Switch to Redis queue

launch.py

@@ -37,7 +37,7 @@ def main():
     logging.info("Finished Deploying Lambda")
 
     deploy_sqs_filler()
-    logging.info("Finished Deploying SQS Filler Lambda")
+    logging.info("Finished Deploying Queue Filler Lambda")
 
     # Update Lambda environment variables
     update_env_vars(os.getenv("LAMBDA_FUNCTION_NAME"))
@@ -48,7 +48,7 @@ def main():
     if os.path.exists(rss_feeds_file):
         with open(rss_feeds_file, 'r') as f:
             rss_feeds = json.load(f)
-        upload_rss_feeds(rss_feeds, os.getenv('DYNAMODB_TABLE_NAME'))
+        upload_rss_feeds(rss_feeds, rss_feeds_file)
     else:
         print(f"WARNING: {rss_feeds_file} not found. Skipping RSS feed upload.")
 

requirements.txt

@@ -6,3 +6,4 @@ constructs==10.2.69
 pinecone
 openai
 tqdm
+redis

src/feed_management/upload_rss_feeds.py

@@ -1,58 +1,23 @@
 import json
-import boto3
-from boto3.dynamodb.conditions import Key
-from botocore.exceptions import ClientError
 import logging
 
-# Set up logging
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
-def upload_rss_feeds(rss_feeds, table_name):
-    dynamodb = boto3.resource('dynamodb')
-    table = dynamodb.Table(table_name)
-
-    logger.info(f"Uploading RSS feeds to table: {table_name}")
 
+def upload_rss_feeds(rss_feeds, file_path):
+    """Persist RSS feed definitions to a local JSON file."""
     try:
-        # Get the table's key schema
-        key_schema = table.key_schema
-        partition_key = next(key['AttributeName'] for key in key_schema if key['KeyType'] == 'HASH')
-    except ClientError as e:
-        logger.error(f"Error getting table schema: {e.response['Error']['Message']}")
-        return
+        with open(file_path, "w") as f:
+            json.dump(rss_feeds, f)
+        logger.info(f"Saved {len(rss_feeds)} feeds to {file_path}")
+    except Exception as e:
+        logger.error(f"Failed to save feeds: {e}")
 
-    new_items = 0
-    existing_items = 0
-
-    for feed in rss_feeds:
-        # Check if the item already exists
-        try:
-            response = table.get_item(Key={partition_key: feed['u']})
-        except ClientError as e:
-            logger.error(f"Error checking for existing item: {e.response['Error']['Message']}")
-            continue
-
-        if 'Item' not in response:
-            # Item doesn't exist, insert new item
-            item = {partition_key: feed['u'], 'dt': 0}
-            feed['dt'] = int(feed['dt'])
-            item.update()
-            
-            try:
-                table.put_item(Item=item)
-                new_items += 1
-            except ClientError as e:
-                logger.error(f"Error inserting new item: {e.response['Error']['Message']}")
-        else:
-            existing_items += 1
-
-    logger.info(f"Upload complete. {new_items} new items inserted. {existing_items} items already existed.")
 
 if __name__ == "__main__":
-    table_name = 'rss-feeds-table'
-    rss_feed_path = 'rss_feeds.json'
+    rss_feed_path = "rss_feeds.json"
     with open(rss_feed_path) as f:
         rss_feeds = json.load(f)
     logger.info(f"Loaded RSS feeds: {rss_feeds}")
-    upload_rss_feeds(rss_feeds, table_name)
+    upload_rss_feeds(rss_feeds, rss_feed_path)

src/infra/cloudformation/dynamo.yaml

@@ -1,27 +0,0 @@
-AWSTemplateFormatVersion: '2010-09-09'
-Description: 'CloudFormation template for RSS Feed Processor DynamoDB Table'
-
-Parameters:
-  DynamoDBName:
-    Type: String
-    Description: ""
-
-Resources:
-  RSSFeedsTable:
-    Type: AWS::DynamoDB::Table
-    Properties:
-      TableName: !Ref 'DynamoDBName'
-      AttributeDefinitions:
-        - AttributeName: url
-          AttributeType: S
-      KeySchema:
-        - AttributeName: url
-          KeyType: HASH
-      BillingMode: PAY_PER_REQUEST
-
-Outputs:
-  TableName:
-    Description: 'Name of the DynamoDB table for RSS feeds'
-    Value: !Ref RSSFeedsTable
-    Export:
-      Name: !Sub '${AWS::StackName}-RSSFeedsTableName'

