[143] | 1 | <?php |
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[225] | 2 | /* |
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| 3 | * |
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| 4 | * This file is part of Jobmonarch |
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| 5 | * |
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| 6 | * Copyright (C) 2006 Ramon Bastiaans |
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| 7 | * |
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| 8 | * Jobmonarch is free software; you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU General Public License as published by |
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| 10 | * the Free Software Foundation; either version 2 of the License, or |
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| 11 | * (at your option) any later version. |
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| 12 | * |
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| 13 | * Jobmonarch is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | * |
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[231] | 22 | * SVN $Id: graph.php 714 2013-03-21 20:25:19Z ramonb $ |
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[225] | 23 | */ |
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| 24 | |
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[708] | 25 | global $metrics, $rrds, $range, $start, $r, $conf; |
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[409] | 26 | $range = $r; |
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[143] | 27 | |
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[409] | 28 | include "./libtoga.php"; |
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| 29 | |
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[143] | 30 | if ( !empty( $_GET ) ) { |
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| 31 | extract( $_GET ); |
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| 32 | } |
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| 33 | |
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[409] | 34 | $sourcetime = $st; |
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| 35 | |
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[143] | 36 | # Graph specific variables |
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| 37 | $size = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["z"] )); |
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| 38 | $graph = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["g"] )); |
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| 39 | $grid = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["G"] )); |
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| 40 | $self = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["me"] )); |
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| 41 | $max = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["x"] )); |
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| 42 | $min = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["n"] )); |
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| 43 | $value = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["v"] )); |
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| 44 | $load_color = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["l"] )); |
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| 45 | $vlabel = escapeshellcmd( rawurldecode( $HTTP_GET_VARS["vl"] )); |
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| 46 | |
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[145] | 47 | $cluster = $c; |
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| 48 | $metricname = ($g) ? $g : $m; |
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| 49 | $hostname = $h; |
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| 50 | |
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[143] | 51 | # Assumes we have a $start variable (set in get_context.php). |
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[145] | 52 | if ($size == "small") { |
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| 53 | $height = 40; |
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| 54 | $width = 130; |
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| 55 | } else if ($size == "medium") { |
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| 56 | $height = 75; |
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| 57 | $width = 300; |
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| 58 | } else { |
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| 59 | $height = 100; |
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| 60 | $width = 400; |
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| 61 | } |
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[143] | 62 | |
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[145] | 63 | if($command) { |
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| 64 | $command = ''; |
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| 65 | } |
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[143] | 66 | |
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[145] | 67 | $trd = new TarchRrdGraph( $cluster, $hostname ); |
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[143] | 68 | |
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[145] | 69 | $graph = $metricname; |
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[143] | 70 | |
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[145] | 71 | if (isset($graph)) { |
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| 72 | $series = ''; |
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[433] | 73 | if( isset( $period_start ) && isset( $period_stop ) ) |
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| 74 | { |
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| 75 | $rrd_dirs = $trd->getRrdDirs( $period_start, $period_stop ); |
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| 76 | } |
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[143] | 77 | |
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[145] | 78 | if($graph == "cpu_report") { |
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[433] | 79 | |
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[145] | 80 | $style = "CPU"; |
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[143] | 81 | |
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[145] | 82 | $upper_limit = "--upper-limit 100 --rigid"; |
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| 83 | $lower_limit = "--lower-limit 0"; |
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[143] | 84 | |
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[145] | 85 | $vertical_label = "--vertical-label Percent "; |
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[143] | 86 | |
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[145] | 87 | $def_nr = 0; |
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[143] | 88 | |
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[145] | 89 | foreach( $rrd_dirs as $rrd_dir ) { |
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[143] | 90 | |
