/
manifest.go
123 lines (101 loc) · 3.84 KB
/
manifest.go
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package resource
import (
"context"
"embed"
"fmt"
"github.com/openshift/library-go/pkg/assets"
"github.com/openshift/library-go/pkg/operator/events"
"github.com/openshift/library-go/pkg/operator/resource/resourceapply"
"github.com/openshift/library-go/pkg/operator/resource/resourcehelper"
operatorhelpers "github.com/openshift/library-go/pkg/operator/v1helpers"
"github.com/stolostron/submariner-addon/pkg/redact"
"github.com/submariner-io/admiral/pkg/log"
"github.com/submariner-io/admiral/pkg/resource"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/kubernetes"
logf "sigs.k8s.io/controller-runtime/pkg/log"
)
var logger = log.Logger{Logger: logf.Log.WithName("Resource")}
var (
genericScheme = runtime.NewScheme()
genericCodec = serializer.NewCodecFactory(genericScheme).UniversalDeserializer()
)
func init() {
utilruntime.Must(appsv1.AddToScheme(genericScheme))
utilruntime.Must(corev1.AddToScheme(genericScheme))
utilruntime.Must(rbacv1.AddToScheme(genericScheme))
utilruntime.Must(apiextensionsv1.AddToScheme(genericScheme))
}
func ApplyManifests(ctx context.Context, kubeClient kubernetes.Interface, recorder events.Recorder,
cache resourceapply.ResourceCache, assetFunc resourceapply.AssetFunc, files ...string,
) error {
applyResults := resourceapply.ApplyDirectly(ctx, resourceapply.NewKubeClientHolder(kubeClient), recorder, cache,
assetFunc, files...)
errs := []error{}
for _, result := range applyResults {
if result.Error != nil {
errs = append(errs, fmt.Errorf("error applying %q (%T): %w", result.File, result.Type, result.Error))
} else if result.Changed {
logger.Infof("%s from file %q created/updated: %s", result.Type, result.File, redact.JSON(resource.ToJSON(result.Result)))
}
}
return operatorhelpers.NewMultiLineAggregate(errs)
}
func DeleteFromManifests(ctx context.Context, kubeClient kubernetes.Interface, recorder events.Recorder, assetFunc resourceapply.AssetFunc,
files ...string,
) error {
errs := []error{}
for _, file := range files {
objectRaw, err := assetFunc(file)
if err != nil {
errs = append(errs, err)
continue
}
object, _, err := genericCodec.Decode(objectRaw, nil, nil)
if err != nil {
errs = append(errs, err)
continue
}
switch t := object.(type) {
case *corev1.Namespace:
err = kubeClient.CoreV1().Namespaces().Delete(ctx, t.Name, metav1.DeleteOptions{})
case *rbacv1.Role:
err = kubeClient.RbacV1().Roles(t.Namespace).Delete(ctx, t.Name, metav1.DeleteOptions{})
case *rbacv1.RoleBinding:
err = kubeClient.RbacV1().RoleBindings(t.Namespace).Delete(ctx, t.Name, metav1.DeleteOptions{})
case *corev1.ServiceAccount:
err = kubeClient.CoreV1().ServiceAccounts(t.Namespace).Delete(ctx, t.Name, metav1.DeleteOptions{})
default:
err = fmt.Errorf("unhandled type %T", object)
}
if errors.IsNotFound(err) {
continue
}
if err != nil {
errs = append(errs, err)
continue
}
gvk := resourcehelper.GuessObjectGroupVersionKind(object)
recorder.Eventf(fmt.Sprintf("Submariner%sDeleted", gvk.Kind), "Deleted %s",
resourcehelper.FormatResourceForCLIWithNamespace(object))
logger.Infof("Deleted %s %q", gvk.Kind, resource.MustToMeta(object).GetName())
}
return operatorhelpers.NewMultiLineAggregate(errs)
}
func AssetFromFile(manifestFiles embed.FS, config interface{}) resourceapply.AssetFunc {
return func(name string) ([]byte, error) {
template, err := manifestFiles.ReadFile(name)
if err != nil {
return nil, err
}
return assets.MustCreateAssetFromTemplate(name, template, config).Data, nil
}
}