Class: Cnvrg::Images

Inherits:
Object
  • Object
show all
Defined in:
lib/cnvrg/Images.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(working_dir, image_name = "") ⇒ Images

Returns a new instance of Images.



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# File 'lib/cnvrg/Images.rb', line 10

def initialize(working_dir, image_name="")
  begin
    config = YAML.load_file(working_dir+"/.cnvrg/config.yml")
    idx = YAML.load_file(working_dir + "/.cnvrg/idx.yml")

    @working_dir = working_dir
    @commit_id =idx[:commit]
    @project_title = config[:project_name]
    @project_slug = config[:project_slug]
    @owner = config[:owner]
    @is_docker = config[:docker]
    if image_name.empty?
      @image_name = config[:image_base]
      @image_tag = config[:image_tag]
      @image_slug = find_image()

    else

      @image_name = image_name
      if !@image_name.nil? and !@image_name.empty?
        if image_name.include? ":"
        @image_name = image_name[0, image_name.index(":")]
        @image_tag = image_name[image_name.index(":")+1, image_name.size]
        else
          @image_name = image_name
          @image_tag = "lastest"
        end

      end
      @image_slug = find_image(false)
      update_image_activity(@commit_id, nil)
      config = {project_name: config[:project_name],
                project_slug: config[:project_slug],
                owner: config[:owner],
                docker: true, image_base: @image_name, image_tag: @image_tag, image_slug: image_slug}
      File.open(working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }
    end

  rescue => e
  end

end

Instance Attribute Details

#commit_id ⇒ Object (readonly)

Returns the value of attribute commit_id.



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# File 'lib/cnvrg/Images.rb', line 7

def commit_id
  @commit_id
end

#image_name ⇒ Object (readonly)

Returns the value of attribute image_name.



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# File 'lib/cnvrg/Images.rb', line 7

def image_name
  @image_name
end

#image_slug ⇒ Object (readonly)

Returns the value of attribute image_slug.



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# File 'lib/cnvrg/Images.rb', line 7

def image_slug
  @image_slug
end

#image_tag ⇒ Object (readonly)

Returns the value of attribute image_tag.



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# File 'lib/cnvrg/Images.rb', line 7

def image_tag
  @image_tag
end

#is_docker ⇒ Object (readonly)

Returns the value of attribute is_docker.



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# File 'lib/cnvrg/Images.rb', line 7

def is_docker
  @is_docker
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/cnvrg/Images.rb', line 7

def owner
  @owner
end

#port ⇒ Object (readonly)

Returns the value of attribute port.



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# File 'lib/cnvrg/Images.rb', line 7

def port
  @port
end

#project_slug ⇒ Object (readonly)

Returns the value of attribute project_slug.



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# File 'lib/cnvrg/Images.rb', line 7

def project_slug
  @project_slug
end

Class Method Details

.image_exist(owner, image_name) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 70

def self.image_exist(owner, image_name)

  image_res = Cnvrg::API.request("users/#{owner}/images/" + "find", 'POST', {image_name: image_name})

  if Cnvrg::CLI.is_response_success(image_res)
    image= image_res["result"]["image"]
    return image
  else
    return false

  end
end

Instance Method Details

#container_port ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 61

def container_port()
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  if config[:container].nil?
    return false
  else
    return config[:port]
  end
end

#create_container(port = 7654, is_remote = false) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 172

def create_container(port=7654, is_remote=false)
  begin
    image_settings = {
        'Image' => "#{@image_name}:#{@image_tag}",
        'User' => 'ds',
        'Cmd' => '/home/ds/run_ipython.sh',
        'ExposedPorts' => {
            '8888/tcp' => {},
        },
        'HostConfig' => {
            'Binds' => ["#{@working_dir}:/home/ds/notebooks"],
            'PortBindings' => {
                '8888/tcp' => [
                    {'HostPort' => "#{port}", 'HostIp' => 'localhost'}
                ],
            },
        },
    }
    # if !is_remote
    #   image_settings['HostConfig'].merge!({ 'Binds' => ["#{@working_dir}:/home/ds/notebooks"]})
    # end
    container = Docker::Container.create(image_settings)
    container.start()
    netrc = File.open(File.expand_path('~')+"/.netrc", "rb")
    netrc_content = netrc.read
    container.store_file("/home/ds/.netrc", netrc_content)
    command = ["/bin/bash", "-lc", "sudo chmod 600 /home/ds/.netrc"]
    p = container.exec(command, tty: true)
    command = ["/bin/bash", "-lc", "sudo chown -R ds /home/ds/.netrc"]
    p = container.exec(command, tty: true)
    command = ["/bin/bash", "-lc", "mkdir /home/ds/.cnvrg"]
    container.exec(command, tty: true)
    command = ["/bin/bash", "-lc", "mkdir /home/ds/.cnvrg/tmp"]
    container.exec(command, tty: true)
    config = File.open(File.expand_path('~')+"/.cnvrg/config.yml", "rb")
    config_content = config.read
    container.store_file("/home/ds/.cnvrg/config.yml", config_content)
    command = ["/bin/bash", "-lc", "sudo chown -R ds /home/ds/.cnvrg"]
    container.exec(command, tty: true)
    # Libraries instlled
    save_installed_libraries(container)
    config = {project_name: @project_name,
              project_slug: @project_slug,
              owner: @owner,
              docker: true, image_base: @image_name, image_tag: @image_tag, container: container.id, port: port, image_slug: @image_slug}

