[72] | 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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[275] | 6 | # $Id: PBSQuery.py 289 2013-02-26 09:22:59Z bas $ |
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[72] | 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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[75] | 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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[72] | 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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[75] | 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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[72] | 24 | |
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| 25 | There are the following functions for PBSQuery: |
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| 26 | job - |
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[275] | 27 | getjob(job_id, attributes=<default is all>) |
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| 28 | getjobs(attributes=<default is all>) |
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[72] | 29 | |
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| 30 | node - |
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[275] | 31 | getnode(node_id, attributes=<default is all>) |
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| 32 | getnodes(attributes=<default is all>) |
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[72] | 33 | |
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| 34 | queue - |
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[275] | 35 | getqueue(queue_id, attributes=<default is all>) |
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| 36 | getqueues(attributes=<default is all>) |
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[72] | 37 | |
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| 38 | server - |
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[275] | 39 | get_serverinfo(attributes=<default is all>) |
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[72] | 40 | |
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| 41 | Here is an example how to use the module: |
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[275] | 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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[72] | 49 | |
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[275] | 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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[75] | 54 | |
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[84] | 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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[275] | 58 | l.append('state') |
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| 59 | nodes = p.getnodes(l) |
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[72] | 60 | """ |
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| 61 | import pbs |
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[139] | 62 | import UserDict |
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[143] | 63 | import string |
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[139] | 64 | import sys |
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[167] | 65 | import re |
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[195] | 66 | import types |
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[72] | 67 | |
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[99] | 68 | class PBSError(Exception): |
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[275] | 69 | def __init__(self, msg=''): |
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| 70 | self.msg = msg |
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| 71 | Exception.__init__(self, msg) |
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| 72 | |
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| 73 | def __repr__(self): |
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| 74 | return self.msg |
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[72] | 75 | |
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[275] | 76 | __str__ = __repr__ |
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[99] | 77 | |
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[139] | 78 | |
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[72] | 79 | class PBSQuery: |
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[188] | 80 | |
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[275] | 81 | # a[key] = value, key and value are data type string |
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| 82 | # |
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| 83 | OLD_DATA_STRUCTURE = False |
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[188] | 84 | |
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[275] | 85 | def __init__(self, server=None): |
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| 86 | if not server: |
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| 87 | self.server = pbs.pbs_default() |
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| 88 | else: |
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| 89 | self.server = server |
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[72] | 90 | |
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[279] | 91 | self._connect() |
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| 92 | ## this is needed for getjob a jobid is made off: |
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| 93 | # sequence_number.server (is not self.server) |
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| 94 | # |
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| 95 | self.job_server_id = list(self.get_serverinfo())[0] |
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| 96 | self._disconnect() |
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| 97 | |
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| 98 | |
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[275] | 99 | def _connect(self): |
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| 100 | """Connect to the PBS/Torque server""" |
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| 101 | self.con = pbs.pbs_connect(self.server) |
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| 102 | if self.con < 0: |
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| 103 | str = "Could not make a connection with %s\n" %(self.server) |
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| 104 | raise PBSError(str) |
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[79] | 105 | |
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[275] | 106 | def _disconnect(self): |
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| 107 | """Close the PBS/Torque connection""" |
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| 108 | pbs.pbs_disconnect(self.con) |
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| 109 | self.attribs = 'NULL' |
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[72] | 110 | |
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[275] | 111 | def _list_2_attrib(self, list): |
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| 112 | """Convert a python list to an attrib list suitable for pbs""" |
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| 113 | self.attribs = pbs.new_attrl( len(list) ) |
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| 114 | i = 0 |
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| 115 | for attrib in list: |
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| 116 | # So we can user Resource |
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| 117 | attrib = attrib.split('.') |
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| 118 | self.attribs[i].name = attrib[0] |
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| 119 | i = i + 1 |
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[72] | 120 | |
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[275] | 121 | def _pbsstr_2_list(self, str, delimiter): |
