consul/envoyextensions/extensioncommon/resources.go

62 lines
2.0 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package extensioncommon
import (
envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
envoy_http_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
envoy_tls_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
)
// MakeUpstreamTLSTransportSocket generates an Envoy transport socket for the given TLS context.
func MakeUpstreamTLSTransportSocket(tlsContext *envoy_tls_v3.UpstreamTlsContext) (*envoy_core_v3.TransportSocket, error) {
if tlsContext == nil {
return nil, nil
}
return MakeTransportSocket("tls", tlsContext)
}
// MakeTransportSocket generates an Envoy transport socket from the given proto message.
func MakeTransportSocket(name string, config proto.Message) (*envoy_core_v3.TransportSocket, error) {
any, err := anypb.New(config)
if err != nil {
return nil, err
}
return &envoy_core_v3.TransportSocket{
Name: name,
ConfigType: &envoy_core_v3.TransportSocket_TypedConfig{
TypedConfig: any,
},
}, nil
}
// MakeEnvoyHTTPFilter generates an Envoy HTTP filter from the given proto message.
func MakeEnvoyHTTPFilter(name string, cfg proto.Message) (*envoy_http_v3.HttpFilter, error) {
any, err := anypb.New(cfg)
if err != nil {
return nil, err
}
return &envoy_http_v3.HttpFilter{
Name: name,
ConfigType: &envoy_http_v3.HttpFilter_TypedConfig{TypedConfig: any},
}, nil
}
// MakeFilter generates an Envoy listener filter from the given proto message.
func MakeFilter(name string, cfg proto.Message) (*envoy_listener_v3.Filter, error) {
any, err := anypb.New(cfg)
if err != nil {
return nil, err
}
return &envoy_listener_v3.Filter{
Name: name,
ConfigType: &envoy_listener_v3.Filter_TypedConfig{TypedConfig: any},
}, nil
}