Binura Gunasekara binura-g

Comparing schema validations between jsonnet and CUE.

Jsonnet requires validation functions to be written - with CUE it's built it and the result is much less verbose.

local std = std;

{

	# Organization structure for Backstage catalog
	#
	# Defines teams and users that own OpenChoreo catalog entities.
	# Projects and components are assigned owners via the backstage.io/owner
	# annotation on their Kubernetes CRs.

	# ---------------------------------------------------------------------------
	# Department
	# ---------------------------------------------------------------------------

	apiVersion: openchoreo.dev/v1alpha1
	kind: ComponentType
	metadata:
	name: simple-http-service
	namespace: default
	spec:
	workloadType: deployment

	schema:
	types:

	#@ load("@ytt:data", "data")
	#@ load("@ytt:struct", "struct")
	#@ load("@ytt:assert", "assert")

	#@ app = data.values.app

	## Note how all the logic is written in yaml comments - hence why it's been excluded from the shortlist.

	---
	apiVersion: apps/v1

	#@data/values-schema
	app:
	name: ""
	image: "nginx:1.27"
	replicas: 1
	ingressClass: "nginx"
	serviceType: "ClusterIP"
	gatewayName: "default-gateway"
	endpoints:
	- name: ""

	apiVersion: platform.example.org/v1alpha1
	kind: WebApp
	metadata:
	name: react-app
	spec:
	image: ghcr.io/acme/react-app:main
	replicas: 2
	endpoints:
	- name: react-ui
	host: app.foo.com

	apiVersion: apiextensions.crossplane.io/v1
	kind: Composition
	metadata:
	name: webapp
	spec:
	compositeTypeRef:
	apiVersion: platform.example.org/v1alpha1
	kind: WebApp
	resources:
	- name: deployment

	apiVersion: apiextensions.crossplane.io/v1
	kind: CompositeResourceDefinition
	metadata:
	name: webapps.platform.example.org
	spec:
	group: platform.example.org
	names:
	kind: WebApp
	plural: webapps
	claimNames:

	apiVersion: kro.run/v1alpha1
	kind: ResourceGraphDefinition
	metadata:
	name: webapps.kro.run
	spec:
	schema:
	apiVersion: v1alpha1
	kind: WebApp
	spec:
	name: string

	local web = import 'webApp.libsonnet';

	web.webApp({
	name: 'react',
	image: 'ghcr.io/acme/react-app:main',
	replicas: 2,
	gatewayName: 'default-gateway',
	ingressClass: 'nginx',
	serviceType: 'ClusterIP',
	endpoints: [