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| 122 | """Convert a string to a python list and use delimiter as spit char""" |
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| 123 | l = sting.splitfields(str, delimiter) |
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| 124 | if len(l) > 1: |
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| 125 | return l |
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[72] | 126 | |
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[275] | 127 | def _list_2_dict(self, l, class_func): |
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| 128 | """ |
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| 129 | Convert a pbsstat function list to a class dictionary, The |
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| 130 | data structure depends on the function new_data_structure(). |
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| 131 | |
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| 132 | Default data structure is: |
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| 133 | class[key] = value, Where key and value are of type string |
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[188] | 134 | |
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[275] | 135 | Future release, can be set by new_data_structure(): |
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| 136 | - class[key] = value where value can be: |
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| 137 | 1. a list of values of type string |
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| 138 | 2. a dictionary with as list of values of type string. If |
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| 139 | values contain a '=' character |
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[188] | 140 | |
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[275] | 141 | eg: |
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| 142 | print node['np'] |
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| 143 | >> [ '2' ] |
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[188] | 144 | |
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[275] | 145 | print node['status']['arch'] |
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| 146 | >> [ 'x86_64' ] |
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| 147 | """ |
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| 148 | self.d = {} |
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| 149 | for item in l: |
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| 150 | new = class_func() |
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[188] | 151 | |
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[275] | 152 | self.d[item.name] = new |
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| 153 | |
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| 154 | new.name = item.name |
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[188] | 155 | |
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[275] | 156 | for a in item.attribs: |
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[188] | 157 | |
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[275] | 158 | if self.OLD_DATA_STRUCTURE: |
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[188] | 159 | |
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[275] | 160 | if a.resource: |
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| 161 | key = '%s.%s' %(a.name, a.resource) |
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| 162 | else: |
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| 163 | key = '%s' %(a.name) |
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[205] | 164 | |
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[275] | 165 | new[key] = a.value |
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[205] | 166 | |
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[275] | 167 | else: |
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| 168 | values = string.split(a.value, ',') |
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| 169 | sub_dict = string.split(a.value, '=') |
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[205] | 170 | |
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| 171 | |
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[275] | 172 | # We must creat sub dicts, only for specified |
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| 173 | # key values |
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| 174 | # |
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| 175 | if a.name in ['status', 'Variable_List']: |
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[188] | 176 | |
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[275] | 177 | for v in values: |
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[188] | 178 | |
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[275] | 179 | tmp_l = v.split('=') |
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[188] | 180 | |
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[275] | 181 | ## Support for multiple EVENT mesages in format [key=value:]+ |
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[285] | 182 | # format eg: message=EVENT:sample.time=1288864220.003,EVENT:kernel=upgrade,cputotals.user=0 |
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[275] | 183 | # message=ERROR <text> |
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| 184 | # |
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| 185 | if tmp_l[0] in ['message']: |
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[263] | 186 | |
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[275] | 187 | if tmp_l[1].startswith('EVENT:'): |
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[263] | 188 | |
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[275] | 189 | tmp_d = dict() |
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| 190 | new['event'] = class_func(tmp_d) |
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[263] | 191 | |
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[275] | 192 | message_list = v.split(':') |
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| 193 | for event_type in message_list[1:]: |
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| 194 | tmp_l = event_type.split('=') |
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| 195 | new['event'][ tmp_l[0] ] = tmp_l[1:] |
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[264] | 196 | |
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[275] | 197 | else: |
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[285] | 198 | |
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[275] | 199 | ## ERROR message |
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| 200 | # |
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| 201 | new['error'] = tmp_l [1:] |
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[264] | 202 | |
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[285] | 203 | elif tmp_l[0].startswith('EVENT:'): |
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[263] | 204 | |
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[285] | 205 | message_list = v.split(':') |
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| 206 | for event_type in message_list[1:]: |
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| 207 | tmp_l = event_type.split('=') |
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| 208 | new['event'][ tmp_l[0] ] = tmp_l[1:] |
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[188] | 209 | |
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[275] | 210 | else: |
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[285] | 211 | ## Check if we already added the key |
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| 212 | # |
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| 213 | if new.has_key(a.name): |
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[205] | 214 | |
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[285] | 215 | new[a.name][ tmp_l[0] ] = tmp_l[1:] |
