router: add metadata to routes (#1763)

* router: add metadata to route

* router/registry: set node metadata in route

* router/service: pass metadata to/from router service
This commit is contained in:
ben-toogood 2020-06-30 14:10:13 +01:00 committed by GitHub
parent 6532b6208b
commit a95accad56
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 101 additions and 79 deletions

View File

@ -128,13 +128,14 @@ func (r *router) manageRoutes(service *registry.Service, action, network string)
// take route action on each service node
for _, node := range service.Nodes {
route := Route{
Service: service.Name,
Address: node.Address,
Gateway: "",
Network: network,
Router: r.options.Id,
Link: DefaultLink,
Metric: DefaultLocalMetric,
Service: service.Name,
Address: node.Address,
Gateway: "",
Network: network,
Router: r.options.Id,
Link: DefaultLink,
Metric: DefaultLocalMetric,
Metadata: service.Metadata,
}
if err := r.manageRoute(route, action); err != nil {

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@ -27,6 +27,8 @@ type Route struct {
Link string
// Metric is the route cost metric
Metric int64
// Metadata for the route
Metadata map[string]string
}
// Hash returns route hash sum.

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@ -722,10 +722,12 @@ type Route struct {
// the network link
Link string `protobuf:"bytes,6,opt,name=link,proto3" json:"link,omitempty"`
// the metric / score of this route
Metric int64 `protobuf:"varint,7,opt,name=metric,proto3" json:"metric,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
Metric int64 `protobuf:"varint,7,opt,name=metric,proto3" json:"metric,omitempty"`
// metadata for the route
Metadata map[string]string `protobuf:"bytes,8,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Route) Reset() { *m = Route{} }
@ -802,6 +804,13 @@ func (m *Route) GetMetric() int64 {
return 0
}
func (m *Route) GetMetadata() map[string]string {
if m != nil {
return m.Metadata
}
return nil
}
func init() {
proto.RegisterEnum("go.micro.router.AdvertType", AdvertType_name, AdvertType_value)
proto.RegisterEnum("go.micro.router.EventType", EventType_name, EventType_value)
@ -821,55 +830,59 @@ func init() {
proto.RegisterType((*Event)(nil), "go.micro.router.Event")
proto.RegisterType((*Query)(nil), "go.micro.router.Query")
proto.RegisterType((*Route)(nil), "go.micro.router.Route")
proto.RegisterMapType((map[string]string)(nil), "go.micro.router.Route.MetadataEntry")
}
func init() { proto.RegisterFile("router/service/proto/router.proto", fileDescriptor_3123ad01af3cc940) }
var fileDescriptor_3123ad01af3cc940 = []byte{
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}
// Reference imports to suppress errors if they are not otherwise used.

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@ -130,4 +130,6 @@ message Route {
string link = 6;
// the metric / score of this route
int64 metric = 7;
// metadata for the route
map<string,string> metadata = 8;
}

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@ -106,12 +106,13 @@ func (s *svc) advertiseEvents(advertChan chan *router.Advert, stream pb.Router_A
events := make([]*router.Event, len(resp.Events))
for i, event := range resp.Events {
route := router.Route{
Service: event.Route.Service,
Address: event.Route.Address,
Gateway: event.Route.Gateway,
Network: event.Route.Network,
Link: event.Route.Link,
Metric: event.Route.Metric,
Service: event.Route.Service,
Address: event.Route.Address,
Gateway: event.Route.Gateway,
Network: event.Route.Network,
Link: event.Route.Link,
Metric: event.Route.Metric,
Metadata: event.Route.Metadata,
}
events[i] = &router.Event{
@ -166,12 +167,13 @@ func (s *svc) Process(advert *router.Advert) error {
events := make([]*pb.Event, 0, len(advert.Events))
for _, event := range advert.Events {
route := &pb.Route{
Service: event.Route.Service,
Address: event.Route.Address,
Gateway: event.Route.Gateway,
Network: event.Route.Network,
Link: event.Route.Link,
Metric: event.Route.Metric,
Service: event.Route.Service,
Address: event.Route.Address,
Gateway: event.Route.Gateway,
Network: event.Route.Network,
Link: event.Route.Link,
Metric: event.Route.Metric,
Metadata: event.Route.Metadata,
}
e := &pb.Event{
Id: event.Id,
@ -232,12 +234,13 @@ func (s *svc) Lookup(q ...router.QueryOption) ([]router.Route, error) {
routes := make([]router.Route, len(resp.Routes))
for i, route := range resp.Routes {
routes[i] = router.Route{
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Link: route.Link,
Metric: route.Metric,
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Link: route.Link,
Metric: route.Metric,
Metadata: route.Metadata,
}
}

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@ -56,12 +56,13 @@ func (w *watcher) watch(stream pb.Router_WatchService) error {
}
route := router.Route{
Service: resp.Route.Service,
Address: resp.Route.Address,
Gateway: resp.Route.Gateway,
Network: resp.Route.Network,
Link: resp.Route.Link,
Metric: resp.Route.Metric,
Service: resp.Route.Service,
Address: resp.Route.Address,
Gateway: resp.Route.Gateway,
Network: resp.Route.Network,
Link: resp.Route.Link,
Metric: resp.Route.Metric,
Metadata: resp.Route.Metadata,
}
event := &router.Event{