K8s: Add apimachinery and apiserver packages (#83190)

2024-02-23 15:15:43 -05:00
parent f4b432841b
commit e5a26a3f7c
84 changed files with 701 additions and 1020 deletions
@@ -1,69 +0,0 @@
-package builder
-
-import (
-	"net/http"
-
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/runtime/serializer"
-	"k8s.io/apiserver/pkg/authorization/authorizer"
-	"k8s.io/apiserver/pkg/registry/generic"
-	genericapiserver "k8s.io/apiserver/pkg/server"
-	"k8s.io/kube-openapi/pkg/common"
-	"k8s.io/kube-openapi/pkg/spec3"
-)
-
-// TODO: this (or something like it) belongs in grafana-app-sdk,
-// but lets keep it here while we iterate on a few simple examples
-type APIGroupBuilder interface {
-	// Get the main group name
-	GetGroupVersion() schema.GroupVersion
-
-	// Add the kinds to the server scheme
-	InstallSchema(scheme *runtime.Scheme) error
-
-	// Build the group+version behavior
-	GetAPIGroupInfo(
-		scheme *runtime.Scheme,
-		codecs serializer.CodecFactory,
-		optsGetter generic.RESTOptionsGetter,
-		dualWrite bool,
-	) (*genericapiserver.APIGroupInfo, error)
-
-	// Get OpenAPI definitions
-	GetOpenAPIDefinitions() common.GetOpenAPIDefinitions
-
-	// Get the API routes for each version
-	GetAPIRoutes() *APIRoutes
-
-	// Optionally add an authorization hook
-	// Standard namespace checking will happen before this is called, specifically
-	// the namespace must matches an org|stack that the user belongs to
-	GetAuthorizer() authorizer.Authorizer
-}
-
-// Builders that implement OpenAPIPostProcessor are given a chance to modify the schema directly
-type OpenAPIPostProcessor interface {
-	PostProcessOpenAPI(*spec3.OpenAPI) (*spec3.OpenAPI, error)
-}
-
-// This is used to implement dynamic sub-resources like pods/x/logs
-type APIRouteHandler struct {
-	Path    string           // added to the appropriate level
-	Spec    *spec3.PathProps // Exposed in the open api service discovery
-	Handler http.HandlerFunc // when Level = resource, the resource will be available in context
-}
-
-// APIRoutes define explicit HTTP handlers in an apiserver
-// TBD: is this actually necessary -- there may be more k8s native options for this
-type APIRoutes struct {
-	// Root handlers are registered directly after the apiVersion identifier
-	Root []APIRouteHandler
-
-	// Namespace handlers are mounted under the namespace
-	Namespace []APIRouteHandler
-}
-
-type APIRegistrar interface {
-	RegisterAPI(builder APIGroupBuilder)
-}