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| 216 | |
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| 217 | else: |
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| 218 | |
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| 219 | tmp_d = dict() |
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| 220 | tmp_d[ tmp_l[0] ] = tmp_l[1:] |
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| 221 | new[a.name] = class_func(tmp_d) |
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| 222 | |
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[275] | 223 | else: |
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[285] | 224 | |
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[275] | 225 | ## Check if it is a resource type variable, eg: |
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| 226 | # - Resource_List.(nodes, walltime, ..) |
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| 227 | # |
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| 228 | if a.resource: |
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[205] | 229 | |
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[275] | 230 | if new.has_key(a.name): |
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| 231 | new[a.name][a.resource] = values |
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[205] | 232 | |
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[275] | 233 | else: |
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| 234 | tmp_d = dict() |
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| 235 | tmp_d[a.resource] = values |
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| 236 | new[a.name] = class_func(tmp_d) |
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| 237 | else: |
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| 238 | # Simple value |
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| 239 | # |
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| 240 | new[a.name] = values |
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[205] | 241 | |
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[275] | 242 | self._free(l) |
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| 243 | |
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| 244 | def _free(self, memory): |
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| 245 | """ |
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| 246 | freeing up used memmory |
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[188] | 247 | |
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[275] | 248 | """ |
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| 249 | pbs.pbs_statfree(memory) |
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[72] | 250 | |
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[275] | 251 | def _statserver(self, attrib_list=None): |
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| 252 | """Get the server config from the pbs server""" |
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| 253 | if attrib_list: |
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| 254 | self._list_2_attrib(attrib_list) |
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| 255 | else: |
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| 256 | self.attribs = 'NULL' |
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| 257 | |
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| 258 | self._connect() |
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| 259 | serverinfo = pbs.pbs_statserver(self.con, self.attribs, 'NULL') |
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| 260 | self._disconnect() |
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| 261 | |
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| 262 | self._list_2_dict(serverinfo, server) |
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[72] | 263 | |
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[275] | 264 | def get_serverinfo(self, attrib_list=None): |
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| 265 | self._statserver(attrib_list) |
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| 266 | return self.d |
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[72] | 267 | |
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[275] | 268 | def _statqueue(self, queue_name='', attrib_list=None): |
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| 269 | """Get the queue config from the pbs server""" |
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| 270 | if attrib_list: |
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| 271 | self._list_2_attrib(attrib_list) |
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| 272 | else: |
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| 273 | self.attribs = 'NULL' |
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| 274 | |
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| 275 | self._connect() |
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| 276 | queues = pbs.pbs_statque(self.con, queue_name, self.attribs, 'NULL') |
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| 277 | self._disconnect() |
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| 278 | |
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| 279 | self._list_2_dict(queues, queue) |
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[79] | 280 | |
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[275] | 281 | def getqueue(self, name, attrib_list=None): |
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| 282 | self._statqueue(name, attrib_list) |
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| 283 | try: |
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| 284 | return self.d[name] |
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| 285 | except KeyError, detail: |
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| 286 | return self.d |
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[72] | 287 | |
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[275] | 288 | def getqueues(self, attrib_list=None): |
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| 289 | self._statqueue('', attrib_list) |
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| 290 | return self.d |
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[72] | 291 | |
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[275] | 292 | def _statnode(self, select='', attrib_list=None, property=None): |
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| 293 | """Get the node config from the pbs server""" |
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| 294 | if attrib_list: |
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| 295 | self._list_2_attrib(attrib_list) |
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| 296 | else: |
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| 297 | self.attribs = 'NULL' |
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| 298 | |
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| 299 | if property: |
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| 300 | select = ':%s' %(property) |
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[164] | 301 | |
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[275] | 302 | self._connect() |
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| 303 | nodes = pbs.pbs_statnode(self.con, select, self.attribs, 'NULL') |
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| 304 | self._disconnect() |
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| 305 | |
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| 306 | self._list_2_dict(nodes, node) |
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[79] | 307 | |
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[275] | 308 | def getnode(self, name, attrib_list=None): |
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| 309 | self._statnode(name, attrib_list) |
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| 310 | try: |
