# == Class: barometer::db
#
#  Configure the barometer database
#
# === Parameters
#
# [*database_connection*]
#   (Optional) Url used to connect to database.
#   Defaults to 'sqlite:////var/lib/barometer/barometer.sqlite'.
#
# [*database_idle_timeout*]
#   (Optional) Timeout when db connections should be reaped.
#   Defaults to $::os_service_default
#
# [*database_db_max_retries*]
#   (optional) Maximum retries in case of connection error or deadlock error
#   before error is raised. Set to -1 to specify an infinite retry count.
#   Defaults to $::os_service_default
#
# [*database_max_retries*]
#   (Optional) Maximum number of database connection retries during startup.
#   Setting -1 implies an infinite retry count.
#   Defaults to $::os_service_default
#
# [*database_retry_interval*]
#   (Optional) Interval between retries of opening a database connection.
#   Defaults to $::os_service_default
#
# [*database_min_pool_size*]
#   (Optional) Minimum number of SQL connections to keep open in a pool.
#   Defaults to $::os_service_default
#
# [*database_max_pool_size*]
#   (Optional)Maximum number of SQL connections to keep open in a pool.
#   Defaults to $::os_service_default
#
# [*database_max_overflow*]
#   (Optional) If set, use this value for max_overflow with sqlalchemy.
#   Defaults to $::os_service_default
#
class barometer::db (
  $database_connection     = 'sqlite:////var/lib/barometer/barometer.sqlite',
  $database_idle_timeout   = $::os_service_default,
  $database_min_pool_size  = $::os_service_default,
  $database_max_pool_size  = $::os_service_default,
  $database_db_max_retries = $::os_service_default,
  $database_max_retries    = $::os_service_default,
  $database_retry_interval = $::os_service_default,
  $database_max_overflow   = $::os_service_default,
) {

  validate_re($database_connection,
    '^(sqlite|mysql(\+pymysql)?|postgresql):\/\/(\S+:\S+@\S+\/\S+)?')

  oslo::db { 'barometer_config':
    connection     => $database_connection,
    idle_timeout   => $database_idle_timeout,
    min_pool_size  => $database_min_pool_size,
    db_max_retries => $database_db_max_retries,
    max_retries    => $database_max_retries,
    retry_interval => $database_retry_interval,
    max_pool_size  => $database_max_pool_size,
    max_overflow   => $database_max_overflow,
  }
}