consul/agent/grpc-external/services/dataplane/get_envoy_bootstrap_params.go

135 lines
4.2 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package dataplane
import (
"context"
"errors"
"strings"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/types/known/structpb"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/configentry"
"github.com/hashicorp/consul/agent/consul/state"
external "github.com/hashicorp/consul/agent/grpc-external"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/agent/xds/accesslogs"
"github.com/hashicorp/consul/proto-public/pbdataplane"
)
func (s *Server) GetEnvoyBootstrapParams(ctx context.Context, req *pbdataplane.GetEnvoyBootstrapParamsRequest) (*pbdataplane.GetEnvoyBootstrapParamsResponse, error) {
proxyID := req.ProxyId
if req.GetServiceId() != "" {
proxyID = req.GetServiceId()
}
logger := s.Logger.Named("get-envoy-bootstrap-params").With("proxy_id", proxyID, "request_id", external.TraceID())
logger.Trace("Started processing request")
defer logger.Trace("Finished processing request")
options, err := external.QueryOptionsFromContext(ctx)
if err != nil {
return nil, err
}
var authzContext acl.AuthorizerContext
entMeta := acl.NewEnterpriseMetaWithPartition(req.GetPartition(), req.GetNamespace())
authz, err := s.ACLResolver.ResolveTokenAndDefaultMeta(options.Token, &entMeta, &authzContext)
if err != nil {
return nil, status.Error(codes.Unauthenticated, err.Error())
}
store := s.GetStore()
_, svc, err := store.ServiceNode(req.GetNodeId(), req.GetNodeName(), proxyID, &entMeta, structs.DefaultPeerKeyword)
if err != nil {
logger.Error("Error looking up service", "error", err)
if errors.Is(err, state.ErrNodeNotFound) {
return nil, status.Error(codes.NotFound, err.Error())
} else if strings.Contains(err.Error(), "Node ID or name required") {
return nil, status.Error(codes.InvalidArgument, err.Error())
} else {
return nil, status.Error(codes.Internal, "Failure looking up service")
}
}
if svc == nil {
return nil, status.Error(codes.NotFound, "Service not found")
}
if err := authz.ToAllowAuthorizer().ServiceReadAllowed(svc.ServiceName, &authzContext); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
_, ns, err := configentry.MergeNodeServiceWithCentralConfig(
nil,
store,
svc.ToNodeService(),
logger,
)
if err != nil {
logger.Error("Error merging with central config", "error", err)
return nil, status.Errorf(codes.Unknown, "Error merging central config: %v", err)
}
bootstrapConfig, err := structpb.NewStruct(ns.Proxy.Config)
if err != nil {
logger.Error("Error creating the envoy boostrap params config", "error", err)
return nil, status.Error(codes.Unknown, "Error creating the envoy boostrap params config")
}
// Inspect access logging
// This is non-essential, and don't want to return an error unless there is a more serious issue
var accessLogs []string
if ns != nil {
accessLogs = makeAccessLogs(&ns.Proxy.AccessLogs, logger)
}
// Build out the response
var serviceName string
if svc.ServiceKind == structs.ServiceKindConnectProxy {
serviceName = svc.ServiceProxy.DestinationServiceName
} else {
serviceName = svc.ServiceName
}
return &pbdataplane.GetEnvoyBootstrapParamsResponse{
Identity: serviceName,
Service: serviceName,
Partition: svc.EnterpriseMeta.PartitionOrDefault(),
Namespace: svc.EnterpriseMeta.NamespaceOrDefault(),
Config: bootstrapConfig,
Datacenter: s.Datacenter,
NodeName: svc.Node,
AccessLogs: accessLogs,
}, nil
}
func makeAccessLogs(logs *structs.AccessLogsConfig, logger hclog.Logger) []string {
var accessLogs []string
if logs.Enabled {
envoyLoggers, err := accesslogs.MakeAccessLogs(logs, false)
if err != nil {
logger.Warn("Error creating the envoy access log config", "error", err)
}
accessLogs = make([]string, 0, len(envoyLoggers))
for _, msg := range envoyLoggers {
logConfig, err := protojson.Marshal(msg)
if err != nil {
logger.Warn("Error marshaling the envoy access log config", "error", err)
}
accessLogs = append(accessLogs, string(logConfig))
}
}
return accessLogs
}