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Contents
#! /usr/bin/env ruby
#
# check-fstab-mounts
#
# DESCRIPTION:
# Check /etc/mtab to ensure all filesystems of the requested type(s) from
# fstab are currently mounted. If no fstypes are specified, will check all
# entries in fstab.
#
# OUTPUT:
# plain text
#
# PLATFORMS:
# Linux
#
# DEPENDENCIES:
# gem: sensu-plugin
# gem: pathname
#
# USAGE:
#
# NOTES:
#
# LICENSE:
# Peter Fern <ruby@0xc0dedbad.com>
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details.
#
require 'sensu-plugin/check/cli'
require 'pathname'
#
# Check Fstab Mounts
#
class CheckFstabMounts < Sensu::Plugin::Check::CLI
option :fstypes,
description: 'Filesystem types to check, comma-separated',
short: '-t TYPES',
long: '--types TYPES',
proc: proc { |a| a.split(',') },
required: false
# Setup variables
#
def initialize
super
@fstab = IO.readlines '/etc/fstab'
@mtab = IO.readlines '/etc/mtab'
@swap_mounts = IO.readlines '/proc/swaps'
@missing_mounts = []
end
# Check by mount destination (col 2 in fstab and proc/mounts)
#
def check_mounts
@fstab.each do |line|
next if line =~ /^\s*#/
next if line =~ /^\s*$/
fields = line.split(/\s+/)
next if fields[1] == 'none' || (fields[3].include? 'noauto')
next if config[:fstypes] && !config[:fstypes].include?(fields[2])
if fields[2] != 'swap'
@missing_mounts << fields[1] if @mtab.select { |m| m.split(/\s+/)[1] == fields[1] }.empty?
else
@missing_mounts << fields[1] if @swap_mounts.select { |m| m.split(/\s+/)[0] == Pathname.new(fields[0]).realpath.to_s }.empty?
end
end
end
# Main function
#
def run
check_mounts
if @missing_mounts.any?
critical "Mountpoint(s) #{@missing_mounts.join(',')} not mounted!"
else
ok 'All mountpoints accounted for'
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems