[3] | 1 | #!/usr/bin/env python |
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[225] | 2 | # |
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| 3 | # This file is part of Jobmonarch |
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| 4 | # |
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| 5 | # Copyright (C) 2006 Ramon Bastiaans |
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| 6 | # |
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| 7 | # Jobmonarch is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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| 11 | # |
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| 12 | # Jobmonarch is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | # |
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[230] | 21 | # SVN $Id: jobarchived.py 375 2007-06-13 13:54:25Z bastiaans $ |
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| 22 | # |
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[3] | 23 | |
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[284] | 24 | DEFAULT_SEARCH_PATH = '/usr/share/jobarchived' |
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[3] | 25 | |
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[284] | 26 | import sys |
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| 27 | |
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| 28 | if DEFAULT_SEARCH_PATH not in sys.path: |
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| 29 | |
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| 30 | sys.path.append( DEFAULT_SEARCH_PATH ) |
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| 31 | |
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| 32 | import getopt, syslog, ConfigParser |
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| 33 | |
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[214] | 34 | def processArgs( args ): |
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[6] | 35 | |
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[292] | 36 | SHORT_L = 'c:' |
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| 37 | LONG_L = 'config=' |
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[169] | 38 | |
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[214] | 39 | config_filename = None |
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[169] | 40 | |
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[214] | 41 | try: |
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[169] | 42 | |
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[214] | 43 | opts, args = getopt.getopt( args, SHORT_L, LONG_L ) |
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[9] | 44 | |
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[214] | 45 | except getopt.error, detail: |
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[60] | 46 | |
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[214] | 47 | print detail |
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| 48 | sys.exit(1) |
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[9] | 49 | |
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[214] | 50 | for opt, value in opts: |
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[60] | 51 | |
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[214] | 52 | if opt in [ '--config', '-c' ]: |
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[13] | 53 | |
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[214] | 54 | config_filename = value |
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[198] | 55 | |
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[214] | 56 | if not config_filename: |
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[60] | 57 | |
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[214] | 58 | config_filename = '/etc/jobarchived.conf' |
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[22] | 59 | |
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[214] | 60 | try: |
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| 61 | return loadConfig( config_filename ) |
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[13] | 62 | |
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[214] | 63 | except ConfigParser.NoOptionError, detail: |
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| 64 | |
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| 65 | print detail |
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| 66 | sys.exit( 1 ) |
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| 67 | |
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| 68 | def loadConfig( filename ): |
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| 69 | |
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| 70 | def getlist( cfg_string ): |
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| 71 | |
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| 72 | my_list = [ ] |
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| 73 | |
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| 74 | for item_txt in cfg_string.split( ',' ): |
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| 75 | |
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| 76 | sep_char = None |
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| 77 | |
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| 78 | item_txt = item_txt.strip() |
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| 79 | |
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| 80 | for s_char in [ "'", '"' ]: |
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| 81 | |
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| 82 | if item_txt.find( s_char ) != -1: |
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| 83 | |
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| 84 | if item_txt.count( s_char ) != 2: |
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| 85 | |
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| 86 | print 'Missing quote: %s' %item_txt |
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| 87 | sys.exit( 1 ) |
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| 88 | |
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| 89 | else: |
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| 90 | |
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| 91 | sep_char = s_char |
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| 92 | break |
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| 93 | |
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| 94 | if sep_char: |
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| 95 | |
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| 96 | item_txt = item_txt.split( sep_char )[1] |
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| 97 | |
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| 98 | my_list.append( item_txt ) |
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| 99 | |
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| 100 | return my_list |
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| 101 | |
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| 102 | cfg = ConfigParser.ConfigParser() |
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| 103 | |
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| 104 | cfg.read( filename ) |
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| 105 | |
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[375] | 106 | global DEBUG_LEVEL, USE_SYSLOG, SYSLOG_LEVEL, SYSLOG_FACILITY, GMETAD_CONF, ARCHIVE_XMLSOURCE, ARCHIVE_DATASOURCES, ARCHIVE_PATH, ARCHIVE_HOURS_PER_RRD, ARCHIVE_EXCLUDE_METRICS, JOB_SQL_DBASE, DAEMONIZE, RRDTOOL, JOB_TIMEOUT, MODRRDTOOL |
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[214] | 107 | |
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[292] | 108 | ARCHIVE_PATH = cfg.get( 'DEFAULT', 'ARCHIVE_PATH' ) |
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[214] | 109 | |
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[292] | 110 | ARCHIVE_HOURS_PER_RRD = cfg.getint( 'DEFAULT', 'ARCHIVE_HOURS_PER_RRD' ) |
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[214] | 111 | |
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[292] | 112 | DEBUG_LEVEL = cfg.getint( 'DEFAULT', 'DEBUG_LEVEL' ) |
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[214] | 113 | |
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[292] | 114 | USE_SYSLOG = cfg.getboolean( 'DEFAULT', 'USE_SYSLOG' ) |
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[214] | 115 | |
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[292] | 116 | SYSLOG_LEVEL = cfg.getint( 'DEFAULT', 'SYSLOG_LEVEL' ) |
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[214] | 117 | |
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[375] | 118 | MODRRDTOOL = False |
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| 119 | |
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[214] | 120 | try: |
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[375] | 121 | import rrdtool |
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[214] | 122 | |
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[375] | 123 | MODRRDTOOL = True |
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| 124 | |
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| 125 | except ImportError: |
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| 126 | |
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| 127 | MODRRDTOOL = False |
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| 128 | |
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| 129 | debug_msg( 0, "ERROR: py-rrdtool import FAILED: failing back to DEPRECATED use of rrdtool binary. This will slow down jobmond significantly!" ) |
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| 130 | |
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| 131 | try: |
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| 132 | |
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[292] | 133 | SYSLOG_FACILITY = eval( 'syslog.LOG_' + cfg.get( 'DEFAULT', 'SYSLOG_FACILITY' ) ) |
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[214] | 134 | |
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| 135 | except AttributeError, detail: |
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| 136 | |
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| 137 | print 'Unknown syslog facility' |
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| 138 | sys.exit( 1 ) |
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| 139 | |
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[292] | 140 | GMETAD_CONF = cfg.get( 'DEFAULT', 'GMETAD_CONF' ) |
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[214] | 141 | |
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[292] | 142 | ARCHIVE_XMLSOURCE = cfg.get( 'DEFAULT', 'ARCHIVE_XMLSOURCE' ) |
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[214] | 143 | |
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[292] | 144 | ARCHIVE_DATASOURCES = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_DATASOURCES' ) ) |
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[214] | 145 | |
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[292] | 146 | ARCHIVE_EXCLUDE_METRICS = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_EXCLUDE_METRICS' ) ) |
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[214] | 147 | |
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[292] | 148 | JOB_SQL_DBASE = cfg.get( 'DEFAULT', 'JOB_SQL_DBASE' ) |
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[214] | 149 | |
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[295] | 150 | JOB_TIMEOUT = cfg.getint( 'DEFAULT', 'JOB_TIMEOUT' ) |
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| 151 | |
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[292] | 152 | DAEMONIZE = cfg.getboolean( 'DEFAULT', 'DAEMONIZE' ) |
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[214] | 153 | |