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[145] | 91 | if( $def_nr == 0 ) { |
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[143] | 92 | |
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[145] | 93 | $user_str = ":'User CPU'"; |
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| 94 | $nice_str = ":'Nice CPU'"; |
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| 95 | $system_str = ":'System CPU'"; |
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| 96 | $wio_str = ":'WAIT CPU'"; |
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| 97 | $idle_str = ":'Idle CPU'"; |
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| 98 | } else { |
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[143] | 99 | |
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[145] | 100 | $user_str = ""; |
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| 101 | $nice_str = ""; |
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| 102 | $system_str = ""; |
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| 103 | $wio_str = ""; |
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| 104 | $idle_str = ""; |
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| 105 | } |
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[143] | 106 | |
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[145] | 107 | $series .= "DEF:'cpu_user${def_nr}'='${rrd_dir}/cpu_user.rrd':'sum':AVERAGE " |
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| 108 | ."DEF:'cpu_nice${def_nr}'='${rrd_dir}/cpu_nice.rrd':'sum':AVERAGE " |
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| 109 | ."DEF:'cpu_system${def_nr}'='${rrd_dir}/cpu_system.rrd':'sum':AVERAGE " |
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| 110 | ."DEF:'cpu_idle${def_nr}'='${rrd_dir}/cpu_idle.rrd':'sum':AVERAGE " |
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| 111 | ."AREA:'cpu_user${def_nr}'#${cpu_user_color}${user_str} " |
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| 112 | ."STACK:'cpu_nice${def_nr}'#${cpu_nice_color}${nice_str} " |
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| 113 | ."STACK:'cpu_system${def_nr}'#${cpu_system_color}${system_str} "; |
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[143] | 114 | |
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[145] | 115 | if (file_exists("$rrd_dir/cpu_wio.rrd")) { |
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| 116 | $series .= "DEF:'cpu_wio${def_nr}'='${rrd_dir}/cpu_wio.rrd':'sum':AVERAGE " |
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| 117 | ."STACK:'cpu_wio${def_nr}'#${cpu_wio_color}${wio_str} "; |
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| 118 | } |
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[143] | 119 | |
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[145] | 120 | $series .= "STACK:'cpu_idle${def_nr}'#${cpu_idle_color}${idle_str} "; |
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[143] | 121 | |
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[145] | 122 | $def_nr++; |
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| 123 | } |
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[143] | 124 | |
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[409] | 125 | } else if ($graph == "job_report") { |
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| 126 | $style = "Jobs"; |
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| 127 | |
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| 128 | $lower_limit = "--lower-limit 0 --rigid"; |
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| 129 | $vertical_label = "--vertical-label Jobs"; |
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| 130 | |
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| 131 | $def_nr = 0; |
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| 132 | |
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| 133 | foreach( $metrics as $bhost => $bmetric ) |
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| 134 | { |
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| 135 | foreach( $bmetric as $mname => $mval ) |
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| 136 | { |
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| 137 | if( ( $mname == 'MONARCH-RJ' ) || ($mname == 'MONARCH-QJ') ) |
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| 138 | { |
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| 139 | $rjqj_host = $bhost; |
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| 140 | } |
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| 141 | } |
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| 142 | } |
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| 143 | |
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| 144 | $rrd_dir = "$rrds/$clustername/$rjqj_host/"; |
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| 145 | |
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| 146 | $rj_rrd = $rrd_dir . "MONARCH-RJ.rrd"; |
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| 147 | $qj_rrd = $rrd_dir . "MONARCH-QJ.rrd"; |
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| 148 | |
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| 149 | $sorted_hosts = array(); |
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| 150 | $sorted_hosts[] = $rjqj_host; |
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| 151 | |
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| 152 | $rj_str = ":'Running Jobs'"; |
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| 153 | $qj_str = ":'Queued Jobs'"; |
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| 154 | |
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| 155 | $series .= "DEF:'running_jobs'='${rj_rrd}':'sum':AVERAGE " |
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| 156 | ."DEF:'queued_jobs'='${qj_rrd}':'sum':AVERAGE " |
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| 157 | |
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| 158 | |
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| 159 | ."LINE3:'running_jobs'#ff0000${rj_str} " |
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| 160 | ."LINE3:'queued_jobs'#999999${qj_str} "; |
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| 161 | |
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[145] | 162 | } else if ($graph == "mem_report") { |
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| 163 | $style = "Memory"; |
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[143] | 164 | |
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[145] | 165 | $lower_limit = "--lower-limit 0 --rigid"; |
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| 166 | $extras = "--base 1024"; |
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| 167 | $vertical_label = "--vertical-label Bytes"; |
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[143] | 168 | |
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[145] | 169 | $def_nr = 0; |
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[143] | 170 | |
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[145] | 171 | foreach( $rrd_dirs as $rrd_dir ) { |
