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Merge pull request #400 from dotdoom/master-netstat_s_-arp-in_out

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netstat_s_: merge ARP in/out into one
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Steve Schnepp 2013-11-14 06:30:31 -08:00
commit ac138f05f5
1 changed files with 59 additions and 27 deletions
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86
plugins/network/netstat_s_/netstat_s_
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@ -1,6 +1,6 @@
#!/usr/bin/env ruby
# netstat_s revision 5 (Aug 2013)
# netstat_s revision 6 (Nov 2013)
#
# This plugin shows various statistics from 'netstat -s'
#
@ -9,7 +9,7 @@
# OS:
# Supposed: BSD, Linux (only a few items, see netstat_multi for more)
# Tested: FreeBSD: 8.2, 8.3, 9.1
# Linux : Debian 6 (kernel 2.6.32), Arch (kernel 3.8.3), CentOS 6
# Linux : Debian 6 (kernel 2.6.32), Arch (kernel 3.11.6), CentOS 6
#
# Author: Artem Sheremet <dot.doom@gmail.com>
#
@ -53,34 +53,65 @@ class Graph
# Hash key is unit, and the value is array of labels
multigraphs = {}
@parse_expr.each { |expr, descr|
next unless descr # no label - skip this entry
descr.each { |entry|
labels_array = (multigraphs[entry[0]] ||= [])
labels_array.push entry[1]
labels_array.push [entry[1], entry[2]]
}
}
multigraphs.each_pair { |unit, labels|
multigraphs.each_pair { |unit, labels_and_negatives|
# now just add options to the config
config_options += [
config_options.concat [
"multigraph #{name(unit)}",
"graph_title Netstat: #{@protocol}: #{@name}#{" (#{unit})" if multigraphs.size > 1}",
"graph_category netstat",
"graph_vlabel per second",
"graph_order #{labels.map(&:escape).join(' ')}"
"graph_order #{labels_and_negatives.map { |label, _negative| label.escape }.join(' ')}"
]
config_options.push "graph_args --base 1024" if unit == :bytes
has_negatives = false
labels.each { |label|
labels_and_negatives.each { |label, negative|
label_esc = label.escape
config_options += [
"#{label_esc}.type DERIVE",
"#{label_esc}.min 0",
"#{label_esc}.draw LINE",
"#{label_esc}.label #{label}"
]
has_negatives = true unless negative == nil
if negative == true
# the value has no opposite and is negative
config_options.concat [
"#{label_esc}.graph no",
"#{label_esc}_neg.type DERIVE",
"#{label_esc}_neg.min 0",
"#{label_esc}_neg.draw LINE",
"#{label_esc}_neg.label #{label}",
"#{label_esc}_neg.negative #{label_esc}"
]
else
config_options.concat [
"#{label_esc}.type DERIVE",
"#{label_esc}.min 0",
"#{label_esc}.draw LINE",
"#{label_esc}.label #{label}"
]
end
if negative == false
# the value has no opposite and is positive
config_options.concat [
"#{label_esc}_neg.graph off",
"#{label_esc}.negative #{label_esc}_neg"
]
elsif negative
negative_esc = negative.escape
config_options.concat [
"#{label_esc}.negative #{negative_esc}",
"#{negative_esc}.graph no"
]
end
}
config_options.push "graph_vlabel per second#{" in (-) / out (+)" if has_negatives}"
}
config_options
@ -93,6 +124,7 @@ class Graph
# Hash key is unit, and the value is a hash of 'escaped label' => 'value'
multigraphs = {}
@parse_expr.each { |expr, descr|
next unless descr # no label - skip this entry
index = data.index { |line| line =~ expr }
if index
data.delete_at index
@ -127,9 +159,11 @@ def graphs_for(protocol)
Graph.new('sent', protocol, [
# Description of the elements of arrays below:
# 0: regexp to parse the line
# 1: Array<Array[2]> for each matching group in the regular expression.
# The first element for a group is unit name, the second is the label.
# It could be reasonable to add third etc as warning and critical values.
# 1: Array<Array[3]> for each matching group in the regular expression.
# 0: unit name
# 1: label
# 2 (optional): negative label
# It could be reasonable to add more elements as warning and critical values.
[ /(\d+) segments send out$/, [ [ :segments, 'total' ] ] ],
[ /(\d+) segments retransmited$/, [ [ :segments, 'retransmitted' ] ] ]
@ -316,16 +350,14 @@ def graphs_for(protocol)
]
when 'arp'
$os == :linux ? [] : [
Graph.new('sent', protocol, [
[ /(\d+) ARP requests? sent$/, [ [ :packets, 'requests' ] ] ],
[ /(\d+) ARP repl(?:y|ies) sent$/, [ [ :packets, 'replies' ] ] ]
]),
Graph.new('received', protocol, [
[ /(\d+) ARP packets? received$/, [ [ :packets, 'total' ] ] ],
[ /(\d+) ARP requests? received$/, [ [ :packets, 'requests' ] ] ],
[ /(\d+) ARP repl(?:y|ies) received$/, [ [ :packets, 'replies' ] ] ],
[ /(\d+) total packets dropped due to no ARP entry$/, [ [ :packets, 'dropped: no entry' ] ] ]
Graph.new('packets', protocol, [
# This is just a total, so ignore the value but keep regexp to avoid 'not parsed' warning.
[ /(\d+) ARP packets? received$/ ],
[ /(\d+) ARP requests? received$/, [ [ :packets, 'requests received' ] ] ],
[ /(\d+) ARP repl(?:y|ies) received$/, [ [ :packets, 'replies received' ] ] ],
[ /(\d+) ARP requests? sent$/, [ [ :packets, 'requests', 'requests received' ] ] ],
[ /(\d+) ARP repl(?:y|ies) sent$/, [ [ :packets, 'replies', 'replies received' ] ] ],
[ /(\d+) total packets? dropped due to no ARP entry$/, [ [ :packets, 'no entry' ] ] ]
]),
Graph.new('entries', protocol, [