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Add support for reading modules from GCS bucket

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Matt Morrison 2019-05-16 10:42:01 +12:00 committed by David Gillies
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@ -31,6 +31,8 @@ types, as listed below.
* [S3 buckets](#s3-bucket)
* [GCS buckets](#gcs-bucket)
Each of these is described in the following sections. Module source addresses
use a _URL-like_ syntax, but with extensions to support unambiguous selection
of sources and additional features.
@ -375,6 +377,30 @@ preferring those earlier in the list when multiple are available:
* If running on an EC2 instance, temporary credentials associated with the
instance's IAM Instance Profile.
## GCS Bucket
You can use archives stored in Google Cloud Storage as module sources using the special `gcs::`
prefix, followed by
[a GCS bucket object URL](https://cloud.google.com/storage/docs/request-endpoints#typical).
For example
* `gcs::https://www.googleapis.com/storage/v1/BUCKET_NAME/PATH_TO_MODULE`
* `gcs::https://www.googleapis.com/storage/v1/BUCKET_NAME/PATH/TO/module.zip`
```hcl
module "consul" {
source = "gcs::https://www.googleapis.com/storage/v1/modules/foomodule.zip"
}
```
The module installer uses Google Cloud SDK to authenticate with GCS. To set credentials you can:
* Enter the path of your service account key file in the GOOGLE_APPLICATION_CREDENTIALS environment variable, or;
* If you're running Terraform from a GCE instance, default credentials are automatically available. See [Creating and Enabling Service Accounts](https://cloud.google.com/compute/docs/authentication) for Instances for more details
* On your computer, you can make your Google identity available by running `gcloud auth application-default login`.
## Modules in Package Sub-directories
When the source of a module is a version control repository or archive file