Class: DockerBuilder::ManagerContainer

Inherits:
Object
  • Object
show all
Defined in:
lib/docker_builder/manager_container.rb

Class Method Summary collapse

Class Method Details

._install_service_container(settings) ⇒ Object

systemd service



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# File 'lib/docker_builder/manager_container.rb', line 195

def self._install_service_container(settings)
  # not work
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} install_container_service.rb )

  # work
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} -j config_run_install_container_service.json )

  # work
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} --override-runlist 'recipe[server-api::install_container_service]' )

  #
  cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} -j config/config-#{settings.name}.json --override-runlist 'recipe[server-api::install_container_service]' )
end

._remove_service_container(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 210

def self._remove_service_container(settings)
  cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} -j config/config-#{settings.name}.json --override-runlist 'recipe[server-api::remove_container_service]' )
end

.assert(expression, string = "Assert failed") ⇒ Object

common helpers



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# File 'lib/docker_builder/manager_container.rb', line 369

def self.assert(expression, string = "Assert failed")
  unless expression
    throw Exception.new string
  end
end

.assert_container_running(container_name) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 146

def self.assert_container_running(container_name)
  res = system("docker exec #{container_name} true")
  assert res, "Container #{container_name} is not running"
end

.chef_config_knife_path ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 349

def self.chef_config_knife_path
  "#{Config.dir_gem_root}/lib/docker_builder/chef/.chef/knife.rb"
end

.chef_recipe_path(p) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 353

def self.chef_recipe_path(p)
  "#{Config.dir_gem_root}/lib/docker_builder/chef/#{p}"
end

.chef_remove_data(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 358

def self.chef_remove_data(settings)
  #
  cmd %Q(cd #{Config.root_path} && chef exec knife node delete #{settings.chef_node_name}  -y -c #{chef_config_knife_path})

  # clean chef client, node
  cmd %Q(cd #{Config.root_path} && rm -f #{settings.filename_chef_node_json} )
  cmd %Q(cd #{Config.root_path} && rm -f #{settings.filename_chef_client_json} )
end

.clear_cache(name, settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 315

def self.clear_cache(name, settings)
  # common cache
  cmd("rm -rf ~/.chef/cache")
  cmd("rm -rf ~/.chef/local-mode-cache")

  # cache for server
  cmd("rm -rf #{settings.dir_server_root}/.chef/local-mode-cache")
  #cmd("rm -rf ~/.chef/package-cache")

  # cache in gem
  cmd("rm -rf #{Config.dir_gem_root}/lib/docker_builder/.chef/local-mode-cache")


end

.cmd(s) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 332

def self.cmd(s)
  Command.cmd(s)
end

.create_container(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 58

def self.create_container(settings)
  # create
  net_options = ""
  networks = settings['docker'].fetch('network', {}).fetch('networks', [])
  if networks && networks[0]
    network = networks[0]
    #puts "network=#{network}"
    net_options << "--net #{network['net']} "
    net_options << "--ip #{network['ip']} "  if network['ip']
    net_options << "--mac-address #{network['mac_address']} "  if network['mac_address']
  end


  cmd %Q(docker create --name #{settings.container_name} #{net_options} #{settings.docker_ports_string} #{settings.docker_volumes_string} #{settings.docker_volumes_from_string} #{settings.docker_links_string}  #{settings.run_extra_options_string} #{settings.run_env_variables_string} #{settings.image_name} #{settings['docker']['command']} #{settings['docker']['run_options']})

  # network
  setup_network(settings)
end

.destroy_container(server_name, settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 240

def self.destroy_container(server_name, settings)
  puts "destroying container #{server_name}..."

  # TODO: stop, remove systemd service
  #res_service = _remove_service_container(settings)

  #
  cmd %Q(docker rm -f #{settings.container_name} )



  # if chef
  if settings['build']['build_type']=='chef'
    return destroy_container_chef(settings)
  end

  #
  return true
end

.destroy_container_chef(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 261

def self.destroy_container_chef(settings)
  # destroy temp container
  cmd %Q(docker rm -f chef-converge.#{settings.image_name} )

  #
  res_chef = run_chef_recipe(settings, 'chef_destroy_container.rb')
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} chef_destroy_container.rb)

  #
  chef_remove_data(settings)

end

.exec_task(server_name, recipe_name) ⇒ Object

run task on running container



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# File 'lib/docker_builder/manager_container.rb', line 291

def self.exec_task(server_name, recipe_name)
  #raise 'not implemented'

  settings = load_settings(server_name)

  # check script exists
  script_path = "#{settings.name}/cookbooks/#{settings.name}/recipes/#{recipe_name}.rb"
  f = File.expand_path('.', script_path)

  if !File.exists?(f)
    puts "script not found: #{f}. Skipping"
    return false
  end

