Documentation enhancement for google_compute_project_metadata (Google Provider)

[ghost]

This issue was originally opened by @watcher00090 as hashicorp/terraform#27469. It was migrated here as a result of the provider split. The original body of the issue is below.

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Proposal

This is about the docs for the Google Terraform provider. I was wondering if you'd be willing to add more detailed documentation about how to set ssh keys inside of a google project using terraform. Currently, you can add a public ssh key into the project-wide metadata of a GCP project using the following code:

resource "google_compute_project_metadata" "my_ssh_key" {
metadata = {
ssh-keys = <<EOF
ubuntu-user:ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAzYjBY10oK9lG4H8+sWMxe5eFXMe/fxNQEbkFiAHzmIo0dE0UAtlMb6W9t68m4CSjQaVyPFeLhA4qZRgyUxPtB3tXhwaRkBqcxrDNmuzPa0rJ11HNCnUPKk3+OwiAT5rF3AxHBW0vdHpeLtw2gJsK6VMA31wP4l7spBCMcmJGUMsdILJwBGh7b9MpZl9IIDpMaDXVcXi4Ho+kl9D/5T9fxE3zHgj0Y6JzgVCN0yH3XHjnfvU3+vHdlQ8Lkg4rY/nh5jkwB5JFVrXkmMr568K1UwbaVcBUf2Wao1EeJzqNvqJQ/y5ec2UKa/D3v52MJ7N2eyLmb3tjSnzFwvCiV/eF5Q== ubuntu-user
EOF
}
project = var.gcp_project
}

However, the docs don't mention anything about the ssh-keys argument in the metadata argument of this resource, and in my opinion, they should.

Thank you!
James

[ghost]

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