isopod
starlark
isopod | starlark | |
---|---|---|
4 | 22 | |
462 | 2,242 | |
0.4% | 2.1% | |
0.0 | 4.1 | |
6 months ago | 14 days ago | |
Go | Starlark | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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isopod
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Jsonnet – The Data Templating Language
Tried it[0], worked reasonably well. Be prepared for strong opposition from traditional “devops” folks “who don’t mind yaml” and will drag everyone down.
[0] - https://github.com/cruise-automation/isopod
- Deploying Kubernetes clusters in increasingly absurd languages
- YAML: It's Time to Move On
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Cue: A new language for data validation
I like Cue and Jsonnet and Starlark and so on. But all of these have very low mindshare (though Starlark has the most momentum thanks to Bazel), and who knows if they will be dead by next year.
Being an early adopter is difficult both in terms of the immaturity of the tooling — Cue, for example, only has a Go implementation at the moment — and in terms of the risk of betting on an evolutionary dead end, which can cause a lot of unnecessary churn when you want to standardize on something across an entire organization.
As a concrete example, I'd love to replace Kubernetes's use of YAML with something like the above. But the tooling is immature, and almost nobody is using any of it. For example, there's Isopod [1], which is a nice-looking tool to use Starlark with Kubernetes. But it might go the same way as Ksonnet.
[1] https://github.com/cruise-automation/isopod
starlark
- (The) Starlark Language
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Apple releases Pkl – onfiguration as code language
The implementations and users page mentioned above:
https://github.com/bazelbuild/starlark/blob/master/users.md
- Language design of Starlark (compared to Python)
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10 Ways for Kubernetes Declarative Configuration Management
Starlark: Starlark is a language for describing build transformations, inspired by Python, but with features that make it suitable for embedding in software like Bazel. It can be used for configuration generation due to its capability for deterministic evaluation and expressing complex build transformations.
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How Big Should a Programming Language Be?
In the design of Starlark (https://github.com/bazelbuild/starlark), I often had to push back against new feature requests to keep the language simple. I explicitly listed simplicity as a design goal.i
Of course, the scope of the language is not the same as general purpose languages, but there's always pressure from the users to add more things. I also think many people underestimate the cost of adding new features: it's not just about adding the code in every compiler/interpreter, specifying every edge-case in a spec, updating all the tooling for the language and writing tutorials; it's also a cost on everyone who will have to read any of the code.
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Launch HN: Moonrepo (YC W23) – Open-source build system
one of the benefits of starlark (unlike python): "Starlark is suitable for use in highly parallel applications. An application may invoke the Starlark interpreter concurrently from many threads, without the possibility of a data race, because shared data structures become immutable due to freezing." from https://github.com/bazelbuild/starlark/blob/master/spec.md - it's not python, you can't do recursion (!) and it's more limited (you can't read a file in bazel, and parse it, you have to make this operation into the graph somehow)
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When to use Bazel?
You can do the same in Bazel which uses Starlark for its BUILD files. Starlark is a dialect of Python so it makes it super easy to work with.
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[P] Docker alternative for AI/ML
Make sense. We do not use Python actually, the build language is starlark, which is the config lang used by bazel. https://github.com/bazelbuild/starlark
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The Dhall Configuration Language
Have you seen Starlark? It's not too far from that, but safer in a number of ways: https://github.com/bazelbuild/starlark
- What change should Python 4 bring, in your opinion?
What are some alternatives?
skycfg - Skycfg is an extension library for the Starlark language that adds support for constructing Protocol Buffer messages.
yaml-reference-parser
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
dhall - Maintainable configuration files
rules_jsonnet - Jsonnet rules for Bazel
dhall-kubernetes - Typecheck, template and modularize your Kubernetes definitions with Dhall
kubecfg - A tool for managing complex enterprise Kubernetes environments as code.
starlark-go - Starlark in Go: the Starlark configuration language, implemented in Go
c2bf - Compiler from C to brainfuck
openapi-python-client - Generate modern Python clients from OpenAPI
jk - Configuration as Code with ECMAScript
cdk8s - Define Kubernetes native apps and abstractions using object-oriented programming