Generate a runtime Jsonnet library directly from JSON Schemas, CRDs or OpenAPI components.
This project is actively used in several projects, most notably Grafonnet. It can be consider in a usable state for production projects.
jb install https://github.com/crdsonnet/crdsonnet/crdsonnetThe static render engine generates the Jsonnet AST representation, calling toString() on the result will return the actual Jsonnet:
// static.libsonnet
local crdsonnet = import 'github.com/crdsonnet/crdsonnet/crdsonnet/main.libsonnet';
local schema = {
type: 'object',
properties: {
name: {
type: 'string',
},
},
};
local processor = crdsonnet.processor.new('ast');
crdsonnet.schema.render('person', schema, processor).toString()Use the -S flag to treat the output as a string and pipe it into jsonnetfmt for a clean output:
> jsonnet -S -J vendor static.libsonnet | jsonnetfmt -The output looks like this:
{
person+:
{
'#withName': { 'function': { args: [{ default: null, enums: null, name: 'value', type: ['string'] }], help: '' } },
withName(value): {
name: value,
},
},
}Dynamic rendering can generate an in-memory runtime library. This can be useful when quickly iterating on a schema and don't want to make a static rendering on each change. However it makes debugging harder and it can become slow on big schemas.
local crdsonnet = import 'github.com/crdsonnet/crdsonnet/crdsonnet/main.libsonnet';
local schema = {
type: 'object',
properties: {
name: {
type: 'string',
},
},
};
local lib = crdsonnet.schema.render('person', schema);
lib.person.withName('John')CRDsonnet generates libraries with documentation included. It leverages docsonnet.
To render the docs, a top-level package needs to be defined:
// docs.libsonnet
local d = import 'github.com/jsonnet-libs/docsonnet/doc-util/main.libsonnet';
local example =
(import './main.libsonnet')
+ {
'#':
d.package.new(
'example',
'github.com/example/example',
'Jsonnet library for example',
'main.libsonnet',
),
};
d.render(example)jsonnet -J vendor -S -c -m docs docs.libsonnet
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