[checkmk-commits] 5012 lvm_lvs: New check vor LVM logical volume pools

Module: check_mk Branch: master Commit: 8d284ab7a20060d3546e2e9565b50267694e5234 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=8d284ab7a20060… Author: Marcel Arentz &lt;ma(a)mathias-kettner.de&gt; Date: Fri Aug 4 17:37:55 2017 +0200 5012 lvm_lvs: New check vor LVM logical volume pools In LVM you can configure thin provisioned logical volume pools. These can be overprovisioned. This checkplugin measures the usage of these pools. Change-Id: I50d509e5c9e606f9ba4fc733089e12c820a6feb8 --- .werks/5012 | 11 +++++ agents/plugins/lvm | 3 ++ checkman/lvm_lvs | 12 ++++++ checks/lvm_lvs | 82 ++++++++++++++++++++++++++++++++++++ web/plugins/wato/check_parameters.py | 33 +++++++++++++++ 5 files changed, 141 insertions(+) diff --git a/.werks/5012 b/.werks/5012 new file mode 100644 index 0000000..f5e07e2 --- /dev/null +++ b/.werks/5012 @@ -0,0 +1,11 @@ +Title: lvm_lvs: New check vor LVM logical volume pools +Level: 1 +Component: checks +Compatible: compat +Edition: cre +Version: 1.5.0i1 +Date: 1501861028 +Class: feature + +In LVM you can configure thin provisioned logical volume pools. These can +be overprovisioned. This checkplugin measures the usage of these pools. diff --git a/agents/plugins/lvm b/agents/plugins/lvm index 6f0b9de..00cd5fe 100755 --- a/agents/plugins/lvm +++ b/agents/plugins/lvm @@ -2,5 +2,8 @@ echo "<<<lvm_vgs>>>" vgs --units b --nosuffix --noheadings --separator ' ' +echo "<<<lvm_lvs:sep(124)>>>" +lvs --units b --nosuffix --noheadings --separator '|' + #echo "<<<lvm_pvs>>>" #pvs --units b --nosuffix --noheadings --separator ' ' diff --git a/checkman/lvm_lvs b/checkman/lvm_lvs new file mode 100644 index 0000000..d844767 --- /dev/null +++ b/checkman/lvm_lvs @@ -0,0 +1,12 @@ +title: LVM: Logical volumes +agents: linux +catalog: os/storage +license: GPL +distribution: check_mk +description: + + This check monitors the usage of LVM logical volumes. + +item: + +inventory: diff --git a/checks/lvm_lvs b/checks/lvm_lvs new file mode 100644 index 0000000..8bae5bd --- /dev/null +++ b/checks/lvm_lvs @@ -0,0 +1,82 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2017 mk(a)mathias-kettner.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# tails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + + +# example output + +factory_settings["lvm_lvs_default_levels"] = { + "levels_data" : (80.0, 90.0), + "levels_meta" : (80.0, 90.0), +} + +def parse_lvm_lvs(info): + parsed = {} + for line in info: + item = "%s/%s" % (line[1], line[4]) + if not line[4] == "" and not item in parsed: + parsed[item] = [] + + for line in info: + item = "%s/%s" % (line[1], line[0]) + if item in parsed: + parsed[item] = {"data" : line[6], "meta" : line[7]} + + return parsed + + +def inventory_lvm_lvs(parsed): + for key, values in parsed.iteritems(): + yield ( key, {} ) + + +def check_lvm_lvs(item, params, parsed): + for key, values in parsed.iteritems(): + if item == key: + for key, value in values.iteritems(): + value = float(value) + warn, crit = params["levels_%s" % key] + if value >= crit: + state = 2 + elif value >= warn: + state = 1 + else: + state = 0 + + key = key[0].upper()+key[1:] + yield 0, "%s usage: %.2f %%" % (key, value) + if state: + yield state, "(warn/crit at %s/%s)" % (warn, crit) + + +check_info['lvm_lvs'] = { + 'parse_function' : parse_lvm_lvs, + 'inventory_function' : inventory_lvm_lvs, + 'check_function' : check_lvm_lvs, + 'service_description' : 'LVM LV Pool %s', + 'has_perfdata' : True, + 'default_levels_variable' : 'lvm_lvs_default_levels', + 'group' : 'lvm_lvs_pools', +} diff --git a/web/plugins/wato/check_parameters.py b/web/plugins/wato/check_parameters.py index 26d3e30..07c4133 100644 --- a/web/plugins/wato/check_parameters.py +++ b/web/plugins/wato/check_parameters.py @@ -4595,6 +4595,39 @@ register_check_parameters( register_check_parameters( subgroup_storage, + "lvm_lvs_pools", + _("Logical Volume Pools (LVM)"), + Dictionary( + elements = [ + ( "levels_meta", Tuple( + title = _("Levels for Meta"), + default_value = (80.0, 90.0), + elements = [ + Percentage(title = _("Warning at"), unit = _("%")), + Percentage(title = _("Critical at"), unit = _("%")) + ] + ), + ), + ( "levels_data", Tuple( + title = _("Levels for Data"), + default_value = (80.0, 90.0), + elements = [ + Percentage(title = _("Warning at"), unit = _("%")), + Percentage(title = _("Critical at"), unit = _("%")) + ] + ), + ), + ] + ), + TextAscii( + title = _("Logical Volume Pool"), + allow_empty = True, + ), + match_type = "dict" +) + +register_check_parameters( + subgroup_storage, "filehandler", _("Filehandler"), Dictionary(