consul/agent/xdsv2/endpoint_resources.go

62 lines
2.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package xdsv2
import (
envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
envoy_endpoint_v3 "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
"github.com/hashicorp/consul/agent/xds/response"
"github.com/hashicorp/consul/envoyextensions/xdscommon"
"github.com/hashicorp/consul/proto-public/pbmesh/v2beta1/pbproxystate"
"google.golang.org/protobuf/proto"
)
func makeEnvoyLbEndpoint(endpoint *pbproxystate.Endpoint) *envoy_endpoint_v3.LbEndpoint {
hs := int32(endpoint.GetHealthStatus().Number())
return &envoy_endpoint_v3.LbEndpoint{
HostIdentifier: &envoy_endpoint_v3.LbEndpoint_Endpoint{
Endpoint: makeEnvoyEndpoint(endpoint),
},
HealthStatus: envoy_core_v3.HealthStatus(hs),
LoadBalancingWeight: endpoint.GetLoadBalancingWeight(),
}
}
func makeEnvoyEndpoint(endpoint *pbproxystate.Endpoint) *envoy_endpoint_v3.Endpoint {
var address *envoy_core_v3.Address
if endpoint.GetUnixSocket() != nil {
address = response.MakePipeAddress(endpoint.GetUnixSocket().GetPath(), 0)
} else {
address = response.MakeAddress(endpoint.GetHostPort().GetHost(), int(endpoint.GetHostPort().Port))
}
return &envoy_endpoint_v3.Endpoint{
Address: address,
}
}
func makeEnvoyClusterLoadAssignment(clusterName string, endpoints []*pbproxystate.Endpoint) *envoy_endpoint_v3.ClusterLoadAssignment {
localityLbEndpoints := &envoy_endpoint_v3.LocalityLbEndpoints{}
for _, endpoint := range endpoints {
localityLbEndpoints.LbEndpoints = append(localityLbEndpoints.LbEndpoints, makeEnvoyLbEndpoint(endpoint))
}
return &envoy_endpoint_v3.ClusterLoadAssignment{
ClusterName: clusterName,
Endpoints: []*envoy_endpoint_v3.LocalityLbEndpoints{localityLbEndpoints},
}
}
func (pr *ProxyResources) makeXDSEndpoints() ([]proto.Message, error) {
endpoints := make([]proto.Message, 0)
for clusterName, eps := range pr.proxyState.GetEndpoints() {
if clusterName != xdscommon.LocalAppClusterName {
protoEndpoint := makeEnvoyClusterLoadAssignment(clusterName, eps.Endpoints)
endpoints = append(endpoints, protoEndpoint)
}
}
return endpoints, nil
}