/
applier_server_side.go
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/
applier_server_side.go
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/*
Copyright (c) Microsoft Corporation.
Licensed under the MIT license.
*/
package work
import (
"context"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/dynamic"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
fleetv1beta1 "go.goms.io/fleet/apis/placement/v1beta1"
"go.goms.io/fleet/pkg/utils/controller"
)
// ServerSideApplier applies the manifest to the cluster using server side apply.
type ServerSideApplier struct {
HubClient client.Client
WorkNamespace string
SpokeDynamicClient dynamic.Interface
}
// ApplyUnstructured applies the manifest to the cluster using server side apply according to the given apply strategy.
func (applier *ServerSideApplier) ApplyUnstructured(ctx context.Context, applyStrategy *fleetv1beta1.ApplyStrategy, gvr schema.GroupVersionResource, manifestObj *unstructured.Unstructured) (*unstructured.Unstructured, ApplyAction, error) {
force := applyStrategy.ServerSideApplyConfig.ForceConflicts
manifestRef := klog.KObj(manifestObj)
// support resources with generated name
if manifestObj.GetName() == "" && manifestObj.GetGenerateName() != "" {
klog.V(2).InfoS("Create the resource with generated name regardless", "gvr", gvr, "manifest", manifestRef)
return serverSideApply(ctx, applier.SpokeDynamicClient, force, gvr, manifestObj)
}
curObj, err := applier.SpokeDynamicClient.Resource(gvr).Namespace(manifestObj.GetNamespace()).Get(ctx, manifestObj.GetName(), metav1.GetOptions{})
switch {
case errors.IsNotFound(err):
return serverSideApply(ctx, applier.SpokeDynamicClient, force, gvr, manifestObj)
case err != nil:
return nil, errorApplyAction, controller.NewAPIServerError(false, err)
}
result, err := validateOwnerReference(ctx, applier.HubClient, applier.WorkNamespace, applyStrategy, curObj.GetOwnerReferences())
if err != nil {
klog.ErrorS(err, "Skip applying a manifest", "result", result,
"gvr", gvr, "manifest", manifestRef, "applyStrategy", applyStrategy, "ownerReferences", curObj.GetOwnerReferences())
return nil, result, err
}
return serverSideApply(ctx, applier.SpokeDynamicClient, force, gvr, manifestObj)
}