Allow for transfering data from legacay dynamo tables

Author: BenGalewsky

infra/mdf/dev/main.tf

@@ -45,6 +45,8 @@ module "dynamodb" {
   env       = var.env
   namespace = var.namespace
   env_vars  = var.env_vars
+  resource_tags             = var.resource_tags
+  dynamodb_write_capacity = 20
 }
 
 module "permissions" {
@@ -53,6 +55,7 @@ module "permissions" {
   namespace       = var.namespace
   mdf_secrets_arn = var.mdf_secrets_arn
   dynamo_db_arn   = module.dynamodb.dynamodb_arn
+  legacy_table_arn = "arn:aws:dynamodb:us-east-1:557062710055:table/dev-status-0.4"
 }
 
 module "api_gateway" {

infra/mdf/modules/dynamo/main.tf

@@ -1,8 +1,9 @@
+
 resource "aws_dynamodb_table" "dynamodb-table" {
   name           = "${var.namespace}-${var.env}"
   billing_mode   = "PROVISIONED"
   read_capacity  = 5
-  write_capacity = 5
+  write_capacity = var.dynamodb_write_capacity
   hash_key       = "source_id"
   range_key      = "version"
   attribute {
@@ -21,8 +22,5 @@ resource "aws_dynamodb_table" "dynamodb-table" {
     enabled        = false
   }
 
-  tags = {
-    Name        = var.namespace
-    Environment = var.env
-  }
+  tags = var.resource_tags
 }

infra/mdf/modules/dynamo/variables.tf

@@ -11,4 +11,14 @@ variable "namespace" {
 variable "env_vars" {
   description = "Set of environment variables for the functions."
   type = map(string)
+}
+
+variable "resource_tags" {
+  description = "Tags to apply to all resources."
+  type = map(string)
+}
+
+variable "dynamodb_write_capacity" {
+  type = number
+  description = "The write capacity for the DynamoDB table."
 }

infra/mdf/modules/permissions/main.tf

@@ -75,7 +75,10 @@ resource "aws_iam_policy" "lambda_dynamodb_policy" {
           "dynamodb:Scan",
         ],
         Effect   = "Allow",
-        Resource = [ var.dynamo_db_arn ]
+        Resource = [
+          var.dynamo_db_arn,
+          var.legacy_table_arn
+        ]
       },
     ],
   })

infra/mdf/modules/permissions/variables.tf

@@ -16,4 +16,9 @@ variable "mdf_secrets_arn" {
 variable "dynamo_db_arn" {
     type = string
     description = "ARN of the DynamoDB table"
+}
+
+variable "legacy_table_arn" {
+    type = string
+    description = "ARN of the legacy DynamoDB table"
 }

infra/mdf/prod/main.tf

@@ -44,6 +44,7 @@ module "dynamodb" {
   env       = var.env
   namespace = var.namespace
   env_vars  = var.env_vars
+  resource_tags             = var.resource_tags
 }
 
 module "permissions" {
@@ -52,6 +53,7 @@ module "permissions" {
   namespace       = var.namespace
   mdf_secrets_arn = var.mdf_secrets_arn
   dynamo_db_arn   = module.dynamodb.dynamodb_arn
+  legacy_table_arn = "arn:aws:dynamodb:us-east-1:557062710055:table/prod-status-alpha-1"
 }
 
 module "api_gateway" {