src/infra/cloudformation/lambda_role.yaml

@@ -37,7 +37,6 @@ Resources:
               - Effect: Allow
                 Action:
                   - 'sqs:*'
-                  - 'dynamodb:*'
                   - 's3:*'
                   - 'lambda:*'
                   - 'logs:*'

src/infra/cloudformation/rss_lambda_stack.yaml

@@ -1,22 +1,16 @@
 AWSTemplateFormatVersion: '2010-09-09'
-Description: SQS Filler Lambda Stack
+Description: Redis Queue Filler Lambda Stack
 
 Parameters:
   QueueFillerLambdaName:
     Type: String
     Description: Name of the Lambda function
-  SqsQueueUrl:
+  RedisUrl:
     Type: String
-    Description: URL of the SQS queue
-  DynamoDbTableName:
+    Description: URL of the Redis instance
+  RedisQueueName:
     Type: String
-    Description: Name of the DynamoDB table
-  DynamoDbTableArn:
-    Type: String
-    Description: ARN of the DynamoDB table
-  SqsQueueArn:
-    Type: String
-    Description: ARN of the SQS queue
+    Description: Name of the Redis queue
   LambdaCodeS3Bucket:
     Type: String
     Description: S3 bucket containing the Lambda function code
@@ -45,8 +39,8 @@ Resources:
       Timeout: !Ref LambdaTimeout
       Environment:
         Variables:
-          SQS_QUEUE_URL: !Ref SqsQueueUrl
-          DYNAMODB_TABLE_NAME: !Ref DynamoDbTableName
+          REDIS_URL: !Ref RedisUrl
+          REDIS_QUEUE_NAME: !Ref RedisQueueName
       Role: !GetAtt SqsFillerFunctionRole.Arn
 
   SqsFillerFunctionRole:
@@ -70,14 +64,6 @@ Resources:
                   - logs:CreateLogStream
                   - logs:PutLogEvents
                 Resource: arn:aws:logs:*:*:*
-              - Effect: Allow
-                Action:
-                  - dynamodb:Scan
-                Resource: !Ref DynamoDbTableArn
-              - Effect: Allow
-                Action:
-                  - sqs:SendMessage
-                Resource: !Ref SqsQueueArn
               - Effect: Allow
                 Action:
                   - s3:GetObject
@@ -85,8 +71,8 @@ Resources:
 
 Outputs:
   SqsFillerFunctionArn:
-    Description: ARN of the SQS Filler Lambda Function
+    Description: ARN of the Queue Filler Lambda Function
     Value: !GetAtt SqsFillerFunction.Arn
   SqsFillerFunctionRoleArn:
-    Description: ARN of the IAM Role for SQS Filler Lambda Function
+    Description: ARN of the IAM Role for Queue Filler Lambda Function
     Value: !GetAtt SqsFillerFunctionRole.Arn

src/infra/cloudformation/sqs.yaml

@@ -1,36 +0,0 @@
-AWSTemplateFormatVersion: '2010-09-09'
-Description: 'CloudFormation template for RSS Feed Processor SQS Queue'
-
-Parameters:
-  SQSQueueName:
-    Type: String
-    Description: ""
-
-Resources:
-  RSSFeedQueue:
-    Type: AWS::SQS::Queue
-    Properties:
-      QueueName: !Ref SQSQueueName
-      VisibilityTimeout: 900 # Should be set to the 3rd standard deviation of your lambda runtime distribution.
-      ReceiveMessageWaitTimeSeconds: 20
-      RedrivePolicy:
-        deadLetterTargetArn: !GetAtt RSSFeedDLQ.Arn
-        maxReceiveCount: 3
-
-  RSSFeedDLQ:
-    Type: AWS::SQS::Queue
-    Properties:
-      QueueName: !Sub '${AWS::StackName}-rss-feed-dlq'
-
-Outputs:
-  QueueURL:
-    Description: 'URL of the SQS queue for RSS feeds'
-    Value: !Ref RSSFeedQueue
-    Export:
-      Name: !Sub '${AWS::StackName}-RSSFeedQueueURL'
-
-  DLQueueURL:
-    Description: 'URL of the Dead Letter Queue for RSS feeds'
-    Value: !Ref RSSFeedDLQ
-    Export:
-      Name: !Sub '${AWS::StackName}-RSSFeedDLQueueURL'

