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Automating custom Amazon EKS worker node builds using EC2 Image Builder
- Customers building 'Golden Image' Amazon Machine Images via EC2 Image Builder can extend their Image Builder pipelines to build out their Amazon EKS worker nodes as well.
- The custom EKS build process incorporates the latest Kubernetes binary patches & ensures that worker nodes always have the latest EC2 image builds.
- The post explains the process of building EKS worker node through organization's golden image pipeline & using Image Builder to run pipelines on a recurring schedule.
- An EC2 Instance Profile with necessary permissions needs to be created before beginning the Image Builder process.
- Image Builder Cascading Pipelines concept is used to build an EKS worker node from organization's golden image pipeline; AWS CloudFormation templates are provided.
- A new Image Builder Component is created to clone a public AWS GitHub repository for building custom EKS worker nodes and including necessary Linux commands.
- A new Image Builder Recipe is created to execute the component & have the AWS CLI installed, along with any test components.
- A new Image Builder Pipeline is created to build EKS worker node images on a schedule, by selecting the existing recipe created in previous section.
- Example CloudFormation templates & the process of EKS worker node deployment have also been explained.
- Using CloudFormation to build these Image Builder constructs is the recommended approach.
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