bin/metrics-nfsstat.rb
#!/usr/bin/env ruby
#
# metrics-nfsstat
#
# DESCRIPTION:
# Simple wrapper around `nfsstat` for getting nfs server/client stats.
#
# OUTPUT:
# metric data
#
# PLATFORMS:
# Linux
#
# DEPENDENCIES:
# gem: sensu-plugin
#
# USAGE:
#
# NOTES:
#
# LICENSE:
# Copyright 2016 Mitsutoshi Aoe
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details.
#
require 'socket'
require 'sensu-plugin/metric/cli'
class NfsstatMetrics < Sensu::Plugin::Metric::CLI::Graphite
option :scheme,
description: 'Metric naming scheme, text to prepend to metric',
short: '-s SCHEME',
long: '--scheme SCHEME',
default: "#{Socket.gethostname}.nfsstat"
def run
begin
output = `/usr/sbin/nfsstat -l`
rescue Errno::ENOENT => err
unknown err
end
output.each_line do |line|
next unless /^nfs\s+(.+):\s+(\d+)/ =~ line
key = Regexp.last_match[1].split.join('.')
val = Regexp.last_match[2].to_i
output "#{config[:scheme]}.#{key}", val
end
ok
end
end