[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 949 2014-01-20 16:04:55Z 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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[949] | 25 | from collections import deque |
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| 26 | import time |
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| 27 | from pprint import pprint |
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| 28 | #import yappi |
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[3] | 29 | |
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[949] | 30 | #yappi.start() |
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| 31 | |
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| 32 | try: |
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| 33 | from resource import getrusage, RUSAGE_SELF |
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| 34 | except ImportError: |
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| 35 | RUSAGE_SELF = 0 |
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| 36 | def getrusage(who=0): |
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| 37 | return [0.0, 0.0] # on non-UNIX platforms cpu_time always 0.0 |
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| 38 | |
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| 39 | p_stats = None |
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| 40 | p_start_time = None |
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| 41 | |
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| 42 | def profiler(frame, event, arg): |
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| 43 | if event not in ('call','return'): return profiler |
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| 44 | #### gather stats #### |
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| 45 | rusage = getrusage(RUSAGE_SELF) |
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| 46 | t_cpu = rusage[0] + rusage[1] # user time + system time |
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| 47 | code = frame.f_code |
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| 48 | fun = (code.co_name, code.co_filename, code.co_firstlineno) |
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| 49 | #### get stack with functions entry stats #### |
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| 50 | ct = threading.currentThread() |
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| 51 | try: |
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| 52 | p_stack = ct.p_stack |
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| 53 | except AttributeError: |
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| 54 | ct.p_stack = deque() |
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| 55 | p_stack = ct.p_stack |
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| 56 | #### handle call and return #### |
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| 57 | if event == 'call': |
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| 58 | p_stack.append((time.time(), t_cpu, fun)) |
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| 59 | elif event == 'return': |
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| 60 | try: |
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| 61 | t,t_cpu_prev,f = p_stack.pop() |
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| 62 | assert f == fun |
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| 63 | except IndexError: # TODO investigate |
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| 64 | t,t_cpu_prev,f = p_start_time, 0.0, None |
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| 65 | call_cnt, t_sum, t_cpu_sum = p_stats.get(fun, (0, 0.0, 0.0)) |
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| 66 | p_stats[fun] = (call_cnt+1, t_sum+time.time()-t, t_cpu_sum+t_cpu-t_cpu_prev) |
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| 67 | return profiler |
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| 68 | |
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| 69 | |
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| 70 | def profile_on(): |
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| 71 | global p_stats, p_start_time |
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| 72 | p_stats = {} |
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| 73 | p_start_time = time.time() |
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| 74 | threading.setprofile(profiler) |
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| 75 | sys.setprofile(profiler) |
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| 76 | |
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| 77 | debug_msg( 1, 'profile_on(): profiling..' ) |
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| 78 | |
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| 79 | def profile_off(): |
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| 80 | threading.setprofile(None) |
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| 81 | sys.setprofile(None) |
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| 82 | debug_msg( 1, 'profile_on(): profiling ended..' ) |
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| 83 | |
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| 84 | def get_profile_stats(): |
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| 85 | """ |
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| 86 | returns dict[function_tuple] -> stats_tuple |
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| 87 | where |
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| 88 | function_tuple = (function_name, filename, lineno) |
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| 89 | stats_tuple = (call_cnt, real_time, cpu_time) |
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| 90 | """ |
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| 91 | debug_msg( 1, 'get_profile_stats(): dumping stats..' ) |
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| 92 | return p_stats |
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| 93 | |
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[913] | 94 | VERSION='__VERSION__' |
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[284] | 95 | |
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[466] | 96 | def usage( ver ): |
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[284] | 97 | |
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[770] | 98 | print 'jobarchived %s' %VERSION |
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[284] | 99 | |
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[770] | 100 | if ver: |
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| 101 | return 0 |
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[284] | 102 | |
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[770] | 103 | print |
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| 104 | print 'Purpose:' |
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| 105 | print ' The Job Archive Daemon (jobarchived) stores batch job information in a SQL database' |
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| 106 | print ' and node statistics in a RRD archive' |
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| 107 | print |
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| 108 | print 'Usage: jobarchived [OPTIONS]' |
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| 109 | print |
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| 110 | print ' -c, --config=FILE The configuration file to use (default: /etc/jobarchived.conf)' |
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| 111 | print ' -p, --pidfile=FILE Use pid file to store the process id' |
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| 112 | print ' -h, --help Print help and exit' |
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| 113 | print ' -v, --version Print version and exit' |
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| 114 | print |
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[435] | 115 | |
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[214] | 116 | def processArgs( args ): |
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[6] | 117 | |
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[858] | 118 | SHORT_L = 'p:hvc:' |
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[773] | 119 | LONG_L = [ 'help', 'config=', 'pidfile=', 'version' ] |
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[169] | 120 | |
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[773] | 121 | config_filename = '/etc/jobarchived.conf' |
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[169] | 122 | |
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[770] | 123 | global PIDFILE |
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[435] | 124 | |
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[858] | 125 | PIDFILE = None |
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[435] | 126 | |
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[773] | 127 | try: |
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[169] | 128 | |
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[773] | 129 | opts, args = getopt.getopt( args, SHORT_L, LONG_L ) |
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[9] | 130 | |
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[773] | 131 | except getopt.error, detail: |
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[60] | 132 | |
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[773] | 133 | print detail |
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| 134 | sys.exit(1) |
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[9] | 135 | |
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[773] | 136 | for opt, value in opts: |
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[60] | 137 | |
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[773] | 138 | if opt in [ '--config', '-c' ]: |
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[13] | 139 | |
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[773] | 140 | config_filename = value |
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[198] | 141 | |
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[770] | 142 | if opt in [ '--pidfile', '-p' ]: |
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[435] | 143 | |
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[770] | 144 | PIDFILE = value |
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[435] | 145 | |
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[770] | 146 | if opt in [ '--help', '-h' ]: |
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[435] | 147 | |
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[770] | 148 | usage( False ) |
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| 149 | sys.exit( 0 ) |
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[435] | 150 | |
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[770] | 151 | if opt in [ '--version', '-v' ]: |
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[60] | 152 | |
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[770] | 153 | usage( True ) |
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| 154 | sys.exit( 0 ) |
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[22] | 155 | |
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[770] | 156 | try: |
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| 157 | return loadConfig( config_filename ) |
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[13] | 158 | |
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[770] | 159 | except ConfigParser.NoOptionError, detail: |
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[214] | 160 | |
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[770] | 161 | print detail |
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| 162 | sys.exit( 1 ) |
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[214] | 163 | |
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| 164 | def loadConfig( filename ): |
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| 165 | |
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[770] | 166 | def getlist( cfg_string ): |
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[214] | 167 | |
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[770] | 168 | my_list = [ ] |
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[214] | 169 | |
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[770] | 170 | for item_txt in cfg_string.split( ',' ): |
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[214] | 171 | |
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[770] | 172 | sep_char = None |
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[214] | 173 | |
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[770] | 174 | item_txt = item_txt.strip() |
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[214] | 175 | |
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[770] | 176 | for s_char in [ "'", '"' ]: |
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[214] | 177 | |
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[770] | 178 | if item_txt.find( s_char ) != -1: |
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[214] | 179 | |
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[770] | 180 | if item_txt.count( s_char ) != 2: |
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[214] | 181 | |
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[770] | 182 | print 'Missing quote: %s' %item_txt |
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| 183 | sys.exit( 1 ) |
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[214] | 184 | |
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[770] | 185 | else: |
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[214] | 186 | |
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[770] | 187 | sep_char = s_char |
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| 188 | break |
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[214] | 189 | |
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[770] | 190 | if sep_char: |
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[214] | 191 | |
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[770] | 192 | item_txt = item_txt.split( sep_char )[1] |
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[214] | 193 | |
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[770] | 194 | my_list.append( item_txt ) |
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[214] | 195 | |
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[770] | 196 | return my_list |
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[214] | 197 | |
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[770] | 198 | cfg = ConfigParser.ConfigParser() |
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[214] | 199 | |
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[770] | 200 | cfg.read( filename ) |
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[214] | 201 | |
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[770] | 202 | global DEBUG_LEVEL, USE_SYSLOG, SYSLOG_LEVEL, SYSLOG_FACILITY, GMETAD_CONF, ARCHIVE_XMLSOURCE |
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| 203 | global ARCHIVE_DATASOURCES, ARCHIVE_PATH, ARCHIVE_HOURS_PER_RRD, ARCHIVE_EXCLUDE_METRICS |
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[774] | 204 | global JOB_SQL_DBASE, DAEMONIZE, RRDTOOL, JOB_TIMEOUT, MODRRDTOOL, JOB_SQL_PASSWORD, JOB_SQL_USER |
