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projectref.go
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projectref.go
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package logging
import (
"context"
"fmt"
"strings"
"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/clients/generated/apis/k8s/v1alpha1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
type Project struct {
ProjectID string
}
func ResolveProject(ctx context.Context, reader client.Reader, src client.Object, ref *v1alpha1.ResourceRef) (*Project, error) {
if ref == nil {
return nil, nil
}
if ref.External != "" {
if ref.Name != "" {
return nil, fmt.Errorf("cannot specify both name and external on project reference")
}
tokens := strings.Split(ref.External, "/")
if len(tokens) == 1 {
return &Project{ProjectID: tokens[0]}, nil
}
if len(tokens) == 2 && tokens[0] == "projects" {
return &Project{ProjectID: tokens[1]}, nil
}
return nil, fmt.Errorf("format of project external=%q was not known (use projects/<projectId> or <projectId>)", ref.External)
}
if ref.Name == "" {
return nil, fmt.Errorf("must specify either name or external on project reference")
}
key := types.NamespacedName{
Namespace: ref.Namespace,
Name: ref.Name,
}
if key.Namespace == "" {
key.Namespace = src.GetNamespace()
}
project := &unstructured.Unstructured{}
project.SetGroupVersionKind(schema.GroupVersionKind{
Group: "resourcemanager.cnrm.cloud.google.com",
Version: "v1beta1",
Kind: "Project",
})
if err := reader.Get(ctx, key, project); err != nil {
if apierrors.IsNotFound(err) {
return nil, fmt.Errorf("referenced Project %v not found", key)
}
return nil, fmt.Errorf("error reading referenced Project %v: %w", key, err)
}
projectID, _, err := unstructured.NestedString(project.Object, "spec", "resourceID")
if err != nil {
return nil, fmt.Errorf("reading spec.resourceID from Project %v: %w", key, err)
}
if projectID == "" {
projectID = project.GetName()
}
return &Project{
ProjectID: projectID,
}, nil
}