Class: CIDE::CLI

Inherits:
Thor
  • Object
show all
Includes:
Docker, Thor::Actions
Defined in:
lib/cide/cli.rb

Overview

Command-line option-parsing and execution for cide

Instance Method Summary collapse

Methods included from Docker

#docker, id

Instance Method Details

#build ⇒ Object 



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# File 'lib/cide/cli.rb', line 46

def build
  containers = []

  setup_docker

  ## Config ##
  banner 'Config'
  build = Build::Config.load_file CONFIG_FILE
  exit 1 if build.nil?
  export_dir = options.export_dir || File.dirname(build.export_dir)
  build.run = options.run if options.run
  name = CIDE::Docker.id options.name
  tag = "cide/#{name}"
  say_status :config, build.inspect

  ## Build ##
  banner 'Build'
  if build.use_ssh
    unless File.exist?(options.ssh_key)
      fail ArgumentError, "SSH key #{options.ssh_key} not found"
    end

    create_tmp_file SSH_CONFIG_FILE, File.read(SSH_CONFIG_PATH)
    create_tmp_file TEMP_SSH_KEY, File.read(build.ssh_key)
  end
  create_tmp_file DOCKERFILE, build.to_dockerfile
  docker :build, '--force-rm', '--pull', '-f', DOCKERFILE, '-t', tag, '.'

  ## CI ##
  banner 'Run'
  build.links.each do |link|
    args = ['--detach']
    link.env.each_pair do |key, value|
      args.push('--env', [key, value].join('='))
    end
    args << link.image
    args << link.run if link.run
    link.id = docker(:run, *args, capture: true).strip
    containers << link.id
  end

  run_options = ['--detach']

  build.forward_env.each do |env|
    run_options.push '--env', [env, ENV[env]].join('=')
  end

  build.links.each do |link|
    run_options.push '--link', [link.id, link.name].join(':')
  end

  run_options.push tag
  run_options.push build.run

  id = docker(:run, *run_options, capture: true).strip
  containers << id
  docker(:attach, id)

  ## Export ##
  return unless options.export
  banner 'Export'
  fail 'export flag set but no export_dir given' if build.export_dir.nil?

  guest_export_dir = File.expand_path(build.export_dir, CIDE_SRC_DIR)
  host_export_dir  = File.expand_path(export_dir, Dir.pwd)
  docker :cp, [id, guest_export_dir].join(':'), host_export_dir
rescue Docker::Error => ex
  exit ex.exitstatus
ensure
  # Shutdown old containers
  unless containers.empty?
    docker :rm, '--force', *containers.reverse,
      verbose: false,
      capture: true
  end
end

#clean ⇒ Object 



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# File 'lib/cide/cli.rb', line 132

def clean
  setup_docker

  days_to_keep = options[:days]
  max_images = options[:count]

  x = docker('images', '--no-trunc', capture: true)
  iter = x.lines.each
  iter.next
  cide_image_ids = iter
    .map { |line| line.split(/\s+/) }
    .select { |line| line[0] =~ %r{^cide/} || line[0] == '<none>' }
    .map { |line| line[2] }

  if cide_image_ids.empty?
    puts 'No images found to be cleaned'
    return
  end

  x = docker('inspect', *cide_image_ids, capture: true)
  cide_images = JSON.parse(x.strip)
    .each { |image| image['Created'] = Time.iso8601(image['Created']) }
    .sort { |a, b| a['Created'] <=> b['Created'] }

  if cide_images.size > max_images
    old_cide_images = cide_images[0..-max_images]
      .map { |image| image['Id'] }
  else
    old_times = Time.now - (days_to_keep * 24 * 60 * 60)
    old_cide_images = cide_images
      .select { |image| image['Created'] < old_times }
      .map { |image| image['Id'] }
  end

  if old_cide_images.empty?
    puts 'No images found to be cleaned'
    return
  end

  docker('rmi', *old_cide_images)
end

#init ⇒ Object 



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# File 'lib/cide/cli.rb', line 175

def init
  puts "Creating #{CONFIG_FILE} with default values"
  create_file CONFIG_FILE, File.read(DEFAULT_CIDEFILE)
end