src/infra/deploy_infrastructure.py

@@ -143,13 +143,6 @@ def deploy_infrastructure():
     key_info = kms_client.describe_key(KeyId=kms_key_id)
     kms_key_arn = key_info['KeyMetadata']['Arn']
 
-    deploy_cloudformation('dynamo.yaml', 'DynamoDB', 
-                          parameters=[
-                            {
-                                'ParameterKey': 'DynamoDBName',
-                                'ParameterValue': os.environ.get('DYNAMODB_TABLE_NAME', 'default-table-name')
-                            }
-                        ])
     
 
     deploy_cloudformation('s3.yaml', 'S3',
@@ -166,13 +159,6 @@ def deploy_infrastructure():
                                 'ParameterValue': os.getenv('S3_LAMBDA_ZIPPED_BUCKET_NAME')
                             }
                         ])
-    deploy_cloudformation('sqs.yaml', 'SQS',
-                          parameters=[
-                            {
-                                'ParameterKey': 'SQSQueueName',
-                                'ParameterValue': os.environ.get('SQS_QUEUE_NAME', 'default-queue-name')
-                            }
-                        ])
     deploy_cloudformation('lambda_role.yaml', 'Lambda', force_recreate=True,
                                 parameters=[
                                     {

src/infra/lambdas/RSSFeedProcessorLambda/deploy_rss_feed_lambda.py

@@ -80,26 +80,8 @@ def update_function_configuration(lambda_client, function_name, handler, role, t
 
 @retry_with_backoff()
 def configure_sqs_trigger(lambda_client, function_name, queue_arn):
-    event_source_mapping = {
-        'FunctionName': function_name,
-        'EventSourceArn': queue_arn,
-        'BatchSize': 1,
-        'MaximumBatchingWindowInSeconds': 0,
-        'ScalingConfig': {
-            'MaximumConcurrency': 50
-        }
-    }
-
-    try:
-        response = lambda_client.create_event_source_mapping(**event_source_mapping)
-        print(f"SQS trigger configured successfully for {function_name}")
-    except ClientError as e:
-        if e.response['Error']['Code'] == 'ResourceConflictException':
-            print(f"SQS trigger already exists for {function_name}. Updating configuration...")
-            # If you want to update existing trigger, you'd need to list existing mappings and update them
-            # This is left as an exercise as it requires additional error handling and logic
-        else:
-            raise e
+    """Placeholder for backward compatibility. Redis deployment uses no SQS trigger."""
+    return
 
 @retry_with_backoff()
 def create_function(lambda_client, function_name, runtime, role, handler, zip_file, timeout, memory, layers, kms_key_id, policy):
@@ -219,13 +201,6 @@ def deploy_lambda():
             policy = get_lambda_policy()
             create_function(lambda_client, LAMBDA_NAME, LAMBDA_RUNTIME, LAMBDA_ROLE_ARN, LAMBDA_HANDLER, deployment_package, LAMBDA_TIMEOUT, LAMBDA_MEMORY, layers, kms_key_id, policy)
 
-        # Configure SQS trigger
-        queue_arn = os.getenv('SQS_QUEUE_ARN')  # Make sure to set this environment variable
-        if queue_arn:
-            configure_sqs_trigger(lambda_client, LAMBDA_NAME, queue_arn)
-        else:
-            print("Warning: SQS_QUEUE_ARN not set. Skipping SQS trigger configuration.")
-
         print("Lambda deployment completed successfully!")
 