    File.open(@working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }


    return container


  rescue => e
    if e.message.include? "is not running"
      return create_container(port-1)
    end
    return false
  rescue SignalException

    say "\nAborting", Thor::Shell::Color::RED
    exit(1)
  end


end

#create_custom_image(new_image_name, working_dir, stored_commands) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 97

def create_custom_image(new_image_name,working_dir,stored_commands)

  python2_arr = get_installed_packages("python2")
  py2 = python2_arr.join(",") unless python2_arr.nil? or python2_arr.empty?
  python3_arr = get_installed_packages("python3")
  py3 = python3_arr.join(",") unless python3_arr.nil? or python3_arr.empty?
  system_arr = get_installed_packages("system")
  sys = system_arr.join(",") unless system_arr.nil? or system_arr.empty?

  response = Cnvrg::API.request("users/#{@owner}/projects/#{@project_slug}/images/push", 'POST', {image_slug: @image_slug, py2: py2,py3:py3,
                                                                                         dpkg: sys, new_image_name: new_image_name,
                                                                                         run_commands:stored_commands})
  if Cnvrg::CLI.is_response_success(response) and !response["result"]["slug"].nil?
    container = get_container()
    name = response["result"]["name"]
    container = get_container()
    container.commit({repo:name,tag:"latest"})
    update_image(name+":latest", container, response["result"]["slug"])
    File.truncate(working_dir+"/.cnvrg/custom_image.txt", 0)

  end

  return true

end

#find_image(update = true) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 298

def find_image(update=true)
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  image_slug = config[:image_slug]
  if image_slug.nil? or image_slug.empty?
    image_res = Cnvrg::API.request("users/#{@owner}/images/" + "find", 'POST', {image_name: @image_name})

    if Cnvrg::CLI.is_response_success(image_res)
      image_slug = image_res["result"]["image"]["slug"]
      update_slug(image_slug) unless !update
      return image_slug
    end
  else
    return image_slug

  end
end

#get_bash_history ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 277

def get_bash_history
  container = get_container()
  command = ["/bin/bash", "-lc", "cat /home/ds/.bash_history"]
  history = container.exec(command, tty: true)[0][0]
  if history.include? "No such file"
    history = ""
  end
  return history
end

#get_container(stop = false) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 138

def get_container(stop=false)
  begin
    container_id=is_container_exist()

    if !container_id
      return create_container()
    else
      container = Docker::Container.get(container_id)
      status = container.json["State"]["Status"]

      if status == "running"
        return container
      else
        if stop
          return false
        end
        res = container.start()
        if res.info["State"]["Status"].eql? "exited" and  res.info["State"]["Error"].include? "port is already allocated"
          return create_container()
        end
        return container
      end
    end
  rescue => e
    if e.message.include? "No such container"

      return create_container()
    else
      return false
    end
  end

end

#get_image_state ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 288

def get_image_state
  python_arr = self.get_installed_packages("python")
  py = python_arr.join(",") unless python_arr.nil? or python_arr.empty?
  system_arr = self.get_installed_packages("system")
  sys = system_arr.join(",") unless system_arr.nil? or system_arr.empty?
  # bash_history = self.get_bash_history
  diff = [py, sys]

end

#get_installed_packages(repo) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 260

def get_installed_packages(repo)
  container = get_container()
  case repo
    when "python2"
      command = ['/bin/bash', '-lc', '/opt/ds/bin/pip freeze']
    when "python3"
      command = ['/bin/bash', '-lc', '/opt/ds3/bin/pip3 freeze']
    when "system"
      command = ["/bin/bash", "-lc", "dpkg -l | grep '^ii' | awk '{print $2\"==\"$3}'"]
  end

