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Detection, sensors and zpool/dataset usage for FreeNAS, TrueNAS (#11474)

Browse Source 
It's also possible to do zpool IO from the MIB, but diskIO on
LibreNMS makes a lot of assumptions about it coming from the UCD
MIB.

This changeset adds detection for FreeNAS and TrueNAS - despite
having their own enterprise number, the snmpd uses the FreeBSD
one.

The naming is a bit all over the place, because this reflects
reality - IXSystems produce FreeNAS and TrueNAS, the product lines
have merged to eliminate FreeNAS, but TrueNAS still calls itself
FreeNAS everywhere except the GUI.
This commit is contained in:
Adam Bishop
2020-04-27 16:23:44 +01:00
committed by GitHub
parent 9c906a30d8
commit 83dd1f0a16
11 changed files with 7207 additions and 1 deletions
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128
includes/definitions/discovery/truenas.yaml Normal file
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@@ -0,0 +1,128 @@
mib: FREENAS-MIB
modules:
sensors:
count:
data:
-
oid: zfsArcSize
value: zfsArcSize
num_oid: .1.3.6.1.4.1.50536.1.4.1.{{ $index }}
descr: 'ARC Size'
index: zfsArcSize.{{ $index }}
-
oid: zfsArcMeta
value: zfsArcMeta
num_oid: .1.3.6.1.4.1.50536.1.4.2.{{ $index }}
descr: 'ARC Metadata'
index: zfsArcMeta.{{ $index }}
-
oid: zfsArcData
value: zfsArcData
num_oid: .1.3.6.1.4.1.50536.1.4.3.{{ $index }}
descr: 'ARC Data'
index: zfsArcData.{{ $index }}
-
oid: zfsArcHits
value: zfsArcHits
num_oid: .1.3.6.1.4.1.50536.1.4.4.{{ $index }}
descr: 'ARC Hits'
index: zfsArcHits.{{ $index }}
-
oid: zfsArcMisses
value: zfsArcMisses
num_oid: .1.3.6.1.4.1.50536.1.4.5.{{ $index }}
descr: 'ARC Misses'
index: zfsArcMisses.{{ $index }}
-
oid: zfsArcC
value: zfsArcC
num_oid: .1.3.6.1.4.1.50536.1.4.6.{{ $index }}
descr: 'ARC C'
index: zfsArcC.{{ $index }}
-
oid: zfsArcP
value: zfsArcP
num_oid: .1.3.6.1.4.1.50536.1.4.7.{{ $index }}
descr: 'ARC P'
index: zfsArcP.{{ $index }}
-
oid: zfsArcMissPercent
value: zfsArcMissPercent
num_oid: .1.3.6.1.4.1.50536.1.4.8.{{ $index }}
descr: 'ARC Miss Percent'
index: zfsArcMissPercent.{{ $index }}
-
oid: zfsArcHitRatio
value: zfsArcHitRatio
num_oid: .1.3.6.1.4.1.50536.1.4.9.{{ $index }}
descr: 'ARC Hit Ratio'
index: zfsArcHitRatio.{{ $index }}
-
oid: zfsArcMissRatio
value: zfsArcMissRatio
num_oid: .1.3.6.1.4.1.50536.1.4.10.{{ $index }}
descr: 'ARC Miss Ratio'
index: zfsArcMissRatio.{{ $index }}
-
oid: zfsL2ArcHits
value: zfsL2ArcHits
num_oid: .1.3.6.1.4.1.50536.1.5.1.{{ $index }}
descr: 'L2ARC Hits'
index: zfsL2ArcHits.{{ $index }}
-
oid: zfsL2ArcMisses
value: zfsL2ArcMisses
num_oid: .1.3.6.1.4.1.50536.1.5.2.{{ $index }}
descr: 'L2ARC Misses'
index: zfsL2ArcMisses.{{ $index }}
-
oid: zfsL2ArcRead
value: zfsL2ArcRead
num_oid: .1.3.6.1.4.1.50536.1.5.3.{{ $index }}
descr: 'L2ARC Reads'
index: zfsL2ArcRead.{{ $index }}
-
oid: zfsL2ArcWrite
value: zfsL2ArcWrite
num_oid: .1.3.6.1.4.1.50536.1.5.4.{{ $index }}
descr: 'L2ARC Writes'
index: zfsL2ArcWrite.{{ $index }}
-
oid: zfsL2ArcSize
value: zfsL2ArcSize
num_oid: .1.3.6.1.4.1.50536.1.5.5.{{ $index }}
descr: 'L2ARC Size'
index: zfsL2ArcSize.{{ $index }}
-
oid: zfsZilstatOps1sec
value: zfsZilstatOps1sec
num_oid: .1.3.6.1.4.1.50536.1.6.1.{{ $index }}
descr: 'ZIL Operations last second'
index: zfsZilstatOps1sec.{{ $index }}
-
oid: zfsZilstatOps5sec
value: zfsZilstatOps5sec
num_oid: .1.3.6.1.4.1.50536.1.6.2.{{ $index }}
descr: 'ZIL Operations last 5 seconds'
index: zfsZilstatOps5sec.{{ $index }}
-
oid: zfsZilstatOps10sec
value: zfsZilstatOps10sec
num_oid: .1.3.6.1.4.1.50536.1.6.3.{{ $index }}
descr: 'ZIL Operations last 10 seconds'
index: zfsZilstatOps10sec.{{ $index }}
state:
data:
-
oid: zpoolTable
value: zpoolHealth
num_oid: .1.3.6.1.4.1.50536.1.1.1.1.7.{{ $index }}
descr: 'ZPool: {{ $zpoolDescr }}'
index: zpoolHealth.{{ $index }}
states:
- { value: 0, descr: online, graph: 1, generic: 0 }
- { value: 1, descr: degraded, graph: 1, generic: 1 }
- { value: 2, descr: faulted, graph: 1, generic: 2 }
- { value: 3, descr: offline, graph: 1, generic: 2 }
- { value: 4, descr: unavail, graph: 1, generic: 2 }
- { value: 5, descr: removed, graph: 1, generic: 2 }

