/terraform-google-pubsub

This module makes it easy to create Google Cloud Pub/Sub topic and subscriptions associated with the topic.

Primary LanguageHCLApache License 2.0Apache-2.0

terraform-google-pubsub

This module makes it easy to create Google Cloud Pub/Sub topic and subscriptions associated with the topic.

Compatibility

This module is meant for use with Terraform 0.13. If you haven't upgraded and need a Terraform 0.12.x-compatible version of this module, the last released version intended for Terraform 0.12.x is v1.9.0.

Usage

This is a simple usage of the module. Please see also a simple setup provided in the example directory.

module "pubsub" {
  source  = "terraform-google-modules/pubsub/google"
  version = "~> 1.8"

  topic      = "tf-topic"
  project_id = "my-pubsub-project"
  push_subscriptions = [
    {
      name                       = "push"                                               // required
      ack_deadline_seconds       = 20                                                   // optional
      push_endpoint              = "https://example.com"                                // required
      x-goog-version             = "v1beta1"                                            // optional
      oidc_service_account_email = "sa@example.com"                                     // optional
      audience                   = "example"                                            // optional
      expiration_policy          = "1209600s"                                           // optional
      dead_letter_topic          = "projects/my-pubsub-project/topics/example-dl-topic" // optional
      max_delivery_attempts      = 5                                                    // optional
      maximum_backoff            = "600s"                                               // optional
      minimum_backoff            = "300s"                                               // optional
      filter                     = "attributes.domain = \"com\""                        // optional
      enable_message_ordering    = true                                                 // optional
    }
  ]
  pull_subscriptions = [
    {
      name                    = "pull"                                               // required
      ack_deadline_seconds    = 20                                                   // optional
      dead_letter_topic       = "projects/my-pubsub-project/topics/example-dl-topic" // optional
      max_delivery_attempts   = 5                                                    // optional
      maximum_backoff         = "600s"                                               // optional
      minimum_backoff         = "300s"                                               // optional
      filter                  = "attributes.domain = \"com\""                        // optional
      enable_message_ordering = true                                                 // optional
      service_account         = "service2@project2.iam.gserviceaccount.com"          // optional
    }
  ]
}

Inputs

Name Description Type Default Required
create_topic Specify true if you want to create a topic bool true no
grant_token_creator Specify true if you want to add token creator role to the default Pub/Sub SA bool true no
message_storage_policy A map of storage policies. Default - inherit from organization's Resource Location Restriction policy. map(any) {} no
project_id The project ID to manage the Pub/Sub resources string n/a yes
pull_subscriptions The list of the pull subscriptions list(map(string)) [] no
push_subscriptions The list of the push subscriptions list(map(string)) [] no
subscription_labels A map of labels to assign to every Pub/Sub subscription map(string) {} no
topic The Pub/Sub topic name string n/a yes
topic_kms_key_name The resource name of the Cloud KMS CryptoKey to be used to protect access to messages published on this topic. string null no
topic_labels A map of labels to assign to the Pub/Sub topic map(string) {} no

Outputs

Name Description
id The ID of the Pub/Sub topic
subscription_names The name list of Pub/Sub subscriptions
subscription_paths The path list of Pub/Sub subscriptions
topic The name of the Pub/Sub topic
topic_labels Labels assigned to the Pub/Sub topic
uri The URI of the Pub/Sub topic

Requirements

Installation Dependencies

Configure a Service Account

In order to execute this module you must have a Service Account with the following:

Roles

  • roles/pubsub.admin

Enable APIs

In order to operate with the Service Account you must activate the following APIs on the project where the Service Account was created:

  • Cloud Pub/Sub API

Service Account Credentials

You can pass the service account credentials into this module by setting the following environment variables:

  • GOOGLE_CREDENTIALS
  • GOOGLE_CLOUD_KEYFILE_JSON
  • GCLOUD_KEYFILE_JSON

See more details.