Class: Spurious::Server::State::Init

Inherits:
Base
  • Object
show all
Defined in:
lib/spurious/server/state/init.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#config, #connection

Instance Method Summary collapse

Methods inherited from Base

#connection_timeouts

Constructor Details

#initialize(connection, config, docker_host) ⇒ Init

Returns a new instance of Init.



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# File 'lib/spurious/server/state/init.rb', line 12

def initialize(connection, config, docker_host)
  super(connection, config)
  connection_timeouts 2, 3600, 3600
  @docker_host = docker_host
end

Instance Attribute Details

#completed_containers ⇒ Object

Returns the value of attribute completed_containers.



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# File 'lib/spurious/server/state/init.rb', line 10

def completed_containers
  @completed_containers
end

#docker_host ⇒ Object

Returns the value of attribute docker_host.



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# File 'lib/spurious/server/state/init.rb', line 10

def docker_host
  @docker_host
end

Instance Method Details

#execute! ⇒ Object 



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# File 'lib/spurious/server/state/init.rb', line 18

def execute!

  raise "Containers have already been initilised, please run 'spurious start'" if spurious_containers.length > 0



  send("Pulling containers from the registry can take some time, please be patient...", :info, false, :blue)

  containers = app_config.length
  index = 0

  app_config.each do |name, meta|
    image_meta = {}.tap do |h|
      h['fromImage'] = meta[:image]
      h['Env']       = meta[:env] unless meta[:env].nil?
    end
    container_cmd = []

    if meta[:image] == 'spurious/s3'
      container_cmd = ['-H', meta[:hostname]]
    end

    create_container = Proc.new do
      begin
        send "Creating #{name} container", :debug
        Docker::Container.create("name" => name, "Image" => meta[:image], 'Cmd' => container_cmd)
      rescue Docker::Error::ArgumentError, Docker::Error::NotFoundError
      rescue Excon::Errors::Conflict
        error "#{name} container already exists"
      end
      index = index + 1
      operation_complete(containers == index)
    end

    create_image = Proc.new do
      begin
        send "Pulling latest version of #{name} from registry", :debug
        Docker::Image.create(image_meta)
      rescue Docker::Error::ArgumentError, Docker::Error::NotFoundError, Excon::Errors::Timeout, Excon::Errors::SocketError
      end
    end

    EM.defer(create_image, create_container)
  end
end

#operation_complete(complete) ⇒ Object 



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# File 'lib/spurious/server/state/init.rb', line 64

def operation_complete(complete)
  if complete
    send("#{app_config.length} containers successfully initialized", :info, false, :green)
    send("Please add the following to your /etc/hosts file:\n\n#{docker_host} sqs.spurious.localhost s3.spurious.localhost dynamodb.spurious.localhost browser.spurious.localhost\n", :info, true, :blue)
  end
end