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[214] | 205 | |
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[858] | 206 | ARCHIVE_PATH = cfg.get( 'DEFAULT', 'ARCHIVE_PATH' ) |
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[214] | 207 | |
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[858] | 208 | ARCHIVE_HOURS_PER_RRD = cfg.getint( 'DEFAULT', 'ARCHIVE_HOURS_PER_RRD' ) |
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[214] | 209 | |
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[858] | 210 | DEBUG_LEVEL = cfg.getint( 'DEFAULT', 'DEBUG_LEVEL' ) |
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[214] | 211 | |
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[858] | 212 | USE_SYSLOG = cfg.getboolean( 'DEFAULT', 'USE_SYSLOG' ) |
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[214] | 213 | |
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[858] | 214 | SYSLOG_LEVEL = cfg.getint( 'DEFAULT', 'SYSLOG_LEVEL' ) |
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[214] | 215 | |
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[858] | 216 | MODRRDTOOL = False |
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[375] | 217 | |
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[770] | 218 | try: |
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| 219 | global rrdtool |
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| 220 | import rrdtool |
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[214] | 221 | |
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[770] | 222 | MODRRDTOOL = True |
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[375] | 223 | |
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[770] | 224 | except ImportError: |
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[375] | 225 | |
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[770] | 226 | MODRRDTOOL = False |
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[375] | 227 | |
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[770] | 228 | 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] | 229 | |
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[770] | 230 | RRDTOOL = cfg.get( 'DEFAULT', 'RRDTOOL' ) |
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[455] | 231 | |
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[770] | 232 | try: |
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[375] | 233 | |
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[770] | 234 | SYSLOG_FACILITY = eval( 'syslog.LOG_' + cfg.get( 'DEFAULT', 'SYSLOG_FACILITY' ) ) |
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[214] | 235 | |
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[770] | 236 | except AttributeError, detail: |
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[214] | 237 | |
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[770] | 238 | print 'Unknown syslog facility' |
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| 239 | sys.exit( 1 ) |
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[214] | 240 | |
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[858] | 241 | GMETAD_CONF = cfg.get( 'DEFAULT', 'GMETAD_CONF' ) |
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[214] | 242 | |
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[858] | 243 | ARCHIVE_XMLSOURCE = cfg.get( 'DEFAULT', 'ARCHIVE_XMLSOURCE' ) |
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[214] | 244 | |
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[858] | 245 | ARCHIVE_DATASOURCES = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_DATASOURCES' ) ) |
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[214] | 246 | |
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[858] | 247 | ARCHIVE_EXCLUDE_METRICS = getlist( cfg.get( 'DEFAULT', 'ARCHIVE_EXCLUDE_METRICS' ) ) |
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[214] | 248 | |
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[858] | 249 | JOB_SQL_DBASE = cfg.get( 'DEFAULT', 'JOB_SQL_DBASE' ) |
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| 250 | JOB_SQL_USER = cfg.get( 'DEFAULT', 'JOB_SQL_USER' ) |
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[774] | 251 | JOB_SQL_PASSWORD = cfg.get( 'DEFAULT', 'JOB_SQL_PASSWORD' ) |
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[214] | 252 | |
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[858] | 253 | JOB_TIMEOUT = cfg.getint( 'DEFAULT', 'JOB_TIMEOUT' ) |
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[295] | 254 | |
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[858] | 255 | DAEMONIZE = cfg.getboolean( 'DEFAULT', 'DAEMONIZE' ) |
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[214] | 256 | |
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[770] | 257 | return True |
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[214] | 258 | |
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[17] | 259 | # What XML data types not to store |
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[13] | 260 | # |
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[17] | 261 | UNSUPPORTED_ARCHIVE_TYPES = [ 'string' ] |
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[9] | 262 | |
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[47] | 263 | # Maximum time (in seconds) a parsethread may run |
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| 264 | # |
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| 265 | PARSE_TIMEOUT = 60 |
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| 266 | |
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| 267 | # Maximum time (in seconds) a storethread may run |
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| 268 | # |
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| 269 | STORE_TIMEOUT = 360 |
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| 270 | |
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[8] | 271 | """ |
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[224] | 272 | The Job Archiving Daemon |
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[8] | 273 | """ |
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| 274 | |
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[214] | 275 | from types import * |
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| 276 | |
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| 277 | import xml.sax, xml.sax.handler, socket, string, os, os.path, time, thread, threading, random, re |
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| 278 | |
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[486] | 279 | try: |
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[773] | 280 | import psycopg2 |
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[486] | 281 | |
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| 282 | except ImportError, details: |
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| 283 | |
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[773] | 284 | print "FATAL ERROR: psycopg2 python module not found" |
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[770] | 285 | sys.exit( 1 ) |
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[486] | 286 | |
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[379] | 287 | class InitVars: |
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| 288 | Vars = {} |
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| 289 | |
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| 290 | def __init__(self, **key_arg): |
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| 291 | for (key, value) in key_arg.items(): |
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| 292 | if value: |
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| 293 | self.Vars[key] = value |
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| 294 | else: |
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| 295 | self.Vars[key] = None |
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| 296 | |
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| 297 | def __call__(self, *key): |
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| 298 | key = "%s" % key |
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| 299 | return self.Vars[key] |
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| 300 | |
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| 301 | def __getitem__(self, key): |
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| 302 | return self.Vars[key] |
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| 303 | |
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| 304 | def __repr__(self): |
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| 305 | return repr(self.Vars) |
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| 306 | |
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| 307 | def keys(self): |
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| 308 | barf = map(None, self.Vars.keys()) |
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| 309 | return barf |
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| 310 | |
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| 311 | def values(self): |
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| 312 | barf = map(None, self.Vars.values()) |
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| 313 | return barf |
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| 314 | |
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| 315 | def has_key(self, key): |
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| 316 | if self.Vars.has_key(key): |
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| 317 | return 1 |
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| 318 | else: |
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| 319 | return 0 |
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| 320 | |
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| 321 | class DBError(Exception): |
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| 322 | def __init__(self, msg=''): |
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| 323 | self.msg = msg |
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| 324 | Exception.__init__(self, msg) |
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| 325 | def __repr__(self): |
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| 326 | return self.msg |
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| 327 | __str__ = __repr__ |
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| 328 | |
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| 329 | # |
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| 330 | # Class to connect to a database |
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| 331 | # and return the queury in a list or dictionairy. |
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| 332 | # |
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| 333 | class DB: |
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[773] | 334 | def __init__(self, db_vars): |
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[379] | 335 | |
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[773] | 336 | self.dict = db_vars |
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[379] | 337 | |
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[773] | 338 | if self.dict.has_key('User'): |
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| 339 | self.user = self.dict['User'] |
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| 340 | else: |
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| 341 | self.user = 'postgres' |
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[379] | 342 | |
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[773] | 343 | if self.dict.has_key('Host'): |
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| 344 | self.host = self.dict['Host'] |
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| 345 | else: |
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| 346 | self.host = 'localhost' |
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[379] | 347 | |
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[773] | 348 | if self.dict.has_key('Password'): |
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| 349 | self.passwd = self.dict['Password'] |
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| 350 | else: |
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| 351 | self.passwd = '' |
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[379] | 352 | |
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[773] | 353 | if self.dict.has_key('DataBaseName'): |
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| 354 | self.db = self.dict['DataBaseName'] |
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| 355 | else: |
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| 356 | self.db = 'jobarchive' |
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[379] | 357 | |
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[773] | 358 | # connect_string = 'host:port:database:user:password: |
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| 359 | dsn = "host='%s' dbname='%s' user='%s' password='%s'" %(self.host, self.db, self.user, self.passwd) |
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[379] | 360 | |
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[773] | 361 | try: |
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| 362 | self.SQL = psycopg2.connect(dsn) |
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| 363 | except psycopg2.Error, details: |
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| 364 | str = "%s" %details |
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| 365 | raise DBError(str) |
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[379] | 366 | |
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[773] | 367 | def __repr__(self): |
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| 368 | return repr(self.result) |
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[379] | 369 | |
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[773] | 370 | def __nonzero__(self): |
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| 371 | return not(self.result == None) |
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[379] | 372 | |
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[773] | 373 | def __len__(self): |
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| 374 | return len(self.result) |
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[379] | 375 | |
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[773] | 376 | def __getitem__(self,i): |
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| 377 | return self.result[i] |
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[379] | 378 | |
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[773] | 379 | def __getslice__(self,i,j): |
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| 380 | return self.result[i:j] |
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[379] | 381 | |
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[773] | 382 | def Get(self, q_str): |
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| 383 | c = self.SQL.cursor() |
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| 384 | try: |
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| 385 | c.execute(q_str) |
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| 386 | result = c.fetchall() |
