mirror of
https://github.com/munin-monitoring/contrib.git
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Merge branch 'haseharald'
This commit is contained in:
Lars Kruse
commit
209567f80d
2 changed files with 150 additions and 13 deletions
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@ -16,6 +16,20 @@ Must be run as root.
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[btrfs_device_stats]
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user root
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You can optionaly configure the warning and critical limits. By default warning
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is set to 1 and critical is not set at all. You can set the limits either for
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the entire plugin or per individual metric and down to a specific device. The
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more specific values take precedence over the general ones.
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See the following example:
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[btrfs_device_stats]
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user root
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env.warning 2
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env.critical 4
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env.flags_warning 23
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env.read_errs_critical 42
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env.generation_errs_a04f3d6b_438c_4b61_979b_e5fda7fb858c_1_warning 187
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=head2 DEFAULT CONFIGURATION
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=head1 BUGS
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@ -54,6 +68,7 @@ LGPLv3
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import btrfs
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import os
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import sys
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@ -78,28 +93,112 @@ def munin_config(fs):
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devices = fs.devices()
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for this_device in devices:
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# Set defaults
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warning = os.getenv('warning', default="1")
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critical = os.getenv('critical', default=False)
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# Get device informations
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this_dev_info = fs.dev_info(this_device.devid)
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this_dev_name = this_dev_info.path.replace('/dev/', '')
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print("multigraph btrfs_device_stats_" + fsid + "." + str(this_device.devid))
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print("multigraph btrfs_device_stats_" + fsid + "." +
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str(this_device.devid))
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print("graph_args --base 1000 -l 0")
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print("graph_vlabel btrfs attribute value")
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print("graph_title btrfs device stats for " + this_dev_name)
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print("graph_category disk")
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print("graph_info This graph shows stats of devices used by btrfs")
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# Labels and warning/critical values for Corruption Errors
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this_corr_errs_warn = os.getenv('corruption_errs_warning',
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default=warning)
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this_corr_errs_warn = os.getenv('corruption_errs_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_corr_errs_warn)
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this_corr_errs_crit = os.getenv('corruption_errs_critical',
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default=critical)
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this_corr_errs_crit = os.getenv('corruption_errs_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_corr_errs_crit)
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print("corruption_errs.label Corruption Errors")
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print("corruption_errs.warning 1")
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print("corruption_errs.warning " + this_corr_errs_warn)
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if this_corr_errs_crit:
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print("corruption_errs.critical " + this_corr_errs_crit)
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# Labels and warning/critical values for Flush Errors
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this_flush_errs_warn = os.getenv('flush_errs_warning', default=warning)
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this_flush_errs_warn = os.getenv('flush_errs_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_flush_errs_warn)
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this_flush_errs_crit = os.getenv('flush_errs_critical',
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default=critical)
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this_flush_errs_crit = os.getenv('flush_errs_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_flush_errs_crit)
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print("flush_errs.label Flush Errors")
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print("flush_errs.warning 1")
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print("flush_errs.warning " + this_flush_errs_warn)
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if this_flush_errs_crit:
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print("flush_errs.critical " + this_flush_errs_crit)
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# Labels and warning/critical values for Generation Errors
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this_gen_errs_warn = os.getenv('generation_errs_warning',
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default=warning)
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this_gen_errs_warn = os.getenv('generation_errs_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_gen_errs_warn)
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this_gen_errs_crit = os.getenv('generation_errs_critical',
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default=critical)
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this_gen_errs_crit = os.getenv('generation_errs_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_gen_errs_crit)
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print("generation_errs.label Generation Errors")
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print("generation_errs.warning 1")
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print("generation_errs.warning " + this_gen_errs_warn)
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if this_gen_errs_crit:
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print("generation_errs.critical " + this_gen_errs_crit)
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# Labels and warning/critical values for Read Errors
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this_read_errs_warn = os.getenv('read_errs_warning', default=warning)
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this_read_errs_warn = os.getenv('read_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_read_errs_warn)
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this_read_errs_crit = os.getenv('read_errs_critical', default=critical)
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this_read_errs_crit = os.getenv('read_errs_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_read_errs_crit)
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print("read_errs.label Read Errors")
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print("read_errs.warning 1")
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print("read_errs.warning " + this_read_errs_warn)
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if this_read_errs_crit:
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print("read_errs.critical " + this_read_errs_crit)
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# Labels and warning/critical values for Write Errors
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this_write_errs_warn = os.getenv('write_errs_warning', default=warning)
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this_write_errs_warn = os.getenv('write_errs_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_write_errs_warn)
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this_write_errs_crit = os.getenv('write_errs_critical',
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default=critical)
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this_write_errs_crit = os.getenv('write_errs_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_write_errs_crit)
