in lib/aws-rails-provisioner/db_cluster.rb [223:234]
def _default_family
case @engine
when 'AURORA_POSTGRESQL' then 'aurora-postgresql11'
when 'AURORA_MYSQL' then 'aurora-mysql5.7'
when 'AURORA' then 'aurora5.6'
else
msg = 'Failed to locate a default family type for :engine'\
' provided, please provide :family for :parameter_group'
raise Aws::RailsProvisioner::Errors::ValidationError, msg
end
end