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[292] | 154 | RRDTOOL = cfg.get( 'DEFAULT', 'RRDTOOL' ) |
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[224] | 155 | |
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[214] | 156 | return True |
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| 157 | |
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[17] | 158 | # What XML data types not to store |
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[13] | 159 | # |
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[17] | 160 | UNSUPPORTED_ARCHIVE_TYPES = [ 'string' ] |
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[9] | 161 | |
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[47] | 162 | # Maximum time (in seconds) a parsethread may run |
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| 163 | # |
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| 164 | PARSE_TIMEOUT = 60 |
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| 165 | |
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| 166 | # Maximum time (in seconds) a storethread may run |
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| 167 | # |
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| 168 | STORE_TIMEOUT = 360 |
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| 169 | |
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[8] | 170 | """ |
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[224] | 171 | The Job Archiving Daemon |
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[8] | 172 | """ |
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| 173 | |
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[214] | 174 | from types import * |
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| 175 | |
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| 176 | import DBClass |
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| 177 | import xml.sax, xml.sax.handler, socket, string, os, os.path, time, thread, threading, random, re |
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[365] | 178 | import rrdtool |
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[214] | 179 | |
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[84] | 180 | class DataSQLStore: |
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| 181 | |
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| 182 | db_vars = None |
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| 183 | dbc = None |
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| 184 | |
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| 185 | def __init__( self, hostname, database ): |
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| 186 | |
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| 187 | self.db_vars = DBClass.InitVars(DataBaseName=database, |
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| 188 | User='root', |
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| 189 | Host=hostname, |
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| 190 | Password='', |
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| 191 | Dictionary='true') |
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| 192 | |
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| 193 | try: |
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| 194 | self.dbc = DBClass.DB(self.db_vars) |
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| 195 | except DBClass.DBError, details: |
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[169] | 196 | debug_msg( 0, 'FATAL ERROR: Unable to connect to database!: ' +str(details) ) |
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[84] | 197 | sys.exit(1) |
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| 198 | |
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| 199 | def setDatabase(self, statement): |
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| 200 | ret = self.doDatabase('set', statement) |
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| 201 | return ret |
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| 202 | |
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| 203 | def getDatabase(self, statement): |
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| 204 | ret = self.doDatabase('get', statement) |
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| 205 | return ret |
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| 206 | |
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| 207 | def doDatabase(self, type, statement): |
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| 208 | |
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[365] | 209 | debug_msg( 10, 'doDatabase(): %s: %s' %(type, statement) ) |
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[84] | 210 | try: |
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| 211 | if type == 'set': |
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| 212 | result = self.dbc.Set( statement ) |
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| 213 | self.dbc.Commit() |
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| 214 | elif type == 'get': |
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| 215 | result = self.dbc.Get( statement ) |
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| 216 | |
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| 217 | except DBClass.DBError, detail: |
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| 218 | operation = statement.split(' ')[0] |
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[169] | 219 | debug_msg( 0, 'FATAL ERROR: ' +operation+ ' on database failed while doing ['+statement+'] full msg: '+str(detail) ) |
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[84] | 220 | sys.exit(1) |
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| 221 | |
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[365] | 222 | debug_msg( 10, 'doDatabase(): result: %s' %(result) ) |
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[84] | 223 | return result |
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| 224 | |
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[191] | 225 | def getJobNodeId( self, job_id, node_id ): |
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| 226 | |
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| 227 | id = self.getDatabase( "SELECT job_id,node_id FROM job_nodes WHERE job_id = '%s' AND node_id = '%s'" %(job_id, node_id) ) |
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| 228 | if len( id ) > 0: |
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| 229 | |
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| 230 | if len( id[0] ) > 0 and id[0] != '': |
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| 231 | |
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| 232 | return 1 |
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| 233 | |
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| 234 | return 0 |
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| 235 | |
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[84] | 236 | def getNodeId( self, hostname ): |
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| 237 | |
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[89] | 238 | id = self.getDatabase( "SELECT node_id FROM nodes WHERE node_hostname = '%s'" %hostname ) |
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[84] | 239 | |
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[89] | 240 | if len( id ) > 0: |
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[84] | 241 | |
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[89] | 242 | id = id[0][0] |
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| 243 | |
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[84] | 244 | return id |
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| 245 | else: |
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| 246 | return None |
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| 247 | |
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| 248 | def getNodeIds( self, hostnames ): |
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| 249 | |
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| 250 | ids = [ ] |
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| 251 | |
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| 252 | for node in hostnames: |
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| 253 | |
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| 254 | id = self.getNodeId( node ) |
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| 255 | |
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| 256 | if id: |
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| 257 | ids.append( id ) |
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| 258 | |
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| 259 | return ids |
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| 260 | |
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| 261 | def getJobId( self, jobid ): |
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| 262 | |
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| 263 | id = self.getDatabase( "SELECT job_id FROM jobs WHERE job_id = '%s'" %jobid ) |
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| 264 | |
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| 265 | if id: |
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[89] | 266 | id = id[0][0] |
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[84] | 267 | |
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| 268 | return id |
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| 269 | else: |
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| 270 | return None |
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| 271 | |
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| 272 | def addJob( self, job_id, jobattrs ): |
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| 273 | |
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| 274 | if not self.getJobId( job_id ): |
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| 275 | |
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| 276 | self.mutateJob( 'insert', job_id, jobattrs ) |
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| 277 | else: |
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| 278 | self.mutateJob( 'update', job_id, jobattrs ) |
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| 279 | |
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| 280 | def mutateJob( self, action, job_id, jobattrs ): |
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| 281 | |
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[292] | 282 | job_values = [ 'name', 'queue', 'owner', 'requested_time', 'requested_memory', 'ppn', 'status', 'start_timestamp', 'stop_timestamp' ] |
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[84] | 283 | |
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[292] | 284 | insert_col_str = 'job_id' |
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| 285 | insert_val_str = "'%s'" %job_id |
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| 286 | update_str = None |
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[84] | 287 | |
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[365] | 288 | debug_msg( 10, 'mutateJob(): %s %s' %(action,job_id)) |
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[84] | 289 | |
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[99] | 290 | ids = [ ] |
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| 291 | |
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[84] | 292 | for valname, value in jobattrs.items(): |
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| 293 | |
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[96] | 294 | if valname in job_values and value != '': |
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[84] | 295 | |
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| 296 | column_name = 'job_' + valname |
