librenms/includes/polling/applications/mysql.inc.php

<?php

#Polls MySQL  statistics from script via SNMP

$mysql_rrd  = $config['rrd_dir'] . "/" . $device['hostname'] . "/app-mysql-".$app['app_id'].".rrd";
$mysql_cmd  = $config['snmpget'] ." -m NET-SNMP-EXTEND-MIB -O qv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port'];
$mysql_cmd .= " nsExtendOutputFull.5.109.121.115.113.108";

$mysql  = shell_exec($mysql_cmd);

echo(" mysql...");

$data = explode("\n", $mysql);

$map = array();
foreach ($data as $str)
{
  list($key, $value) = explode(":", $str);
  $map[$key] = (float)trim($value);
  #$nstring .= (float)trim($elements[1]).":";
}

$mapping = array(
        'IDBLBSe' => 'cr',
        'IBLFh' => 'ct',
        'IBLWn' => 'cu',
        'IBLWn' => 'cu',
        'SRows' => 'ck',
        'SRange' => 'cj',
        'SMPs' => 'ci',
        'SScan' => 'cl',
        'IBIRd' => 'ai',
        'IBIWr' => 'aj',
        'IBILg' => 'ak',
        'IBIFSc' => 'ah',
        'IDBRDd' => 'b2',
        'IDBRId' => 'b0',
        'IDBRRd' => 'b3',
        'IDBRUd' => 'b1',
        'IBRd' => 'ae',
        'IBCd' => 'af',
        'IBWr' => 'ag',
        'TLIe' => 'b5',
        'TLWd' => 'b4',
        'IBPse' => 'aa',
        'IBPDBp' => 'ac',
        'IBPFe' => 'ab',
        'IBPMps' => 'ad',
        'TOC' => 'bc',
        'OFs' => 'b7',
        'OTs' => 'b8',
        'OdTs' => 'b9',
        'IBSRs' => 'ay',
        'IBSWs' => 'ax',
        'IBOWs' => 'az',
        'QCs' => 'c1',
        'QCeFy' => 'bu',
        'MaCs' => 'bl',
        'MUCs' => 'bf',
        'ACs' => 'bd',
        'AdCs' => 'be',
        'TCd' => 'bi',
        'Cs' => 'bn',
        'IBTNx' => 'a5',
        'KRRs' => 'a0',
        'KRs' => 'a1',
        'KWR' => 'a2',
        'KWs' => 'a3',
        'QCQICe' => 'bz',
        'QCHs' => 'bv',
        'QCIs' => 'bw',
        'QCNCd' => 'by',
        'QCLMPs' => 'bx',
        'CTMPDTs' => 'cn',
        'CTMPTs' => 'cm',
        'CTMPFs' => 'co',
        'IBIIs' => 'au',
        'IBIMRd' => 'av',
        'IBIMs' => 'aw',
        'IBILog' => 'al',
        'IBISc' => 'am',
        'IBIFLg' => 'an',
        'IBFBl' => 'aq',
        'IBIIAo' => 'ap',
        'IBIAd' => 'as',
        'IBIAe' => 'at',
        'SFJn' => 'cd',
        'SFRJn' => 'ce',
        'SRe' => 'cf',
        'SRCk' => 'cg',
        'SSn' => 'ch',
        'SQs' => 'b6',
        'BRd' => 'cq',
        'BSt' => 'cp',
        'CDe' => 'c6',
        'CIt' => 'c4',
        'CISt' => 'ca',
        'CLd' => 'c8',
        'CRe' => 'c7',
        'CRSt' => 'cc',
        'CSt' => 'c5',
        'CUe' => 'c3',
        'CUMi' => 'c9',
);

$values = array();
foreach ($mapping as $key)
{
  $values[] = isset($map[$key]) ? $map[$key] : -1;
}
$string = implode(':', $values);

#$data = explode("\n", $mysql);
#$nstring = trim(implode(':',$data),':');

