Class: Dockerun::Dfile

Inherits:
Object
  • Object
show all
Includes:
TR::CondUtils
Defined in:
lib/dockerun/dfile.rb

Overview

Generate Dockerfile

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Dfile

Returns a new instance of Dfile.



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# File 'lib/dockerun/dfile.rb', line 10

def initialize(config)
  @_config = config
end

Instance Method Details

#base_image ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 62

def base_image
  @base_image
end

#base_image=(img) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 59

def base_image=(img)
  @base_image = img
end

#command ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 49

def command
  @cmd
end

#default_command ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 52

def default_command
  ["/bin/bash"]
end

#generate(opts = {}) ⇒ Object

Raises:



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# File 'lib/dockerun/dfile.rb', line 100

def generate(opts = {})
  
  opts = {} if opts.nil?

  config = @_config
  raise Error, "Config is required" if config.nil?

  cont = []
  cont << "FROM #{base_image}"
  cont << ""

  pkgMgr = pkg_mgr(config)

  if not skip_update? or not skip_upgrade?
    st = []
    st << "#{pkgMgr} update" if not skip_update?
    st << "#{pkgMgr} install -y apt-transport-https"
    st << "#{pkgMgr} -y upgrade" if not skip_upgrade?
    cont << "RUN #{st.join(" && ")}" if not_empty?(st)
    cont << ""
  end

  cb = trigger_listener(:dockerfile_before_install_app)
  cont << cb if not_empty?(cb)
  cont << "RUN #{pkgMgr} -y install #{required_app.join(" ")}"
  cont << ""

  cb = trigger_listener(:dockerfile_after_install_app)
  cont << cb if not_empty?(cb)

  if config.set_current_user?
    #RUN groupadd -f -g <%= @user_group_id %>  <%= @user_group_name %> && useradd -u <%= @user_id %> -g <%= @user_group_id %> -m <%= @user_login %> && usermod -aG sudo <%= @user_login %> && echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
    #USER <%= @user_login %>

    uInfo = Dockerun::Cli::UserInfo.
    gInfo = Dockerun::Cli::UserInfo.group_info

    uCmd = []
    uCmd << "groupadd -f -g"
    uCmd << gInfo[:gid]
    uCmd << gInfo[:group_name]
    uCmd << "&& useradd"
    uCmd << "-u"
    uCmd << uInfo[:uid]
    uCmd << "-g"
    uCmd << gInfo[:gid]
    uCmd << "-m"
    uCmd << uInfo[:login]
    uCmd << "&& usermod -aG sudo"
    uCmd << uInfo[:login]
    uCmd << "&& echo '#{uInfo[:login]} ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers"

    cb = trigger_listener(:dockerfile_before_add_user)
    cont << cb if not_empty?(cb)

    cont << "RUN #{pkgMgr} -y install sudo && #{uCmd.join(" ")}"
    cont << "USER #{uInfo[:login]}"
    cont << ""

    cb = trigger_listener(:dockerfile_after_add_user)
    cont << cb if not_empty?(cb)

  end
   
  cb = trigger_listener(:dockerfile_before_workdir)
  cont << cb if not_empty?(cb)

  if config.is_workdir_given? and is_set_workdir? 
    cont << "WORKDIR #{config.workdir}"
    cont << ""
  end

  cb = trigger_listener(:dockerfile_after_workdir)
  cont << cb if not_empty?(cb)


  cb = trigger_listener(:dockerfile_before_command)
  cont << cb if not_empty?(cb)

  cont << "CMD [\"#{command.join(",")}\"]" if is_command_given?

  cont.join("\n")

end

#generated_image_name ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 24

def generated_image_name
  if @_genImgName.nil?
    @_genImgName = "#{File.basename(Dir.getwd.gsub(" ","-"))}_docker_image"
  end
  @_genImgName
end

#image_name ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 18

def image_name
  @image_name
end

#install(*app) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 39

def install(*app)
  @installApp = app
end

#is_command_given? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 55

def is_command_given?
  not_empty?(command)
end

#is_image_name_given? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 21

def is_image_name_given?
  not_empty?(@image_name)
end

#is_set_workdir? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 69

def is_set_workdir?
  @set_workdir.nil? ? true : @set_workdir
end

#keep_dockerfile(bool = true) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 87

def keep_dockerfile(bool = true)
  @keep_dockerfile = bool
end

#keep_dockerfile? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 90

def keep_dockerfile?
  @keep_dockerfile.nil? ? true : @keep_dockerfile
end

#listener(&block) ⇒ Object

for context to install listener



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# File 'lib/dockerun/dfile.rb', line 96

def listener(&block)
  @listener = block
end

#output=(val) ⇒ Object

DSL



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# File 'lib/dockerun/dfile.rb', line 32

def output=(val)
  @output = val
end

#output_filename ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 35

def output_filename
  @output
end

#required_app ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 42

def required_app
  @installApp.nil? ? [] : @installApp
end

#set_command(*val) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 46

def set_command(*val)
  @cmd = val 
end

#set_image_name(val) ⇒ Object

DSL



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# File 'lib/dockerun/dfile.rb', line 15

def set_image_name(val)
  @image_name = val
end

#set_workdir(bool = true) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 66

def set_workdir(bool = true)
  @set_workdir = bool
end

#skip_update(bool = false) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 73

def skip_update(bool = false)
  @skip_update = bool
end

#skip_update? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 76

def skip_update?
  @skip_update.nil? ? false : @skip_update
end

#skip_upgrade(bool = false) ⇒ Object 



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# File 'lib/dockerun/dfile.rb', line 80

def skip_upgrade(bool = false)
  @skip_upgrade = bool 
end

#skip_upgrade? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockerun/dfile.rb', line 83

def skip_upgrade?
  @skip_upgrade.nil? ? false : @skip_upgrade
end