Cannot create a google_compute_instance with no ephemeral IP address.

[jharriman]

Google Compute Engine allows instances to be created without assigning an ephemeral IP address (https://cloud.google.com/compute/docs/instances-and-network), but Terraform doesn't seem to support creating an instance without an external IP.

Currently Terraform hard codes 1 access config when creating an instance, which forces us to assign an external IP address. (Thanks to Spark on IRC for hunting down the problem in the Terraform source)

Sometimes, we do not want instances to be addressable from the global internet. Terraform should allow us to remove the ephemeral IP address from newly created GCE instances.

[sparkprime]

Note: a firewall rule can be used as a workaround

I would like to fix this by exposing the accessConfig structure in the terraform config. This will create a backwards incompatibility but IMO is worth it.

[sparkprime]

@phinze can close this now

[phinze]

👍

[ghost]

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