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| 311 | return self.d[name] |
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| 312 | except KeyError, detail: |
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| 313 | return self.d |
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[72] | 314 | |
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[275] | 315 | def getnodes(self, attrib_list=None): |
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| 316 | self._statnode('', attrib_list) |
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| 317 | return self.d |
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[72] | 318 | |
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[275] | 319 | def getnodes_with_property(self, property, attrib_list=None): |
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| 320 | self._statnode('', attrib_list, property) |
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| 321 | return self.d |
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[164] | 322 | |
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[275] | 323 | def _statjob(self, job_name='', attrib_list=None): |
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| 324 | """Get the job config from the pbs server""" |
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| 325 | if attrib_list: |
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| 326 | self._list_2_attrib(attrib_list) |
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| 327 | else: |
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| 328 | self.attribs = 'NULL' |
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| 329 | |
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| 330 | self._connect() |
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| 331 | jobs = pbs.pbs_statjob(self.con, job_name, self.attribs, 'NULL') |
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| 332 | self._disconnect() |
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| 333 | |
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| 334 | self._list_2_dict(jobs, job) |
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[72] | 335 | |
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[275] | 336 | def getjob(self, name, attrib_list=None): |
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[279] | 337 | ## To make sure we use the full name of a job; Changes a name |
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| 338 | # like 1234567 into 1234567.job_server_id |
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| 339 | # |
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| 340 | if len(name.split('.')) == 1 : |
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| 341 | name = name.split('.')[0] + "." + self.job_server_id |
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[175] | 342 | |
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[275] | 343 | self._statjob(name, attrib_list) |
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| 344 | try: |
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| 345 | return self.d[name] |
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| 346 | except KeyError, detail: |
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| 347 | return self.d |
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[72] | 348 | |
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[275] | 349 | def getjobs(self, attrib_list=None): |
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| 350 | self._statjob('', attrib_list) |
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| 351 | return self.d |
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[72] | 352 | |
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[275] | 353 | def get_server_name(self): |
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| 354 | return self.server |
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[169] | 355 | |
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[275] | 356 | def new_data_structure(self): |
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| 357 | """ |
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| 358 | Use the new data structure. Is now the default |
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| 359 | """ |
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| 360 | self.OLD_DATA_STRUCTURE = False |
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[188] | 361 | |
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[275] | 362 | def old_data_structure(self): |
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| 363 | """ |
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| 364 | Use the old data structure. This function is obselete and |
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| 365 | will be removed in a future release |
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| 366 | """ |
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| 367 | self.OLD_DATA_STRUCTURE = True |
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[227] | 368 | |
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[139] | 369 | class _PBSobject(UserDict.UserDict): |
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[275] | 370 | TRUE = 1 |
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| 371 | FALSE = 0 |
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[72] | 372 | |
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[275] | 373 | def __init__(self, dictin = None): |
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| 374 | UserDict.UserDict.__init__(self) |
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| 375 | self.name = None |
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[76] | 376 | |
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[275] | 377 | if dictin: |
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| 378 | if dictin.has_key('name'): |
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| 379 | self.name = dictin['name'] |
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| 380 | del dictin['name'] |
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| 381 | self.data = dictin |
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[205] | 382 | |
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[275] | 383 | def get_value(self, key): |
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| 384 | if self.has_key(key): |
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| 385 | return self[key] |
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| 386 | else: |
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| 387 | return None |
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[72] | 388 | |
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[275] | 389 | def __repr__(self): |
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| 390 | return repr(self.data) |
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[188] | 391 | |
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[275] | 392 | def __str__(self): |
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| 393 | return str(self.data) |
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[188] | 394 | |
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[275] | 395 | def __getattr__(self, name): |
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| 396 | """ |
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| 397 | override the class attribute get method. Return the value |
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| 398 | from the Userdict |
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| 399 | """ |
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| 400 | try: |
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| 401 | return self.data[name] |
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| 402 | except KeyError: |
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| 403 | error = 'Attribute key error: %s' %(name) |
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| 404 | raise PBSError(error) |
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[188] | 405 | |