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[143] | 172 | |
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[145] | 173 | if( $def_nr == 0 ) { |
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[143] | 174 | |
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[145] | 175 | $memuse_str = ":'Memory Used'"; |
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| 176 | $memshared_str = ":'Memory Shared'"; |
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| 177 | $memcached_str = ":'Memory Cached'"; |
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| 178 | $membuff_str = ":'Memory Buffered'"; |
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| 179 | $memswap_str = ":'Memory Swapped'"; |
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| 180 | $total_str = ":'Total In-Core Memory'"; |
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| 181 | } else { |
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[143] | 182 | |
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[145] | 183 | $memuse_str = ""; |
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| 184 | $memshared_str = ""; |
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| 185 | $memcached_str = ""; |
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| 186 | $membuff_str = ""; |
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| 187 | $memswap_str = ""; |
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| 188 | $total_str = ""; |
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| 189 | } |
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[143] | 190 | |
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[145] | 191 | $series .= "DEF:'mem_total${def_nr}'='${rrd_dir}/mem_total.rrd':'sum':AVERAGE " |
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| 192 | ."CDEF:'bmem_total${def_nr}'=mem_total${def_nr},1024,* " |
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| 193 | ."DEF:'mem_shared${def_nr}'='${rrd_dir}/mem_shared.rrd':'sum':AVERAGE " |
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| 194 | ."CDEF:'bmem_shared${def_nr}'=mem_shared${def_nr},1024,* " |
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| 195 | ."DEF:'mem_free${def_nr}'='${rrd_dir}/mem_free.rrd':'sum':AVERAGE " |
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| 196 | ."CDEF:'bmem_free${def_nr}'=mem_free${def_nr},1024,* " |
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| 197 | ."DEF:'mem_cached${def_nr}'='${rrd_dir}/mem_cached.rrd':'sum':AVERAGE " |
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| 198 | ."CDEF:'bmem_cached${def_nr}'=mem_cached${def_nr},1024,* " |
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| 199 | ."DEF:'mem_buffers${def_nr}'='${rrd_dir}/mem_buffers.rrd':'sum':AVERAGE " |
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| 200 | ."CDEF:'bmem_buffers${def_nr}'=mem_buffers${def_nr},1024,* " |
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| 201 | ."CDEF:'bmem_used${def_nr}'='bmem_total${def_nr}','bmem_shared${def_nr}',-,'bmem_free${def_nr}',-,'bmem_cached${def_nr}',-,'bmem_buffers${def_nr}',- " |
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| 202 | ."AREA:'bmem_used${def_nr}'#${mem_used_color}${memuse_str} " |
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| 203 | ."STACK:'bmem_shared${def_nr}'#${mem_shared_color}${memshared_str} " |
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| 204 | ."STACK:'bmem_cached${def_nr}'#${mem_cached_color}${memcached_str} " |
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| 205 | ."STACK:'bmem_buffers${def_nr}'#${mem_buffered_color}${membuff_str} "; |
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| 206 | |
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| 207 | if (file_exists("$rrd_dir/swap_total.rrd")) { |
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| 208 | $series .= "DEF:'swap_total${def_nr}'='${rrd_dir}/swap_total.rrd':'sum':AVERAGE " |
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| 209 | ."DEF:'swap_free${def_nr}'='${rrd_dir}/swap_free.rrd':'sum':AVERAGE " |
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| 210 | ."CDEF:'bmem_swapped${def_nr}'='swap_total${def_nr}','swap_free${def_nr}',-,1024,* " |
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| 211 | ."STACK:'bmem_swapped${def_nr}'#${mem_swapped_color}${memswap_str} "; |
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| 212 | } |
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| 213 | |
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| 214 | $series .= "LINE2:'bmem_total${def_nr}'#${cpu_num_color}${total_str} "; |
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| 215 | |
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| 216 | $def_nr++; |
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| 217 | } |
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| 218 | |
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| 219 | } else if ($graph == "load_report") { |
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| 220 | $style = "Load"; |
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| 221 | |
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| 222 | $lower_limit = "--lower-limit 0 --rigid"; |
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| 223 | $vertical_label = "--vertical-label 'Load/Procs'"; |
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| 224 | |
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| 225 | $def_nr = 0; |
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| 226 | |
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| 227 | foreach( $rrd_dirs as $rrd_dir ) { |
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| 228 | |
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| 229 | if( $def_nr == 0 ) { |
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| 230 | |
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| 231 | $load_str = ":'1-min Load'"; |
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| 232 | $cpu_str = ":'CPUs'"; |
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| 233 | $run_str = ":'Running Processes'"; |
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| 234 | } else { |
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[192] | 235 | $load_str = ""; |
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| 236 | $cpu_str = ""; |
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| 237 | $run_str = ""; |
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[145] | 238 | } |
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| 239 | |
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| 240 | $series .= "DEF:'load_one${def_nr}'='${rrd_dir}/load_one.rrd':'sum':AVERAGE " |
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| 241 | ."DEF:'proc_run${def_nr}'='${rrd_dir}/proc_run.rrd':'sum':AVERAGE " |
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| 242 | ."DEF:'cpu_num${def_nr}'='${rrd_dir}/cpu_num.rrd':'sum':AVERAGE "; |
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| 243 | $series .="AREA:'load_one${def_nr}'#${load_one_color}${load_str} "; |
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| 244 | $series .="LINE2:'cpu_num${def_nr}'#${cpu_num_color}${cpu_str} "; |
