Resolving the describe Log Streams Issue in AWS Lambda скачать в хорошем качестве

Resolving the describe Log Streams Issue in AWS Lambda

Learn how to troubleshoot and resolve `describe log streams` permission issues in AWS Lambda by understanding IAM roles and log group paths. --- This video is based on the question https://stackoverflow.com/q/76553643/ asked by the user 'chaulap' ( https://stackoverflow.com/u/7065267/ ) and on the answer https://stackoverflow.com/a/76562485/ provided by the user 'Tofig Hasanov' ( https://stackoverflow.com/u/180309/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Why can't I describe log streams but my function has required permissions Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Resolving the describe Log Streams Issue in AWS Lambda: A Step-by-Step Guide If you've ever found yourself unable to describe log streams while working with AWS Lambda, despite having the necessary permissions, you are not alone. This frustrating issue can often lead to confusion about IAM roles and their configurations. In this guide, we will explore this specific problem, provide clarity on the permissions involved, and outline a clear path to resolve the issue. Understanding the Issue The Scenario You might be trying to execute a piece of code that aims to describe log streams using the AWS SDK for JavaScript: [[See Video to Reveal this Text or Code Snippet]] Despite having assigned the appropriate permissions to your Lambda function's IAM role, you find that the describe log streams action fails. You have confirmed that you can perform other actions, such as message retrieval from an SQS queue. So what's going wrong? The Common Permissions You Might Expect Your IAM role might include permissions for various CloudWatch actions such as: Create Log Groups Create Log Streams Describe Log Streams Put Log Events Tag Resources However, you'll soon see that not all permissions are equal; their effectiveness can depend on specific conditions. The Core of the Problem The issue lies not in the permissions themselves but rather in the way your IAM policy is defined in relation to the actual path of the log group you are trying to access. In the provided IAM policy, the permission for DescribeLogStreams is limited to log groups under the /aws/lambda prefix: [[See Video to Reveal this Text or Code Snippet]] If your log group does not reside in the /aws/lambda path, you won't be able to describe it. This path limitation is a common oversight that can lead to frustration. Steps to Resolve the Issue 1. Identify the Log Group Path First, confirm the exact path of the log group you are trying to access. You can do this by navigating to the CloudWatch Logs dashboard in the AWS Management Console. 2. Update the IAM Policy Modify your IAM policy to include the correct path for your log group. Depending on the actual path of your log group, you might have to adjust the Resource section of your IAM policy. For instance, if your log group is located somewhere else (e.g., log-group:/my-service/logs), change your policy like so: [[See Video to Reveal this Text or Code Snippet]] If you have multiple log groups with different paths, you can use wildcards to encompass them more broadly. 3. Test the Changes Once you have updated the IAM role, try running your Lambda function again. You should now be able to describe the log streams without issues. Conclusion By understanding how IAM policies and resource paths work in AWS, you can quickly diagnose and fix permission-related problems. Remember that the restrictions set by IAM policies are crucial in maintaining security but can sometimes lead to confusion if not aligned with your resource hierarchy. If you follow these steps and still encounter issues, double-check the paths and permissions. Working with AWS can be intricate, but taking the time to troubleshoot and ensure correct configurations will pay off in the long run. now you should be back in full control of your AWS log management!