#!/usr/bin/ruby
-require 'rubygems'
-require 'date'
-gem 'home_run', '>= 0'
-require 'apache_log_regex'
-
-NUM_LINES = 10000
-
-def uris_from_logs
- lines = Array.new
- max_time = nil
- min_time = nil
- parser = ApacheLogRegex.new('%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %x')
- IO.popen("tail -n #{NUM_LINES} /var/log/apache2/access.log").each_line do |line|
- begin
- hash = parser.parse(line)
- uri = hash["%r"]
- t = DateTime.strptime(hash["%t"], "[%d/%b/%Y:%H:%M:%S %z]")
- min_time = [min_time, t].compact.min
- max_time = [max_time, t].compact.max
- lines << uri
- rescue ApacheLogRegex::ParseError => e
- # nil
- end
- end
- [min_time, max_time, lines]
-end
+require "json"
CALL_TYPES = {
:map => "Map API calls",
:trkpts => "GPX trackpoints calls",
:web => "Web site traffic",
:other => "Other API calls"
-}
-
-def categorise_uri(line)
- uri = line.split(" ")[1]
+}.freeze
- 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
- else :web
- end
-end
-
-if ARGV[0] == 'config'
+if ARGV[0] == "config"
puts "graph_title Requests processed"
- puts "graph_vlabel Number of requests per minute"
+ puts "graph_args --base 1000"
+ puts "graph_vlabel Number of requests per ${graph_period}"
puts "graph_category api"
- CALL_TYPES.each { |k, v| puts "#{k}.label #{v}" }
-else
- min_time, max_time, lines = uris_from_logs
- delta_t = (max_time - min_time).to_f * 24 * 60
- counts = lines.
- collect { |x| categorise_uri(x) }.
- inject(Hash.new) do |h, e|
- if h.has_key? e
- h[e] += 1
- else
- h[e] = 1
- end
- h
+ CALL_TYPES.each do |type, label|
+ puts "#{type}.label #{label}"
+ puts "#{type}.type DERIVE"
+ puts "#{type}.min 0"
end
+else
+ statistics = JSON.parse(File.read("/srv/www.openstreetmap.org/rails/tmp/statistics.json"))
CALL_TYPES.keys.each do |type|
- count = counts[type] || 0
- puts "#{type}.value #{count / delta_t}"
+ count = statistics["uri"][type.to_s] || 0
+ puts "#{type}.value #{count}"
end
end