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In this article, Zachary Travis provides a comprehensive guide on setting up notifications using AWS Simple Notification Service (SNS). SNS is a powerful service that allows you to send notifications via email, HTTP calls, SQS queues, and even trigger AWS Lambda functions for further processing.
You Should Know:
1. Setting Up SNS Topic:
aws sns create-topic --name MyTopic
2. Subscribing to the Topic:
aws sns subscribe --topic-arn arn:aws:sns:us-east-1:123456789012:MyTopic --protocol email --notification-endpoint [email protected]
3. Publishing a Message to the Topic:
aws sns publish --topic-arn arn:aws:sns:us-east-1:123456789012:MyTopic --message "Hello, this is a test message."
4. Triggering a Lambda Function:
aws lambda create-function --function-name MyLambdaFunction --runtime python3.8 --handler lambda_function.lambda_handler --role arn:aws:iam::123456789012:role/lambda-execution-role --code S3Bucket=my-bucket,S3Key=lambda-code.zip
5. Setting Up CloudWatch Alarms:
aws cloudwatch put-metric-alarm --alarm-name MyAlarm --metric-name MyMetric --namespace AWS/SNS --statistic Average --period 300 --threshold 1 --comparison-operator GreaterThanOrEqualToThreshold --evaluation-periods 1 --alarm-actions arn:aws:sns:us-east-1:123456789012:MyTopic
6. Sending SMS Notifications:
aws sns publish --phone-number +1234567890 --message "Hello, this is a test SMS."
7. Creating an SQS Queue:
aws sqs create-queue --queue-name MyQueue
8. Subscribing SQS to SNS:
aws sns subscribe --topic-arn arn:aws:sns:us-east-1:123456789012:MyTopic --protocol sqs --notification-endpoint arn:aws:sqs:us-east-1:123456789012:MyQueue
9. Sending Notifications via HTTP:
aws sns publish --topic-arn arn:aws:sns:us-east-1:123456789012:MyTopic --message "Hello, this is a test HTTP message." --message-attributes '{"endpoint":{"DataType":"String","StringValue":"http://example.com/endpoint"}}'
10. Monitoring SNS with CloudWatch:
aws cloudwatch get-metric-statistics --namespace AWS/SNS --metric-name NumberOfMessagesPublished --start-time 2023-10-01T00:00:00Z --end-time 2023-10-31T23:59:59Z --period 3600 --statistics Sum
What Undercode Say:
AWS SNS is a versatile service that can be integrated into various applications to enable real-time notifications. By following the steps outlined in this guide, you can set up SNS to send notifications via multiple channels, including email, SMS, and HTTP. Additionally, you can trigger AWS Lambda functions for further processing and monitor your SNS topics using CloudWatch. This makes SNS an essential tool for building scalable and responsive cloud applications.
For more detailed instructions, you can refer to the original article: Step-by-Step Guide to Building an AWS SNS Application.
References:
Reported By: Darryl Ruggles – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
