cloudigrade was an open-source suite of tools for tracking RHEL use in public cloud platforms, but in early 2023, its features were stripped-down to support only the minimum needs of other internal Red Hat services. The 1.0.0 tag marks the last fully-functional version of cloudigrade.

cloudigrade actively checked a user's account in a particular cloud for running instances, tracked when instances were powered on, determined if RHEL was installed on them, and provided the ability to generate reports to see how many cloud compute resources had been used in a given time period.

See the cloudigrade wiki or the following documents for more details:

• Contributing to cloudigrade
• cloudigrade architecture
• Development environment setup and commands
• REST API Examples

Doppler was an early code name for cloudigrade. Cloud Meter is a product-ized Red Hat name for its running cloudigrade service. cloudigrade == Doppler == Cloud Meter for all intents and purposes. 😉