[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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[771] | 5 | # Copyright (C) 2006-2013 Ramon Bastiaans |
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[225] | 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 792 2013-04-05 12:35:28Z ramonb $ |
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| 22 | # |
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[3] | 23 | |
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[466] | 24 | import getopt, syslog, ConfigParser, sys |
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[3] | 25 | |
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[770] | 26 | VERSION='0.4+SVN' |
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[284] | 27 | |
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[466] | 28 | def usage( ver ): |
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[284] | 29 | |
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[770] | 30 | print 'jobarchived %s' %VERSION |
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[284] | 31 | |
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[770] | 32 | if ver: |
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| 33 | return 0 |
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[284] | 34 | |
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[770] | 35 | print |
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| 36 | print 'Purpose:' |
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| 37 | print ' The Job Archive Daemon (jobarchived) stores batch job information in a SQL database' |
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| 38 | print ' and node statistics in a RRD archive' |
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| 39 | print |
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| 40 | print 'Usage: jobarchived [OPTIONS]' |
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| 41 | print |
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| 42 | print ' -c, --config=FILE The configuration file to use (default: /etc/jobarchived.conf)' |
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| 43 | print ' -p, --pidfile=FILE Use pid file to store the process id' |
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| 44 | print ' -h, --help Print help and exit' |
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| 45 | print ' -v, --version Print version and exit' |
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| 46 | print |
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[435] | 47 | |
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[214] | 48 | def processArgs( args ): |
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[6] | 49 | |
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[773] | 50 | SHORT_L = 'p:hvc:' |
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| 51 | LONG_L = [ 'help', 'config=', 'pidfile=', 'version' ] |
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[169] | 52 | |
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[773] | 53 | config_filename = '/etc/jobarchived.conf' |
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[169] | 54 | |
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[770] | 55 | global PIDFILE |
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[435] | 56 | |
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[770] | 57 | PIDFILE = None |
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[435] | 58 | |
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[773] | 59 | try: |
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[169] | 60 | |
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[773] | 61 | opts, args = getopt.getopt( args, SHORT_L, LONG_L ) |
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[9] | 62 | |
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[773] | 63 | except getopt.error, detail: |
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[60] | 64 | |
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[773] | 65 | print detail |
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| 66 | sys.exit(1) |
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[9] | 67 | |
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[773] | 68 | for opt, value in opts: |
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[60] | 69 | |
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[773] | 70 | if opt in [ '--config', '-c' ]: |
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[13] | 71 | |
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[773] | 72 | config_filename = value |
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[198] | 73 | |
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[770] | 74 | if opt in [ '--pidfile', '-p' ]: |
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[435] | 75 | |
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[770] | 76 | PIDFILE = value |
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[435] | 77 | |
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[770] | 78 | if opt in [ '--help', '-h' ]: |
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[435] | 79 | |
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[770] | 80 | usage( False ) |
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| 81 | sys.exit( 0 ) |
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[435] | 82 | |
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[770] | 83 | if opt in [ '--version', '-v' ]: |
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[60] | 84 | |
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[770] | 85 | usage( True ) |
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| 86 | sys.exit( 0 ) |
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[22] | 87 | |
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[770] | 88 | try: |
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| 89 | return loadConfig( config_filename ) |
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[13] | 90 | |
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[770] | 91 | except ConfigParser.NoOptionError, detail: |
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[214] | 92 | |
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[770] | 93 | print detail |
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| 94 | sys.exit( 1 ) |
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[214] | 95 | |
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| 96 | def loadConfig( filename ): |
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| 97 | |
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[770] | 98 | def getlist( cfg_string ): |
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[214] | 99 | |
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[770] | 100 | my_list = [ ] |
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[214] | 101 | |
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[770] | 102 | for item_txt in cfg_string.split( ',' ): |
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[214] | 103 | |
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[770] | 104 | sep_char = None |
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[214] | 105 | |
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[770] | 106 | item_txt = item_txt.strip() |
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[214] | 107 | |
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[770] | 108 | for s_char in [ "'", '"' ]: |
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[214] | 109 | |
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[770] | 110 | if item_txt.find( s_char ) != -1: |
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[214] | 111 | |
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[770] | 112 | if item_txt.count( s_char ) != 2: |
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[214] | 113 | |
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[770] | 114 | print 'Missing quote: %s' %item_txt |
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| 115 | sys.exit( 1 ) |
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[214] | 116 | |
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[770] | 117 | else: |
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[214] | 118 | |
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[770] | 119 | sep_char = s_char |
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| 120 | break |
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[214] | 121 | |
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[770] | 122 | if sep_char: |
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[214] | 123 | |
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[770] | 124 | item_txt = item_txt.split( sep_char )[1] |
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[214] | 125 | |
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[770] | 126 | my_list.append( item_txt ) |
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[214] | 127 | |
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[770] | 128 | return my_list |
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[214] | 129 | |
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[770] | 130 | cfg = ConfigParser.ConfigParser() |
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[214] | 131 | |
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[770] | 132 | cfg.read( filename ) |
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[214] | 133 | |
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[770] | 134 | global DEBUG_LEVEL, USE_SYSLOG, SYSLOG_LEVEL, SYSLOG_FACILITY, GMETAD_CONF, ARCHIVE_XMLSOURCE |
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| 135 | global ARCHIVE_DATASOURCES, ARCHIVE_PATH, ARCHIVE_HOURS_PER_RRD, ARCHIVE_EXCLUDE_METRICS |
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[774] | 136 | global JOB_SQL_DBASE, DAEMONIZE, RRDTOOL, JOB_TIMEOUT, MODRRDTOOL, JOB_SQL_PASSWORD, JOB_SQL_USER |
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[214] | 137 | |
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[770] | 138 | ARCHIVE_PATH = cfg.get( 'DEFAULT', 'ARCHIVE_PATH' ) |
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[214] | 139 | |
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[770] | 140 | ARCHIVE_HOURS_PER_RRD = cfg.getint( 'DEFAULT', 'ARCHIVE_HOURS_PER_RRD' ) |
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[214] | 141 | |
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[770] | 142 | DEBUG_LEVEL = cfg.getint( 'DEFAULT', 'DEBUG_LEVEL' ) |
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[214] | 143 | |
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[770] | 144 | USE_SYSLOG = cfg.getboolean( 'DEFAULT', 'USE_SYSLOG' ) |
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[214] | 145 | |
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[770] | 146 | SYSLOG_LEVEL = cfg.getint( 'DEFAULT', 'SYSLOG_LEVEL' ) |
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[214] | 147 | |
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[770] | 148 | MODRRDTOOL = False |
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[375] | 149 | |
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[770] | 150 | try: |
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| 151 | global rrdtool |
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| 152 | import rrdtool |
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[214] | 153 | |
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[770] | 154 | MODRRDTOOL = True |
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[375] | 155 | |
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[770] | 156 | except ImportError: |
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[375] | 157 | |
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[770] | 158 | MODRRDTOOL = False |
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[375] | 159 | |
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[770] | 160 | print "ERROR: py-rrdtool import FAILED: failing back to DEPRECATED use of rrdtool binary. This will slow down jobarchived significantly!" |
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[375] | 161 | |
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[770] | 162 | RRDTOOL = cfg.get( 'DEFAULT', 'RRDTOOL' ) |
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[455] | 163 | |
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[770] | 164 | try: |
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[375] | 165 | |
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[770] | 166 | SYSLOG_FACILITY = eval( 'syslog.LOG_' + cfg.get( 'DEFAULT', 'SYSLOG_FACILITY' ) ) |
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[214] | 167 | |
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[770] | 168 | except AttributeError, detail: |
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[214] | 169 | |
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[770] | 170 | print 'Unknown syslog facility' |
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| 171 | sys.exit( 1 ) |
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[214] | 172 | |
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[770] | 173 | GMETAD_CONF = cfg.get( 'DEFAULT', 'GMETAD_CONF' ) |
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[214] | 174 | |
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[770] | 175 | ARCHIVE_XMLSOURCE = cfg.get( 'DEFAULT', 'ARCHIVE_XMLSOURCE' ) |
