sample-controller
Repository for sample controller. Complements sample-apiserver (by kubernetes)
percona-xtradb-cluster-operator
Percona Operator for MySQL based on Percona XtraDB Cluster (by percona)
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| sample-controller | percona-xtradb-cluster-operator | |
|---|---|---|
| 7 | 3 | |
| 3,022 | 497 | |
| 1.6% | 2.0% | |
| 0.0 | 9.3 | |
| 4 days ago | 3 days ago | |
| Go | Go | |
| Apache License 2.0 | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
sample-controller
Posts with mentions or reviews of sample-controller.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-11-25.
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Is there a tutorial on how to write an Operator in Go?
- Sample controller: https://github.com/kubernetes/sample-controller
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Writing an Operator from scratch
The most low-level approach I have seen is using the client-go package. Both kubebuilder and controller-runtime are based on this package. You can see an official example here: https://github.com/kubernetes/sample-controller/blob/master/docs/controller-client-go.md But even that sample requires some code generation on top of it https://cloud.redhat.com/blog/kubernetes-deep-dive-code-generation-customresources
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Container in cluster which can control cluster
I would still recommend gitOps tools or if you want to create your own abstraction (CRD) that encapsulates whatever behaviour you want to watch/act upon, take a look into kubernetes sample controller (https://github.com/kubernetes/sample-controller) or the kubernetes operator pattern https://kubernetes.io/docs/concepts/extend-kubernetes/operator/
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Anybody use both kubebuilder and operator-sdk to create controllers/operators?
Either should be fine. In case though you want something more basic then consider sample-controller: https://github.com/kubernetes/sample-controller
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How to get to the next Level in Kubernetes?
As far as Operator development goes, if you are comfortable with golang then I would recommend checking out sample-controller https://github.com/kubernetes/sample-controller It does not abstract the underlying client-go machinery and so provides a good way to understand how various parts of an Operator come together. On the other hand, if you don't want to get exposed to that much details then either Operator SDK or Kubebuilder will be good options. In case you are not into golang then there are SDKs for other languages as well (Python, Java, etc.).
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Opensource K8s operator developed in Go to contribute
Cool! Given that you mention you are a beginner in K8s operator development, here is a plan that I would like to suggest. 1. Get basic understanding of Kubernetes custom controllers first. The sample controller repo is a good place to start. https://github.com/kubernetes/sample-controller
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How to start combining kubernetes and go knowledge
the sample controller using client-go to learn about informers: https://github.com/kubernetes/sample-controller
percona-xtradb-cluster-operator
Posts with mentions or reviews of percona-xtradb-cluster-operator.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-12-15.
-
What's the easiest way to do database replication with Kubernetes?
At my job we use pxc operator for a clustered MySQL setup.
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How do you make OS upgrades without downtime?
Percona has a good option for that.
- Opensource K8s operator developed in Go to contribute
What are some alternatives?
When comparing sample-controller and percona-xtradb-cluster-operator you can also consider the following projects:
kubebuilder - Kubebuilder - SDK for building Kubernetes APIs using CRDs
istio - Connect, secure, control, and observe services.
kubeplus - Kubernetes Operator to create multi-instance SaaS from Helm charts using Kubernetes-native APIs
moco - MySQL operator on Kubernetes using GTID-based semi-synchronous replication.
percona-server-mongodb-operator - Percona Operator for MongoDB
shell-operator - Shell-operator is a tool for running event-driven scripts in a Kubernetes cluster
controller-runtime - Repo for the controller-runtime subproject of kubebuilder (sig-apimachinery)
metacontroller - Writing kubernetes controllers can be simple
schemahero - A Kubernetes operator for declarative database schema management (gitops for database schemas)
opentelemetry-operator - Kubernetes Operator for OpenTelemetry Collector
sample-controller vs kubebuilder
percona-xtradb-cluster-operator vs istio
sample-controller vs kubeplus
percona-xtradb-cluster-operator vs moco
sample-controller vs percona-server-mongodb-operator
percona-xtradb-cluster-operator vs shell-operator
sample-controller vs controller-runtime
percona-xtradb-cluster-operator vs percona-server-mongodb-operator
sample-controller vs metacontroller
percona-xtradb-cluster-operator vs kubeplus
percona-xtradb-cluster-operator vs schemahero
percona-xtradb-cluster-operator vs opentelemetry-operator