Validate / lint yaml

yamllint

• Docs
  • Configuration
• Megalinter integration
  • Megalinter looks for a .yamllint.yml config file
• pre-commit hook

Install:

apt install yamllint

Usage:

yamllint hiera/local1.yaml

v8r

A command-line JSON, YAML and TOML validator that's on your wavelength v8r is a command-line validator that uses Schema Store to detect a suitable schema for your input files based on the filename.

• GitHub
• Javascript
• Docs
  • Configuration
• Megalinter integration
• No way to exclude files from Megalinter runs ?
• Not available in Arch/AUR, Mason, Mise

Usage:

npx v8r ...

Other linters

or

cat hiera/local1.yaml| shyaml get-values

cat .gitlab-ci.yml| ysh

Format/fix yaml

prettier l.yml
prettier --write l.yml

Sort yaml

https://github.com/ddebin/yaml-sort

npm install -g yaml-sort

Yaml formaters

• prettier
• yamlfmt
  • yamlfmt's recent slow development
• yamlfix
  • Project is in Pull Request maintenance only
  • Bug: Link with anchor gets split in comment
  • Doesn't Crop long lines
  • Bug: Re-joins multiline string values even when resulting line is longer than the YAMLFIX_LINE_LENGTH