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[214] | 176 | |
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[773] | 177 | ARCHIVE_DATASOURCES = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_DATASOURCES' ) ) |
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[214] | 178 | |
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[770] | 179 | ARCHIVE_EXCLUDE_METRICS = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_EXCLUDE_METRICS' ) ) |
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[214] | 180 | |
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[770] | 181 | JOB_SQL_DBASE = cfg.get( 'DEFAULT', 'JOB_SQL_DBASE' ) |
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[774] | 182 | JOB_SQL_USER = cfg.get( 'DEFAULT', 'JOB_SQL_USER' ) |
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| 183 | JOB_SQL_PASSWORD = cfg.get( 'DEFAULT', 'JOB_SQL_PASSWORD' ) |
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[214] | 184 | |
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[770] | 185 | JOB_TIMEOUT = cfg.getint( 'DEFAULT', 'JOB_TIMEOUT' ) |
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[295] | 186 | |
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[770] | 187 | DAEMONIZE = cfg.getboolean( 'DEFAULT', 'DAEMONIZE' ) |
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[214] | 188 | |
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[224] | 189 | |
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[770] | 190 | return True |
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[214] | 191 | |
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[17] | 192 | # What XML data types not to store |
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[13] | 193 | # |
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[17] | 194 | UNSUPPORTED_ARCHIVE_TYPES = [ 'string' ] |
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[9] | 195 | |
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[47] | 196 | # Maximum time (in seconds) a parsethread may run |
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| 197 | # |
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| 198 | PARSE_TIMEOUT = 60 |
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| 199 | |
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| 200 | # Maximum time (in seconds) a storethread may run |
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| 201 | # |
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| 202 | STORE_TIMEOUT = 360 |
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| 203 | |
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[8] | 204 | """ |
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[224] | 205 | The Job Archiving Daemon |
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[8] | 206 | """ |
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| 207 | |
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[214] | 208 | from types import * |
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| 209 | |
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| 210 | import xml.sax, xml.sax.handler, socket, string, os, os.path, time, thread, threading, random, re |
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| 211 | |
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[486] | 212 | try: |
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[773] | 213 | import psycopg2 |
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[486] | 214 | |
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| 215 | except ImportError, details: |
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| 216 | |
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[773] | 217 | print "FATAL ERROR: psycopg2 python module not found" |
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[770] | 218 | sys.exit( 1 ) |
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[486] | 219 | |
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[379] | 220 | class InitVars: |
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| 221 | Vars = {} |
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| 222 | |
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| 223 | def __init__(self, **key_arg): |
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| 224 | for (key, value) in key_arg.items(): |
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| 225 | if value: |
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| 226 | self.Vars[key] = value |
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| 227 | else: |
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| 228 | self.Vars[key] = None |
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| 229 | |
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| 230 | def __call__(self, *key): |
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| 231 | key = "%s" % key |
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| 232 | return self.Vars[key] |
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| 233 | |
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| 234 | def __getitem__(self, key): |
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| 235 | return self.Vars[key] |
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| 236 | |
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| 237 | def __repr__(self): |
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| 238 | return repr(self.Vars) |
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| 239 | |
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| 240 | def keys(self): |
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| 241 | barf = map(None, self.Vars.keys()) |
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| 242 | return barf |
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| 243 | |
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| 244 | def values(self): |
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| 245 | barf = map(None, self.Vars.values()) |
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| 246 | return barf |
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| 247 | |
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| 248 | def has_key(self, key): |
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| 249 | if self.Vars.has_key(key): |
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| 250 | return 1 |
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| 251 | else: |
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| 252 | return 0 |
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| 253 | |
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| 254 | class DBError(Exception): |
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| 255 | def __init__(self, msg=''): |
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| 256 | self.msg = msg |
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| 257 | Exception.__init__(self, msg) |
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| 258 | def __repr__(self): |
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| 259 | return self.msg |
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| 260 | __str__ = __repr__ |
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| 261 | |
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| 262 | # |
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| 263 | # Class to connect to a database |
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| 264 | # and return the queury in a list or dictionairy. |
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| 265 | # |
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| 266 | class DB: |
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[773] | 267 | def __init__(self, db_vars): |
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[379] | 268 | |
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[773] | 269 | self.dict = db_vars |
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[379] | 270 | |
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[773] | 271 | if self.dict.has_key('User'): |
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| 272 | self.user = self.dict['User'] |
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| 273 | else: |
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| 274 | self.user = 'postgres' |
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[379] | 275 | |
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[773] | 276 | if self.dict.has_key('Host'): |
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| 277 | self.host = self.dict['Host'] |
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| 278 | else: |
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| 279 | self.host = 'localhost' |
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[379] | 280 | |
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[773] | 281 | if self.dict.has_key('Password'): |
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| 282 | self.passwd = self.dict['Password'] |
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| 283 | else: |
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| 284 | self.passwd = '' |
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[379] | 285 | |
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[773] | 286 | if self.dict.has_key('DataBaseName'): |
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| 287 | self.db = self.dict['DataBaseName'] |
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| 288 | else: |
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| 289 | self.db = 'jobarchive' |
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[379] | 290 | |
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[773] | 291 | # connect_string = 'host:port:database:user:password: |
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| 292 | dsn = "host='%s' dbname='%s' user='%s' password='%s'" %(self.host, self.db, self.user, self.passwd) |
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[379] | 293 | |
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[773] | 294 | try: |
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| 295 | self.SQL = psycopg2.connect(dsn) |
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| 296 | except psycopg2.Error, details: |
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| 297 | str = "%s" %details |
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| 298 | raise DBError(str) |
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[379] | 299 | |
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[773] | 300 | def __repr__(self): |
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| 301 | return repr(self.result) |
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[379] | 302 | |
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[773] | 303 | def __nonzero__(self): |
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| 304 | return not(self.result == None) |
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[379] | 305 | |
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[773] | 306 | def __len__(self): |
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| 307 | return len(self.result) |
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[379] | 308 | |
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[773] | 309 | def __getitem__(self,i): |
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| 310 | return self.result[i] |
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[379] | 311 | |
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[773] | 312 | def __getslice__(self,i,j): |
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| 313 | return self.result[i:j] |
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[379] | 314 | |
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[773] | 315 | def Get(self, q_str): |
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| 316 | c = self.SQL.cursor() |
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| 317 | try: |
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| 318 | c.execute(q_str) |
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| 319 | result = c.fetchall() |
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| 320 | except psycopg2.Error, details: |
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| 321 | c.close() |
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| 322 | str = "%s" %details |
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| 323 | raise DBError(str) |
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[379] | 324 | |
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[773] | 325 | c.close() |
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| 326 | return result |
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[379] | 327 | |
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[773] | 328 | def Set(self, q_str): |
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| 329 | c = self.SQL.cursor() |
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| 330 | try: |
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| 331 | c.execute(q_str) |
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[379] | 332 | |
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[773] | 333 | except psycopg2.Error, details: |
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| 334 | c.close() |
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| 335 | str = "%s" %details |
