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mechiland/README.txt

Forked from fpauser/README.txt
Created February 26, 2012 05:56
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Rails, VLAD, RVM, SUDO
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README.txt
For a working sudo in a non-interactive ssh session:
1. Copy askpass to $HOME/bin/askpass & make it executeable (chmod +x $HOME/bin/askpass)
2. Change your deploy.rb to setup the SUDO_ASKPASS environment variable (see man sudo)
Credits: http://serverfault.com/questions/307366/error-deploying-app-with-vlad-running-a-sudo-command-to-ubuntu-server
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askpass
#!/usr/bin/env ruby
puts gets.chomp!
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deploy.rb
# http://upstart.ubuntu.com/
# http://ddollar.github.com/foreman/
namespaace :myapp
task :init do
set :domain, 'user@domain'
set :revision, 'master'
set :deploy_to, '/var/www/myapp/rails'
set :rvm_init, 'source /usr/local/rvm/scripts/rvm && rvm use ruby-1.9.3'
set :sudo_flags,   sudo_flags << '-S'
set :run_as_sudo,  [sudo_cmd, sudo_flags].flatten.compact.join(' ')
set :askpass_init, 'export SUDO_ASKPASS=$HOME/bin/askpass'
end
remote_task :deploy => [:init, "vlad:update"] do
run [
"cd #{current_release} && #{rvm_init}",
"bundle install --path vendor/bundle",
"bundle exec rake assets:precompile",
"#{askpass_init} && #{run_as_sudo} restart myapp"
].join(" && ")
end
end
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