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| 297 | |
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| 298 | if action == 'insert': |
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| 299 | |
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| 300 | if not insert_col_str: |
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| 301 | insert_col_str = column_name |
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| 302 | else: |
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| 303 | insert_col_str = insert_col_str + ',' + column_name |
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| 304 | |
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| 305 | if not insert_val_str: |
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| 306 | insert_val_str = value |
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| 307 | else: |
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| 308 | insert_val_str = insert_val_str + ",'%s'" %value |
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| 309 | |
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| 310 | elif action == 'update': |
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| 311 | |
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| 312 | if not update_str: |
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| 313 | update_str = "%s='%s'" %(column_name, value) |
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| 314 | else: |
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| 315 | update_str = update_str + ",%s='%s'" %(column_name, value) |
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| 316 | |
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[90] | 317 | elif valname == 'nodes' and value: |
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[84] | 318 | |
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[191] | 319 | node_valid = 1 |
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[190] | 320 | |
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| 321 | if len(value) == 1: |
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| 322 | |
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[191] | 323 | if jobattrs['status'] == 'Q': |
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[190] | 324 | |
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[191] | 325 | node_valid = 0 |
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[190] | 326 | |
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[191] | 327 | else: |
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[190] | 328 | |
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[191] | 329 | node_valid = 0 |
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[190] | 330 | |
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[191] | 331 | for node_char in str(value[0]): |
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[190] | 332 | |
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[191] | 333 | if string.find( string.digits, node_char ) != -1 and not node_valid: |
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[190] | 334 | |
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[191] | 335 | node_valid = 1 |
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[84] | 336 | |
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[191] | 337 | if node_valid: |
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| 338 | |
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| 339 | ids = self.addNodes( value, jobattrs['domain'] ) |
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| 340 | |
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[84] | 341 | if action == 'insert': |
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| 342 | |
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| 343 | self.setDatabase( "INSERT INTO jobs ( %s ) VALUES ( %s )" %( insert_col_str, insert_val_str ) ) |
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[86] | 344 | |
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[84] | 345 | elif action == 'update': |
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| 346 | |
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[89] | 347 | self.setDatabase( "UPDATE jobs SET %s WHERE job_id=%s" %(update_str, job_id) ) |
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[84] | 348 | |
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[191] | 349 | if len( ids ) > 0: |
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| 350 | self.addJobNodes( job_id, ids ) |
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[190] | 351 | |
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[154] | 352 | def addNodes( self, hostnames, domain ): |
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[84] | 353 | |
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[98] | 354 | ids = [ ] |
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| 355 | |
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[84] | 356 | for node in hostnames: |
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| 357 | |
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[292] | 358 | node = '%s.%s' %( node, domain ) |
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| 359 | id = self.getNodeId( node ) |
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[84] | 360 | |
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| 361 | if not id: |
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| 362 | self.setDatabase( "INSERT INTO nodes ( node_hostname ) VALUES ( '%s' )" %node ) |
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[98] | 363 | id = self.getNodeId( node ) |
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[84] | 364 | |
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[98] | 365 | ids.append( id ) |
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| 366 | |
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| 367 | return ids |
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| 368 | |
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[86] | 369 | def addJobNodes( self, jobid, nodes ): |
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| 370 | |
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| 371 | for node in nodes: |
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| 372 | |
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[191] | 373 | if not self.getJobNodeId( jobid, node ): |
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| 374 | |
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| 375 | self.addJobNode( jobid, node ) |
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| 376 | |
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[84] | 377 | def addJobNode( self, jobid, nodeid ): |
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| 378 | |
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| 379 | self.setDatabase( "INSERT INTO job_nodes (job_id,node_id) VALUES ( %s,%s )" %(jobid, nodeid) ) |
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| 380 | |
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| 381 | def storeJobInfo( self, jobid, jobattrs ): |
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| 382 | |
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| 383 | self.addJob( jobid, jobattrs ) |
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| 384 | |
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[295] | 385 | def checkStaleJobs( self ): |
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| 386 | |
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| 387 | q = "SELECT * from jobs WHERE job_status != 'F'" |
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| 388 | |
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| 389 | r = self.getDatabase( q ) |
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| 390 | |
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| 391 | if len( r ) == 0: |
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| 392 | |
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| 393 | return None |
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| 394 | |
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| 395 | cleanjobs = [ ] |
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| 396 | timeoutjobs = [ ] |
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| 397 | |
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| 398 | jobtimeout_sec = JOB_TIMEOUT * (60 * 60) |
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| 399 | cur_time = time.time() |
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| 400 | |
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| 401 | for row in r: |
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| 402 | |
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| 403 | job_id = row[0] |
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| 404 | job_requested_time = row[4] |
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| 405 | job_status = row[7] |
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| 406 | job_start_timestamp = row[8] |
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| 407 | |
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| 408 | if job_status == 'Q' or not job_start_timestamp: |
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| 409 | |
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| 410 | cleanjobs.append( job_id ) |
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| 411 | |
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| 412 | else: |
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| 413 | |
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| 414 | start_timestamp = int( job_start_timestamp ) |
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| 415 | |
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| 416 | if ( cur_time - start_timestamp ) > jobtimeout_sec: |
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| 417 | |
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| 418 | if job_requested_time: |
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| 419 | |
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| 420 | rtime_epoch = reqtime2epoch( job_requested_time ) |
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| 421 | else: |
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| 422 | rtime_epoch = None |
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| 423 | |
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| 424 | timeoutjobs.append( (job_id, job_start_timestamp, rtime_epoch) ) |
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| 425 | |
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| 426 | debug_msg( 1, 'Found ' + str( len( cleanjobs ) ) + ' stale jobs in database: deleting entries' ) |
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| 427 | |
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| 428 | for j in cleanjobs: |
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| 429 | |
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| 430 | q = "DELETE FROM jobs WHERE job_id = '" + str( j ) + "'" |
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| 431 | self.setDatabase( q ) |
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| 432 | |
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| 433 | debug_msg( 1, 'Found ' + str( len( timeoutjobs ) ) + ' timed out jobs in database: closing entries' ) |
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| 434 | |
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| 435 | for j in timeoutjobs: |
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| 436 | |
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| 437 | ( i, s, r ) = j |
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| 438 | |
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| 439 | if r: |
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| 440 | new_end_timestamp = int( s ) + r |
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| 441 | |
