-
Notifications
You must be signed in to change notification settings - Fork 235
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
6 changed files
with
196 additions
and
24 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // 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 v1beta1 | ||
|
|
||
| type BackendServiceIdentity struct { | ||
| id string | ||
| parent *BackendServiceParent | ||
| } | ||
|
|
||
| type BackendServiceParent struct { | ||
| ProjectID string | ||
| Region string | ||
| } | ||
|
|
||
| func (p *BackendServiceParent) String() string { | ||
| if p.Region == "global" { | ||
| return "projects/" + p.ProjectID + "/global" | ||
| } else { | ||
| return "projects/" + p.ProjectID + "/regions/" + p.Region | ||
| } | ||
| } | ||
|
|
||
| func (i *BackendServiceIdentity) ID() string { | ||
| return i.id | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| // 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 v1beta1 | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/GoogleCloudPlatform/k8s-config-connector/pkg/k8s" | ||
|
|
||
| refsv1beta1 "github.com/GoogleCloudPlatform/k8s-config-connector/apis/refs/v1beta1" | ||
|
|
||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| var _ refsv1beta1.ExternalNormalizer = &ComputeBackendServiceRef{} | ||
| var ComputeBackendServiceGVK = GroupVersion.WithKind("ComputeBackendService") | ||
|
|
||
| // ComputeBackendServiceRef defines the resource reference to ComputeBackendService, which "External" field | ||
| // holds the GCP identifier for the KRM object. | ||
| type ComputeBackendServiceRef struct { | ||
| // The value of an externally managed ComputeBackendService resource. | ||
| // Should be in the format "projects/{{project}}/global/backendServices/{{backendService}}" | ||
| // or "projects/{{project}}/regions/{{region}}/backendServices/{{backendService}}". | ||
| External string `json:"external,omitempty"` | ||
|
|
||
| // The name of a ComputeBackendService resource. | ||
| Name string `json:"name,omitempty"` | ||
|
|
||
| // The namespace of a ComputeBackendService resource. | ||
| Namespace string `json:"namespace,omitempty"` | ||
| } | ||
|
|
||
| // NormalizedExternal provision the "External" value for other resource that depends on ComputeBackendService. | ||
| // If the "External" is given in the other resource's spec.ComputeBackendServiceRef, the given value will be used. | ||
| // Otherwise, the "Name" and "Namespace" will be used to query the actual ComputeBackendService object from the cluster. | ||
| func (r *ComputeBackendServiceRef) NormalizedExternal(ctx context.Context, reader client.Reader, otherNamespace string) (string, error) { | ||
| referenceContext := refsv1beta1.ReferenceContext{IsDirectOnly: false, TargetField: "status.selfLink"} | ||
| // Get value from spec.ComputeBackendServiceRef.external | ||
| if r.External != "" { | ||
| if r.Name != "" { | ||
| return "", fmt.Errorf("cannot specify both name and external on reference") | ||
| } | ||
| if referenceContext.IsDirectOnly { | ||
| if _, err := ParseBackendServiceExternal(r.External); err != nil { | ||
| return "", err | ||
| } | ||
| } | ||
| // To ensure backward compatibility for existing users, we do not enforce external format | ||
| // for non-direct resources | ||
| return r.External, nil | ||
| } | ||
|
|
||
| if r.Name == "" { | ||
| return "", fmt.Errorf("must specify either name or external on reference") | ||
| } | ||
|
|
||
| // Get value from the Config Connector object | ||
| if r.Namespace == "" { | ||
| r.Namespace = otherNamespace | ||
| } | ||
| key := types.NamespacedName{Name: r.Name, Namespace: r.Namespace} | ||
|
|
||
| u, err := refsv1beta1.ResolveResourceName(ctx, reader, key, ComputeBackendServiceGVK) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| actualExternalRef, found, err := unstructured.NestedString(u.Object, "status", "externalRef") | ||
| if err != nil { | ||
| return "", fmt.Errorf("error getting status.externalRef for %s %s/%s: %w", u.GetKind(), u.GetNamespace(), u.GetName(), err) | ||
| } | ||
| // If object is DirectOnly, it is created by direct controller. | ||
| // Get value from status.externalRef, which is the most trustworthy source. | ||
| if referenceContext.IsDirectOnly { | ||
| if !found || actualExternalRef == "" { | ||
| return "", fmt.Errorf("status.externalRef is required for DirectOnly resources, but is missing or empty for %s %s/%s", u.GetKind(), u.GetNamespace(), u.GetName()) | ||
| } | ||
| r.External = actualExternalRef | ||
| } | ||
|
|
||
| // If object not DirectOnly, it can be created by either direct controller or legacy controller, depends on user's settings. | ||
| // If status.externalRef does not exist, it's created by legacy controller. Get values from target field. | ||
| if !found { | ||
| targetField := referenceContext.TargetField | ||
| tokens := strings.Split(targetField, ".") | ||
| targetField, found, err := unstructured.NestedString(u.Object, tokens...) | ||
| if err != nil { | ||
| return "", fmt.Errorf("error getting target field %s for %s %s/%s: %w", targetField, u.GetKind(), u.GetNamespace(), u.GetName(), err) | ||
| } | ||
| if !found || targetField == "" { | ||
| return "", fmt.Errorf("target field %s is required but is missing or empty for %s %s/%s", targetField, u.GetKind(), u.GetNamespace(), u.GetName()) | ||
| } | ||
| r.External = targetField | ||
| } else { | ||
| // If status.externalRef exists, it's created by direct controller. Get value from status.externalRef. | ||
| r.External = actualExternalRef | ||
| } | ||
| return r.External, nil | ||
| } | ||
|
|
||
| func ParseBackendServiceExternal(external string) (identity *BackendServiceIdentity, err error) { | ||
| external = strings.TrimPrefix(external, "/") | ||
| tokens := strings.Split(external, "/") | ||
| if len(tokens) == 5 && tokens[0] == "projects" && tokens[3] == "backendServices" { | ||
| return &BackendServiceIdentity{ | ||
| parent: &BackendServiceParent{ProjectID: tokens[1], Region: tokens[2]}, | ||
| id: tokens[4], | ||
| }, nil | ||
| } else if len(tokens) == 6 && tokens[0] == "projects" && tokens[2] == "regions" && tokens[4] == "backendServices" { | ||
| return &BackendServiceIdentity{ | ||
| parent: &BackendServiceParent{ProjectID: tokens[1], Region: tokens[3]}, | ||
| id: tokens[5], | ||
| }, nil | ||
| } | ||
| acceptedFormat := "projects/{{project}}/global/backendServices/{{backendService}} or projects/{{project}}/regions/{{region}}/backendServices/{{backendService}}" | ||
| return nil, k8s.NewInvalidFormatError(external, acceptedFormat) | ||
| } |
File renamed without changes.
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters