AWS STS exemples d'utilisation du SDK pour Ruby

  # Creates an AWS Security Token Service (AWS STS) client with specified credentials.
  # This is separated into a factory function so that it can be mocked for unit testing.
  #
  # @param key_id [String] The ID of the access key used by the STS client.
  # @param key_secret [String] The secret part of the access key used by the STS client.
  def create_sts_client(key_id, key_secret)
    Aws::STS::Client.new(access_key_id: key_id, secret_access_key: key_secret)
  end

  # Gets temporary credentials that can be used to assume a role.
  #
  # @param role_arn [String] The ARN of the role that is assumed when these credentials
  #                          are used.
  # @param sts_client [AWS::STS::Client] An AWS STS client.
  # @return [Aws::AssumeRoleCredentials] The credentials that can be used to assume the role.
  def assume_role(role_arn, sts_client)
    credentials = Aws::AssumeRoleCredentials.new(
      client: sts_client,
      role_arn: role_arn,
      role_session_name: 'create-use-assume-role-scenario'
    )
    @logger.info("Assumed role '#{role_arn}', got temporary credentials.")
    credentials
  end