#!/usr/bin/ruby
-require 'rubygems'
-require 'date'
-require 'hpricot'
-require 'open-uri'
+require "rubygems"
+require "date"
+require "hpricot"
+require "open-uri"
-def uris_from_status(server)
+def uris_from_status(server)
file = open("http://#{server}/server-status").read
doc = Hpricot.parse(file)
- tables = doc / 'table'
- rows = (tables[0] / 'tr')[1..-1]
- data = rows.collect {|r| (r / 'td').collect {|x| x.inner_html} }
+ tables = doc / "table"
+ rows = (tables[1] / "tr")[1..-1]
+ data = rows.collect { |r| (r / "td").collect(&:inner_html) }
# filter where the PID is numeric, status is 'W' and host matches the server
- matching_data = data.select {|r| (r[1].to_i > 0) && r[3].match(/W/) && r[11].match(server)}
+ matching_data = data.select { |r| r[1].to_i > 0 && r[3].match(/W/) && r[11].match(server) }
# return only the URI part
- matching_data.collect {|r| r[12]}
+ matching_data.collect { |r| r[12] }
end
CALL_TYPES = {
- :map => "Map API calls",
- :upload => "Changeset diff uploads",
- :amf => "AMF API calls",
- :history => "Element history fetches",
+ :map => "Map API calls",
+ :upload => "Changeset diff uploads",
+ :amf => "AMF API calls",
+ :history => "Element history fetches",
:full => "Full element fetches",
:trkpts => "GPX trackpoints calls",
- :web => "Web site traffic",
+ :web => "Web site traffic",
:other => "Other API calls"
}
def categorise_uri(line)
uri = line.split(" ")[1]
-
+
case uri
- when /api\/0\.6\/map/ then :map
- when /api\/0\.6\/changeset\/[0-9]*\/upload/ then :upload
- when /api\/0\.6\/amf/ then :amf
- when /api\/0\.6\/(node|way|relation)\/[0-9]*\/history/ then :history
- when /api\/0\.6\/(node|way|relation)\/[0-9]*\/full/ then :full
- when /api\/0\.6\/trackpoints/ then :trkpts
- when /api\/0\.6\// then :other
+ when %r{api/0\.6/map} then :map
+ when %r{api/0\.6/changeset/[0-9]*/upload} then :upload
+ when %r{api/0\.6/amf} then :amf
+ when %r{api/0\.6/(node|way|relation)/[0-9]*/history} then :history
+ when %r{api/0\.6/(node|way|relation)/[0-9]*/full} then :full
+ when %r{api/0\.6/trackpoints} then :trkpts
+ when %r{api/0\.6/} then :other
else :web
end
end
-server = $0.match("api_calls_(.*)")[1]
+server = $PROGRAM_NAME.match("api_calls_(.*)")[1]
-if ARGV[0] == 'config'
+if ARGV[0] == "config"
puts "graph_title Active requests"
puts "graph_vlabel Number of requests"
puts "graph_category api"
CALL_TYPES.each { |k, v| puts "#{k}.label #{v}" }
else
- counts = uris_from_status(server).
- collect {|x| categorise_uri(x)}.
- inject(Hash.new) do |h, e|
- if h.has_key? e
+ counts = uris_from_status(server)
+ .collect { |x| categorise_uri(x) }
+ .each_with_object({}) do |e, h|
+ if h.key? e
h[e] += 1
else
h[e] = 1
end
- h
end
-
+
CALL_TYPES.keys.each do |type|
count = counts[type] || 0
puts "#{type}.value #{count}"