The v5.0 release of the forseti module is a backwards incompatible release.
Version 5.0.0 of this module introduces a breaking change. The various components of Forseti are in more granular submodules. If trying to apply a plan against a state created by a 4.x version of this module, will result in the destruction of existing Forseti resources.
Following these instructions will import existing Forseti infrastructure resources to a state compatible with version 5.x of this module.
A Cloud Shell walkthrough is provided to assist with migrating Forseti previously deployed with the Python installer. Completing this guide will also result in a Forseti deployment upgraded to the most recent version.
A Cloud Shell walkthrough is provided to assist with upgrading Forseti previously deployed with Terraform. Completing this guide will also result in a Forseti deployment upgraded to the most recent version.