| // Copyright 2019 The LUCI Authors. |
| // |
| // 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 resultdb |
| |
| import ( |
| "context" |
| |
| "go.chromium.org/luci/common/errors" |
| "go.chromium.org/luci/grpc/appstatus" |
| "go.chromium.org/luci/resultdb/internal/invocations" |
| "go.chromium.org/luci/resultdb/internal/invocations/graph" |
| "go.chromium.org/luci/resultdb/internal/pagination" |
| "go.chromium.org/luci/resultdb/internal/permissions" |
| "go.chromium.org/luci/resultdb/internal/testresults" |
| "go.chromium.org/luci/resultdb/pbutil" |
| pb "go.chromium.org/luci/resultdb/proto/v1" |
| "go.chromium.org/luci/resultdb/rdbperms" |
| "go.chromium.org/luci/server/span" |
| ) |
| |
| // queryRequest is implemented by *pb.QueryTestResultsRequest, |
| // *pb.QueryTestExonerationsRequest and *pb.QueryTestResultStatisticsRequest. |
| type queryRequest interface { |
| GetInvocations() []string |
| } |
| |
| // queryRequestWithPaging is implemented by *pb.QueryTestResultsRequest and |
| // *pb.QueryTestExonerationsRequest. |
| type queryRequestWithPaging interface { |
| queryRequest |
| GetPageSize() int32 |
| } |
| |
| // validateQueryRequest returns a non-nil error if req is determined to be |
| // invalid. |
| func validateQueryRequest(req queryRequest) error { |
| if len(req.GetInvocations()) == 0 { |
| return errors.Reason("invocations: unspecified").Err() |
| } |
| for _, name := range req.GetInvocations() { |
| if err := pbutil.ValidateInvocationName(name); err != nil { |
| return errors.Annotate(err, "invocations: %q", name).Err() |
| } |
| } |
| |
| if paging, ok := req.(queryRequestWithPaging); ok { |
| // validate paging |
| if err := pagination.ValidatePageSize(paging.GetPageSize()); err != nil { |
| return errors.Annotate(err, "page_size").Err() |
| } |
| } |
| return nil |
| } |
| |
| // validateQueryTestResultsRequest returns a non-nil error if req is determined |
| // to be invalid. |
| func validateQueryTestResultsRequest(req *pb.QueryTestResultsRequest) error { |
| if err := pbutil.ValidateTestResultPredicate(req.Predicate); err != nil { |
| return errors.Annotate(err, "predicate").Err() |
| } |
| |
| return validateQueryRequest(req) |
| } |
| |
| // QueryTestResults implements pb.ResultDBServer. |
| func (s *resultDBServer) QueryTestResults(ctx context.Context, in *pb.QueryTestResultsRequest) (*pb.QueryTestResultsResponse, error) { |
| // Use one transaction for the entire RPC so that we work with a |
| // consistent snapshot of the system state. This is important to |
| // prevent subtle bugs and TOC-TOU vulnerabilities. |
| ctx, cancel := span.ReadOnlyTransaction(ctx) |
| defer cancel() |
| |
| if err := permissions.VerifyInvocationsByName(ctx, in.Invocations, rdbperms.PermListTestResults); err != nil { |
| return nil, err |
| } |
| |
| if err := validateQueryTestResultsRequest(in); err != nil { |
| return nil, appstatus.BadRequest(err) |
| } |
| readMask, err := testresults.ListMask(in.GetReadMask()) |
| if err != nil { |
| return nil, appstatus.BadRequest(err) |
| } |
| |
| // Query is valid - increment the queryInvocationsCount metric |
| queryInvocationsCount.Add(ctx, 1, "QueryTestResults", len(in.Invocations)) |
| |
| // Get the transitive closure. |
| invs, err := graph.Reachable(ctx, invocations.MustParseNames(in.Invocations)) |
| if err != nil { |
| return nil, errors.Annotate(err, "failed to read the reach").Err() |
| } |
| invocationIDs, err := invs.IDSet() |
| if err != nil { |
| return nil, err |
| } |
| |
| // Query test results. |
| q := testresults.Query{ |
| Predicate: in.Predicate, |
| PageSize: pagination.AdjustPageSize(in.PageSize), |
| PageToken: in.PageToken, |
| InvocationIDs: invocationIDs, |
| Mask: readMask, |
| } |
| trs, token, err := q.Fetch(ctx) |
| if err != nil { |
| return nil, errors.Annotate(err, "failed to read test results").Err() |
| } |
| |
| return &pb.QueryTestResultsResponse{ |
| NextPageToken: token, |
| TestResults: trs, |
| }, nil |
| } |