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| 442 | q = "UPDATE jobs SET job_stop_timestamp = '" + str( new_end_timestamp ) + "' WHERE job_id = '" + str(i) + "'" |
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| 443 | self.setDatabase( q ) |
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| 444 | |
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[37] | 445 | class RRDMutator: |
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[63] | 446 | """A class for performing RRD mutations""" |
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[37] | 447 | |
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[277] | 448 | binary = None |
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[37] | 449 | |
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[365] | 450 | |
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[37] | 451 | def __init__( self, binary=None ): |
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[63] | 452 | """Set alternate binary if supplied""" |
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[37] | 453 | |
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| 454 | if binary: |
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| 455 | self.binary = binary |
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| 456 | |
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| 457 | def create( self, filename, args ): |
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[63] | 458 | """Create a new rrd with args""" |
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| 459 | |
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[375] | 460 | global MODRRDTOOL |
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[37] | 461 | |
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[375] | 462 | if MODRRDTOOL: |
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| 463 | return self.perform( 'create', filename, args ) |
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| 464 | else: |
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| 465 | return self.perform( 'create', '"' + filename + '"', args ) |
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| 466 | |
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[37] | 467 | def update( self, filename, args ): |
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[63] | 468 | """Update a rrd with args""" |
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| 469 | |
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[375] | 470 | global MODRRDTOOL |
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[37] | 471 | |
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[375] | 472 | if MODRRDTOOL: |
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| 473 | return self.perform( 'update', filename, args ) |
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| 474 | else: |
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| 475 | return self.perform( 'update', '"' + filename + '"', args ) |
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| 476 | |
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[42] | 477 | def grabLastUpdate( self, filename ): |
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[63] | 478 | """Determine the last update time of filename rrd""" |
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[42] | 479 | |
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[375] | 480 | global MODRRDTOOL |
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| 481 | |
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[42] | 482 | last_update = 0 |
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| 483 | |
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[375] | 484 | if MODRRDTOOL: |
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[53] | 485 | |
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[375] | 486 | debug_msg( 8, 'rrdtool.info( ' + filename + ' )' ) |
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[42] | 487 | |
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[375] | 488 | rrd_header = { } |
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[292] | 489 | |
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[375] | 490 | try: |
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| 491 | rrd_header = rrdtool.info( filename ) |
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| 492 | except rrdtool.error, msg: |
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| 493 | debug_msg( 8, str( msg ) ) |
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| 494 | |
---|
| 495 | if rrd_header.has_key( 'last_update' ): |
---|
| 496 | return last_update |
---|
| 497 | else: |
---|
| 498 | return 0 |
---|
| 499 | |
---|
[42] | 500 | else: |
---|
[375] | 501 | debug_msg( 8, self.binary + ' info ' + filename ) |
---|
[42] | 502 | |
---|
[375] | 503 | my_pipe = os.popen( self.binary + ' info "' + filename + '"' ) |
---|
| 504 | |
---|
| 505 | for line in my_pipe.readlines(): |
---|
| 506 | |
---|
| 507 | if line.find( 'last_update') != -1: |
---|
| 508 | |
---|
| 509 | last_update = line.split( ' = ' )[1] |
---|
| 510 | |
---|
| 511 | if my_pipe: |
---|
| 512 | |
---|
| 513 | my_pipe.close() |
---|
| 514 | |
---|
| 515 | if last_update: |
---|
| 516 | return last_update |
---|
| 517 | else: |
---|
| 518 | return 0 |
---|
| 519 | |
---|
| 520 | |
---|
[40] | 521 | def perform( self, action, filename, args ): |
---|
[63] | 522 | """Perform action on rrd filename with args""" |
---|
[37] | 523 | |
---|
[375] | 524 | global MODRRDTOOL |
---|
| 525 | |
---|
[37] | 526 | arg_string = None |
---|
| 527 | |
---|
[40] | 528 | if type( args ) is not ListType: |
---|
| 529 | debug_msg( 8, 'Arguments needs to be of type List' ) |
---|
| 530 | return 1 |
---|
| 531 | |
---|
[37] | 532 | for arg in args: |
---|
| 533 | |
---|
| 534 | if not arg_string: |
---|
| 535 | |
---|
| 536 | arg_string = arg |
---|
| 537 | else: |
---|
| 538 | arg_string = arg_string + ' ' + arg |
---|
| 539 | |
---|
[375] | 540 | if MODRRDTOOL: |
---|
[37] | 541 | |
---|
[375] | 542 | debug_msg( 8, 'rrdtool.' + action + "( " + filename + ' ' + arg_string + ")" ) |
---|
[292] | 543 | |
---|
[375] | 544 | try: |
---|
| 545 | debug_msg( 8, "filename '" + str(filename) + "' type "+ str(type(filename)) + " args " + str( args ) ) |
---|
[37] | 546 | |
---|
[375] | 547 | if action == 'create': |
---|
[146] | 548 | |
---|
[375] | 549 | rrdtool.create( str( filename ), *args ) |
---|
[37] | 550 | |
---|
[375] | 551 | elif action == 'update': |
---|
[37] | 552 | |
---|
[375] | 553 | rrdtool.update( str( filename ), *args ) |
---|
[365] | 554 | |
---|
[375] | 555 | except rrdtool.error, msg: |
---|
[365] | 556 | |
---|
[375] | 557 | error_msg = str( msg ) |
---|
| 558 | debug_msg( 8, error_msg ) |
---|
| 559 | return 1 |
---|
| 560 | |
---|
| 561 | else: |
---|
| 562 | |
---|
| 563 | debug_msg( 8, self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
| 564 | |
---|
| 565 | cmd = os.popen( self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
| 566 | lines = cmd.readlines() |
---|
| 567 | |
---|
| 568 | cmd.close() |
---|
| 569 | |
---|
| 570 | for line in lines: |
---|
| 571 | |
---|
| 572 | if line.find( 'ERROR' ) != -1: |
---|
| 573 | |
---|
| 574 | error_msg = string.join( line.split( ' ' )[1:] ) |
---|
| 575 | debug_msg( 8, error_msg ) |
---|
| 576 | return 1 |
---|
| 577 | |
---|
[37] | 578 | return 0 |
---|
| 579 | |
---|
[78] | 580 | class XMLProcessor: |
---|
| 581 | """Skeleton class for XML processor's""" |
---|
| 582 | |
---|
| 583 | def run( self ): |
---|
| 584 | """Do main processing of XML here""" |
---|
| 585 | |
---|
| 586 | pass |
---|
| 587 | |
---|
| 588 | class TorqueXMLProcessor( XMLProcessor ): |
---|
| 589 | """Main class for processing XML and acting with it""" |
---|
| 590 | |
---|
[295] | 591 | def __init__( self, XMLSource, DataStore ): |
---|
[78] | 592 | """Setup initial XML connection and handlers""" |
---|
| 593 | |
---|
[293] | 594 | #self.myXMLGatherer = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] ) |
---|
[287] | 595 | #self.myXMLSource = self.myXMLGatherer.getFileObject() |
---|
| 596 | self.myXMLSource = XMLSource |
---|
[295] | 597 | self.myXMLHandler = TorqueXMLHandler( DataStore ) |
---|
[287] | 598 | self.myXMLError = XMLErrorHandler() |
---|
[78] | 599 | |
---|
[287] | 600 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
| 601 | |
---|
[78] | 602 | def run( self ): |
---|
| 603 | """Main XML processing""" |
---|
| 604 | |
---|
[169] | 605 | debug_msg( 1, 'torque_xml_thread(): started.' ) |
---|
[87] | 606 | |
---|
[78] | 607 | while( 1 ): |
---|
| 608 | |
---|
[287] | 609 | #self.myXMLSource = self.mXMLGatherer.getFileObject() |
---|
[169] | 610 | debug_msg( 1, 'torque_xml_thread(): Parsing..' ) |
---|
[176] | 611 | |
---|
[287] | 612 | my_data = self.myXMLSource.getData() |
---|
| 613 | |
---|
[176] | 614 | try: |
---|
[287] | 615 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
[176] | 616 | except socket.error, msg: |
---|
| 617 | debug_msg( 0, 'ERROR: Socket error in connect to datasource!: %s' %msg ) |
---|
| 618 | |
---|
[169] | 619 | debug_msg( 1, 'torque_xml_thread(): Done parsing.' ) |
---|
| 620 | debug_msg( 1, 'torque_xml_thread(): Sleeping.. (%ss)' %(str( self.config.getLowestInterval() ) ) ) |
---|
[87] | 621 | time.sleep( self.config.getLowestInterval() ) |
---|
[78] | 622 | |
---|
[71] | 623 | class TorqueXMLHandler( xml.sax.handler.ContentHandler ): |
---|
[63] | 624 | """Parse Torque's jobinfo XML from our plugin""" |
---|
| 625 | |
---|
[72] | 626 | jobAttrs = { } |
---|
| 627 | |
---|
[295] | 628 | def __init__( self, datastore ): |
---|
[84] | 629 | |
---|
[295] | 630 | #self.ds = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] ) |
---|
| 631 | self.ds = datastore |
---|
[292] | 632 | self.jobs_processed = [ ] |
---|
| 633 | self.jobs_to_store = [ ] |
---|
[84] | 634 | |
---|
[183] | 635 | def startDocument( self ): |
---|
| 636 | |
---|
[292] | 637 | self.heartbeat = 0 |
---|
[365] | 638 | self.elementct = 0 |
---|
[183] | 639 | |
---|
[63] | 640 | def startElement( self, name, attrs ): |
---|
| 641 | """ |
---|
| 642 | This XML will be all gmetric XML |
---|
| 643 | so there will be no specific start/end element |
---|
| 644 | just one XML statement with all info |
---|
| 645 | """ |
---|
| 646 | |
---|
[73] | 647 | jobinfo = { } |
---|
[63] | 648 | |
---|
[365] | 649 | self.elementct += 1 |
---|
| 650 | |
---|
[199] | 651 | if name == 'CLUSTER': |
---|
[63] | 652 | |
---|
[372] | 653 | self.clustername = str( attrs.get( 'NAME', "" ) ) |
---|
[199] | 654 | |
---|
| 655 | elif name == 'METRIC' and self.clustername in ARCHIVE_DATASOURCES: |
---|
| 656 | |
---|
[372] | 657 | metricname = str( attrs.get( 'NAME', "" ) ) |
---|
[63] | 658 | |
---|
[285] | 659 | if metricname == 'MONARCH-HEARTBEAT': |
---|
[372] | 660 | self.heartbeat = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 661 | |
---|
[285] | 662 | elif metricname.find( 'MONARCH-JOB' ) != -1: |
---|
[63] | 663 | |
---|
[292] | 664 | job_id = metricname.split( 'MONARCH-JOB-' )[1].split( '-' )[0] |
---|
[372] | 665 | val = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 666 | |
---|
[96] | 667 | if not job_id in self.jobs_processed: |
---|
[292] | 668 | |
---|
[96] | 669 | self.jobs_processed.append( job_id ) |
---|
| 670 | |
---|
[73] | 671 | check_change = 0 |
---|
| 672 | |
---|
| 673 | if self.jobAttrs.has_key( job_id ): |
---|
[292] | 674 | |
---|
[73] | 675 | check_change = 1 |
---|
| 676 | |
---|
[63] | 677 | valinfo = val.split( ' ' ) |
---|
| 678 | |
---|
| 679 | for myval in valinfo: |
---|
| 680 | |
---|
[84] | 681 | if len( myval.split( '=' ) ) > 1: |
---|
[63] | 682 | |
---|
[292] | 683 | valname = myval.split( '=' )[0] |
---|
| 684 | value = myval.split( '=' )[1] |
---|
[70] | 685 | |
---|
[84] | 686 | if valname == 'nodes': |
---|
| 687 | value = value.split( ';' ) |
---|
[72] | 688 | |
---|
[84] | 689 | jobinfo[ valname ] = value |
