MVP: Infrastructure Operators

[tobiscr]

Description

The Infrastructure Operators are essential components in the new reconciler architecture. They are following the K8s operator pattern reacting to data changes (defined in CRs).

The Infrastructure Operators will be responsible for the lifecycle management of managed Kubernetes clusters (SKR clusters) and their underlying network setup.

Acceptance criteria

• [ ] Create dedicated repositories for infrastructure operators' code base in the kyma-project organisation
• [x] CRDs are the data schema of CR resources and build the contract between the Provisioner Operator and other KCP components. The requirements of the infrastructure operators (especially in regards to the Cluster CRDs or how kubeconfig data are stored) are defined and aligned with other KCP components (e.g. KEB).
  • [x] Cluster CRD is created: https://github.com/kyma-incubator/reconciler/issues/1047
• [ ] The operators have to react on Cluster CRs and, depending on the resource change,
  • [ ] create/update/delete network configurations used by the Gardener cluster
  • [ ] create/update/delete Kubernetes clusters by interacting with Gardener
• [ ] Store/update the kubeconfig of a created Kubernetes cluster in a dedicated resource (e.g. 'Secret` resource)
• [ ] Operational requirements are covered
  • [ ] Exposing analysis and statistic-relevant data via Prometheus endpoint
  • [ ] Logging of critical events
  • [ ] Auditlog is integrated
  • [ ] Operational test was executed and trouble-shooting guides were created
• [ ] Documentation of the architectural design
• [ ] Security threat-modelling passed
• [ ] Microdelivery process established
• [ ] Load test executed and thresholds / limitations are identified

Issues https://github.com/kyma-project/kyma/issues/13759

Appendix

• CRD = Custom Resource Definition
• CR = Custom Resource
• BYOC = Bring your own cluster
• SKR = SAP Kyma Runtime

[janmedrek]

Should take into account:

• https://github.com/kyma-project/control-plane/issues/1952
• https://github.com/kyma-project/control-plane/pull/2078

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In response to [this](https://github.com/kyma-project/lifecycle-manager/issues/12#issuecomment-1620226088): >This issue or PR has been automatically closed due to the lack of activity. >Thank you for your contributions. > >This bot triages issues and PRs according to the following rules: >- After 60d of inactivity, `lifecycle/stale` is applied >- After 7d of inactivity since `lifecycle/stale` was applied, the issue is closed > >You can: >- Reopen this issue or PR with `/reopen` >- Mark this issue or PR as fresh with `/remove-lifecycle stale` > >If you think that I work incorrectly, kindly [raise an issue](https://github.com/kyma-project/test-infra/issues/new/choose) with the problem. > >/close Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

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