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[btrfs_device_usage] Allow for configuring optional limits for warning and critical.

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These are configurable as a global and individual value.
This commit is contained in:
HaseHarald 2021-04-11 21:50:30 +02:00 • committed by Lars Kruse
parent 17298912b4
commit 68190a6d1c
1 changed files with 23 additions and 4 deletions
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27
plugins/disk/btrfs_device_usage
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@ -13,8 +13,8 @@ btrfs_device_usage - Script to monitor usage of btrfs devices
Simply create a symlink in your plugins directory like with any other plugin.
Must be run as root.
[btrfs_device_usage]
user root
[btrfs_device_usage]
user root
=head2 DEFAULT CONFIGURATION
@ -54,12 +54,23 @@ LGPLv3
import btrfs
import os
import sys
def munin_config(fs):
fsid = str(fs.fsid).replace('-', '_')
byte_warning = os.getenv('byte_warning', default = False)
byte_critical = os.getenv('byte_critical', default = False)
byte_warning = os.getenv('byte_' + fsid + '_warning', default = byte_warning)
byte_critical = os.getenv('byte_' + fsid + '_critical', default = byte_critical)
percent_warning = os.getenv('percent_warning', default = 95)
percent_critical = os.getenv('percent_critical', default = 98)
percent_warning = os.getenv('percent_' + fsid + '_warning', default = percent_warning)
percent_critical = os.getenv('percent_' + fsid + '_critical', default = percent_critical)
print("multigraph btrfs_device_usage_byte_" + fsid)
print("graph_title btrfs usage by device in bytes on " + fs.path)
print("graph_args --base 1024 -l 0")
@ -74,6 +85,12 @@ def munin_config(fs):
this_dev_name = this_dev_info.path.replace('/dev/', '')
print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
".label " + this_dev_name)
if byte_warning != False:
print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
".warning " + str(byte_warning))
if byte_critical != False:
print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
".critical " + str(byte_critical))
print("")
@ -92,8 +109,10 @@ def munin_config(fs):
this_dev_name = this_dev_info.path.replace('/dev/', '')
print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
".label " + this_dev_name)
print("btrfs_percent_" + fsid + "_" + str(this_device.devid) + ".warning 95")
print("btrfs_percent_" + fsid + "_" + str(this_device.devid) + ".critical 98")
print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
".warning " + str(percent_warning))
print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
".critical " + str(percent_critical))
print("")