A full list of available providers can be browsed using the Terraform registry.ĭuring terraform init the registry is searched for those providers that are specified directly in the configuration files but also searches for providers that are not specified directly (indirect). Common providers include azurerm for Microsoft Azure, azuread for Azure Active Directory, and aws for Amazon Web Services.
There are hundreds of available providers which allow Terraform to be used with different services. Most Terraform providers are published separately from Terraform as plugins. It is, for this reason, the -get=false flag should be used with caution. Note that Terraform builds an internal ‘module tree’ when terraform init is run, and if this is not complete, then other steps performed by terraform init will not complete successfully. To force all modules to be re-installed, the -upgrade flag can be specified.Ĭhild module installation can also be skipped by using the -get=false flag, this should only be used if the child modules have already been installed and no additions, deletions, or changes to the modules have been made. It will, however, install any modules added since the last time terraform init was executed. Re-running the terraform init command will not amend any modules that have already been installed if the configuration of those modules has not been changed. If the code is remote, it will be downloaded from the source specified to a local directory so it can be used by other Terraform commands.Īfter adding, removing, or modifying module blocks, terraform init must be run again in order for Terraform to make the necessary adjustments that have been defined in the configuration. The source of a module block can point to a local module, or a remote source such as a module held in a central repository, GitHub, Bitbucket, or a module in the public terraform registry. The location of the source code for the referenced modules is defined in the source argument of the module block. If you have any module blocks defined in your configuration files, these will be installed when executing the init command.
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