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| layout | page_title | sidebar_current | description |
|---|---|---|---|
| docs | Import | docs-import | Terraform is able to import existing infrastructure. This allows you take resources you've created by some other means and bring it under Terraform management. |
Import
Terraform is able to import existing infrastructure. This allows you take resources you've created by some other means and bring it under Terraform management.
This is a great way to slowly transition infrastructure to Terraform, or to be able to be confident that you can use Terraform in the future if it potentially doesn't support every feature you need today.
Currently State Only
The current implementation of Terraform import can only import resources into the state. It does not generate configuration. A future version of Terraform will also generate configuration.
Because of this, the behavior of importing resources into Terraform right now
is that after an import, if you run a terraform plan, Terraform views it
as an orphan (a resource with no configuration) and marks it for destruction.
After importing a resource you have to manually write configuration to match
the resource.
While this may seem tedious, it still gives Terraform users an avenue for importing existing resources. A future version of Terraform will fully generate configuration significantly simplifying this process.