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Merge pull request #2829 from justinsb/mockgcp_monitoriningmetricdesc…
…riptor mockgcp: support for MonitoringMetricDescriptor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| // 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 mockmonitoring | ||
|
|
||
| import ( | ||
| "context" | ||
| "sort" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp/common/projects" | ||
| pb "github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp/generated/mockgcp/monitoring/v3" | ||
| "github.com/golang/protobuf/ptypes/empty" | ||
| "google.golang.org/genproto/googleapis/api" | ||
| metric "google.golang.org/genproto/googleapis/api/metric" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| type metricService struct { | ||
| *MockService | ||
| pb.UnimplementedMetricServiceServer | ||
| } | ||
|
|
||
| func (s *metricService) GetMetricDescriptor(ctx context.Context, req *pb.GetMetricDescriptorRequest) (*metric.MetricDescriptor, error) { | ||
| name, err := s.parseMetricDescriptorName(req.GetName()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| fqn := name.String() | ||
|
|
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| obj := &metric.MetricDescriptor{} | ||
| if err := s.storage.Get(ctx, fqn, obj); err != nil { | ||
| if status.Code(err) == codes.NotFound { | ||
| return nil, status.Errorf(codes.NotFound, "Could not find descriptor for metric '%s'.", name.MetricID) | ||
| } | ||
| return nil, err | ||
| } | ||
|
|
||
| // returned object does not include launchStage or metadata | ||
| retObj := ProtoClone(obj) | ||
| retObj.LaunchStage = api.LaunchStage_LAUNCH_STAGE_UNSPECIFIED | ||
| retObj.Metadata = nil | ||
|
|
||
| return retObj, nil | ||
| } | ||
|
|
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| func populateDefaultsForMetricDescriptor(obj *metric.MetricDescriptor) { | ||
| if obj.MonitoredResourceTypes == nil { | ||
| obj.MonitoredResourceTypes = []string{ | ||
| "aws_ec2_instance", | ||
| "aws_lambda_function", | ||
| "aws_sqs_queue", | ||
| "baremetalsolution.googleapis.com/Instance", | ||
| "cloud_composer_environment", | ||
| "cloud_composer_workflow", | ||
| "cloud_dataproc_batch", | ||
| "dataflow_job", | ||
| "gae_instance", | ||
| "gce_instance", | ||
| "generic_node", | ||
| "generic_task", | ||
| "gke_container", | ||
| "global", | ||
| "k8s_cluster", | ||
| "k8s_container", | ||
| "k8s_node", | ||
| "k8s_pod", | ||
| "k8s_service", | ||
| "prometheus_target", | ||
| } | ||
| } | ||
| } | ||
|
|
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| func (s *metricService) CreateMetricDescriptor(ctx context.Context, req *pb.CreateMetricDescriptorRequest) (*metric.MetricDescriptor, error) { | ||
| metricDescriptorID := req.GetMetricDescriptor().GetType() | ||
| if metricDescriptorID == "" { | ||
| return nil, status.Errorf(codes.InvalidArgument, "type is required") | ||
| } | ||
|
|
||
| reqName := req.GetName() + "/metricDescriptors/" + metricDescriptorID | ||
| name, err := s.parseMetricDescriptorName(reqName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| fqn := name.String() | ||
|
|
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| obj := ProtoClone(req.MetricDescriptor) | ||
| obj.Name = fqn | ||
|
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| // Creation is actually async - but without an LRO (!!!) | ||
| go func() { | ||
| ctx := context.Background() | ||
| log := klog.FromContext(ctx) | ||
|
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| time.Sleep(1 * time.Second) | ||
|
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| obj = ProtoClone(obj) | ||
|
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| populateDefaultsForMetricDescriptor(obj) | ||
|
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| // Labels are reordered | ||
| sort.Slice(obj.Labels, func(i, j int) bool { | ||
| return obj.Labels[i].Key < obj.Labels[j].Key | ||
| }) | ||
|
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| if err := s.storage.Create(ctx, fqn, obj); err != nil { | ||
| log.Error(err, "error creating metricDescriptor") | ||
| } | ||
| }() | ||
|
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| return obj, nil | ||
| } | ||
|
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| func (s *metricService) DeleteMetricDescriptor(ctx context.Context, req *pb.DeleteMetricDescriptorRequest) (*empty.Empty, error) { | ||
| name, err := s.parseMetricDescriptorName(req.Name) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| fqn := name.String() | ||
|
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| // Deletion is actually async - but without an LRO (!!!) | ||
| go func() { | ||
| ctx := context.Background() | ||
| log := klog.FromContext(ctx) | ||
|
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| time.Sleep(10 * time.Second) | ||
| deleted := &metric.MetricDescriptor{} | ||
| if err := s.storage.Delete(ctx, fqn, deleted); err != nil { | ||
| log.Error(err, "error deleting metricDescriptor") | ||
| } | ||
| }() | ||
|
|
||
| return &empty.Empty{}, nil | ||
| } | ||
|
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| type metricDescriptorName struct { | ||
| Project *projects.ProjectData | ||
| MetricID string | ||
| } | ||
|
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| func (n *metricDescriptorName) String() string { | ||
| return "projects/" + n.Project.ID + "/metricDescriptors/" + n.MetricID | ||
| } | ||
|
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| // parseMetricDescriptorName parses a string into a metricDescriptorName. | ||
| // The format is: | ||
| // | ||
| // projects/[PROJECT_ID_OR_NUMBER]/metricDescriptors/[METRIC_ID] | ||
| // | ||
| // An example value of `[METRIC_ID]` is | ||
| // `"compute.googleapis.com/instance/disk/read_bytes_count"`. | ||
| func (s *MockService) parseMetricDescriptorName(name string) (*metricDescriptorName, error) { | ||
| tokens := strings.Split(name, "/") | ||
|
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| // Note: this is unusual - the ID can contain slashes (which are our delimiter) | ||
| if len(tokens) >= 4 && tokens[0] == "projects" && tokens[2] == "metricDescriptors" { | ||
| project, err := s.Projects.GetProjectByID(tokens[1]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| name := &metricDescriptorName{ | ||
| Project: project, | ||
| MetricID: strings.Join(tokens[3:], "/"), | ||
| } | ||
|
|
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| return name, nil | ||
| } else { | ||
| return nil, status.Errorf(codes.InvalidArgument, "name %q is not valid", name) | ||
| } | ||
| } |
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