Skip to main content
Service Catalog Version 0.116.1Last updated in version 0.96.1

Amazon Simple Notification Service

View Source Release Notes

Overview​

This service contains code to create Amazon SNS topics.

SNS architectureSNS architecture

Features​

  • Creates an SNS topic
  • Attaches topic policies allowing publishing, subscribing, or both from given AWS accounts
  • Optionally publishes notifications to Slack

Learn​

note

This repo is a part of the Gruntwork Service Catalog, a collection of reusable, battle-tested, production ready infrastructure code. If you’ve never used the Service Catalog before, make sure to read How to use the Gruntwork Service Catalog!

Deploy​

Non-production deployment (quick start for learning)​

If you just want to try this repo out for experimenting and learning, check out the following resources:

  • examples/for-learning-and-testing folder: The examples/for-learning-and-testing folder contains standalone sample code optimized for learning, experimenting, and testing (but not direct production usage).

Production deployment​

If you want to deploy this repo in production, check out the following resources:

Sample Usage​

main.tf

# ------------------------------------------------------------------------------------------------------
# DEPLOY GRUNTWORK'S SNS-TOPICS MODULE
# ------------------------------------------------------------------------------------------------------

module "sns_topics" {

  source = "git::git@github.com:gruntwork-io/terraform-aws-service-catalog.git//modules/networking/sns-topics?ref=v0.116.1"

  # ----------------------------------------------------------------------------------------------------
  # REQUIRED VARIABLES
  # ----------------------------------------------------------------------------------------------------

  # The name of the SNS topic
  name = <string>

  # ----------------------------------------------------------------------------------------------------
  # OPTIONAL VARIABLES
  # ----------------------------------------------------------------------------------------------------

  # A list of IAM ARNs that will be given the rights to publish to the SNS
  # topic.
  allow_publish_accounts = []

  # A list of AWS services that will be given the rights to publish to the SNS
  # topic.
  allow_publish_services = []

  # A list of IAM ARNs that will be given the rights to subscribe to the SNS
  # topic.
  allow_subscribe_accounts = []

  # A list of protocols that can be used to subscribe to the SNS topic.
  allow_subscribe_protocols = ["http","https","email","email-json","sms","sqs","application","lambda"]

  # Set to false to have this module create no resources. This weird parameter
  # exists solely because Terraform does not support conditional modules.
  # Therefore, this is a hack to allow you to conditionally decide if the
  # resources should be created or not.
  create_resources = true

  # The display name of the SNS topic
  display_name = ""

  # The ID of an AWS-managed customer master key (CMK) for Amazon SNS or a
  # custom CMK
  kms_master_key_id = "alias/aws/sns"

  # The ARN of a Secrets Manager entry that contains the Slack Webhook URL
  # (e.g., https://hooks.slack.com/services/FOO/BAR/BAZ) that SNS messages are
  # sent to.
  slack_webhook_url_secrets_manager_arn = null

}


Reference​

Required​

namestringrequired

The name of the SNS topic

Optional​

allow_publish_accountslist(string)optional

A list of IAM ARNs that will be given the rights to publish to the SNS topic.

[]
allow_publish_serviceslist(string)optional

A list of AWS services that will be given the rights to publish to the SNS topic.

[]
allow_subscribe_accountslist(string)optional

A list of IAM ARNs that will be given the rights to subscribe to the SNS topic.

[]
allow_subscribe_protocolslist(string)optional

A list of protocols that can be used to subscribe to the SNS topic.

[
  "http",
  "https",
  "email",
  "email-json",
  "sms",
  "sqs",
  "application",
  "lambda"
]
create_resourcesbooloptional

Set to false to have this module create no resources. This weird parameter exists solely because Terraform does not support conditional modules. Therefore, this is a hack to allow you to conditionally decide if the resources should be created or not.

true
display_namestringoptional

The display name of the SNS topic

""
kms_master_key_idstringoptional

The ID of an AWS-managed customer master key (CMK) for Amazon SNS or a custom CMK

"alias/aws/sns"

The ARN of a Secrets Manager entry that contains the Slack Webhook URL (e.g., https://hooks.slack.com/services/FOO/BAR/BAZ) that SNS messages are sent to.

null