     except Exception as e:

src/infra/lambdas/RSSFeedProcessorLambda/src/config.py

@@ -1,15 +1,15 @@
 import os
 
-# SQS Configuration
-SQS_QUEUE_URL = os.environ['SQS_QUEUE_URL']
-
+# Redis Configuration
+REDIS_URL = os.environ["REDIS_URL"]
+REDIS_QUEUE_NAME = os.environ.get("REDIS_QUEUE_NAME", "rss-feed-queue")
 
 # Logging Configuration
-LOG_LEVEL = os.environ.get('LOG_LEVEL', 'INFO')
+LOG_LEVEL = os.environ.get("LOG_LEVEL", "INFO")
 
 # RSS Feed Processing Configuration
-MAX_ARTICLES_PER_FEED = int(os.environ.get('MAX_ARTICLES_PER_FEED', '10'))
-FEED_PROCESSING_TIMEOUT = int(os.environ.get('FEED_PROCESSING_TIMEOUT', '90'))
+MAX_ARTICLES_PER_FEED = int(os.environ.get("MAX_ARTICLES_PER_FEED", "10"))
+FEED_PROCESSING_TIMEOUT = int(os.environ.get("FEED_PROCESSING_TIMEOUT", "90"))
 
 # Article Extraction Configuration
-ARTICLE_EXTRACTION_TIMEOUT = int(os.environ.get('ARTICLE_EXTRACTION_TIMEOUT', '30'))
+ARTICLE_EXTRACTION_TIMEOUT = int(os.environ.get("ARTICLE_EXTRACTION_TIMEOUT", "30"))

src/infra/lambdas/RSSFeedProcessorLambda/src/data_storage.py

@@ -2,7 +2,6 @@ import boto3
 import json
 import os
 import logging
-from random import randint
 from datetime import datetime
 
 from analytics.embeddings.vector_db import get_index, upsert_vectors, vectorize
@@ -10,10 +9,8 @@ from analytics.embeddings.vector_db import get_index, upsert_vectors, vectorize
 logger = logging.getLogger()
 
 s3 = boto3.client('s3')
-dynamodb = boto3.resource('dynamodb')
 
 CONTENT_BUCKET = os.getenv("S3_BUCKET_NAME", os.getenv("CONTENT_BUCKET"))
-DYNAMODB_TABLE = os.getenv("DYNAMODB_TABLE_NAME")
 storage_strategy = os.environ.get('STORAGE_STRATEGY')
 
 ##### Article Storage #####
@@ -51,8 +48,6 @@ def pinecone_save_article(article:dict):
     logger.info("Upserting article to Pinecone")
     upsert_vectors(index, data, namespace) 
 
-def dynamodb_save_article(article:dict):
-    pass
 
 def s3_save_article(article:dict):    
     logger.info("Saving article to S3")
@@ -94,14 +89,20 @@ def s3_save_article(article:dict):
 
 
 ###### Feed Storage ######
-def update_rss_feed(feed:dict, last_pub_dt:int):
+RSS_FEEDS_FILE = os.getenv("RSS_FEEDS_FILE", "rss_feeds.json")
+
+
+def update_rss_feed(feed: dict, last_pub_dt: int):
     try:
-        table = dynamodb.Table(DYNAMODB_TABLE)
-        table.update_item(
-            Key={'url': feed['u']},
-            UpdateExpression='SET dt = :val',
-            ExpressionAttributeValues={':val': last_pub_dt}
-        )
-        logger.info(f"Updated RSS feed in DynamoDB: {feed['u']} with dt: {feed['dt']}")
+        if not os.path.exists(RSS_FEEDS_FILE):
+            return
+        with open(RSS_FEEDS_FILE, "r") as f:
+            feeds = json.load(f)
+        for item in feeds:
+            if item.get("u") == feed["u"]:
+                item["dt"] = int(last_pub_dt)
+        with open(RSS_FEEDS_FILE, "w") as f:
+            json.dump(feeds, f)
+        logger.info(f"Updated RSS feed {feed['u']} with dt: {last_pub_dt}")
     except Exception as e:
         logger.error(f"Failed to update RSS feed: {str(e)}")

