Class: Docker::Cli::DockerComposer

Inherits:
Object
  • Object
show all
Includes:
TR::ArgUtils, TR::CondUtils
Defined in:
lib/docker/cli/docker_composer.rb

Instance Method Summary collapse

Instance Method Details

#parse_input(argv, &block) ⇒ Object

Raises:



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# File 'lib/docker/cli/docker_composer.rb', line 20

def parse_input(argv, &block)
  @dcPath = argv.first
  @dcPath = "./docker-compose.yml" if is_empty?(@dcPath) 
  @dcPath = "./docker-compose.yaml" if not File.exist?(@dcPath)
  raise RuntimeException, "docker-compose.[yml,yaml] not found. Please provide the docker-compose.yml file to load" if not File.exist?(@dcPath)

  @outPath = argv[1]
  @outPath = "#{@dcPath}-gen.yml" if is_empty?(@outPath)

  process_dc

  [true, []]
end

#process_dc ⇒ Object 



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# File 'lib/docker/cli/docker_composer.rb', line 34

def process_dc
  if File.exist?(@dcPath)

    cont = YAML.safe_load(File.read(@dcPath))

    if not_empty?(cont["services"])

      cont["services"].each do |servName, conf|

        # if user key is empty, match with current uid and gid
        if conf.keys.include?("user") and is_empty?(conf["user"])
          conf["user"] = "#{[:uid]}:#{user_group_info[:gid]}"
        end

        # add to volumes if there is development gems found
        if not_empty?(conf["volumes"])
          vol = conf["volumes"]

          if vol.include?("devgems")

            vol.delete("devgems")
            logger.debug "Volume after delete : #{vol.inspect}"

            devGems = Cli.find_dev_gems
            logger.debug " Found #{devGems.length} devgems"
            if devGems.length > 0
              if @parse_argv_block
                @mount_root = @parse_argv_block.call(:prompt_docker_mount_root)
              else
                raise RuntimeException, "Please provide a block to prompt for missing parameters"
              end

              devGems.each do |name,path|
                vol << "#{path}:#{File.join(@mount_root, name)}"
              end
            end

          end

        end
      end

    end

    reCont = cont.to_yaml
    reCont = reCont.gsub("---","")
    File.open(@outPath, "w") do |f|
      f.write reCont
    end

  else
    raise RuntimeException, "Given docker compose file '#{@dcPath}' does not exist"
  end
end