Configure an Alert Based on Logging Content

1.5 hours
  • 3 Learning Objectives

About this Hands-on Lab

In this lab, we’ll walk through the process to filter over existing logging data inside of CloudWatch Logs. We’ll start by creating a SNS topic without a subscription, then filter our CloudWatch Logs data to create a metric filter. After creating a metric filter and defining our metric, we will configure an alarm to send notifications to our created SNS topic.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Create a SNS Topic Named ErrorTopic without a Subscription

Navigate to to the SNS dashboard and create a SNS topic named "ErrorTopic".

Do not enable a subscription for this SNS topic.

Create a Metric Filter on the TrackMyErrors CloudWatch Logs Log Group Filtering for StatusCode 500

Navigate to the CloudWatch Logs dashboard and create a metric filter on the TrackMyErrors CloudWatch Logs Log Group.

Create a metric filter named statuscode500 using the following filter:
[host, logName, user, timestamp, request, statusCode=5*, size].
Note: Use this exact filter for grading purposes

Create a metric based on this filter; name your metric and namespace "StatusCode500".

Create an Alarm Based on the Metric You Created

Navigate to the StatusCode500 metric and wait a short period for data to populate in the metric dashboard.

After you see data plotted for the metric, create an alarm for the metric. Configure the alarm statistic to SUM and the period to 1 minute. Configure the threshold to trigger whenever there are more than 4 events in the 1 minute period.

Configure the alarm action to send notifications when it is "In Alarm" to the SNS topic you created.

Additional Resources

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