src/infra/lambdas/RSSFeedProcessorLambda/src/lambda_function.py

@@ -1,75 +1,60 @@
 import json
 import time
-from feed_processor import process_feed
+import os
+import redis
+from feed_processor import extract_feed
 from data_storage import save_article, update_rss_feed
 from utils import setup_logging
-from config import SQS_QUEUE_URL
-from exceptions import RSSProcessingError, ArticleExtractionError, DataStorageError
-from metrics import record_processed_articles, record_processing_time, record_extraction_errors
-import boto3
-import os
-from feed_processor import extract_feed
+from config import REDIS_URL, REDIS_QUEUE_NAME
+from exceptions import RSSProcessingError, DataStorageError
+from metrics import (
+    record_processed_articles,
+    record_processing_time,
+    record_extraction_errors,
+)
 
-# Set up logging
 logger = setup_logging()
+storage_strategy = os.environ.get("STORAGE_STRATEGY")
+redis_client = redis.Redis.from_url(REDIS_URL)
 
-storage_strategy = os.environ.get('STORAGE_STRATEGY')
-
-# Initialize AWS clients
-sqs = boto3.client('sqs')
 
 def lambda_handler(event, context):
     logger.info("Starting RSS feed processing")
     start_time = time.time()
 
     try:
-        # Receive message from SQS
-        event_source = event["Records"][0]["eventSource"]
-        if event_source == "aws:sqs":
-            feed = event["Records"][0]["body"]
-            logger.info(f"Received message from SQS: {feed}")
-            feed = json.loads(feed)
+        feed_data = redis_client.rpop(REDIS_QUEUE_NAME)
+        if not feed_data:
+            logger.info("No messages in queue")
+            return {"statusCode": 200, "body": json.dumps("No feeds to process")}
+        feed = json.loads(feed_data)
 
-        receipt_handle = event["Records"][0]['receiptHandle']
-
-        # Process the feed
         result = extract_feed(feed)
         logger.info(f"Process Feed Result Dictionary: {result}")
-        last_pub_dt = result['max_date']
+        last_pub_dt = result["max_date"]
 
         if result:
-            # Save articles and update feed
-            for article in result['articles']:
+            for article in result["articles"]:
                 try:
                     save_article(article, storage_strategy)
                 except DataStorageError as e:
                     logger.error(f"Failed to save article: {str(e)}")
                     record_extraction_errors(1)
 
-            update_rss_feed(result['feed'], last_pub_dt)
-
-            # Delete the message from the queue
-            logger.info("Deleting sqs queue message")
-            try: 
-                sqs.delete_message(QueueUrl=SQS_QUEUE_URL, ReceiptHandle=receipt_handle)
-            except Exception as e:
-                logger.error(f"Error deleting message from SQS: {str(e)}")
-                logger.info("We can skip this but delete this block of code if it fails. This means the queue is already deleted when it triggers.")
+            update_rss_feed(result["feed"], last_pub_dt)
             logger.info(f"Processed feed: {feed['u']}")
-
-            # Record metrics
-            record_processed_articles(len(result['articles']))
+            record_processed_articles(len(result["articles"]))
         else:
             logger.warning(f"Failed to process feed: {feed['u']}")
             record_extraction_errors(1)
 
     except RSSProcessingError as e:
         logger.error(f"RSS Processing Error: {str(e)}")
-        return {'statusCode': 500, 'body': json.dumps('RSS processing failed')}
+        return {"statusCode": 500, "body": json.dumps("RSS processing failed")}
 
     except Exception as e:
         logger.error(f"Unexpected error: {str(e)}")
-        return {'statusCode': 500, 'body': json.dumps('An unexpected error occurred')}
+        return {"statusCode": 500, "body": json.dumps("An unexpected error occurred")}
 
     finally:
         end_time = time.time()
@@ -77,7 +62,4 @@ def lambda_handler(event, context):
         record_processing_time(processing_time)
         logger.info(f"Lambda execution time: {processing_time:.2f} seconds")
 
