Class: Dockdev::Context::DockerCompose

Inherits:
Object
  • Object
show all
Defined in:
lib/dockdev/context/docker-compose.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ DockerCompose

Returns a new instance of DockerCompose.



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# File 'lib/dockdev/context/docker-compose.rb', line 14

def initialize(path)
  @path = path
  @parsed = false
  @mounts = {}
  @ports = {}
  @pmt = TTY::Prompt.new
end

Class Method Details

.init_path(path) ⇒ Object 



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# File 'lib/dockdev/context/docker-compose.rb', line 10

def self.init_path(path)
  DockerCompose.new(path)
end

Instance Method Details

#apply_context(dockdev_config) ⇒ Object 



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# File 'lib/dockdev/context/docker-compose.rb', line 91

def apply_context(dockdev_config)
  ddConf = dockdev_config
  
  if not ddConf.nil?
    mounts, ports = parse_docker_compose
    mounts.each do |host, docker|
      ddConf.add_mount(host, docker)
    end
    ports.each do |host, docker|
      ddConf.add_port(host, docker)
    end
  end

  ddConf
end

#find_docker_compose ⇒ Object 



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# File 'lib/dockdev/context/docker-compose.rb', line 26

def find_docker_compose
  Dir.glob(File.join(@path,"docker-compose.*")).grep(/\.(yml|yaml)$/)
end

#is_context? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dockdev/context/docker-compose.rb', line 22

def is_context?
  not find_docker_compose.empty?
end

#parse_docker_compose ⇒ Object 



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# File 'lib/dockdev/context/docker-compose.rb', line 30

def parse_docker_compose
  if not @parsed 
    fdc = find_docker_compose

    begin
      if not fdc.empty?
        load_dc = @pmt.yes?("\n docker-compose file found. Load config? ".magenta)  

        if not load_dc
          @parsed = true
          return [@mounts, @ports]
        end
      end

      if fdc.length > 1
        @selected = @pmt.multi_select(" Please select docker-compose file(s) to parse for running config : ".magenta) do |mn|
          fdc.each do |f|
            mn.choice File.basename(f), f
          end
        end
      else
        @selected = fdc
      end

    rescue TTY::Reader::InputInterrupt
      # Ctrl-C is pressed... exit
      exit(-1)
    end

    @selected.each do |dcf|
      logger.debug " Processing docker-compose : #{dcf}"
      dcc = YAML.load(File.read(dcf))
      dcc.each do |k,v|
        next if k == "version"
        v.each do |kk,vv|
          vv.each do |kkk, vvv|
            if kkk == "volumes"
              vvv.each do |vs|
                logger.debug "Extracting mount point from #{dcf} : #{vs}"
                vvs = vs.split(":")
                @mounts[File.expand_path(vvs[0])] = vvs[1]
              end
            elsif kkk == "ports"
              vvv.each do |vs|
                logger.debug "Extracting ports from #{dcf} : #{vs}"
                ps = vs.split(":")
                @ports[ps[0]] = ps[1]
              end
            end
          end
        end
      end
 
    end

    @parsed = true
  end

  [@mounts, @ports]
end