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// Copyright Istio 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 grpcgen
import (
route "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
)
import (
"github.com/apache/dubbo-go-pixiu/pilot/pkg/model"
"github.com/apache/dubbo-go-pixiu/pilot/pkg/networking/core/v1alpha3"
"github.com/apache/dubbo-go-pixiu/pilot/pkg/networking/util"
)
// BuildHTTPRoutes supports per-VIP routes, as used by GRPC.
// This mode is indicated by using names containing full host:port instead of just port.
// Returns true of the request is of this type.
func (g *GrpcConfigGenerator) BuildHTTPRoutes(node *model.Proxy, push *model.PushContext, routeNames []string) model.Resources {
resp := model.Resources{}
for _, routeName := range routeNames {
if rc := buildHTTPRoute(node, push, routeName); rc != nil {
resp = append(resp, &discovery.Resource{
Name: routeName,
Resource: util.MessageToAny(rc),
})
}
}
return resp
}
func buildHTTPRoute(node *model.Proxy, push *model.PushContext, routeName string) *route.RouteConfiguration {
// TODO use route-style naming instead of cluster naming
_, _, hostname, port := model.ParseSubsetKey(routeName)
if hostname == "" || port == 0 {
log.Warn("Failed to parse ", routeName)
return nil
}
virtualHosts, _, _ := v1alpha3.BuildSidecarOutboundVirtualHosts(node, push, routeName, port, nil, &model.DisabledCache{})
// Only generate the required route for grpc. Will need to generate more
// as GRPC adds more features.
return &route.RouteConfiguration{
Name: routeName,
VirtualHosts: virtualHosts,
}
}