feat: dynamic rest mapper (#129)

## Description

Not having a dynamic rest mapper is problematic for Zarf health checks
with CRDs. See [#3010](zarf-dev/zarf#3010)

---------

Signed-off-by: Austin Abro <[email protected]>

Author: AustinAbro321

kubernetes/go.mod

@@ -7,6 +7,7 @@ require (
 	k8s.io/apimachinery v0.29.1
 	k8s.io/client-go v0.29.1
 	sigs.k8s.io/cli-utils v0.36.0
+	sigs.k8s.io/controller-runtime v0.16.3
 )
 
 require (
@@ -56,7 +57,6 @@ require (
 	k8s.io/klog/v2 v2.110.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect
-	sigs.k8s.io/controller-runtime v0.16.3 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/kustomize/api v0.15.0 // indirect
 	sigs.k8s.io/kustomize/kyaml v0.15.0 // indirect

kubernetes/wait.go

@@ -7,16 +7,15 @@ import (
 	"context"
 
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/discovery"
 	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/rest"
-	"k8s.io/client-go/restmapper"
 	"sigs.k8s.io/cli-utils/pkg/kstatus/polling/aggregator"
 	"sigs.k8s.io/cli-utils/pkg/kstatus/polling/collector"
 	"sigs.k8s.io/cli-utils/pkg/kstatus/polling/event"
 	"sigs.k8s.io/cli-utils/pkg/kstatus/status"
 	"sigs.k8s.io/cli-utils/pkg/kstatus/watcher"
 	"sigs.k8s.io/cli-utils/pkg/object"
+	"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
 )
 
 // WatcherForConfig returns a status watcher for the give Kubernetes configuration.
@@ -25,16 +24,15 @@ func WatcherForConfig(cfg *rest.Config) (watcher.StatusWatcher, error) {
 	if err != nil {
 		return nil, err
 	}
-	discoveryClient, err := discovery.NewDiscoveryClientForConfig(cfg)
+	httpClient, err := rest.HTTPClientFor(cfg)
 	if err != nil {
 		return nil, err
 	}
-	groupResources, err := restmapper.GetAPIGroupResources(discoveryClient)
+	restMapper, err := apiutil.NewDynamicRESTMapper(cfg, httpClient)
 	if err != nil {
 		return nil, err
 	}
-	rm := restmapper.NewDiscoveryRESTMapper(groupResources)
-	sw := watcher.NewDefaultStatusWatcher(dynamicClient, rm)
+	sw := watcher.NewDefaultStatusWatcher(dynamicClient, restMapper)
 	return sw, nil
 }