#!/usr/bin/env ruby
+require "English"
+require "rexml/document"
+
+def passenger_status
+ @passenger_status ||= REXML::Document.new(`/usr/sbin/passenger-status --show=xml`)
+end
+
def output_config
- puts <<-END
-graph_category passenger
-graph_title Passenger processes
-graph_order active inactive
-graph_vlabel processes
-graph_total total
-
-active.label busy servers
-active.draw AREA
-inactive.label idle servers
-inactive.draw STACK
-END
+ puts <<~CONFIG
+ graph_args --lower-limit 0
+ graph_category passenger
+ graph_title Passenger processes
+ graph_order active inactive
+ graph_vlabel processes
+ graph_total total
+
+ active.label busy servers
+ active.draw AREA
+ inactive.label idle servers
+ inactive.draw STACK
+ CONFIG
exit 0
end
def output_values
- status = `/usr/sbin/passenger-status`
- unless $CHILD_STATUS.success?
- $stderr.puts "failed executing passenger-status"
- exit 1
+ active = 0
+ inactive = 0
+
+ passenger_status.get_elements("//process").each do |process|
+ if process.text("sessions").to_i.positive?
+ active += 1
+ else
+ inactive += 1
+ end
end
- status =~ /active\s+=\s+(\d+)/
- puts "active.value #{Regexp.last_match[1]}"
- status =~ /inactive\s+=\s+(\d+)/
- puts "inactive.value #{Regexp.last_match[1]}"
+ puts "active.value #{active}"
+ puts "inactive.value #{inactive}"
end
if ARGV[0] == "config"