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| 245 | $series .="LINE2:'proc_run${def_nr}'#${proc_run_color}${run_str} "; |
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| 246 | |
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| 247 | $def_nr++; |
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| 248 | } |
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| 249 | |
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| 250 | } else if ($graph == "network_report") { |
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| 251 | $style = "Network"; |
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| 252 | |
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| 253 | $lower_limit = "--lower-limit 0 --rigid"; |
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| 254 | $extras = "--base 1024"; |
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| 255 | $vertical_label = "--vertical-label 'Bytes/sec'"; |
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| 256 | |
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| 257 | $def_nr = 0; |
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| 258 | |
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| 259 | foreach( $rrd_dirs as $rrd_dir ) { |
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| 260 | |
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| 261 | if( $def_nr == 0 ) { |
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| 262 | |
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| 263 | $in_str = ":'In'"; |
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| 264 | $out_str = ":'Out'"; |
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| 265 | } else { |
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| 266 | |
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| 267 | $in_str = ""; |
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| 268 | $out_str = ""; |
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| 269 | } |
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| 270 | |
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| 271 | $series .= "DEF:'bytes_in${def_nr}'='${rrd_dir}/bytes_in.rrd':'sum':AVERAGE " |
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| 272 | ."DEF:'bytes_out${def_nr}'='${rrd_dir}/bytes_out.rrd':'sum':AVERAGE " |
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| 273 | ."LINE2:'bytes_in${def_nr}'#${mem_cached_color}${in_str} " |
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| 274 | ."LINE2:'bytes_out${def_nr}'#${mem_used_color}${out_str} "; |
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| 275 | |
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| 276 | $def_nr++; |
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| 277 | } |
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| 278 | |
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| 279 | } else if ($graph == "packet_report") { |
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| 280 | $style = "Packets"; |
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| 281 | |
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| 282 | $lower_limit = "--lower-limit 0 --rigid"; |
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| 283 | $extras = "--base 1024"; |
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| 284 | $vertical_label = "--vertical-label 'Packets/sec'"; |
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| 285 | |
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| 286 | $def_nr = 0; |
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| 287 | |
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| 288 | foreach( $rrd_dirs as $rrd_dir ) { |
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| 289 | |
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| 290 | if( $def_nr == 0 ) { |
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| 291 | |
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| 292 | $in_str = ":'In'"; |
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| 293 | $out_str = ":'Out'"; |
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| 294 | } else { |
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| 295 | |
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| 296 | $in_str = ""; |
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| 297 | $out_str = ""; |
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| 298 | } |
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| 299 | |
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| 300 | $series .= "DEF:'bytes_in${def_nr}'='${rrd_dir}/pkts_in.rrd':'sum':AVERAGE " |
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| 301 | ."DEF:'bytes_out${def_nr}'='${rrd_dir}/pkts_out.rrd':'sum':AVERAGE " |
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| 302 | ."LINE2:'bytes_in${def_nr}'#${mem_cached_color}${in_str} " |
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| 303 | ."LINE2:'bytes_out${def_nr}'#${mem_used_color}${out_str} "; |
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| 304 | |
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| 305 | $def_nr++; |
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| 306 | } |
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| 307 | |
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| 308 | } else { |
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| 309 | /* Custom graph */ |
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| 310 | $style = ""; |
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| 311 | |
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| 312 | $subtitle = $metricname; |
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| 313 | if ($context == "host") { |
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| 314 | if ($size == "small") |
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| 315 | $prefix = $metricname; |
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| 316 | else |
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| 317 | $prefix = $hostname; |
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| 318 | |
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| 319 | $value = $value>1000 ? number_format($value) : number_format($value, 2); |
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| 320 | } |
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| 321 | |
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| 322 | if (is_numeric($max)) |
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| 323 | $upper_limit = "--upper-limit '$max' "; |
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| 324 | if (is_numeric($min)) |
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| 325 | $lower_limit ="--lower-limit '$min' "; |
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| 326 | |
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| 327 | if ($vlabel) |
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| 328 | $vertical_label = "--vertical-label '$vlabel'"; |
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| 329 | else { |
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| 330 | if ($upper_limit or $lower_limit) { |