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| 336 | raise DBError(str) |
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[379] | 337 | |
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[773] | 338 | c.close() |
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[774] | 339 | return True |
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[379] | 340 | |
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[773] | 341 | def Commit(self): |
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[379] | 342 | |
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[792] | 343 | return self.SQL.commit() |
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| 344 | |
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| 345 | def Rollback( self ): |
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| 346 | |
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| 347 | return self.SQL.rollback() |
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| 348 | |
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[84] | 349 | class DataSQLStore: |
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| 350 | |
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[770] | 351 | db_vars = None |
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| 352 | dbc = None |
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[84] | 353 | |
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[770] | 354 | def __init__( self, hostname, database ): |
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[84] | 355 | |
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[774] | 356 | global JOB_SQL_USER, JOB_SQL_PASSWORD |
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| 357 | |
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[770] | 358 | self.db_vars = InitVars(DataBaseName=database, |
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[774] | 359 | User=JOB_SQL_USER, |
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[770] | 360 | Host=hostname, |
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[774] | 361 | Password=JOB_SQL_PASSWORD, |
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[770] | 362 | Dictionary='true') |
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[84] | 363 | |
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[770] | 364 | try: |
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| 365 | self.dbc = DB(self.db_vars) |
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| 366 | except DBError, details: |
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| 367 | debug_msg( 0, 'FATAL ERROR: Unable to connect to database!: ' +str(details) ) |
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| 368 | sys.exit(1) |
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[84] | 369 | |
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[770] | 370 | def setDatabase(self, statement): |
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[792] | 371 | |
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[770] | 372 | ret = self.doDatabase('set', statement) |
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| 373 | return ret |
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| 374 | |
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| 375 | def getDatabase(self, statement): |
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[792] | 376 | |
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[770] | 377 | ret = self.doDatabase('get', statement) |
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| 378 | return ret |
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[84] | 379 | |
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[792] | 380 | def doCommit( self ): |
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| 381 | |
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| 382 | return self.dbc.Commit() |
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| 383 | |
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| 384 | def doRollback( self ): |
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| 385 | |
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| 386 | return self.dbc.Rollback() |
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| 387 | |
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[770] | 388 | def doDatabase(self, type, statement): |
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[84] | 389 | |
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[770] | 390 | debug_msg( 10, 'doDatabase(): %s: %s' %(type, statement) ) |
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| 391 | try: |
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| 392 | if type == 'set': |
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| 393 | result = self.dbc.Set( statement ) |
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| 394 | elif type == 'get': |
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| 395 | result = self.dbc.Get( statement ) |
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| 396 | |
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| 397 | except DBError, detail: |
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| 398 | operation = statement.split(' ')[0] |
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[792] | 399 | debug_msg( 0, 'ERROR: ' +operation+ ' on database failed while doing ['+statement+'] full msg: '+str(detail) ) |
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| 400 | return False |
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[84] | 401 | |
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[770] | 402 | debug_msg( 10, 'doDatabase(): result: %s' %(result) ) |
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| 403 | return result |
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[84] | 404 | |
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[770] | 405 | def getJobNodeId( self, job_id, node_id ): |
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[191] | 406 | |
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[770] | 407 | 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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[792] | 408 | if not id: |
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| 409 | return False |
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| 410 | |
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[770] | 411 | if len( id ) > 0: |
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[191] | 412 | |
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[770] | 413 | if len( id[0] ) > 0 and id[0] != '': |
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| 414 | |
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[792] | 415 | return True |
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[191] | 416 | |
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[792] | 417 | return False |
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[191] | 418 | |
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[770] | 419 | def getNodeId( self, hostname ): |
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[84] | 420 | |
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[770] | 421 | id = self.getDatabase( "SELECT node_id FROM nodes WHERE node_hostname = '%s'" %hostname ) |
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[84] | 422 | |
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[770] | 423 | if len( id ) > 0: |
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[84] | 424 | |
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[770] | 425 | id = id[0][0] |
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[89] | 426 | |
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[770] | 427 | return id |
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| 428 | else: |
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| 429 | return None |
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[84] | 430 | |
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[770] | 431 | def getNodeIds( self, hostnames ): |
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[84] | 432 | |
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[770] | 433 | ids = [ ] |
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[84] | 434 | |
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[770] | 435 | for node in hostnames: |
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[84] | 436 | |
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[770] | 437 | id = self.getNodeId( node ) |
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[84] | 438 | |
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[770] | 439 | if id: |
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| 440 | ids.append( id ) |
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[84] | 441 | |
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[770] | 442 | return ids |
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[84] | 443 | |
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[770] | 444 | def getJobId( self, jobid ): |
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[84] | 445 | |
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[770] | 446 | id = self.getDatabase( "SELECT job_id FROM jobs WHERE job_id = '%s'" %jobid ) |
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[84] | 447 | |
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[770] | 448 | if id: |
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| 449 | id = id[0][0] |
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[84] | 450 | |
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[770] | 451 | return id |
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| 452 | else: |
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| 453 | return None |
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[84] | 454 | |
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[770] | 455 | def addJob( self, job_id, jobattrs ): |
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[84] | 456 | |
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[770] | 457 | if not self.getJobId( job_id ): |
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[84] | 458 | |
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[792] | 459 | return self.mutateJob( 'insert', job_id, jobattrs ) |
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[770] | 460 | else: |
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[792] | 461 | return self.mutateJob( 'update', job_id, jobattrs ) |
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[84] | 462 | |
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[770] | 463 | def mutateJob( self, action, job_id, jobattrs ): |
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[84] | 464 | |
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[782] | 465 | job_values = [ 'name', 'queue', 'owner', 'requested_time', 'requested_memory', 'ppn', 'status', 'start_timestamp', 'stop_timestamp' ] |
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[84] | 466 | |
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[782] | 467 | insert_col_str = 'job_id' |
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| 468 | insert_val_str = "'%s'" %job_id |
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| 469 | update_str = None |
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[84] | 470 | |
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[770] | 471 | debug_msg( 10, 'mutateJob(): %s %s' %(action,job_id)) |
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[84] | 472 | |
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[770] | 473 | ids = [ ] |
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[99] | 474 | |
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[770] | 475 | for valname, value in jobattrs.items(): |
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[84] | 476 | |
---|
[770] | 477 | if valname in job_values and value != '': |
---|
[84] | 478 | |
---|
[770] | 479 | column_name = 'job_' + valname |
---|
[84] | 480 | |
---|
[770] | 481 | if action == 'insert': |
---|
[84] | 482 | |
---|
[770] | 483 | if not insert_col_str: |
---|
| 484 | insert_col_str = column_name |
---|
| 485 | else: |
---|
| 486 | insert_col_str = insert_col_str + ',' + column_name |
---|
[84] | 487 | |
---|
[770] | 488 | if not insert_val_str: |
---|
| 489 | insert_val_str = value |
---|
| 490 | else: |
---|
| 491 | insert_val_str = insert_val_str + ",'%s'" %value |
---|
[84] | 492 | |
---|
[770] | 493 | elif action == 'update': |
---|
| 494 | |
---|
| 495 | if not update_str: |
---|
| 496 | update_str = "%s='%s'" %(column_name, value) |
---|
| 497 | else: |
---|
| 498 | update_str = update_str + ",%s='%s'" %(column_name, value) |
---|
[84] | 499 | |
---|
[770] | 500 | elif valname == 'nodes' and value: |
---|
[84] | 501 | |
---|
[770] | 502 | node_valid = 1 |
---|
[190] | 503 | |
---|
[770] | 504 | if len(value) == 1: |
---|
| 505 | |
---|
| 506 | if jobattrs['status'] == 'Q': |
---|
[190] | 507 | |
---|
[770] | 508 | node_valid = 0 |
---|
[190] | 509 | |
---|
[770] | 510 | else: |
---|
[190] | 511 | |
---|
[770] | 512 | node_valid = 0 |
---|
[190] | 513 | |
---|
[770] | 514 | for node_char in str(value[0]): |
---|
[190] | 515 | |
---|
[770] | 516 | if string.find( string.digits, node_char ) != -1 and not node_valid: |
---|
[190] | 517 | |
---|
[770] | 518 | node_valid = 1 |
---|
[84] | 519 | |
---|
[770] | 520 | if node_valid: |
---|
[191] | 521 | |
---|
