Create a terraform module to provision GCP PubSub Lite resources

[marclop]

Description

Since we'll need to run performance tests against an GCP PubSub Lite, we should have a terraform module which allows creating GCP PubSub Lite topics, subscriptions and reservations on demand. We currently have a module which creates GCP topics and subscriptions but not reservations.

Ideally, we'll suffix the resources with a random ID which may be generated from the creation timestamp.

The module should export the topics so we can plug it into a producer / consumer pair.

Related links

• https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/pubsub_lite_reservation
• https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/id
• https://registry.terraform.io/providers/hashicorp/time/latest/docs/resources/static

[marclop]

We implemented most of what's described in here in #92. The suffixes are generated by Go instead of the "id resource" from HashiCorp.