Class: Bosh::Deployer::InstanceManager::Aws

Inherits:
Bosh::Deployer::InstanceManager show all
Defined in:
lib/bosh/deployer/instance_manager/aws.rb

Constant Summary

Constants inherited from Bosh::Deployer::InstanceManager

CONNECTION_EXCEPTIONS

Constants included from Helpers

Helpers::DEPLOYMENTS_FILE

Instance Attribute Summary

Attributes inherited from Bosh::Deployer::InstanceManager

#renderer, #state

Instance Method Summary collapse

Methods inherited from Bosh::Deployer::InstanceManager

#agent, #apply, #attach_disk, #attach_missing_disk, #check_dependencies, #check_persistent_disk, #cloud, create, #create, #create_deployment, #create_disk, #create_stemcell, #create_vm, #delete_deployment, #delete_disk, #destroy, #detach_disk, #disk_info, #disk_model, #exists?, #initialize, #instance_model, #logger, #migrate_disk, #mount_disk, #step, #unmount_disk, #update, #update_deployment, #update_persistent_disk, #update_vm_metadata, #with_lifecycle

Methods included from Helpers

#close_ssh_sessions, #cloud_plugin, #dig_hash, #is_tgz?, #process_exists?, #remote_tunnel, #socket_readable?, #strip_relative_path

Constructor Details

This class inherits a constructor from Bosh::Deployer::InstanceManager

Instance Method Details

#configure ⇒ Object

rubocop:disable MethodLength



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 22

def configure
  properties = Config.cloud_options['properties']
  @ssh_user = properties['aws']['ssh_user']
  @ssh_port = properties['aws']['ssh_port'] || 22
  @ssh_wait = properties['aws']['ssh_wait'] || 60

  key = properties['aws']['ec2_private_key']
  err 'Missing properties.aws.ec2_private_key' unless key
  @ssh_key = File.expand_path(key)
  unless File.exists?(@ssh_key)
    err "properties.aws.ec2_private_key '#{key}' does not exist"
  end

  uri = URI.parse(properties['registry']['endpoint'])
  user, password = uri.userinfo.split(':', 2)
  @registry_port = uri.port

  @registry_db = Tempfile.new('bosh_registry_db')

  @registry_connection_settings = {
      'adapter' => 'sqlite',
      'database' => @registry_db.path
  }

  registry_config = {
    'logfile' => './bosh-registry.log',
    'http' => {
      'port' => uri.port,
      'user' => user,
      'password' => password
    },
    'db' => @registry_connection_settings,
    'cloud' => {
      'plugin' => 'aws',
      'aws' => properties['aws']
    }
  }

  @registry_config = Tempfile.new('bosh_registry_yml')
  @registry_config.write(Psych.dump(registry_config))
  @registry_config.close
end

#discover_bosh_ip ⇒ Object 



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 127

def discover_bosh_ip
  if exists?
    # choose elastic IP over public, as any agent connecting to the
    # deployed micro bosh will be cut off from the public IP when
    # we re-deploy micro bosh
    if cloud.ec2.instances[state.vm_cid].has_elastic_ip?
      ip = cloud.ec2.instances[state.vm_cid].elastic_ip.public_ip
    else
      ip = cloud.ec2.instances[state.vm_cid].public_ip_address
    end

    if ip && ip != Config.bosh_ip
      Config.bosh_ip = ip
      logger.info("discovered bosh ip=#{Config.bosh_ip}")
    end
  end

  super
end

#disk_size(cid) ⇒ Integer 



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 152

def disk_size(cid)
  # AWS stores disk size in GiB but the CPI uses MiB
  cloud.ec2.volumes[cid].size * 1024
end

#persistent_disk_changed? ⇒ Boolean 



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 157

def persistent_disk_changed?
  # since AWS stores disk size in GiB and the CPI uses MiB there
  # is a risk of conversion errors which lead to an unnecessary
  # disk migration, so we need to do a double conversion
  # here to avoid that
  requested = (Config.resources['persistent_disk'] / 1024.0).ceil * 1024
  requested != disk_size(state.disk_cid)
end

#service_ip ⇒ Object 



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 147

def service_ip
  cloud.ec2.instances[state.vm_cid].private_ip_address
end

#start ⇒ Object

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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 67

def start
  configure

  Sequel.connect(@registry_connection_settings) do |db|
    migrate(db)
    instances = @deployments['registry_instances']
    db[:registry_instances].insert_multiple(instances) if instances
  end

  unless has_bosh_registry?
    err 'bosh-registry command not found - ' +
      "run 'gem install bosh-registry'"
  end

  cmd = "bosh-registry -c #{@registry_config.path}"

  @registry_pid = spawn(cmd)

  5.times do
    sleep 0.5
    if Process.waitpid(@registry_pid, Process::WNOHANG)
      err "`#{cmd}` failed, exit status=#{$?.exitstatus}"
    end
  end

  timeout_time = Time.now.to_f + (60 * 5)
  http_client = HTTPClient.new
  begin
    http_client.head("http://127.0.0.1:#{@registry_port}")
    sleep 0.5
  rescue URI::Error, SocketError, Errno::ECONNREFUSED, HTTPClient::ReceiveTimeoutError => e
    if timeout_time - Time.now.to_f > 0
      retry
    else
      err "Cannot access bosh-registry: #{e.message}"
    end
  end

  logger.info("bosh-registry is ready on port #{@registry_port}")
ensure
  @registry_config.unlink if @registry_config
end

#stop ⇒ Object

rubocop:enable MethodLength



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 111

def stop
  if @registry_pid && process_exists?(@registry_pid)
    Process.kill('INT', @registry_pid)
    Process.waitpid(@registry_pid)
  end

  return unless @registry_connection_settings

  Sequel.connect(@registry_connection_settings) do |db|
    @deployments['registry_instances'] = db[:registry_instances].map { |row| row }
  end

  save_state
  @registry_db.unlink if @registry_db
end

#update_spec(spec) ⇒ Object 



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# File 'lib/bosh/deployer/instance_manager/aws.rb', line 4

def update_spec(spec)
  properties = spec.properties

  # pick from micro_bosh.yml the aws settings in
  # `apply_spec` section (apply_spec.properties.aws),
  # and if it doesn't exist, use the bosh deployer
  # aws properties (cloud.properties.aws)
  properties['aws'] =
    Config.spec_properties['aws'] ||
    Config.cloud_options['properties']['aws'].dup

  properties['aws']['registry'] = Config.cloud_options['properties']['registry']
  properties['aws']['stemcell'] = Config.cloud_options['properties']['stemcell']

  spec.delete('networks')
end