Datadog Agent Agent not collecting AWS metrics

AWS metrics collection is not enabled or the agent lacks the necessary AWS permissions.

Understanding Datadog Agent

Datadog is a powerful monitoring and analytics tool designed to provide comprehensive visibility into your infrastructure and applications. The Datadog Agent is a lightweight software that collects metrics, traces, and logs from your hosts and sends them to Datadog for aggregation and analysis. It supports a wide range of integrations, including AWS, to help you monitor cloud resources effectively.

Symptom: Agent Not Collecting AWS Metrics

One common issue users encounter is the Datadog Agent not collecting AWS metrics. This can manifest as missing data in your Datadog dashboards or alerts not triggering as expected. You might notice that your AWS resources, such as EC2 instances or RDS databases, are not reporting metrics, leading to gaps in monitoring coverage.

Identifying the Issue

The primary cause of this issue is often related to configuration settings or permissions. Specifically, AWS metrics collection may not be enabled, or the Datadog Agent might lack the necessary permissions to access AWS resources. Without proper configuration, the agent cannot retrieve and send AWS metrics to Datadog.

Check AWS Integration Settings

First, ensure that AWS integration is correctly set up in Datadog. You can verify this by navigating to the AWS Integration page in your Datadog account. Confirm that the integration is enabled and configured with the correct AWS account details.

Verify IAM Permissions

Next, check that the IAM role or user associated with Datadog has the necessary permissions. The role should have policies that allow access to AWS CloudWatch metrics. You can find detailed instructions on setting up the correct permissions in the Datadog AWS Integration documentation.

Steps to Fix the Issue

Follow these steps to resolve the issue of the Datadog Agent not collecting AWS metrics:

Step 1: Enable AWS Metrics Collection

Log in to your Datadog account and go to the AWS Integration page.
Ensure that the integration is enabled by checking the status toggle.
Verify that the correct AWS account is linked and that the necessary services are selected for monitoring.

Step 2: Configure IAM Role with Correct Permissions

Access the AWS Management Console and navigate to the IAM service.
Locate the IAM role or user associated with Datadog.
Ensure that the role has the ReadOnlyAccess policy or a custom policy that includes permissions for CloudWatch metrics.
Refer to the Datadog documentation for a list of required permissions.

Step 3: Verify Data Collection

After configuring the integration and permissions, wait for a few minutes for data to start flowing.
Check your Datadog dashboards to confirm that AWS metrics are being collected and displayed.
If issues persist, consult the Datadog Agent troubleshooting guide for further assistance.

Conclusion

By ensuring that AWS metrics collection is enabled and that the Datadog Agent has the necessary permissions, you can effectively monitor your AWS resources. Proper configuration and permissions are crucial for seamless data collection and analysis in Datadog. For more detailed guidance, refer to the Datadog AWS Integration documentation.

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