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| 387 | except psycopg2.Error, details: |
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| 388 | c.close() |
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| 389 | str = "%s" %details |
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| 390 | raise DBError(str) |
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[379] | 391 | |
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[773] | 392 | c.close() |
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| 393 | return result |
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[379] | 394 | |
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[773] | 395 | def Set(self, q_str): |
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| 396 | c = self.SQL.cursor() |
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| 397 | try: |
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| 398 | c.execute(q_str) |
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[379] | 399 | |
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[773] | 400 | except psycopg2.Error, details: |
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| 401 | c.close() |
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| 402 | str = "%s" %details |
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| 403 | raise DBError(str) |
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[379] | 404 | |
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[773] | 405 | c.close() |
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[774] | 406 | return True |
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[379] | 407 | |
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[773] | 408 | def Commit(self): |
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[379] | 409 | |
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[792] | 410 | return self.SQL.commit() |
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| 411 | |
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| 412 | def Rollback( self ): |
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| 413 | |
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| 414 | return self.SQL.rollback() |
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| 415 | |
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[84] | 416 | class DataSQLStore: |
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| 417 | |
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[770] | 418 | db_vars = None |
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| 419 | dbc = None |
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[84] | 420 | |
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[770] | 421 | def __init__( self, hostname, database ): |
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[84] | 422 | |
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[774] | 423 | global JOB_SQL_USER, JOB_SQL_PASSWORD |
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| 424 | |
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[770] | 425 | self.db_vars = InitVars(DataBaseName=database, |
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[774] | 426 | User=JOB_SQL_USER, |
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[770] | 427 | Host=hostname, |
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[774] | 428 | Password=JOB_SQL_PASSWORD, |
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[770] | 429 | Dictionary='true') |
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[84] | 430 | |
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[770] | 431 | try: |
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| 432 | self.dbc = DB(self.db_vars) |
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| 433 | except DBError, details: |
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| 434 | debug_msg( 0, 'FATAL ERROR: Unable to connect to database!: ' +str(details) ) |
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| 435 | sys.exit(1) |
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[84] | 436 | |
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[770] | 437 | def setDatabase(self, statement): |
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[792] | 438 | |
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[770] | 439 | ret = self.doDatabase('set', statement) |
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| 440 | return ret |
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| 441 | |
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| 442 | def getDatabase(self, statement): |
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[792] | 443 | |
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[770] | 444 | ret = self.doDatabase('get', statement) |
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| 445 | return ret |
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[84] | 446 | |
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[792] | 447 | def doCommit( self ): |
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| 448 | |
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| 449 | return self.dbc.Commit() |
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| 450 | |
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| 451 | def doRollback( self ): |
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| 452 | |
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| 453 | return self.dbc.Rollback() |
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| 454 | |
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[770] | 455 | def doDatabase(self, type, statement): |
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[84] | 456 | |
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[770] | 457 | debug_msg( 10, 'doDatabase(): %s: %s' %(type, statement) ) |
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| 458 | try: |
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| 459 | if type == 'set': |
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| 460 | result = self.dbc.Set( statement ) |
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| 461 | elif type == 'get': |
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| 462 | result = self.dbc.Get( statement ) |
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| 463 | |
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| 464 | except DBError, detail: |
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| 465 | operation = statement.split(' ')[0] |
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[792] | 466 | debug_msg( 0, 'ERROR: ' +operation+ ' on database failed while doing ['+statement+'] full msg: '+str(detail) ) |
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| 467 | return False |
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[84] | 468 | |
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[770] | 469 | debug_msg( 10, 'doDatabase(): result: %s' %(result) ) |
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| 470 | return result |
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[84] | 471 | |
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[770] | 472 | def getJobNodeId( self, job_id, node_id ): |
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[191] | 473 | |
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[770] | 474 | id = self.getDatabase( "SELECT job_id,node_id FROM job_nodes WHERE job_id = '%s' AND node_id = '%s'" %(job_id, node_id) ) |
---|
[792] | 475 | if not id: |
---|
| 476 | return False |
---|
| 477 | |
---|
[770] | 478 | if len( id ) > 0: |
---|
[191] | 479 | |
---|
[770] | 480 | if len( id[0] ) > 0 and id[0] != '': |
---|
| 481 | |
---|
[792] | 482 | return True |
---|
[191] | 483 | |
---|
[792] | 484 | return False |
---|
[191] | 485 | |
---|
[770] | 486 | def getNodeId( self, hostname ): |
---|
[84] | 487 | |
---|
[770] | 488 | id = self.getDatabase( "SELECT node_id FROM nodes WHERE node_hostname = '%s'" %hostname ) |
---|
[84] | 489 | |
---|
[770] | 490 | if len( id ) > 0: |
---|
[84] | 491 | |
---|
[770] | 492 | id = id[0][0] |
---|
[89] | 493 | |
---|
[770] | 494 | return id |
---|
| 495 | else: |
---|
| 496 | return None |
---|
[84] | 497 | |
---|
[770] | 498 | def getNodeIds( self, hostnames ): |
---|
[84] | 499 | |
---|
[770] | 500 | ids = [ ] |
---|
[84] | 501 | |
---|
[770] | 502 | for node in hostnames: |
---|
[84] | 503 | |
---|
[770] | 504 | id = self.getNodeId( node ) |
---|
[84] | 505 | |
---|
[770] | 506 | if id: |
---|
| 507 | ids.append( id ) |
---|
[84] | 508 | |
---|
[770] | 509 | return ids |
---|
[84] | 510 | |
---|
[770] | 511 | def getJobId( self, jobid ): |
---|
[84] | 512 | |
---|
[770] | 513 | id = self.getDatabase( "SELECT job_id FROM jobs WHERE job_id = '%s'" %jobid ) |
---|
[84] | 514 | |
---|
[770] | 515 | if id: |
---|
| 516 | id = id[0][0] |
---|
[84] | 517 | |
---|
[770] | 518 | return id |
---|
| 519 | else: |
---|
| 520 | return None |
---|
[84] | 521 | |
---|
[770] | 522 | def addJob( self, job_id, jobattrs ): |
---|
[84] | 523 | |
---|
[770] | 524 | if not self.getJobId( job_id ): |
---|
[84] | 525 | |
---|
[792] | 526 | return self.mutateJob( 'insert', job_id, jobattrs ) |
---|
[770] | 527 | else: |
---|
[792] | 528 | return self.mutateJob( 'update', job_id, jobattrs ) |
---|
[84] | 529 | |
---|
[770] | 530 | def mutateJob( self, action, job_id, jobattrs ): |
---|
[84] | 531 | |
---|
[782] | 532 | job_values = [ 'name', 'queue', 'owner', 'requested_time', 'requested_memory', 'ppn', 'status', 'start_timestamp', 'stop_timestamp' ] |
---|
[84] | 533 | |
---|
[782] | 534 | insert_col_str = 'job_id' |
---|
| 535 | insert_val_str = "'%s'" %job_id |
---|
| 536 | update_str = None |
---|
[84] | 537 | |
---|
[770] | 538 | debug_msg( 10, 'mutateJob(): %s %s' %(action,job_id)) |
---|
[84] | 539 | |
---|
[770] | 540 | ids = [ ] |
---|
[99] | 541 | |
---|
[770] | 542 | for valname, value in jobattrs.items(): |
---|
[84] | 543 | |
---|
[770] | 544 | if valname in job_values and value != '': |
---|
[84] | 545 | |
---|
[770] | 546 | column_name = 'job_' + valname |
---|
[84] | 547 | |
---|
[770] | 548 | if action == 'insert': |
---|
[84] | 549 | |
---|
[770] | 550 | if not insert_col_str: |
---|
| 551 | insert_col_str = column_name |
---|
| 552 | else: |
---|
| 553 | insert_col_str = insert_col_str + ',' + column_name |
---|
[84] | 554 | |
---|
[770] | 555 | if not insert_val_str: |
---|
| 556 | insert_val_str = value |
---|
| 557 | else: |
---|
| 558 | insert_val_str = insert_val_str + ",'%s'" %value |
---|
[84] | 559 | |
---|
[770] | 560 | elif action == 'update': |
---|
| 561 | |
---|
| 562 | if not update_str: |
---|
| 563 | update_str = "%s='%s'" %(column_name, value) |
---|
| 564 | else: |
---|
| 565 | update_str = update_str + ",%s='%s'" %(column_name, value) |
---|
[84] | 566 | |
---|
[770] | 567 | elif valname == 'nodes' and value: |
---|
[84] | 568 | |
---|
[770] | 569 | node_valid = 1 |
---|
[190] | 570 | |
---|
[770] | 571 | if len(value) == 1: |
---|
| 572 | |
---|
| 573 | if jobattrs['status'] == 'Q': |
---|
[190] | 574 | |
---|
[770] | 575 | node_valid = 0 |
---|
[190] | 576 | |
---|
[770] | 577 | else: |
---|
[190] | 578 | |
---|
[770] | 579 | node_valid = 0 |
---|
[190] | 580 | |
---|
[770] | 581 | for node_char in str(value[0]): |
---|
[190] | 582 | |
---|
[770] | 583 | if string.find( string.digits, node_char ) != -1 and not node_valid: |
---|
[190] | 584 | |
---|
[770] | 585 | node_valid = 1 |
---|
[84] | 586 | |
---|
[770] | 587 | if node_valid: |
---|
[191] | 588 | |
---|
[770] | 589 | ids = self.addNodes( value, jobattrs['domain'] ) |
---|
[191] | 590 | |
---|
[770] | 591 | if action == 'insert': |
---|
[84] | 592 | |
---|
[792] | 593 | db_ret = self.setDatabase( "INSERT INTO jobs ( %s ) VALUES ( %s )" %( insert_col_str, insert_val_str ) ) |
---|
[86] | 594 | |
---|
[770] | 595 | elif action == 'update': |
---|
[84] | 596 | |
---|
[792] | 597 | db_ret = self.setDatabase( "UPDATE jobs SET %s WHERE job_id='%s'" %(update_str, job_id) ) |
---|
[84] | 598 | |
---|
[770] | 599 | if len( ids ) > 0: |
---|
| 600 | self.addJobNodes( job_id, ids ) |
---|
[190] | 601 | |
---|
[792] | 602 | return db_ret |
---|
| 603 | |
---|
[770] | 604 | def addNodes( self, hostnames, domain ): |
---|
[84] | 605 | |
---|
[770] | 606 | ids = [ ] |
---|
[98] | 607 | |
---|
[770] | 608 | for node in hostnames: |
---|
[84] | 609 | |
---|
[770] | 610 | node = '%s.%s' %( node, domain ) |
---|
| 611 | id = self.getNodeId( node ) |
---|
| 612 | |
---|
| 613 | if not id: |
---|
| 614 | self.setDatabase( "INSERT INTO nodes ( node_hostname ) VALUES ( '%s' )" %node ) |
---|
| 615 | id = self.getNodeId( node ) |
---|
[84] | 616 | |
---|
[770] | 617 | ids.append( id ) |
---|
[98] | 618 | |
---|
[770] | 619 | return ids |
---|
[98] | 620 | |
---|
[770] | 621 | def addJobNodes( self, jobid, nodes ): |
---|
[86] | 622 | |
---|
[770] | 623 | for node in nodes: |
---|
[86] | 624 | |
---|
[770] | 625 | if not self.getJobNodeId( jobid, node ): |
---|
[191] | 626 | |
---|
[770] | 627 | self.addJobNode( jobid, node ) |
---|
[191] | 628 | |
---|
[770] | 629 | def addJobNode( self, jobid, nodeid ): |
---|
[84] | 630 | |
---|
[774] | 631 | self.setDatabase( "INSERT INTO job_nodes (job_id,node_id) VALUES ( '%s',%s )" %(jobid, nodeid) ) |
---|
[84] | 632 | |
---|
[770] | 633 | def storeJobInfo( self, jobid, jobattrs ): |
---|
[84] | 634 | |
---|
[792] | 635 | return self.addJob( jobid, jobattrs ) |
---|
[84] | 636 | |
---|
[857] | 637 | def checkTimedoutJobs( self ): |
---|
[295] | 638 | |
---|
[857] | 639 | debug_msg( 1, 'Housekeeping: checking database for timed out jobs..' ) |
---|
| 640 | |
---|
[770] | 641 | # Locate all jobs in the database that are not set to finished |
---|
| 642 | # |
---|
| 643 | q = "SELECT * from jobs WHERE job_status != 'F'" |
---|
[295] | 644 | |
---|
[770] | 645 | r = self.getDatabase( q ) |
---|
[295] | 646 | |
---|
[770] | 647 | if len( r ) == 0: |
---|
[295] | 648 | |
---|
[770] | 649 | return None |
---|
[295] | 650 | |
---|
[857] | 651 | timeoutjobs = [ ] |
---|
[295] | 652 | |
---|
[857] | 653 | jobtimeout_sec = JOB_TIMEOUT * (60 * 60) |
---|
| 654 | cur_time = time.time() |
---|
[295] | 655 | |
---|
[770] | 656 | for row in r: |
---|
[295] | 657 | |
---|
[857] | 658 | job_id = row[0] |
---|
| 659 | job_requested_time = row[4] |
---|
| 660 | job_status = row[7] |
---|
| 661 | job_start_timestamp = row[8] |
---|
[295] | 662 | |
---|
[770] | 663 | # If it was set to queued and we didn't see it started |
---|
| 664 | # there's not point in keeping it around |
---|
| 665 | # |
---|
[857] | 666 | if job_status == 'R' and job_start_timestamp: |
---|
[295] | 667 | |
---|
[770] | 668 | start_timestamp = int( job_start_timestamp ) |
---|
[295] | 669 | |
---|
[770] | 670 | # If it was set to running longer than JOB_TIMEOUT |
---|
| 671 | # close the job: it probably finished while we were not running |
---|
| 672 | # |
---|
| 673 | if ( cur_time - start_timestamp ) > jobtimeout_sec: |
---|
[295] | 674 | |
---|
[770] | 675 | if job_requested_time: |
---|
[295] | 676 | |
---|
[770] | 677 | rtime_epoch = reqtime2epoch( job_requested_time ) |
---|
| 678 | else: |
---|
| 679 | rtime_epoch = None |
---|
| 680 | |
---|
| 681 | timeoutjobs.append( (job_id, job_start_timestamp, rtime_epoch) ) |
---|
[295] | 682 | |
---|
[857] | 683 | debug_msg( 1, 'Housekeeping: Found ' + str( len( timeoutjobs ) ) + ' timed out jobs in database: closing entries' ) |
---|
[295] | 684 | |
