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Configure 2 thresholds for NodeFilesystemAlmostOutOfSpace alert (#1835) 

* Add: configure 2 thresholds for NodeFilesystemAlmostOutOfSpace alert

Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com>
This commit is contained in:
Nicolas Lamirault 2020-09-18 11:28:32 +02:00 committed by GitHub
parent d8a1585f59
commit ff2ff3410f
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2 changed files with 9 additions and 4 deletions
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8
docs/node-mixin/alerts/alerts.libsonnet
View File

@ -48,7 +48,7 @@
alert: 'NodeFilesystemAlmostOutOfSpace',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 5
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceAvailableCriticalThreshold)d
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
)
@ -58,7 +58,7 @@
severity: 'warning',
},
annotations: {
summary: 'Filesystem has less than 5% space left.',
summary: 'Filesystem has less than %(fsSpaceAvailableCriticalThreshold)d%% space left.' % $._config,
description: 'Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.',
},
},
@ -66,7 +66,7 @@
alert: 'NodeFilesystemAlmostOutOfSpace',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 3
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceAvailableWarningThreshold)d
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
)
@ -76,7 +76,7 @@
severity: '%(nodeCriticalSeverity)s' % $._config,
},
annotations: {
summary: 'Filesystem has less than 3% space left.',
summary: 'Filesystem has less than %(fsSpaceAvailableWarningThreshold)d%% space left.' % $._config,
description: 'Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.',
},
},

5
docs/node-mixin/config.libsonnet
View File

@ -47,6 +47,11 @@
fsSpaceFillingUpWarningThreshold: 40,
fsSpaceFillingUpCriticalThreshold: 20,
// Available disk space (%) thresholds on which to trigger the
// 'NodeFilesystemAlmostOutOfSpace' alerts.
fsSpaceAvailableCriticalThreshold: 5,
fsSpaceAvailableWarningThreshold: 3,
grafana_prefix: '',
},
}