-    return {
-        'statusCode': 200,
-        'body': json.dumps('RSS feed processed successfully')
-    }
+    return {"statusCode": 200, "body": json.dumps("RSS feed processed successfully")}

src/infra/lambdas/RSSQueueFiller/deploy_sqs_filler_lambda.py

@@ -49,20 +49,12 @@ def deploy_sqs_filler():
                                 'ParameterValue': os.getenv('QUEUE_FILLER_LAMBDA_NAME')
                             },
                             {
-                                'ParameterKey': 'SqsQueueUrl',
-                                'ParameterValue': os.getenv('SQS_QUEUE_URL')
+                                'ParameterKey': 'RedisUrl',
+                                'ParameterValue': os.getenv('REDIS_URL')
                             },
                             {
-                                'ParameterKey': 'DynamoDbTableName',
-                                'ParameterValue': os.getenv('DYNAMODB_TABLE_NAME')
-                            },
-                            {
-                                'ParameterKey': 'DynamoDbTableArn',
-                                'ParameterValue': os.getenv('DYNAMODB_TABLE_ARN')
-                            },
-                            {
-                                'ParameterKey': 'SqsQueueArn',
-                                'ParameterValue': os.getenv('SQS_QUEUE_ARN')
+                                'ParameterKey': 'RedisQueueName',
+                                'ParameterValue': os.getenv('REDIS_QUEUE_NAME')
                             },
                             {
                                 'ParameterKey': 'LambdaCodeS3Bucket',

src/infra/lambdas/RSSQueueFiller/lambda/lambda_function.py

@@ -1,57 +1,39 @@
 import json
 import os
-import boto3
-from decimal import Decimal
-from datetime import datetime
 import logging
+from datetime import datetime
+import redis
 
 logger = logging.getLogger()
 logger.setLevel("INFO")
 
-dynamodb = boto3.resource('dynamodb')
-sqs = boto3.client('sqs')
+REDIS_URL = os.environ["REDIS_URL"]
+REDIS_QUEUE_NAME = os.environ.get("REDIS_QUEUE_NAME", "rss-feed-queue")
+RSS_FEEDS_FILE = os.environ.get("RSS_FEEDS_FILE", "rss_feeds.json")
 
-SQS_QUEUE_URL = os.environ['SQS_QUEUE_URL']
-DYNAMODB_TABLE_NAME = os.environ['DYNAMODB_TABLE_NAME']
-
-class DecimalEncoder(json.JSONEncoder):
-    def default(self, obj):
-        if isinstance(obj, Decimal):
-            return int(obj)
-        return super(DecimalEncoder, self).default(obj)
+redis_client = redis.Redis.from_url(REDIS_URL)
 
 def handler(event, context):
-    table = dynamodb.Table(DYNAMODB_TABLE_NAME)
     messages_sent = 0
+    try:
+        with open(RSS_FEEDS_FILE, "r") as f:
+            feeds = json.load(f)
+    except Exception as e:
+        logger.error(f"Failed to load RSS feed file: {e}")
+        return {"statusCode": 500, "body": "Failed to load feeds"}
 
-    # Scan the DynamoDB table
-    response = table.scan()
-
-    for item in response['Items']:
-        rss_url = item.get('url')
-        rss_dt = item.get('dt')
-
-        logger.debug(f"Processing RSS feed: {rss_url}")
-        logger.debug(f"Last published date: {rss_dt}")
-        
-        if rss_url:
-            message = {
-                'u': rss_url,
-                'dt': rss_dt
-            }
-            logger.debug("message", message)
-            try:
-                sqs.send_message(
-                    QueueUrl=SQS_QUEUE_URL,
-                    MessageBody=json.dumps(message, cls=DecimalEncoder)
-                )
-                messages_sent += 1
-            except Exception as e:
-                logger.error(f"Error sending message to SQS: {str(e)}")
-
-    logger.info(f"Sent {messages_sent} messages to SQS at {datetime.now().isoformat()}")
+    for feed in feeds:
+        message = {"u": feed.get("u"), "dt": feed.get("dt")}
+        try:
+            redis_client.lpush(REDIS_QUEUE_NAME, json.dumps(message))
+            messages_sent += 1
+        except Exception as e:
+            logger.error(f"Error pushing message to Redis: {e}")
 