---|
[857] | 685 | ret_jobids_clean = [ ] |
---|
[295] | 686 | |
---|
[770] | 687 | # Close these jobs in the database |
---|
| 688 | # update the stop_timestamp to: start_timestamp + requested wallclock |
---|
| 689 | # and set state: finished |
---|
| 690 | # |
---|
| 691 | for j in timeoutjobs: |
---|
[295] | 692 | |
---|
[770] | 693 | ( i, s, r ) = j |
---|
[295] | 694 | |
---|
[770] | 695 | if r: |
---|
| 696 | new_end_timestamp = int( s ) + r |
---|
[295] | 697 | |
---|
[857] | 698 | q = "UPDATE jobs SET job_status='F',job_stop_timestamp = '" + str( new_end_timestamp ) + "' WHERE job_id = '" + str(i) + "'" |
---|
| 699 | self.setDatabase( q ) |
---|
| 700 | else: |
---|
| 701 | |
---|
| 702 | # Requested walltime unknown: cannot guess end time: sorry delete them |
---|
| 703 | q = "DELETE FROM jobs WHERE job_id = '" + str( i ) + "'" |
---|
| 704 | self.setDatabase( q ) |
---|
| 705 | |
---|
| 706 | ret_jobids_clean.append( i ) |
---|
| 707 | |
---|
| 708 | debug_msg( 1, 'Housekeeping: done.' ) |
---|
| 709 | |
---|
| 710 | return ret_jobids_clean |
---|
| 711 | |
---|
| 712 | def checkStaleJobs( self ): |
---|
| 713 | |
---|
| 714 | debug_msg( 1, 'Housekeeping: checking database for stale jobs..' ) |
---|
| 715 | |
---|
| 716 | # Locate all jobs in the database that are not set to finished |
---|
| 717 | # |
---|
| 718 | q = "SELECT * from jobs WHERE job_status != 'F'" |
---|
| 719 | |
---|
| 720 | r = self.getDatabase( q ) |
---|
| 721 | |
---|
| 722 | if len( r ) == 0: |
---|
| 723 | |
---|
| 724 | return None |
---|
| 725 | |
---|
| 726 | cleanjobs = [ ] |
---|
| 727 | |
---|
| 728 | cur_time = time.time() |
---|
| 729 | |
---|
| 730 | for row in r: |
---|
| 731 | |
---|
| 732 | job_id = row[0] |
---|
| 733 | job_requested_time = row[4] |
---|
| 734 | job_status = row[7] |
---|
| 735 | job_start_timestamp = row[8] |
---|
| 736 | |
---|
| 737 | # If it was set to queued and we didn't see it started |
---|
| 738 | # there's not point in keeping it around |
---|
| 739 | # |
---|
| 740 | if job_status == 'Q' or not job_start_timestamp: |
---|
| 741 | |
---|
| 742 | cleanjobs.append( job_id ) |
---|
| 743 | |
---|
| 744 | debug_msg( 1, 'Housekeeping: Found ' + str( len( cleanjobs ) ) + ' stale jobs in database: deleting entries' ) |
---|
| 745 | |
---|
| 746 | # Purge these from database |
---|
| 747 | # |
---|
| 748 | for j in cleanjobs: |
---|
| 749 | |
---|
| 750 | q = "DELETE FROM jobs WHERE job_id = '" + str( j ) + "'" |
---|
[770] | 751 | self.setDatabase( q ) |
---|
[295] | 752 | |
---|
[857] | 753 | debug_msg( 1, 'Housekeeping: done.' ) |
---|
| 754 | |
---|
| 755 | return cleanjobs |
---|
| 756 | |
---|
[37] | 757 | class RRDMutator: |
---|
[770] | 758 | """A class for performing RRD mutations""" |
---|
[37] | 759 | |
---|
[770] | 760 | binary = None |
---|
[37] | 761 | |
---|
[770] | 762 | def __init__( self, binary=None ): |
---|
| 763 | """Set alternate binary if supplied""" |
---|
[37] | 764 | |
---|
[770] | 765 | if binary: |
---|
| 766 | self.binary = binary |
---|
[37] | 767 | |
---|
[770] | 768 | def create( self, filename, args ): |
---|
| 769 | """Create a new rrd with args""" |
---|
[63] | 770 | |
---|
[770] | 771 | global MODRRDTOOL |
---|
[37] | 772 | |
---|
[770] | 773 | if MODRRDTOOL: |
---|
| 774 | return self.perform( 'create', filename, args ) |
---|
| 775 | else: |
---|
| 776 | return self.perform( 'create', '"' + filename + '"', args ) |
---|
[375] | 777 | |
---|
[770] | 778 | def update( self, filename, args ): |
---|
| 779 | """Update a rrd with args""" |
---|
[63] | 780 | |
---|
[770] | 781 | global MODRRDTOOL |
---|
[37] | 782 | |
---|
[770] | 783 | if MODRRDTOOL: |
---|
| 784 | return self.perform( 'update', filename, args ) |
---|
| 785 | else: |
---|
| 786 | return self.perform( 'update', '"' + filename + '"', args ) |
---|
[375] | 787 | |
---|
[770] | 788 | def grabLastUpdate( self, filename ): |
---|
| 789 | """Determine the last update time of filename rrd""" |
---|
[42] | 790 | |
---|
[770] | 791 | global MODRRDTOOL |
---|
[375] | 792 | |
---|
[770] | 793 | last_update = 0 |
---|
[42] | 794 | |
---|
[770] | 795 | # Use the py-rrdtool module if it's available on this system |
---|
| 796 | # |
---|
| 797 | if MODRRDTOOL: |
---|
[53] | 798 | |
---|
[770] | 799 | debug_msg( 8, 'rrdtool.info( ' + filename + ' )' ) |
---|
[42] | 800 | |
---|
[770] | 801 | rrd_header = { } |
---|
[292] | 802 | |
---|
[770] | 803 | try: |
---|
| 804 | rrd_header = rrdtool.info( filename ) |
---|
| 805 | except rrdtool.error, msg: |
---|
| 806 | debug_msg( 8, str( msg ) ) |
---|
[375] | 807 | |
---|
[770] | 808 | if rrd_header.has_key( 'last_update' ): |
---|
| 809 | return last_update |
---|
| 810 | else: |
---|
| 811 | return 0 |
---|
[375] | 812 | |
---|
[770] | 813 | # For backwards compatiblity: use the rrdtool binary if py-rrdtool is unavailable |
---|
| 814 | # DEPRECATED (slow!) |
---|
| 815 | # |
---|
| 816 | else: |
---|
| 817 | debug_msg( 8, self.binary + ' info ' + filename ) |
---|
[42] | 818 | |
---|
[770] | 819 | my_pipe = os.popen( self.binary + ' info "' + filename + '"' ) |
---|
[375] | 820 | |
---|
[770] | 821 | for line in my_pipe.readlines(): |
---|
[375] | 822 | |
---|
[770] | 823 | if line.find( 'last_update') != -1: |
---|
[375] | 824 | |
---|
[770] | 825 | last_update = line.split( ' = ' )[1] |
---|
[375] | 826 | |
---|
[770] | 827 | if my_pipe: |
---|
[375] | 828 | |
---|
[770] | 829 | my_pipe.close() |
---|
[375] | 830 | |
---|
[770] | 831 | if last_update: |
---|
| 832 | return last_update |
---|
| 833 | else: |
---|
| 834 | return 0 |
---|
[375] | 835 | |
---|
| 836 | |
---|
[770] | 837 | def perform( self, action, filename, args ): |
---|
| 838 | """Perform action on rrd filename with args""" |
---|
[37] | 839 | |
---|
[770] | 840 | global MODRRDTOOL |
---|
[375] | 841 | |
---|
[770] | 842 | arg_string = None |
---|
[37] | 843 | |
---|
[770] | 844 | if type( args ) is not ListType: |
---|
| 845 | debug_msg( 8, 'Arguments needs to be of type List' ) |
---|
| 846 | return 1 |
---|
[40] | 847 | |
---|
[770] | 848 | for arg in args: |
---|
[37] | 849 | |
---|
[770] | 850 | if not arg_string: |
---|
[37] | 851 | |
---|
[770] | 852 | arg_string = arg |
---|
| 853 | else: |
---|
| 854 | arg_string = arg_string + ' ' + arg |
---|
[37] | 855 | |
---|
[770] | 856 | if MODRRDTOOL: |
---|
[37] | 857 | |
---|
[770] | 858 | debug_msg( 8, 'rrdtool.' + action + "( " + filename + ' ' + arg_string + ")" ) |
---|
[292] | 859 | |
---|
[770] | 860 | try: |
---|
| 861 | debug_msg( 8, "filename '" + str(filename) + "' type "+ str(type(filename)) + " args " + str( args ) ) |
---|
[37] | 862 | |
---|
[770] | 863 | if action == 'create': |
---|
[146] | 864 | |
---|
[770] | 865 | rrdtool.create( str( filename ), *args ) |
---|
[37] | 866 | |
---|
[770] | 867 | elif action == 'update': |
---|
[37] | 868 | |
---|
[770] | 869 | rrdtool.update( str( filename ), *args ) |
---|
[365] | 870 | |
---|
[770] | 871 | except rrdtool.error, msg: |
---|
[365] | 872 | |
---|
[770] | 873 | error_msg = str( msg ) |
---|
| 874 | debug_msg( 8, error_msg ) |
---|
| 875 | return 1 |
---|
[375] | 876 | |
---|
[770] | 877 | else: |
---|
[375] | 878 | |
---|
[770] | 879 | debug_msg( 8, self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
[375] | 880 | |
---|
[770] | 881 | cmd = os.popen( self.binary + ' ' + action + ' ' + filename + ' ' + arg_string ) |
---|
| 882 | lines = cmd.readlines() |
---|
[375] | 883 | |
---|
[770] | 884 | cmd.close() |
---|
[375] | 885 | |
---|
[770] | 886 | for line in lines: |
---|
[375] | 887 | |
---|
[770] | 888 | if line.find( 'ERROR' ) != -1: |
---|
[375] | 889 | |
---|
[770] | 890 | error_msg = string.join( line.split( ' ' )[1:] ) |
---|
| 891 | debug_msg( 8, error_msg ) |
---|
| 892 | return 1 |
---|
[375] | 893 | |
---|
[770] | 894 | return 0 |
---|
[37] | 895 | |
---|
[78] | 896 | class XMLProcessor: |
---|
[770] | 897 | """Skeleton class for XML processor's""" |
---|
[78] | 898 | |
---|
[770] | 899 | def run( self ): |
---|
| 900 | """Do main processing of XML here""" |
---|
[78] | 901 | |
---|
[770] | 902 | pass |
---|
[78] | 903 | |
---|
[782] | 904 | class JobXMLProcessor( XMLProcessor ): |
---|
[770] | 905 | """Main class for processing XML and acting with it""" |
---|
[78] | 906 | |
---|
[770] | 907 | def __init__( self, XMLSource, DataStore ): |
---|
| 908 | """Setup initial XML connection and handlers""" |
---|
[78] | 909 | |
---|
[782] | 910 | self.myXMLSource = XMLSource |
---|
| 911 | self.myXMLHandler = JobXMLHandler( DataStore ) |
---|
| 912 | self.myXMLError = XMLErrorHandler() |
---|
[78] | 913 | |
---|
[782] | 914 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
[287] | 915 | |
---|
[782] | 916 | self.kill_thread = False |
---|
| 917 | |
---|
| 918 | def killThread( self ): |
---|
| 919 | |
---|
| 920 | self.kill_thread = True |
---|
| 921 | |
---|
[770] | 922 | def run( self ): |
---|
| 923 | """Main XML processing""" |
---|
[78] | 924 | |
---|
[782] | 925 | debug_msg( 1, 'job_xml_thread(): started.' ) |
---|
[87] | 926 | |
---|
[770] | 927 | while( 1 ): |
---|
[78] | 928 | |
---|
[782] | 929 | debug_msg( 1, 'job_xml_thread(): Retrieving XML data..' ) |
---|
[176] | 930 | |
---|
[770] | 931 | my_data = self.myXMLSource.getData() |
---|
[287] | 932 | |
---|
[782] | 933 | debug_msg( 1, 'job_xml_thread(): Done retrieving: data size %d' %len(my_data) ) |
---|
[469] | 934 | |
---|
[770] | 935 | if my_data: |
---|
[782] | 936 | debug_msg( 1, 'job_xml_thread(): Parsing XML..' ) |
---|
[469] | 937 | |
---|
[770] | 938 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
[469] | 939 | |
---|
[926] | 940 | if self.myXMLError.isFatal(): |
---|
| 941 | |
---|
| 942 | sys.exit( 1 ) |
---|
| 943 | |
---|
[782] | 944 | debug_msg( 1, 'job_xml_thread(): Done parsing.' ) |
---|
[774] | 945 | else: |
---|
[782] | 946 | debug_msg( 1, 'job_xml_thread(): Got no data.' ) |
---|
[774] | 947 | |
---|
[782] | 948 | if self.kill_thread: |
---|
| 949 | |
---|
| 950 | debug_msg( 1, 'job_xml_thread(): killed.' ) |
---|
| 951 | return None |
---|
[770] | 952 | |
---|
[782] | 953 | debug_msg( 1, 'job_xml_thread(): Sleeping.. (%ss)' %(str( self.config.getLowestInterval() ) ) ) |
---|
[770] | 954 | time.sleep( self.config.getLowestInterval() ) |
---|
[78] | 955 | |
---|
[782] | 956 | class JobXMLHandler( xml.sax.handler.ContentHandler ): |
---|
| 957 | """Parse Job's jobinfo XML from our plugin""" |
---|
[63] | 958 | |
---|
[770] | 959 | def __init__( self, datastore ): |
---|
[84] | 960 | |
---|
[782] | 961 | self.ds = datastore |
---|
| 962 | self.jobs_processed = [ ] |
---|
| 963 | self.jobs_to_store = [ ] |
---|
| 964 | self.jobAttrs = { } |
---|
| 965 | self.jobAttrsSaved = { } |
---|
| 966 | |
---|
[857] | 967 | self.iteration = 0 |
---|
| 968 | |
---|
| 969 | self.ds.checkTimedoutJobs() |
---|
| 970 | self.ds.checkStaleJobs() |
---|
| 971 | |
---|
[774] | 972 | debug_msg( 1, "XML: Handler created" ) |
---|
[84] | 973 | |
---|
[770] | 974 | def startDocument( self ): |
---|
[183] | 975 | |
---|
[782] | 976 | self.jobs_processed = [ ] |
---|
| 977 | self.heartbeat = 0 |
---|
| 978 | self.elementct = 0 |
---|
[857] | 979 | self.iteration = self.iteration + 1 |
---|
[782] | 980 | |
---|
[857] | 981 | if self.iteration > 20: |
---|
[183] | 982 | |
---|
[857] | 983 | timedout_jobs = self.ds.checkTimedoutJobs() |
---|
| 984 | self.iteration = 0 |
---|
| 985 | |
---|
[925] | 986 | if timedout_jobs != None: |
---|
[857] | 987 | |
---|
[925] | 988 | for j in timedout_jobs: |
---|
[857] | 989 | |
---|
[949] | 990 | try: |
---|
| 991 | del self.jobAttrs[ j ] |
---|
| 992 | del self.jobAttrsSaved[ j ] |
---|
| 993 | except KeyError: |
---|
| 994 | pass |
---|
[925] | 995 | |
---|
[857] | 996 | debug_msg( 1, "XML: Start document: iteration %s" %str(self.iteration) ) |
---|
| 997 | |
---|
[770] | 998 | def startElement( self, name, attrs ): |
---|
| 999 | """ |
---|
| 1000 | This XML will be all gmetric XML |
---|
| 1001 | so there will be no specific start/end element |
---|
| 1002 | just one XML statement with all info |
---|
| 1003 | """ |
---|
[782] | 1004 | |
---|
[770] | 1005 | jobinfo = { } |
---|
[63] | 1006 | |
---|
[770] | 1007 | self.elementct += 1 |
---|
[365] | 1008 | |
---|
[770] | 1009 | if name == 'CLUSTER': |
---|
[63] | 1010 | |
---|
[770] | 1011 | self.clustername = str( attrs.get( 'NAME', "" ) ) |
---|
[199] | 1012 | |
---|
[770] | 1013 | elif name == 'METRIC' and self.clustername in ARCHIVE_DATASOURCES: |
---|
[199] | 1014 | |
---|
[770] | 1015 | metricname = str( attrs.get( 'NAME', "" ) ) |
---|
[63] | 1016 | |
---|
[772] | 1017 | if metricname == 'zplugin_monarch_heartbeat': |
---|
[782] | 1018 | |
---|
[770] | 1019 | self.heartbeat = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 1020 | |
---|
[772] | 1021 | elif metricname.find( 'zplugin_monarch_job' ) != -1: |
---|
[63] | 1022 | |
---|
[782] | 1023 | job_id = metricname.split( 'zplugin_monarch_job_' )[1].split( '_' )[1] |
---|
| 1024 | val = str( attrs.get( 'VAL', "" ) ) |
---|
[63] | 1025 | |
---|
[770] | 1026 | valinfo = val.split( ' ' ) |
---|
[63] | 1027 | |
---|
[770] | 1028 | for myval in valinfo: |
---|
[63] | 1029 | |
---|
[770] | 1030 | if len( myval.split( '=' ) ) > 1: |
---|
[63] | 1031 | |
---|
[782] | 1032 | valname = myval.split( '=' )[0] |
---|
| 1033 | value = myval.split( '=' )[1] |
---|
[70] | 1034 | |
---|
[770] | 1035 | if valname == 'nodes': |
---|
[782] | 1036 | |
---|
[770] | 1037 | value = value.split( ';' ) |
---|
[72] | 1038 | |
---|
[770] | 1039 | jobinfo[ valname ] = value |
---|
[84] | 1040 | |
---|
[782] | 1041 | self.jobAttrs[ job_id ] = jobinfo |
---|
[84] | 1042 | |
---|
[782] | 1043 | self.jobs_processed.append( job_id ) |
---|
[949] | 1044 | |
---|
[770] | 1045 | |
---|
| 1046 | def endDocument( self ): |
---|
| 1047 | """When all metrics have gone, check if any jobs have finished""" |
---|
[72] | 1048 | |
---|
[783] | 1049 | jobs_finished = [ ] |
---|
| 1050 | |
---|
[782] | 1051 | debug_msg( 1, "XML: Processed "+str(self.elementct)+ " elements - found "+str(len(self.jobs_processed))+" jobs" ) |
---|
[365] | 1052 | |
---|
[782] | 1053 | if self.heartbeat == 0: |
---|
| 1054 | return None |
---|
[74] | 1055 | |
---|
[782] | 1056 | for jobid, jobinfo in self.jobAttrs.items(): |
---|
[102] | 1057 | |
---|
[782] | 1058 | if jobinfo['reported'] != self.heartbeat: |
---|
[74] | 1059 | |
---|
[782] | 1060 | if (jobinfo['status'] != 'R'): |
---|
| 1061 | debug_msg( 1, 'job %s report time %s does not match current heartbeat %s : ignoring job' %(jobid, jobinfo['reported'], self.heartbeat ) ) |
---|
| 1062 | del self.jobAttrs[ jobid ] |
---|
[96] | 1063 | |
---|
[782] | 1064 | if jobid in self.jobs_to_store: |
---|
| 1065 | del self.jobs_to_store[ jobid ] |
---|
| 1066 | |
---|
| 1067 | continue |
---|
| 1068 | |
---|
| 1069 | elif jobid not in self.jobs_processed: |
---|
[783] | 1070 | |
---|
[782] | 1071 | # Was running previous heartbeat but not anymore: must be finished |
---|
[770] | 1072 | self.jobAttrs[ jobid ]['status'] = 'F' |
---|
| 1073 | self.jobAttrs[ jobid ]['stop_timestamp'] = str( self.heartbeat ) |
---|
[782] | 1074 | debug_msg( 1, 'job %s appears to have finished' %jobid ) |
---|
[96] | 1075 | |
---|
[783] | 1076 | jobs_finished.append( jobid ) |
---|
| 1077 | |
---|
[770] | 1078 | if not jobid in self.jobs_to_store: |
---|
| 1079 | self.jobs_to_store.append( jobid ) |
---|
[74] | 1080 | |
---|
[782] | 1081 | continue |
---|
[87] | 1082 | |
---|
