Initial version

plugins/other/passenger_processes

@@ -0,0 +1,41 @@
+#!/usr/bin/env ruby
+#
+# [passenger_processes]
+# user root
+# env.process_stats_command /opt/ruby-enterprise-1.8.6-20080810/bin/passenger-status
+#
+
+process_stats_command = ENV['process_stats_command'] || '/opt/ruby-enterprise-1.8.6-20080810/bin/passenger-status'
+
+if ARGV.length > 0 && ARGV[0] == 'config'
+  puts "graph_title Passenger Processes"
+  puts "graph_vlabel processes"
+  puts "max.label Max processes"
+  puts "count.label Total processes"
+  puts "active.label Active processes"
+  puts "queued.label Queued requests"
+  exit(0)
+end
+
+max = nil
+count = nil
+active = nil
+queued = nil
+
+`#{process_stats_command}`.each_line do |line|
+  if /max\s+=\s+(\d+)/.match(line)
+    max = $~[1]
+  elsif /count\s+=\s+(\d+)/.match(line)
+    count = $~[1]
+  elsif /^active\s+=\s+(\d+)/.match(line)
+    active = $~[1]
+  elsif /Waiting on global queue\s+=\s+(\d+)/.match(line)
+    queued = $~[1]
+  end
+end
+
+puts "max.value #{max}"
+puts "count.value #{count}"
+puts "active.value #{active}"
+puts "queued.value #{queued.to_i}"
+