consul/agent/proxycfg/config_snapshot_glue.go

67 lines
2.3 KiB
Go

package proxycfg
import (
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/logging"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// The below functions are added to ConfigSnapshot to allow it to conform to
// the ProxySnapshot interface.
func (s *ConfigSnapshot) AllowEmptyListeners() bool {
// Ingress and API gateways are allowed to inform LDS of no listeners.
return s.Kind == structs.ServiceKindIngressGateway ||
s.Kind == structs.ServiceKindAPIGateway
}
func (s *ConfigSnapshot) AllowEmptyRoutes() bool {
// Ingress and API gateways are allowed to inform RDS of no routes.
return s.Kind == structs.ServiceKindIngressGateway ||
s.Kind == structs.ServiceKindAPIGateway
}
func (s *ConfigSnapshot) AllowEmptyClusters() bool {
// Mesh, Ingress, API and Terminating gateways are allowed to inform CDS of no clusters.
return s.Kind == structs.ServiceKindMeshGateway ||
s.Kind == structs.ServiceKindTerminatingGateway ||
s.Kind == structs.ServiceKindIngressGateway ||
s.Kind == structs.ServiceKindAPIGateway
}
func (s *ConfigSnapshot) Authorize(authz acl.Authorizer) error {
var authzContext acl.AuthorizerContext
switch s.Kind {
case structs.ServiceKindConnectProxy:
s.ProxyID.EnterpriseMeta.FillAuthzContext(&authzContext)
if err := authz.ToAllowAuthorizer().ServiceWriteAllowed(s.Proxy.DestinationServiceName, &authzContext); err != nil {
return status.Errorf(codes.PermissionDenied, err.Error())
}
case structs.ServiceKindMeshGateway, structs.ServiceKindTerminatingGateway, structs.ServiceKindIngressGateway, structs.ServiceKindAPIGateway:
s.ProxyID.EnterpriseMeta.FillAuthzContext(&authzContext)
if err := authz.ToAllowAuthorizer().ServiceWriteAllowed(s.Service, &authzContext); err != nil {
return status.Errorf(codes.PermissionDenied, err.Error())
}
default:
return status.Errorf(codes.Internal, "Invalid service kind")
}
// Authed OK!
return nil
}
func (s *ConfigSnapshot) LoggerName() string {
switch s.Kind {
case structs.ServiceKindConnectProxy:
case structs.ServiceKindTerminatingGateway:
return logging.TerminatingGateway
case structs.ServiceKindMeshGateway:
return logging.MeshGateway
case structs.ServiceKindIngressGateway:
return logging.IngressGateway
}
return ""
}