From 5edd77009f94208fac8534e76a0e475842ed1594 Mon Sep 17 00:00:00 2001
From: tajewole-moj <tunde.ajewole@digital.justice.gov.uk>
Date: Wed, 18 Oct 2023 15:02:57 +0100
Subject: [PATCH] event rules

---
 terraform/environments/apex/lambda.tf         | 21 +++++++++++++++++++
 .../apex/module/lambda/outputs.tf             |  7 +++++++
 terraform/environments/apex/variables.tf      |  6 +++---
 3 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 terraform/environments/apex/module/lambda/outputs.tf

diff --git a/terraform/environments/apex/lambda.tf b/terraform/environments/apex/lambda.tf
index eb28aae25a0..50923287bf9 100644
--- a/terraform/environments/apex/lambda.tf
+++ b/terraform/environments/apex/lambda.tf
@@ -1,5 +1,6 @@
 module "iambackup" {
   source = "./module/lambdapolicy"
+    backup_policy_name = "laa-${local.application_name}-${local.environment}-policy"
     tags = merge(
     local.tags,
     { Name = "laa-${local.application_name}-${local.environment}-mp" }
@@ -25,3 +26,23 @@ runtime = local.runtime
     { Name = "laa-${local.application_name}-${local.environment}-mp" }
   )
 }
+
+
+resource "aws_cloudwatch_event_rule" "mon_sun" {
+    name = "${local.application_name}-createSnapshotRule-LWN8E1LNHFJR"
+    description = "Fires every five minutes"
+    schedule_expression = "0 2 ? * MON-SUN *"
+}
+
+resource "aws_cloudwatch_event_target" "check_mon_sun" {
+    rule = aws_cloudwatch_event_rule.mon_sun.name
+    arn = module.lambda_backup.lambda_function
+}
+
+resource "aws_lambda_permission" "allow_cloudwatch_to_call_check_mon_sun" {
+    statement_id = "AllowExecutionFromCloudWatch"
+    action = "lambda:InvokeFunction"
+    function_name = module.lambda_backup.lambda_function_name
+    principal = "events.amazonaws.com"
+    source_arn = aws_cloudwatch_event_rule.mon_sun.arn
+}
\ No newline at end of file
diff --git a/terraform/environments/apex/module/lambda/outputs.tf b/terraform/environments/apex/module/lambda/outputs.tf
new file mode 100644
index 00000000000..aa785489f3c
--- /dev/null
+++ b/terraform/environments/apex/module/lambda/outputs.tf
@@ -0,0 +1,7 @@
+output "lambda_function" {
+  value = aws_lambda_function.snapshotDBFunction.*.arn
+}
+
+output "lambda_function_name" {
+  value = aws_lambda_function.snapshotDBFunction.*.function_name
+}
\ No newline at end of file
diff --git a/terraform/environments/apex/variables.tf b/terraform/environments/apex/variables.tf
index 1e8c9eab892..59385209fc1 100644
--- a/terraform/environments/apex/variables.tf
+++ b/terraform/environments/apex/variables.tf
@@ -14,16 +14,16 @@ variable "filename" {
 }
 
 variable "function_name" {
-  type        = list(string)
+  type        = list(any)
   default     = ["snapshotDBFunction","deletesnapshotFunction","connectDBFunction"]
 }
 
 variable "handler" {
-  type        = list(string)
+  type        = list(any)
   default     = ["snapshot/dbsnapshot.handler","deletesnapshots.lambda_handler","ssh/dbconnect.handler"]      
 }
 
 variable "runtime" {
-  type        = list(string)
+  type        = list(any)
   default     = [ "nodejs18.x","python3.8","nodejs18.x"]            
 }
\ No newline at end of file