[770] | 522 | ids = self.addNodes( value, jobattrs['domain'] ) |
---|
[191] | 523 | |
---|
[770] | 524 | if action == 'insert': |
---|
[84] | 525 | |
---|
[792] | 526 | db_ret = self.setDatabase( "INSERT INTO jobs ( %s ) VALUES ( %s )" %( insert_col_str, insert_val_str ) ) |
---|
[86] | 527 | |
---|
[770] | 528 | elif action == 'update': |
---|
[84] | 529 | |
---|
[792] | 530 | db_ret = self.setDatabase( "UPDATE jobs SET %s WHERE job_id='%s'" %(update_str, job_id) ) |
---|
[84] | 531 | |
---|
[770] | 532 | if len( ids ) > 0: |
---|
| 533 | self.addJobNodes( job_id, ids ) |
---|
[190] | 534 | |
---|
[792] | 535 | return db_ret |
---|
| 536 | |
---|
[770] | 537 | def addNodes( self, hostnames, domain ): |
---|
[84] | 538 | |
---|
[770] | 539 | ids = [ ] |
---|
[98] | 540 | |
---|
[770] | 541 | for node in hostnames: |
---|
[84] | 542 | |
---|
[770] | 543 | node = '%s.%s' %( node, domain ) |
---|
| 544 | id = self.getNodeId( node ) |
---|
| 545 | |
---|
| 546 | if not id: |
---|
| 547 | self.setDatabase( "INSERT INTO nodes ( node_hostname ) VALUES ( '%s' )" %node ) |
---|
| 548 | id = self.getNodeId( node ) |
---|
[84] | 549 | |
---|
[770] | 550 | ids.append( id ) |
---|
[98] | 551 | |
---|
[770] | 552 | return ids |
---|
[98] | 553 | |
---|
[770] | 554 | def addJobNodes( self, jobid, nodes ): |
---|
[86] | 555 | |
---|
[770] | 556 | for node in nodes: |
---|
[86] | 557 | |
---|
[770] | 558 | if not self.getJobNodeId( jobid, node ): |
---|
[191] | 559 | |
---|
[770] | 560 | self.addJobNode( jobid, node ) |
---|
[191] | 561 | |
---|
[770] | 562 | def addJobNode( self, jobid, nodeid ): |
---|
[84] | 563 | |
---|
[774] | 564 | self.setDatabase( "INSERT INTO job_nodes (job_id,node_id) VALUES ( '%s',%s )" %(jobid, nodeid) ) |
---|
[84] | 565 | |
---|
[770] | 566 | def storeJobInfo( self, jobid, jobattrs ): |
---|
[84] | 567 | |
---|
[792] | 568 | return self.addJob( jobid, jobattrs ) |
---|
[84] | 569 | |
---|
[770] | 570 | def checkStaleJobs( self ): |
---|
[295] | 571 | |
---|
[770] | 572 | # Locate all jobs in the database that are not set to finished |
---|
| 573 | # |
---|
| 574 | q = "SELECT * from jobs WHERE job_status != 'F'" |
---|
[295] | 575 | |
---|
[770] | 576 | r = self.getDatabase( q ) |
---|
[295] | 577 | |
---|
[770] | 578 | if len( r ) == 0: |
---|
[295] | 579 | |
---|
[770] | 580 | return None |
---|
[295] | 581 | |
---|
[770] | 582 | cleanjobs = [ ] |
---|
| 583 | timeoutjobs = [ ] |
---|
[295] | 584 | |
---|
[770] | 585 | jobtimeout_sec = JOB_TIMEOUT * (60 * 60) |
---|
| 586 | cur_time = time.time() |
---|
[295] | 587 | |
---|
[770] | 588 | for row in r: |
---|
[295] | 589 | |
---|
[770] | 590 | job_id = row[0] |
---|
| 591 | job_requested_time = row[4] |
---|
| 592 | job_status = row[7] |
---|
| 593 | job_start_timestamp = row[8] |
---|
[295] | 594 | |
---|
[770] | 595 | # If it was set to queued and we didn't see it started |
---|
| 596 | # there's not point in keeping it around |
---|
| 597 | # |
---|
| 598 | if job_status == 'Q' or not job_start_timestamp: |
---|
[295] | 599 | |
---|
[770] | 600 | cleanjobs.append( job_id ) |
---|
[295] | 601 | |
---|
[770] | 602 | else: |
---|
[295] | 603 | |
---|
[770] | 604 | start_timestamp = int( job_start_timestamp ) |
---|
[295] | 605 | |
---|
[770] | 606 | # If it was set to running longer than JOB_TIMEOUT |
---|
| 607 | # close the job: it probably finished while we were not running |
---|
| 608 | # |
---|
| 609 | if ( cur_time - start_timestamp ) > jobtimeout_sec: |
---|
[295] | 610 | |
---|
[770] | 611 | if job_requested_time: |
---|
[295] | 612 | |
---|
[770] | 613 | rtime_epoch = reqtime2epoch( job_requested_time ) |
---|
| 614 | else: |
---|
| 615 | rtime_epoch = None |
---|
| 616 | |
---|
| 617 | timeoutjobs.append( (job_id, job_start_timestamp, rtime_epoch) ) |
---|
[295] | 618 | |
---|
[770] | 619 | debug_msg( 1, 'Found ' + str( len( cleanjobs ) ) + ' stale jobs in database: deleting entries' ) |
---|
[295] | 620 | |
---|
[770] | 621 | # Purge these from database |
---|
| 622 | # |
---|
| 623 | for j in cleanjobs: |
---|
[295] | 624 | |
---|
[770] | 625 | q = "DELETE FROM jobs WHERE job_id = '" + str( j ) + "'" |
---|
| 626 | self.setDatabase( q ) |
---|
[295] | 627 | |
---|
[770] | 628 | debug_msg( 1, 'Found ' + str( len( timeoutjobs ) ) + ' timed out jobs in database: closing entries' ) |
---|
[295] | 629 | |
---|
[770] | 630 | # Close these jobs in the database |
---|
| 631 | # update the stop_timestamp to: start_timestamp + requested wallclock |
---|
| 632 | # and set state: finished |
---|
| 633 | # |
---|
| 634 | for j in timeoutjobs: |
---|
[295] | 635 | |
---|
[770] | 636 | ( i, s, r ) = j |
---|
[295] | 637 | |
---|
[770] | 638 | if r: |
---|
| 639 | new_end_timestamp = int( s ) + r |
---|
[295] | 640 | |
---|
[770] | 641 | q = "UPDATE jobs SET job_status='F',job_stop_timestamp = '" + str( new_end_timestamp ) + "' WHERE job_id = '" + str(i) + "'" |
---|
| 642 | self.setDatabase( q ) |
---|
[295] | 643 | |
---|
[37] | 644 | class RRDMutator: |
---|
[770] | 645 | """A class for performing RRD mutations""" |
---|
[37] | 646 | |
---|
[770] | 647 | binary = None |
---|
[37] | 648 | |
---|
[770] | 649 | def __init__( self, binary=None ): |
---|
| 650 | """Set alternate binary if supplied""" |
---|
[37] | 651 | |
---|
[770] | 652 | if binary: |
---|
| 653 | self.binary = binary |
---|
[37] | 654 | |
---|
[770] | 655 | def create( self, filename, args ): |
---|
| 656 | """Create a new rrd with args""" |
---|
[63] | 657 | |
---|
[770] | 658 | global MODRRDTOOL |
---|
[37] | 659 | |
---|
[770] | 660 | if MODRRDTOOL: |
---|
| 661 | return self.perform( 'create', filename, args ) |
---|
| 662 | else: |
---|
| 663 | return self.perform( 'create', '"' + filename + '"', args ) |
---|
[375] | 664 | |
---|
[770] | 665 | def update( self, filename, args ): |
---|
| 666 | """Update a rrd with args""" |
---|
[63] | 667 | |
---|
[770] | 668 | global MODRRDTOOL |
---|
[37] | 669 | |
---|
[770] | 670 | if MODRRDTOOL: |
---|
| 671 | return self.perform( 'update', filename, args ) |
---|
| 672 | else: |
---|
| 673 | return self.perform( 'update', '"' + filename + '"', args ) |
---|
[375] | 674 | |
---|
[770] | 675 | def grabLastUpdate( self, filename ): |
---|
| 676 | """Determine the last update time of filename rrd""" |
---|
[42] | 677 | |
---|
[770] | 678 | global MODRRDTOOL |
---|
[375] | 679 | |
---|
[770] | 680 | last_update = 0 |
---|
[42] | 681 | |
---|
[770] | 682 | # Use the py-rrdtool module if it's available on this system |
---|
| 683 | # |
---|
| 684 | if MODRRDTOOL: |
---|
[53] | 685 | |
---|
[770] | 686 | debug_msg( 8, 'rrdtool.info( ' + filename + ' )' ) |
---|
[42] | 687 | |
---|
[770] | 688 | rrd_header = { } |
---|
[292] | 689 | |
---|
[770] | 690 | try: |
---|
| 691 | rrd_header = rrdtool.info( filename ) |
---|
| 692 | except rrdtool.error, msg: |
---|
| 693 | debug_msg( 8, str( msg ) ) |
---|
[375] | 694 | |
---|
[770] | 695 | if rrd_header.has_key( 'last_update' ): |
---|
| 696 | return last_update |
---|
| 697 | else: |
---|
| 698 | return 0 |
---|
[375] | 699 | |
---|
[770] | 700 | # For backwards compatiblity: use the rrdtool binary if py-rrdtool is unavailable |
---|
| 701 | # DEPRECATED (slow!) |
---|
| 702 | # |
---|
| 703 | else: |
---|
| 704 | debug_msg( 8, self.binary + ' info ' + filename ) |
---|
[42] | 705 | |
---|
[770] | 706 | my_pipe = os.popen( self.binary + ' info "' + filename + '"' ) |
---|
[375] | 707 | |
---|
[770] | 708 | for line in my_pipe.readlines(): |
---|
[375] | 709 | |
---|
[770] | 710 | if line.find( 'last_update') != -1: |
---|
[375] | 711 | |
---|
[770] | 712 | last_update = line.split( ' = ' )[1] |
---|
[375] | 713 | |
---|
[770] | 714 | if my_pipe: |
---|
[375] | 715 | |
---|
[770] | 716 | my_pipe.close() |
---|
[375] | 717 | |
---|
[770] | 718 | if last_update: |
---|
| 719 | return last_update |
---|
| 720 | else: |
---|
| 721 | return 0 |
---|
[375] | 722 | |
---|
| 723 | |
---|
[770] | 724 | def perform( self, action, filename, args ): |
---|
| 725 | """Perform action on rrd filename with args""" |
---|
[37] | 726 | |
---|
[770] | 727 | global MODRRDTOOL |
---|
[375] | 728 | |
---|
[770] | 729 | arg_string = None |
---|
[37] | 730 | |
---|
[770] | 731 | if type( args ) is not ListType: |
---|
| 732 | debug_msg( 8, 'Arguments needs to be of type List' ) |
---|
| 733 | return 1 |
---|
[40] | 734 | |
---|
[770] | 735 | for arg in args: |
---|
[37] | 736 | |
---|
[770] | 737 | if not arg_string: |
---|
[37] | 738 | |
---|
[770] | 739 | arg_string = arg |
---|
| 740 | else: |
---|
| 741 | arg_string = arg_string + ' ' + arg |
---|
[37] | 742 | |
---|
[770] | 743 | if MODRRDTOOL: |
---|
[37] | 744 | |
---|
[770] | 745 | debug_msg( 8, 'rrdtool.' + action + "( " + filename + ' ' + arg_string + ")" ) |
---|
[292] | 746 | |
---|
[770] | 747 | try: |
---|
| 748 | debug_msg( 8, "filename '" + str(filename) + "' type "+ str(type(filename)) + " args " + str( args ) ) |
---|
[37] | 749 | |
---|
[770] | 750 | if action == 'create': |
---|
[146] | 751 | |
---|
[770] | 752 | rrdtool.create( str( filename ), *args ) |
---|
[37] | 753 | |
---|
[770] | 754 | elif action == 'update': |
---|
[37] | 755 | |
---|
[770] | 756 | rrdtool.update( str( filename ), *args ) |
---|
[365] | 757 | |
---|
[770] | 758 | except rrdtool.error, msg: |
---|
[365] | 759 | |
---|
[770] | 760 | error_msg = str( msg ) |
---|
| 761 | debug_msg( 8, error_msg ) |
---|
| 762 | return 1 |
---|
[375] | 763 | |
---|
[770] | 764 | else: |
---|
[375] | 765 | |
---|
[770] | 766 | debug_msg( 8, self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
[375] | 767 | |
---|
[770] | 768 | cmd = os.popen( self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
| 769 | lines = cmd.readlines() |
---|
[375] | 770 | |
---|
[770] | 771 | cmd.close() |
---|
[375] | 772 | |
---|
[770] | 773 | for line in lines: |
---|
[375] | 774 | |
---|
[770] | 775 | if line.find( 'ERROR' ) != -1: |
---|
[375] | 776 | |
---|
[770] | 777 | error_msg = string.join( line.split( ' ' )[1:] ) |
---|
| 778 | debug_msg( 8, error_msg ) |
---|
| 779 | return 1 |
---|
[375] | 780 | |
---|
[770] | 781 | return 0 |
---|
[37] | 782 | |
---|
[78] | 783 | class XMLProcessor: |
---|
[770] | 784 | """Skeleton class for XML processor's""" |
---|
[78] | 785 | |
---|
[770] | 786 | def run( self ): |
---|
| 787 | """Do main processing of XML here""" |
---|
[78] | 788 | |
---|
[770] | 789 | pass |
---|
[78] | 790 | |
---|
[782] | 791 | class JobXMLProcessor( XMLProcessor ): |
---|
[770] | 792 | """Main class for processing XML and acting with it""" |
---|
[78] | 793 | |
---|
[770] | 794 | def __init__( self, XMLSource, DataStore ): |
---|
| 795 | """Setup initial XML connection and handlers""" |
---|
[78] | 796 | |
---|
[782] | 797 | self.myXMLSource = XMLSource |
---|
| 798 | self.myXMLHandler = JobXMLHandler( DataStore ) |
---|
| 799 | self.myXMLError = XMLErrorHandler() |
---|
[78] | 800 | |
---|
[782] | 801 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
[287] | 802 | |
---|
[782] | 803 | self.kill_thread = False |
---|
| 804 | |
---|
| 805 | def killThread( self ): |
---|
| 806 | |
---|
| 807 | self.kill_thread = True |
---|
| 808 | |
---|
[770] | 809 | def run( self ): |
---|
| 810 | """Main XML processing""" |
---|
[78] | 811 | |
---|
[782] | 812 | debug_msg( 1, 'job_xml_thread(): started.' ) |
---|
[87] | 813 | |
---|
[770] | 814 | while( 1 ): |
---|
[78] | 815 | |
---|
[782] | 816 | debug_msg( 1, 'job_xml_thread(): Retrieving XML data..' ) |
---|
[176] | 817 | |
---|
[770] | 818 | my_data = self.myXMLSource.getData() |
---|
[287] | 819 | |
---|
[782] | 820 | debug_msg( 1, 'job_xml_thread(): Done retrieving: data size %d' %len(my_data) ) |
---|
[469] | 821 | |
---|
[770] | 822 | if my_data: |
---|
[782] | 823 | debug_msg( 1, 'job_xml_thread(): Parsing XML..' ) |
---|
[469] | 824 | |
---|
[770] | 825 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
[469] | 826 | |
---|
[782] | 827 | debug_msg( 1, 'job_xml_thread(): Done parsing.' ) |
---|
[774] | 828 | else: |
---|
[782] | 829 | debug_msg( 1, 'job_xml_thread(): Got no data.' ) |
---|
[774] | 830 | |
---|
[782] | 831 | if self.kill_thread: |
---|
| 832 | |
---|
| 833 | debug_msg( 1, 'job_xml_thread(): killed.' ) |
---|
| 834 | return None |
---|
[770] | 835 | |
---|
[782] | 836 | debug_msg( 1, 'job_xml_thread(): Sleeping.. (%ss)' %(str( self.config.getLowestInterval() ) ) ) |
---|
[770] | 837 | time.sleep( self.config.getLowestInterval() ) |
---|
[78] | 838 | |
---|
[782] | 839 | class JobXMLHandler( xml.sax.handler.ContentHandler ): |
---|
| 840 | """Parse Job's jobinfo XML from our plugin""" |
---|
[63] | 841 | |
---|
[770] | 842 | def __init__( self, datastore ): |
---|
[84] | 843 | |
---|
[782] | 844 | self.ds = datastore |
---|
| 845 | self.jobs_processed = [ ] |
---|
| 846 | self.jobs_to_store = [ ] |
---|
| 847 | self.jobAttrs = { } |
---|
| 848 | self.jobAttrsSaved = { } |
---|
| 849 | |
---|
[774] | 850 | debug_msg( 1, "XML: Handler created" ) |
---|
[84] | 851 | |
---|
[770] | 852 | def startDocument( self ): |
---|
[183] | 853 | |
---|
[782] | 854 | self.jobs_processed = [ ] |
---|
| 855 | self.heartbeat = 0 |
---|
| 856 | self.elementct = 0 |
---|
| 857 | |
---|
[774] | 858 | debug_msg( 1, "XML: Start document" ) |
---|
[183] | 859 | |
---|
[770] | 860 | def startElement( self, name, attrs ): |
---|
| 861 | """ |
---|
| 862 | This XML will be all gmetric XML |
---|
| 863 | so there will be no specific start/end element |
---|