---|
| 690 | |
---|
[73] | 691 | if check_change: |
---|
[182] | 692 | if self.jobinfoChanged( self.jobAttrs, job_id, jobinfo ) and self.jobAttrs[ job_id ]['status'] in [ 'R', 'Q' ]: |
---|
[292] | 693 | self.jobAttrs[ job_id ]['stop_timestamp'] = '' |
---|
| 694 | self.jobAttrs[ job_id ] = self.setJobAttrs( self.jobAttrs[ job_id ], jobinfo ) |
---|
[84] | 695 | if not job_id in self.jobs_to_store: |
---|
| 696 | self.jobs_to_store.append( job_id ) |
---|
| 697 | |
---|
[365] | 698 | debug_msg( 10, 'jobinfo for job %s has changed' %job_id ) |
---|
[73] | 699 | else: |
---|
| 700 | self.jobAttrs[ job_id ] = jobinfo |
---|
[84] | 701 | |
---|
| 702 | if not job_id in self.jobs_to_store: |
---|
| 703 | self.jobs_to_store.append( job_id ) |
---|
| 704 | |
---|
[365] | 705 | debug_msg( 10, 'jobinfo for job %s has changed' %job_id ) |
---|
[73] | 706 | |
---|
[77] | 707 | def endDocument( self ): |
---|
[74] | 708 | """When all metrics have gone, check if any jobs have finished""" |
---|
[72] | 709 | |
---|
[371] | 710 | debug_msg( 1, "XML: Processed "+str(self.elementct)+ " elements - found "+str(len(self.jobs_to_store))+" (updated) jobs" ) |
---|
[365] | 711 | |
---|
[182] | 712 | if self.heartbeat: |
---|
| 713 | for jobid, jobinfo in self.jobAttrs.items(): |
---|
[74] | 714 | |
---|
[182] | 715 | # This is an old job, not in current jobinfo list anymore |
---|
| 716 | # it must have finished, since we _did_ get a new heartbeat |
---|
| 717 | # |
---|
| 718 | mytime = int( jobinfo['reported'] ) + int( jobinfo['poll_interval'] ) |
---|
[102] | 719 | |
---|
[184] | 720 | if (mytime < self.heartbeat) and (jobid not in self.jobs_processed) and (jobinfo['status'] == 'R'): |
---|
[74] | 721 | |
---|
[182] | 722 | if not jobid in self.jobs_processed: |
---|
| 723 | self.jobs_processed.append( jobid ) |
---|
[96] | 724 | |
---|
[182] | 725 | self.jobAttrs[ jobid ]['status'] = 'F' |
---|
[360] | 726 | self.jobAttrs[ jobid ]['stop_timestamp'] = str( self.heartbeat ) |
---|
[96] | 727 | |
---|
[182] | 728 | if not jobid in self.jobs_to_store: |
---|
| 729 | self.jobs_to_store.append( jobid ) |
---|
[74] | 730 | |
---|
[182] | 731 | debug_msg( 1, 'torque_xml_thread(): Storing..' ) |
---|
[87] | 732 | |
---|
[182] | 733 | for jobid in self.jobs_to_store: |
---|
[295] | 734 | if self.jobAttrs[ jobid ]['status'] in [ 'R', 'F' ]: |
---|
[84] | 735 | |
---|
[184] | 736 | self.ds.storeJobInfo( jobid, self.jobAttrs[ jobid ] ) |
---|
| 737 | |
---|
| 738 | if self.jobAttrs[ jobid ]['status'] == 'F': |
---|
| 739 | del self.jobAttrs[ jobid ] |
---|
| 740 | |
---|
[182] | 741 | debug_msg( 1, 'torque_xml_thread(): Done storing.' ) |
---|
[87] | 742 | |
---|
[292] | 743 | self.jobs_processed = [ ] |
---|
| 744 | self.jobs_to_store = [ ] |
---|
[84] | 745 | |
---|
[82] | 746 | def setJobAttrs( self, old, new ): |
---|
| 747 | """ |
---|
| 748 | Set new job attributes in old, but not lose existing fields |
---|
| 749 | if old attributes doesn't have those |
---|
| 750 | """ |
---|
| 751 | |
---|
| 752 | for valname, value in new.items(): |
---|
| 753 | old[ valname ] = value |
---|
| 754 | |
---|
| 755 | return old |
---|
| 756 | |
---|
| 757 | |
---|
[73] | 758 | def jobinfoChanged( self, jobattrs, jobid, jobinfo ): |
---|
[74] | 759 | """ |
---|
| 760 | Check if jobinfo has changed from jobattrs[jobid] |
---|
| 761 | if it's report time is bigger than previous one |
---|
| 762 | and it is report time is recent (equal to heartbeat) |
---|
| 763 | """ |
---|
[72] | 764 | |
---|
[87] | 765 | ignore_changes = [ 'reported' ] |
---|
| 766 | |
---|
[73] | 767 | if jobattrs.has_key( jobid ): |
---|
| 768 | |
---|
| 769 | for valname, value in jobinfo.items(): |
---|
| 770 | |
---|
[87] | 771 | if valname not in ignore_changes: |
---|
[73] | 772 | |
---|
[87] | 773 | if jobattrs[ jobid ].has_key( valname ): |
---|
[73] | 774 | |
---|
[87] | 775 | if value != jobattrs[ jobid ][ valname ]: |
---|
[73] | 776 | |
---|
[87] | 777 | if jobinfo['reported'] > jobattrs[ jobid ][ 'reported' ] and jobinfo['reported'] == self.heartbeat: |
---|
[360] | 778 | return True |
---|
[73] | 779 | |
---|
[87] | 780 | else: |
---|
[360] | 781 | return True |
---|
[87] | 782 | |
---|
[360] | 783 | return False |
---|
[73] | 784 | |
---|
[71] | 785 | class GangliaXMLHandler( xml.sax.handler.ContentHandler ): |
---|
[63] | 786 | """Parse Ganglia's XML""" |
---|
[3] | 787 | |
---|
[295] | 788 | def __init__( self, config, datastore ): |
---|
[63] | 789 | """Setup initial variables and gather info on existing rrd archive""" |
---|
| 790 | |
---|
[292] | 791 | self.config = config |
---|
| 792 | self.clusters = { } |
---|
[295] | 793 | self.ds = datastore |
---|
[324] | 794 | |
---|
[295] | 795 | debug_msg( 1, 'Checking database..' ) |
---|
[365] | 796 | |
---|
| 797 | global DEBUG_LEVEL |
---|
| 798 | |
---|
| 799 | if DEBUG_LEVEL <= 2: |
---|
| 800 | self.ds.checkStaleJobs() |
---|
| 801 | |
---|
[295] | 802 | debug_msg( 1, 'Check done.' ) |
---|
[296] | 803 | debug_msg( 1, 'Checking rrd archive..' ) |
---|
[293] | 804 | self.gatherClusters() |
---|
[169] | 805 | debug_msg( 1, 'Check done.' ) |
---|
[33] | 806 | |
---|
[44] | 807 | def gatherClusters( self ): |
---|
[63] | 808 | """Find all existing clusters in archive dir""" |
---|
[44] | 809 | |
---|
[292] | 810 | archive_dir = check_dir(ARCHIVE_PATH) |
---|
[44] | 811 | |
---|
[292] | 812 | hosts = [ ] |
---|
[44] | 813 | |
---|
| 814 | if os.path.exists( archive_dir ): |
---|
| 815 | |
---|
[292] | 816 | dirlist = os.listdir( archive_dir ) |
---|
[44] | 817 | |
---|
[369] | 818 | for cfgcluster in ARCHIVE_DATASOURCES: |
---|
| 819 | |
---|
| 820 | if cfgcluster not in dirlist: |
---|
| 821 | |
---|
| 822 | # Autocreate a directory for this cluster |
---|
| 823 | # assume it is new |
---|
| 824 | # |
---|
| 825 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), cfgcluster ) |
---|
| 826 | |
---|
| 827 | os.mkdir( cluster_dir ) |
---|
| 828 | |
---|
[370] | 829 | dirlist.append( cfgcluster ) |
---|
| 830 | |
---|
[44] | 831 | for item in dirlist: |
---|
| 832 | |
---|
| 833 | clustername = item |
---|
| 834 | |
---|
[60] | 835 | if not self.clusters.has_key( clustername ) and clustername in ARCHIVE_DATASOURCES: |
---|
[44] | 836 | |
---|
| 837 | self.clusters[ clustername ] = RRDHandler( self.config, clustername ) |
---|
| 838 | |
---|
[365] | 839 | debug_msg( 9, "Found "+str(len(self.clusters.keys()))+" clusters" ) |
---|
| 840 | |
---|
[6] | 841 | def startElement( self, name, attrs ): |
---|
[63] | 842 | """Memorize appropriate data from xml start tags""" |
---|
[3] | 843 | |
---|
[7] | 844 | if name == 'GANGLIA_XML': |
---|
[32] | 845 | |
---|
[372] | 846 | self.XMLSource = str( attrs.get( 'SOURCE', "" ) ) |
---|
| 847 | self.gangliaVersion = str( attrs.get( 'VERSION', "" ) ) |
---|
[32] | 848 | |
---|
[12] | 849 | debug_msg( 10, 'Found XML data: source %s version %s' %( self.XMLSource, self.gangliaVersion ) ) |
---|
[6] | 850 | |
---|
[7] | 851 | elif name == 'GRID': |
---|
[32] | 852 | |
---|
[372] | 853 | self.gridName = str( attrs.get( 'NAME', "" ) ) |
---|
| 854 | self.time = str( attrs.get( 'LOCALTIME', "" ) ) |
---|
[32] | 855 | |
---|
[12] | 856 | debug_msg( 10, '`-Grid found: %s' %( self.gridName ) ) |
---|
[6] | 857 | |
---|
[7] | 858 | elif name == 'CLUSTER': |
---|
[32] | 859 | |
---|
[372] | 860 | self.clusterName = str( attrs.get( 'NAME', "" ) ) |
---|
| 861 | self.time = str( attrs.get( 'LOCALTIME', "" ) ) |
---|
[32] | 862 | |
---|
[60] | 863 | if not self.clusters.has_key( self.clusterName ) and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[32] | 864 | |
---|
[34] | 865 | self.clusters[ self.clusterName ] = RRDHandler( self.config, self.clusterName ) |
---|
[33] | 866 | |
---|
[35] | 867 | debug_msg( 10, ' |-Cluster found: %s' %( self.clusterName ) ) |
---|
[6] | 868 | |
---|
[60] | 869 | elif name == 'HOST' and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[32] | 870 | |
---|
[372] | 871 | self.hostName = str( attrs.get( 'NAME', "" ) ) |
---|
| 872 | self.hostIp = str( attrs.get( 'IP', "" ) ) |
---|
| 873 | self.hostReported = str( attrs.get( 'REPORTED', "" ) ) |
---|
[32] | 874 | |
---|
[12] | 875 | debug_msg( 10, ' | |-Host found: %s - ip %s reported %s' %( self.hostName, self.hostIp, self.hostReported ) ) |
---|
[6] | 876 | |
---|
[60] | 877 | elif name == 'METRIC' and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[6] | 878 | |
---|
[372] | 879 | type = str( attrs.get( 'TYPE', "" ) ) |
---|
[198] | 880 | |
---|
| 881 | exclude_metric = False |
---|
| 882 | |
---|
| 883 | for ex_metricstr in ARCHIVE_EXCLUDE_METRICS: |
---|
[6] | 884 | |
---|
[372] | 885 | orig_name = str( attrs.get( 'NAME', "" ) ) |
---|
[3] | 886 | |
---|
[198] | 887 | if string.lower( orig_name ) == string.lower( ex_metricstr ): |
---|
| 888 | |
---|
| 889 | exclude_metric = True |
---|
| 890 | |
---|
| 891 | elif re.match( ex_metricstr, orig_name ): |
---|
| 892 | |
---|
| 893 | exclude_metric = True |
---|
| 894 | |
---|
| 895 | if type not in UNSUPPORTED_ARCHIVE_TYPES and not exclude_metric: |
---|
| 896 | |
---|
[292] | 897 | myMetric = { } |
---|
[372] | 898 | myMetric['name'] = str( attrs.get( 'NAME', "" ) ) |
---|
| 899 | myMetric['val'] = str( attrs.get( 'VAL', "" ) ) |
---|
[292] | 900 | myMetric['time'] = self.hostReported |
---|
[3] | 901 | |
---|
[34] | 902 | self.clusters[ self.clusterName ].memMetric( self.hostName, myMetric ) |
---|
[3] | 903 | |
---|
[34] | 904 | debug_msg( 11, ' | | |-metric: %s:%s' %( myMetric['name'], myMetric['val'] ) ) |
---|
[6] | 905 | |
---|
[34] | 906 | def storeMetrics( self ): |
---|
[63] | 907 | """Store metrics of each cluster rrd handler""" |
---|
[9] | 908 | |
---|
[34] | 909 | for clustername, rrdh in self.clusters.items(): |
---|
[16] | 910 | |
---|
[38] | 911 | ret = rrdh.storeMetrics() |
---|
[9] | 912 | |
---|
[38] | 913 | if ret: |
---|
| 914 | debug_msg( 9, 'An error occured while storing metrics for cluster %s' %clustername ) |
---|
| 915 | return 1 |
---|
| 916 | |
---|
| 917 | return 0 |
---|
| 918 | |
---|
[71] | 919 | class XMLErrorHandler( xml.sax.handler.ErrorHandler ): |
---|
| 920 | |
---|
| 921 | def error( self, exception ): |
---|
| 922 | """Recoverable error""" |
---|
| 923 | |
---|
[169] | 924 | debug_msg( 0, 'Recoverable XML error ' + str( exception ) + ' ignored.' ) |
---|
[71] | 925 | |
---|
| 926 | def fatalError( self, exception ): |
---|
| 927 | """Non-recoverable error""" |
---|
| 928 | |
---|
| 929 | exception_str = str( exception ) |
---|
| 930 | |
---|
| 931 | # Ignore 'no element found' errors |
---|
| 932 | if exception_str.find( 'no element found' ) != -1: |
---|
[169] | 933 | debug_msg( 0, 'No XML data found: Socket not (re)connected or datasource not available.' ) |
---|
[71] | 934 | return 0 |
---|
| 935 | |
---|
[170] | 936 | debug_msg( 0, 'FATAL ERROR: Non-recoverable XML error ' + str( exception ) ) |
---|
[71] | 937 | sys.exit( 1 ) |
---|
| 938 | |
---|
| 939 | def warning( self, exception ): |
---|
| 940 | """Warning""" |
---|
| 941 | |
---|
| 942 | debug_msg( 0, 'Warning ' + str( exception ) ) |
---|
| 943 | |
---|
[78] | 944 | class XMLGatherer: |
---|
[63] | 945 | """Setup a connection and file object to Ganglia's XML""" |
---|
[3] | 946 | |
---|
[287] | 947 | s = None |
---|
| 948 | fd = None |
---|
| 949 | data = None |
---|
[293] | 950 | slot = None |
---|
[8] | 951 | |
---|
[287] | 952 | # Time since the last update |
---|
| 953 | # |
---|
| 954 | LAST_UPDATE = 0 |
---|
| 955 | |
---|
| 956 | # Minimum interval between updates |
---|
| 957 | # |
---|
| 958 | MIN_UPDATE_INT = 10 |
---|
| 959 | |
---|
| 960 | # Is a update occuring now |
---|
| 961 | # |
---|
| 962 | update_now = False |
---|
| 963 | |
---|
[8] | 964 | def __init__( self, host, port ): |
---|
[63] | 965 | """Store host and port for connection""" |
---|
[8] | 966 | |
---|
[293] | 967 | self.host = host |
---|
| 968 | self.port = port |
---|
| 969 | self.slot = threading.Lock() |
---|
