#
# === Class: openstack::db::mysql
#
# Create MySQL databases for all components of
# OpenStack that require a database
#
# === Parameters
#
# [mysql_root_password] Root password for mysql. Required.
# [keystone_db_password] Password for keystone database. Required.
# [glance_db_password] Password for glance database. Required.
# [nova_db_password] Password for nova database. Required.
# [cinder_db_password] Password for cinder database. Required.
# [neutron_db_password] Password for neutron database. Required.
# [ceilometer_db_password] Password for ceilometer database. Required.
# [mysql_bind_address] Address that mysql will bind to. Optional .Defaults to '0.0.0.0'.
# [mysql_account_security] If a secure mysql db should be setup. Optional .Defaults to true.
# [mysql_ssl] Enable SSL in the mysql server. Default is false.
# [mysql_ca] The path to the CA certificate in PEM format.
# [mysql_cert] The path to the server certificate in PEM format.
# [mysql_key] The path to the server private key in PEM format, unencrypted.
# [keystone_db_user] DB user for keystone. Optional. Defaults to 'keystone'.
# [keystone_db_dbname] DB name for keystone. Optional. Defaults to 'keystone'.
# [glance_db_user] DB user for glance. Optional. Defaults to 'glance'.
# [glance_db_dbname]. Name of glance DB. Optional. Defaults to 'glance'.
# [nova_db_user]. Name of nova DB user. Optional. Defaults to 'nova'.
# [nova_db_dbname]. Name of nova DB. Optional. Defaults to 'nova'.
# [cinder]. Whether create cinder db. Optional. Defaults to 'true'.
# [cinder_db_user]. Name of cinder DB user. Optional. Defaults to 'cinder'.
# [cinder_db_dbname]. Name of cinder DB. Optional. Defaults to 'cinder'.
# [neutron]. Whether create neutron db. Optional. Defaults to 'true'.
# [neutron_db_user]. Name of neutron DB user. Optional. Defaults to 'neutron'.
# [neutron_db_dbname]. Name of neutron DB. Optional. Defaults to 'neutron'.
# [ceilometer]. Whether create ceilometer db. Optional. Defaults to 'true'.
# [ceilometer_db_user]. Name of ceilometer DB user. Optional. Defaults to 'ceilometer'.
# [ceilometer_db_dbname]. Name of ceilometer DB. Optional. Defaults to 'ceilometer'.
# [allowed_hosts] List of hosts that are allowed access. Optional. Defaults to false.
# [charset] Name of mysql charset. Optional. Defaults to 'latin1'.
# [enabled] If the db service should be started. Optional. Defaults to true.
#
# === Example
#
# class { 'openstack::db::mysql':
#    mysql_root_password  => 'changeme',
#    keystone_db_password => 'changeme',
#    glance_db_password   => 'changeme',
#    nova_db_password     => 'changeme',
#    cinder_db_password   => 'changeme',
#    neutron_db_password  => 'changeme',
#    allowed_hosts        => ['127.0.0.1', '10.0.0.%'],
#  }
class openstack::db::mysql (
    # Required MySQL
    # passwords
    $mysql_root_password,
    $keystone_db_password,
    $glance_db_password,
    $nova_db_password,
    $cinder_db_password,
    $neutron_db_password,
    #TODO(yuxcer) b/c ceilometer codes has not been merged in
    # openstack::all and some other class which use openstack::db::mysql,
    # so if not set default value, it will lead spec test fail.
    # This default value should be removed as soon as related
    # ceilometer code has been added.
    $ceilometer_db_password = false,
    # MySQL
    $mysql_bind_address     = '0.0.0.0',
    $mysql_account_security = true,
    $mysql_ssl              = false,
    $mysql_ca               = undef,
    $mysql_cert             = undef,
    $mysql_key              = undef,
    # Keystone
    $keystone_db_user       = 'keystone',
    $keystone_db_dbname     = 'keystone',
    # Glance
    $glance_db_user         = 'glance',
    $glance_db_dbname       = 'glance',
    # Nova
    $nova_db_user           = 'nova',
    $nova_db_dbname         = 'nova',
    # Cinder
    $cinder                 = true,
    $cinder_db_user         = 'cinder',
    $cinder_db_dbname       = 'cinder',
    # Neutron
    $neutron                = true,
    $neutron_db_user        = 'neutron',
    $neutron_db_dbname      = 'neutron',
    # Ceilometer
    $ceilometer             = false,
    $ceilometer_db_user     = 'ceilometer',
    $ceilometer_db_dbname   = 'ceilometer',
    # General
    $allowed_hosts          = false,
    $charset                = 'latin1',
    $enabled                = true
) {

  # Install and configure MySQL Server
  class { 'mysql::server':
    config_hash => {
      'root_password' => $mysql_root_password,
      'bind_address'  => $mysql_bind_address,
      'ssl'           => $mysql_ssl,
      'ssl_ca'        => $mysql_ca,
      'ssl_cert'      => $mysql_cert,
      'ssl_key'       => $mysql_key,
    },
    enabled     => $enabled,
  }

  # This removes default users and guest access
  if $mysql_account_security {
    class { 'mysql::server::account_security': }
  }

  if ($enabled) {
    # Create the Keystone db
    class { 'keystone::db::mysql':
      user          => $keystone_db_user,
      password      => $keystone_db_password,
      dbname        => $keystone_db_dbname,
      allowed_hosts => $allowed_hosts,
      charset       => $charset,
    }

    # Create the Glance db
    class { 'glance::db::mysql':
      user          => $glance_db_user,
      password      => $glance_db_password,
      dbname        => $glance_db_dbname,
      allowed_hosts => $allowed_hosts,
      charset       => $charset,
    }

    # Create the Nova db
    class { 'nova::db::mysql':
      user          => $nova_db_user,
      password      => $nova_db_password,
      dbname        => $nova_db_dbname,
      allowed_hosts => $allowed_hosts,
      charset       => $charset,
    }

    # create cinder db
    if ($cinder) {
      class { 'cinder::db::mysql':
        user          => $cinder_db_user,
        password      => $cinder_db_password,
        dbname        => $cinder_db_dbname,
        allowed_hosts => $allowed_hosts,
        charset       => $charset,
      }
    }

    # create neutron db
    if ($neutron) {
      class { 'neutron::db::mysql':
        user          => $neutron_db_user,
        password      => $neutron_db_password,
        dbname        => $neutron_db_dbname,
        allowed_hosts => $allowed_hosts,
        charset       => $charset,
      }
    }

    if ($ceilometer) {
      class { 'ceilometer::db::mysql':
        user          => $ceilometer_db_user,
        password      => $ceilometer_db_password,
        dbname        => $ceilometer_db_dbname,
        allowed_hosts => $allowed_hosts,
        charset       => $charset,
      }
    }
  }
}