| 864 | just one XML statement with all info |
---|
| 865 | """ |
---|
[782] | 866 | |
---|
[770] | 867 | jobinfo = { } |
---|
[63] | 868 | |
---|
[770] | 869 | self.elementct += 1 |
---|
[365] | 870 | |
---|
[770] | 871 | if name == 'CLUSTER': |
---|
[63] | 872 | |
---|
[770] | 873 | self.clustername = str( attrs.get( 'NAME', "" ) ) |
---|
[199] | 874 | |
---|
[770] | 875 | elif name == 'METRIC' and self.clustername in ARCHIVE_DATASOURCES: |
---|
[199] | 876 | |
---|
[770] | 877 | metricname = str( attrs.get( 'NAME', "" ) ) |
---|
[63] | 878 | |
---|
[772] | 879 | if metricname == 'zplugin_monarch_heartbeat': |
---|
[782] | 880 | |
---|
[770] | 881 | self.heartbeat = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 882 | |
---|
[772] | 883 | elif metricname.find( 'zplugin_monarch_job' ) != -1: |
---|
[63] | 884 | |
---|
[782] | 885 | job_id = metricname.split( 'zplugin_monarch_job_' )[1].split( '_' )[1] |
---|
| 886 | val = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 887 | |
---|
[770] | 888 | valinfo = val.split( ' ' ) |
---|
[63] | 889 | |
---|
[770] | 890 | for myval in valinfo: |
---|
[63] | 891 | |
---|
[770] | 892 | if len( myval.split( '=' ) ) > 1: |
---|
[63] | 893 | |
---|
[782] | 894 | valname = myval.split( '=' )[0] |
---|
| 895 | value = myval.split( '=' )[1] |
---|
[70] | 896 | |
---|
[770] | 897 | if valname == 'nodes': |
---|
[782] | 898 | |
---|
[770] | 899 | value = value.split( ';' ) |
---|
[72] | 900 | |
---|
[770] | 901 | jobinfo[ valname ] = value |
---|
[84] | 902 | |
---|
[782] | 903 | self.jobAttrs[ job_id ] = jobinfo |
---|
[84] | 904 | |
---|
[782] | 905 | self.jobs_processed.append( job_id ) |
---|
[770] | 906 | |
---|
| 907 | def endDocument( self ): |
---|
| 908 | """When all metrics have gone, check if any jobs have finished""" |
---|
[72] | 909 | |
---|
[783] | 910 | jobs_finished = [ ] |
---|
| 911 | |
---|
[782] | 912 | debug_msg( 1, "XML: Processed "+str(self.elementct)+ " elements - found "+str(len(self.jobs_processed))+" jobs" ) |
---|
[365] | 913 | |
---|
[782] | 914 | if self.heartbeat == 0: |
---|
| 915 | return None |
---|
[74] | 916 | |
---|
[782] | 917 | for jobid, jobinfo in self.jobAttrs.items(): |
---|
[102] | 918 | |
---|
[782] | 919 | if jobinfo['reported'] != self.heartbeat: |
---|
[74] | 920 | |
---|
[782] | 921 | if (jobinfo['status'] != 'R'): |
---|
| 922 | debug_msg( 1, 'job %s report time %s does not match current heartbeat %s : ignoring job' %(jobid, jobinfo['reported'], self.heartbeat ) ) |
---|
| 923 | del self.jobAttrs[ jobid ] |
---|
[96] | 924 | |
---|
[782] | 925 | if jobid in self.jobs_to_store: |
---|
| 926 | del self.jobs_to_store[ jobid ] |
---|
| 927 | |
---|
| 928 | continue |
---|
| 929 | |
---|
| 930 | elif jobid not in self.jobs_processed: |
---|
[783] | 931 | |
---|
[782] | 932 | # Was running previous heartbeat but not anymore: must be finished |
---|
[770] | 933 | self.jobAttrs[ jobid ]['status'] = 'F' |
---|
| 934 | self.jobAttrs[ jobid ]['stop_timestamp'] = str( self.heartbeat ) |
---|
[782] | 935 | debug_msg( 1, 'job %s appears to have finished' %jobid ) |
---|
[96] | 936 | |
---|
[783] | 937 | jobs_finished.append( jobid ) |
---|
| 938 | |
---|
[770] | 939 | if not jobid in self.jobs_to_store: |
---|
| 940 | self.jobs_to_store.append( jobid ) |
---|
[74] | 941 | |
---|
[782] | 942 | continue |
---|
[87] | 943 | |
---|
[782] | 944 | elif self.jobAttrsSaved.has_key( jobid ): |
---|
[84] | 945 | |
---|
[783] | 946 | # This should pretty much never happen, but hey let's be careful |
---|
| 947 | # Perhaps if someone altered their job while in queue with qalter |
---|
| 948 | |
---|
[782] | 949 | if self.jobinfoChanged( jobid, jobinfo ): |
---|
[184] | 950 | |
---|
[782] | 951 | self.jobAttrs[ jobid ]['stop_timestamp'] = '' |
---|
| 952 | self.jobAttrs[ jobid ] = self.setJobAttrs( self.jobAttrs[ jobid ], jobinfo ) |
---|
[184] | 953 | |
---|
[782] | 954 | if not jobid in self.jobs_to_store: |
---|
[87] | 955 | |
---|
[782] | 956 | self.jobs_to_store.append( jobid ) |
---|
[84] | 957 | |
---|
[782] | 958 | debug_msg( 10, 'jobinfo for job %s has changed' %jobid ) |
---|
| 959 | else: |
---|
| 960 | debug_msg( 1, 'new job %s' %jobid ) |
---|
| 961 | |
---|
| 962 | if not jobid in self.jobs_to_store: |
---|
| 963 | |
---|
| 964 | self.jobs_to_store.append( jobid ) |
---|
| 965 | |
---|
| 966 | debug_msg( 1, 'job_xml_thread(): Found %s updated jobs.' %len(self.jobs_to_store) ) |
---|
| 967 | |
---|
[792] | 968 | failed_store = [ ] |
---|
| 969 | succes_store = [ ] |
---|
| 970 | |
---|
[782] | 971 | if len( self.jobs_to_store ) > 0: |
---|
| 972 | |
---|
| 973 | debug_msg( 1, 'job_xml_thread(): Storing jobs to database..' ) |
---|
| 974 | |
---|
[792] | 975 | for n in range( 0, len(self.jobs_to_store ) ): |
---|
[782] | 976 | |
---|
[792] | 977 | if len( self.jobs_to_store ) == 0: |
---|
| 978 | break |
---|
| 979 | |
---|
[782] | 980 | jobid = self.jobs_to_store.pop( 0 ) |
---|
| 981 | |
---|
[792] | 982 | db_ok = self.ds.storeJobInfo( jobid, self.jobAttrs[ jobid ] ) |
---|
[782] | 983 | |
---|
[792] | 984 | if not db_ok: |
---|
| 985 | |
---|
| 986 | self.ds.doRollback() |
---|
| 987 | failed_store.append( jobid ) |
---|
| 988 | continue |
---|
| 989 | |
---|
| 990 | self.ds.doCommit() |
---|
| 991 | succes_store.append( jobid ) |
---|
| 992 | |
---|
[783] | 993 | if not jobid in jobs_finished: |
---|
[782] | 994 | |
---|
[783] | 995 | self.jobAttrsSaved[ jobid ] = self.jobAttrs[ jobid ] |
---|
| 996 | |
---|
| 997 | elif self.jobAttrsSaved.has_key( jobid ): |
---|
| 998 | |
---|
| 999 | del self.jobAttrsSaved[ jobid ] |
---|
| 1000 | |
---|
[782] | 1001 | if self.jobAttrs[ jobid ]['status'] == 'F': |
---|
| 1002 | |
---|
| 1003 | del self.jobAttrs[ jobid ] |
---|
| 1004 | |
---|
[792] | 1005 | result_str = 'succesfully stored: %s jobs' %str(len(succes_store)) |
---|
[782] | 1006 | |
---|
[792] | 1007 | if len( failed_store ) > 0: |
---|
| 1008 | result_str = result_str + ' - failed to store: %s jobs - deferred to next interval' %str(len(failed_store)) |
---|
| 1009 | |
---|
| 1010 | debug_msg( 1, 'job_xml_thread(): Done storing. %s' %result_str ) |
---|
| 1011 | |
---|
[782] | 1012 | else: |
---|
| 1013 | debug_msg( 1, 'job_xml_thread(): No jobs to store.' ) |
---|
| 1014 | |
---|
| 1015 | self.jobs_processed = [ ] |
---|
| 1016 | |
---|
[783] | 1017 | # TODO: once in while check database AND self.jobAttrsSaved for stale jobs |
---|
| 1018 | |
---|
[770] | 1019 | def setJobAttrs( self, old, new ): |
---|
| 1020 | """ |
---|
| 1021 | Set new job attributes in old, but not lose existing fields |
---|
| 1022 | if old attributes doesn't have those |
---|
| 1023 | """ |
---|
[82] | 1024 | |
---|
[770] | 1025 | for valname, value in new.items(): |
---|
| 1026 | old[ valname ] = value |
---|
[82] | 1027 | |
---|
[770] | 1028 | return old |
---|
| 1029 | |
---|
[82] | 1030 | |
---|
[782] | 1031 | def jobinfoChanged( self, jobid, jobinfo ): |
---|
[770] | 1032 | """ |
---|
| 1033 | Check if jobinfo has changed from jobattrs[jobid] |
---|
| 1034 | if it's report time is bigger than previous one |
---|
| 1035 | and it is report time is recent (equal to heartbeat) |
---|
| 1036 | """ |
---|
[72] | 1037 | |
---|
[770] | 1038 | ignore_changes = [ 'reported' ] |
---|
[87] | 1039 | |
---|
[782] | 1040 | if self.jobAttrsSaved.has_key( jobid ): |
---|
[73] | 1041 | |
---|
[770] | 1042 | for valname, value in jobinfo.items(): |
---|
[73] | 1043 | |
---|
[770] | 1044 | if valname not in ignore_changes: |
---|
[73] | 1045 | |
---|
[782] | 1046 | if self.jobAttrsSaved[ jobid ].has_key( valname ): |
---|
[73] | 1047 | |
---|
[782] | 1048 | if value != self.jobAttrsSaved[ jobid ][ valname ]: |
---|
[73] | 1049 | |
---|
[782] | 1050 | if jobinfo['reported'] > self.jobAttrsSaved[ jobid ][ 'reported' ]: |
---|
| 1051 | |
---|
| 1052 | debug_msg( 1, "job %s field '%s' changed since saved from: %s to: %s" %( jobid, valname, value, self.jobAttrsSaved[ jobid ][ valname ] ) ) |
---|
| 1053 | |
---|
[770] | 1054 | return True |
---|
[73] | 1055 | |
---|
[770] | 1056 | else: |
---|
[782] | 1057 | debug_msg( 1, "job %s did not have field '%s'" %( jobid, valname ) ) |
---|
[770] | 1058 | return True |
---|
[87] | 1059 | |
---|
[770] | 1060 | return False |
---|
[73] | 1061 | |
---|
[71] | 1062 | class GangliaXMLHandler( xml.sax.handler.ContentHandler ): |
---|
[770] | 1063 | """Parse Ganglia's XML""" |
---|
[3] | 1064 | |
---|
[770] | 1065 | def __init__( self, config, datastore ): |
---|
| 1066 | """Setup initial variables and gather info on existing rrd archive""" |
---|
[63] | 1067 | |
---|
[770] | 1068 | self.config = config |
---|
| 1069 | self.clusters = { } |
---|
| 1070 | self.ds = datastore |
---|
[324] | 1071 | |
---|
[770] | 1072 | debug_msg( 1, 'Checking database..' ) |
---|
[365] | 1073 | |
---|
[770] | 1074 | global DEBUG_LEVEL |
---|
[365] | 1075 | |
---|
[770] | 1076 | if DEBUG_LEVEL <= 2: |
---|
| 1077 | self.ds.checkStaleJobs() |
---|
[365] | 1078 | |
---|
[770] | 1079 | debug_msg( 1, 'Check done.' ) |
---|
| 1080 | debug_msg( 1, 'Checking rrd archive..' ) |
---|
| 1081 | self.gatherClusters() |
---|
| 1082 | debug_msg( 1, 'Check done.' ) |
---|
[33] | 1083 | |
---|
[770] | 1084 | def gatherClusters( self ): |
---|
| 1085 | """Find all existing clusters in archive dir""" |
---|
[44] | 1086 | |
---|
[770] | 1087 | archive_dir = check_dir(ARCHIVE_PATH) |
---|
[44] | 1088 | |
---|
[770] | 1089 | hosts = [ ] |
---|
[44] | 1090 | |
---|
[770] | 1091 | if os.path.exists( archive_dir ): |
---|
[44] | 1092 | |
---|
[770] | 1093 | dirlist = os.listdir( archive_dir ) |
---|
[44] | 1094 | |
---|
[770] | 1095 | for cfgcluster in ARCHIVE_DATASOURCES: |
---|
[369] | 1096 | |
---|
[770] | 1097 | if cfgcluster not in dirlist: |
---|
[369] | 1098 | |
---|
[770] | 1099 | # Autocreate a directory for this cluster |
---|
| 1100 | # assume it is new |
---|
| 1101 | # |
---|
| 1102 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), cfgcluster ) |
---|
[369] | 1103 | |
---|
[770] | 1104 | os.mkdir( cluster_dir ) |
---|
[369] | 1105 | |
---|
[770] | 1106 | dirlist.append( cfgcluster ) |
---|
[370] | 1107 | |
---|
[770] | 1108 | for item in dirlist: |
---|
[44] | 1109 | |
---|
[770] | 1110 | clustername = item |
---|
[44] | 1111 | |
---|
[770] | 1112 | if not self.clusters.has_key( clustername ) and clustername in ARCHIVE_DATASOURCES: |
---|
[44] | 1113 | |
---|
[770] | 1114 | self.clusters[ clustername ] = RRDHandler( self.config, clustername ) |
---|
[44] | 1115 | |
---|
[770] | 1116 | debug_msg( 9, "Found "+str(len(self.clusters.keys()))+" clusters" ) |
---|
[365] | 1117 | |
---|
[770] | 1118 | def startElement( self, name, attrs ): |
---|
| 1119 | """Memorize appropriate data from xml start tags""" |
---|
[3] | 1120 | |
---|
[770] | 1121 | if name == 'GANGLIA_XML': |
---|
[32] | 1122 | |
---|
[782] | 1123 | self.XMLSource = str( attrs.get( 'SOURCE', "" ) ) |
---|
| 1124 | self.gangliaVersion = str( attrs.get( 'VERSION', "" ) ) |
---|
[32] | 1125 | |
---|
[770] | 1126 | debug_msg( 10, 'Found XML data: source %s version %s' %( self.XMLSource, self.gangliaVersion ) ) |
---|
[6] | 1127 | |
---|
[770] | 1128 | elif name == 'GRID': |
---|
[32] | 1129 | |
---|
[770] | 1130 | self.gridName = str( attrs.get( 'NAME', "" ) ) |
---|
| 1131 | self.time = str( attrs.get( 'LOCALTIME', "" ) ) |
---|
[32] | 1132 | |
---|
[770] | 1133 | debug_msg( 10, '`-Grid found: %s' %( self.gridName ) ) |
---|
[6] | 1134 | |
---|
[770] | 1135 | elif name == 'CLUSTER': |
---|
[32] | 1136 | |
---|
[782] | 1137 | self.clusterName = str( attrs.get( 'NAME', "" ) ) |
---|
[770] | 1138 | self.time = str( attrs.get( 'LOCALTIME', "" ) ) |
---|
[32] | 1139 | |
---|
[770] | 1140 | if not self.clusters.has_key( self.clusterName ) and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[32] | 1141 | |
---|
[770] | 1142 | self.clusters[ self.clusterName ] = RRDHandler( self.config, self.clusterName ) |
---|
[33] | 1143 | |
---|
[770] | 1144 | debug_msg( 10, ' |-Cluster found: %s' %( self.clusterName ) ) |
---|
[6] | 1145 | |
---|
[770] | 1146 | elif name == 'HOST' and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[32] | 1147 | |
---|
[782] | 1148 | self.hostName = str( attrs.get( 'NAME', "" ) ) |
---|
| 1149 | self.hostIp = str( attrs.get( 'IP', "" ) ) |
---|
| 1150 | self.hostReported = str( attrs.get( 'REPORTED', "" ) ) |
---|
[32] | 1151 | |
---|
[770] | 1152 | debug_msg( 10, ' | |-Host found: %s - ip %s reported %s' %( self.hostName, self.hostIp, self.hostReported ) ) |
---|
[6] | 1153 | |
---|
[770] | 1154 | elif name == 'METRIC' and self.clusterName in ARCHIVE_DATASOURCES: |
---|
[6] | 1155 | |
---|
[770] | 1156 | type = str( attrs.get( 'TYPE', "" ) ) |
---|
| 1157 | |
---|
| 1158 | exclude_metric = False |
---|
| 1159 | |
---|
| 1160 | for ex_metricstr in ARCHIVE_EXCLUDE_METRICS: |
---|
[6] | 1161 | |
---|
[770] | 1162 | orig_name = str( attrs.get( 'NAME', "" ) ) |
---|
[3] | 1163 | |
---|
[770] | 1164 | if string.lower( orig_name ) == string.lower( ex_metricstr ): |
---|
| 1165 | |
---|
| 1166 | exclude_metric = True |
---|
[198] | 1167 | |
---|
[770] | 1168 | elif re.match( ex_metricstr, orig_name ): |
---|
[198] | 1169 | |
---|
[770] | 1170 | exclude_metric = True |
---|
[198] | 1171 | |
---|
[770] | 1172 | if type not in UNSUPPORTED_ARCHIVE_TYPES and not exclude_metric: |
---|
[198] | 1173 | |
---|
[782] | 1174 | myMetric = { } |
---|
| 1175 | myMetric['name'] = str( attrs.get( 'NAME', "" ) ) |
---|