[3] | 970 | |
---|
[287] | 971 | self.retrieveData() |
---|
| 972 | |
---|
| 973 | def retrieveData( self ): |
---|
[63] | 974 | """Setup connection to XML source""" |
---|
[8] | 975 | |
---|
[287] | 976 | self.update_now = True |
---|
| 977 | |
---|
[293] | 978 | self.slot.acquire() |
---|
| 979 | |
---|
[8] | 980 | for res in socket.getaddrinfo( self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM ): |
---|
[32] | 981 | |
---|
[5] | 982 | af, socktype, proto, canonname, sa = res |
---|
[32] | 983 | |
---|
[5] | 984 | try: |
---|
[32] | 985 | |
---|
[8] | 986 | self.s = socket.socket( af, socktype, proto ) |
---|
[32] | 987 | |
---|
[5] | 988 | except socket.error, msg: |
---|
[32] | 989 | |
---|
[8] | 990 | self.s = None |
---|
[5] | 991 | continue |
---|
[32] | 992 | |
---|
[5] | 993 | try: |
---|
[32] | 994 | |
---|
[8] | 995 | self.s.connect( sa ) |
---|
[32] | 996 | |
---|
[5] | 997 | except socket.error, msg: |
---|
[32] | 998 | |
---|
[70] | 999 | self.disconnect() |
---|
[5] | 1000 | continue |
---|
[32] | 1001 | |
---|
[5] | 1002 | break |
---|
[3] | 1003 | |
---|
[8] | 1004 | if self.s is None: |
---|
[32] | 1005 | |
---|
[170] | 1006 | debug_msg( 0, 'FATAL ERROR: Could not open socket or unable to connect to datasource!' ) |
---|
[287] | 1007 | self.update_now = False |
---|
[33] | 1008 | sys.exit( 1 ) |
---|
[5] | 1009 | |
---|
[287] | 1010 | else: |
---|
[324] | 1011 | #self.s.send( '\n' ) |
---|
[287] | 1012 | |
---|
| 1013 | my_fp = self.s.makefile( 'r' ) |
---|
| 1014 | my_data = my_fp.readlines() |
---|
| 1015 | my_data = string.join( my_data, '' ) |
---|
| 1016 | |
---|
| 1017 | self.data = my_data |
---|
| 1018 | |
---|
| 1019 | self.LAST_UPDATE = time.time() |
---|
| 1020 | |
---|
[293] | 1021 | self.slot.release() |
---|
| 1022 | |
---|
[287] | 1023 | self.update_now = False |
---|
| 1024 | |
---|
[33] | 1025 | def disconnect( self ): |
---|
[63] | 1026 | """Close socket""" |
---|
[33] | 1027 | |
---|
| 1028 | if self.s: |
---|
[287] | 1029 | #self.s.shutdown( 2 ) |
---|
[33] | 1030 | self.s.close() |
---|
| 1031 | self.s = None |
---|
| 1032 | |
---|
| 1033 | def __del__( self ): |
---|
[63] | 1034 | """Kill the socket before we leave""" |
---|
[33] | 1035 | |
---|
| 1036 | self.disconnect() |
---|
| 1037 | |
---|
[287] | 1038 | def reGetData( self ): |
---|
[70] | 1039 | """Reconnect""" |
---|
[33] | 1040 | |
---|
[287] | 1041 | while self.update_now: |
---|
| 1042 | |
---|
| 1043 | # Must be another update in progress: |
---|
| 1044 | # Wait until the update is complete |
---|
| 1045 | # |
---|
| 1046 | time.sleep( 1 ) |
---|
| 1047 | |
---|
[38] | 1048 | if self.s: |
---|
| 1049 | self.disconnect() |
---|
[33] | 1050 | |
---|
[287] | 1051 | self.retrieveData() |
---|
[5] | 1052 | |
---|
[287] | 1053 | def getData( self ): |
---|
| 1054 | |
---|
| 1055 | """Return the XML data""" |
---|
| 1056 | |
---|
| 1057 | # If more than MIN_UPDATE_INT seconds passed since last data update |
---|
| 1058 | # update the XML first before returning it |
---|
| 1059 | # |
---|
| 1060 | |
---|
| 1061 | cur_time = time.time() |
---|
| 1062 | |
---|
| 1063 | if ( cur_time - self.LAST_UPDATE ) > self.MIN_UPDATE_INT: |
---|
| 1064 | |
---|
| 1065 | self.reGetData() |
---|
| 1066 | |
---|
| 1067 | while self.update_now: |
---|
| 1068 | |
---|
| 1069 | # Must be another update in progress: |
---|
| 1070 | # Wait until the update is complete |
---|
| 1071 | # |
---|
| 1072 | time.sleep( 1 ) |
---|
| 1073 | |
---|
| 1074 | return self.data |
---|
| 1075 | |
---|
[70] | 1076 | def makeFileDescriptor( self ): |
---|
| 1077 | """Make file descriptor that points to our socket connection""" |
---|
| 1078 | |
---|
| 1079 | self.reconnect() |
---|
| 1080 | |
---|
| 1081 | if self.s: |
---|
| 1082 | self.fd = self.s.makefile( 'r' ) |
---|
| 1083 | |
---|
| 1084 | def getFileObject( self ): |
---|
| 1085 | """Connect, and return a file object""" |
---|
| 1086 | |
---|
[78] | 1087 | self.makeFileDescriptor() |
---|
| 1088 | |
---|
[70] | 1089 | if self.fd: |
---|
| 1090 | return self.fd |
---|
| 1091 | |
---|
[78] | 1092 | class GangliaXMLProcessor( XMLProcessor ): |
---|
[63] | 1093 | """Main class for processing XML and acting with it""" |
---|
[5] | 1094 | |
---|
[295] | 1095 | def __init__( self, XMLSource, DataStore ): |
---|
[63] | 1096 | """Setup initial XML connection and handlers""" |
---|
[33] | 1097 | |
---|
[287] | 1098 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
[33] | 1099 | |
---|
[293] | 1100 | #self.myXMLGatherer = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] ) |
---|
[287] | 1101 | #self.myXMLSource = self.myXMLGatherer.getFileObject() |
---|
| 1102 | self.myXMLSource = XMLSource |
---|
[295] | 1103 | self.ds = DataStore |
---|
| 1104 | self.myXMLHandler = GangliaXMLHandler( self.config, self.ds ) |
---|
[287] | 1105 | self.myXMLError = XMLErrorHandler() |
---|
[73] | 1106 | |
---|
[9] | 1107 | def run( self ): |
---|
[63] | 1108 | """Main XML processing; start a xml and storethread""" |
---|
[8] | 1109 | |
---|
[102] | 1110 | xml_thread = threading.Thread( None, self.processXML, 'xmlthread' ) |
---|
| 1111 | store_thread = threading.Thread( None, self.storeMetrics, 'storethread' ) |
---|
[22] | 1112 | |
---|
[36] | 1113 | while( 1 ): |
---|
| 1114 | |
---|
[102] | 1115 | if not xml_thread.isAlive(): |
---|
[36] | 1116 | # Gather XML at the same interval as gmetad |
---|
| 1117 | |
---|
| 1118 | # threaded call to: self.processXML() |
---|
| 1119 | # |
---|
[169] | 1120 | try: |
---|
| 1121 | xml_thread = threading.Thread( None, self.processXML, 'xml_thread' ) |
---|
| 1122 | xml_thread.start() |
---|
[176] | 1123 | except thread.error, msg: |
---|
[169] | 1124 | debug_msg( 0, 'ERROR: Unable to start xml_thread!: '+str(msg)) |
---|
| 1125 | #return 1 |
---|
[36] | 1126 | |
---|
[102] | 1127 | if not store_thread.isAlive(): |
---|
[55] | 1128 | # Store metrics every .. sec |
---|
[36] | 1129 | |
---|
[55] | 1130 | # threaded call to: self.storeMetrics() |
---|
| 1131 | # |
---|
[169] | 1132 | try: |
---|
| 1133 | store_thread = threading.Thread( None, self.storeMetrics, 'store_thread' ) |
---|
| 1134 | store_thread.start() |
---|
[176] | 1135 | except thread.error, msg: |
---|
[169] | 1136 | debug_msg( 0, 'ERROR: Unable to start store_thread!: '+str(msg)) |
---|
| 1137 | #return 1 |
---|
[36] | 1138 | |
---|
| 1139 | # Just sleep a sec here, to prevent daemon from going mad. We're all threads here anyway |
---|
| 1140 | time.sleep( 1 ) |
---|
| 1141 | |
---|
[33] | 1142 | def storeMetrics( self ): |
---|
[63] | 1143 | """Store metrics retained in memory to disk""" |
---|
[22] | 1144 | |
---|
[365] | 1145 | global DEBUG_LEVEL |
---|
| 1146 | |
---|
[63] | 1147 | # Store metrics somewhere between every 360 and 640 seconds |
---|
[38] | 1148 | # |
---|
[365] | 1149 | if DEBUG_LEVEL > 2: |
---|
| 1150 | #STORE_INTERVAL = 60 |
---|
| 1151 | STORE_INTERVAL = random.randint( 360, 640 ) |
---|
| 1152 | else: |
---|
| 1153 | STORE_INTERVAL = random.randint( 360, 640 ) |
---|
[22] | 1154 | |
---|
[169] | 1155 | try: |
---|
| 1156 | store_metric_thread = threading.Thread( None, self.storeThread, 'store_metric_thread' ) |
---|
| 1157 | store_metric_thread.start() |
---|
[176] | 1158 | except thread.error, msg: |
---|
[169] | 1159 | debug_msg( 0, 'ERROR: Unable to start ganglia_store_thread()!: '+str(msg) ) |
---|
| 1160 | return 1 |
---|
[36] | 1161 | |
---|
[169] | 1162 | debug_msg( 1, 'ganglia_store_thread(): started.' ) |
---|
| 1163 | |
---|
| 1164 | debug_msg( 1, 'ganglia_store_thread(): Sleeping.. (%ss)' %STORE_INTERVAL ) |
---|
[36] | 1165 | time.sleep( STORE_INTERVAL ) |
---|
[169] | 1166 | debug_msg( 1, 'ganglia_store_thread(): Done sleeping.' ) |
---|
[36] | 1167 | |
---|
[102] | 1168 | if store_metric_thread.isAlive(): |
---|
[36] | 1169 | |
---|
[169] | 1170 | debug_msg( 1, 'ganglia_store_thread(): storemetricthread() still running, waiting to finish..' ) |
---|
[136] | 1171 | store_metric_thread.join( STORE_TIMEOUT ) # Maximum time is for storing thread to finish |
---|
[169] | 1172 | debug_msg( 1, 'ganglia_store_thread(): Done waiting.' ) |
---|
[36] | 1173 | |
---|
[169] | 1174 | debug_msg( 1, 'ganglia_store_thread(): finished.' ) |
---|
[36] | 1175 | |
---|
| 1176 | return 0 |
---|
| 1177 | |
---|
[39] | 1178 | def storeThread( self ): |
---|
[63] | 1179 | """Actual metric storing thread""" |
---|
[39] | 1180 | |
---|
[169] | 1181 | debug_msg( 1, 'ganglia_store_metric_thread(): started.' ) |
---|
| 1182 | debug_msg( 1, 'ganglia_store_metric_thread(): Storing data..' ) |
---|
[78] | 1183 | ret = self.myXMLHandler.storeMetrics() |
---|
[176] | 1184 | if ret > 0: |
---|
| 1185 | debug_msg( 0, 'ganglia_store_metric_thread(): UNKNOWN ERROR %s while storing Metrics!' %str(ret) ) |
---|
[169] | 1186 | debug_msg( 1, 'ganglia_store_metric_thread(): Done storing.' ) |
---|
| 1187 | debug_msg( 1, 'ganglia_store_metric_thread(): finished.' ) |
---|
[39] | 1188 | |
---|
[176] | 1189 | return 0 |
---|
[39] | 1190 | |
---|
[8] | 1191 | def processXML( self ): |
---|
[63] | 1192 | """Process XML""" |
---|
[8] | 1193 | |
---|
[169] | 1194 | try: |
---|
| 1195 | parsethread = threading.Thread( None, self.parseThread, 'parsethread' ) |
---|
| 1196 | parsethread.start() |
---|
[176] | 1197 | except thread.error, msg: |
---|
[169] | 1198 | debug_msg( 0, 'ERROR: Unable to start ganglia_xml_thread()!: ' + str(msg) ) |
---|
| 1199 | return 1 |
---|
[8] | 1200 | |
---|
[169] | 1201 | debug_msg( 1, 'ganglia_xml_thread(): started.' ) |
---|
[36] | 1202 | |
---|
[169] | 1203 | debug_msg( 1, 'ganglia_xml_thread(): Sleeping.. (%ss)' %self.config.getLowestInterval() ) |
---|
[36] | 1204 | time.sleep( float( self.config.getLowestInterval() ) ) |
---|
[169] | 1205 | debug_msg( 1, 'ganglia_xml_thread(): Done sleeping.' ) |
---|
[36] | 1206 | |
---|
| 1207 | if parsethread.isAlive(): |
---|
| 1208 | |
---|
[169] | 1209 | debug_msg( 1, 'ganglia_xml_thread(): parsethread() still running, waiting (%ss) to finish..' %PARSE_TIMEOUT ) |
---|
[47] | 1210 | parsethread.join( PARSE_TIMEOUT ) # Maximum time for XML thread to finish |
---|
[169] | 1211 | debug_msg( 1, 'ganglia_xml_thread(): Done waiting.' ) |
---|
[36] | 1212 | |
---|
[169] | 1213 | debug_msg( 1, 'ganglia_xml_thread(): finished.' ) |
---|
[36] | 1214 | |
---|
| 1215 | return 0 |
---|
| 1216 | |
---|
[39] | 1217 | def parseThread( self ): |
---|
[63] | 1218 | """Actual parsing thread""" |
---|
[39] | 1219 | |
---|
[169] | 1220 | debug_msg( 1, 'ganglia_parse_thread(): started.' ) |
---|
| 1221 | debug_msg( 1, 'ganglia_parse_thread(): Parsing XML..' ) |
---|
[287] | 1222 | #self.myXMLSource = self.myXMLGatherer.getFileObject() |
---|
| 1223 | |
---|
| 1224 | my_data = self.myXMLSource.getData() |
---|
[176] | 1225 | |
---|
[293] | 1226 | #print my_data |
---|
| 1227 | |
---|
[176] | 1228 | try: |
---|
[287] | 1229 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
[176] | 1230 | except socket.error, msg: |
---|
| 1231 | debug_msg( 0, 'ERROR: Socket error in connect to datasource!: %s' %msg ) |
---|
| 1232 | |
---|
[169] | 1233 | debug_msg( 1, 'ganglia_parse_thread(): Done parsing.' ) |
---|
| 1234 | debug_msg( 1, 'ganglia_parse_thread(): finished.' ) |
---|
[39] | 1235 | |
---|
[176] | 1236 | return 0 |
---|
[39] | 1237 | |
---|
[9] | 1238 | class GangliaConfigParser: |
---|
| 1239 | |
---|
[34] | 1240 | sources = [ ] |
---|
[9] | 1241 | |
---|
| 1242 | def __init__( self, config ): |
---|
[63] | 1243 | """Parse some stuff from our gmetad's config, such as polling interval""" |
---|
[32] | 1244 | |
---|
[9] | 1245 | self.config = config |
---|
| 1246 | self.parseValues() |
---|
| 1247 | |
---|
[32] | 1248 | def parseValues( self ): |
---|
[63] | 1249 | """Parse certain values from gmetad.conf""" |
---|
[9] | 1250 | |
---|
| 1251 | readcfg = open( self.config, 'r' ) |
---|
| 1252 | |
---|
| 1253 | for line in readcfg.readlines(): |
---|
| 1254 | |
---|
| 1255 | if line.count( '"' ) > 1: |
---|
| 1256 | |
---|
