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This template demonstrate the use of Fluent Bit to send log to CloudWatch

Content

  • VPC, Subnet, Security Group ... for the EKS cluster
  • an EKS cluster (v1.29) and a Managed Node Group (with CloudWatch log permission attachment)
  • Kubernetes namespace and sample pod that will send logs to CloudWatch Log Group (see k8s.tf)

Verify the Set up

  • EKS Add-on: Amazon Cloudwatch Observability
    A controller manager will be deployed. Two deamonSets will be created to deploy CloudWatch Agents and Fluent Bit 
    kubectl get all -n amazon-cloudwatch
  • Testing Pod A deployment will be created to deploy Pods and write log to CloudWatch 
    kubectl get all -n cloudwatch-log-fluent-bit-namespace
  • The log
    1. Go to CloudWatch Console
    2. Find the log group, it will be in the format of /aws/containerinsights/cloudwatch-log-fluent-bit/application
    3. View the log

Deploy

terraform apply

Clean up

terraform destroy