open-consul/agent/xds/response.go

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package xds
import (
envoy "github.com/envoyproxy/go-control-plane/envoy/api/v2"
envoycore "github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes/any"
"github.com/golang/protobuf/ptypes/wrappers"
)
func createResponse(typeURL string, version, nonce string, resources []proto.Message) (*envoy.DiscoveryResponse, error) {
anys := make([]*any.Any, 0, len(resources))
for _, r := range resources {
if r == nil {
continue
}
if any, ok := r.(*any.Any); ok {
anys = append(anys, any)
continue
}
data, err := proto.Marshal(r)
if err != nil {
return nil, err
}
anys = append(anys, &any.Any{
TypeUrl: typeURL,
Value: data,
})
}
resp := &envoy.DiscoveryResponse{
VersionInfo: version,
Resources: anys,
TypeUrl: typeURL,
Nonce: nonce,
}
return resp, nil
}
func makeAddress(ip string, port int) *envoycore.Address {
return &envoycore.Address{
Address: &envoycore.Address_SocketAddress{
SocketAddress: &envoycore.SocketAddress{
Address: ip,
PortSpecifier: &envoycore.SocketAddress_PortValue{
PortValue: uint32(port),
},
},
},
}
}
func makeUint32Value(n int) *wrappers.UInt32Value {
return &wrappers.UInt32Value{Value: uint32(n)}
}
func makeBoolValue(n bool) *wrappers.BoolValue {
return &wrappers.BoolValue{Value: n}
}