[10] | 1257 | if line.find( 'data_source' ) != -1 and line[0] != '#': |
---|
[9] | 1258 | |
---|
[292] | 1259 | source = { } |
---|
| 1260 | source['name'] = line.split( '"' )[1] |
---|
| 1261 | source_words = line.split( '"' )[2].split( ' ' ) |
---|
[9] | 1262 | |
---|
| 1263 | for word in source_words: |
---|
| 1264 | |
---|
| 1265 | valid_interval = 1 |
---|
| 1266 | |
---|
| 1267 | for letter in word: |
---|
[32] | 1268 | |
---|
[9] | 1269 | if letter not in string.digits: |
---|
[32] | 1270 | |
---|
[9] | 1271 | valid_interval = 0 |
---|
| 1272 | |
---|
[10] | 1273 | if valid_interval and len(word) > 0: |
---|
[32] | 1274 | |
---|
[9] | 1275 | source['interval'] = word |
---|
[12] | 1276 | debug_msg( 9, 'polling interval for %s = %s' %(source['name'], source['interval'] ) ) |
---|
[33] | 1277 | |
---|
| 1278 | # No interval found, use Ganglia's default |
---|
| 1279 | if not source.has_key( 'interval' ): |
---|
| 1280 | source['interval'] = 15 |
---|
| 1281 | debug_msg( 9, 'polling interval for %s defaulted to 15' %(source['name']) ) |
---|
[32] | 1282 | |
---|
[33] | 1283 | self.sources.append( source ) |
---|
[9] | 1284 | |
---|
| 1285 | def getInterval( self, source_name ): |
---|
[63] | 1286 | """Return interval for source_name""" |
---|
[32] | 1287 | |
---|
[9] | 1288 | for source in self.sources: |
---|
[32] | 1289 | |
---|
[12] | 1290 | if source['name'] == source_name: |
---|
[32] | 1291 | |
---|
[9] | 1292 | return source['interval'] |
---|
[32] | 1293 | |
---|
[9] | 1294 | return None |
---|
| 1295 | |
---|
[34] | 1296 | def getLowestInterval( self ): |
---|
[63] | 1297 | """Return the lowest interval of all clusters""" |
---|
[34] | 1298 | |
---|
| 1299 | lowest_interval = 0 |
---|
| 1300 | |
---|
| 1301 | for source in self.sources: |
---|
| 1302 | |
---|
| 1303 | if not lowest_interval or source['interval'] <= lowest_interval: |
---|
| 1304 | |
---|
| 1305 | lowest_interval = source['interval'] |
---|
| 1306 | |
---|
| 1307 | # Return 15 when nothing is found, so that the daemon won't go insane with 0 sec delays |
---|
| 1308 | if lowest_interval: |
---|
| 1309 | return lowest_interval |
---|
| 1310 | else: |
---|
| 1311 | return 15 |
---|
| 1312 | |
---|
[9] | 1313 | class RRDHandler: |
---|
[63] | 1314 | """Class for handling RRD activity""" |
---|
[9] | 1315 | |
---|
[32] | 1316 | myMetrics = { } |
---|
[40] | 1317 | lastStored = { } |
---|
[47] | 1318 | timeserials = { } |
---|
[36] | 1319 | slot = None |
---|
[32] | 1320 | |
---|
[33] | 1321 | def __init__( self, config, cluster ): |
---|
[63] | 1322 | """Setup initial variables""" |
---|
[78] | 1323 | |
---|
[292] | 1324 | self.block = 0 |
---|
| 1325 | self.cluster = cluster |
---|
| 1326 | self.config = config |
---|
| 1327 | self.slot = threading.Lock() |
---|
| 1328 | self.rrdm = RRDMutator( RRDTOOL ) |
---|
| 1329 | |
---|
[365] | 1330 | global DEBUG_LEVEL |
---|
[9] | 1331 | |
---|
[365] | 1332 | if DEBUG_LEVEL <= 2: |
---|
| 1333 | self.gatherLastUpdates() |
---|
| 1334 | |
---|
[42] | 1335 | def gatherLastUpdates( self ): |
---|
[63] | 1336 | """Populate the lastStored list, containing timestamps of all last updates""" |
---|
[42] | 1337 | |
---|
| 1338 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster ) |
---|
| 1339 | |
---|
| 1340 | hosts = [ ] |
---|
| 1341 | |
---|
| 1342 | if os.path.exists( cluster_dir ): |
---|
| 1343 | |
---|
[44] | 1344 | dirlist = os.listdir( cluster_dir ) |
---|
[42] | 1345 | |
---|
[44] | 1346 | for dir in dirlist: |
---|
[42] | 1347 | |
---|
[44] | 1348 | hosts.append( dir ) |
---|
[42] | 1349 | |
---|
| 1350 | for host in hosts: |
---|
| 1351 | |
---|
[292] | 1352 | host_dir = cluster_dir + '/' + host |
---|
| 1353 | dirlist = os.listdir( host_dir ) |
---|
[47] | 1354 | |
---|
| 1355 | for dir in dirlist: |
---|
| 1356 | |
---|
| 1357 | if not self.timeserials.has_key( host ): |
---|
| 1358 | |
---|
| 1359 | self.timeserials[ host ] = [ ] |
---|
| 1360 | |
---|
| 1361 | self.timeserials[ host ].append( dir ) |
---|
| 1362 | |
---|
[42] | 1363 | last_serial = self.getLastRrdTimeSerial( host ) |
---|
[292] | 1364 | |
---|
[42] | 1365 | if last_serial: |
---|
| 1366 | |
---|
| 1367 | metric_dir = cluster_dir + '/' + host + '/' + last_serial |
---|
[292] | 1368 | |
---|
[42] | 1369 | if os.path.exists( metric_dir ): |
---|
| 1370 | |
---|
[44] | 1371 | dirlist = os.listdir( metric_dir ) |
---|
[42] | 1372 | |
---|
[44] | 1373 | for file in dirlist: |
---|
[42] | 1374 | |
---|
[44] | 1375 | metricname = file.split( '.rrd' )[0] |
---|
[42] | 1376 | |
---|
[44] | 1377 | if not self.lastStored.has_key( host ): |
---|
[42] | 1378 | |
---|
[44] | 1379 | self.lastStored[ host ] = { } |
---|
[42] | 1380 | |
---|
[44] | 1381 | self.lastStored[ host ][ metricname ] = self.rrdm.grabLastUpdate( metric_dir + '/' + file ) |
---|
[42] | 1382 | |
---|
[32] | 1383 | def getClusterName( self ): |
---|
[63] | 1384 | """Return clustername""" |
---|
| 1385 | |
---|
[32] | 1386 | return self.cluster |
---|
| 1387 | |
---|
| 1388 | def memMetric( self, host, metric ): |
---|
[63] | 1389 | """Store metric from host in memory""" |
---|
[32] | 1390 | |
---|
[179] | 1391 | # <ATOMIC> |
---|
| 1392 | # |
---|
| 1393 | self.slot.acquire() |
---|
| 1394 | |
---|
[34] | 1395 | if self.myMetrics.has_key( host ): |
---|
[32] | 1396 | |
---|
[34] | 1397 | if self.myMetrics[ host ].has_key( metric['name'] ): |
---|
[32] | 1398 | |
---|
[34] | 1399 | for mymetric in self.myMetrics[ host ][ metric['name'] ]: |
---|
[32] | 1400 | |
---|
[34] | 1401 | if mymetric['time'] == metric['time']: |
---|
[32] | 1402 | |
---|
[34] | 1403 | # Allready have this metric, abort |
---|
[179] | 1404 | self.slot.release() |
---|
[34] | 1405 | return 1 |
---|
| 1406 | else: |
---|
| 1407 | self.myMetrics[ host ][ metric['name'] ] = [ ] |
---|
| 1408 | else: |
---|
[292] | 1409 | self.myMetrics[ host ] = { } |
---|
| 1410 | self.myMetrics[ host ][ metric['name'] ] = [ ] |
---|
[32] | 1411 | |
---|
[63] | 1412 | # Push new metric onto stack |
---|
| 1413 | # atomic code; only 1 thread at a time may access the stack |
---|
| 1414 | |
---|
[32] | 1415 | self.myMetrics[ host ][ metric['name'] ].append( metric ) |
---|
| 1416 | |
---|
[40] | 1417 | self.slot.release() |
---|
[53] | 1418 | # |
---|
| 1419 | # </ATOMIC> |
---|
[40] | 1420 | |
---|
[47] | 1421 | def makeUpdateList( self, host, metriclist ): |
---|
[63] | 1422 | """ |
---|
| 1423 | Make a list of update values for rrdupdate |
---|
| 1424 | but only those that we didn't store before |
---|
| 1425 | """ |
---|
[37] | 1426 | |
---|
[292] | 1427 | update_list = [ ] |
---|
| 1428 | metric = None |
---|
[37] | 1429 | |
---|
[47] | 1430 | while len( metriclist ) > 0: |
---|
[37] | 1431 | |
---|
[53] | 1432 | metric = metriclist.pop( 0 ) |
---|
[37] | 1433 | |
---|
[53] | 1434 | if self.checkStoreMetric( host, metric ): |
---|
[292] | 1435 | |
---|
[365] | 1436 | u_val = str( metric['time'] ) + ':' + str( metric['val'] ) |
---|
| 1437 | #update_list.append( str('%s:%s') %( metric['time'], metric['val'] ) ) |
---|
| 1438 | update_list.append( u_val ) |
---|
[40] | 1439 | |
---|
[37] | 1440 | return update_list |
---|
| 1441 | |
---|
[49] | 1442 | def checkStoreMetric( self, host, metric ): |
---|
[63] | 1443 | """Check if supplied metric if newer than last one stored""" |
---|
[40] | 1444 | |
---|
| 1445 | if self.lastStored.has_key( host ): |
---|
| 1446 | |
---|
[47] | 1447 | if self.lastStored[ host ].has_key( metric['name'] ): |
---|
[40] | 1448 | |
---|
[47] | 1449 | if metric['time'] <= self.lastStored[ host ][ metric['name'] ]: |
---|
[40] | 1450 | |
---|
[50] | 1451 | # This is old |
---|
[40] | 1452 | return 0 |
---|
| 1453 | |
---|
[50] | 1454 | return 1 |
---|
| 1455 | |
---|
[54] | 1456 | def memLastUpdate( self, host, metricname, metriclist ): |
---|
[63] | 1457 | """ |
---|
| 1458 | Memorize the time of the latest metric from metriclist |
---|
| 1459 | but only if it wasn't allready memorized |
---|
| 1460 | """ |
---|
[50] | 1461 | |
---|
[54] | 1462 | if not self.lastStored.has_key( host ): |
---|
| 1463 | self.lastStored[ host ] = { } |
---|
| 1464 | |
---|
[50] | 1465 | last_update_time = 0 |
---|
| 1466 | |
---|
| 1467 | for metric in metriclist: |
---|
| 1468 | |
---|
[54] | 1469 | if metric['name'] == metricname: |
---|
[50] | 1470 | |
---|
[54] | 1471 | if metric['time'] > last_update_time: |
---|
[50] | 1472 | |
---|
[54] | 1473 | last_update_time = metric['time'] |
---|
[40] | 1474 | |
---|
[54] | 1475 | if self.lastStored[ host ].has_key( metricname ): |
---|
[52] | 1476 | |
---|
[54] | 1477 | if last_update_time <= self.lastStored[ host ][ metricname ]: |
---|
[52] | 1478 | return 1 |
---|
[40] | 1479 | |
---|
[54] | 1480 | self.lastStored[ host ][ metricname ] = last_update_time |
---|
[52] | 1481 | |
---|
[33] | 1482 | def storeMetrics( self ): |
---|
[63] | 1483 | """ |
---|
| 1484 | Store all metrics from memory to disk |
---|
| 1485 | and do it to the RRD's in appropriate timeperiod directory |
---|
| 1486 | """ |
---|
[33] | 1487 | |
---|
[365] | 1488 | debug_msg( 5, "Entering storeMetrics()") |
---|
| 1489 | |
---|
| 1490 | count_values = 0 |
---|
| 1491 | count_metrics = 0 |
---|
| 1492 | count_bits = 0 |
---|
| 1493 | |
---|
[33] | 1494 | for hostname, mymetrics in self.myMetrics.items(): |
---|
| 1495 | |
---|
| 1496 | for metricname, mymetric in mymetrics.items(): |
---|
| 1497 | |
---|
[365] | 1498 | count_metrics += 1 |
---|
| 1499 | |
---|
| 1500 | for dmetric in mymetric: |
---|
| 1501 | |
---|
| 1502 | count_values += 1 |
---|
| 1503 | |
---|
| 1504 | count_bits += len( dmetric['time'] ) |
---|
| 1505 | count_bits += len( dmetric['val'] ) |
---|
| 1506 | |
---|
| 1507 | count_bytes = count_bits / 8 |
---|
| 1508 | |
---|
| 1509 | debug_msg( 5, "size of cluster '" + self.cluster + "': " + |
---|
| 1510 | str( len( self.myMetrics.keys() ) ) + " hosts " + |
---|
| 1511 | str( count_metrics ) + " metrics " + str( count_values ) + " values " + |
---|
| 1512 | str( count_bits ) + " bits " + str( count_bytes ) + " bytes " ) |
---|
| 1513 | |
---|
| 1514 | for hostname, mymetrics in self.myMetrics.items(): |
---|
| 1515 | |
---|
| 1516 | for metricname, mymetric in mymetrics.items(): |
---|
| 1517 | |
---|
[53] | 1518 | metrics_to_store = [ ] |
---|
| 1519 | |
---|
[63] | 1520 | # Pop metrics from stack for storing until none is left |
---|
| 1521 | # atomic code: only 1 thread at a time may access myMetrics |
---|
| 1522 | |
---|
[53] | 1523 | # <ATOMIC> |
---|
[50] | 1524 | # |
---|
[47] | 1525 | self.slot.acquire() |
---|
[33] | 1526 | |
---|
[54] | 1527 | while len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[53] | 1528 | |
---|
[54] | 1529 | if len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[53] | 1530 | |
---|
[176] | 1531 | try: |
---|
| 1532 | metrics_to_store.append( self.myMetrics[ hostname ][ metricname ].pop( 0 ) ) |
---|
| 1533 | except IndexError, msg: |
---|
| 1534 | |
---|
[179] | 1535 | # Somehow sometimes myMetrics[ hostname ][ metricname ] |
---|
| 1536 | # is still len 0 when the statement is executed. |
---|
| 1537 | # Just ignore indexerror's.. |
---|
[176] | 1538 | pass |
---|
| 1539 | |
---|
[53] | 1540 | self.slot.release() |
---|
| 1541 | # |
---|
| 1542 | # </ATOMIC> |
---|
| 1543 | |
---|
[47] | 1544 | # Create a mapping table, each metric to the period where it should be stored |
---|
| 1545 | # |
---|
[53] | 1546 | metric_serial_table = self.determineSerials( hostname, metricname, metrics_to_store ) |
---|
[33] | 1547 | |
---|
[50] | 1548 | update_rets = [ ] |
---|
| 1549 | |
---|
[47] | 1550 | for period, pmetric in metric_serial_table.items(): |
---|
| 1551 | |
---|
[146] | 1552 | create_ret = self.createCheck( hostname, metricname, period ) |
---|
[47] | 1553 | |
---|
| 1554 | update_ret = self.update( hostname, metricname, period, pmetric ) |
---|
| 1555 | |
---|
| 1556 | if update_ret == 0: |
---|
| 1557 | |
---|
| 1558 | debug_msg( 9, 'stored metric %s for %s' %( hostname, metricname ) ) |
