fix alpr_counts lambda which has been timing out

serverless/alpr_counts/src/alpr_counts.py

@@ -23,11 +23,11 @@ def fetch_alpr_surveillance_nodes(usOnly=False):
     return {"error": f"Failed to fetch data from Overpass API. Status code: {response.status_code}"}
 
 def lambda_handler(event, context):
-  us_alprs = fetch_alpr_surveillance_nodes('(area["ISO3166-1"="US"])')
+  # us_alprs = fetch_alpr_surveillance_nodes('(area["ISO3166-1"="US"])')
   worldwide_alprs = fetch_alpr_surveillance_nodes()
 
   all_alprs = {
-    'us': us_alprs,
+    # 'us': us_alprs,
     'worldwide': worldwide_alprs
   }
 

terraform/modules/alpr_counts/main.tf

@@ -68,7 +68,7 @@ resource "aws_lambda_function" "overpass_lambda" {
   handler          = "${var.module_name}.lambda_handler"
   runtime          = "python3.9"
   source_code_hash = data.archive_file.python_lambda_package.output_base64sha256
-  timeout = 30
+  timeout = 60
 }
 
 resource "aws_cloudwatch_event_rule" "lambda_rule" {
@@ -90,3 +90,33 @@ resource "aws_lambda_permission" "allow_cloudwatch_to_call_lambda" {
   principal     = "events.amazonaws.com"
   source_arn    = aws_cloudwatch_event_rule.lambda_rule.arn
 }
+
+resource "aws_cloudwatch_log_group" "lambda_log_group" {
+  name              = "/aws/lambda/${var.module_name}"
+  retention_in_days = 14
+}
+
+resource "aws_iam_policy" "lambda_cloudwatch_logs_policy" {
+  name        = "lambda_cloudwatch_logs_policy"
+  description = "Policy for Lambda to write logs to CloudWatch"
+
+  policy = jsonencode({
+    Version = "2012-10-17",
+    Statement = [
+      {
+        Action = [
+          "logs:CreateLogGroup",
+          "logs:CreateLogStream",
+          "logs:PutLogEvents"
+        ]
+        Effect   = "Allow"
+        Resource = "arn:aws:logs:${var.aws_region}:${var.aws_account_id}:log-group:/aws/lambda/${var.module_name}:*"
+      }
+    ]
+  })
+}
+
+resource "aws_iam_role_policy_attachment" "lambda_cloudwatch_logs_attachment" {
+  role       = aws_iam_role.lambda_role.name
+  policy_arn = aws_iam_policy.lambda_cloudwatch_logs_policy.arn
+}

terraform/modules/alpr_counts/variables.tf

@@ -14,3 +14,15 @@ variable "deflock_stats_bucket" {
 variable "rate" {
   description = "Rate at which to run the Lambda function"
 }
+
+variable "aws_region" {
+  description = "The AWS region where resources will be created"
+  type        = string
+  default     = "us-east-1"
+}
+
+variable "aws_account_id" {
+  description = "The AWS account ID where resources will be created"
+  type        = string
+  default     = "912821578123"
+}