| 1176 | myMetric['val'] = str( attrs.get( 'VAL', "" ) ) |
---|
| 1177 | myMetric['time'] = self.hostReported |
---|
[3] | 1178 | |
---|
[770] | 1179 | self.clusters[ self.clusterName ].memMetric( self.hostName, myMetric ) |
---|
[3] | 1180 | |
---|
[770] | 1181 | debug_msg( 11, ' | | |-metric: %s:%s' %( myMetric['name'], myMetric['val'] ) ) |
---|
[6] | 1182 | |
---|
[770] | 1183 | def storeMetrics( self ): |
---|
| 1184 | """Store metrics of each cluster rrd handler""" |
---|
[9] | 1185 | |
---|
[770] | 1186 | for clustername, rrdh in self.clusters.items(): |
---|
[16] | 1187 | |
---|
[770] | 1188 | ret = rrdh.storeMetrics() |
---|
[9] | 1189 | |
---|
[770] | 1190 | if ret: |
---|
| 1191 | debug_msg( 9, 'An error occured while storing metrics for cluster %s' %clustername ) |
---|
| 1192 | return 1 |
---|
[38] | 1193 | |
---|
[770] | 1194 | return 0 |
---|
[38] | 1195 | |
---|
[71] | 1196 | class XMLErrorHandler( xml.sax.handler.ErrorHandler ): |
---|
| 1197 | |
---|
[770] | 1198 | def error( self, exception ): |
---|
| 1199 | """Recoverable error""" |
---|
[71] | 1200 | |
---|
[770] | 1201 | debug_msg( 0, 'Recoverable XML error ' + str( exception ) + ' ignored.' ) |
---|
[71] | 1202 | |
---|
[770] | 1203 | def fatalError( self, exception ): |
---|
| 1204 | """Non-recoverable error""" |
---|
[71] | 1205 | |
---|
[770] | 1206 | exception_str = str( exception ) |
---|
[71] | 1207 | |
---|
[770] | 1208 | # Ignore 'no element found' errors |
---|
| 1209 | if exception_str.find( 'no element found' ) != -1: |
---|
| 1210 | debug_msg( 0, 'No XML data found: Socket not (re)connected or datasource not available.' ) |
---|
| 1211 | return 0 |
---|
[71] | 1212 | |
---|
[770] | 1213 | debug_msg( 0, 'FATAL ERROR: Non-recoverable XML error ' + str( exception ) ) |
---|
| 1214 | sys.exit( 1 ) |
---|
[71] | 1215 | |
---|
[770] | 1216 | def warning( self, exception ): |
---|
| 1217 | """Warning""" |
---|
[71] | 1218 | |
---|
[770] | 1219 | debug_msg( 0, 'Warning ' + str( exception ) ) |
---|
[71] | 1220 | |
---|
[78] | 1221 | class XMLGatherer: |
---|
[770] | 1222 | """Setup a connection and file object to Ganglia's XML""" |
---|
[3] | 1223 | |
---|
[770] | 1224 | s = None |
---|
| 1225 | fd = None |
---|
| 1226 | data = None |
---|
| 1227 | slot = None |
---|
[8] | 1228 | |
---|
[770] | 1229 | # Time since the last update |
---|
| 1230 | # |
---|
| 1231 | LAST_UPDATE = 0 |
---|
[287] | 1232 | |
---|
[770] | 1233 | # Minimum interval between updates |
---|
| 1234 | # |
---|
| 1235 | MIN_UPDATE_INT = 10 |
---|
[287] | 1236 | |
---|
[770] | 1237 | # Is a update occuring now |
---|
| 1238 | # |
---|
| 1239 | update_now = False |
---|
[287] | 1240 | |
---|
[770] | 1241 | def __init__( self, host, port ): |
---|
| 1242 | """Store host and port for connection""" |
---|
[8] | 1243 | |
---|
[770] | 1244 | self.host = host |
---|
| 1245 | self.port = port |
---|
[782] | 1246 | self.slot = threading.Lock() |
---|
[3] | 1247 | |
---|
[770] | 1248 | self.retrieveData() |
---|
[287] | 1249 | |
---|
[770] | 1250 | def retrieveData( self ): |
---|
| 1251 | """Setup connection to XML source""" |
---|
[8] | 1252 | |
---|
[770] | 1253 | self.update_now = True |
---|
[287] | 1254 | |
---|
[770] | 1255 | self.slot.acquire() |
---|
[293] | 1256 | |
---|
[770] | 1257 | self.data = None |
---|
[469] | 1258 | |
---|
[770] | 1259 | for res in socket.getaddrinfo( self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM ): |
---|
[32] | 1260 | |
---|
[770] | 1261 | af, socktype, proto, canonname, sa = res |
---|
[32] | 1262 | |
---|
[770] | 1263 | try: |
---|
[32] | 1264 | |
---|
[770] | 1265 | self.s = socket.socket( af, socktype, proto ) |
---|
[32] | 1266 | |
---|
[770] | 1267 | except ( socket.error, socket.gaierror, socket.herror, socket.timeout ), msg: |
---|
[32] | 1268 | |
---|
[770] | 1269 | self.s = None |
---|
| 1270 | continue |
---|
[32] | 1271 | |
---|
[773] | 1272 | try: |
---|
[32] | 1273 | |
---|
[770] | 1274 | self.s.connect( sa ) |
---|
[32] | 1275 | |
---|
[773] | 1276 | except ( socket.error, socket.gaierror, socket.herror, socket.timeout ), msg: |
---|
[32] | 1277 | |
---|
[770] | 1278 | self.disconnect() |
---|
| 1279 | continue |
---|
[32] | 1280 | |
---|
[773] | 1281 | break |
---|
[3] | 1282 | |
---|
[770] | 1283 | if self.s is None: |
---|
[32] | 1284 | |
---|
[770] | 1285 | debug_msg( 0, 'FATAL ERROR: Could not open socket or unable to connect to datasource!' ) |
---|
| 1286 | self.update_now = False |
---|
| 1287 | #sys.exit( 1 ) |
---|
[5] | 1288 | |
---|
[770] | 1289 | else: |
---|
| 1290 | #self.s.send( '\n' ) |
---|
[287] | 1291 | |
---|
[770] | 1292 | my_fp = self.s.makefile( 'r' ) |
---|
[773] | 1293 | my_data = my_fp.readlines() |
---|
| 1294 | my_data = string.join( my_data, '' ) |
---|
[287] | 1295 | |
---|
[770] | 1296 | self.data = my_data |
---|
[287] | 1297 | |
---|
[773] | 1298 | self.LAST_UPDATE = time.time() |
---|
[287] | 1299 | |
---|
[770] | 1300 | self.slot.release() |
---|
[293] | 1301 | |
---|
[770] | 1302 | self.update_now = False |
---|
[287] | 1303 | |
---|
[770] | 1304 | def disconnect( self ): |
---|
| 1305 | """Close socket""" |
---|
[33] | 1306 | |
---|
[770] | 1307 | if self.s: |
---|
| 1308 | #self.s.shutdown( 2 ) |
---|
| 1309 | self.s.close() |
---|
| 1310 | self.s = None |
---|
[33] | 1311 | |
---|
[770] | 1312 | def __del__( self ): |
---|
| 1313 | """Kill the socket before we leave""" |
---|
[33] | 1314 | |
---|
[770] | 1315 | self.disconnect() |
---|
[33] | 1316 | |
---|
[770] | 1317 | def reGetData( self ): |
---|
| 1318 | """Reconnect""" |
---|
[33] | 1319 | |
---|
[770] | 1320 | while self.update_now: |
---|
[287] | 1321 | |
---|
[770] | 1322 | # Must be another update in progress: |
---|
| 1323 | # Wait until the update is complete |
---|
| 1324 | # |
---|
| 1325 | time.sleep( 1 ) |
---|
[287] | 1326 | |
---|
[770] | 1327 | if self.s: |
---|
| 1328 | self.disconnect() |
---|
[33] | 1329 | |
---|
[770] | 1330 | self.retrieveData() |
---|
[5] | 1331 | |
---|
[770] | 1332 | def getData( self ): |
---|
[287] | 1333 | |
---|
[770] | 1334 | """Return the XML data""" |
---|
[287] | 1335 | |
---|
[770] | 1336 | # If more than MIN_UPDATE_INT seconds passed since last data update |
---|
| 1337 | # update the XML first before returning it |
---|
| 1338 | # |
---|
[287] | 1339 | |
---|
[770] | 1340 | cur_time = time.time() |
---|
[287] | 1341 | |
---|
[770] | 1342 | if ( cur_time - self.LAST_UPDATE ) > self.MIN_UPDATE_INT: |
---|
[287] | 1343 | |
---|
[770] | 1344 | self.reGetData() |
---|
[287] | 1345 | |
---|
[770] | 1346 | while self.update_now: |
---|
[287] | 1347 | |
---|
[770] | 1348 | # Must be another update in progress: |
---|
| 1349 | # Wait until the update is complete |
---|
| 1350 | # |
---|
| 1351 | time.sleep( 1 ) |
---|
| 1352 | |
---|
| 1353 | return self.data |
---|
[287] | 1354 | |
---|
[770] | 1355 | def makeFileDescriptor( self ): |
---|
| 1356 | """Make file descriptor that points to our socket connection""" |
---|
[70] | 1357 | |
---|
[770] | 1358 | self.reconnect() |
---|
[70] | 1359 | |
---|
[770] | 1360 | if self.s: |
---|
| 1361 | self.fd = self.s.makefile( 'r' ) |
---|
[70] | 1362 | |
---|
[770] | 1363 | def getFileObject( self ): |
---|
| 1364 | """Connect, and return a file object""" |
---|
[70] | 1365 | |
---|
[770] | 1366 | self.makeFileDescriptor() |
---|
[78] | 1367 | |
---|
[770] | 1368 | if self.fd: |
---|
| 1369 | return self.fd |
---|
[70] | 1370 | |
---|
[78] | 1371 | class GangliaXMLProcessor( XMLProcessor ): |
---|
[770] | 1372 | """Main class for processing XML and acting with it""" |
---|
[5] | 1373 | |
---|
[770] | 1374 | def __init__( self, XMLSource, DataStore ): |
---|
| 1375 | """Setup initial XML connection and handlers""" |
---|
[33] | 1376 | |
---|
[782] | 1377 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
| 1378 | self.myXMLSource = XMLSource |
---|
| 1379 | self.ds = DataStore |
---|
| 1380 | self.myXMLHandler = GangliaXMLHandler( self.config, self.ds ) |
---|
| 1381 | self.myXMLError = XMLErrorHandler() |
---|
[33] | 1382 | |
---|
[770] | 1383 | def run( self ): |
---|
| 1384 | """Main XML processing; start a xml and storethread""" |
---|
[8] | 1385 | |
---|
[782] | 1386 | xml_thread = threading.Thread( None, self.processXML, 'xmlthread' ) |
---|
[770] | 1387 | store_thread = threading.Thread( None, self.storeMetrics, 'storethread' ) |
---|
[22] | 1388 | |
---|
[770] | 1389 | while( 1 ): |
---|
[36] | 1390 | |
---|
[770] | 1391 | if not xml_thread.isAlive(): |
---|
| 1392 | # Gather XML at the same interval as gmetad |
---|
[36] | 1393 | |
---|
[770] | 1394 | # threaded call to: self.processXML() |
---|
| 1395 | # |
---|
| 1396 | try: |
---|
| 1397 | xml_thread = threading.Thread( None, self.processXML, 'xml_thread' ) |
---|
| 1398 | xml_thread.start() |
---|
| 1399 | except thread.error, msg: |
---|
| 1400 | debug_msg( 0, 'ERROR: Unable to start xml_thread!: '+str(msg)) |
---|
| 1401 | #return 1 |
---|
[36] | 1402 | |
---|
[770] | 1403 | if not store_thread.isAlive(): |
---|
| 1404 | # Store metrics every .. sec |
---|
[36] | 1405 | |
---|
[770] | 1406 | # threaded call to: self.storeMetrics() |
---|
| 1407 | # |
---|
| 1408 | try: |
---|
| 1409 | store_thread = threading.Thread( None, self.storeMetrics, 'store_thread' ) |
---|
| 1410 | store_thread.start() |
---|
| 1411 | except thread.error, msg: |
---|
| 1412 | debug_msg( 0, 'ERROR: Unable to start store_thread!: '+str(msg)) |
---|
| 1413 | #return 1 |
---|
| 1414 | |
---|
| 1415 | # Just sleep a sec here, to prevent daemon from going mad. We're all threads here anyway |
---|
| 1416 | time.sleep( 1 ) |
---|
[36] | 1417 | |
---|
[770] | 1418 | def storeMetrics( self ): |
---|
| 1419 | """Store metrics retained in memory to disk""" |
---|
[22] | 1420 | |
---|
[770] | 1421 | global DEBUG_LEVEL |
---|
[365] | 1422 | |
---|
[770] | 1423 | # Store metrics somewhere between every 360 and 640 seconds |
---|
| 1424 | # |
---|
[774] | 1425 | if DEBUG_LEVEL >= 1: |
---|
| 1426 | STORE_INTERVAL = 60 |
---|
[770] | 1427 | else: |
---|
| 1428 | STORE_INTERVAL = random.randint( 360, 640 ) |
---|
[22] | 1429 | |
---|
[770] | 1430 | try: |
---|
| 1431 | store_metric_thread = threading.Thread( None, self.storeThread, 'store_metric_thread' ) |
---|
| 1432 | store_metric_thread.start() |
---|
| 1433 | except thread.error, msg: |
---|
| 1434 | debug_msg( 0, 'ERROR: Unable to start ganglia_store_thread()!: '+str(msg) ) |
---|
| 1435 | return 1 |
---|
[36] | 1436 | |
---|
[770] | 1437 | debug_msg( 1, 'ganglia_store_thread(): started.' ) |
---|
[169] | 1438 | |
---|
[770] | 1439 | debug_msg( 1, 'ganglia_store_thread(): Sleeping.. (%ss)' %STORE_INTERVAL ) |
---|
| 1440 | time.sleep( STORE_INTERVAL ) |
---|
| 1441 | debug_msg( 1, 'ganglia_store_thread(): Done sleeping.' ) |
---|
[36] | 1442 | |
---|
[770] | 1443 | if store_metric_thread.isAlive(): |
---|
[36] | 1444 | |
---|
[782] | 1445 | debug_msg( 1, 'ganglia_store_thread(): storemetricthread() still running, waiting to finish..' ) |
---|
[770] | 1446 | store_metric_thread.join( STORE_TIMEOUT ) # Maximum time is for storing thread to finish |
---|
[36] | 1447 | |
---|
[782] | 1448 | if store_metric_thread.isAlive(): |
---|
| 1449 | |
---|
| 1450 | debug_msg( 1, 'ganglia_store_thread(): Done waiting: storemetricthread() still running :( now what?' ) |
---|
| 1451 | else: |
---|
| 1452 | debug_msg( 1, 'ganglia_store_thread(): Done waiting: storemetricthread() has finished' ) |
---|
| 1453 | |
---|
[770] | 1454 | debug_msg( 1, 'ganglia_store_thread(): finished.' ) |
---|
[36] | 1455 | |
---|
[770] | 1456 | return 0 |
---|
[36] | 1457 | |
---|
[770] | 1458 | def storeThread( self ): |
---|
| 1459 | """Actual metric storing thread""" |
---|
[39] | 1460 | |
---|
[770] | 1461 | debug_msg( 1, 'ganglia_store_metric_thread(): started.' ) |
---|
| 1462 | debug_msg( 1, 'ganglia_store_metric_thread(): Storing data..' ) |
---|
[782] | 1463 | |
---|
[770] | 1464 | ret = self.myXMLHandler.storeMetrics() |
---|
| 1465 | if ret > 0: |
---|
| 1466 | debug_msg( 0, 'ganglia_store_metric_thread(): UNKNOWN ERROR %s while storing Metrics!' %str(ret) ) |
---|
[782] | 1467 | |
---|
[770] | 1468 | debug_msg( 1, 'ganglia_store_metric_thread(): Done storing.' ) |
---|
| 1469 | debug_msg( 1, 'ganglia_store_metric_thread(): finished.' ) |
---|
| 1470 | |
---|
| 1471 | return 0 |
---|
[39] | 1472 | |
---|
[770] | 1473 | def processXML( self ): |
---|
| 1474 | """Process XML""" |
---|
[8] | 1475 | |
---|
[770] | 1476 | try: |
---|
| 1477 | parsethread = threading.Thread( None, self.parseThread, 'parsethread' ) |
---|
| 1478 | parsethread.start() |
---|
| 1479 | except thread.error, msg: |
---|
| 1480 | debug_msg( 0, 'ERROR: Unable to start ganglia_xml_thread()!: ' + str(msg) ) |
---|
| 1481 | return 1 |
---|
[8] | 1482 | |
---|
[770] | 1483 | debug_msg( 1, 'ganglia_xml_thread(): started.' ) |
---|
[36] | 1484 | |
---|
[770] | 1485 | debug_msg( 1, 'ganglia_xml_thread(): Sleeping.. (%ss)' %self.config.getLowestInterval() ) |
---|
| 1486 | time.sleep( float( self.config.getLowestInterval() ) ) |
---|
| 1487 | debug_msg( 1, 'ganglia_xml_thread(): Done sleeping.' ) |
---|
[36] | 1488 | |
---|
[770] | 1489 | if parsethread.isAlive(): |
---|
[36] | 1490 | |
---|
[782] | 1491 | debug_msg( 1, 'ganglia_xml_thread(): parsethread() still running, waiting (%ss) to finish..' %PARSE_TIMEOUT ) |
---|
[770] | 1492 | parsethread.join( PARSE_TIMEOUT ) # Maximum time for XML thread to finish |
---|
[36] | 1493 | |
---|
[782] | 1494 | if parsethread.isAlive(): |
