website: provider version constraints in modules

This commit is contained in:
Martin Atkins 2019-10-28 15:36:16 -07:00
parent ddd0d2a442
commit 7c110f9cf8
1 changed files with 20 additions and 1 deletions

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@ -200,6 +200,25 @@ provider configuration must be destroyed before that provider configuration is
removed, unless the related resources are re-configured to use a different
provider configuration first.
### Provider Version Constraints in Modules
To declare that a module requires particular versions of a specific provider,
use the [`required_providers`](/docs/configuration/terraform.html#specifying-required-provider-versions)
setting inside a `terraform` block:
```hcl
terraform {
required_providers {
aws = ">= 2.7.0"
}
}
```
Shared modules should constrain only the minimum allowed version, using a `>=`
constraint. This specifies the minimum version the provider is compatible
with while allowing users to upgrade to newer provider versions without
altering the module source code.
### Implicit Provider Inheritance
For convenience in simple configurations, a child module automatically inherits
@ -238,7 +257,7 @@ or a child module may need to use different provider settings than
its parent. For such situations, it's necessary to pass providers explicitly
as we will see in the next section.
## Passing Providers Explicitly
### Passing Providers Explicitly
When child modules each need a different configuration of a particular
provider, or where the child module requires a different provider configuration