terraform-internals

Package addrs contains types that represent "addresses", which are references to specific objects within a Terraform configuration or state.

Package configs contains types that represent Terraform configurations and the different elements thereof.

Package configload knows how to install modules into the .terraform/modules directory and to load modules from those installed locations.

Package configschema contains types for describing the expected structure of a configuration block whose shape is not known until runtime.

Package depsfile contains the logic for reading and writing Terraform's dependency lock and development override configuration files.

Package experiments contains the models and logic for opt-in experiments that can be activated for a particular Terraform module.

Package getmodules contains the low-level functionality for fetching remote module packages.

Package getproviders is the lowest-level provider automatic installation functionality.

Package ipaddr is a fork of a subset of the Go standard "net" package which retains parsing behaviors from Go 1.16 or earlier.

Package lang deals with the runtime aspects of Terraform's configuration language, with concerns such as expression evaluation.

Package blocktoattr includes some helper functions that can perform preprocessing on a HCL body where a configschema.Block schema is available in order to allow list and set attributes defined in the schema to be optionally written by the user as block syntax.

Package types contains non-standard cty types used only within Terraform.

Package modsdir is an internal package containing the model types used to represent the manifest of modules in a local modules cache directory.

Package regsrc provides helpers for working with source strings that identify resources within a Terraform registry.

Package replacefile is a small helper package focused directly at the problem of atomically "renaming" one file over another one.

Package tfdiags is a utility package for representing errors and warnings in a manner that allows us to produce good messages for the user.