---|
| 1495 | debug_msg( 1, 'ganglia_xml_thread(): Done waiting: parsethread() still running :( now what?' ) |
---|
| 1496 | else: |
---|
| 1497 | debug_msg( 1, 'ganglia_xml_thread(): Done waiting: parsethread() finished' ) |
---|
| 1498 | |
---|
[770] | 1499 | debug_msg( 1, 'ganglia_xml_thread(): finished.' ) |
---|
[36] | 1500 | |
---|
[770] | 1501 | return 0 |
---|
[36] | 1502 | |
---|
[770] | 1503 | def parseThread( self ): |
---|
| 1504 | """Actual parsing thread""" |
---|
[39] | 1505 | |
---|
[770] | 1506 | debug_msg( 1, 'ganglia_parse_thread(): started.' ) |
---|
| 1507 | debug_msg( 1, 'ganglia_parse_thread(): Retrieving XML data..' ) |
---|
| 1508 | |
---|
| 1509 | my_data = self.myXMLSource.getData() |
---|
[176] | 1510 | |
---|
[782] | 1511 | debug_msg( 1, 'ganglia_parse_thread(): Done retrieving: data size %d' %len(my_data) ) |
---|
[293] | 1512 | |
---|
[770] | 1513 | if my_data: |
---|
| 1514 | debug_msg( 1, 'ganglia_parse_thread(): Parsing XML..' ) |
---|
| 1515 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
| 1516 | debug_msg( 1, 'ganglia_parse_thread(): Done parsing.' ) |
---|
[176] | 1517 | |
---|
[770] | 1518 | debug_msg( 1, 'ganglia_parse_thread(): finished.' ) |
---|
[39] | 1519 | |
---|
[770] | 1520 | return 0 |
---|
[39] | 1521 | |
---|
[9] | 1522 | class GangliaConfigParser: |
---|
| 1523 | |
---|
[770] | 1524 | sources = [ ] |
---|
[9] | 1525 | |
---|
[770] | 1526 | def __init__( self, config ): |
---|
| 1527 | """Parse some stuff from our gmetad's config, such as polling interval""" |
---|
[32] | 1528 | |
---|
[770] | 1529 | self.config = config |
---|
| 1530 | self.parseValues() |
---|
[9] | 1531 | |
---|
[770] | 1532 | def parseValues( self ): |
---|
| 1533 | """Parse certain values from gmetad.conf""" |
---|
[9] | 1534 | |
---|
[770] | 1535 | readcfg = open( self.config, 'r' ) |
---|
[9] | 1536 | |
---|
[770] | 1537 | for line in readcfg.readlines(): |
---|
[9] | 1538 | |
---|
[770] | 1539 | if line.count( '"' ) > 1: |
---|
[9] | 1540 | |
---|
[770] | 1541 | if line.find( 'data_source' ) != -1 and line[0] != '#': |
---|
[9] | 1542 | |
---|
[770] | 1543 | source = { } |
---|
| 1544 | source['name'] = line.split( '"' )[1] |
---|
| 1545 | source_words = line.split( '"' )[2].split( ' ' ) |
---|
[9] | 1546 | |
---|
[770] | 1547 | for word in source_words: |
---|
[9] | 1548 | |
---|
[770] | 1549 | valid_interval = 1 |
---|
[9] | 1550 | |
---|
[770] | 1551 | for letter in word: |
---|
[32] | 1552 | |
---|
[770] | 1553 | if letter not in string.digits: |
---|
[32] | 1554 | |
---|
[770] | 1555 | valid_interval = 0 |
---|
[9] | 1556 | |
---|
[770] | 1557 | if valid_interval and len(word) > 0: |
---|
[32] | 1558 | |
---|
[770] | 1559 | source['interval'] = word |
---|
| 1560 | debug_msg( 9, 'polling interval for %s = %s' %(source['name'], source['interval'] ) ) |
---|
| 1561 | |
---|
| 1562 | # No interval found, use Ganglia's default |
---|
| 1563 | if not source.has_key( 'interval' ): |
---|
| 1564 | source['interval'] = 15 |
---|
| 1565 | debug_msg( 9, 'polling interval for %s defaulted to 15' %(source['name']) ) |
---|
[32] | 1566 | |
---|
[770] | 1567 | self.sources.append( source ) |
---|
[9] | 1568 | |
---|
[770] | 1569 | def getInterval( self, source_name ): |
---|
| 1570 | """Return interval for source_name""" |
---|
[32] | 1571 | |
---|
[770] | 1572 | for source in self.sources: |
---|
[32] | 1573 | |
---|
[770] | 1574 | if source['name'] == source_name: |
---|
[32] | 1575 | |
---|
[770] | 1576 | return source['interval'] |
---|
[32] | 1577 | |
---|
[770] | 1578 | return None |
---|
[9] | 1579 | |
---|
[770] | 1580 | def getLowestInterval( self ): |
---|
| 1581 | """Return the lowest interval of all clusters""" |
---|
[34] | 1582 | |
---|
[770] | 1583 | lowest_interval = 0 |
---|
[34] | 1584 | |
---|
[770] | 1585 | for source in self.sources: |
---|
[34] | 1586 | |
---|
[770] | 1587 | if not lowest_interval or source['interval'] <= lowest_interval: |
---|
[34] | 1588 | |
---|
[770] | 1589 | lowest_interval = source['interval'] |
---|
[34] | 1590 | |
---|
[770] | 1591 | # Return 15 when nothing is found, so that the daemon won't go insane with 0 sec delays |
---|
| 1592 | if lowest_interval: |
---|
| 1593 | return lowest_interval |
---|
| 1594 | else: |
---|
| 1595 | return 15 |
---|
[34] | 1596 | |
---|
[9] | 1597 | class RRDHandler: |
---|
[770] | 1598 | """Class for handling RRD activity""" |
---|
[9] | 1599 | |
---|
[770] | 1600 | myMetrics = { } |
---|
| 1601 | lastStored = { } |
---|
| 1602 | timeserials = { } |
---|
| 1603 | slot = None |
---|
[32] | 1604 | |
---|
[770] | 1605 | def __init__( self, config, cluster ): |
---|
| 1606 | """Setup initial variables""" |
---|
[78] | 1607 | |
---|
[770] | 1608 | global MODRRDTOOL |
---|
[455] | 1609 | |
---|
[770] | 1610 | self.block = 0 |
---|
| 1611 | self.cluster = cluster |
---|
| 1612 | self.config = config |
---|
| 1613 | self.slot = threading.Lock() |
---|
[292] | 1614 | |
---|
[770] | 1615 | if MODRRDTOOL: |
---|
[455] | 1616 | |
---|
[770] | 1617 | self.rrdm = RRDMutator() |
---|
| 1618 | else: |
---|
| 1619 | self.rrdm = RRDMutator( RRDTOOL ) |
---|
[455] | 1620 | |
---|
[770] | 1621 | global DEBUG_LEVEL |
---|
[9] | 1622 | |
---|
[770] | 1623 | if DEBUG_LEVEL <= 2: |
---|
| 1624 | self.gatherLastUpdates() |
---|
[365] | 1625 | |
---|
[770] | 1626 | def gatherLastUpdates( self ): |
---|
| 1627 | """Populate the lastStored list, containing timestamps of all last updates""" |
---|
[42] | 1628 | |
---|
[770] | 1629 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster ) |
---|
[42] | 1630 | |
---|
[770] | 1631 | hosts = [ ] |
---|
[42] | 1632 | |
---|
[770] | 1633 | if os.path.exists( cluster_dir ): |
---|
[42] | 1634 | |
---|
[770] | 1635 | dirlist = os.listdir( cluster_dir ) |
---|
[42] | 1636 | |
---|
[770] | 1637 | for dir in dirlist: |
---|
[42] | 1638 | |
---|
[770] | 1639 | hosts.append( dir ) |
---|
[42] | 1640 | |
---|
[770] | 1641 | for host in hosts: |
---|
[42] | 1642 | |
---|
[770] | 1643 | host_dir = cluster_dir + '/' + host |
---|
| 1644 | dirlist = os.listdir( host_dir ) |
---|
[47] | 1645 | |
---|
[770] | 1646 | for dir in dirlist: |
---|
[47] | 1647 | |
---|
[770] | 1648 | if not self.timeserials.has_key( host ): |
---|
[47] | 1649 | |
---|
[770] | 1650 | self.timeserials[ host ] = [ ] |
---|
[47] | 1651 | |
---|
[770] | 1652 | self.timeserials[ host ].append( dir ) |
---|
[47] | 1653 | |
---|
[770] | 1654 | last_serial = self.getLastRrdTimeSerial( host ) |
---|
[292] | 1655 | |
---|
[770] | 1656 | if last_serial: |
---|
[42] | 1657 | |
---|
[770] | 1658 | metric_dir = cluster_dir + '/' + host + '/' + last_serial |
---|
[292] | 1659 | |
---|
[770] | 1660 | if os.path.exists( metric_dir ): |
---|
[42] | 1661 | |
---|
[770] | 1662 | dirlist = os.listdir( metric_dir ) |
---|
[42] | 1663 | |
---|
[770] | 1664 | for file in dirlist: |
---|
[42] | 1665 | |
---|
[770] | 1666 | metricname = file.split( '.rrd' )[0] |
---|
[42] | 1667 | |
---|
[770] | 1668 | if not self.lastStored.has_key( host ): |
---|
[42] | 1669 | |
---|
[770] | 1670 | self.lastStored[ host ] = { } |
---|
[42] | 1671 | |
---|
[770] | 1672 | self.lastStored[ host ][ metricname ] = self.rrdm.grabLastUpdate( metric_dir + '/' + file ) |
---|
[42] | 1673 | |
---|
[770] | 1674 | def getClusterName( self ): |
---|
| 1675 | """Return clustername""" |
---|
[63] | 1676 | |
---|
[770] | 1677 | return self.cluster |
---|
[32] | 1678 | |
---|
[770] | 1679 | def memMetric( self, host, metric ): |
---|
| 1680 | """Store metric from host in memory""" |
---|
[32] | 1681 | |
---|
[770] | 1682 | # <ATOMIC> |
---|
| 1683 | # |
---|
| 1684 | self.slot.acquire() |
---|
| 1685 | |
---|
| 1686 | if self.myMetrics.has_key( host ): |
---|
[32] | 1687 | |
---|
[770] | 1688 | if self.myMetrics[ host ].has_key( metric['name'] ): |
---|
[32] | 1689 | |
---|
[770] | 1690 | for mymetric in self.myMetrics[ host ][ metric['name'] ]: |
---|
[32] | 1691 | |
---|
[770] | 1692 | if mymetric['time'] == metric['time']: |
---|
[32] | 1693 | |
---|
[770] | 1694 | # Allready have this metric, abort |
---|
| 1695 | self.slot.release() |
---|
| 1696 | return 1 |
---|
| 1697 | else: |
---|
| 1698 | self.myMetrics[ host ][ metric['name'] ] = [ ] |
---|
| 1699 | else: |
---|
| 1700 | self.myMetrics[ host ] = { } |
---|
| 1701 | self.myMetrics[ host ][ metric['name'] ] = [ ] |
---|
[32] | 1702 | |
---|
[770] | 1703 | # Push new metric onto stack |
---|
| 1704 | # atomic code; only 1 thread at a time may access the stack |
---|
[63] | 1705 | |
---|
[770] | 1706 | self.myMetrics[ host ][ metric['name'] ].append( metric ) |
---|
[32] | 1707 | |
---|
[770] | 1708 | self.slot.release() |
---|
| 1709 | # |
---|
| 1710 | # </ATOMIC> |
---|
[40] | 1711 | |
---|
[770] | 1712 | def makeUpdateList( self, host, metriclist ): |
---|
| 1713 | """ |
---|
| 1714 | Make a list of update values for rrdupdate |
---|
| 1715 | but only those that we didn't store before |
---|
| 1716 | """ |
---|
[37] | 1717 | |
---|
[770] | 1718 | update_list = [ ] |
---|
| 1719 | metric = None |
---|
[37] | 1720 | |
---|
[770] | 1721 | while len( metriclist ) > 0: |
---|
[37] | 1722 | |
---|
[770] | 1723 | metric = metriclist.pop( 0 ) |
---|
[37] | 1724 | |
---|
[770] | 1725 | if self.checkStoreMetric( host, metric ): |
---|
[292] | 1726 | |
---|
[770] | 1727 | u_val = str( metric['time'] ) + ':' + str( metric['val'] ) |
---|
| 1728 | #update_list.append( str('%s:%s') %( metric['time'], metric['val'] ) ) |
---|
| 1729 | update_list.append( u_val ) |
---|
[40] | 1730 | |
---|
[770] | 1731 | return update_list |
---|
[37] | 1732 | |
---|
[770] | 1733 | def checkStoreMetric( self, host, metric ): |
---|
| 1734 | """Check if supplied metric if newer than last one stored""" |
---|
[40] | 1735 | |
---|
[770] | 1736 | if self.lastStored.has_key( host ): |
---|
[40] | 1737 | |
---|
[770] | 1738 | if self.lastStored[ host ].has_key( metric['name'] ): |
---|
[40] | 1739 | |
---|
[770] | 1740 | if metric['time'] <= self.lastStored[ host ][ metric['name'] ]: |
---|
[40] | 1741 | |
---|
[770] | 1742 | # This is old |
---|
| 1743 | return 0 |
---|
[40] | 1744 | |
---|
[770] | 1745 | return 1 |
---|
[50] | 1746 | |
---|
[770] | 1747 | def memLastUpdate( self, host, metricname, metriclist ): |
---|
| 1748 | """ |
---|
| 1749 | Memorize the time of the latest metric from metriclist |
---|
| 1750 | but only if it wasn't allready memorized |
---|
| 1751 | """ |
---|
[50] | 1752 | |
---|
[770] | 1753 | if not self.lastStored.has_key( host ): |
---|
| 1754 | self.lastStored[ host ] = { } |
---|
[54] | 1755 | |
---|
[770] | 1756 | last_update_time = 0 |
---|
[50] | 1757 | |
---|
[770] | 1758 | for metric in metriclist: |
---|
[50] | 1759 | |
---|
[770] | 1760 | if metric['name'] == metricname: |
---|
[50] | 1761 | |
---|
[770] | 1762 | if metric['time'] > last_update_time: |
---|
[50] | 1763 | |
---|
[770] | 1764 | last_update_time = metric['time'] |
---|
[40] | 1765 | |
---|
[770] | 1766 | if self.lastStored[ host ].has_key( metricname ): |
---|
| 1767 | |
---|
| 1768 | if last_update_time <= self.lastStored[ host ][ metricname ]: |
---|
| 1769 | return 1 |
---|
[40] | 1770 | |
---|
[770] | 1771 | self.lastStored[ host ][ metricname ] = last_update_time |
---|
[52] | 1772 | |
---|
[770] | 1773 | def storeMetrics( self ): |
---|
| 1774 | """ |
---|
| 1775 | Store all metrics from memory to disk |
---|
| 1776 | and do it to the RRD's in appropriate timeperiod directory |
---|
| 1777 | """ |
---|
[33] | 1778 | |
---|
[770] | 1779 | debug_msg( 5, "Entering storeMetrics()") |
---|
[365] | 1780 | |
---|
[782] | 1781 | count_values = 0 |
---|
| 1782 | count_metrics = 0 |
---|
[770] | 1783 | count_bits = 0 |
---|
[365] | 1784 | |
---|
[770] | 1785 | for hostname, mymetrics in self.myMetrics.items(): |
---|
[33] | 1786 | |
---|
[770] | 1787 | for metricname, mymetric in mymetrics.items(): |
---|
[33] | 1788 | |
---|
[770] | 1789 | count_metrics += 1 |
---|
[365] | 1790 | |
---|
[770] | 1791 | for dmetric in mymetric: |
---|
[365] | 1792 | |
---|
[770] | 1793 | count_values += 1 |
---|
[365] | 1794 | |
---|
[782] | 1795 | count_bits += len( dmetric['time'] ) |
---|
| 1796 | count_bits += len( dmetric['val'] ) |
---|
[365] | 1797 | |
---|
[770] | 1798 | count_bytes = count_bits / 8 |
---|
[365] | 1799 | |
---|
[770] | 1800 | debug_msg( 5, "size of cluster '" + self.cluster + "': " + |
---|
| 1801 | str( len( self.myMetrics.keys() ) ) + " hosts " + |
---|
| 1802 | str( count_metrics ) + " metrics " + str( count_values ) + " values " + |
---|
| 1803 | str( count_bits ) + " bits " + str( count_bytes ) + " bytes " ) |
---|
[365] | 1804 | |
---|
[770] | 1805 | for hostname, mymetrics in self.myMetrics.items(): |
---|
[365] | 1806 | |
---|
[770] | 1807 | for metricname, mymetric in mymetrics.items(): |
---|
[365] | 1808 | |
---|
[770] | 1809 | metrics_to_store = [ ] |
---|
[53] | 1810 | |
---|
[770] | 1811 | # Pop metrics from stack for storing until none is left |
---|
| 1812 | # atomic code: only 1 thread at a time may access myMetrics |
---|
[63] | 1813 | |
---|
[770] | 1814 | # <ATOMIC> |
---|
| 1815 | # |
---|
| 1816 | self.slot.acquire() |
---|
[33] | 1817 | |
---|
[770] | 1818 | while len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[53] | 1819 | |
---|
[770] | 1820 | if len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[53] | 1821 | |
---|
[770] | 1822 | try: |
---|
| 1823 | metrics_to_store.append( self.myMetrics[ hostname ][ metricname ].pop( 0 ) ) |
