Merge pull request #10 from nasa/GESDISCUMU-5220-Eventbridge-Rule-For-Gap-Reporter

Gesdiscumu 5220 eventbridge rule for gap reporter

Author: dhsing23

gap_detection_module/eventbridge.tf

@@ -0,0 +1,61 @@
+resource "aws_iam_role" "gap_detection_eventbridge_scheduler_execution_role" {
+  name = "${var.DEPLOY_NAME}-gap-detection-eventbridge-role"
+
+  assume_role_policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        Effect = "Allow"
+        Principal = {
+          Service = "scheduler.amazonaws.com"
+        }
+        Action = "sts:AssumeRole"
+      }
+    ]
+  })
+}
+
+resource "aws_iam_role_policy" "gap_detection_eventbridge_scheduler_policy" {
+  name = "${var.DEPLOY_NAME}-gap-detection-eventbridge-policy"
+  role = aws_iam_role.gap_detection_eventbridge_scheduler_execution_role.id
+
+  policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        Effect = "Allow"
+        Action = "lambda:InvokeFunction"
+        Resource = aws_lambda_function.gap_functions["gapReporter"].arn
+      }
+    ]
+  })
+}
+resource "aws_scheduler_schedule" "gap_reporter_scheduler" {
+  name       = "${var.DEPLOY_NAME}-gap_detection_reporter"
+  group_name = "default"
+
+  schedule_expression = "rate(7 days)"
+
+  flexible_time_window {
+    mode = "OFF"
+  }
+
+  target {
+    arn      = "arn:aws:scheduler:::aws-sdk:lambda:invoke"
+    role_arn = aws_iam_role.gap_detection_eventbridge_scheduler_execution_role.arn
+
+    input = jsonencode({
+      FunctionName   = aws_lambda_function.gap_functions["gapReporter"].arn,
+      InvocationType = "Event",
+      Payload        = jsonencode("foo")
+    })
+  }
+}
+
+resource "aws_lambda_permission" "allow_scheduler_invoke" {
+  statement_id  = "AllowSchedulerInvoke"
+  action        = "lambda:InvokeFunction"
+  function_name = aws_lambda_function.gap_functions["gapReporter"].function_name
+  principal     = "scheduler.amazonaws.com"
+  source_arn    = aws_scheduler_schedule.gap_reporter_scheduler.arn
+}