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Merge pull request GoogleCloudPlatform#2529 from justinsb/pubsub_fide…
…lity mockgcp: support for PubSubSubscription
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,227 @@ | ||
| // 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 mockpubsub | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| "google.golang.org/protobuf/proto" | ||
| "google.golang.org/protobuf/types/known/durationpb" | ||
| "google.golang.org/protobuf/types/known/emptypb" | ||
| "k8s.io/klog/v2" | ||
|
|
||
| "github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp/common/projects" | ||
| pb "github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp/generated/mockgcp/pubsub/v1" | ||
| "github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp/pkg/storage" | ||
| ) | ||
|
|
||
| type subscriberService struct { | ||
| *MockService | ||
| pb.UnimplementedSubscriberServer | ||
| } | ||
|
|
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| func (s *subscriberService) CreateSubscription(ctx context.Context, req *pb.Subscription) (*pb.Subscription, error) { | ||
| name, err := s.parseSubscriptionName(req.Name) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| fqn := name.String() | ||
|
|
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| obj := ProtoClone(req) | ||
| obj.Name = name.String() | ||
|
|
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| obj.State = pb.Subscription_ACTIVE | ||
|
|
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| s.populateDefaultsForSubscription(obj) | ||
|
|
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| // Unlike many other APIs, creation is eventually consistent (not immediately visible in GET) | ||
| go func() { | ||
| ctx := context.Background() | ||
| time.Sleep(2 * time.Second) | ||
| if err := s.storage.Create(ctx, fqn, obj); err != nil { | ||
| klog.Errorf("error creaing pubsub Subscription: %v", err) | ||
| } | ||
| }() | ||
|
|
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| return obj, nil | ||
| } | ||
|
|
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| func (s *subscriberService) populateDefaultsForSubscription(obj *pb.Subscription) { | ||
| if obj.ExpirationPolicy == nil { | ||
| obj.ExpirationPolicy = &pb.ExpirationPolicy{ | ||
| Ttl: &durationpb.Duration{ | ||
| Seconds: 3600 * 24 * 31, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| if obj.PushConfig == nil { | ||
| obj.PushConfig = &pb.PushConfig{} | ||
| } | ||
|
|
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| } | ||
|
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| func (s *subscriberService) UpdateSubscription(ctx context.Context, req *pb.UpdateSubscriptionRequest) (*pb.Subscription, error) { | ||
| reqName := req.Subscription.Name | ||
| name, err := s.parseSubscriptionName(reqName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| fqn := name.String() | ||
| existing := &pb.Subscription{} | ||
| if err := s.storage.Get(ctx, fqn, existing); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| updated := ProtoClone(existing) | ||
| updated.Name = name.String() | ||
|
|
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| // Required. The update mask applies to the resource. | ||
| paths := req.GetUpdateMask().GetPaths() | ||
| if len(paths) == 0 { | ||
| // Documented as required, but not passed by terraform... | ||
| // return nil, status.Errorf(codes.InvalidArgument, "update_mask is required") | ||
| updated.AckDeadlineSeconds = req.GetSubscription().AckDeadlineSeconds | ||
| updated.EnableExactlyOnceDelivery = req.GetSubscription().EnableExactlyOnceDelivery | ||
| updated.Labels = req.GetSubscription().Labels | ||
| updated.PushConfig = req.GetSubscription().PushConfig | ||
| } | ||
| // TODO: Some sort of helper for fieldmask? | ||
| for _, path := range paths { | ||
| switch path { | ||
| case "ackDeadlineSeconds": | ||
| updated.AckDeadlineSeconds = req.GetSubscription().AckDeadlineSeconds | ||
| case "enableExactlyOnceDelivery": | ||
| updated.EnableExactlyOnceDelivery = req.GetSubscription().EnableExactlyOnceDelivery | ||
| case "labels": | ||
| updated.Labels = req.GetSubscription().Labels | ||
| case "pushConfig": | ||
| updated.PushConfig = req.GetSubscription().PushConfig | ||
| // case "expirationPolicy": | ||
| // updated.ExpirationPolicy = req.GetSubscription().ExpirationPolicy | ||
| default: | ||
| return nil, status.Errorf(codes.InvalidArgument, "update_mask path %q not supported by mock", path) | ||
| } | ||
| } | ||
|