---|
| 1824 | except IndexError, msg: |
---|
[176] | 1825 | |
---|
[770] | 1826 | # Somehow sometimes myMetrics[ hostname ][ metricname ] |
---|
| 1827 | # is still len 0 when the statement is executed. |
---|
| 1828 | # Just ignore indexerror's.. |
---|
| 1829 | pass |
---|
[176] | 1830 | |
---|
[770] | 1831 | self.slot.release() |
---|
| 1832 | # |
---|
| 1833 | # </ATOMIC> |
---|
[53] | 1834 | |
---|
[770] | 1835 | # Create a mapping table, each metric to the period where it should be stored |
---|
| 1836 | # |
---|
| 1837 | metric_serial_table = self.determineSerials( hostname, metricname, metrics_to_store ) |
---|
[33] | 1838 | |
---|
[770] | 1839 | update_rets = [ ] |
---|
[50] | 1840 | |
---|
[770] | 1841 | for period, pmetric in metric_serial_table.items(): |
---|
[47] | 1842 | |
---|
[770] | 1843 | create_ret = self.createCheck( hostname, metricname, period ) |
---|
[47] | 1844 | |
---|
[770] | 1845 | update_ret = self.update( hostname, metricname, period, pmetric ) |
---|
[47] | 1846 | |
---|
[770] | 1847 | if update_ret == 0: |
---|
[47] | 1848 | |
---|
[770] | 1849 | debug_msg( 9, 'stored metric %s for %s' %( hostname, metricname ) ) |
---|
| 1850 | else: |
---|
| 1851 | debug_msg( 9, 'metric update failed' ) |
---|
[47] | 1852 | |
---|
[770] | 1853 | update_rets.append( create_ret ) |
---|
| 1854 | update_rets.append( update_ret ) |
---|
[47] | 1855 | |
---|
[770] | 1856 | # Lets ignore errors here for now, we need to make sure last update time |
---|
| 1857 | # is correct! |
---|
| 1858 | # |
---|
| 1859 | #if not (1) in update_rets: |
---|
[50] | 1860 | |
---|
[770] | 1861 | self.memLastUpdate( hostname, metricname, metrics_to_store ) |
---|
[50] | 1862 | |
---|
[770] | 1863 | debug_msg( 5, "Leaving storeMetrics()") |
---|
[365] | 1864 | |
---|
[770] | 1865 | def makeTimeSerial( self ): |
---|
| 1866 | """Generate a time serial. Seconds since epoch""" |
---|
[17] | 1867 | |
---|
[770] | 1868 | # Seconds since epoch |
---|
| 1869 | mytime = int( time.time() ) |
---|
[17] | 1870 | |
---|
[770] | 1871 | return mytime |
---|
[17] | 1872 | |
---|
[770] | 1873 | def makeRrdPath( self, host, metricname, timeserial ): |
---|
| 1874 | """Make a RRD location/path and filename""" |
---|
[17] | 1875 | |
---|
[770] | 1876 | rrd_dir = '%s/%s/%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster, host, timeserial ) |
---|
| 1877 | rrd_file = '%s/%s.rrd' %( rrd_dir, metricname ) |
---|
[17] | 1878 | |
---|
[770] | 1879 | return rrd_dir, rrd_file |
---|
[17] | 1880 | |
---|
[770] | 1881 | def getLastRrdTimeSerial( self, host ): |
---|
| 1882 | """Find the last timeserial (directory) for this host""" |
---|
[17] | 1883 | |
---|
[770] | 1884 | newest_timeserial = 0 |
---|
[19] | 1885 | |
---|
[770] | 1886 | for dir in self.timeserials[ host ]: |
---|
[32] | 1887 | |
---|
[770] | 1888 | valid_dir = 1 |
---|
[17] | 1889 | |
---|
[770] | 1890 | for letter in dir: |
---|
| 1891 | if letter not in string.digits: |
---|
| 1892 | valid_dir = 0 |
---|
[17] | 1893 | |
---|
[770] | 1894 | if valid_dir: |
---|
| 1895 | timeserial = dir |
---|
| 1896 | if timeserial > newest_timeserial: |
---|
| 1897 | newest_timeserial = timeserial |
---|
[17] | 1898 | |
---|
[770] | 1899 | if newest_timeserial: |
---|
| 1900 | return newest_timeserial |
---|
| 1901 | else: |
---|
| 1902 | return 0 |
---|
[17] | 1903 | |
---|
[770] | 1904 | def determinePeriod( self, host, check_serial ): |
---|
| 1905 | """Determine to which period (directory) this time(serial) belongs""" |
---|
[47] | 1906 | |
---|
[770] | 1907 | period_serial = 0 |
---|
[47] | 1908 | |
---|
[770] | 1909 | if self.timeserials.has_key( host ): |
---|
[47] | 1910 | |
---|
[770] | 1911 | for serial in self.timeserials[ host ]: |
---|
[47] | 1912 | |
---|
[770] | 1913 | if check_serial >= serial and period_serial < serial: |
---|
[47] | 1914 | |
---|
[770] | 1915 | period_serial = serial |
---|
[56] | 1916 | |
---|
[770] | 1917 | return period_serial |
---|
[47] | 1918 | |
---|
[770] | 1919 | def determineSerials( self, host, metricname, metriclist ): |
---|
| 1920 | """ |
---|
| 1921 | Determine the correct serial and corresponding rrd to store |
---|
| 1922 | for a list of metrics |
---|
| 1923 | """ |
---|
[47] | 1924 | |
---|
[770] | 1925 | metric_serial_table = { } |
---|
[47] | 1926 | |
---|
[770] | 1927 | for metric in metriclist: |
---|
[47] | 1928 | |
---|
[770] | 1929 | if metric['name'] == metricname: |
---|
[47] | 1930 | |
---|
[770] | 1931 | period = self.determinePeriod( host, metric['time'] ) |
---|
[47] | 1932 | |
---|
[770] | 1933 | archive_secs = ARCHIVE_HOURS_PER_RRD * (60 * 60) |
---|
[47] | 1934 | |
---|
[770] | 1935 | if (int( metric['time'] ) - int( period ) ) > archive_secs: |
---|
[47] | 1936 | |
---|
[770] | 1937 | # This one should get it's own new period |
---|
| 1938 | period = metric['time'] |
---|
[57] | 1939 | |
---|
[770] | 1940 | if not self.timeserials.has_key( host ): |
---|
| 1941 | self.timeserials[ host ] = [ ] |
---|
[57] | 1942 | |
---|
[770] | 1943 | self.timeserials[ host ].append( period ) |
---|
[47] | 1944 | |
---|
[770] | 1945 | if not metric_serial_table.has_key( period ): |
---|
[47] | 1946 | |
---|
[770] | 1947 | metric_serial_table[ period ] = [ ] |
---|
[47] | 1948 | |
---|
[770] | 1949 | metric_serial_table[ period ].append( metric ) |
---|
[47] | 1950 | |
---|
[770] | 1951 | return metric_serial_table |
---|
[47] | 1952 | |
---|
[770] | 1953 | def createCheck( self, host, metricname, timeserial ): |
---|
| 1954 | """Check if an rrd allready exists for this metric, create if not""" |
---|
[9] | 1955 | |
---|
[770] | 1956 | debug_msg( 9, 'rrdcreate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
| 1957 | |
---|
| 1958 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[17] | 1959 | |
---|
[770] | 1960 | if not os.path.exists( rrd_dir ): |
---|
[58] | 1961 | |
---|
[770] | 1962 | try: |
---|
| 1963 | os.makedirs( rrd_dir ) |
---|
[58] | 1964 | |
---|
[770] | 1965 | except os.OSError, msg: |
---|
[58] | 1966 | |
---|
[770] | 1967 | if msg.find( 'File exists' ) != -1: |
---|
[58] | 1968 | |
---|
[770] | 1969 | # Ignore exists errors |
---|
| 1970 | pass |
---|
[58] | 1971 | |
---|
[770] | 1972 | else: |
---|
[58] | 1973 | |
---|
[770] | 1974 | print msg |
---|
| 1975 | return |
---|
[58] | 1976 | |
---|
[770] | 1977 | debug_msg( 9, 'created dir %s' %( str(rrd_dir) ) ) |
---|
[9] | 1978 | |
---|
[770] | 1979 | if not os.path.exists( rrd_file ): |
---|
[9] | 1980 | |
---|
[770] | 1981 | interval = self.config.getInterval( self.cluster ) |
---|
| 1982 | heartbeat = 8 * int( interval ) |
---|
[9] | 1983 | |
---|
[770] | 1984 | params = [ ] |
---|
[12] | 1985 | |
---|
[770] | 1986 | params.append( '--step' ) |
---|
| 1987 | params.append( str( interval ) ) |
---|
[12] | 1988 | |
---|
[770] | 1989 | params.append( '--start' ) |
---|
| 1990 | params.append( str( int( timeserial ) - 1 ) ) |
---|
[12] | 1991 | |
---|
[770] | 1992 | params.append( 'DS:sum:GAUGE:%d:U:U' %heartbeat ) |
---|
| 1993 | params.append( 'RRA:AVERAGE:0.5:1:%s' %(ARCHIVE_HOURS_PER_RRD * 240) ) |
---|
[13] | 1994 | |
---|
[770] | 1995 | self.rrdm.create( str(rrd_file), params ) |
---|
[37] | 1996 | |
---|
[770] | 1997 | debug_msg( 9, 'created rrd %s' %( str(rrd_file) ) ) |
---|
[14] | 1998 | |
---|
[770] | 1999 | def update( self, host, metricname, timeserial, metriclist ): |
---|
| 2000 | """ |
---|
| 2001 | Update rrd file for host with metricname |
---|
| 2002 | in directory timeserial with metriclist |
---|
| 2003 | """ |
---|
[9] | 2004 | |
---|
[770] | 2005 | debug_msg( 9, 'rrdupdate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
[9] | 2006 | |
---|
[770] | 2007 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[18] | 2008 | |
---|
[770] | 2009 | update_list = self.makeUpdateList( host, metriclist ) |
---|
[15] | 2010 | |
---|
[770] | 2011 | if len( update_list ) > 0: |
---|
| 2012 | ret = self.rrdm.update( str(rrd_file), update_list ) |
---|
[32] | 2013 | |
---|
[770] | 2014 | if ret: |
---|
| 2015 | return 1 |
---|
| 2016 | |
---|
| 2017 | debug_msg( 9, 'updated rrd %s with %s' %( str(rrd_file), string.join( update_list ) ) ) |
---|
[15] | 2018 | |
---|
[770] | 2019 | return 0 |
---|
[36] | 2020 | |
---|
[169] | 2021 | def daemon(): |
---|
[770] | 2022 | """daemonized threading""" |
---|
[8] | 2023 | |
---|
[770] | 2024 | # Fork the first child |
---|
| 2025 | # |
---|
| 2026 | pid = os.fork() |
---|
[169] | 2027 | |
---|
[770] | 2028 | if pid > 0: |
---|
[169] | 2029 | |
---|
[770] | 2030 | sys.exit(0) # end parent |
---|
[169] | 2031 | |
---|
[770] | 2032 | # creates a session and sets the process group ID |
---|
| 2033 | # |
---|
| 2034 | os.setsid() |
---|
[169] | 2035 | |
---|
[770] | 2036 | # Fork the second child |
---|
| 2037 | # |
---|
| 2038 | pid = os.fork() |
---|
[169] | 2039 | |
---|
[770] | 2040 | if pid > 0: |
---|
[169] | 2041 | |
---|
[770] | 2042 | sys.exit(0) # end parent |
---|
[169] | 2043 | |
---|
[770] | 2044 | write_pidfile() |
---|
[435] | 2045 | |
---|
[770] | 2046 | # Go to the root directory and set the umask |
---|
| 2047 | # |
---|
| 2048 | os.chdir('/') |
---|
| 2049 | os.umask(0) |
---|
[169] | 2050 | |
---|
[770] | 2051 | sys.stdin.close() |
---|
| 2052 | sys.stdout.close() |
---|
| 2053 | sys.stderr.close() |
---|
[169] | 2054 | |
---|
[770] | 2055 | os.open('/dev/null', os.O_RDWR) |
---|
| 2056 | os.dup2(0, 1) |
---|
| 2057 | os.dup2(0, 2) |
---|
[169] | 2058 | |
---|
[770] | 2059 | run() |
---|
[169] | 2060 | |
---|
| 2061 | def run(): |
---|
[770] | 2062 | """Threading start""" |
---|
[169] | 2063 | |
---|
[782] | 2064 | config = GangliaConfigParser( GMETAD_CONF ) |
---|
| 2065 | s_timeout = int( config.getLowestInterval() - 1 ) |
---|
[469] | 2066 | |
---|
[770] | 2067 | socket.setdefaulttimeout( s_timeout ) |
---|
[469] | 2068 | |
---|
[770] | 2069 | myXMLSource = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] ) |
---|
| 2070 | myDataStore = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] ) |
---|
[8] | 2071 | |
---|
[782] | 2072 | myJobProcessor = JobXMLProcessor( myXMLSource, myDataStore ) |
---|
| 2073 | myGangliaProcessor = GangliaXMLProcessor( myXMLSource, myDataStore ) |
---|
[287] | 2074 | |
---|
[770] | 2075 | try: |
---|
[782] | 2076 | job_xml_thread = threading.Thread( None, myJobProcessor.run, 'job_proc_thread' ) |
---|
| 2077 | ganglia_xml_thread = threading.Thread( None, myGangliaProcessor.run, 'ganglia_proc_thread' ) |
---|
[22] | 2078 | |
---|
[782] | 2079 | job_xml_thread.start() |
---|
[770] | 2080 | ganglia_xml_thread.start() |
---|
| 2081 | |
---|
| 2082 | except thread.error, msg: |
---|
| 2083 | debug_msg( 0, 'FATAL ERROR: Unable to start main threads!: '+ str(msg) ) |
---|
| 2084 | syslog.closelog() |
---|
| 2085 | sys.exit(1) |
---|
| 2086 | |
---|
| 2087 | debug_msg( 0, 'main threading started.' ) |
---|
[78] | 2088 | |
---|
[169] | 2089 | def main(): |
---|
[770] | 2090 | """Program startup""" |
---|
[169] | 2091 | |
---|
[770] | 2092 | global DAEMONIZE, USE_SYSLOG |
---|
[375] | 2093 | |
---|
[770] | 2094 | if not processArgs( sys.argv[1:] ): |
---|
| 2095 | sys.exit( 1 ) |
---|
[214] | 2096 | |
---|
[770] | 2097 | if( DAEMONIZE and USE_SYSLOG ): |
---|
| 2098 | syslog.openlog( 'jobarchived', syslog.LOG_NOWAIT, SYSLOG_FACILITY ) |
---|
[169] | 2099 | |
---|
[770] | 2100 | if DAEMONIZE: |
---|
| 2101 | daemon() |
---|
| 2102 | else: |
---|
| 2103 | run() |
---|
[169] | 2104 | |
---|
| 2105 | # |
---|
[81] | 2106 | # Global functions |
---|
[169] | 2107 | # |
---|
[81] | 2108 | |
---|
[9] | 2109 | def check_dir( directory ): |
---|
[770] | 2110 | """Check if directory is a proper directory. I.e.: Does _not_ end with a '/'""" |
---|
[9] | 2111 | |
---|
[770] | 2112 | if directory[-1] == '/': |
---|
| 2113 | directory = directory[:-1] |
---|
[9] | 2114 | |
---|
[770] | 2115 | return directory |
---|
[9] | 2116 | |
---|
[295] | 2117 | def reqtime2epoch( rtime ): |
---|
| 2118 | |
---|
[770] | 2119 | (hours, minutes, seconds ) = rtime.split( ':' ) |
---|
[295] | 2120 | |
---|
[770] | 2121 | etime = int(seconds) |
---|
| 2122 | etime = etime + ( int(minutes) * 60 ) |
---|
| 2123 | etime = etime + ( int(hours) * 60 * 60 ) |
---|
[295] | 2124 | |
---|
[770] | 2125 | return etime |
---|
[295] | 2126 | |
---|
[12] | 2127 | def debug_msg( level, msg ): |
---|
[770] | 2128 | """Only print msg if correct levels""" |
---|
[12] | 2129 | |
---|
[770] | 2130 | if (not DAEMONIZE and DEBUG_LEVEL >= level): |
---|
| 2131 | sys.stderr.write( printTime() + ' - ' + msg + '\n' ) |
---|
| 2132 | |
---|
| 2133 | if (DAEMONIZE and USE_SYSLOG and SYSLOG_LEVEL >= level): |
---|
| 2134 | syslog.syslog( msg ) |
---|
[12] | 2135 | |
---|
[46] | 2136 | def printTime( ): |
---|
[770] | 2137 | """Print current time in human readable format""" |
---|
[46] | 2138 | |
---|
[770] | 2139 | return time.strftime("%a %d %b %Y %H:%M:%S") |
---|
[46] | 2140 | |
---|
[435] | 2141 | def write_pidfile(): |
---|
| 2142 | |
---|
[770] | 2143 | # Write pidfile if PIDFILE exists |
---|
| 2144 | if PIDFILE: |
---|
[435] | 2145 | |
---|
[770] | 2146 | pid = os.getpid() |
---|
[435] | 2147 | |
---|
[770] | 2148 | pidfile = open(PIDFILE, 'w') |
---|
[435] | 2149 | |
---|
[770] | 2150 | pidfile.write( str( pid ) ) |
---|
| 2151 | pidfile.close() |
---|
[435] | 2152 | |
---|
[63] | 2153 | # Ooohh, someone started me! Let's go.. |
---|
[469] | 2154 | # |
---|
[9] | 2155 | if __name__ == '__main__': |
---|
[770] | 2156 | main() |
---|