Terraform: `terraform validate` does not load `*.auto.tfvars` files.

[dmikalova]

Terraform Version

Terraform v0.10.0

Terraform Configuration Files

main.tf

variable "test" {}

main.auto.tfvars

test = "test"

Actual Behavior

terraform validate returns * Required variable not set: test
terraform plan returns No changes. Infrastructure is up-to-date. as expected.

Expected Behavior

I expect that terraform validate would pick up on anything matching *.auto.tfvars.

References

The feature as described in the 0.10.0 changelog is Files in the config directory ending in .auto.tfvars are now loaded automatically..., which implies that the validate command should pick up on these. My guess is that the validate command was overlooked, but maybe this behavior is intentional?

The documentation does match the behavior, although validate isn't explicitly excluded.
https://www.terraform.io/intro/getting-started/variables.html
https://www.terraform.io/docs/commands/apply.html
https://www.terraform.io/docs/commands/validate.html

[jbardin]

Hi @dmikalova,

Thanks for filing the issue.
I'm going to combine this with #15733, so we can take care of them with the same fix.

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