Subnet Operator - I Must Break Your Spreadsheet
I do not hate your spreadsheet. Hatred is inefficient. I observe only that it is wrong, that everyone in the room knows it is wrong...
A subnet operator has been created to help maintain network inventories and tags within a cloud environment. This operator reads the tags on resources, such as subnets and VPCs, and creates Kubernetes objects that can be queried and managed with standard tools like kubectl and Prometheus. The operator does not maintain an inventory of resources, as the cloud itself already knows what exists.
Instead, the operator focuses on identifying subnets without owner tags and suggests actions to assign ownership. There are three options for handling unmanaged subnets: notifying a human, tagging the subnet manually, or automatically assigning ownership based on the creator's role or inheritance from the parent VPC. The operator aims to simplify network management by leveraging existing cloud knowledge and reducing the need for manual spreadsheet management.
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