Using rbenv in Production

Using rbenv in Production

Quick overview of the installation process for RVM and rbenv, including how we use puppet-rbenv to manage Ruby at New Relic.

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Nic Benders

July 04, 2012
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  1. New Relic • Development on Mac laptops • CI, Staging

    and Production on Linux • REE-1.8.7-2010.02 and Ruby 1.9.3-p125 Wednesday, July 4, 12
  2. • Developer laptops • MacOS 10.7 • osx-gcc-installer • Many

    apps all running as the developer Development Wednesday, July 4, 12
  3. $ curl -L https://get.rvm.io | bash -s stable $ source

    /Users/newrelic/.rvm/scripts/rvm $ rvm install ree-1.8.7-2010.02 There has been an error while trying to run the ree installer. Halting the installation. Oh that’s right, the old REE doesn’t build with the new LLVM compiler! Manually specify the compiler and try again. $ CC=/usr/bin/gcc-4.2 rvm reinstall ree-1.8.7-2010.02 RVM Wednesday, July 4, 12
  4. $ ruby -v ruby 1.8.7 (2010-04-19 patchlevel 253) [i686-darwin11.3.0], MBARI

    0x6770, Ruby Enterprise Edition 2010.02 $ which ruby /Users/newrelic/.rvm/rubies/ree-1.8.7-2010.02/bin/ruby $ ruby -r rbconfig -e 'puts Config::CONFIG["configure_args"]' '--prefix=/Users/newrelic/.rvm/rubies/ree-1.8.7-2010.02' '-- enable-mbari-api' 'CFLAGS=-g -O2 ' 'CC=/usr/bin/gcc-4.2' RVM Wednesday, July 4, 12
  5. $ /usr/bin/ruby -e "$(/usr/bin/curl -fsSL https://raw.github.com/ mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)" $ brew update

    $ brew install rbenv $ echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.profile $ brew install ruby-build $ rbenv install ree-1.8.7-2010.02 rbenv + ruby-build (with Homebrew) Wednesday, July 4, 12
  6. $ rbenv shell ree-1.8.7-2010.02 $ ruby -v ruby 1.8.7 (2010-04-19

    patchlevel 253) [i686-darwin11.3.0], MBARI 0x6770, Ruby Enterprise Edition 2010.02 $ which ruby /Users/newrelic/.rbenv/shims/ruby $ ruby -r rbconfig -e 'puts Config::CONFIG["configure_args"]' '--prefix=/Users/newrelic/.rbenv/versions/ree-1.8.7-2010.02' '-- enable-mbari-api' 'CFLAGS=-g -O2 ' 'CC=/usr/bin/gcc-4.2' 'LDFLAGS=-L'\\''/Users/newrelic/.rbenv/versions/ree-1.8.7-2010.02/ lib'\\'' ' 'CPPFLAGS=-I'\\''/Users/newrelic/.rbenv/versions/ ree-1.8.7-2010.02/include'\\'' ' rbenv + ruby-build (with Homebrew) Wednesday, July 4, 12
  7. • Linux (CentOS) • One user per application • Puppet

    • Different Rubies for system and application • Try it out in Vagrant first! Production Wednesday, July 4, 12
  8. • Install VirtualBox and Vagrant (vagrantup.com) • Example config https://gist.github.com/

    3044552 • Code, run, repeat! Trying it with Vagrant Wednesday, July 4, 12
  9. Using https://github.com/alup/puppet-rbenv class { "rbenv": user => "newrelic", compile =>

    true, version => "ree-1.8.7-2010.02" } rbenv + ruby-build (with Puppet) Wednesday, July 4, 12
  10. $ ruby -v ruby 1.8.7 (2010-04-19 patchlevel 253) [x86_64-linux], MBARI

    0x6770, Ruby Enterprise Edition 2010.02 $ which ruby ~/.rbenv/shims/ruby $ ruby -r rbconfig -e 'puts Config::CONFIG["configure_args"]' '--prefix=/home/vagrant/.rbenv/versions/ree-1.8.7-2010.02' '-- enable-mbari-api' 'CFLAGS=-g -O2 ' 'CC=/usr/bin/gcc' 'LDFLAGS=-L'\ \''/home/vagrant/.rbenv/versions/ree-1.8.7-2010.02/lib'\\'' ' 'CPPFLAGS=-I'\\''/home/vagrant/.rbenv/versions/ree-1.8.7-2010.02/ include'\\'' ' rbenv + ruby-build (with Puppet) Wednesday, July 4, 12