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Expressions: Add option to disable feature (#30541)

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* Expressions: Add option to disable feature

* Apply suggestions from code review

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>
This commit is contained in:
Sofia Papagiannaki
2021-01-22 19:27:33 +02:00
committed by GitHub
co-authored by achatterjee-grafana
parent 5d52e50f6f
commit 9ada4b6052
15 changed files with 99 additions and 28 deletions
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pkg/expr/transform.go
+9 -6
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@@ -16,7 +16,7 @@ import (
"google.golang.org/grpc/status"
)
func WrapTransformData(ctx context.Context, query *tsdb.TsdbQuery) (*tsdb.Response, error) {
func (s *Service) WrapTransformData(ctx context.Context, query *tsdb.TsdbQuery) (*tsdb.Response, error) {
sdkReq := &backend.QueryDataRequest{
PluginContext: backend.PluginContext{
OrgID: query.User.OrgId,
@@ -41,7 +41,7 @@ func WrapTransformData(ctx context.Context, query *tsdb.TsdbQuery) (*tsdb.Respon
},
})
}
pbRes, err := TransformData(ctx, sdkReq)
pbRes, err := s.TransformData(ctx, sdkReq)
if err != nil {
return nil, err
}
@@ -69,17 +69,20 @@ func WrapTransformData(ctx context.Context, query *tsdb.TsdbQuery) (*tsdb.Respon
// TransformData takes Queries which are either expressions nodes
// or are datasource requests.
func TransformData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
svc := Service{}
func (s *Service) TransformData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
if s.isDisabled() {
return nil, status.Error(codes.PermissionDenied, "Expressions are disabled")
}
// Build the pipeline from the request, checking for ordering issues (e.g. loops)
// and parsing graph nodes from the queries.
pipeline, err := svc.BuildPipeline(req)
pipeline, err := s.BuildPipeline(req)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
// Execute the pipeline
responses, err := svc.ExecutePipeline(ctx, pipeline)
responses, err := s.ExecutePipeline(ctx, pipeline)
if err != nil {
return nil, status.Error(codes.Unknown, err.Error())
}