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Contents
#encoding: utf-8
class Riemann::Babbler::Disk < Riemann::Babbler
require 'sys/filesystem'
include Sys
NOT_MONITORING_FS = %w(sysfs nfs devpts squashfs proc devtmpfs)
def collect
# собираем только необходимые для мониторинга маунт-поинты
# точнее выбираем из mounts только те, у которых fstype не попадает
# в NOT_MONITORING_FS
monit_points = []
File.read('/proc/mounts').split("\n").each do |line|
mtab = line.split(/\s+/)
monit_points << mtab[1] unless NOT_MONITORING_FS.include? mtab[2]
end
disk = Array.new
monit_points.each do |point|
point_stat = Filesystem.stat point
human_point = point == '/' ? '/root' : point
human_point = human_point.gsub(/^\//, '').gsub(/\//, '_')
disk << { :service => plugin.service + " #{human_point} % block", :description => "Disk usage #{point}, %", :metric => (1- point_stat.blocks_available.to_f/point_stat.blocks).round(2) * 100 } unless point_stat.blocks == 0
disk << { :service => plugin.service + " #{human_point} % inode", :description => "Disk usage #{point}, inodes %", :metric => (1 - point_stat.files_available.to_f/point_stat.files).round(2) * 100 } unless point_stat.files == 0
disk << { :service => plugin.service + " #{human_point} abs free", :description => "Disk free #{point}, B", :metric => point_stat.blocks_free * point_stat.block_size, :state => 'ok'}
disk << { :service => plugin.service + " #{human_point} abs total", :description => "Disk space #{point}, B", :metric => point_stat.blocks * point_stat.block_size, :state => 'ok'}
end
disk
end
end
Version data entries
21 entries across 21 versions & 1 rubygems