[782] | 1083 | elif self.jobAttrsSaved.has_key( jobid ): |
---|
[84] | 1084 | |
---|
[783] | 1085 | # This should pretty much never happen, but hey let's be careful |
---|
| 1086 | # Perhaps if someone altered their job while in queue with qalter |
---|
| 1087 | |
---|
[782] | 1088 | if self.jobinfoChanged( jobid, jobinfo ): |
---|
[184] | 1089 | |
---|
[782] | 1090 | self.jobAttrs[ jobid ]['stop_timestamp'] = '' |
---|
| 1091 | self.jobAttrs[ jobid ] = self.setJobAttrs( self.jobAttrs[ jobid ], jobinfo ) |
---|
[184] | 1092 | |
---|
[782] | 1093 | if not jobid in self.jobs_to_store: |
---|
[87] | 1094 | |
---|
[782] | 1095 | self.jobs_to_store.append( jobid ) |
---|
[84] | 1096 | |
---|
[782] | 1097 | debug_msg( 10, 'jobinfo for job %s has changed' %jobid ) |
---|
| 1098 | else: |
---|
[930] | 1099 | debug_msg( 10, 'new job %s' %jobid ) |
---|
[782] | 1100 | |
---|
| 1101 | if not jobid in self.jobs_to_store: |
---|
| 1102 | |
---|
| 1103 | self.jobs_to_store.append( jobid ) |
---|
| 1104 | |
---|
| 1105 | debug_msg( 1, 'job_xml_thread(): Found %s updated jobs.' %len(self.jobs_to_store) ) |
---|
| 1106 | |
---|
[792] | 1107 | failed_store = [ ] |
---|
| 1108 | succes_store = [ ] |
---|
| 1109 | |
---|
[782] | 1110 | if len( self.jobs_to_store ) > 0: |
---|
| 1111 | |
---|
| 1112 | debug_msg( 1, 'job_xml_thread(): Storing jobs to database..' ) |
---|
| 1113 | |
---|
[792] | 1114 | for n in range( 0, len(self.jobs_to_store ) ): |
---|
[782] | 1115 | |
---|
[792] | 1116 | if len( self.jobs_to_store ) == 0: |
---|
| 1117 | break |
---|
| 1118 | |
---|
[782] | 1119 | jobid = self.jobs_to_store.pop( 0 ) |
---|
| 1120 | |
---|
[792] | 1121 | db_ok = self.ds.storeJobInfo( jobid, self.jobAttrs[ jobid ] ) |
---|
[782] | 1122 | |
---|
[792] | 1123 | if not db_ok: |
---|
| 1124 | |
---|
| 1125 | self.ds.doRollback() |
---|
| 1126 | failed_store.append( jobid ) |
---|
| 1127 | continue |
---|
| 1128 | |
---|
| 1129 | self.ds.doCommit() |
---|
| 1130 | succes_store.append( jobid ) |
---|
| 1131 | |
---|
[783] | 1132 | if not jobid in jobs_finished: |
---|
[782] | 1133 | |
---|
[783] | 1134 | self.jobAttrsSaved[ jobid ] = self.jobAttrs[ jobid ] |
---|
| 1135 | |
---|
| 1136 | elif self.jobAttrsSaved.has_key( jobid ): |
---|
| 1137 | |
---|
| 1138 | del self.jobAttrsSaved[ jobid ] |
---|
| 1139 | |
---|
[782] | 1140 | if self.jobAttrs[ jobid ]['status'] == 'F': |
---|
| 1141 | |
---|
| 1142 | del self.jobAttrs[ jobid ] |
---|
| 1143 | |
---|
[792] | 1144 | result_str = 'succesfully stored: %s jobs' %str(len(succes_store)) |
---|
[782] | 1145 | |
---|
[792] | 1146 | if len( failed_store ) > 0: |
---|
| 1147 | result_str = result_str + ' - failed to store: %s jobs - deferred to next interval' %str(len(failed_store)) |
---|
| 1148 | |
---|
| 1149 | debug_msg( 1, 'job_xml_thread(): Done storing. %s' %result_str ) |
---|
| 1150 | |
---|
[782] | 1151 | else: |
---|
| 1152 | debug_msg( 1, 'job_xml_thread(): No jobs to store.' ) |
---|
| 1153 | |
---|
| 1154 | self.jobs_processed = [ ] |
---|
| 1155 | |
---|
[783] | 1156 | # TODO: once in while check database AND self.jobAttrsSaved for stale jobs |
---|
| 1157 | |
---|
[770] | 1158 | def setJobAttrs( self, old, new ): |
---|
| 1159 | """ |
---|
| 1160 | Set new job attributes in old, but not lose existing fields |
---|
| 1161 | if old attributes doesn't have those |
---|
| 1162 | """ |
---|
[82] | 1163 | |
---|
[770] | 1164 | for valname, value in new.items(): |
---|
| 1165 | old[ valname ] = value |
---|
[82] | 1166 | |
---|
[770] | 1167 | return old |
---|
| 1168 | |
---|
[82] | 1169 | |
---|
[782] | 1170 | def jobinfoChanged( self, jobid, jobinfo ): |
---|
[770] | 1171 | """ |
---|
| 1172 | Check if jobinfo has changed from jobattrs[jobid] |
---|
| 1173 | if it's report time is bigger than previous one |
---|
| 1174 | and it is report time is recent (equal to heartbeat) |
---|
| 1175 | """ |
---|
[72] | 1176 | |
---|
[770] | 1177 | ignore_changes = [ 'reported' ] |
---|
[87] | 1178 | |
---|
[782] | 1179 | if self.jobAttrsSaved.has_key( jobid ): |
---|
[73] | 1180 | |
---|
[770] | 1181 | for valname, value in jobinfo.items(): |
---|
[73] | 1182 | |
---|
[770] | 1183 | if valname not in ignore_changes: |
---|
[73] | 1184 | |
---|
[782] | 1185 | if self.jobAttrsSaved[ jobid ].has_key( valname ): |
---|
[73] | 1186 | |
---|
[782] | 1187 | if value != self.jobAttrsSaved[ jobid ][ valname ]: |
---|
[73] | 1188 | |
---|
[782] | 1189 | if jobinfo['reported'] > self.jobAttrsSaved[ jobid ][ 'reported' ]: |
---|
| 1190 | |
---|
| 1191 | debug_msg( 1, "job %s field '%s' changed since saved from: %s to: %s" %( jobid, valname, value, self.jobAttrsSaved[ jobid ][ valname ] ) ) |
---|
| 1192 | |
---|
[770] | 1193 | return True |
---|
[73] | 1194 | |
---|
[770] | 1195 | else: |
---|
[782] | 1196 | debug_msg( 1, "job %s did not have field '%s'" %( jobid, valname ) ) |
---|
[770] | 1197 | return True |
---|
[87] | 1198 | |
---|
[770] | 1199 | return False |
---|
[73] | 1200 | |
---|
[71] | 1201 | class GangliaXMLHandler( xml.sax.handler.ContentHandler ): |
---|
[770] | 1202 | """Parse Ganglia's XML""" |
---|
[3] | 1203 | |
---|
[949] | 1204 | def __init__( self, config, datastore, cluster ): |
---|
[770] | 1205 | """Setup initial variables and gather info on existing rrd archive""" |
---|
[63] | 1206 | |
---|
[857] | 1207 | self.config = config |
---|
[949] | 1208 | self.clusterName = cluster |
---|
[857] | 1209 | self.ds = datastore |
---|
[949] | 1210 | self.rrd_handler = None |
---|
| 1211 | self.cluster_start = False |
---|
[324] | 1212 | |
---|
[949] | 1213 | debug_msg( 1, 'Housekeeping: checking RRD archive for cluster %s (may take a while)..' %self.clusterName ) |
---|
| 1214 | self.gatherCluster() |
---|
| 1215 | debug_msg( 1, 'Housekeeping: RRD check complete for cluster %s.' %self.clusterName ) |
---|
[33] | 1216 | |
---|
[949] | 1217 | def gatherCluster( self ): |
---|
[770] | 1218 | """Find all existing clusters in archive dir""" |
---|
[44] | 1219 | |
---|
[930] | 1220 | global ARCHIVE_DATASOURCES |
---|
| 1221 | |
---|
[770] | 1222 | archive_dir = check_dir(ARCHIVE_PATH) |
---|
[44] | 1223 | |
---|
[770] | 1224 | hosts = [ ] |
---|
[44] | 1225 | |
---|
[770] | 1226 | if os.path.exists( archive_dir ): |
---|
[44] | 1227 | |
---|
[770] | 1228 | dirlist = os.listdir( archive_dir ) |
---|
[44] | 1229 | |
---|
[949] | 1230 | if self.clusterName not in dirlist: |
---|
[369] | 1231 | |
---|
[949] | 1232 | # Autocreate a directory for this cluster |
---|
| 1233 | # assume it is new |
---|
| 1234 | # |
---|
| 1235 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), cfgcluster ) |
---|
[369] | 1236 | |
---|
[949] | 1237 | os.mkdir( cluster_dir ) |
---|
[369] | 1238 | |
---|
[949] | 1239 | dirlist.append( cfgcluster ) |
---|
[369] | 1240 | |
---|
[949] | 1241 | for d in dirlist: |
---|
[370] | 1242 | |
---|
[949] | 1243 | if not self.rrd_handler and d == self.clusterName: |
---|
[44] | 1244 | |
---|
[949] | 1245 | self.rrd_handler = RRDHandler( self.config, d ) |
---|
[44] | 1246 | |
---|
[949] | 1247 | debug_msg( 9, 'Found cluster dir: %s' %( d ) ) |
---|
[44] | 1248 | |
---|
[770] | 1249 | def startElement( self, name, attrs ): |
---|
| 1250 | """Memorize appropriate data from xml start tags""" |
---|
[3] | 1251 | |
---|
[770] | 1252 | if name == 'GANGLIA_XML': |
---|
[32] | 1253 | |
---|
[949] | 1254 | self.XMLSource = attrs.get( 'SOURCE', "" ) |
---|
| 1255 | self.gangliaVersion = attrs.get( 'VERSION', "" ) |
---|
[32] | 1256 | |
---|
[770] | 1257 | debug_msg( 10, 'Found XML data: source %s version %s' %( self.XMLSource, self.gangliaVersion ) ) |
---|
[6] | 1258 | |
---|
[949] | 1259 | return 0 |
---|
[32] | 1260 | |
---|
[949] | 1261 | if name == 'GRID': |
---|
[32] | 1262 | |
---|
[949] | 1263 | self.gridName = attrs.get( 'NAME', "" ) |
---|
| 1264 | self.time = attrs.get( 'LOCALTIME', "" ) |
---|
| 1265 | |
---|
[770] | 1266 | debug_msg( 10, '`-Grid found: %s' %( self.gridName ) ) |
---|
[6] | 1267 | |
---|
[949] | 1268 | return 0 |
---|
[32] | 1269 | |
---|
[949] | 1270 | if name == 'CLUSTER': |
---|
[32] | 1271 | |
---|
[949] | 1272 | xmlClusterName = attrs.get( 'NAME', "" ) |
---|
| 1273 | self.time = attrs.get( 'LOCALTIME', "" ) |
---|
[32] | 1274 | |
---|
[949] | 1275 | if self.clusterName == xmlClusterName: |
---|
[33] | 1276 | |
---|
[949] | 1277 | debug_msg( 10, ' |-Cluster found: %s' %( self.clusterName ) ) |
---|
[6] | 1278 | |
---|
[949] | 1279 | self.cluster_start = True |
---|
[32] | 1280 | |
---|
[949] | 1281 | if not self.rrd_handler: |
---|
[32] | 1282 | |
---|
[949] | 1283 | self.rrd_handler = RRDHandler( self.config, self.clusterName ) |
---|
| 1284 | else: |
---|
| 1285 | self.cluster_start = False |
---|
| 1286 | |
---|
| 1287 | return 0 |
---|
| 1288 | |
---|
| 1289 | if name == 'HOST' and self.cluster_start: |
---|
| 1290 | |
---|
| 1291 | self.hostName = attrs.get( 'NAME', "" ) |
---|
| 1292 | self.hostIp = attrs.get( 'IP', "" ) |
---|
| 1293 | self.hostReported = attrs.get( 'REPORTED', "" ) |
---|
| 1294 | |
---|
[770] | 1295 | debug_msg( 10, ' | |-Host found: %s - ip %s reported %s' %( self.hostName, self.hostIp, self.hostReported ) ) |
---|
[6] | 1296 | |
---|
[949] | 1297 | return 0 |
---|
[6] | 1298 | |
---|
[949] | 1299 | if name == 'METRIC' and self.cluster_start: |
---|
| 1300 | |
---|
| 1301 | #type = attrs.get( 'TYPE', "" ) |
---|
| 1302 | #orig_name = attrs.get( 'NAME', "" ) |
---|
[770] | 1303 | |
---|
[949] | 1304 | if attrs.get( 'TYPE', "" ) != 'string': |
---|
[6] | 1305 | |
---|
[949] | 1306 | #myMetric = { } |
---|
| 1307 | #myMetric['name'] = attrs.get( 'NAME', "" ) |
---|
| 1308 | #myMetric['val'] = attrs.get( 'VAL', "" ) |
---|
| 1309 | #myMetric['time'] = self.hostReported |
---|
[3] | 1310 | |
---|
[949] | 1311 | self.rrd_handler.memMetric( self.hostName, { 'name': attrs.get( 'NAME', "" ), 'val': attrs.get( 'VAL', "" ), 'time': self.hostReported } ) |
---|
[198] | 1312 | |
---|
[949] | 1313 | #debug_msg( 9, 'added metric %s from host %s to cluster %s' %( myMetric['name'], self.hostName, self.clusterName ) ) |
---|
| 1314 | #debug_msg( 11, ' | | |-metric: %s:%s' %( myMetric['name'], myMetric['val'] ) ) |
---|
[198] | 1315 | |
---|
| 1316 | |
---|
[949] | 1317 | def endElement( self, name ): |
---|
[198] | 1318 | |
---|
[949] | 1319 | if name == 'CLUSTER' and self.cluster_start: |
---|
[3] | 1320 | |
---|
[949] | 1321 | self.cluster_start = False |
---|
| 1322 | debug_msg( 10, ' `-Cluster ended: %s' %( self.clusterName ) ) |
---|
[3] | 1323 | |
---|
[770] | 1324 | def storeMetrics( self ): |
---|
| 1325 | """Store metrics of each cluster rrd handler""" |
---|
[9] | 1326 | |
---|
[949] | 1327 | ret = self.rrd_handler.storeMetrics() |
---|
[16] | 1328 | |
---|
[949] | 1329 | if ret: |
---|
| 1330 | debug_msg( 9, 'An error occured while storing metrics for cluster %s' %clustername ) |
---|
| 1331 | return 1 |
---|
[9] | 1332 | |
---|
[770] | 1333 | return 0 |
---|
[38] | 1334 | |
---|
[71] | 1335 | class XMLErrorHandler( xml.sax.handler.ErrorHandler ): |
---|
| 1336 | |
---|
[926] | 1337 | def __init__( self ): |
---|
| 1338 | |
---|
| 1339 | self.me_fatal = False |
---|
| 1340 | |
---|
[770] | 1341 | def error( self, exception ): |
---|
| 1342 | """Recoverable error""" |
---|
[71] | 1343 | |
---|
[770] | 1344 | debug_msg( 0, 'Recoverable XML error ' + str( exception ) + ' ignored.' ) |
---|
[71] | 1345 | |
---|
[770] | 1346 | def fatalError( self, exception ): |
---|
| 1347 | """Non-recoverable error""" |
---|
[71] | 1348 | |
---|
[770] | 1349 | exception_str = str( exception ) |
---|
[71] | 1350 | |
---|
[770] | 1351 | # Ignore 'no element found' errors |
---|
| 1352 | if exception_str.find( 'no element found' ) != -1: |
---|
[926] | 1353 | |
---|
[770] | 1354 | debug_msg( 0, 'No XML data found: Socket not (re)connected or datasource not available.' ) |
---|
| 1355 | return 0 |
---|
[71] | 1356 | |
---|
[926] | 1357 | self.me_fatal = True |
---|
| 1358 | |
---|
[770] | 1359 | debug_msg( 0, 'FATAL ERROR: Non-recoverable XML error ' + str( exception ) ) |
---|
[71] | 1360 | |
---|
[926] | 1361 | def isFatal( self ): |
---|
| 1362 | |
---|
| 1363 | return self.me_fatal |
---|
| 1364 | |
---|
[770] | 1365 | def warning( self, exception ): |
---|
| 1366 | """Warning""" |
---|
[71] | 1367 | |
---|
[770] | 1368 | debug_msg( 0, 'Warning ' + str( exception ) ) |
---|
[71] | 1369 | |
---|
[78] | 1370 | class XMLGatherer: |
---|
[770] | 1371 | """Setup a connection and file object to Ganglia's XML""" |
---|
[3] | 1372 | |
---|
[858] | 1373 | s = None |
---|
| 1374 | fd = None |
---|
[770] | 1375 | data = None |
---|
| 1376 | slot = None |
---|
[8] | 1377 | |
---|
[770] | 1378 | # Time since the last update |
---|
| 1379 | # |
---|
| 1380 | LAST_UPDATE = 0 |
---|
[287] | 1381 | |
---|
[770] | 1382 | # Minimum interval between updates |
---|
| 1383 | # |
---|
| 1384 | MIN_UPDATE_INT = 10 |
---|
[287] | 1385 | |
---|
[770] | 1386 | # Is a update occuring now |
---|
| 1387 | # |
---|
| 1388 | update_now = False |
---|
[287] | 1389 | |
---|
[770] | 1390 | def __init__( self, host, port ): |
---|
| 1391 | """Store host and port for connection""" |
---|
[8] | 1392 | |
---|
[770] | 1393 | self.host = host |
---|
| 1394 | self.port = port |
---|
[782] | 1395 | self.slot = threading.Lock() |
---|
[3] | 1396 | |
---|
[770] | 1397 | self.retrieveData() |
---|
[287] | 1398 | |
---|
[770] | 1399 | def retrieveData( self ): |
---|
| 1400 | """Setup connection to XML source""" |
---|
[8] | 1401 | |
---|
[949] | 1402 | if self.update_now: |
---|
| 1403 | return 0 |
---|
| 1404 | |
---|
[858] | 1405 | self.update_now = True |
---|
[287] | 1406 | |
---|
[949] | 1407 | #self.slot.acquire() |
---|
[293] | 1408 | |
---|
[858] | 1409 | self.data = None |
---|
[469] | 1410 | |
---|
[949] | 1411 | debug_msg( 1, "XMLGatherer.retrieveData(): actually retrieving data.." ) |
---|
| 1412 | |
---|
[770] | 1413 | for res in socket.getaddrinfo( self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM ): |
---|
[32] | 1414 | |
---|
[770] | 1415 | af, socktype, proto, canonname, sa = res |
---|
[32] | 1416 | |
---|
[770] | 1417 | try: |
---|
[32] | 1418 | |
---|
[770] | 1419 | self.s = socket.socket( af, socktype, proto ) |
---|
[32] | 1420 | |
---|
[770] | 1421 | except ( socket.error, socket.gaierror, socket.herror, socket.timeout ), msg: |
---|
[32] | 1422 | |
---|
[770] | 1423 | self.s = None |
---|
| 1424 | continue |
---|
[32] | 1425 | |
---|
[773] | 1426 | try: |
---|
[32] | 1427 | |
---|
[770] | 1428 | self.s.connect( sa ) |
---|
[32] | 1429 | |
---|
[773] | 1430 | except ( socket.error, socket.gaierror, socket.herror, socket.timeout ), msg: |
---|
[32] | 1431 | |
---|
[770] | 1432 | self.disconnect() |
---|
| 1433 | continue |
---|
[32] | 1434 | |
---|
[773] | 1435 | break |
---|
[3] | 1436 | |
---|
[770] | 1437 | if self.s is None: |
---|
[32] | 1438 | |
---|
[770] | 1439 | debug_msg( 0, 'FATAL ERROR: Could not open socket or unable to connect to datasource!' ) |
---|
| 1440 | self.update_now = False |
---|
| 1441 | #sys.exit( 1 ) |
---|
[5] | 1442 | |
---|
[770] | 1443 | else: |
---|
| 1444 | #self.s.send( '\n' ) |
---|
[287] | 1445 | |
---|
[770] | 1446 | my_fp = self.s.makefile( 'r' ) |
---|
[949] | 1447 | #my_data = my_fp.readlines() |
---|
| 1448 | #my_data = string.join( my_data, '' ) |
---|
[287] | 1449 | |
---|
[949] | 1450 | #self.data = my_data |
---|
| 1451 | self.data = my_fp.read() |
---|
[287] | 1452 | |
---|
[773] | 1453 | self.LAST_UPDATE = time.time() |
---|
[287] | 1454 | |
---|
