Class: Deployku::RailsPlugin

Inherits:
Plugin
  • Object
show all
Defined in:
lib/deployku/plugins/rails.rb

Constant Summary collapse

PACKAGES = 
['nodejs']

Instance Method Summary collapse

Methods inherited from Plugin

<<, command_description, filter_plugins, find_plugin, help, inherited, instance, #packages, run

Instance Method Details

#build_dockerfile(path) ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 40

def build_dockerfile(path)
  app_path = File.join(path, 'app')
  ruby_version = detect_ruby_version(app_path)
  dockerfile_path = File.join(path, 'Dockerfile')
  # TODO: process Dockerfile with erubis
  custom_docker_file = File.join(app_path, 'Dockerfile')
  if File.exists?(custom_docker_file)
    FileUtils.cp(custom_docker_file, dockerfile_path)
  else
    File.open(dockerfile_path, 'w') do |f|
      f << <<EOF
FROM #{Deployku::Config.from}

ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update

RUN /bin/bash -l -c 'rvm install #{ruby_version} && rvm use #{ruby_version} --default'
RUN /bin/bash -l -c 'rvm rubygems current'
RUN /bin/bash -l -c 'gem install bundler'

RUN /bin/bash -l -c 'rvm cleanup all'

RUN apt-get install -y rsync #{packages.join(' ')}

RUN apt-get -y autoclean
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

EXPOSE #{Deployku::Config.port}
CMD []
ENTRYPOINT ["/start"]

ADD start /start

ADD app /app
RUN /bin/bash -l -c 'mkdir -p /public'
RUN /bin/bash -l -c 'cd app && RAILS_ENV=production bundle install --without development test'
EOF
    end
  end
end

#build_start_script(path) ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 15

def build_start_script(path)
  app_path = File.join(path, 'app')
  start_path = File.join(path, 'start')
  custom_start_path = File.join(app_path, 'start')
  if File.exists?(custom_start_path)
    FileUtils.cp(custom_start_path, start_path)
  else
    File.open(start_path, 'w') do |f|
      f << <<EOF
#!/usr/bin/env bash
source /usr/local/rvm/scripts/rvm
cd app
export RAILS_ENV=production
bundle exec rake db:migrate RAILS_ENV=production
bundle exec rake assets:precompile RAILS_ENV=production

rsync -av public/ /public/

bundle exec rails s -p #{Deployku::Config.port} -b 0.0.0.0 -e production
EOF
    end
  end
  File.chmod(0755, start_path)
end

#detect(path) ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 82

def detect(path)
  gem_file_path = File.join(path, 'Gemfile')
  if File.exists?(gem_file_path)
    if File.read(gem_file_path) =~ %r{^\s*gem\s+['"](rails)['"]}m
      return true
    end
  end
  false
end

#detect_ruby_version(path) ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 92

def detect_ruby_version(path)
  gem_file_path = File.join(path, 'Gemfile')
  if File.exists?(gem_file_path)
    ruby_version = File.read(gem_file_path).gsub(%r{.*ruby\s+['"]([^'"]+)['"].*}m, '\1')
  end
  if not ruby_version || ruby_version == ''
    ruby_version = '2.1.7'
  end
  ruby_version
end

#port ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 11

def port
  3000
end

#volumes ⇒ Object 



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# File 'lib/deployku/plugins/rails.rb', line 7

def volumes
  ['/public/']
end