---|
| 1559 | else: |
---|
| 1560 | debug_msg( 9, 'metric update failed' ) |
---|
| 1561 | |
---|
[146] | 1562 | update_rets.append( create_ret ) |
---|
[50] | 1563 | update_rets.append( update_ret ) |
---|
[47] | 1564 | |
---|
[179] | 1565 | # Lets ignore errors here for now, we need to make sure last update time |
---|
| 1566 | # is correct! |
---|
| 1567 | # |
---|
| 1568 | #if not (1) in update_rets: |
---|
[50] | 1569 | |
---|
[179] | 1570 | self.memLastUpdate( hostname, metricname, metrics_to_store ) |
---|
[50] | 1571 | |
---|
[365] | 1572 | debug_msg( 5, "Leaving storeMetrics()") |
---|
| 1573 | |
---|
[17] | 1574 | def makeTimeSerial( self ): |
---|
[63] | 1575 | """Generate a time serial. Seconds since epoch""" |
---|
[17] | 1576 | |
---|
| 1577 | # Seconds since epoch |
---|
| 1578 | mytime = int( time.time() ) |
---|
| 1579 | |
---|
| 1580 | return mytime |
---|
| 1581 | |
---|
[50] | 1582 | def makeRrdPath( self, host, metricname, timeserial ): |
---|
[63] | 1583 | """Make a RRD location/path and filename""" |
---|
[17] | 1584 | |
---|
[292] | 1585 | rrd_dir = '%s/%s/%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster, host, timeserial ) |
---|
| 1586 | rrd_file = '%s/%s.rrd' %( rrd_dir, metricname ) |
---|
[17] | 1587 | |
---|
| 1588 | return rrd_dir, rrd_file |
---|
| 1589 | |
---|
[20] | 1590 | def getLastRrdTimeSerial( self, host ): |
---|
[63] | 1591 | """Find the last timeserial (directory) for this host""" |
---|
[17] | 1592 | |
---|
[19] | 1593 | newest_timeserial = 0 |
---|
| 1594 | |
---|
[47] | 1595 | for dir in self.timeserials[ host ]: |
---|
[32] | 1596 | |
---|
[47] | 1597 | valid_dir = 1 |
---|
[17] | 1598 | |
---|
[47] | 1599 | for letter in dir: |
---|
| 1600 | if letter not in string.digits: |
---|
| 1601 | valid_dir = 0 |
---|
[17] | 1602 | |
---|
[47] | 1603 | if valid_dir: |
---|
| 1604 | timeserial = dir |
---|
| 1605 | if timeserial > newest_timeserial: |
---|
| 1606 | newest_timeserial = timeserial |
---|
[17] | 1607 | |
---|
| 1608 | if newest_timeserial: |
---|
[18] | 1609 | return newest_timeserial |
---|
[17] | 1610 | else: |
---|
| 1611 | return 0 |
---|
| 1612 | |
---|
[47] | 1613 | def determinePeriod( self, host, check_serial ): |
---|
[63] | 1614 | """Determine to which period (directory) this time(serial) belongs""" |
---|
[47] | 1615 | |
---|
| 1616 | period_serial = 0 |
---|
| 1617 | |
---|
[56] | 1618 | if self.timeserials.has_key( host ): |
---|
[47] | 1619 | |
---|
[56] | 1620 | for serial in self.timeserials[ host ]: |
---|
[47] | 1621 | |
---|
[56] | 1622 | if check_serial >= serial and period_serial < serial: |
---|
[47] | 1623 | |
---|
[56] | 1624 | period_serial = serial |
---|
| 1625 | |
---|
[47] | 1626 | return period_serial |
---|
| 1627 | |
---|
| 1628 | def determineSerials( self, host, metricname, metriclist ): |
---|
| 1629 | """ |
---|
| 1630 | Determine the correct serial and corresponding rrd to store |
---|
| 1631 | for a list of metrics |
---|
| 1632 | """ |
---|
| 1633 | |
---|
| 1634 | metric_serial_table = { } |
---|
| 1635 | |
---|
| 1636 | for metric in metriclist: |
---|
| 1637 | |
---|
| 1638 | if metric['name'] == metricname: |
---|
| 1639 | |
---|
[292] | 1640 | period = self.determinePeriod( host, metric['time'] ) |
---|
[47] | 1641 | |
---|
[292] | 1642 | archive_secs = ARCHIVE_HOURS_PER_RRD * (60 * 60) |
---|
[47] | 1643 | |
---|
[49] | 1644 | if (int( metric['time'] ) - int( period ) ) > archive_secs: |
---|
[47] | 1645 | |
---|
| 1646 | # This one should get it's own new period |
---|
| 1647 | period = metric['time'] |
---|
[57] | 1648 | |
---|
| 1649 | if not self.timeserials.has_key( host ): |
---|
| 1650 | self.timeserials[ host ] = [ ] |
---|
| 1651 | |
---|
[50] | 1652 | self.timeserials[ host ].append( period ) |
---|
[47] | 1653 | |
---|
| 1654 | if not metric_serial_table.has_key( period ): |
---|
| 1655 | |
---|
[49] | 1656 | metric_serial_table[ period ] = [ ] |
---|
[47] | 1657 | |
---|
| 1658 | metric_serial_table[ period ].append( metric ) |
---|
| 1659 | |
---|
| 1660 | return metric_serial_table |
---|
| 1661 | |
---|
[33] | 1662 | def createCheck( self, host, metricname, timeserial ): |
---|
[63] | 1663 | """Check if an rrd allready exists for this metric, create if not""" |
---|
[9] | 1664 | |
---|
[35] | 1665 | debug_msg( 9, 'rrdcreate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
[47] | 1666 | |
---|
[33] | 1667 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[17] | 1668 | |
---|
[9] | 1669 | if not os.path.exists( rrd_dir ): |
---|
[58] | 1670 | |
---|
| 1671 | try: |
---|
| 1672 | os.makedirs( rrd_dir ) |
---|
| 1673 | |
---|
[169] | 1674 | except os.OSError, msg: |
---|
[58] | 1675 | |
---|
| 1676 | if msg.find( 'File exists' ) != -1: |
---|
| 1677 | |
---|
| 1678 | # Ignore exists errors |
---|
| 1679 | pass |
---|
| 1680 | |
---|
| 1681 | else: |
---|
| 1682 | |
---|
| 1683 | print msg |
---|
| 1684 | return |
---|
| 1685 | |
---|
[14] | 1686 | debug_msg( 9, 'created dir %s' %( str(rrd_dir) ) ) |
---|
[9] | 1687 | |
---|
[14] | 1688 | if not os.path.exists( rrd_file ): |
---|
[9] | 1689 | |
---|
[292] | 1690 | interval = self.config.getInterval( self.cluster ) |
---|
| 1691 | heartbeat = 8 * int( interval ) |
---|
[9] | 1692 | |
---|
[292] | 1693 | params = [ ] |
---|
[12] | 1694 | |
---|
[37] | 1695 | params.append( '--step' ) |
---|
| 1696 | params.append( str( interval ) ) |
---|
[12] | 1697 | |
---|
[37] | 1698 | params.append( '--start' ) |
---|
[47] | 1699 | params.append( str( int( timeserial ) - 1 ) ) |
---|
[12] | 1700 | |
---|
[37] | 1701 | params.append( 'DS:sum:GAUGE:%d:U:U' %heartbeat ) |
---|
| 1702 | params.append( 'RRA:AVERAGE:0.5:1:%s' %(ARCHIVE_HOURS_PER_RRD * 240) ) |
---|
[13] | 1703 | |
---|
[37] | 1704 | self.rrdm.create( str(rrd_file), params ) |
---|
| 1705 | |
---|
[14] | 1706 | debug_msg( 9, 'created rrd %s' %( str(rrd_file) ) ) |
---|
| 1707 | |
---|
[47] | 1708 | def update( self, host, metricname, timeserial, metriclist ): |
---|
[63] | 1709 | """ |
---|
| 1710 | Update rrd file for host with metricname |
---|
| 1711 | in directory timeserial with metriclist |
---|
| 1712 | """ |
---|
[9] | 1713 | |
---|
[35] | 1714 | debug_msg( 9, 'rrdupdate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
[9] | 1715 | |
---|
[292] | 1716 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[18] | 1717 | |
---|
[292] | 1718 | update_list = self.makeUpdateList( host, metriclist ) |
---|
[15] | 1719 | |
---|
[41] | 1720 | if len( update_list ) > 0: |
---|
| 1721 | ret = self.rrdm.update( str(rrd_file), update_list ) |
---|
[32] | 1722 | |
---|
[41] | 1723 | if ret: |
---|
| 1724 | return 1 |
---|
[27] | 1725 | |
---|
[41] | 1726 | debug_msg( 9, 'updated rrd %s with %s' %( str(rrd_file), string.join( update_list ) ) ) |
---|
[15] | 1727 | |
---|
[36] | 1728 | return 0 |
---|
| 1729 | |
---|
[169] | 1730 | def daemon(): |
---|
| 1731 | """daemonized threading""" |
---|
[8] | 1732 | |
---|
[169] | 1733 | # Fork the first child |
---|
| 1734 | # |
---|
| 1735 | pid = os.fork() |
---|
| 1736 | |
---|
| 1737 | if pid > 0: |
---|
| 1738 | |
---|
| 1739 | sys.exit(0) # end parent |
---|
| 1740 | |
---|
| 1741 | # creates a session and sets the process group ID |
---|
| 1742 | # |
---|
| 1743 | os.setsid() |
---|
| 1744 | |
---|
| 1745 | # Fork the second child |
---|
| 1746 | # |
---|
| 1747 | pid = os.fork() |
---|
| 1748 | |
---|
| 1749 | if pid > 0: |
---|
| 1750 | |
---|
| 1751 | sys.exit(0) # end parent |
---|
| 1752 | |
---|
| 1753 | # Go to the root directory and set the umask |
---|
| 1754 | # |
---|
| 1755 | os.chdir('/') |
---|
| 1756 | os.umask(0) |
---|
| 1757 | |
---|
| 1758 | sys.stdin.close() |
---|
| 1759 | sys.stdout.close() |
---|
| 1760 | sys.stderr.close() |
---|
| 1761 | |
---|
[273] | 1762 | os.open('/dev/null', os.O_RDWR) |
---|
| 1763 | os.dup2(0, 1) |
---|
| 1764 | os.dup2(0, 2) |
---|
[169] | 1765 | |
---|
| 1766 | run() |
---|
| 1767 | |
---|
| 1768 | def run(): |
---|
| 1769 | """Threading start""" |
---|
| 1770 | |
---|
[287] | 1771 | myXMLSource = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] ) |
---|
[295] | 1772 | myDataStore = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] ) |
---|
[8] | 1773 | |
---|
[295] | 1774 | myTorqueProcessor = TorqueXMLProcessor( myXMLSource, myDataStore ) |
---|
| 1775 | myGangliaProcessor = GangliaXMLProcessor( myXMLSource, myDataStore ) |
---|
[287] | 1776 | |
---|
[169] | 1777 | try: |
---|
[292] | 1778 | torque_xml_thread = threading.Thread( None, myTorqueProcessor.run, 'torque_proc_thread' ) |
---|
| 1779 | ganglia_xml_thread = threading.Thread( None, myGangliaProcessor.run, 'ganglia_proc_thread' ) |
---|
[22] | 1780 | |
---|
[169] | 1781 | torque_xml_thread.start() |
---|
| 1782 | ganglia_xml_thread.start() |
---|
| 1783 | |
---|
[176] | 1784 | except thread.error, msg: |
---|
[169] | 1785 | debug_msg( 0, 'FATAL ERROR: Unable to start main threads!: '+ str(msg) ) |
---|
| 1786 | syslog.closelog() |
---|
| 1787 | sys.exit(1) |
---|
| 1788 | |
---|
| 1789 | debug_msg( 0, 'main threading started.' ) |
---|
[78] | 1790 | |
---|
[169] | 1791 | def main(): |
---|
| 1792 | """Program startup""" |
---|
| 1793 | |
---|
[375] | 1794 | global DAEMONIZE, USE_SYSLOG |
---|
| 1795 | |
---|
[214] | 1796 | if not processArgs( sys.argv[1:] ): |
---|
| 1797 | sys.exit( 1 ) |
---|
| 1798 | |
---|
[169] | 1799 | if( DAEMONIZE and USE_SYSLOG ): |
---|
| 1800 | syslog.openlog( 'jobarchived', syslog.LOG_NOWAIT, SYSLOG_FACILITY ) |
---|
| 1801 | |
---|
| 1802 | if DAEMONIZE: |
---|
| 1803 | daemon() |
---|
| 1804 | else: |
---|
| 1805 | run() |
---|
| 1806 | |
---|
| 1807 | # |
---|
[81] | 1808 | # Global functions |
---|
[169] | 1809 | # |
---|
[81] | 1810 | |
---|
[9] | 1811 | def check_dir( directory ): |
---|
[63] | 1812 | """Check if directory is a proper directory. I.e.: Does _not_ end with a '/'""" |
---|
[9] | 1813 | |
---|
| 1814 | if directory[-1] == '/': |
---|
| 1815 | directory = directory[:-1] |
---|
| 1816 | |
---|
| 1817 | return directory |
---|
| 1818 | |
---|
[295] | 1819 | def reqtime2epoch( rtime ): |
---|
| 1820 | |
---|
| 1821 | (hours, minutes, seconds ) = rtime.split( ':' ) |
---|
| 1822 | |
---|
| 1823 | etime = int(seconds) |
---|
| 1824 | etime = etime + ( int(minutes) * 60 ) |
---|
| 1825 | etime = etime + ( int(hours) * 60 * 60 ) |
---|
| 1826 | |
---|
| 1827 | return etime |
---|
| 1828 | |
---|
[12] | 1829 | def debug_msg( level, msg ): |
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[169] | 1830 | """Only print msg if correct levels""" |
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[12] | 1831 | |
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[169] | 1832 | if (not DAEMONIZE and DEBUG_LEVEL >= level): |
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| 1833 | sys.stderr.write( printTime() + ' - ' + msg + '\n' ) |
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| 1834 | |
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| 1835 | if (DAEMONIZE and USE_SYSLOG and SYSLOG_LEVEL >= level): |
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| 1836 | syslog.syslog( msg ) |
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[12] | 1837 | |
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[46] | 1838 | def printTime( ): |
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[63] | 1839 | """Print current time in human readable format""" |
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[46] | 1840 | |
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| 1841 | return time.strftime("%a %d %b %Y %H:%M:%S") |
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| 1842 | |
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[63] | 1843 | # Ooohh, someone started me! Let's go.. |
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[9] | 1844 | if __name__ == '__main__': |
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| 1845 | main() |
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