if (!is_file($mysql_rrd))
{
  rrdtool_create ($mysql_rrd, "--step 300 \
        DS:IDBLBSe:GAUGE:600:0:125000000000 \
        DS:IBLFh:DERIVE:600:0:125000000000 \
        DS:IBLWn:DERIVE:600:0:125000000000 \
        DS:SRows:DERIVE:600:0:125000000000 \
        DS:SRange:DERIVE:600:0:125000000000 \
        DS:SMPs:DERIVE:600:0:125000000000 \
        DS:SScan:DERIVE:600:0:125000000000 \
        DS:IBIRd:DERIVE:600:0:125000000000 \
        DS:IBIWr:DERIVE:600:0:125000000000 \
        DS:IBILg:DERIVE:600:0:125000000000 \
        DS:IBIFSc:DERIVE:600:0:125000000000 \
        DS:IDBRDd:DERIVE:600:0:125000000000 \
        DS:IDBRId:DERIVE:600:0:125000000000 \
        DS:IDBRRd:DERIVE:600:0:125000000000 \
        DS:IDBRUd:DERIVE:600:0:125000000000 \
        DS:IBRd:DERIVE:600:0:125000000000 \
        DS:IBCd:DERIVE:600:0:125000000000 \
        DS:IBWr:DERIVE:600:0:125000000000 \
        DS:TLIe:DERIVE:600:0:125000000000 \
        DS:TLWd:DERIVE:600:0:125000000000 \
        DS:IBPse:GAUGE:600:0:125000000000 \
        DS:IBPDBp:GAUGE:600:0:125000000000 \
        DS:IBPFe:GAUGE:600:0:125000000000 \
        DS:IBPMps:GAUGE:600:0:125000000000 \
        DS:TOC:GAUGE:600:0:125000000000 \
        DS:OFs:GAUGE:600:0:125000000000 \
        DS:OTs:GAUGE:600:0:125000000000 \
        DS:OdTs:COUNTER:600:0:125000000000 \
        DS:IBSRs:DERIVE:600:0:125000000000 \
        DS:IBSWs:DERIVE:600:0:125000000000 \
        DS:IBOWs:DERIVE:600:0:125000000000 \
        DS:QCs:GAUGE:600:0:125000000000 \
        DS:QCeFy:GAUGE:600:0:125000000000 \
        DS:MaCs:GAUGE:600:0:125000000000 \
        DS:MUCs:GAUGE:600:0:125000000000 \
        DS:ACs:DERIVE:600:0:125000000000 \
        DS:AdCs:DERIVE:600:0:125000000000 \
        DS:TCd:GAUGE:600:0:125000000000 \
        DS:Cs:DERIVE:600:0:125000000000 \
        DS:IBTNx:DERIVE:600:0:125000000000 \
        DS:KRRs:DERIVE:600:0:125000000000 \
        DS:KRs:DERIVE:600:0:125000000000 \
        DS:KWR:DERIVE:600:0:125000000000 \
        DS:KWs:DERIVE:600:0:125000000000 \
        DS:QCQICe:DERIVE:600:0:125000000000 \
        DS:QCHs:DERIVE:600:0:125000000000 \
        DS:QCIs:DERIVE:600:0:125000000000 \
        DS:QCNCd:DERIVE:600:0:125000000000 \
        DS:QCLMPs:DERIVE:600:0:125000000000 \
        DS:CTMPDTs:DERIVE:600:0:125000000000 \
        DS:CTMPTs:DERIVE:600:0:125000000000 \
        DS:CTMPFs:DERIVE:600:0:125000000000 \
        DS:IBIIs:DERIVE:600:0:125000000000 \
        DS:IBIMRd:DERIVE:600:0:125000000000 \
        DS:IBIMs:DERIVE:600:0:125000000000 \
        DS:IBILog:DERIVE:602:0:125000000000 \
        DS:IBISc:DERIVE:602:0:125000000000 \
        DS:IBIFLg:DERIVE:600:0:125000000000 \
        DS:IBFBl:DERIVE:600:0:125000000000 \
        DS:IBIIAo:DERIVE:600:0:125000000000 \
        DS:IBIAd:DERIVE:600:0:125000000000 \
        DS:IBIAe:DERIVE:600:0:125000000000 \
        DS:SFJn:DERIVE:600:0:125000000000 \
        DS:SFRJn:DERIVE:600:0:125000000000 \
        DS:SRe:DERIVE:600:0:125000000000 \
        DS:SRCk:DERIVE:600:0:125000000000 \
        DS:SSn:DERIVE:600:0:125000000000 \
        DS:SQs:DERIVE:600:0:125000000000 \
        DS:BRd:DERIVE:600:0:125000000000 \
        DS:BSt:DERIVE:600:0:125000000000 \
        DS:CDe:DERIVE:600:0:125000000000 \
        DS:CIt:DERIVE:600:0:125000000000 \
        DS:CISt:DERIVE:600:0:125000000000 \
        DS:CLd:DERIVE:600:0:125000000000 \
        DS:CRe:DERIVE:600:0:125000000000 \
        DS:CRSt:DERIVE:600:0:125000000000 \
        DS:CSt:DERIVE:600:0:125000000000 \
        DS:CUe:DERIVE:600:0:125000000000 \
        DS:CUMi:DERIVE:600:0:125000000000 \
        RRA:AVERAGE:0.5:1:600 \
        RRA:AVERAGE:0.5:6:700 \
        RRA:AVERAGE:0.5:24:775 \
        RRA:AVERAGE:0.5:288:797 \
        RRA:MIN:0.5:1:600 \
        RRA:MIN:0.5:6:700 \
        RRA:MIN:0.5:24:775 \
        RRA:MIN:0.5:3:600 \
        RRA:MAX:0.5:1:600 \
        RRA:MAX:0.5:6:700 \
        RRA:MAX:0.5:24:775 \
        RRA:MAX:0.5:288:797");
}

rrdtool_update($mysql_rrd, "N:$string");
echo("done ");

?>