Add support for point-in-time recovery and streams (#9)

* Add support for point-in-time recovery * Add support for streams * Fix variable name * fix default value * Document minimum provider version * Add stream_view_type
cloudposse · Jun 8, 2018 · 7f2ebb3 · 7f2ebb3
1 parent 3a428bb
commit 7f2ebb3
Show file tree

Hide file tree

Showing 3 changed files with 35 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -4,6 +4,9 @@ Terraform module to provision a DynamoDB table with autoscaling.
 
 Autoscaler scales up/down the provisioned OPS for the DynamoDB table based on the load.
 
+## Requirements
+
+This module requires [AWS Provider](https://github.com/terraform-providers/terraform-provider-aws) `>= 1.17.0`
 
 ## Usage
 
@@ -83,7 +86,10 @@ module "dynamodb_table" {
 | `hash_key`                      | ``           | DynamoDB table Hash Key                                                        | Yes      |
 | `range_key`                     | ``           | DynamoDB table Range Key                                                       | Yes      |
 | `ttl_attribute`                 | ``           | DynamoDB table TTL attribute                                                   | No       |
+| `enable_streams`                | `false`      | Enable DynamoDB streams                                                        | No       |
+| `stream_view_type`              | ``           | When an item in the table is modified, what information is written to the stream | If `enable_streams` is true |
 | `enable_encryption`             | `true`       | Enable DynamoDB server-side encryption                                         | No       |
+| `enable_point_in_time_recovery` | `true`       | Enable DynamoDB point-in-time recovery                                         | No       |
 | `attributes`                    | `[]`         | Additional attributes (_e.g._ `policy` or `role`)                              | No       |
 | `tags`                          | `{}`         | Additional tags  (_e.g._ `map("BusinessUnit","XYZ")`                           | No       |
 | `delimiter`                     | `-`          | Delimiter to be used between `namespace`, `stage`, `name`, and `attributes`    | No       |

diff --git a/main.tf b/main.tf
@@ -27,16 +27,22 @@ resource "null_resource" "global_secondary_indexes" {
 }
 
 resource "aws_dynamodb_table" "default" {
-  name           = "${module.dynamodb_label.id}"
-  read_capacity  = "${var.autoscale_min_read_capacity}"
-  write_capacity = "${var.autoscale_min_write_capacity}"
-  hash_key       = "${var.hash_key}"
-  range_key      = "${var.range_key}"
+  name             = "${module.dynamodb_label.id}"
+  read_capacity    = "${var.autoscale_min_read_capacity}"
+  write_capacity   = "${var.autoscale_min_write_capacity}"
+  hash_key         = "${var.hash_key}"
+  range_key        = "${var.range_key}"
+  stream_enabled   = "${var.enable_streams}"
+  stream_view_type = "${var.stream_view_type}"
 
   server_side_encryption {
     enabled = "${var.enable_encryption}"
   }
 
+  point_in_time_recovery {
+    enabled = "${var.enable_point_in_time_recovery}"
+  }
+
   lifecycle {
     ignore_changes = ["read_capacity", "write_capacity"]
   }

diff --git a/variables.tf b/variables.tf
@@ -61,12 +61,30 @@ variable "autoscale_max_write_capacity" {
   description = "DynamoDB autoscaling max write capacity"
 }
 
+variable "enable_streams" {
+  type        = "string"
+  default     = "false"
+  description = "Enable DynamoDB streams"
+}
+
+variable "stream_view_type" {
+  type        = "string"
+  default     = ""
+  description = "When an item in the table is modified, what information is written to the stream"
+}
+
 variable "enable_encryption" {
   type        = "string"
   default     = "true"
   description = "Enable DynamoDB server-side encryption"
 }
 
+variable "enable_point_in_time_recovery" {
+  type        = "string"
+  default     = "true"
+  description = "Enable DynamoDB point in time recovery"
+}
+
 variable "hash_key" {
   type        = "string"
   description = "DynamoDB table Hash Key"