Abstract
Microservice-based applications can include hundreds of interacting software components. This makes their design, implementation, and operation complex, costly, and error-prone. While the availability of a description of the software architecture of microservice-based applications can help to analyse and maintain them, manually generating an architectural description of microservice-based applications is costly because of the number of services and of service interactions. In this paper, we propose a solution for automatically mining the architecture of a microservice-based application starting from its deployment in Kubernetes, and for generating the corresponding architecture description with the OASIS standard TOSCA. Our solution extracts information both statically, from the manifest files specifying the application deployment in Kubernetes, and dynamically, by deploying and monitoring the application on Kubernetes. We also present a first proof-of-concept implementation of our solution.
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Notes
- 1.
Following the guidelines in Kubernetes documentation [10], our solution assumes each pod in a Kubernetes deployment to form a single cohesive unit of service, i.e., that a single container is deployed to host a service, integration component, or data store. We hence abstract from “sidecar" containers accompanying such container in a pod (e.g., for monitoring and logging purposes), since they are not to be included architectural representation of a microservice-based application.
- 2.
https://github.com/di-unipi-socc/microMiner (MIT License).
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Muntoni, G., Soldani, J., Brogi, A. (2021). Mining the Architecture of Microservice-Based Applications from their Kubernetes Deployment. In: Zirpins, C., et al. Advances in Service-Oriented and Cloud Computing. ESOCC 2020. Communications in Computer and Information Science, vol 1360. Springer, Cham. https://doi.org/10.1007/978-3-030-71906-7_9
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