[949] | 1455 | self.disconnect() |
---|
[293] | 1456 | |
---|
[949] | 1457 | #self.slot.release() |
---|
| 1458 | |
---|
| 1459 | debug_msg( 1, "XMLGatherer.retrieveData(): Done retrieving data." ) |
---|
| 1460 | |
---|
[770] | 1461 | self.update_now = False |
---|
[287] | 1462 | |
---|
[770] | 1463 | def disconnect( self ): |
---|
| 1464 | """Close socket""" |
---|
[33] | 1465 | |
---|
[770] | 1466 | if self.s: |
---|
| 1467 | #self.s.shutdown( 2 ) |
---|
| 1468 | self.s.close() |
---|
| 1469 | self.s = None |
---|
[33] | 1470 | |
---|
[770] | 1471 | def __del__( self ): |
---|
| 1472 | """Kill the socket before we leave""" |
---|
[33] | 1473 | |
---|
[770] | 1474 | self.disconnect() |
---|
[33] | 1475 | |
---|
[770] | 1476 | def reGetData( self ): |
---|
| 1477 | """Reconnect""" |
---|
[33] | 1478 | |
---|
[949] | 1479 | if self.update_now: |
---|
| 1480 | return 0 |
---|
[287] | 1481 | |
---|
[949] | 1482 | #while self.update_now: |
---|
| 1483 | |
---|
[770] | 1484 | # Must be another update in progress: |
---|
| 1485 | # Wait until the update is complete |
---|
| 1486 | # |
---|
[949] | 1487 | # time.sleep( 1 ) |
---|
[287] | 1488 | |
---|
[770] | 1489 | if self.s: |
---|
| 1490 | self.disconnect() |
---|
[33] | 1491 | |
---|
[949] | 1492 | cur_time = time.time() |
---|
[5] | 1493 | |
---|
[949] | 1494 | if ( cur_time - self.LAST_UPDATE ) > self.MIN_UPDATE_INT: |
---|
| 1495 | |
---|
| 1496 | if not self.update_now: |
---|
| 1497 | |
---|
| 1498 | self.retrieveData() |
---|
| 1499 | |
---|
[770] | 1500 | def getData( self ): |
---|
[287] | 1501 | |
---|
[770] | 1502 | """Return the XML data""" |
---|
[287] | 1503 | |
---|
[770] | 1504 | # If more than MIN_UPDATE_INT seconds passed since last data update |
---|
| 1505 | # update the XML first before returning it |
---|
| 1506 | # |
---|
[287] | 1507 | |
---|
[770] | 1508 | cur_time = time.time() |
---|
[287] | 1509 | |
---|
[770] | 1510 | if ( cur_time - self.LAST_UPDATE ) > self.MIN_UPDATE_INT: |
---|
[287] | 1511 | |
---|
[949] | 1512 | if not self.update_now: |
---|
[287] | 1513 | |
---|
[949] | 1514 | self.reGetData() |
---|
| 1515 | |
---|
[770] | 1516 | while self.update_now: |
---|
[287] | 1517 | |
---|
[770] | 1518 | # Must be another update in progress: |
---|
| 1519 | # Wait until the update is complete |
---|
| 1520 | # |
---|
| 1521 | time.sleep( 1 ) |
---|
| 1522 | |
---|
| 1523 | return self.data |
---|
[287] | 1524 | |
---|
[770] | 1525 | def makeFileDescriptor( self ): |
---|
| 1526 | """Make file descriptor that points to our socket connection""" |
---|
[70] | 1527 | |
---|
[770] | 1528 | self.reconnect() |
---|
[70] | 1529 | |
---|
[770] | 1530 | if self.s: |
---|
| 1531 | self.fd = self.s.makefile( 'r' ) |
---|
[70] | 1532 | |
---|
[770] | 1533 | def getFileObject( self ): |
---|
| 1534 | """Connect, and return a file object""" |
---|
[70] | 1535 | |
---|
[770] | 1536 | self.makeFileDescriptor() |
---|
[78] | 1537 | |
---|
[770] | 1538 | if self.fd: |
---|
| 1539 | return self.fd |
---|
[70] | 1540 | |
---|
[78] | 1541 | class GangliaXMLProcessor( XMLProcessor ): |
---|
[770] | 1542 | """Main class for processing XML and acting with it""" |
---|
[5] | 1543 | |
---|
[949] | 1544 | def __init__( self, XMLSource, DataStore, cluster ): |
---|
[770] | 1545 | """Setup initial XML connection and handlers""" |
---|
[33] | 1546 | |
---|
[782] | 1547 | self.config = GangliaConfigParser( GMETAD_CONF ) |
---|
| 1548 | self.myXMLSource = XMLSource |
---|
| 1549 | self.ds = DataStore |
---|
| 1550 | self.myXMLError = XMLErrorHandler() |
---|
[949] | 1551 | self.clusterName = cluster |
---|
| 1552 | self.myXMLHandler = GangliaXMLHandler( self.config, self.ds, self.clusterName ) |
---|
[33] | 1553 | |
---|
[949] | 1554 | |
---|
[770] | 1555 | def run( self ): |
---|
| 1556 | """Main XML processing; start a xml and storethread""" |
---|
[8] | 1557 | |
---|
[782] | 1558 | xml_thread = threading.Thread( None, self.processXML, 'xmlthread' ) |
---|
[770] | 1559 | store_thread = threading.Thread( None, self.storeMetrics, 'storethread' ) |
---|
[22] | 1560 | |
---|
[770] | 1561 | while( 1 ): |
---|
[36] | 1562 | |
---|
[770] | 1563 | if not xml_thread.isAlive(): |
---|
| 1564 | # Gather XML at the same interval as gmetad |
---|
[36] | 1565 | |
---|
[770] | 1566 | # threaded call to: self.processXML() |
---|
| 1567 | # |
---|
| 1568 | try: |
---|
| 1569 | xml_thread = threading.Thread( None, self.processXML, 'xml_thread' ) |
---|
| 1570 | xml_thread.start() |
---|
| 1571 | except thread.error, msg: |
---|
[949] | 1572 | debug_msg( 0, 'ERROR: Unable to start xml_thread for cluster %s!: %s' %(self.clusterName, str(msg)) ) |
---|
[770] | 1573 | #return 1 |
---|
[36] | 1574 | |
---|
[770] | 1575 | if not store_thread.isAlive(): |
---|
| 1576 | # Store metrics every .. sec |
---|
[36] | 1577 | |
---|
[770] | 1578 | # threaded call to: self.storeMetrics() |
---|
| 1579 | # |
---|
| 1580 | try: |
---|
| 1581 | store_thread = threading.Thread( None, self.storeMetrics, 'store_thread' ) |
---|
| 1582 | store_thread.start() |
---|
| 1583 | except thread.error, msg: |
---|
[949] | 1584 | debug_msg( 0, 'ERROR: Unable to start store_thread for clsuter %s!: %s' %(self.clusterName, str(msg)) ) |
---|
[770] | 1585 | #return 1 |
---|
| 1586 | |
---|
| 1587 | # Just sleep a sec here, to prevent daemon from going mad. We're all threads here anyway |
---|
| 1588 | time.sleep( 1 ) |
---|
[36] | 1589 | |
---|
[770] | 1590 | def storeMetrics( self ): |
---|
| 1591 | """Store metrics retained in memory to disk""" |
---|
[22] | 1592 | |
---|
[770] | 1593 | global DEBUG_LEVEL |
---|
[365] | 1594 | |
---|
[770] | 1595 | # Store metrics somewhere between every 360 and 640 seconds |
---|
| 1596 | # |
---|
[774] | 1597 | if DEBUG_LEVEL >= 1: |
---|
| 1598 | STORE_INTERVAL = 60 |
---|
[770] | 1599 | else: |
---|
[857] | 1600 | STORE_INTERVAL = random.randint( 300, 600 ) |
---|
[22] | 1601 | |
---|
[770] | 1602 | try: |
---|
| 1603 | store_metric_thread = threading.Thread( None, self.storeThread, 'store_metric_thread' ) |
---|
| 1604 | store_metric_thread.start() |
---|
| 1605 | except thread.error, msg: |
---|
| 1606 | debug_msg( 0, 'ERROR: Unable to start ganglia_store_thread()!: '+str(msg) ) |
---|
| 1607 | return 1 |
---|
[36] | 1608 | |
---|
[949] | 1609 | debug_msg( 1, 'ganglia_store_thread(): started: cluster %s' %self.clusterName ) |
---|
[169] | 1610 | |
---|
[949] | 1611 | debug_msg( 1, 'ganglia_store_thread(): Sleeping.. (%ss): cluster %s' %(STORE_INTERVAL, self.clusterName ) ) |
---|
[770] | 1612 | time.sleep( STORE_INTERVAL ) |
---|
[949] | 1613 | debug_msg( 1, 'ganglia_store_thread(): Done sleeping: cluster %s' %self.clusterName ) |
---|
[36] | 1614 | |
---|
[770] | 1615 | if store_metric_thread.isAlive(): |
---|
[36] | 1616 | |
---|
[949] | 1617 | debug_msg( 1, 'ganglia_store_thread(): storemetricthread() (cluster %s) still running, waiting to finish..' %self.clusterName ) |
---|
[770] | 1618 | store_metric_thread.join( STORE_TIMEOUT ) # Maximum time is for storing thread to finish |
---|
[36] | 1619 | |
---|
[782] | 1620 | if store_metric_thread.isAlive(): |
---|
| 1621 | |
---|
[949] | 1622 | debug_msg( 1, 'ganglia_store_thread(): Done waiting: storemetricthread() (cluster %s) still running :( now what?' %self.clusterName ) |
---|
[782] | 1623 | else: |
---|
[949] | 1624 | debug_msg( 1, 'ganglia_store_thread(): Done waiting: storemetricthread() has finished: cluster %s' %self.clusterName ) |
---|
[782] | 1625 | |
---|
[949] | 1626 | debug_msg( 1, 'ganglia_store_thread(): finished: cluster %s' %self.clusterName ) |
---|
[36] | 1627 | |
---|
[770] | 1628 | return 0 |
---|
[36] | 1629 | |
---|
[770] | 1630 | def storeThread( self ): |
---|
| 1631 | """Actual metric storing thread""" |
---|
[39] | 1632 | |
---|
[949] | 1633 | debug_msg( 1, 'ganglia_store_metric_thread(): started: cluster %s' %self.clusterName ) |
---|
| 1634 | debug_msg( 1, 'ganglia_store_metric_thread(): Storing data.. cluster %s' %self.clusterName ) |
---|
[782] | 1635 | |
---|
[770] | 1636 | ret = self.myXMLHandler.storeMetrics() |
---|
| 1637 | if ret > 0: |
---|
[949] | 1638 | debug_msg( 0, 'ganglia_store_metric_thread(): UNKNOWN ERROR %s while storing Metrics! cluster %s' %(str(ret), self.clusterName) ) |
---|
[782] | 1639 | |
---|
[949] | 1640 | debug_msg( 1, 'ganglia_store_metric_thread(): Done storing: cluster %s' %self.clusterName ) |
---|
| 1641 | debug_msg( 1, 'ganglia_store_metric_thread(): finished: cluster %s' %self.clusterName ) |
---|
[770] | 1642 | |
---|
| 1643 | return 0 |
---|
[39] | 1644 | |
---|
[770] | 1645 | def processXML( self ): |
---|
| 1646 | """Process XML""" |
---|
[8] | 1647 | |
---|
[770] | 1648 | try: |
---|
| 1649 | parsethread = threading.Thread( None, self.parseThread, 'parsethread' ) |
---|
| 1650 | parsethread.start() |
---|
| 1651 | except thread.error, msg: |
---|
[949] | 1652 | debug_msg( 0, 'ERROR: Unable to start ganglia_xml_thread()! cluster %s: ' %(self.clusterName, str(msg) ) ) |
---|
[770] | 1653 | return 1 |
---|
[8] | 1654 | |
---|
[949] | 1655 | debug_msg( 1, 'ganglia_xml_thread(): started: cluster %s' %self.clusterName ) |
---|
[36] | 1656 | |
---|
[949] | 1657 | debug_msg( 1, 'ganglia_xml_thread(): Sleeping.. (%ss): cluster %s' %(self.config.getLowestInterval(), self.clusterName) ) |
---|
[770] | 1658 | time.sleep( float( self.config.getLowestInterval() ) ) |
---|
[949] | 1659 | debug_msg( 1, 'ganglia_xml_thread(): Done sleeping: cluster %s' %self.clusterName ) |
---|
[36] | 1660 | |
---|
[770] | 1661 | if parsethread.isAlive(): |
---|
[36] | 1662 | |
---|
[949] | 1663 | debug_msg( 1, 'ganglia_xml_thread(): parsethread() (cluster %s) still running, waiting (%ss) to finish..' %(self.clusterName, PARSE_TIMEOUT ) ) |
---|
[770] | 1664 | parsethread.join( PARSE_TIMEOUT ) # Maximum time for XML thread to finish |
---|
[36] | 1665 | |
---|
[782] | 1666 | if parsethread.isAlive(): |
---|
[949] | 1667 | debug_msg( 1, 'ganglia_xml_thread(): Done waiting: parsethread() (cluster %s) still running :( now what?' %self.clusterName ) |
---|
[782] | 1668 | else: |
---|
[949] | 1669 | debug_msg( 1, 'ganglia_xml_thread(): Done waiting: parsethread() (cluster %s) finished' %self.clusterName ) |
---|
[782] | 1670 | |
---|
[949] | 1671 | debug_msg( 1, 'ganglia_xml_thread(): finished: cluster %s' %self.clusterName ) |
---|
[36] | 1672 | |
---|
[770] | 1673 | return 0 |
---|
[36] | 1674 | |
---|
[770] | 1675 | def parseThread( self ): |
---|
| 1676 | """Actual parsing thread""" |
---|
[39] | 1677 | |
---|
[949] | 1678 | |
---|
| 1679 | debug_msg( 1, 'ganglia_parse_thread(): started: cluster %s' %self.clusterName ) |
---|
| 1680 | debug_msg( 1, 'ganglia_parse_thread(): Retrieving XML data.. cluster %s' %self.clusterName ) |
---|
[770] | 1681 | |
---|
| 1682 | my_data = self.myXMLSource.getData() |
---|
[176] | 1683 | |
---|
[949] | 1684 | debug_msg( 1, 'ganglia_parse_thread(): Done retrieving (cluster %s): data size %d' %(self.clusterName, len(my_data) ) ) |
---|
[293] | 1685 | |
---|
[770] | 1686 | if my_data: |
---|
[949] | 1687 | debug_msg( 1, 'ganglia_parse_thread(): Parsing XML.. cluster %s' %self.clusterName ) |
---|
| 1688 | |
---|
[770] | 1689 | xml.sax.parseString( my_data, self.myXMLHandler, self.myXMLError ) |
---|
[176] | 1690 | |
---|
[949] | 1691 | debug_msg( 1, 'ganglia_parse_thread(): Done parsing: cluster %s' %self.clusterName ) |
---|
| 1692 | #yappi.print_stats() |
---|
[39] | 1693 | |
---|
[949] | 1694 | debug_msg( 1, 'ganglia_parse_thread(): finished: %s' %self.clusterName ) |
---|
| 1695 | |
---|
[770] | 1696 | return 0 |
---|
[39] | 1697 | |
---|
[9] | 1698 | class GangliaConfigParser: |
---|
| 1699 | |
---|
[770] | 1700 | sources = [ ] |
---|
[9] | 1701 | |
---|
[770] | 1702 | def __init__( self, config ): |
---|
| 1703 | """Parse some stuff from our gmetad's config, such as polling interval""" |
---|
[32] | 1704 | |
---|
[770] | 1705 | self.config = config |
---|
| 1706 | self.parseValues() |
---|
[9] | 1707 | |
---|
[770] | 1708 | def parseValues( self ): |
---|
| 1709 | """Parse certain values from gmetad.conf""" |
---|
[9] | 1710 | |
---|
[770] | 1711 | readcfg = open( self.config, 'r' ) |
---|
[9] | 1712 | |
---|
[770] | 1713 | for line in readcfg.readlines(): |
---|
[9] | 1714 | |
---|
[770] | 1715 | if line.count( '"' ) > 1: |
---|
[9] | 1716 | |
---|
[770] | 1717 | if line.find( 'data_source' ) != -1 and line[0] != '#': |
---|
[9] | 1718 | |
---|
[855] | 1719 | source = { } |
---|
| 1720 | source['name'] = line.split( '"' )[1] |
---|
| 1721 | source_value_words = line.split( '"' )[2].split( ' ' ) |
---|
[9] | 1722 | |
---|
[855] | 1723 | check_interval = source_value_words[0] |
---|
[9] | 1724 | |
---|
[855] | 1725 | try: |
---|
[9] | 1726 | |
---|
[855] | 1727 | source['interval'] = int( check_interval ) |
---|
| 1728 | debug_msg( 9, 'polling interval for %s = %s' %(source['name'], str( source['interval'] ) ) ) |
---|
| 1729 | except ValueError: |
---|
[32] | 1730 | |
---|
[770] | 1731 | source['interval'] = 15 |
---|
| 1732 | debug_msg( 9, 'polling interval for %s defaulted to 15' %(source['name']) ) |
---|
[32] | 1733 | |
---|
[770] | 1734 | self.sources.append( source ) |
---|
[9] | 1735 | |
---|
[855] | 1736 | readcfg.close() |
---|
| 1737 | |
---|
| 1738 | def clusterExists( self, source_name ): |
---|
| 1739 | |
---|
| 1740 | for source in self.sources: |
---|
| 1741 | |
---|
| 1742 | if source['name'] == source_name: |
---|
| 1743 | |
---|
| 1744 | return True |
---|
| 1745 | |
---|
| 1746 | return False |
---|
| 1747 | |
---|
[770] | 1748 | def getInterval( self, source_name ): |
---|
| 1749 | """Return interval for source_name""" |
---|
[32] | 1750 | |
---|
[770] | 1751 | for source in self.sources: |
---|
[32] | 1752 | |
---|
[770] | 1753 | if source['name'] == source_name: |
---|
[32] | 1754 | |
---|
[770] | 1755 | return source['interval'] |
---|
[32] | 1756 | |
---|
[770] | 1757 | return None |
---|
[9] | 1758 | |
---|
[770] | 1759 | def getLowestInterval( self ): |
---|
| 1760 | """Return the lowest interval of all clusters""" |
---|
[34] | 1761 | |
---|
[770] | 1762 | lowest_interval = 0 |
---|
[34] | 1763 | |
---|
[770] | 1764 | for source in self.sources: |
---|
[34] | 1765 | |
---|
[770] | 1766 | if not lowest_interval or source['interval'] <= lowest_interval: |
---|
[34] | 1767 | |
---|
[770] | 1768 | lowest_interval = source['interval'] |
---|
[34] | 1769 | |
---|
[770] | 1770 | # Return 15 when nothing is found, so that the daemon won't go insane with 0 sec delays |
---|
| 1771 | if lowest_interval: |
---|
| 1772 | return lowest_interval |
---|
| 1773 | else: |
---|
| 1774 | return 15 |
---|
[34] | 1775 | |
---|
[9] | 1776 | class RRDHandler: |
---|
[770] | 1777 | """Class for handling RRD activity""" |
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[9] | 1778 | |
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[770] | 1779 | def __init__( self, config, cluster ): |
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| 1780 | """Setup initial variables""" |
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[78] | 1781 | |
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[949] | 1782 | global MODRRDTOOL, ARCHIVE_EXCLUDE_METRICS |
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[455] | 1783 | |
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[858] | 1784 | self.block = 0 |
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| 1785 | self.cluster = cluster |
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| 1786 | self.config = config |