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| s.populateDefaultsForSubscription(updated) | ||
|
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| if err := s.storage.Update(ctx, fqn, updated); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| // Very unusual behaviour on the return value pushConfig ... maybe this is actually async also? | ||
| ret := ProtoClone(updated) | ||
| if ret.PushConfig == nil { | ||
| ret.PushConfig = &pb.PushConfig{} | ||
| } | ||
| if ret.PushConfig.Attributes == nil { | ||
| ret.PushConfig.Attributes = make(map[string]string) | ||
| } | ||
| if ret.PushConfig.Attributes["x-goog-version"] == "" { | ||
| ret.PushConfig.Attributes["x-goog-version"] = "v1" | ||
| } | ||
| return ret, nil | ||
| } | ||
|
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| func (s *subscriberService) GetSubscription(ctx context.Context, req *pb.GetSubscriptionRequest) (*pb.Subscription, error) { | ||
| name, err := s.parseSubscriptionName(req.Subscription) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| fqn := name.String() | ||
| obj := &pb.Subscription{} | ||
| if err := s.storage.Get(ctx, fqn, obj); err != nil { | ||
| if status.Code(err) == codes.NotFound { | ||
| return nil, status.Errorf(codes.NotFound, "Resource not found (resource=%s).", name.ID) | ||
| } | ||
| return nil, err | ||
| } | ||
|
|
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| return obj, nil | ||
| } | ||
|
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| func (s *subscriberService) ListSubscriptions(ctx context.Context, req *pb.ListSubscriptionsRequest) (*pb.ListSubscriptionsResponse, error) { | ||
| project, err := s.Projects.GetProjectByID(req.Project) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| findPrefix := fmt.Sprintf("projects/%v/", project.ID) | ||
|
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| var subscriptions []*pb.Subscription | ||
|
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| subscriptionKind := (&pb.Subscription{}).ProtoReflect().Descriptor() | ||
| if err := s.storage.List(ctx, subscriptionKind, storage.ListOptions{}, func(obj proto.Message) error { | ||
| subscription := obj.(*pb.Subscription) | ||
| if strings.HasPrefix(subscription.Name, findPrefix) { | ||
| subscriptions = append(subscriptions, subscription) | ||
| } | ||
| return nil | ||
| }); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| return &pb.ListSubscriptionsResponse{ | ||
| Subscriptions: subscriptions, | ||
| NextPageToken: "", | ||
| }, nil | ||
| } | ||
|
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| func (s *subscriberService) DeleteSubscription(ctx context.Context, req *pb.DeleteSubscriptionRequest) (*emptypb.Empty, error) { | ||
| name, err := s.parseSubscriptionName(req.Subscription) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| fqn := name.String() | ||
| deletedObj := &pb.Subscription{} | ||
| if err := s.storage.Delete(ctx, fqn, deletedObj); err != nil { | ||
| return nil, err | ||
| } | ||
| return &emptypb.Empty{}, nil | ||
| } | ||
|
|
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| type subscriptionName struct { | ||
| Project *projects.ProjectData | ||
| ID string | ||
| } | ||
|
|
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| func (n *subscriptionName) String() string { | ||
| return fmt.Sprintf("projects/%s/subscriptions/%s", n.Project.ID, n.ID) | ||
| } | ||
|
|
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| // parseSubscriptionName parses a string into a subscriptionName. | ||
| // The expected form is `projects/*/subscriptions/*`. | ||
| func (s *MockService) parseSubscriptionName(name string) (*subscriptionName, error) { | ||
| tokens := strings.Split(name, "/") | ||
| if len(tokens) == 4 && tokens[0] == "projects" && tokens[2] == "subscriptions" { | ||
| project, err := s.Projects.GetProjectByID(tokens[1]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| name := &subscriptionName{ | ||
| Project: project, | ||
| ID: tokens[3], | ||
| } | ||
| return name, nil | ||
| } else { | ||
| return nil, status.Errorf(codes.InvalidArgument, "name %q is not valid", name) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| // 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 mockpubsub | ||
|
|
||
| import "google.golang.org/protobuf/proto" | ||
|
|
||
| // ProtoClone is a type-safe wrapper around proto.Clone | ||
| func ProtoClone[T proto.Message](t T) T { | ||
| return proto.Clone(t).(T) | ||
| } |
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