6
includes/definitions/freebsd.yaml
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@@ -9,4 +9,8 @@ over:
discovery_modules:
applications: true
discovery:
- sysDescr: FreeBSD
-
sysDescr: FreeBSD
sysDescr_except:
- FreeNAS
- TrueNAS

29
includes/definitions/truenas.yaml Normal file
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@@ -0,0 +1,29 @@
os: truenas
type: storage
text: TrueNAS
processor_stacked: true
mib_dir:
- ixsystems
over:
- { graph: device_processor, text: 'Processor Usage' }
- { graph: device_ucd_memory, text: 'Memory Usage' }
- { graph: device_storage, text: 'Storage Usage' }
poller_modules:
applications: false
bgp-peers: false
mpls: false
ospf: false
stp: false
wireless: false
discovery_modules:
applications: false
bgp-peers: false
mpls: false
stp: false
wireless: false
discovery:
-
sysObjectID: .1.3.6.1.4.1.8072.3.2.8
sysDescr:
- FreeNAS
- TrueNAS

21
includes/discovery/storage/freenas-dataset.inc.php Normal file
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@@ -0,0 +1,21 @@
<?php
$datasetTable_array = snmpwalk_cache_oid($device, 'datasetTable', null, 'FREENAS-MIB');
$sql = "SELECT `storage_descr` FROM `storage` WHERE `device_id` = '".$device['device_id']."' AND `storage_type` != 'dataset'";
$tmp_storage = dbFetchColumn($sql);
if (is_array($datasetTable_array)) {
foreach ($datasetTable_array as $index => $dataset) {
if (isset($dataset['datasetDescr'])) {
if (!in_array($dataset['datasetDescr'], $tmp_storage)) {
$dataset['datasetIndex'] = $index;
$dataset['datasetTotal'] = $dataset['datasetSize'] * $dataset['datasetAllocationUnits'];
$dataset['datasetAvail'] = ($dataset['datasetAvailable'] * $dataset['datasetAllocationUnits']);
$dataset['datasetUsed'] = $dataset['datasetTotal'] - $dataset['datasetAvail'];
discover_storage($valid_storage, $device, $dataset['datasetIndex'], 'dataset', 'freenas-dataset', $dataset['datasetDescr'], $dataset['datasetTotal'], $dataset['datasetAllocationUnits'], $dataset['datasetUsed']);
}
}
}
}

21
includes/discovery/storage/freenas-zpool.inc.php Normal file
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@@ -0,0 +1,21 @@
<?php
$zpooltable_array = snmpwalk_cache_oid($device, 'zpoolTable', null, 'FREENAS-MIB');
$sql = "SELECT `storage_descr` FROM `storage` WHERE `device_id` = '".$device['device_id']."' AND `storage_type` != 'zpool'";
$tmp_storage = dbFetchColumn($sql);
if (is_array($zpooltable_array)) {
foreach ($zpooltable_array as $index => $zpool) {
if (isset($zpool['zpoolDescr'])) {
if (!in_array($zpool['zpoolDescr'], $tmp_storage)) {
$zpool['zpoolIndex'] = $index;
$zpool['zpoolTotal'] = $zpool['zpoolSize'] * $zpool['zpoolAllocationUnits'];
$zpool['zpoolAvail'] = ($zpool['zpoolAvailable'] * $zpool['zpoolAllocationUnits']);
$zpool['zpoolUsed'] = $zpool['zpoolTotal'] - $zpool['zpoolAvail'];
discover_storage($valid_storage, $device, $zpool['zpoolIndex'], 'zpool', 'freenas-zpool', $zpool['zpoolDescr'], $zpool['zpoolTotal'], $zpool['zpoolAllocationUnits'], $zpool['zpoolUsed']);
}
}
}
}

13
includes/polling/storage/freenas-dataset.inc.php Normal file
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@@ -0,0 +1,13 @@
<?php
if (!is_array($storage_cache['dataset'])) {
$storage_cache['dataset'] = snmpwalk_cache_oid($device, 'datasetTable', null, 'FREENAS-MIB');
d_echo($storage_cache);
}
foreach ($storage_cache['dataset'] as $index => $entry) {
$storage['units'] = $entry['datasetAllocationUnits'];
$storage['size'] = ($entry['datasetSize'] * $storage['units']);
$storage['free'] = ($entry['datasetAvailable'] * $storage['units']);
$storage['used'] = ($storage['size'] - $storage['free']);
}

13
includes/polling/storage/freenas-zpool.inc.php Normal file
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@@ -0,0 +1,13 @@
<?php
if (!is_array($storage_cache['zpool'])) {
$storage_cache['zpool'] = snmpwalk_cache_oid($device, 'zpoolTable', null, 'FREENAS-MIB');
d_echo($storage_cache);
}
foreach ($storage_cache['zpool'] as $index => $entry) {
$storage['units'] = $entry['zpoolAllocationUnits'];
$storage['size'] = ($entry['zpoolSize'] * $storage['units']);
$storage['free'] = ($entry['zpoolAvailable'] * $storage['units']);
$storage['used'] = ($storage['size'] - $storage['free']);
}