Module: Dockerun::CommandHelper::DockerContainerHelper

Includes:
BundlerHelper, DockerCommandFactoryHelper
Included in:
Dockerun::Command::Run, Dockerun::Command::RunNewContainer, Dockerun::Command::RunNewImage, Dockerun::Command::StopContainer
Defined in:
lib/dockerun/docker_container_helper.rb

Overview

Common functions for docker container management

Defined Under Namespace

Classes: DockerContainerBuildFailed, DockerContainerStartFailed, DockerContainerStopFailed

Instance Method Summary collapse

Methods included from BundlerHelper

#find_local_dev_gems

Methods included from DockerCommandFactoryHelper

#dcFact

Instance Method Details

#run_docker_container(image_name, container_name, mount_points = [], &block) ⇒ Object

Raises:



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

def run_docker_container(image_name, container_name, mount_points = [], &block)
     
  raise DockerContainerBuildFailed, "block is required" if not block
  raise DockerContainerBuildFailed, "Image name is required" if is_empty?(image_name)

  Dockerun.udebug("Running image '#{image_name}', container '#{container_name}'")

  reuse = nil

  if is_empty?(container_name)
    Dockerun.udebug "Container name empty. Creating new container"
    container_name = block.call(:new_container_name)
    loop do
      st, _ = is_container_exist?(container_name)
      if st
        reuse = block.call(:container_name_exist, container_name)
        break if reuse
        container_name = block.call(:new_container_name)
      else
        break
      end
    end

  else
    reuse, _ = is_container_exist?(container_name)
    Dockerun.udebug "Container name not empty. Is container exist? : #{reuse}"
    #if st
    #  reuse = true
    #else
    #  # if not found shall drop into the next block's else clause 
    #end
  end

  if reuse == true
  
    Dockerun.udebug "Find out of container '#{container_name}' is running..." 
    #res = dcFact.find_running_container(container_name).run
    #if not res.failed? and res.is_out_stream_empty?
    st, _ = is_container_running?(container_name)
    if not st
      # not running
      Dockerun.udebug "Container '#{container_name}' does not seems to be running. Starting container."
      ress = dcFact.start_container(container_name).run
      raise DockerContainerStartFailed, "Failed to start container '#{container_name}'. Error was : #{ress.err_stream}" if ress.failed?
    end

    ucmd = cli.ask("Command to be run inside the container. Empty to attach to existing session : ", value: "/bin/bash")
    if is_empty?(ucmd)
      dcFact.attach_container(container_name).run
    else
      dcFact.run_command_in_running_container(container_name, ucmd, tty: true, interactive: true).run
    end

  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



    dcFact.create_container_from_image(image_name, interactive: true, tty: true, container_name: container_name, mount: mount_points).run

  end

  container_name

end