| 364 | if note_attr[ 'note' ] and note_attr[ 'mode' ] in [ 'a','w' ]: |
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| 365 | if old_note: |
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| 366 | new_note = self.note_create( note_attr[ 'note' ], note_attr[ 'mode' ], old_note ) |
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| 367 | else: |
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| 368 | new_note = self.note_create( note_attr[ 'note' ], note_attr[ 'mode' ] ) |
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| 369 | else: |
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| 370 | new_note = old_note |
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| 371 | |
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| 372 | return '%s,%s' % ( ','.join( pre_parts ), new_note ) |
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| 373 | |
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| 374 | def verbose_print( self, msg ): |
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| 375 | if self.verbose: |
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| 376 | print msg |
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| 377 | |
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| 378 | def pbs_change_note_clear( self, nodes ): |
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| 379 | attributes = pbs.new_attropl(1) |
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| 380 | attributes[0].name = 'note' |
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| 381 | attributes[0].value = '' |
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| 382 | |
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| 383 | self.verbose_print( 'pbs_change_note_clear' ) |
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| 384 | self.pbs_batch( nodes, attributes ) |
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| 385 | |
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| 386 | def pbs_change_note_ticket( self, nodes, ticket ): |
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| 387 | note_attributes = { 'note': None, 'ticket': ticket, 'mode': 'a' } |
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| 388 | self.verbose_print( 'pbs_change_note_ticket : %s' % ( ticket ) ) |
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| 389 | self.pbs_batch( nodes, None, note_attributes) |
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| 390 | |
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| 391 | def pbs_change_note( self, nodes, note, ticket=None ): |
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| 392 | note_attributes = { 'note': note, 'ticket': ticket, 'mode': 'w' } |
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| 393 | |
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| 394 | self.verbose_print( 'pbs_change_note : %s' % (note ) ) |
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| 395 | if ticket: |
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| 396 | self.verbose_print( 'pbs_change_note : %s' % (ticket ) ) |
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| 397 | |
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| 398 | self.pbs_batch( nodes, None, note_attributes) |
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| 399 | |
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| 400 | def pbs_change_state_offline( self, nodes, note, ticket=None ): |
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| 401 | attributes = pbs.new_attropl(1) |
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| 402 | attributes[0].name = 'state' |
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| 403 | attributes[0].value = 'offline' |
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| 404 | |
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| 405 | note_attributes = { 'note': note, 'ticket': ticket, 'mode': 'a' } |
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| 406 | |
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| 407 | self.verbose_print( 'State%s: offline' % ( ' ' * ( 12 - 5 ) ) ) |
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| 408 | self.verbose_print( 'Note%s: %s' % ( ' ' * ( 12 - 4 ), note ) ) |
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| 409 | if ticket: |
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| 410 | self.verbose_print( 'Ticket%s: %s' % ( ' ' * ( 12 - 6 ), ticket ) ) |
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| 411 | self.pbs_batch( nodes, attributes, note_attributes ) |
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| 412 | |
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| 413 | def pbs_change_state_down( self, nodes ): |
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| 414 | attributes = pbs.new_attropl(2) |
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| 415 | attributes[0].name = 'state' |
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| 416 | attributes[0].value = 'down' |
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| 417 | |
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| 418 | attributes[1].name = 'note' |
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| 419 | attributes[1].value = '' |
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| 420 | |
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| 421 | self.verbose_print( 'State%s: down' % ( ' ' * ( 12 - 5 ) ) ) |
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| 422 | self.verbose_print( 'Note%s: cleared' % ( ' ' * ( 12 - 4 ) ) ) |
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| 423 | self.pbs_batch( nodes, attributes ) |
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| 424 | |
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| 425 | def pbs_batch( self, nodes, attrs=None, note_attributes=None ): |
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| 426 | self.verbose_print('pbs_batch') |
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| 427 | print attrs |
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| 428 | print note_attributes |
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| 429 | nodeserror = list() |
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| 430 | |
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| 431 | if not attrs and not note_attributes: |
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| 432 | raise sara_nodesException, 'attrs and note_attributes can not be empty together!' |
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| 433 | |
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| 434 | if not self.dryrun: |
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| 435 | pbs_server = pbs.pbs_default() |
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| 436 | |
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| 437 | if not pbs_server: |
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| 438 | raise sara_nodesException, 'Default pbs server not found!' |
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| 439 | |
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| 440 | if note_attributes and len( note_attributes ) == 3: |
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| 441 | if attrs: |
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| 442 | attributes = attrs + pbs.new_attropl(1) |
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| 443 | attributes[1].name = 'note' |
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| 444 | else: |
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| 445 | attributes = pbs.new_attropl(1) |
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| 446 | attributes[0].name = 'note' |
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| 447 | else: |
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| 448 | attributes = attrs |
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| 449 | |
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| 450 | pbs_connection = pbs.pbs_connect( pbs_server ) |
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| 451 | |
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| 452 | for node in nodes: |
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| 453 | if note_attributes and len( note_attributes ) == 3: |
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| 454 | try: |
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| 455 | if attrs: |
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| 456 | attributes[1].value = self.note( node, note_attributes ) |
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| 457 | print attributes[1].value |
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| 458 | else: |
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| 459 | attributes[0].value = self.note( node, note_attributes ) |
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| 460 | print attributes[0].value |
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| 461 | except KeyError: |
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| 462 | pass |
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| 463 | |
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| 464 | rcode = pbs.pbs_manager( pbs_connection, pbs.MGR_CMD_SET, pbs.MGR_OBJ_NODE, node, attributes, 'NULL' ) |
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| 465 | if rcode > 0: |
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| 466 | errno, text = pbs.error() |
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| 467 | nodeserror.append( '%s: %s (%s)' % ( node, text, errno ) ) |
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| 468 | else: |
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| 469 | p = PBSQuery.PBSQuery() |
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| 470 | pbsnodes = p.getnodes().keys() |
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| 471 | |
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| 472 | print 'Nodes:' |
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| 473 | |
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| 474 | for node in nodes: |
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| 475 | if node in pbsnodes: |
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| 476 | print '\t-', node |
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| 477 | else: |
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| 478 | nodeserror.append( '%s: does not exist' % node ) |
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| 479 | |
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| 480 | if len( nodeserror ) > 0: |
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| 481 | raise sara_nodesException, nodeserror |
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| 482 | |
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| 483 | if __name__ == '__main__': |
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| 484 | sara_nodesCli() |
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