  libs = container.exec(command, tty: true)[0]
  libs_arr = libs.join("").split("\r\n")
  return libs_arr

end

#handle_image_activity ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 355

def handle_image_activity
  home_dir = File.expand_path('~')
  zip_dir = "#{home_dir}/.cnvrg/tmp/config.zip"
  compress = `zip -j #{zip_dir} #{home_dir}/.netrc #{home_dir}/.cnvrg/config.yml`
  @files = Cnvrg::Files.new(@owner, @project_slug)
  res_id = @files.upload_exec_file(zip_dir, @image_name, @commit_id)
  FileUtils.remove zip_dir
  return res_id
end

#is_container_exist ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 53

def is_container_exist()
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  if config[:container].nil?
    return false
  end
  return config[:container]
end

#new_machine(instance_type) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 343

def new_machine(instance_type)
  title = "#{instance_type} auto created by cli"
  response = Cnvrg::API.request("users/#{@owner}/machines/new", 'POST', {machine_name: title, instance_type: instance_type})
  return Cnvrg::CLI.is_response_success(response)

end

#note_slug ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 320

def note_slug
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  note_slug = config[:notebook_slug]
  if note_slug.nil? or note_slug.empty?
    return false
  else
    return note_slug
  end
end

#remote_notebook(notebook_path, instance_type, kernel) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 252

def remote_notebook(notebook_path, instance_type, kernel)
  response = Cnvrg::API.request("users/#{@owner}/images/#{@image_slug}/remote_notebook", 'POST', {dir: notebook_path,
                                                                                                  project_slug: @project_slug,
                                                                                                  instance_type: instance_type,
                                                                                                  kernel: kernel})
  return response
end

#remove_note_slug ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 329

def remove_note_slug
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  config[:notebook_slug] = ""
  File.open(@working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }

end

#save_installed_libraries(container) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 238

def save_installed_libraries(container)
  begin
    command = ['/bin/bash', '-lc', '/opt/ds/bin/pip freeze']
    pip = container.exec(command, tty: true)[0]
    command = ["/bin/bash", "-lc", "dpkg -l | grep '^ii' | awk '{print $2\"==\"$3}'"]
    dpkg = container.exec(command, tty: true)[0]
    File.open(@working_dir+"/.cnvrg/pip_base.txt", "w+") { |f| f.write pip }
    File.open(@working_dir+"/.cnvrg/dpkg_base.txt", "w+") { |f| f.write dpkg }
  rescue => e
  end


end

#set_note_url(note_slug) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 315

def set_note_url(note_slug)
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  config[:notebook_slug] = note_slug
  File.open(@working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }
end

#store_image_build_commands(working_dir, cmd) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 82

def store_image_build_commands(working_dir, cmd)
  begin
  custom_image_file = working_dir+"/.cnvrg/custom_image.txt"
  if !File.exist? custom_image_file
    FileUtils.touch [custom_image_file]
  end
  File.open(custom_image_file, 'a' ) do  |f|
    f.puts cmd
  end
  rescue
  end


end

#update_image(image_name, container, image_slug) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 123

def update_image(image_name, container, image_slug)
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  @image_name = image_name
  if !@image_name.nil? and !@image_name.empty?
    @image_name = image_name[0, image_name.index(":")]
    @image_tag = image_name[image_name.index(":")+1, image_name.size]
  end
  config = {project_name: config[:project_name],
            project_slug: config[:project_slug],
            owner: config[:owner],
            docker: true, image_base: @image_name, image_tag: @image_tag, container: container.id, image_slug: image_slug}

  File.open(@working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }
end

#update_image_activity(commit, exp_slug) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 350

def update_image_activity(commit, exp_slug)
  response = Cnvrg::API.request("users/#{@owner}/images/#{@image_slug}/update_activity", 'POST', {commit: commit, project_slug: @project_slug, experiment: exp_slug})
  return Cnvrg::CLI.is_response_success(response)
end

#update_slug(slug) ⇒ Object 



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# File 'lib/cnvrg/Images.rb', line 337

def update_slug(slug)
  config = YAML.load_file(@working_dir+"/.cnvrg/config.yml")
  config[:image_slug] = slug
  File.open(@working_dir+"/.cnvrg/config.yml", "w+") { |f| f.write config.to_yaml }
end