metrics-numastat.rb
1.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
#!/usr/bin/env ruby
#
# metrics-numastat
#
# DESCRIPTION:
# Simple wrapper around `numastat` for getting per-NUMA-node memory 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 NumastatMetrics < 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}.numastat"
def run
begin
output = `/usr/bin/numastat`
rescue Errno::ENOENT => err
unknown err
end
nodes = []
output.each_line do |line|
nodes = line.split(' ') if nodes.empty?
next unless /^([^\s]+)\s+(.+)$/ =~ line
key = Regexp.last_match[1]
vals = Regexp.last_match[2]
next if key.nil? || vals.nil?
nodes.zip(vals.split(' ')).each do |node, val|
output "#{config[:scheme]}.#{node}.#{key}", val
end
end
ok
end
end