Class: Dockerun::Template::TemplateWriter

Inherits:
Object
  • Object
show all
Includes:
UserInfo
Defined in:
lib/dockerun/template/template_writer.rb

Direct Known Subclasses

GeneratlTemplateWriter, JrubyTemplateWriter

Defined Under Namespace

Classes: TemplateNotFound

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from UserInfo

#group_info, #user_info

Constructor Details

#initialize(template = :general) ⇒ TemplateWriter

Returns a new instance of TemplateWriter.



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# File 'lib/dockerun/template/template_writer.rb', line 26

def initialize(template = :general)
  @template = template
  @image = "<Replace me>"
  user = 
  group = group_info
  @maintainer = user[:login]
  @user_group_id = group[:group_id]
  @user_group_name = group[:group_name]
  @user_id = user[:user_id]
   = user[:login]
  @image_base = :ubuntu
end

Instance Attribute Details

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def image
  @image
end

#image_base ⇒ Object

Returns the value of attribute image_base.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def image_base
  @image_base
end

#maintainer ⇒ Object

Returns the value of attribute maintainer.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def maintainer
  @maintainer
end

#user_configurables ⇒ Object 



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# File 'lib/dockerun/template/template_writer.rb', line 39

def user_configurables
  fields = {
    image: { desc: "Image name of the docker based on", required: true },
    image_base: { desc: "Image is based on which OS? Assumption with be on Debian based. ", default: :ubuntu },
    maintainer: { desc: "Maintainer of the Dockerfile", default: @maintainer }
  }

  if TR::RTUtils.on_linux?
    f2 = {
      user_group_id: { desc: "User group ID that shall be created in docker. Default to current running user's ID", default: @user_group_id.to_s },
      user_group_name: { desc: "User group name that shall be created in docker. Default to current running user's group", default: @user_group_name },
      user_id: { desc: "User ID that shall be created in docker. Default to current running user ID", default: @user_id.to_s },
      user_login: { desc: "User login name that shall be created in docker. Default to current running user's login", default:  }
    }
    fields.merge!(f2)
  end
  fields
end

#user_group_id ⇒ Object

Returns the value of attribute user_group_id.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def user_group_id
  @user_group_id
end

#user_group_name ⇒ Object

Returns the value of attribute user_group_name.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def user_group_name
  @user_group_name
end

#user_id ⇒ Object

Returns the value of attribute user_id.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def user_id
  @user_id
end

#user_login ⇒ Object

Returns the value of attribute user_login.



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# File 'lib/dockerun/template/template_writer.rb', line 14

def 
  
end

Class Method Details

.instance(template) ⇒ Object 



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# File 'lib/dockerun/template/template_writer.rb', line 17

def self.instance(template)
  tmp = template.to_s.downcase
  if tmp =~ /jruby/
    JrubyTemplateWriter.new
  else
    TemplateWriter.new
  end
end

Instance Method Details

#compile(&block) ⇒ Object 



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# File 'lib/dockerun/template/template_writer.rb', line 58

def compile(&block)

  if not_empty?(@user_configurables)
    @user_configurables.each do |k,v|
      begin
        self.send("#{k}=", v)
      rescue Exception => ex
        STDERR.puts "Setting value exception : #{ex}"
      end
    end
  end

  tmp = find_template
  cont = nil
  File.open(tmp,"r") do |f|
    cont = f.read
  end

  b = binding

  res = ERB.new(cont)
  res.result(b)
end