Class: Dockdev::Context::Rubygems

Inherits:
Object
  • Object
show all
Includes:
TR::CondUtils
Defined in:
lib/dockdev/context/rubygems.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Rubygems

Returns a new instance of Rubygems.



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# File 'lib/dockdev/context/rubygems.rb', line 13

def initialize(path)
  @path = path
  @mounts = {}
  @ports = {}
end

Class Method Details

.init_path(path) ⇒ Object 



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# File 'lib/dockdev/context/rubygems.rb', line 9

def self.init_path(path)
  Rubygems.new(path)
end

Instance Method Details

#apply_context(dockdev_config) ⇒ Object 



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# File 'lib/dockdev/context/rubygems.rb', line 27

def apply_context(dockdev_config)
  ddConf = dockdev_config

  if not_empty?(ddConf)

    # 
    # looking at source code 
    # https://github.com/rubygems/rubygems/blob/master/bundler/lib/bundler/shared_helpers.rb#L246
    # seems this is the way to set root for Bundler
    #
    ENV['BUNDLE_GEMFILE'] = find_gemfile.first
    if not_empty?(ENV['BUNDLE_GEMFILE'])

      cmd = ["echo 'alias be = \"bundle exec\"' >> /etc/bash.bashrc"]

      Bundler.load.dependencies.each do |d|
        if not d.source.nil?
          src = d.source
          if src.path.to_s != "."
            pathInsideDocker = File.join(ddConf.workdir, d.name)
            ddConf.add_mount(src.path.expand_path.to_s,pathInsideDocker)
            # following line assumed 'bundle' program already installed inside the image
            cmd << "bundle config --global local.#{d.name} #{pathInsideDocker}"
          end
        end
      end

      if not_empty?(cmd)
      
        script = ["#!/bin/bash"]
        script << "if ! command -v bundle &> /dev/null"
        script << "  echo \"Command 'bundle' is available!\""
        script.concat(cmd.collect { |e| "  #{e}"})
        script << "then"
        script << "  echo \"Command 'bundle' not available\""
        #script << "   exit 1"
        script << "fi"

        File.open("rubygems_init.sh","w") do |f|
          f.write script.join("\n")
        end

        ddConf.append_Dockerfile("COPY rubygems_init.sh /tmp/rubygems_init.sh") 
        ddConf.append_Dockerfile("RUN chmod +x /tmp/rubygems_init.sh && /tmp/rubygems_init.sh") 
      end

    end

  end

  ddConf
end

#find_gemfile ⇒ Object 



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# File 'lib/dockdev/context/rubygems.rb', line 23

def find_gemfile
  Dir.glob(File.join(@path,"Gemfile"))
end

#is_context? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockdev/context/rubygems.rb', line 19

def is_context?
  find_gemfile.length > 0
end