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[770] | 1787 | self.slot = threading.Lock() |
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[930] | 1788 | self.myMetrics = { } |
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| 1789 | self.lastStored = { } |
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| 1790 | self.timeserials = { } |
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[292] | 1791 | |
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[770] | 1792 | if MODRRDTOOL: |
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[455] | 1793 | |
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[770] | 1794 | self.rrdm = RRDMutator() |
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| 1795 | else: |
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| 1796 | self.rrdm = RRDMutator( RRDTOOL ) |
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[455] | 1797 | |
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[770] | 1798 | global DEBUG_LEVEL |
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[9] | 1799 | |
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[949] | 1800 | if DEBUG_LEVEL <= 0: |
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[770] | 1801 | self.gatherLastUpdates() |
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[365] | 1802 | |
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[949] | 1803 | self.excludes = [ ] |
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| 1804 | |
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| 1805 | for ex_metricstr in ARCHIVE_EXCLUDE_METRICS: |
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| 1806 | |
---|
| 1807 | self.excludes.append( re.compile( ex_metricstr ) ) |
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| 1808 | |
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[770] | 1809 | def gatherLastUpdates( self ): |
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| 1810 | """Populate the lastStored list, containing timestamps of all last updates""" |
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[42] | 1811 | |
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[770] | 1812 | cluster_dir = '%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster ) |
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[42] | 1813 | |
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[770] | 1814 | hosts = [ ] |
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[42] | 1815 | |
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[770] | 1816 | if os.path.exists( cluster_dir ): |
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[42] | 1817 | |
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[770] | 1818 | dirlist = os.listdir( cluster_dir ) |
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[42] | 1819 | |
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[770] | 1820 | for dir in dirlist: |
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[42] | 1821 | |
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[770] | 1822 | hosts.append( dir ) |
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[42] | 1823 | |
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[770] | 1824 | for host in hosts: |
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[42] | 1825 | |
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[770] | 1826 | host_dir = cluster_dir + '/' + host |
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[858] | 1827 | dirlist = os.listdir( host_dir ) |
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[47] | 1828 | |
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[770] | 1829 | for dir in dirlist: |
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[47] | 1830 | |
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[770] | 1831 | if not self.timeserials.has_key( host ): |
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[47] | 1832 | |
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[770] | 1833 | self.timeserials[ host ] = [ ] |
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[47] | 1834 | |
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[770] | 1835 | self.timeserials[ host ].append( dir ) |
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[47] | 1836 | |
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[770] | 1837 | last_serial = self.getLastRrdTimeSerial( host ) |
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[292] | 1838 | |
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[770] | 1839 | if last_serial: |
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[42] | 1840 | |
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[770] | 1841 | metric_dir = cluster_dir + '/' + host + '/' + last_serial |
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[292] | 1842 | |
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[770] | 1843 | if os.path.exists( metric_dir ): |
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[42] | 1844 | |
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[770] | 1845 | dirlist = os.listdir( metric_dir ) |
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[42] | 1846 | |
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[770] | 1847 | for file in dirlist: |
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[42] | 1848 | |
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[770] | 1849 | metricname = file.split( '.rrd' )[0] |
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[42] | 1850 | |
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[770] | 1851 | if not self.lastStored.has_key( host ): |
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[42] | 1852 | |
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[770] | 1853 | self.lastStored[ host ] = { } |
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[42] | 1854 | |
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[770] | 1855 | self.lastStored[ host ][ metricname ] = self.rrdm.grabLastUpdate( metric_dir + '/' + file ) |
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[42] | 1856 | |
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[770] | 1857 | def getClusterName( self ): |
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| 1858 | """Return clustername""" |
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[63] | 1859 | |
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[770] | 1860 | return self.cluster |
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[32] | 1861 | |
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[770] | 1862 | def memMetric( self, host, metric ): |
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| 1863 | """Store metric from host in memory""" |
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[32] | 1864 | |
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[770] | 1865 | # <ATOMIC> |
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| 1866 | # |
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| 1867 | |
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[949] | 1868 | #if host in self.myMetrics: |
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[32] | 1869 | |
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[949] | 1870 | #if self.myMetrics[ host ].has_key( metric['name'] ): |
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[32] | 1871 | |
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[949] | 1872 | # if len( self.myMetrics[ host ][ metric['name'] ] ) > 0: |
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| 1873 | |
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| 1874 | # if metric['time'] <= self.myMetrics[ host ][ metric['name'] ][-1]['time']: |
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[32] | 1875 | |
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[949] | 1876 | # return 1 |
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| 1877 | #for mymetric in self.myMetrics[ host ][ metric['name'] ]: |
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[32] | 1878 | |
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[949] | 1879 | # if mymetric['time'] == metric['time']: |
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| 1880 | |
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[770] | 1881 | # Allready have this metric, abort |
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[949] | 1882 | # return 1 |
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| 1883 | #else: |
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| 1884 | #if metric['name'] not in self.myMetrics[ host ]: |
---|
| 1885 | # self.myMetrics[ host ][ metric['name'] ] = deque() |
---|
| 1886 | #else: |
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| 1887 | # self.myMetrics[ host ] = { } |
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| 1888 | # self.myMetrics[ host ][ metric['name'] ] = deque() |
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[32] | 1889 | |
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[770] | 1890 | # Push new metric onto stack |
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| 1891 | # atomic code; only 1 thread at a time may access the stack |
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[949] | 1892 | #self.slot.acquire() |
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[63] | 1893 | |
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[949] | 1894 | try: |
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| 1895 | host_metrics = self.myMetrics[ host ] |
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| 1896 | except KeyError: |
---|
| 1897 | self.myMetrics[ host ] = { } |
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| 1898 | host_metrics = self.myMetrics[ host ] |
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| 1899 | |
---|
| 1900 | try: |
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| 1901 | metric_values = self.myMetrics[ host ][ metric['name'] ] |
---|
| 1902 | except KeyError: |
---|
| 1903 | self.myMetrics[ host ][ metric['name'] ] = deque() |
---|
| 1904 | metric_values = self.myMetrics[ host ][ metric['name'] ] |
---|
| 1905 | |
---|
| 1906 | try: |
---|
| 1907 | if metric['time'] <= self.myMetrics[ host ][ metric['name'] ][-1]['time']: |
---|
| 1908 | return 1 |
---|
| 1909 | except (IndexError, KeyError): |
---|
| 1910 | pass |
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| 1911 | |
---|
[770] | 1912 | self.myMetrics[ host ][ metric['name'] ].append( metric ) |
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[32] | 1913 | |
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[949] | 1914 | #self.slot.release() |
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[770] | 1915 | # |
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| 1916 | # </ATOMIC> |
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[40] | 1917 | |
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[770] | 1918 | def makeUpdateList( self, host, metriclist ): |
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| 1919 | """ |
---|
| 1920 | Make a list of update values for rrdupdate |
---|
| 1921 | but only those that we didn't store before |
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| 1922 | """ |
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[37] | 1923 | |
---|
[770] | 1924 | update_list = [ ] |
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| 1925 | metric = None |
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[37] | 1926 | |
---|
[770] | 1927 | while len( metriclist ) > 0: |
---|
[37] | 1928 | |
---|
[770] | 1929 | metric = metriclist.pop( 0 ) |
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[37] | 1930 | |
---|
[770] | 1931 | if self.checkStoreMetric( host, metric ): |
---|
[292] | 1932 | |
---|
[770] | 1933 | u_val = str( metric['time'] ) + ':' + str( metric['val'] ) |
---|
| 1934 | #update_list.append( str('%s:%s') %( metric['time'], metric['val'] ) ) |
---|
| 1935 | update_list.append( u_val ) |
---|
[40] | 1936 | |
---|
[770] | 1937 | return update_list |
---|
[37] | 1938 | |
---|
[770] | 1939 | def checkStoreMetric( self, host, metric ): |
---|
| 1940 | """Check if supplied metric if newer than last one stored""" |
---|
[40] | 1941 | |
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[770] | 1942 | if self.lastStored.has_key( host ): |
---|
[40] | 1943 | |
---|
[770] | 1944 | if self.lastStored[ host ].has_key( metric['name'] ): |
---|
[40] | 1945 | |
---|
[770] | 1946 | if metric['time'] <= self.lastStored[ host ][ metric['name'] ]: |
---|
[40] | 1947 | |
---|
[770] | 1948 | # This is old |
---|
| 1949 | return 0 |
---|
[40] | 1950 | |
---|
[770] | 1951 | return 1 |
---|
[50] | 1952 | |
---|
[770] | 1953 | def memLastUpdate( self, host, metricname, metriclist ): |
---|
| 1954 | """ |
---|
| 1955 | Memorize the time of the latest metric from metriclist |
---|
| 1956 | but only if it wasn't allready memorized |
---|
| 1957 | """ |
---|
[50] | 1958 | |
---|
[770] | 1959 | if not self.lastStored.has_key( host ): |
---|
| 1960 | self.lastStored[ host ] = { } |
---|
[54] | 1961 | |
---|
[770] | 1962 | last_update_time = 0 |
---|
[50] | 1963 | |
---|
[770] | 1964 | for metric in metriclist: |
---|
[50] | 1965 | |
---|
[770] | 1966 | if metric['name'] == metricname: |
---|
[50] | 1967 | |
---|
[770] | 1968 | if metric['time'] > last_update_time: |
---|
[50] | 1969 | |
---|
[770] | 1970 | last_update_time = metric['time'] |
---|
[40] | 1971 | |
---|
[770] | 1972 | if self.lastStored[ host ].has_key( metricname ): |
---|
| 1973 | |
---|
| 1974 | if last_update_time <= self.lastStored[ host ][ metricname ]: |
---|
| 1975 | return 1 |
---|
[40] | 1976 | |
---|
[770] | 1977 | self.lastStored[ host ][ metricname ] = last_update_time |
---|
[52] | 1978 | |
---|
[770] | 1979 | def storeMetrics( self ): |
---|
| 1980 | """ |
---|
| 1981 | Store all metrics from memory to disk |
---|
| 1982 | and do it to the RRD's in appropriate timeperiod directory |
---|
| 1983 | """ |
---|
[33] | 1984 | |
---|
[949] | 1985 | debug_msg( 5, "Entering storeMetrics(): cluster %s" %self.cluster ) |
---|
[365] | 1986 | |
---|
[782] | 1987 | count_values = 0 |
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| 1988 | count_metrics = 0 |
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[770] | 1989 | count_bits = 0 |
---|
[365] | 1990 | |
---|
[770] | 1991 | for hostname, mymetrics in self.myMetrics.items(): |
---|
[33] | 1992 | |
---|
[770] | 1993 | for metricname, mymetric in mymetrics.items(): |
---|
[33] | 1994 | |
---|
[770] | 1995 | count_metrics += 1 |
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[365] | 1996 | |
---|
[770] | 1997 | for dmetric in mymetric: |
---|
[365] | 1998 | |
---|
[770] | 1999 | count_values += 1 |
---|
[365] | 2000 | |
---|
[782] | 2001 | count_bits += len( dmetric['time'] ) |
---|
| 2002 | count_bits += len( dmetric['val'] ) |
---|
[365] | 2003 | |
---|
[770] | 2004 | count_bytes = count_bits / 8 |
---|
[365] | 2005 | |
---|
[949] | 2006 | debug_msg( 1, "size of cluster '" + self.cluster + "': " + |
---|
[770] | 2007 | str( len( self.myMetrics.keys() ) ) + " hosts " + |
---|
| 2008 | str( count_metrics ) + " metrics " + str( count_values ) + " values " + |
---|
| 2009 | str( count_bits ) + " bits " + str( count_bytes ) + " bytes " ) |
---|
[365] | 2010 | |
---|
[770] | 2011 | for hostname, mymetrics in self.myMetrics.items(): |
---|
[365] | 2012 | |
---|
[770] | 2013 | for metricname, mymetric in mymetrics.items(): |
---|
[365] | 2014 | |
