kubebuilder
ali
Our great sponsors
| kubebuilder | ali | |
|---|---|---|
| 45 | 3 | |
| 7,384 | 3,632 | |
| 1.8% | - | |
| 9.2 | 3.1 | |
| 6 days ago | 6 months ago | |
| Go | Go | |
| Apache License 2.0 | MIT License |
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.
kubebuilder
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SpinKube: Orchestrating light, fast and efficient WebAssembly (Wasm) workloads in Kubernetes (k8s)
The Spin operator uses the Kubebuilder framework and contains a Spin App Custom Resource Definition (CRD) and controller. It watches Spin App Custom Resources and realizes the desired state in the K8s cluster. Aside from the immediate benefits gained by running Wasm workloads in k8s, additional optimizations such as Horizontal Pod Scaling (HPA) and k8s Event-driven Autoscaling (KEDA) can be achieved in a pinch.
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Building a Kubernetes Operator with the Operator Framework
kubebuilder: brew install kubebuilder
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Annotations in Kubernetes Operator Design
The operator that I've been working on is designed to manage the full lifecycle of a QuestDB database instance, including version and hardware upgrades, config changes, backups, and (eventually) recovery from node failure. I used the Operator SDK and kubebuilder frameworks to provide scaffolding and API support.
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Kubebuilder Tips and Tricks
Recently, I've been spending a lot of time writing a Kubernetes operator using the go operator-sdk, which is built on top of the Kubebuilder framework. This is a list of a few tips and tricks that I've compiled over the past few months working with these frameworks.
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We moved our Cloud operations to a Kubernetes Operator
Since we built our operator using the Kubebuilder framework, most standard monitoring tasks were handled for us out-of-the-box. Our operator automatically exposes a rich set of Prometheus metrics that measure reconciliation performance, the number of k8s API calls, workqueue statistics, and memory-related metrics. We we were able to ingest these metrics into pre-built dashboards by leveraging the grafana/v1-alpha plugin, which scaffolds two Grafana dashboards to monitor Operator resource usage and performance. All we had to do was add these to our existing Grafana manifests and we were good to go!
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Has anyone ever tried to learn how k8s works?
I wrote a CSI driver and some operators. I admire K8s, because you can find solution to almost any problem in the source code - API versioning, load balancing, request throttling, optimistic concurrency, security, and much much more. I recommend https://book.kubebuilder.io/ It is similar to Operator SDK, but without Openshift-specific stuff. It gradually introduces you to many k8s concepts, and follows design patterns that k8s uses internally.
- What Is A Kubernetes Operator?
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If you write a Kubernetes Operator: Events vs Conditions?
Do you mean this: https://book.kubebuilder.io/ ?
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Kubernetes Operators
https://book.kubebuilder.io/ all you need to know
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Writing a Kubernetes Operator
A better way to write an operator these days is to use kubebuilder [1].
My complaint is that I have seen orgs write operators for random stuff, often reinventing the wheel. Lot of operators in orgs are result of resume driven development. Having said that it often comes handy for complex orchestration.
[1]https://github.com/kubernetes-sigs/kubebuilder
ali
- Ali v0.7.0 – HTTP load testing tool that comes with a time-series DB
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A load testing tool with a real-time analyzer, written in Go
found it: https://github.com/nakabonne/ali
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Gopher Gold #14 - Wed Oct 07 2020
nakabonne/ali (Go): Generate HTTP load and plot the results in real-time
What are some alternatives?
helm-operator - Successor: https://github.com/fluxcd/helm-controller — The Flux Helm Operator, once upon a time a solution for declarative Helming.
fission - Fast and Simple Serverless Functions for Kubernetes
client-go - Go client for Kubernetes.
go-diagrams - Create beautiful system diagrams with Go
operator-sdk - SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding.
termdash - Terminal based dashboard.
crossplane - The Cloud Native Control Plane
plow - A high-performance HTTP benchmarking tool that includes a real-time web UI and terminal display
kubegres - Kubegres is a Kubernetes operator allowing to deploy one or many clusters of PostgreSql instances and manage databases replication, failover and backup.
trojan-go - Go实现的Trojan代理，支持多路复用/路由功能/CDN中转/Shadowsocks混淆插件，多平台，无依赖。A Trojan proxy written in Go. An unidentifiable mechanism that helps you bypass GFW. https://p4gefau1t.github.io/trojan-go/
python - Official Python client library for kubernetes
Vegeta - HTTP load testing tool and library. It's over 9000!