def _add_rds_extension(parameter_pool, option_settings, option_to_remove):
region = parameter_pool.get_value(ParameterName.Region)
#Generate snippet
env_name = parameter_pool.get_value(ParameterName.EnvironmentName)
if has_rds_instance(parameter_pool, env_name):
spec = None
else:
spec = TemplateSpecification()
snippet = TemplateSnippet()
snippet.snippet_name = RdsDefault.SnippetName
snippet.source_url = RdsDefault.get_snippet_url(region)
snippet.order = RdsDefault.SnippetAddOrder
spec.template_snippets = [snippet]
#Add/update option settings
#TODO: change option_settings to o(1) structure while retain order for output
for pname in RdsDefault.OptionMinSet:
if parameter_pool.has(pname) and parameter_pool.get_value(pname) is not None:
_update_option_setting(option_settings,
RdsDefault.Namespace,
RdsDefault.OptionNames[pname],
parameter_pool.get_value(pname))
_trim_rds_options(option_settings, option_to_remove)
return spec
def _remove_rds_extension(parameter_pool, option_settings, option_to_remove):
region = parameter_pool.get_value(ParameterName.Region)
#Generate snippet
spec = TemplateSpecification()
snippet = TemplateSnippet()
snippet.snippet_name = RdsDefault.SnippetName
snippet.source_url = RdsDefault.get_snippet_url(region)
snippet.order = RdsDefault.SnippetRemoveOrder
spec.template_snippets = [snippet]
#Remove option settings
for pname in RdsDefault.OptionNames:
_remove_option_setting(option_settings,
option_to_remove,
RdsDefault.Namespace,
RdsDefault.OptionNames[pname])
return spec