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| 331 | $max = $max>1000 ? number_format($max) : number_format($max, 2); |
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| 332 | $min = $min>0 ? number_format($min,2) : $min; |
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| 333 | |
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| 334 | $vertical_label ="--vertical-label '$min - $max' "; |
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| 335 | } |
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| 336 | } |
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| 337 | |
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| 338 | $def_nr = 0; |
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| 339 | |
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| 340 | foreach( $rrd_dirs as $rrd_dir ) { |
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| 341 | |
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| 342 | if( $def_nr == 0 ) { |
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| 343 | $title_str = ":'${subtitle}'"; |
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| 344 | } else { |
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| 345 | $title_str = ""; |
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| 346 | } |
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| 347 | |
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| 348 | $rrd_file = "$rrd_dir/$metricname.rrd"; |
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| 349 | $series .= "DEF:'sum${def_nr}'='$rrd_file':'sum':AVERAGE " |
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| 350 | ."AREA:'sum${def_nr}'#${default_metric_color}${title_str} "; |
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| 351 | |
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| 352 | $def_nr++; |
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| 353 | } |
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| 354 | |
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| 355 | } |
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| 356 | if( $series != '' ) { |
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| 357 | if ($job_start) |
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| 358 | $series .= "VRULE:${job_start}#${jobstart_color} "; |
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| 359 | if ($job_stop) |
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| 360 | $series .= "VRULE:${job_stop}#${jobstart_color} "; |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | $title = "$hostname"; |
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| 365 | |
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[152] | 366 | function determineXGrid( $p_start, $p_stop ) { |
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| 367 | |
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| 368 | $period = intval( $p_stop - $p_start ); |
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| 369 | |
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| 370 | // Syntax: <minor_grid_lines_time_declr>:<major_grid_lines_time_declr>:<labels_time_declr>:<offset>:<format> |
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| 371 | // |
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| 372 | // Where each <*time_declr*> = <time_type>:<time_interval> |
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| 373 | |
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[159] | 374 | //$my_lines1 = intval( $period / 3.0 ); |
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| 375 | //$my_lines2 = intval( $period / 6.0 ); |
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| 376 | |
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| 377 | //$my_grid = "SECOND:$my_lines2:SECOND:$my_lines1:SECOND:$my_lines1:0:%R"; |
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| 378 | |
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| 379 | //return "--x-grid $my_grid"; |
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| 380 | |
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[152] | 381 | // Less than 1 minute |
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[159] | 382 | if( $period < 60 ) { |
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[152] | 383 | |
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[159] | 384 | $tm_formt = "%X"; |
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| 385 | $my_grid = "SECOND:15:SECOND:30:SECOND:30:0:$tm_formt"; |
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[152] | 386 | |
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| 387 | // Less than 10 minutes |
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[159] | 388 | } else if( $period < 600 ) { |
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[152] | 389 | |
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[159] | 390 | $tm_formt = "%R"; |
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| 391 | $my_grid = "MINUTE:1:MINUTE:3:MINUTE:3:0:$tm_formt"; |
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[152] | 392 | |
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| 393 | // Less than 1 hour |
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[159] | 394 | } else if( $period < 3600 ) { |
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[152] | 395 | |
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[159] | 396 | $tm_formt = "%R"; |
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| 397 | $my_grid = "MINUTE:5:MINUTE:15:MINUTE:15:0:$tm_formt"; |
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[152] | 398 | |
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[159] | 399 | // Less than 15 hour |
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| 400 | } else if( $period < 3600 ) { |
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| 401 | |
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| 402 | $tm_formt = "%R"; |
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| 403 | $my_grid = "HOUR:1:HOUR:2:HOUR:2:0:$tm_formt"; |
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| 404 | |
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[152] | 405 | // Less than 1 day |
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| 406 | // |
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[159] | 407 | } else if( $period < 86400 ) { |
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[152] | 408 | |
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[159] | 409 | $tm_formt = "%R"; |
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| 410 | $my_grid = "HOUR:2:HOUR:5:HOUR:5:0:$tm_formt"; |
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[152] | 411 | |
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| 412 | // Less than 15 days |
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| 413 | // |
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[159] | 414 | } else if( $period < 1296000 ) { |
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[152] | 415 | |
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[159] | 416 | $tm_formt = "%e-%m"; |
