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docs/node-mixin: add fsMointpointSelector to alerts and dashboards (#2446) 

* docs/node-mixin: add fsMountpointSelector

This adds the option to add a `mountpoint` selector to filesystem
related alerts. The default is `mountpoint!=""`.

* docs/node-mixins: add fsMountpointSelector to dashboards

Signed-off-by: Jan Fajerski <jfajersk@redhat.com>
pull/2393/head
Jan Fajerski 2 years ago committed by GitHub
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4 changed files with 35 additions and 27 deletions
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  1. 40
      docs/node-mixin/alerts/alerts.libsonnet
  2. 8
      docs/node-mixin/config.libsonnet
  3. 10
      docs/node-mixin/dashboards/use.libsonnet
  4. 4
      docs/node-mixin/lib/prom-mixin.libsonnet

40
docs/node-mixin/alerts/alerts.libsonnet
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@ -8,11 +8,11 @@
alert: 'NodeFilesystemSpaceFillingUp',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceFillingUpWarningThreshold)d
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < %(fsSpaceFillingUpWarningThreshold)d
and
predict_linear(node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s}[6h], 24*60*60) < 0
predict_linear(node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s}[6h], 24*60*60) < 0
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',
@ -28,11 +28,11 @@
alert: 'NodeFilesystemSpaceFillingUp',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceFillingUpCriticalThreshold)d
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < %(fsSpaceFillingUpCriticalThreshold)d
and
predict_linear(node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s}[6h], 4*60*60) < 0
predict_linear(node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s}[6h], 4*60*60) < 0
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',
@ -48,9 +48,9 @@
alert: 'NodeFilesystemAlmostOutOfSpace',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceAvailableWarningThreshold)d
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < %(fsSpaceAvailableWarningThreshold)d
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '30m',
@ -66,9 +66,9 @@
alert: 'NodeFilesystemAlmostOutOfSpace',
expr: |||
(
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < %(fsSpaceAvailableCriticalThreshold)d
node_filesystem_avail_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_size_bytes{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < %(fsSpaceAvailableCriticalThreshold)d
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '30m',
@ -84,11 +84,11 @@
alert: 'NodeFilesystemFilesFillingUp',
expr: |||
(
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 40
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < 40
and
predict_linear(node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s}[6h], 24*60*60) < 0
predict_linear(node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s}[6h], 24*60*60) < 0
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',
@ -104,11 +104,11 @@
alert: 'NodeFilesystemFilesFillingUp',
expr: |||
(
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 20
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < 20
and
predict_linear(node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s}[6h], 4*60*60) < 0
predict_linear(node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s}[6h], 4*60*60) < 0
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',
@ -124,9 +124,9 @@
alert: 'NodeFilesystemAlmostOutOfFiles',
expr: |||
(
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 5
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < 5
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',
@ -142,9 +142,9 @@
alert: 'NodeFilesystemAlmostOutOfFiles',
expr: |||
(
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s} * 100 < 3
node_filesystem_files_free{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} / node_filesystem_files{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} * 100 < 3
and
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s} == 0
node_filesystem_readonly{%(nodeExporterSelector)s,%(fsSelector)s,%(fsMountpointSelector)s} == 0
)
||| % $._config,
'for': '1h',

8
docs/node-mixin/config.libsonnet
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@ -16,6 +16,14 @@
// alerting, you can exclude them here, e.g. 'fstype!="tmpfs"'.
fsSelector: 'fstype!=""',
// Select the mountpoint for filesystem-related queries. If left
// empty, all mountpoints are selected. For example if you have a
// special purpose tmpfs instance that has a fixed size and will
// always be 100% full, but you still want alerts and dashboards for
// other tmpfs instances, you can exclude those by mountpoint prefix
// like so: 'mountpoint!~"/var/lib/foo.*"'.
fsMountpointSelector: 'mountpoint!=""',
// Select the device for disk-related queries. If left empty, all
// devices are selected. If you have unusual devices you don't
// want to include in dashboards and alerting, you can exclude

10
docs/node-mixin/dashboards/use.libsonnet
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@ -307,12 +307,12 @@ local diskSpaceUtilisation =
|||
sum without (device) (
max without (fstype, mountpoint) ((
node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(clusterLabel)s="$cluster"}
node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s, %(clusterLabel)s="$cluster"}
-
node_filesystem_avail_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(clusterLabel)s="$cluster"}
node_filesystem_avail_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s, %(clusterLabel)s="$cluster"}
) != 0)
)
/ scalar(sum(max without (fstype, mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(clusterLabel)s="$cluster"})))
/ scalar(sum(max without (fstype, mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s, %(clusterLabel)s="$cluster"})))
||| % $._config, legendFormat='{{instance}}'
))
)
@ -453,10 +453,10 @@ local diskSpaceUtilisation =
sum (
sum without (device) (
max without (fstype, mountpoint, instance, pod) ((
node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s} - node_filesystem_avail_bytes{%(nodeExporterSelector)s, %(fsSelector)s}
node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s) - node_filesystem_avail_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s}
) != 0)
)
/ scalar(sum(max without (fstype, mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s})))
/ scalar(sum(max without (fstype, mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, %(fsSelector)s, %(fsMountpointSelector)s})))
) by (%(clusterLabel)s)
||| % $._config, legendFormat='{{%(clusterLabel)s}}' % $._config
))

4
docs/node-mixin/lib/prom-mixin.libsonnet
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@ -232,7 +232,7 @@ local table = grafana70.panel.table;
.addThresholdStep(color='red', value=0.9)
.addTarget(prometheus.target(
|||
max by (mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, instance="$instance", %(fsSelector)s})
max by (mountpoint) (node_filesystem_size_bytes{%(nodeExporterSelector)s, instance="$instance", %(fsSelector)s, %(fsMountpointSelector)s})
||| % config,
legendFormat='',
instant=true,
@ -240,7 +240,7 @@ local table = grafana70.panel.table;
))
.addTarget(prometheus.target(
|||
max by (mountpoint) (node_filesystem_avail_bytes{%(nodeExporterSelector)s, instance="$instance", %(fsSelector)s})
max by (mountpoint) (node_filesystem_avail_bytes{%(nodeExporterSelector)s, instance="$instance", %(fsSelector)s, %(fsMountpointSelector)s})
||| % config,
legendFormat='',
instant=true,

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