Module: Dockerun::CommandHelper::DockerImageHelper

Includes:
Dockerun::CliHelper::CliPrompt, BundlerHelper, DockerCommandFactoryHelper
Included in:
Dockerun::Command::Run, Dockerun::Command::RunNewImage
Defined in:
lib/dockerun/docker_image_helper.rb

Defined Under Namespace

Classes: DockerImageBuildFailed, DockerImageDeleteFailed, DockerImagePrebuiltConfigFailed, DockerfileNotExist

Instance Method Summary collapse

Methods included from BundlerHelper

#find_local_dev_gems

Methods included from DockerCommandFactoryHelper

#dcFact

Methods included from Dockerun::CliHelper::CliPrompt

#cli

Instance Method Details

#build_image_if_not_exist(name, &block) ⇒ Object

Raises:



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

def build_image_if_not_exist(name, &block)
 
  raise DockerImageBuildFailed, "block is required" if not block

  mountPoints = []
  if is_empty?(name)
    reuse = false
    loop do
      name = block.call(:new_image_name)
      break if not is_image_existed?(name)
      reuse, name = block.call(:image_exist, name)
      break if reuse
    end

    if reuse
      
    else

      #@workspace_root = "/opt"
      #@shared_dirs = {}

      #mount = []
      #sharedInsideDocker = []
      #res = find_local_dev_gems
      #puts "Found #{res.length} local gems #{res}"
      #if not res.empty?

      #  transferMapping = block.call(:transfer_dev_gem_mapping?)
      #  if transferMapping
      #    res.each do |name, path|
      #      tsrc = block.call(:workspace_root_inside_docker, @workspace_root, name, path)
      #      inPath = File.join(tsrc, name)
      #      mount << { path => inPath }
      #      @shared_dirs[name] = inPath 
      #    end
      #  end

      #end

      #mapProjectDir = block.call(:map_project_dir, @workspace_root)
      #if not_empty?(mapProjectDir)
      #  mount << { Dir.getwd => mapProjectDir }
      #end

      #reqVolMap = block.call(:volume_mapping_required?)
      #if reqVolMap

      #  loop do

      #    block.call(:already_mapped, mount)

      #    src = block.call(:source_prompt)
      #    dest = block.call(:destination_prompt, src)
      #    mount << { src => dest }

      #    add_to_bundle = block.call(:add_to_bundle?, dest)
      #    if add_to_bundle
      #      @shared_dirs[File.basename(dest)] = dest
      #    end

      #    block.call(:add_mount_to_container, container_name, mount.last)
      #    repeat = block.call(:add_more_volume_mapping?)
      #    break if not repeat

      #  end

      #end


      #insideDockerConfig = File.join(File.dirname(__FILE__),"..","..","template","setup_ruby_devenv.rb.erb")
      #if File.exist?(insideDockerConfig)

      #  @docker_init_file_path = File.join(Dir.getwd,"on_docker_config")

      #  cont = File.read(insideDockerConfig)

      #  b = binding

      #  res = ERB.new(cont)
      #  out = res.result(b)

      #  # fixed this name to be used inside Dockerfile 
      #  File.open(@docker_init_file_path, "w") do |f|
      #    f.write out
      #  end

      #  block.call(:on_docker_init_file_path,@docker_init_file_path) 

      #end

      mountPoints, dockerinit = prompt_mount_points(&block)


      dockerfile = load_dockerfile(Dir.getwd, dockerinit, &block)
      build_docker_image(name, dockerfile: dockerfile)
    end

  else

      if not is_image_existed?(name)

        mountPoints, dockerinit = prompt_mount_points(&block)

        dockerfile = load_dockerfile(Dir.getwd, dockerinit, &block)
        build_docker_image(name, dockerfile: dockerfile)
      end

  end

  [name, mountPoints]

end

#load_dockerfile(root = Dir.getwd, dockerInitPath = nil, &block) ⇒ Object 



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# File 'lib/dockerun/docker_image_helper.rb', line 19

def load_dockerfile(root = Dir.getwd, dockerInitPath = nil, &block)

  #avail = ::Dockerun::Template::TemplateEngine.available_templates
  df = ::Dockerun::Template::TemplateEngine.available_templates

  #df = Dir.glob(File.join(root,"Dockerfile*"))
  if df.length == 0
    raise DockerfileNotExist, "Dockerfile not yet available. Please create one or run init first."
  end

  selectedDf = nil
  if df.length > 1
    selectedDf = cli.select("Please select one of the Dockerfile to proceed: ") do |m|
      df.each do |d|
        m.choice File.basename(d), d
      end
    end
  else
    selectedDf = df.first
  end

  tw = ::Dockerun::Template::TemplateWriter.new(selectedDf)
  tw.docker_init_file_path = dockerInitPath
  userFields = tw.user_configurables
  if block
    tw.user_configurables = block.call(:prompt_user_configurables, { template: selectedDf, userFields: userFields })
  end
  res = tw.compile

  loc = "."
  #loc = params[:location] if not_empty?(params[:location])

  loc = File.expand_path(loc)
  out = nil
  if File.directory?(loc)
    out = File.join(loc, "Dockerfile.dockerun")
  else
    out = File.join(File.dirname(loc), "Dockerfile.dockerun")
  end

  File.open(out, "w") do |f|
    f.write res
  end


  #selectedDf
  File.basename(out)
    
end

#prompt_mount_points(&block) ⇒ Object

Raises:



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# File 'lib/dockerun/docker_image_helper.rb', line 182

def prompt_mount_points(&block)

  raise DockerImagePrebuiltConfigFailed, "block is mandatory" if not block

  @workspace_root = "/opt"
  @shared_dirs = {}

  block.call(:prompt_mount_points_starting)

  mount = []
  res = find_local_dev_gems
  #puts "Found #{res.length} local gems #{res}"
  if not res.empty?

    transferMapping = block.call(:transfer_dev_gem_mapping?, res)
    if transferMapping
      res.each do |name, path|
        tsrc = block.call(:workspace_root_inside_docker, @workspace_root, name, path)
        mount << { path => tsrc }
        @shared_dirs[name] = tsrc 
      end
    end

  end

  mapProjectDir = block.call(:map_project_dir, @workspace_root)
  if not_empty?(mapProjectDir)
    mount << { Dir.getwd => mapProjectDir }
  end

  reqVolMap = block.call(:volume_mapping_required?)
  if reqVolMap

    loop do

      block.call(:already_mapped, mount)

      src = block.call(:source_prompt, { control: [ "Type 's' to skip" ] })
      if src == "s"
        block.call(:volume_mapping_skipped)
        break
      end

      dest = block.call(:destination_prompt, src)
      mount << { src => dest }

      add_to_bundle = block.call(:add_to_bundle?, dest)
      if add_to_bundle
        @shared_dirs[File.basename(dest)] = dest
      end

      block.call(:add_mount_to_container, container_name, mount.last)
      repeat = block.call(:add_more_volume_mapping?)
      break if not repeat

    end

  end


  insideDockerConfig = File.join(File.dirname(__FILE__),"..","..","template","setup_ruby_devenv.rb.erb")
  if File.exist?(insideDockerConfig)

    @docker_init_file_path = File.join(Dir.getwd,"on_docker_config")

    cont = File.read(insideDockerConfig)

    b = binding

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

    # fixed this name to be used inside Dockerfile 
    File.open(@docker_init_file_path, "w") do |f|
      f.write out
    end

    block.call(:on_docker_init_file_path,@docker_init_file_path) 

  end

  [mount, @docker_init_file_path]

end