open-consul/agent/xds/response.go

84 lines
2.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package xds
import (
envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
envoy_discovery_v3 "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
envoy_matcher_v3 "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
"google.golang.org/protobuf/types/known/wrapperspb"
)
func createResponse(typeURL string, version, nonce string, resources []proto.Message) (*envoy_discovery_v3.DiscoveryResponse, error) {
anys := make([]*anypb.Any, 0, len(resources))
for _, r := range resources {
if r == nil {
continue
}
if any, ok := r.(*anypb.Any); ok {
anys = append(anys, any)
continue
}
data, err := proto.Marshal(r)
if err != nil {
return nil, err
}
anys = append(anys, &anypb.Any{
TypeUrl: typeURL,
Value: data,
})
}
resp := &envoy_discovery_v3.DiscoveryResponse{
VersionInfo: version,
Resources: anys,
TypeUrl: typeURL,
Nonce: nonce,
}
return resp, nil
}
func makePipeAddress(path string, mode uint32) *envoy_core_v3.Address {
return &envoy_core_v3.Address{
Address: &envoy_core_v3.Address_Pipe{
Pipe: &envoy_core_v3.Pipe{
Path: path,
Mode: mode,
},
},
}
}
func makeAddress(ip string, port int) *envoy_core_v3.Address {
return &envoy_core_v3.Address{
Address: &envoy_core_v3.Address_SocketAddress{
SocketAddress: &envoy_core_v3.SocketAddress{
Address: ip,
PortSpecifier: &envoy_core_v3.SocketAddress_PortValue{
PortValue: uint32(port),
},
},
},
}
}
func makeUint32Value(n int) *wrapperspb.UInt32Value {
return &wrapperspb.UInt32Value{Value: uint32(n)}
}
func makeBoolValue(n bool) *wrapperspb.BoolValue {
return &wrapperspb.BoolValue{Value: n}
}
func makeEnvoyRegexMatch(patt string) *envoy_matcher_v3.RegexMatcher {
return &envoy_matcher_v3.RegexMatcher{
EngineType: &envoy_matcher_v3.RegexMatcher_GoogleRe2{
GoogleRe2: &envoy_matcher_v3.RegexMatcher_GoogleRE2{},
},
Regex: patt,
}
}