mirror of
https://github.com/librenms/librenms.git
synced 2024-09-29 14:26:25 +00:00
168 lines
6.5 KiB
PHP
168 lines
6.5 KiB
PHP
<?php
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$load_rrd = $host_rrd.'/ucd_load.rrd';
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$cpu_rrd = $host_rrd.'/ucd_cpu.rrd';
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$mem_rrd = $host_rrd.'/ucd_mem.rrd';
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// Poll systemStats from UNIX-like hosts running UCD/Net-SNMPd
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// UCD-SNMP-MIB::ssIndex.0 = INTEGER: 1
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// UCD-SNMP-MIB::ssErrorName.0 = STRING: systemStats
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// UCD-SNMP-MIB::ssSwapIn.0 = INTEGER: 0 kB
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// UCD-SNMP-MIB::ssSwapOut.0 = INTEGER: 0 kB
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// UCD-SNMP-MIB::ssIOSent.0 = INTEGER: 1864 blocks/s
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// UCD-SNMP-MIB::ssIOReceive.0 = INTEGER: 7 blocks/s
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// UCD-SNMP-MIB::ssSysInterrupts.0 = INTEGER: 7572 interrupts/s
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// UCD-SNMP-MIB::ssSysContext.0 = INTEGER: 10254 switches/s
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// UCD-SNMP-MIB::ssCpuUser.0 = INTEGER: 4
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// UCD-SNMP-MIB::ssCpuSystem.0 = INTEGER: 3
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// UCD-SNMP-MIB::ssCpuIdle.0 = INTEGER: 77
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// UCD-SNMP-MIB::ssCpuRawUser.0 = Counter32: 194386556
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// UCD-SNMP-MIB::ssCpuRawNice.0 = Counter32: 15673
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// UCD-SNMP-MIB::ssCpuRawSystem.0 = Counter32: 65382910
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// UCD-SNMP-MIB::ssCpuRawIdle.0 = Counter32: 1655192684
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// UCD-SNMP-MIB::ssCpuRawWait.0 = Counter32: 205336019
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// UCD-SNMP-MIB::ssCpuRawKernel.0 = Counter32: 0
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// UCD-SNMP-MIB::ssCpuRawInterrupt.0 = Counter32: 1128048
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// UCD-SNMP-MIB::ssIORawSent.0 = Counter32: 2353983704
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// UCD-SNMP-MIB::ssIORawReceived.0 = Counter32: 3172182750
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// UCD-SNMP-MIB::ssRawInterrupts.0 = Counter32: 427446276
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// UCD-SNMP-MIB::ssRawContexts.0 = Counter32: 4161026807
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// UCD-SNMP-MIB::ssCpuRawSoftIRQ.0 = Counter32: 2605010
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// UCD-SNMP-MIB::ssRawSwapIn.0 = Counter32: 602002
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// UCD-SNMP-MIB::ssRawSwapOut.0 = Counter32: 937422
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$ss = snmpwalk_cache_oid($device, 'systemStats', array(), 'UCD-SNMP-MIB');
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$ss = $ss[0];
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// Insert Nazi joke here.
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// Create CPU RRD if it doesn't already exist
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$cpu_rrd_create = ' --step 300 \
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DS:user:COUNTER:600:0:U \
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DS:system:COUNTER:600:0:U \
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DS:nice:COUNTER:600:0:U \
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DS:idle:COUNTER:600:0:U '.$config['rrd_rra'];
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// This is how we currently collect. We should collect one RRD per stat, for ease of handling differen formats,
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// and because it is per-host and no big performance hit. See new format below
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// FIXME REMOVE
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if (is_numeric($ss['ssCpuRawUser']) && is_numeric($ss['ssCpuRawNice']) && is_numeric($ss['ssCpuRawSystem']) && is_numeric($ss['ssCpuRawIdle'])) {
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if (!is_file($cpu_rrd)) {
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rrdtool_create($cpu_rrd, $cpu_rrd_create);
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}
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rrdtool_update($cpu_rrd, array($ss['ssCpuRawUser'], $ss['ssCpuRawSystem'], $ss['ssCpuRawNice'], $ss['ssCpuRawIdle']));
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$graphs['ucd_cpu'] = true;
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}
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// This is how we'll collect in the future, start now so people don't have zero data.
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$collect_oids = array(
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'ssCpuRawUser',
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'ssCpuRawNice',
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'ssCpuRawSystem',
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'ssCpuRawIdle',
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'ssCpuRawInterrupt',
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'ssCpuRawSoftIRQ',
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'ssCpuRawKernel',
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'ssCpuRawWait',
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'ssIORawSent',
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'ssIORawReceived',
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'ssRawInterrupts',
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'ssRawContexts',
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'ssRawSwapIn',
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'ssRawSwapOut',
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);
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foreach ($collect_oids as $oid) {
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if (is_numeric($ss[$oid])) {
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$value = $ss[$oid];
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$filename = $host_rrd.'/ucd_'.$oid.'.rrd';
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if (!is_file($filename)) {
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rrdtool_create($filename, ' --step 300 DS:value:COUNTER:600:0:U '.$config['rrd_rra']);
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}
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rrdtool_update($filename, 'N:'.$value);
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$graphs['ucd_cpu'] = true;
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}
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}
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// Set various graphs if we've seen the right OIDs.
