Some useful resources regarding Kubernetes Operators, CRDs, etc.
- Kubernetes sample controller: https://github.com/kubernetes/sample-controller
- Joe Beda's TGIK sample repo and YouTube videos: https://github.com/jbeda/tgik-controller
- Thomas Stringer's blog post: https://medium.com/@trstringer/create-kubernetes-controllers-for-core-and-custom-resources-62fc35ad64a3
- Kube-controller-demo by Aaron Levy: https://github.com/aaronlevy/kube-controller-demo
- Analyzing value of Operator Framework for Kubernetes community: https://itnext.io/analyzing-value-of-operator-framework-for-kubernetes-community-5a65abc259ec
- Steps to generate CRD/Operator code: cloud-ark/kubeplus#14
- kubebuilder: https://github.com/kubernetes-sigs/kubebuilder
- CoreOS operator framework: https://coreos.com/blog/introducing-operator-framework
- A thread on Reddit: https://www.reddit.com/r/kubernetes/comments/8ien90/if_i_were_to_build_an_operator_what_should_i_use/
- https://www.linuxtrainingacademy.com/systemd-cheat-sheet/
- https://www.linux.com/training-tutorials/understanding-and-using-systemd/
- https://www.digitalocean.com/community/tutorials/how-to-use-systemctl-to-manage-systemd-services-and-units
- https://www.digitalocean.com/community/tutorials/systemd-essentials-working-with-services-units-and-the-journal
- https://www.youtube.com/watch?v=ZUX9Fx8Rwzg&index=9&list=PLCq0ZVVxGP0Y-xlum2pnhqwsrIf61J6Ka
- https://www.youtube.com/watch?v=AtEqbYTLHfs
(the content below is heavily borrowed from Eric Malm's blog post on application identity and Aaron Hurley's CFSummit talk on upcoming changes to routing tier in CF)