/
runtime.go
52 lines (47 loc) · 1.8 KB
/
runtime.go
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// Copyright Project Contour 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 v3
import (
envoy_service_runtime_v3 "github.com/envoyproxy/go-control-plane/envoy/service/runtime/v3"
"google.golang.org/protobuf/types/known/structpb"
)
const (
DynamicRuntimeLayerName = "dynamic"
maxRegexProgramSizeError = 1 << 20
maxRegexProgramSizeWarn = 1000
)
func RuntimeLayers(configurableRuntimeFields map[string]*structpb.Value) []*envoy_service_runtime_v3.Runtime {
baseLayer := baseRuntimeLayer()
for k, v := range configurableRuntimeFields {
baseLayer.Fields[k] = v
}
return []*envoy_service_runtime_v3.Runtime{
{
Name: DynamicRuntimeLayerName,
Layer: baseLayer,
},
}
}
func baseRuntimeLayer() *structpb.Struct {
return &structpb.Struct{
Fields: map[string]*structpb.Value{
// Disable Envoy removing the client TE request header. Removing
// the header was added by default in Envoy v1.29.0.
// Can remove once https://github.com/envoyproxy/envoy/pull/32255 is
// backported or present in a new release of Envoy.
"envoy.reloadable_features.sanitize_te": structpb.NewBoolValue(false),
"re2.max_program_size.error_level": structpb.NewNumberValue(maxRegexProgramSizeError),
"re2.max_program_size.warn_level": structpb.NewNumberValue(maxRegexProgramSizeWarn),
},
}
}