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[275] | 406 | ## Disabled for this moment, BvdV 16 July 2010 |
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| 407 | # |
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| 408 | #def __setattr__(self, name, value): |
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| 409 | # """ |
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| 410 | # override the class attribute set method only when the UserDict |
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| 411 | # has set its class attribute |
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| 412 | # """ |
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| 413 | # if self.__dict__.has_key('data'): |
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| 414 | # self.data[name] = value |
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| 415 | # else: |
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| 416 | # self.__dict__[name] = value |
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[243] | 417 | |
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[275] | 418 | def __iter__(self): |
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| 419 | return iter(self.data.keys()) |
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[190] | 420 | |
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[289] | 421 | def __nonzero__(self): |
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| 422 | if self.data: |
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| 423 | return True |
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| 424 | else: |
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| 425 | return False |
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| 426 | |
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[275] | 427 | def uniq(self, list): |
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| 428 | """Filter out unique items of a list""" |
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| 429 | uniq_items = {} |
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| 430 | for item in list: |
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| 431 | uniq_items[item] = 1 |
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| 432 | return uniq_items.keys() |
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[171] | 433 | |
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[275] | 434 | def return_value(self, key): |
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| 435 | """Function that returns a value independent of new or old data structure""" |
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| 436 | if isinstance(self[key], types.ListType): |
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| 437 | return self[key][0] |
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| 438 | else: |
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| 439 | return self[key] |
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[195] | 440 | |
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[72] | 441 | class job(_PBSobject): |
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[275] | 442 | """PBS job class""" |
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| 443 | def is_running(self): |
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[195] | 444 | |
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[275] | 445 | value = self.return_value('job_state') |
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| 446 | if value == 'Q': |
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| 447 | return self.TRUE |
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| 448 | else: |
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| 449 | return self.FALSE |
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[72] | 450 | |
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[275] | 451 | def get_nodes(self, unique=None): |
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| 452 | """ |
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| 453 | Returns a list of the nodes which run this job |
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| 454 | format: |
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| 455 | * exec_host: gb-r10n14/5+gb-r10n14/4+gb-r10n14/3+gb-r10n14/2+gb-r10n14/1+gb-r10n14/0 |
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| 456 | * split on '+' and if uniq is set split on '/' |
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| 457 | """ |
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| 458 | nodes = self.get_value('exec_host') |
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| 459 | |
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| 460 | if isinstance(nodes, str): |
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| 461 | if nodes: |
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| 462 | nodelist = string.split(nodes,'+') |
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| 463 | if not unique: |
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| 464 | return nodelist |
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| 465 | else: |
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| 466 | l = list() |
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[246] | 467 | |
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[275] | 468 | for n in nodelist: |
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| 469 | t = string.split(n,'/') |
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| 470 | if t[0] not in l: |
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| 471 | l.append(t[0]) |
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[246] | 472 | |
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[275] | 473 | return l |
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[246] | 474 | |
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[275] | 475 | else: |
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| 476 | return list() |
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| 477 | else: |
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| 478 | l = list() |
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| 479 | for n in nodes: |
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[143] | 480 | |
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[275] | 481 | nlist = string.split(n,'+') |
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[143] | 482 | |
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[275] | 483 | if unique: |
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| 484 | for entry in nlist: |
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[246] | 485 | |
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[275] | 486 | t = string.split(entry,'/') |
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| 487 | if t[0] not in l: |
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| 488 | l.append(t[0]) |
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| 489 | else: |
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| 490 | l += nlist |
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[246] | 491 | |
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[275] | 492 | return l |
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| 493 | |
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[246] | 494 | |
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[72] | 495 | class node(_PBSobject): |
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[275] | 496 | """PBS node class""" |
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| 497 | |
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| 498 | def is_free(self): |
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| 499 | """Check if node is free""" |
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[195] | 500 | |
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[275] | 501 | value = self.return_value('state') |
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| 502 | if value == 'free': |
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| 503 | return self.TRUE |