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| 417 | $my_grid = "HOUR:1:DAY:3:DAY:3:0:'$tm_formt'"; |
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[152] | 418 | |
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| 419 | // Less than 30 days (a month) |
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| 420 | // |
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[159] | 421 | } else if( $period < 2592000 ) { |
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[152] | 422 | |
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[159] | 423 | $tm_formt = "%e-%m"; |
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| 424 | $my_grid = "DAY:5:DAY:10:DAY:10:0:'$tm_formt'"; |
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| 425 | } |
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[152] | 426 | |
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[159] | 427 | if( isset( $my_grid ) ) { |
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[152] | 428 | |
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[159] | 429 | $ret_str = "--x-grid $my_grid"; |
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| 430 | return array($ret_str,$tm_formt); |
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[152] | 431 | |
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[159] | 432 | } else { |
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| 433 | return array( "", "" ); |
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| 434 | } |
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[152] | 435 | } |
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| 436 | |
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[192] | 437 | #list( $xgrid, $t_format ) = determineXGrid( $period_start, $period_stop ); |
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[152] | 438 | |
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[192] | 439 | #if( $t_format != "" ) { |
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| 440 | # $prnt_start = strftime( $t_format, $period_start ); |
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| 441 | # $prnt_stop = strftime( $t_format, $period_stop ); |
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| 442 | # $series .= " COMMENT:' Timescale $prnt_start - $prnt_stop' "; |
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| 443 | #} |
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[159] | 444 | |
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[193] | 445 | $lower_limit = "--lower-limit 0"; |
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[159] | 446 | |
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[409] | 447 | # Calculate time range. |
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| 448 | if( isset($sourcetime) ) |
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| 449 | { |
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| 450 | $end = $sourcetime; |
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| 451 | # Get_context makes start negative. |
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| 452 | $start = $sourcetime + $start; |
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| 453 | |
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| 454 | # Fix from Phil Radden, but step is not always 15 anymore. |
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| 455 | if ($range=="month") |
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| 456 | $end = floor($end / 672) * 672; |
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| 457 | |
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[708] | 458 | $command = $conf['rrdtool']. " graph - --start $start --end $end ". |
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[409] | 459 | "--width $width --height $height $lower_limit ". |
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| 460 | "--title '$title' $extras $background ". |
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| 461 | $series; |
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| 462 | } |
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| 463 | |
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[143] | 464 | # |
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| 465 | # Generate the rrdtool graph command. |
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| 466 | # |
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[192] | 467 | #$command = RRDTOOL . " graph - --start $period_start --end $period_stop ". |
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| 468 | # "--width $width --height $height $upper_limit $lower_limit ". |
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| 469 | # "--title '$title' $vertical_label $extras $background $xgrid ". |
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| 470 | # $series; |
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[143] | 471 | |
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[409] | 472 | else { |
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[708] | 473 | $command = $conf['rrdtool'] . " graph - --start $period_start --end $period_stop ". |
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[409] | 474 | "--width $width --height $height $lower_limit ". |
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| 475 | "--title '$title' $extras $background ". |
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| 476 | $series; |
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| 477 | } |
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| 478 | |
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[143] | 479 | $debug=0; |
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| 480 | |
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| 481 | # Did we generate a command? Run it. |
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[145] | 482 | if($command) { |
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| 483 | /*Make sure the image is not cached*/ |
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| 484 | header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past |
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| 485 | header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified |
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| 486 | header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 |
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| 487 | header ("Pragma: no-cache"); // HTTP/1.0 |
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| 488 | if ($debug) { |
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| 489 | header ("Content-type: text/html"); |
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| 490 | print "$command\n\n\n\n\n"; |
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| 491 | } else { |
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| 492 | header ("Content-type: image/gif"); |
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| 493 | passthru($command); |
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| 494 | } |
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| 495 | } |
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[143] | 496 | ?> |
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