+    logger.info(
+        f"Sent {messages_sent} messages to Redis at {datetime.now().isoformat()}"
+    )
     return {
-        'statusCode': 200,
-        'body': json.dumps(f'Sent {messages_sent} RSS URLs to SQS')
+        "statusCode": 200,
+        "body": json.dumps(f"Sent {messages_sent} RSS URLs to Redis"),
     }

src/infra/lambdas/lambda_utils/update_lambda_env_vars.py

@@ -29,14 +29,9 @@ def update_env_vars(function_name):
         'S3_LAYER_BUCKET_NAME': os.environ.get('S3_LAYER_BUCKET_NAME'),
         'S3_LAYER_KEY_NAME': os.environ.get('S3_LAYER_KEY_NAME'),
 
-        # DynamoDB Configuration
-        'DYNAMODB_TABLE_NAME': os.environ.get('DYNAMODB_TABLE_NAME'),
-        'DYNAMODB_TABLE_ARN': os.environ.get('DYNAMODB_TABLE_ARN'),
-        
-        # SQS Configuration
-        'SQS_QUEUE_NAME': os.environ.get('SQS_QUEUE_NAME'),
-        'SQS_QUEUE_URL': os.environ.get('SQS_QUEUE_URL'),
-        'SQS_QUEUE_ARN': os.environ.get('SQS_QUEUE_ARN'),
+        # Redis Configuration
+        'REDIS_URL': os.environ.get('REDIS_URL'),
+        'REDIS_QUEUE_NAME': os.environ.get('REDIS_QUEUE_NAME'),
         
         # Queue Filler Lambda Configuration
         'QUEUE_FILLER_LAMBDA_NAME': os.environ.get('QUEUE_FILLER_LAMBDA_NAME'),

src/launch/launch_env.py

@@ -62,8 +62,8 @@ def main():
     env_vars["LAMBDA_EXECUTION_ROLE_NAME"] = f"rss-feed-processor-role-{env_vars['AWS_REGION']}"
     env_vars["LAMBDA_ROLE_ARN"] = f"arn:aws:iam::{env_vars['AWS_ACCOUNT_ID']}:role/{env_vars['LAMBDA_EXECUTION_ROLE_NAME']}"
     env_vars["S3_BUCKET_NAME"] = f"open-rss-articles-{env_vars['AWS_REGION']}"
-    env_vars["DYNAMODB_TABLE_NAME"] = get_env_value("DYNAMODB_TABLE_NAME", "Enter DynamoDB Table Name:", options=["rss-feeds-table", "custom-rss-table"], advanced=advanced_mode)
-    env_vars["SQS_QUEUE_NAME"] = get_env_value("SQS_QUEUE_NAME", "Enter SQS Queue Name:", options=["rss-feed-queue", "custom-rss-queue"], advanced=advanced_mode)
+    env_vars["REDIS_URL"] = get_env_value("REDIS_URL", "Enter Redis URL:", options=["redis://localhost:6379"], advanced=advanced_mode)
+    env_vars["REDIS_QUEUE_NAME"] = get_env_value("REDIS_QUEUE_NAME", "Enter Redis Queue Name:", options=["rss-feed-queue"], advanced=advanced_mode)
     
     # Advanced Configuration
     env_vars["LAMBDA_LAYER_VERSION"] = 3
@@ -72,9 +72,6 @@ def main():
     env_vars["S3_LAYER_BUCKET_NAME"] = f"rss-feed-processor-layers-{env_vars['AWS_REGION']}"
     env_vars["S3_LAMBDA_ZIPPED_BUCKET_NAME"] = f"open-rss-lambda-{env_vars['AWS_REGION']}"
     env_vars["S3_LAYER_KEY_NAME"] = get_env_value("S3_LAYER_KEY_NAME", "Enter S3 Layer Key Name:", options=["RSSFeedProcessorDependencies", "CustomDependencies"], advanced=advanced_mode)
-    env_vars["SQS_QUEUE_URL"] = f"https://sqs.{env_vars['AWS_REGION']}.amazonaws.com/{env_vars['AWS_ACCOUNT_ID']}/{env_vars['SQS_QUEUE_NAME']}"
-    env_vars["SQS_QUEUE_ARN"] = f"arn:aws:sqs:{env_vars['AWS_REGION']}:{env_vars['AWS_ACCOUNT_ID']}:{env_vars['SQS_QUEUE_NAME']}"
-    env_vars["DYNAMODB_TABLE_ARN"] = f"arn:aws:dynamodb:{env_vars['AWS_REGION']}:{env_vars['AWS_ACCOUNT_ID']}:table/{env_vars['DYNAMODB_TABLE_NAME']}"
     
