Created
June 18, 2012 13:16
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Munin Phusion Passenger Plugins
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#!/usr/bin/env ruby | |
# put in /etc/munin/plugins and restart munin-node | |
# by Dan Manges, http://www.dcmanges.com/blog/rails-application-visualization-with-munin | |
# NOTE: you might need to add munin to allow passwordless sudo for passenger-memory-stats | |
def output_config | |
puts <<-END | |
graph_category App | |
graph_title Passenger memory stats | |
graph_vlabel count | |
memory.label memory | |
END | |
exit 0 | |
end | |
def output_values | |
status = `/home/deploy/.rvm/bin/rvmsudo passenger-memory-stats | tail -1` | |
unless $?.success? | |
$stderr.puts "failed executing passenger-memory-stats" | |
exit 1 | |
end | |
status =~ /(\d+\.\d+)/ | |
puts "memory.value #{$1}" | |
end | |
if ARGV[0] == "config" | |
output_config | |
else | |
output_values | |
end |
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#!/usr/bin/env ruby | |
def output_config | |
puts <<-END | |
graph_category App | |
graph_title passenger status | |
graph_vlabel count | |
sessions.label sessions | |
max.label max processes | |
running.label running processes | |
active.label active processes | |
END | |
exit 0 | |
end | |
def output_values | |
status = `/home/deploy/.rvm/bin/rvmsudo passenger-status` | |
unless $?.success? | |
$stderr.puts "failed executing passenger-status" | |
exit 1 | |
end | |
status =~ /max\s+=\s+(\d+)/ | |
puts "max.value #{$1}" | |
status =~ /count\s+=\s+(\d+)/ | |
puts "running.value #{$1}" | |
status =~ /active\s+=\s+(\d+)/ | |
puts "active.value #{$1}" | |
total_sessions = 0 | |
status.scan(/Sessions: (\d+)/).flatten.each { |count| total_sessions += count.to_i } | |
puts "sessions.value #{total_sessions}" | |
end | |
if ARGV[0] == "config" | |
output_config | |
else | |
output_values | |
end |
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