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if (is_numeric($ss['ssRawSwapIn'])) {
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$graphs['ucd_swap_io'] = true;
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}
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if (is_numeric($ss['ssIORawSent'])) {
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$graphs['ucd_io'] = true;
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}
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if (is_numeric($ss['ssRawContexts'])) {
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$graphs['ucd_contexts'] = true;
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}
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if (is_numeric($ss['ssRawInterrupts'])) {
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$graphs['ucd_interrupts'] = true;
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}
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// #
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// Poll mem for load memory utilisation stats on UNIX-like hosts running UCD/Net-SNMPd
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// UCD-SNMP-MIB::memIndex.0 = INTEGER: 0
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// UCD-SNMP-MIB::memErrorName.0 = STRING: swap
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// UCD-SNMP-MIB::memTotalSwap.0 = INTEGER: 32762248 kB
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// UCD-SNMP-MIB::memAvailSwap.0 = INTEGER: 32199396 kB
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// UCD-SNMP-MIB::memTotalReal.0 = INTEGER: 8187696 kB
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// UCD-SNMP-MIB::memAvailReal.0 = INTEGER: 1211056 kB
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// UCD-SNMP-MIB::memTotalFree.0 = INTEGER: 33410452 kB
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// UCD-SNMP-MIB::memMinimumSwap.0 = INTEGER: 16000 kB
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// UCD-SNMP-MIB::memBuffer.0 = INTEGER: 104388 kB
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// UCD-SNMP-MIB::memCached.0 = INTEGER: 2595556 kB
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// UCD-SNMP-MIB::memSwapError.0 = INTEGER: noError(0)
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// UCD-SNMP-MIB::memSwapErrorMsg.0 = STRING:
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$mem_rrd_create = ' --step 300 \
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DS:totalswap:GAUGE:600:0:10000000000 \
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DS:availswap:GAUGE:600:0:10000000000 \
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DS:totalreal:GAUGE:600:0:10000000000 \
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DS:availreal:GAUGE:600:0:10000000000 \
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DS:totalfree:GAUGE:600:0:10000000000 \
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DS:shared:GAUGE:600:0:10000000000 \
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DS:buffered:GAUGE:600:0:10000000000 \
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DS:cached:GAUGE:600:0:10000000000 '.$config['rrd_rra'];
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$snmpdata = snmp_get_multi($device, 'memTotalSwap.0 memAvailSwap.0 memTotalReal.0 memAvailReal.0 memTotalFree.0 memShared.0 memBuffer.0 memCached.0', '-OQUs', 'UCD-SNMP-MIB');
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if (is_array($snmpdata[0])) {
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list($memTotalSwap, $memAvailSwap, $memTotalReal, $memAvailReal, $memTotalFree, $memShared, $memBuffer, $memCached) = $snmpdata[0];
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foreach (array_keys($snmpdata[0]) as $key) {
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$$key = $snmpdata[0][$key];
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}
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}
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$snmpdata = $snmpdata[0];
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// Check to see that the OIDs are actually populated before we make the rrd
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if (is_numeric($memTotalReal) && is_numeric($memAvailReal) && is_numeric($memTotalFree)) {
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if (!is_file($mem_rrd)) {
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// Create the rrd file if it doesn't exist
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rrdtool_create($mem_rrd, $mem_rrd_create);
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}
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rrdtool_update($mem_rrd, array($memTotalSwap, $memAvailSwap, $memTotalReal, $memAvailReal, $memTotalFree, $memShared, $memBuffer, $memCached));
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$graphs['ucd_memory'] = true;
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}
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//
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// Poll laLoadInt for load averages on UNIX-like hosts running UCD/Net-SNMPd
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// UCD-SNMP-MIB::laLoadInt.1 = INTEGER: 206
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// UCD-SNMP-MIB::laLoadInt.2 = INTEGER: 429
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// UCD-SNMP-MIB::laLoadInt.3 = INTEGER: 479
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$load_raw = snmp_get_multi($device, 'laLoadInt.1 laLoadInt.2 laLoadInt.3', '-OQUs', 'UCD-SNMP-MIB');
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// Check to see that the 5-min OID is actually populated before we make the rrd
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if (is_numeric($load_raw[2]['laLoadInt'])) {
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if (!is_file($load_rrd)) {
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rrdtool_create($load_rrd, ' --step 300 DS:1min:GAUGE:600:0:5000 DS:5min:GAUGE:600:0:5000 DS:15min:GAUGE:600:0:5000 '.$config['rrd_rra']);
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}
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rrdtool_update($load_rrd, array($load_raw[1]['laLoadInt'], $load_raw[2]['laLoadInt'], $load_raw[3]['laLoadInt']));
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$graphs['ucd_load'] = 'TRUE';
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}
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unset($ss, $load_rrd, $load_raw, $snmpdata);
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unset($memTotalSwap, $memAvailSwap, $memTotalReal, $memAvailReal, $memTotalFree, $memShared, $memBuffer, $memCached);
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unset($key, $mem_rrd, $mem_rrd_create, $collect_oids, $value, $filename, $cpu_rrd, $cpu_rrd_create, $oid);
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