     env_vars["PYTHON_VERSION"] = get_env_value("PYTHON_VERSION", "Enter Python Version:", options=["3.8", "3.9", "3.10", "3.11", "3.12"], advanced=advanced_mode)
     env_vars["LAMBDA_RUNTIME"] = f"python{env_vars['PYTHON_VERSION']}"

src/utils/check_env.py

@@ -20,16 +20,13 @@ def check_env() -> None:
         "LAMBDA_EXECUTION_ROLE_NAME",
         "LAMBDA_ROLE_ARN",
         "S3_BUCKET_NAME",
-        "DYNAMODB_TABLE_NAME",
-        "SQS_QUEUE_NAME",
+        "REDIS_URL",
+        "REDIS_QUEUE_NAME",
         "LAMBDA_LAYER_VERSION",
         "LAMBDA_LAYER_NAME",
         "LAMBDA_LAYER_ARN",
         "S3_LAYER_BUCKET_NAME",
         "S3_LAYER_KEY_NAME",
-        "SQS_QUEUE_URL",
-        "SQS_QUEUE_ARN",
-        "DYNAMODB_TABLE_ARN",
         "PYTHON_VERSION",
         "LAMBDA_RUNTIME",
         "LAMBDA_TIMEOUT",

template.env

@@ -13,8 +13,8 @@ STACK_BASE=${LAMBDA_FUNCTION_NAME}
 LAMBDA_EXECUTION_ROLE_NAME=rss-feed-processor-role-${AWS_REGION}
 LAMBDA_ROLE_ARN=arn:aws:iam::${AWS_ACCOUNT_ID}:role/${LAMBDA_EXECUTION_ROLE_NAME}
 S3_BUCKET_NAME=open-rss-articles-${AWS_REGION}
-DYNAMODB_TABLE_NAME=rss-feeds-table
-SQS_QUEUE_NAME=rss-feed-queue
+REDIS_URL=redis://localhost:6379
+REDIS_QUEUE_NAME=rss-feed-queue
 
 
 LAMBDA_LAYER_VERSION=6 # This is fixed.
@@ -25,10 +25,6 @@ S3_LAMBDA_ZIPPED_BUCKET_NAME=open-rss-lambda-${AWS_REGION}
 
 S3_LAYER_BUCKET_NAME=rss-feed-processor-layers-${AWS_REGION}
 S3_LAYER_KEY_NAME= RSSFeedProcessorDependencies
-
-SQS_QUEUE_URL=https://sqs.${AWS_REGION}.amazonaws.com/${AWS_ACCOUNT_ID}/${SQS_QUEUE_NAME}
-SQS_QUEUE_ARN=arn:aws:sqs:${AWS_REGION}:${AWS_ACCOUNT_ID}:${SQS_QUEUE_NAME}
-DYNAMODB_TABLE_ARN=arn:aws:dynamodb:${AWS_REGION}:${AWS_ACCOUNT_ID}:table/${DYNAMODB_TABLE_NAME}
 PYTHON_VERSION=3.12
 LAMBDA_RUNTIME=python${PYTHON_VERSION}
 LAMBDA_TIMEOUT=300

tree.md

@@ -17,7 +17,6 @@
 │   │   ├── __pycache__
 │   │   │   └── deploy_infrastructure.cpython-312.pyc
 │   │   ├── cloudformation
-│   │   │   ├── dynamo.yaml
 │   │   │   ├── lambda_role.yaml
 │   │   │   ├── rss_lambda_stack.yaml
 │   │   │   ├── s3.yaml