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print("write_errs.label Write Errors")
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print("write_errs.warning 1")
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print("write_errs.warning " + this_write_errs_warn)
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if this_write_errs_crit:
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print("write_errs.critical " + this_write_errs_crit)
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print("nr_items.label Nr. of Items")
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# Labels and warning/critical values for Flags
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this_flags_warn = os.getenv('flags_warning', default=warning)
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this_flags_warn = os.getenv('flags_' + fsid + "_" +
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str(this_device.devid) + '_warning',
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default=this_flags_warn)
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this_flags_crit = os.getenv('flags_critical', default=critical)
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this_flags_crit = os.getenv('flags_' + fsid + "_" +
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str(this_device.devid) + '_critical',
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default=this_flags_crit)
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print("flags.label Nr. of Flags")
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print("flags.warning 1")
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print("flags.warning " + this_flags_warn)
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if this_flags_crit:
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print("flags.critical " + this_flags_crit)
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print("")
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@ -135,7 +234,8 @@ def munin_values(fs):
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nr_items_total = nr_items_total + nr_items
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flags_total = flags_total + flags
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print("multigraph btrfs_device_stats_" + fsid + "." + str(this_device.devid))
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print("multigraph btrfs_device_stats_" + fsid + "." +
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str(this_device.devid))
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print("corruption_errs.value " + str(corruption_errs))
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print("flush_errs.value " + str(flush_errs))
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@ -13,8 +13,22 @@ btrfs_device_usage - Script to monitor usage of btrfs devices
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Simply create a symlink in your plugins directory like with any other plugin.
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Must be run as root.
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[btrfs_device_usage]
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user root
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[btrfs_device_usage]
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user root
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You can optionaly configure the warning and critical limits for byte and
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percentage graphs. By default percent_warning is set to 95 and percent_critical
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is 98. For the byte-graphs there are no default limits set. You can set the
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limits either for the entire graph (byte_ percent_) or per individual filesystem
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using it's UUID (replace minus with underscore). The individual values take
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precedence over the general ones. See the following example:
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btrfs_device_usage]
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user root
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env.byte_warning 400300200100
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env.percent_critical 97
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env.percent_10164f3f_6670_4982_a941_bffb50d27f29_warning 23
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env.byte_10164f3f_6670_4982_a941_bffb50d27f29_critical 5000000000
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=head2 DEFAULT CONFIGURATION
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@ -22,7 +36,7 @@ Must be run as root.
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=head1 AUTHOR
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2019, HaseHarald
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2019-2021, HaseHarald
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=head1 MAGIC MARKERS
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@ -54,12 +68,27 @@ LGPLv3
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import btrfs
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import os
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import sys
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def munin_config(fs):
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fsid = str(fs.fsid).replace('-', '_')
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byte_warning = os.getenv('byte_warning', default=False)
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byte_critical = os.getenv('byte_critical', default=False)
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byte_warning = os.getenv('byte_' + fsid + '_warning',
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default=byte_warning)
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byte_critical = os.getenv('byte_' + fsid + '_critical',
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default=byte_critical)
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percent_warning = os.getenv('percent_warning', default=95)
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percent_critical = os.getenv('percent_critical', default=98)
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percent_warning = os.getenv('percent_' + fsid + '_warning',
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default=percent_warning)
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percent_critical = os.getenv('percent_' + fsid + '_critical',
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default=percent_critical)
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print("multigraph btrfs_device_usage_byte_" + fsid)
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print("graph_title btrfs usage by device in bytes on " + fs.path)
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print("graph_args --base 1024 -l 0")
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@ -74,6 +103,12 @@ def munin_config(fs):
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this_dev_name = this_dev_info.path.replace('/dev/', '')
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print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
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".label " + this_dev_name)
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if byte_warning:
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print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
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".warning " + str(byte_warning))
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if byte_critical:
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print("btrfs_bytes_" + fsid + "_" + str(this_device.devid) +
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".critical " + str(byte_critical))
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print("")
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@ -92,8 +127,10 @@ def munin_config(fs):
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this_dev_name = this_dev_info.path.replace('/dev/', '')
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print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
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".label " + this_dev_name)
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print("btrfs_percent_" + fsid + "_" + str(this_device.devid) + ".warning 95")
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print("btrfs_percent_" + fsid + "_" + str(this_device.devid) + ".critical 98")
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print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
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".warning " + str(percent_warning))
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print("btrfs_percent_" + fsid + "_" + str(this_device.devid) +
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".critical " + str(percent_critical))
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print("")
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