tomli
tanka
tomli | tanka | |
---|---|---|
5 | 25 | |
439 | 2,236 | |
- | 2.1% | |
3.0 | 8.3 | |
6 days ago | 3 days ago | |
Python | Go | |
MIT License | Apache License 2.0 |
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tomli
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What Is Wrong with TOML?
But the whitespace handling involved is an extra complication, at least the provided example fails to be parsed by `tomli`, which is following the currently release TOML spec: https://github.com/hukkin/tomli/issues/199
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ConfigParser potential inconsistencies
ini files aren't standardized, the syntax is really "whatever the parser implements". For new projects I recommend using toml instead. It's ini-like, but standardized. Python 3.11 even comes with a builtin parser tomllib (earlier python versions can use tomli, which is what tomllib is based on).
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Python 3.11 will now have tomllib - Support for Parsing TOML in the Standard Library
tomllib is primary the library tomli: https://github.com/hukkin/tomli
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Upcoming Python Features Brought to You by Python Enhancement Proposals
TOML as a format is by default used by many Python tools, including build tools. This creates a bootstrapping problem for them. Additionally, many popular tools such as flake8 don't include TOML support citing its lack of support in standard library. This PEP proposes to add TOML support to standard library based on tomli which is already used by packages such as pip or pytest.
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Comparison of Python TOML parser libraries
tomli Relatively fast read-only parsing. Companion library tomli-w for writing.
tanka
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Why the fuck are we templating YAML? (2019)
I would recommend implementing a similar API to Grafana Tanka: https://tanka.dev
When you "synthesise", the returned value should be an array or an object.
1. If it's an object, check if it has an `apiVersion` and `kind` key. If it does, yield that as a kubernetes object and do not recurse.
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What Is Wrong with TOML?
Maybe you'd like jsonnet: https://jsonnet.org/
I find it particularly useful for configurations that often have repeated boilerplate, like ansible playbooks or deploying a bunch of "similar-but" services to kubernetes (with https://tanka.dev).
Dhall is also quite interesting, with some tradeoffs: https://dhall-lang.org/
A few years ago I did a small comparison by re-implementing one of my simpler ansible playbooks: https://github.com/retzkek/ansible-dhall-jsonnet
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Show HN: Keep β GitHub Actions for your monitoring tools
- validation is often impractical (at least identifying exactly where the error isβ¦ Iβm looking at you Helm!)
Unrelated to OP, but you can leverage Tanka to extend helm charts with functionality not provided by upstream.
https://tanka.dev/
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Alternatives to Helm?
Although jsonette might be considered more complex Tanka is a great alternative for k8s config management.
- Helm makes it overly complex, or is it just me?
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The YAML Document from Hell
At Grafana Labs we're using jsonnet at scale, while being a powerful functional language it is also excellent for rendering JSON/YAML config. We have developed Tanka[0] to work with Kubernetes, for other purposes I can recommend this course[1] (authored by me).
[0] https://tanka.dev/
[1] https://jsonnet-libs.github.io/jsonnet-training-course/
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Should i migrate from Kustomize to Helm?
If you're hitting the limits of Kustomize, maybe look at Tanka as well.
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Is it possible to wrap Kustomize yaml with jinja2?
Yes, try Tanka.
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Using Docker β Compose in Development and Production
yes. basically. and this is a path that multiple people are trying to solve. e.g. AWS CDK8s, https://tanka.dev/, etc
Compose would be awesome.
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Google Kubernetes clusters config checker tool
http://tanka.dev
(Note I work for Grafana Labs who fund Tanka and use it for all production config)
What are some alternatives?
toml - Tom's Obvious, Minimal Language
helm-charts - Prometheus community Helm charts
tomlkit - Style-preserving TOML library for Python
kustomize - Customization of kubernetes YAML configurations
rtoml - A fast TOML library for python implemented in rust.
kapitan - Generic templated configuration management for Kubernetes, Terraform and other things
pytoml - A TOML-0.4.0 parser/writer for Python.
ytt - YAML templating tool that works on YAML structure instead of text
toml - Python lib for TOML
kpt - Automate Kubernetes Configuration Editing
tomlplusplus - Header-only TOML config file parser and serializer for C++17.
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