Table of contents GitOps tools in a detailed comparison: Argo CD and Flux A wide range of installation tools Connecting the environment with its sources in the repositories Resource requirements The right tool for configuration management The ecosystem Client separation High availability, load balancing and horizontal scaling Conclusion Read the article in iX 9/2023
GitOps automates configuration management in such a way that the systems themselves get the changes – checked and approved by administrators – from version management. The two tools Argo CD and Flux have established themselves for this. Both master the basic GitOps process with flying colors and also have a number of functions that are difficult to overview and that only differ in nuances.
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If you want to drive automation with GitOps, you have to decide on one of the two early on. To do this, it is essential to know your own requirements, preferably in a prioritized form. How the tools fit in there, we discuss step by step.
Johannes Schnatterer does dev, ops, training and consulting at Cloudogu. His current focus is on the cloud, containers, continuous delivery and GitOps.
When setting up, bootstrapping the GitOps operator, it is installed into the cluster and set up to point to an initial GitOps repository. Ideally, the configuration of the GitOps operator is also mapped in Git, so that future updates and changes to its configuration are also subject to the GitOps process. The first clear difference is already evident here: With the CLI command flux bootstrap, Flux offers a best practice for both the installation and the structuring of the GitOps repository. In addition, the documentation links to official examples showing how to overcome other challenges, such as promotion, cluster-wide resources and implementing the “repo per team” pattern.
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