Dynamic macro to micro scale calculation of energy consumption in CI/CD pipelines

Sammanfattning: This thesis applies energy measurements to the domain of continuous integration (CI) and continuous delivery (CD) pipelines. The goal is to conduct transparent and fine-granular energy measurements of these pipelines, increasing awareness and allowing optimizations regarding their energy efficiency. CI and CD automate processes like compilation, running tests, and code analysis tools and can improve the software quality and developer experience and enable more frequent releases. Initially, the applicability of existing energy measurement approaches for these tasks is analyzed. Afterward, a generic framework consisting of a pipeline run analyzer, a resource consumption collector, and an energy calculator is proposed. A representative implementation for a state-of-the-art infrastructure is devised to demonstrate its functionality, enabling the collection, analysis, and interpretation of data from real-world examples. Finally, it is examined whether this data aligns with the theoretical considerations and can be used to optimize the pipelines. The overall goal is to contribute to the sustainability of DevOps processes and therefore counteract the disastrous consequences of unrestrained climate change.