puppet-sahara/manifests/db.pp
Giulio Fidente 0d4b0cc71f Add support for db_max_retries param
The db_max_retries parameter regulates the number of reconnection
attempts performed after an error raised rather than at startup.

Change-Id: I55a5df7f6ba9cc2d62b745e027f3059b45061352
Closes-Bug: 1579718
2016-05-09 13:44:25 +02:00

76 lines
3.2 KiB
Puppet

# == Class: sahara:db
#
# Configure the Sahara database
#
# == Parameters
#
# [*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_connection*]
# (Optional) The connection string to use to connect to the database.
# Defaults to 'mysql+pymysql://sahara:secrete@localhost:3306/sahara'
#
# [*database_max_retries*]
# (Optional) Maximum number of database connection retries during startup.
# Set to -1 to specify an infinite retry count.
# Defaults to $::os_service_default.
#
# [*database_idle_timeout*]
# (Optional) Timeout before idle SQL connections are reaped.
# 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 sahara::db (
$database_db_max_retries = $::os_service_default,
$database_connection = 'mysql+pymysql://sahara:secrete@localhost:3306/sahara',
$database_idle_timeout = $::os_service_default,
$database_min_pool_size = $::os_service_default,
$database_max_pool_size = $::os_service_default,
$database_max_retries = $::os_service_default,
$database_retry_interval = $::os_service_default,
$database_max_overflow = $::os_service_default,
) {
# NOTE(degorenko): In order to keep backward compatibility we rely on the pick function
# to use sahara::<myparam> if sahara::db::<myparam> isn't specified.
$database_connection_real = pick($::sahara::database_connection, $database_connection)
$database_idle_timeout_real = pick($::sahara::database_idle_timeout, $database_idle_timeout)
$database_min_pool_size_real = pick($::sahara::database_min_pool_size, $database_min_pool_size)
$database_max_pool_size_real = pick($::sahara::database_max_pool_size, $database_max_pool_size)
$database_max_retries_real = pick($::sahara::database_max_retries, $database_max_retries)
$database_retry_interval_real = pick($::sahara::database_retry_interval, $database_retry_interval)
$database_max_overflow_real = pick($::sahara::database_max_overflow, $database_max_overflow)
validate_re($database_connection_real,
'^(mysql(\+pymysql)?|postgresql):\/\/(\S+:\S+@\S+\/\S+)?')
oslo::db { 'sahara_config':
db_max_retries => $database_db_max_retries,
connection => $database_connection_real,
idle_timeout => $database_idle_timeout_real,
min_pool_size => $database_min_pool_size_real,
max_pool_size => $database_max_pool_size_real,
max_retries => $database_max_retries_real,
retry_interval => $database_retry_interval_real,
max_overflow => $database_max_overflow_real,
}
}