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https://github.com/librenms/librenms.git
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57650e4ffc
Use data_update instead of rrd_update/rrd_create and influx_update Centralize rrd file check so we can check against a remote rrdcached server too Use rrd_name() to generate rrd file names
188 lines
6.3 KiB
PHP
188 lines
6.3 KiB
PHP
<?php
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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 = $ss[0];
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if (is_numeric($ss['ssCpuRawUser']) && is_numeric($ss['ssCpuRawNice']) && is_numeric($ss['ssCpuRawSystem']) && is_numeric($ss['ssCpuRawIdle'])) {
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$rrd_def = array(
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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'
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);
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$fields = array(
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'user' => $ss['ssCpuRawUser'],
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'system' => $ss['ssCpuRawSystem'],
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'nice' => $ss['ssCpuRawNice'],
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'idle' => $ss['ssCpuRawIdle'],
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);
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$tags = compact('rrd_def');
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data_update($device, 'ucd_cpu', $tags, $fields);
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$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[$oid])) {
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$rrd_name = 'ucd_'.$oid;
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$rrd_def = 'DS:value:COUNTER:600:0:U';
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$fields = array(
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'value' => $ss[$oid],
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);
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$tags = compact('oid', 'rrd_name', 'rrd_def');
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data_update($device, 'ucd_cpu', $tags, $fields);
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$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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$snmpdata = snmp_get_multi($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 = $snmpdata[0];
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if (is_numeric($memTotalReal) && is_numeric($memAvailReal) && is_numeric($memTotalFree)) {
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$rrd_def = array(
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'DS:totalswap:GAUGE:600:0:10000000000',
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'DS:availswap:GAUGE:600:0:10000000000',
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'DS:totalreal:GAUGE:600:0:10000000000',
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'DS:availreal:GAUGE:600:0:10000000000',
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'DS:totalfree:GAUGE:600:0:10000000000',
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'DS:shared:GAUGE:600:0:10000000000',
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'DS:buffered:GAUGE:600:0:10000000000',
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'DS:cached:GAUGE:600:0:10000000000'
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);
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$fields = array(
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'totalswap' => $memTotalSwap,
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'availswap' => $memAvailSwap,
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'totalreal' => $memTotalReal,
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'availreal' => $memAvailReal,
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'totalfree' => $memTotalFree,
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'shared' => $memShared,
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'buffered' => $memBuffer,
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'cached' => $memCached,
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);
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$tags = compact('rrd_def');
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data_update($device, 'ucd_mem', $tags, $fields);
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$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($load_raw[2]['laLoadInt'])) {
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$rrd_def = array(
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'DS:1min:GAUGE:600:0:5000',
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'DS:5min:GAUGE:600:0:5000',
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'DS:15min:GAUGE:600:0:5000'
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);
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$fields = array(
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'1min' => $load_raw[1]['laLoadInt'],
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'5min' => $load_raw[2]['laLoadInt'],
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'15min' => $load_raw[3]['laLoadInt'],
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);
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$tags = compact('rrd_def');
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data_update($device,'ucd_load',$tags,$fields);
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$graphs['ucd_load'] = 'TRUE';
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}
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unset($ss, $load_raw, $snmpdata);
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unset($memTotalSwap, $memAvailSwap, $memTotalReal, $memAvailReal, $memTotalFree, $memShared, $memBuffer, $memCached);
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unset($key, $collect_oids, $rrd_name, $rrd_def, $oid);
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