kubectl
Rich Interactive Widgets for Terminal UIs
kubectl | Rich Interactive Widgets for Terminal UIs | |
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13 | 24 | |
2,688 | 9,809 | |
0.9% | - | |
9.2 | 8.2 | |
5 days ago | 7 days 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.
kubectl
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What are these orphaned PVC objects?
Check https://github.com/kubernetes/kubectl/issues/151
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Setting kubectl context via env var
I have read this issue, and up to now it seems not possible to change the kubectl context via an env var: https://github.com/kubernetes/kubectl/issues/1154
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Deciding between Rust or Go for desktop applications
However, I would encourage people to take a look at what the code looks like before assuming the Go developer experience on this was positive. Bear in mind that's just the top level kubectl command and some helper functions, the subcommand definitions take up a several more files split into a few more packages. Then you're still not even done, because code that uses the parsed flags still has to redundantly check things that couldn't be enforced at the type level, something Go folks like to pretend is a good thing for some reason.
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Recommendations on file/dir/module structure, common dependencies, and/or anti-patterns for writing CLI tool in Rust
kubectl is for sure battle tested, but it involves very Kubernetes specific implementations and is going to be too complicated for the first pointer
- Recommendations on building a simple DSL REPL?
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Why Go and Not Rust?
> context.Background() is typically only used when one doesn’t care about the result. If you did care about the result, you should be passing the parent context to preserve the circuit breaker timeout in case the operation takes too long.
Not necessarily. You would use context.Background in a test situation. It's also commonly used for short-lived applications like a CLI invocation. You can see kubectl uses context.Background quite a lot: https://github.com/kubernetes/kubectl/search?q=context.backg...
> I think the level of pain you experience from mutable references in Rust depends on if you’re coming from an OOP or FP background. I have a FP background and so the patterns I use to build code already greatly restrict mutation. You can usually change code that updates data immutably (creating a new copy of it) with mutable code in rust because the control flow of your program already involves passing that new version back to the caller which also satisfies the borrow checker in most situations.
There has to be a better solution to needlessly copying data.
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kubectl - Create PV/PVC
This is particularly useful for academic purposes, and makes somehow convinient to get the yaml template of k8s objects. I was looking for this as well due to an upcoming ckad test i have. Unfourtunately due to not being considered best practice the request for it was dismissed. https://github.com/kubernetes/kubectl/issues/1073
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Must `kubectl apply` twice to allow CRD usage?
I see, apologies, I did misunderstand. This is actually a known race condition between kubectl (or even helm, or any Kube API client) issuing the requests to deploy CRs that depend on CRDs while those CRDs are still being installed on the API server. Simply put, kubectl makes these requests too quickly. There is no solution to this currently aside from deploying CRDs separately from the resources they expose. See this kubectl issue: https://github.com/kubernetes/kubectl/issues/1117, and there are some links in the comments to other issues echoing the same problem in helm and elsewhere.
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What's the number one annoyance that drives you crazy about Kubernetes?
Go add --no-really-all if you really want it: https://github.com/kubernetes/kubectl
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How to change a POD label via client-go?
You could take a look at how kubectl actually does it: https://github.com/kubernetes/kubectl/blob/master/pkg/cmd/label/label.go
Rich Interactive Widgets for Terminal UIs
- Tview – Golang Terminal UI library with rich, interactive widgets
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What are some good projects in Go for an experienced dev?
I've had fun writing an app with https://github.com/rivo/tview.
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Picnic-TUI - Where Go and Groceries Create a Command-Line Feast
Spotify-TUI was developed in Rust, therefore I couldn’t simply use the same UI framework. Within Go a popular choice is tview https://github.com/rivo/tview which provides many similar UI widgets which covered all my needs.
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GoLang — Simplifying Complexity “The Beginning”
. Web backend (with various frameworks available) . Web Assembly (one of them is vugu framework) . Microservices (some frameworks: Go Micro, Go Kit, Gizmo, Kite) . Fragments services (Term mentioned by @jeffotoni in a microservices discussion group) . Lambdas (FaaS example) . Client Server . Terminal applications (using the tview lib) . IoT (some frameworks) . Bots (some here) . Client Applications using Web technology . Desktop using Qt+QML, Native Win Lib (example Qt, Qt widgets, Qml) . Network Applications . Protocol applications . REST Applications . SOAP Applications . GraphQL Applications . RPC Applications . TCP Applications . gRPC Applications . WebSocket Applications . GopherJS (compiles Go to JavaScript)
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Recommendations on building a simple DSL REPL?
The jist of what I did: The TUI lib I used was https://github.com/rivo/tview. While technically a TUI, it didn't look like one. Tui gave me components for user input, context-aware output formatting, and configurable hotkeys and command shortcuts. History was just an in-memory string map bound to a hotkey.
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Help to find a terminal library
tview is built on top of the tcell library mentioned in another comment. I liked it so much that I forked it as cview.
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Ramen has reached v0.2.0, the first production-ready version (in my opinion)
It's tview, the same framework underlying awesome k9s project.
- Equivalent to Pythons Rich?
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WhatsApp in the terminal
A tui client for WhatsApp. My first ever go project!!! As a very slow learner I am really proud of how far I could bullshit my way through it. I used tview and whatsmeow for this.
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Need a TUI with multiline text input or good interactive CLI-interface style support
After a user request cycle, however, the tview textarea widget is now in active development so stay tuned!
What are some alternatives?
helm - The Kubernetes Package Manager
bubbletea - A powerful little TUI framework 🏗
robusta - Kubernetes observability and automation, with an awesome Prometheus integration
termui - Golang terminal dashboard
kubernetes - Production-Grade Container Scheduling and Management
gocui - Minimalist Go package aimed at creating Console User Interfaces.
client-go - Go client for Kubernetes.
go-prompt - Building powerful interactive prompts in Go, inspired by python-prompt-toolkit.
cli - GitHub’s official command line tool
tcell - Tcell is an alternate terminal package, similar in some ways to termbox, but better in others.
Mattermost - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
tui-go