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

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

Constant Summary

Constants included from Helpers

Helpers::DEPLOYMENTS_FILE

Instance Attribute Summary

Attributes inherited from Bosh::Deployer::InstanceManager

#renderer, #state

Instance Method Summary collapse

Methods included from Bosh::Deployer::InstanceManagerHelpers

#process_exists?, #socket_readable?, #tunnel

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, #with_lifecycle

Methods included from Helpers

#cloud_plugin, #dig_hash, #is_tgz?

Constructor Details

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

Instance Method Details

#configure ⇒ Object 



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# File 'lib/deployer/instance_manager/aws.rb', line 24

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("aws_registry_db")
  @registry_db_url = "sqlite://#{@registry_db.path}"

  registry_config = {
    "logfile" => "./aws_registry.log",
    "http" => {
      "port" => uri.port,
      "user" => user,
      "password" => password
    },
    "db" => {
      "database" => @registry_db_url
    },
    "aws" => properties["aws"]
  }

  @registry_config = Tempfile.new("aws_registry_yml")
  @registry_config.write(YAML.dump(registry_config))
  @registry_config.close
end

#discover_bosh_ip ⇒ Object 



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# File 'lib/deployer/instance_manager/aws.rb', line 125

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

  super
end

#disk_size(cid) ⇒ Integer

Returns size in MiB.

Returns:

  • (Integer) —

    size in MiB



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# File 'lib/deployer/instance_manager/aws.rb', line 150

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

Returns:

  • (Boolean) 


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# File 'lib/deployer/instance_manager/aws.rb', line 155

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/deployer/instance_manager/aws.rb', line 145

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

#start ⇒ Object 



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# File 'lib/deployer/instance_manager/aws.rb', line 62

def start
  configure()

  Sequel.connect(@registry_db_url) do |db|
    migrate(db)
    instances = @deployments["aws_instances"]
    db[:aws_instances].insert_multiple(instances) if instances
  end

  unless has_aws_registry?
    err "aws_registry command not found - " +
      "run 'gem install bosh_aws_registry'"
  end

  cmd = "aws_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 => e
    if timeout_time - Time.now.to_f > 0
      retry
    else
      err "Cannot access aws_registry: #{e.message}"
    end
  end
  logger.info("aws_registry is ready on port #{@registry_port}")
ensure
  @registry_config.unlink if @registry_config
end

#stop ⇒ Object 



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# File 'lib/deployer/instance_manager/aws.rb', line 104

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

  return unless @registry_db_url

  Sequel.connect(@registry_db_url) do |db|
    @deployments["aws_instances"] = db[:aws_instances].map {|row| row}
  end

  save_state
  @registry_db.unlink if @registry_db
end

#update_spec(spec) ⇒ Object

TODO extract



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# File 'lib/deployer/instance_manager/aws.rb', line 11

def update_spec(spec)
  properties = spec.properties

  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

#wait_until_agent_ready ⇒ Object 



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# File 'lib/deployer/instance_manager/aws.rb', line 120

def wait_until_agent_ready
  tunnel(@registry_port)
  super
end