  #
  cmd %Q(SERVER_NAME=#{settings.name} chef-client -z --override-runlist 'recipe[server-api::exec_container]' )
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} --override-runlist 'recipe[#{settings.name}::#{recipe_name}]' )
  #cmd %Q(SERVER_NAME=#{settings.name} chef-client -z -N #{settings.name} chef_exec_container.rb )

  return true
end

.run_chef_recipe(settings, recipe_rb) ⇒ Object

helpers - chef



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# File 'lib/docker_builder/manager_container.rb', line 340

def self.run_chef_recipe(settings, recipe_rb)
  cmd %Q(cd #{Config.root_path} && SERVER_NAME=#{settings.name} SERVER_PATH=#{settings.dir_server_root} chef exec chef-client -z -N #{settings.container_name} -j #{settings.filename_config_json} -c #{chef_config_knife_path} #{chef_recipe_path(recipe_rb)} )
end

.run_chef_recipe_server_recipe(settings, server_recipe) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 344

def self.run_chef_recipe_server_recipe(settings, server_recipe)
  cmd %Q(cd #{Config.root_path} && SERVER_NAME=#{settings.name} SERVER_PATH=#{settings.dir_server_root} chef exec chef-client -z -N #{settings.container_name} -c #{chef_config_knife_path} --override-runlist 'recipe[#{settings.name}::#{server_recipe}]' )
end

.run_container(server_name, settings = {}) ⇒ Object

run



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# File 'lib/docker_builder/manager_container.rb', line 32

def self.run_container(server_name, settings={})
  puts "creating and running container.."
  #settings = load_settings(server_name)

  # generate config
  save_config_json(settings)


  # destroy
  destroy_container(server_name, settings)

  # create
  create_container(settings)


  # START && run provision after start
  start_container(name, settings)


  # TODO: systemd service
  #res_service = _install_service_container(settings)


  true
end

.save_chef_config(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 4

def self.save_chef_config(settings)
  require 'json'
  filename = settings.filename_chef_config
  FileUtils.mkdir_p(File.dirname(filename))
  File.open(filename,"w+") do |f|
    f.write(settings.all_attributes.to_json)
  end

  true
end

.save_config_json(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 16

def self.save_config_json(settings)
  require 'json'
  filename = settings.filename_config_json
  FileUtils.mkdir_p(File.dirname(filename))
  File.open(filename,"w+") do |f|
    f.write(settings.all_attributes.to_json)
  end

  true
end

.setup_container_after_start(settings) ⇒ Object

def self._prepare_provision_before_start_chef(settings, script)

  puts "_prepare_provision_before_start_chef"

  require_relative '../../lib/docker_builder/provisioner/provisioner_chef'

  provisioner = DockerBuilder::Provisioner::Chef.new(settings)
  provisioner.copy_config_file

end



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# File 'lib/docker_builder/manager_container.rb', line 164

def self.setup_container_after_start(settings)

  # default gateway
  network = settings['docker']['network']
  if network
    gateway = network['default_gateway']

    if gateway
      # fix default gateway
      #cmd %Q(docker exec #{settings.container_name} ip route change default via #{gateway} dev eth1)
      cmd %Q(docker exec #{settings.container_name} ip route change default via #{gateway})
    end
  end



  # fix hosts
  container_hosts = settings['docker']['hosts'] || []
  container_hosts.each do |r|
    #cmd %Q(docker exec #{settings.container_name} bash -c 'echo "#{r[0]} #{r[1]}" >>  /etc/hosts')
    cmd %Q(docker exec #{settings.container_name} sh -c 'echo "#{r[0]} #{r[1]}" >>  /etc/hosts')
  end
end

.setup_network(settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 78

def self.setup_network(settings)
  container_name = settings.container_name

  # networks
  networks = settings['docker'].fetch('network', {}).fetch('networks', [])
  if networks
    ind = 0
    networks.each do |net|
      ind = ind + 1

      #
      next if net['action']=='remove'

      # skip first network
      next if ind==1

      # connect
      ip = net['ip']
      s_ip = "--ip #{ip}" if ip
      #puts %Q(docker network connect #{s_ip}  #{net['net']} #{settings.container_name})
      cmd %Q(docker network connect #{s_ip}  #{net['net']} #{settings.container_name})
    end

    # remove
    networks.each do |net|
      next unless net['action']=='remove'
      cmd %Q(docker network disconnect #{net['net']} #{settings.container_name})
    end
  end
end

.start_container(name, settings) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 112

def self.start_container(name, settings)
  ### BEFORE START
  # run setup provision scripts
  DockerBuilder::Provisioner::Base.run_provision_scripts_setup(settings)


  ### start
  cmd %Q(docker start #{settings.container_name})

  # wait
  wait_until_running(settings.container_name)

  ### AFTER START

  # setup
  setup_container_after_start(settings)

  # provision after start
  # run bootstrap provision scripts
  DockerBuilder::Provisioner::Base.run_provision_scripts_bootstrap(settings)

end

.stop_container(server_name, settings) ⇒ Object

stop container



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# File 'lib/docker_builder/manager_container.rb', line 279

def self.stop_container(server_name, settings)
  puts "stopping container #{server_name}..."

  #
  cmd %Q(docker stop #{settings.container_name} )

  #
  return true
end

.wait_until_running(container_name) ⇒ Object 



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# File 'lib/docker_builder/manager_container.rb', line 136

def self.wait_until_running(container_name)
  retries = 10
  until system("docker exec #{container_name} true") || retries < 0
    sleep 1
    retries = retries - 1
  end

  assert_container_running(container_name)
end