---|
[949] | 2015 | for e in self.excludes: |
---|
| 2016 | |
---|
| 2017 | if e.match( metricname ): |
---|
| 2018 | |
---|
| 2019 | del self.myMetrics[ hostname ][ metricname ] |
---|
| 2020 | continue |
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| 2021 | |
---|
[770] | 2022 | metrics_to_store = [ ] |
---|
[53] | 2023 | |
---|
[770] | 2024 | # Pop metrics from stack for storing until none is left |
---|
| 2025 | # atomic code: only 1 thread at a time may access myMetrics |
---|
[63] | 2026 | |
---|
[770] | 2027 | # <ATOMIC> |
---|
| 2028 | # |
---|
[949] | 2029 | #self.slot.acquire() |
---|
[33] | 2030 | |
---|
[949] | 2031 | if metricname in self.myMetrics[ hostname ]: |
---|
[53] | 2032 | |
---|
[949] | 2033 | while len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[53] | 2034 | |
---|
[949] | 2035 | if len( self.myMetrics[ hostname ][ metricname ] ) > 0: |
---|
[176] | 2036 | |
---|
[949] | 2037 | try: |
---|
| 2038 | metrics_to_store.append( self.myMetrics[ hostname ][ metricname ].popleft() ) |
---|
| 2039 | except IndexError, msg: |
---|
[176] | 2040 | |
---|
[949] | 2041 | # Somehow sometimes myMetrics[ hostname ][ metricname ] |
---|
| 2042 | # is still len 0 when the statement is executed. |
---|
| 2043 | # Just ignore indexerror's.. |
---|
| 2044 | pass |
---|
| 2045 | |
---|
| 2046 | #self.slot.release() |
---|
[770] | 2047 | # |
---|
| 2048 | # </ATOMIC> |
---|
[53] | 2049 | |
---|
[770] | 2050 | # Create a mapping table, each metric to the period where it should be stored |
---|
| 2051 | # |
---|
| 2052 | metric_serial_table = self.determineSerials( hostname, metricname, metrics_to_store ) |
---|
[33] | 2053 | |
---|
[770] | 2054 | update_rets = [ ] |
---|
[50] | 2055 | |
---|
[770] | 2056 | for period, pmetric in metric_serial_table.items(): |
---|
[47] | 2057 | |
---|
[770] | 2058 | create_ret = self.createCheck( hostname, metricname, period ) |
---|
[47] | 2059 | |
---|
[770] | 2060 | update_ret = self.update( hostname, metricname, period, pmetric ) |
---|
[47] | 2061 | |
---|
[770] | 2062 | if update_ret == 0: |
---|
[47] | 2063 | |
---|
[770] | 2064 | debug_msg( 9, 'stored metric %s for %s' %( hostname, metricname ) ) |
---|
| 2065 | else: |
---|
| 2066 | debug_msg( 9, 'metric update failed' ) |
---|
[47] | 2067 | |
---|
[770] | 2068 | update_rets.append( create_ret ) |
---|
| 2069 | update_rets.append( update_ret ) |
---|
[47] | 2070 | |
---|
[770] | 2071 | # Lets ignore errors here for now, we need to make sure last update time |
---|
| 2072 | # is correct! |
---|
| 2073 | # |
---|
| 2074 | #if not (1) in update_rets: |
---|
[50] | 2075 | |
---|
[770] | 2076 | self.memLastUpdate( hostname, metricname, metrics_to_store ) |
---|
[50] | 2077 | |
---|
[949] | 2078 | debug_msg( 5, "Leaving storeMetrics(): cluster %s" %self.cluster ) |
---|
[365] | 2079 | |
---|
[770] | 2080 | def makeTimeSerial( self ): |
---|
| 2081 | """Generate a time serial. Seconds since epoch""" |
---|
[17] | 2082 | |
---|
[770] | 2083 | # Seconds since epoch |
---|
| 2084 | mytime = int( time.time() ) |
---|
[17] | 2085 | |
---|
[770] | 2086 | return mytime |
---|
[17] | 2087 | |
---|
[770] | 2088 | def makeRrdPath( self, host, metricname, timeserial ): |
---|
| 2089 | """Make a RRD location/path and filename""" |
---|
[17] | 2090 | |
---|
[858] | 2091 | rrd_dir = '%s/%s/%s/%s' %( check_dir(ARCHIVE_PATH), self.cluster, host, timeserial ) |
---|
| 2092 | rrd_file = '%s/%s.rrd' %( rrd_dir, metricname ) |
---|
[17] | 2093 | |
---|
[770] | 2094 | return rrd_dir, rrd_file |
---|
[17] | 2095 | |
---|
[770] | 2096 | def getLastRrdTimeSerial( self, host ): |
---|
| 2097 | """Find the last timeserial (directory) for this host""" |
---|
[17] | 2098 | |
---|
[770] | 2099 | newest_timeserial = 0 |
---|
[19] | 2100 | |
---|
[770] | 2101 | for dir in self.timeserials[ host ]: |
---|
[32] | 2102 | |
---|
[770] | 2103 | valid_dir = 1 |
---|
[17] | 2104 | |
---|
[770] | 2105 | for letter in dir: |
---|
| 2106 | if letter not in string.digits: |
---|
| 2107 | valid_dir = 0 |
---|
[17] | 2108 | |
---|
[770] | 2109 | if valid_dir: |
---|
| 2110 | timeserial = dir |
---|
| 2111 | if timeserial > newest_timeserial: |
---|
| 2112 | newest_timeserial = timeserial |
---|
[17] | 2113 | |
---|
[770] | 2114 | if newest_timeserial: |
---|
| 2115 | return newest_timeserial |
---|
| 2116 | else: |
---|
| 2117 | return 0 |
---|
[17] | 2118 | |
---|
[770] | 2119 | def determinePeriod( self, host, check_serial ): |
---|
| 2120 | """Determine to which period (directory) this time(serial) belongs""" |
---|
[47] | 2121 | |
---|
[770] | 2122 | period_serial = 0 |
---|
[47] | 2123 | |
---|
[770] | 2124 | if self.timeserials.has_key( host ): |
---|
[47] | 2125 | |
---|
[770] | 2126 | for serial in self.timeserials[ host ]: |
---|
[47] | 2127 | |
---|
[770] | 2128 | if check_serial >= serial and period_serial < serial: |
---|
[47] | 2129 | |
---|
[770] | 2130 | period_serial = serial |
---|
[56] | 2131 | |
---|
[770] | 2132 | return period_serial |
---|
[47] | 2133 | |
---|
[770] | 2134 | def determineSerials( self, host, metricname, metriclist ): |
---|
| 2135 | """ |
---|
| 2136 | Determine the correct serial and corresponding rrd to store |
---|
| 2137 | for a list of metrics |
---|
| 2138 | """ |
---|
[47] | 2139 | |
---|
[770] | 2140 | metric_serial_table = { } |
---|
[47] | 2141 | |
---|
[770] | 2142 | for metric in metriclist: |
---|
[47] | 2143 | |
---|
[770] | 2144 | if metric['name'] == metricname: |
---|
[47] | 2145 | |
---|
[858] | 2146 | period = self.determinePeriod( host, metric['time'] ) |
---|
[47] | 2147 | |
---|
[858] | 2148 | archive_secs = ARCHIVE_HOURS_PER_RRD * (60 * 60) |
---|
[47] | 2149 | |
---|
[770] | 2150 | if (int( metric['time'] ) - int( period ) ) > archive_secs: |
---|
[47] | 2151 | |
---|
[770] | 2152 | # This one should get it's own new period |
---|
| 2153 | period = metric['time'] |
---|
[57] | 2154 | |
---|
[770] | 2155 | if not self.timeserials.has_key( host ): |
---|
| 2156 | self.timeserials[ host ] = [ ] |
---|
[57] | 2157 | |
---|
[770] | 2158 | self.timeserials[ host ].append( period ) |
---|
[47] | 2159 | |
---|
[770] | 2160 | if not metric_serial_table.has_key( period ): |
---|
[47] | 2161 | |
---|
[770] | 2162 | metric_serial_table[ period ] = [ ] |
---|
[47] | 2163 | |
---|
[770] | 2164 | metric_serial_table[ period ].append( metric ) |
---|
[47] | 2165 | |
---|
[770] | 2166 | return metric_serial_table |
---|
[47] | 2167 | |
---|
[770] | 2168 | def createCheck( self, host, metricname, timeserial ): |
---|
| 2169 | """Check if an rrd allready exists for this metric, create if not""" |
---|
[9] | 2170 | |
---|
[770] | 2171 | debug_msg( 9, 'rrdcreate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
| 2172 | |
---|
| 2173 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[17] | 2174 | |
---|
[770] | 2175 | if not os.path.exists( rrd_dir ): |
---|
[58] | 2176 | |
---|
[770] | 2177 | try: |
---|
| 2178 | os.makedirs( rrd_dir ) |
---|
[58] | 2179 | |
---|
[770] | 2180 | except os.OSError, msg: |
---|
[58] | 2181 | |
---|
[770] | 2182 | if msg.find( 'File exists' ) != -1: |
---|
[58] | 2183 | |
---|
[770] | 2184 | # Ignore exists errors |
---|
| 2185 | pass |
---|
[58] | 2186 | |
---|
[770] | 2187 | else: |
---|
[58] | 2188 | |
---|
[770] | 2189 | print msg |
---|
| 2190 | return |
---|
[58] | 2191 | |
---|
[770] | 2192 | debug_msg( 9, 'created dir %s' %( str(rrd_dir) ) ) |
---|
[9] | 2193 | |
---|
[770] | 2194 | if not os.path.exists( rrd_file ): |
---|
[9] | 2195 | |
---|
[855] | 2196 | interval = self.config.getInterval( self.cluster ) |
---|
[770] | 2197 | heartbeat = 8 * int( interval ) |
---|
[9] | 2198 | |
---|
[858] | 2199 | params = [ ] |
---|
[12] | 2200 | |
---|
[770] | 2201 | params.append( '--step' ) |
---|
| 2202 | params.append( str( interval ) ) |
---|
[12] | 2203 | |
---|
[770] | 2204 | params.append( '--start' ) |
---|
| 2205 | params.append( str( int( timeserial ) - 1 ) ) |
---|
[12] | 2206 | |
---|
[770] | 2207 | params.append( 'DS:sum:GAUGE:%d:U:U' %heartbeat ) |
---|
| 2208 | params.append( 'RRA:AVERAGE:0.5:1:%s' %(ARCHIVE_HOURS_PER_RRD * 240) ) |
---|
[13] | 2209 | |
---|
[770] | 2210 | self.rrdm.create( str(rrd_file), params ) |
---|
[37] | 2211 | |
---|
[770] | 2212 | debug_msg( 9, 'created rrd %s' %( str(rrd_file) ) ) |
---|
[14] | 2213 | |
---|
[770] | 2214 | def update( self, host, metricname, timeserial, metriclist ): |
---|
| 2215 | """ |
---|
| 2216 | Update rrd file for host with metricname |
---|
| 2217 | in directory timeserial with metriclist |
---|
| 2218 | """ |
---|
[9] | 2219 | |
---|
[770] | 2220 | debug_msg( 9, 'rrdupdate: using timeserial %s for %s/%s' %( timeserial, host, metricname ) ) |
---|
[9] | 2221 | |
---|
[858] | 2222 | rrd_dir, rrd_file = self.makeRrdPath( host, metricname, timeserial ) |
---|
[18] | 2223 | |
---|
[858] | 2224 | update_list = self.makeUpdateList( host, metriclist ) |
---|
[15] | 2225 | |
---|
[770] | 2226 | if len( update_list ) > 0: |
---|
| 2227 | ret = self.rrdm.update( str(rrd_file), update_list ) |
---|
[32] | 2228 | |
---|
[770] | 2229 | if ret: |
---|
| 2230 | return 1 |
---|
| 2231 | |
---|
| 2232 | debug_msg( 9, 'updated rrd %s with %s' %( str(rrd_file), string.join( update_list ) ) ) |
---|
[15] | 2233 | |
---|
[770] | 2234 | return 0 |
---|
[36] | 2235 | |
---|
[169] | 2236 | def daemon(): |
---|
[770] | 2237 | """daemonized threading""" |
---|
[8] | 2238 | |
---|
[770] | 2239 | # Fork the first child |
---|
| 2240 | # |
---|
| 2241 | pid = os.fork() |
---|
[169] | 2242 | |
---|
[770] | 2243 | if pid > 0: |
---|
[169] | 2244 | |
---|
[770] | 2245 | sys.exit(0) # end parent |
---|
[169] | 2246 | |
---|
[770] | 2247 | # creates a session and sets the process group ID |
---|
| 2248 | # |
---|
| 2249 | os.setsid() |
---|
[169] | 2250 | |
---|
[770] | 2251 | # Fork the second child |
---|
| 2252 | # |
---|
| 2253 | pid = os.fork() |
---|
[169] | 2254 | |
---|
[770] | 2255 | if pid > 0: |
---|
[169] | 2256 | |
---|
[770] | 2257 | sys.exit(0) # end parent |
---|
[169] | 2258 | |
---|
[770] | 2259 | write_pidfile() |
---|
[435] | 2260 | |
---|
[770] | 2261 | # Go to the root directory and set the umask |
---|
| 2262 | # |
---|
| 2263 | os.chdir('/') |
---|
| 2264 | os.umask(0) |
---|
[169] | 2265 | |
---|
[770] | 2266 | sys.stdin.close() |
---|
| 2267 | sys.stdout.close() |
---|
| 2268 | sys.stderr.close() |
---|
[169] | 2269 | |
---|
[770] | 2270 | os.open('/dev/null', os.O_RDWR) |
---|
| 2271 | os.dup2(0, 1) |
---|
| 2272 | os.dup2(0, 2) |
---|
[169] | 2273 | |
---|
[770] | 2274 | run() |
---|
[169] | 2275 | |
---|
| 2276 | def run(): |
---|
[770] | 2277 | """Threading start""" |
---|
[169] | 2278 | |
---|
[855] | 2279 | global ARCHIVE_DATASOURCES |
---|
| 2280 | |
---|
[782] | 2281 | config = GangliaConfigParser( GMETAD_CONF ) |
---|
[855] | 2282 | |
---|
| 2283 | for ds in ARCHIVE_DATASOURCES: |
---|
| 2284 | |
---|
| 2285 | if not config.clusterExists( ds ): |
---|
| 2286 | |
---|
| 2287 | print "FATAL ERROR: Data source with name '%s' not found in %s" %( ds, GMETAD_CONF ) |
---|
| 2288 | sys.exit( 1 ) |
---|
| 2289 | |
---|
[782] | 2290 | s_timeout = int( config.getLowestInterval() - 1 ) |
---|
[469] | 2291 | |
---|
[770] | 2292 | socket.setdefaulttimeout( s_timeout ) |
---|
[469] | 2293 | |
---|
[770] | 2294 | myXMLSource = XMLGatherer( ARCHIVE_XMLSOURCE.split( ':' )[0], ARCHIVE_XMLSOURCE.split( ':' )[1] ) |
---|
| 2295 | myDataStore = DataSQLStore( JOB_SQL_DBASE.split( '/' )[0], JOB_SQL_DBASE.split( '/' )[1] ) |
---|
[8] | 2296 | |
---|
[782] | 2297 | myJobProcessor = JobXMLProcessor( myXMLSource, myDataStore ) |
---|
[287] | 2298 | |
---|
[949] | 2299 | myGangliaProcessors= [ ] |
---|
| 2300 | |
---|
| 2301 | for archive_cluster in ARCHIVE_DATASOURCES: |
---|
| 2302 | |
---|
| 2303 | myGangliaProcessors.append( GangliaXMLProcessor( myXMLSource, myDataStore, archive_cluster ) ) |
---|
| 2304 | |
---|
| 2305 | ganglia_xml_threads = [ ] |
---|
| 2306 | |
---|
[770] | 2307 | try: |
---|
[782] | 2308 | job_xml_thread = threading.Thread( None, myJobProcessor.run, 'job_proc_thread' ) |
---|
[22] | 2309 | |
---|
[949] | 2310 | t = 0 |
---|
| 2311 | |
---|
| 2312 | for ganglia_processor in myGangliaProcessors: |
---|
| 2313 | |
---|
| 2314 | ganglia_xml_threads.append( threading.Thread( None, ganglia_processor.run, 'ganglia_proc_thread' + str(t) ) ) |
---|
| 2315 | |
---|
| 2316 | t = t + 1 |
---|
| 2317 | |
---|
[782] | 2318 | job_xml_thread.start() |
---|
[949] | 2319 | |
---|
| 2320 | for t in ganglia_xml_threads: |
---|
| 2321 | |
---|
| 2322 | t.start() |
---|
[770] | 2323 | |
---|
| 2324 | except thread.error, msg: |
---|
| 2325 | debug_msg( 0, 'FATAL ERROR: Unable to start main threads!: '+ str(msg) ) |
---|
| 2326 | syslog.closelog() |
---|
| 2327 | sys.exit(1) |
---|
| 2328 | |
---|
| 2329 | debug_msg( 0, 'main threading started.' ) |
---|
[78] | 2330 | |
---|
[169] | 2331 | def main(): |
---|
[770] | 2332 | """Program startup""" |
---|
[169] | 2333 | |
---|
[770] | 2334 | global DAEMONIZE, USE_SYSLOG |
---|
[375] | 2335 | |
---|
[770] | 2336 | if not processArgs( sys.argv[1:] ): |
---|
| 2337 | sys.exit( 1 ) |
---|
[214] | 2338 | |
---|
[770] | 2339 | if( DAEMONIZE and USE_SYSLOG ): |
---|
| 2340 | syslog.openlog( 'jobarchived', syslog.LOG_NOWAIT, SYSLOG_FACILITY ) |
---|
[169] | 2341 | |
---|
[770] | 2342 | if DAEMONIZE: |
---|
| 2343 | daemon() |
---|
| 2344 | else: |
---|
| 2345 | run() |
---|
[169] | 2346 | |
---|
| 2347 | # |
---|
[81] | 2348 | # Global functions |
---|
[169] | 2349 | # |
---|
[81] | 2350 | |
---|
[9] | 2351 | def check_dir( directory ): |
---|
[770] | 2352 | """Check if directory is a proper directory. I.e.: Does _not_ end with a '/'""" |
---|
[9] | 2353 | |
---|
[770] | 2354 | if directory[-1] == '/': |
---|
| 2355 | directory = directory[:-1] |
---|
[9] | 2356 | |
---|
[770] | 2357 | return directory |
---|
[9] | 2358 | |
---|
[295] | 2359 | def reqtime2epoch( rtime ): |
---|
| 2360 | |
---|
[770] | 2361 | (hours, minutes, seconds ) = rtime.split( ':' ) |
---|
[295] | 2362 | |
---|
[770] | 2363 | etime = int(seconds) |
---|
| 2364 | etime = etime + ( int(minutes) * 60 ) |
---|
| 2365 | etime = etime + ( int(hours) * 60 * 60 ) |
---|
[295] | 2366 | |
---|
[770] | 2367 | return etime |
---|
[295] | 2368 | |
---|
[12] | 2369 | def debug_msg( level, msg ): |
---|
[770] | 2370 | """Only print msg if correct levels""" |
---|
[12] | 2371 | |
---|
[770] | 2372 | if (not DAEMONIZE and DEBUG_LEVEL >= level): |
---|
| 2373 | sys.stderr.write( printTime() + ' - ' + msg + '\n' ) |
---|
| 2374 | |
---|
| 2375 | if (DAEMONIZE and USE_SYSLOG and SYSLOG_LEVEL >= level): |
---|
| 2376 | syslog.syslog( msg ) |
---|
[12] | 2377 | |
---|
[46] | 2378 | def printTime( ): |
---|
[770] | 2379 | """Print current time in human readable format""" |
---|
[46] | 2380 | |
---|
[770] | 2381 | return time.strftime("%a %d %b %Y %H:%M:%S") |
---|
[46] | 2382 | |
---|
[435] | 2383 | def write_pidfile(): |
---|
| 2384 | |
---|
[770] | 2385 | # Write pidfile if PIDFILE exists |
---|
| 2386 | if PIDFILE: |
---|
[435] | 2387 | |
---|
[770] | 2388 | pid = os.getpid() |
---|
[435] | 2389 | |
---|
[770] | 2390 | pidfile = open(PIDFILE, 'w') |
---|
[435] | 2391 | |
---|
[770] | 2392 | pidfile.write( str( pid ) ) |
---|
| 2393 | pidfile.close() |
---|
[435] | 2394 | |
---|
[63] | 2395 | # Ooohh, someone started me! Let's go.. |
---|
[469] | 2396 | # |
---|
[9] | 2397 | if __name__ == '__main__': |
---|
[770] | 2398 | main() |
---|