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| 504 | else: |
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| 505 | return self.FALSE |
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[72] | 506 | |
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[275] | 507 | def has_job(self): |
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| 508 | """Does the node run a job""" |
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| 509 | try: |
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| 510 | a = self['jobs'] |
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| 511 | return self.TRUE |
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| 512 | except KeyError, detail: |
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| 513 | return self.FALSE |
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| 514 | |
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| 515 | def get_jobs(self, unique=None): |
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| 516 | """Returns a list of the currently running job-id('s) on the node""" |
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[240] | 517 | |
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[275] | 518 | jobs = self.get_value('jobs') |
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| 519 | if jobs: |
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| 520 | if isinstance(jobs, str): |
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| 521 | jlist = re.compile('[^\\ /]\\d+[^/.]').findall( jobs ) |
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| 522 | |
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| 523 | if not unique: |
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| 524 | return jlist |
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| 525 | else: |
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| 526 | return self.uniq(jlist) |
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[245] | 527 | |
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[275] | 528 | else: |
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| 529 | job_re = re.compile('^(?:\d+/)?(.+)') |
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| 530 | l = list() |
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[240] | 531 | |
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[275] | 532 | if unique: |
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| 533 | for j in jobs: |
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| 534 | jobstr = job_re.findall(j.strip())[0] |
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| 535 | if jobstr not in l: |
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| 536 | l.append(jobstr) |
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[240] | 537 | |
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[275] | 538 | return l |
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| 539 | else: |
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| 540 | return jobs |
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[245] | 541 | |
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[275] | 542 | return list() |
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[72] | 543 | |
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[166] | 544 | |
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[72] | 545 | class queue(_PBSobject): |
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[275] | 546 | """PBS queue class""" |
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| 547 | def is_enabled(self): |
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[195] | 548 | |
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[275] | 549 | value = self.return_value('enabled') |
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| 550 | if value == 'True': |
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| 551 | return self.TRUE |
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| 552 | else: |
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| 553 | return self.FALSE |
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[72] | 554 | |
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[275] | 555 | def is_execution(self): |
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[195] | 556 | |
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[275] | 557 | value = self.return_value('queue_type') |
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| 558 | if value == 'Execution': |
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| 559 | return self.TRUE |
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| 560 | else: |
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| 561 | return self.FALSE |
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[72] | 562 | |
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| 563 | class server(_PBSobject): |
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[275] | 564 | """PBS server class""" |
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[72] | 565 | |
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[275] | 566 | def get_version(self): |
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| 567 | return self.get_value('pbs_version') |
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[143] | 568 | |
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[72] | 569 | def main(): |
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[275] | 570 | p = PBSQuery() |
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| 571 | serverinfo = p.get_serverinfo() |
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| 572 | for server in serverinfo.keys(): |
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| 573 | print server, ' version: ', serverinfo[server].get_version() |
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| 574 | for resource in serverinfo[server].keys(): |
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| 575 | print '\t ', resource, ' = ', serverinfo[server][resource] |
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[72] | 576 | |
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[275] | 577 | queues = p.getqueues() |
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| 578 | for queue in queues.keys(): |
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| 579 | print queue |
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| 580 | if queues[queue].is_execution(): |
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| 581 | print '\t ', queues[queue] |
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| 582 | if queues[queue].has_key('acl_groups'): |
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| 583 | print '\t acl_groups: yes' |
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| 584 | else: |
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| 585 | print '\t acl_groups: no' |
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[72] | 586 | |
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[275] | 587 | jobs = p.getjobs() |
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| 588 | for name,job in jobs.items(): |
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| 589 | if job.is_running(): |
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| 590 | print job |
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[72] | 591 | |
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[275] | 592 | l = ['state'] |
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| 593 | nodes = p.getnodes(l) |
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| 594 | for name,node in nodes.items(): |
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| 595 | if node.is_free(): |
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| 596 | print node |
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[72] | 597 | |
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| 598 | if __name__ == "__main__": |
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[275] | 599 | main() |
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