text: /*
   * Copyright (c) 2018, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2.0,
   * as published by the Free Software Foundation.
   *
   * This program is also distributed with certain software (including
   * but not limited to OpenSSL) that is licensed under separate terms, as
   * designated in a particular file or component or in included license
   * documentation.  The authors of MySQL hereby grant you an additional
   * permission to link the program and your derivative works with the
   * separately licensed software that they have included with MySQL.
   * This program is distributed in the hope that it will be useful,  but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
   * the GNU General Public License, version 2.0, for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef MODULES_ADMINAPI_CLUSTER_OPTIONS_H_
  #define MODULES_ADMINAPI_CLUSTER_OPTIONS_H_
  
  #include <map>
  #include <string>
  #include <vector>
  
  #include "modules/adminapi/cluster/cluster_impl.h"
  #include "modules/command_interface.h"
  
  namespace mysqlsh {
  namespace dba {
  namespace cluster {
  
  class Options : public Command_interface {
   public:
    Options(const Cluster_impl &cluster, bool all);
  
    ~Options() override;
  
    /**
     * Prepare the cluster Options command for execution.
     * Validates parameters and others, more specifically:
     *   - Gets the current members list
     *   - Connects to every Cluster member and populates the internal
     * connection lists
     */
    void prepare() override;
  
    /**
     * Execute the cluster Options command.
     * More specifically:
     * - Obtains the Cluster's configuration options and iterates through all of
     * the Cluster's instance to obtain the configuration options
     *
     * @return an shcore::Value containing a dictionary object with the command
     * output
     */
    shcore::Value execute() override;
  
    /**
     * Rollback the command.
     *
     * NOTE: Not currently used (does nothing).
     */
    void rollback() override;
  
    /**
     * Finalize the command execution.
     * More specifically:
     * - Reset all auxiliary (temporary) data used for the operation execution.
     */
    void finish() override;
  
   private:
    const Cluster_impl &m_cluster;
    bool m_all = false;
  
    std::vector<Instance_metadata> m_instances;
    std::map<std::string, std::shared_ptr<Instance>> m_member_sessions;
    std::map<std::string, std::string> m_member_connect_errors;
  
    shcore::Value get_cluster_options();
  
    void connect_to_members();
  
    shcore::Array_t collect_global_options();
  
    shcore::Array_t get_instance_options(const mysqlsh::dba::Instance &instance);
  
    shcore::Dictionary_t collect_default_replicaset_options();
  };
  
  }  // namespace cluster
  }  // namespace dba
  }  // namespace mysqlsh
  
  #endif  // MODULES_ADMINAPI_CLUSTER_OPTIONS_H_
  