Forked from shanlalit/Changes to Support Single-User RVM Install
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March 8, 2017 09:20
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Munin passenger plugin with Single-User RVM Install
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| Munin Passenger Plug-in Installation | |
| Configure the passenger plug-ins according the the guide on http://www.alfajango.com/blog/how-to-monitor-your-railspassenger-app-with-munin/ | |
| NOTE: restart munin after implementing the following changes for Single-User RVM | |
| sudo nano /etc/munin/plugin-conf.d/munin-node | |
| [passenger_*] | |
| user root | |
| #Point the munin plugin execution from the rvm ruby wrapper | |
| command /home/deploy/.rvm/wrappers/ree-1.8.7-2011.03/ruby %c |
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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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