| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 disco |
| |
| import ( |
| "fmt" |
| "io" |
| "net/http" |
| "strings" |
| |
| "github.com/go-chassis/go-chassis/v2/pkg/codec" |
| |
| discosvc "github.com/apache/servicecomb-service-center/server/service/disco" |
| |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/apache/servicecomb-service-center/pkg/rest" |
| "github.com/apache/servicecomb-service-center/pkg/util" |
| pb "github.com/go-chassis/cari/discovery" |
| ) |
| |
| type InstanceResource struct { |
| // |
| } |
| |
| func (s *InstanceResource) URLPatterns() []rest.Route { |
| return []rest.Route{ |
| {Method: http.MethodGet, Path: "/v4/:project/registry/instances", Func: s.FindInstances}, |
| {Method: http.MethodPost, Path: "/v4/:project/registry/instances/action", Func: s.InstancesAction}, |
| {Method: http.MethodGet, Path: "/v4/:project/registry/microservices/:serviceId/instances", Func: s.ListInstance}, |
| {Method: http.MethodGet, Path: "/v4/:project/registry/microservices/:serviceId/instances/:instanceId", Func: s.GetInstance}, |
| {Method: http.MethodPost, Path: "/v4/:project/registry/microservices/:serviceId/instances", Func: s.RegisterInstance}, |
| {Method: http.MethodDelete, Path: "/v4/:project/registry/microservices/:serviceId/instances/:instanceId", Func: s.UnregisterInstance}, |
| {Method: http.MethodPut, Path: "/v4/:project/registry/microservices/:serviceId/instances/:instanceId/properties", Func: s.PutInstanceProperties}, |
| {Method: http.MethodPut, Path: "/v4/:project/registry/microservices/:serviceId/instances/:instanceId/status", Func: s.PutInstanceStatus}, |
| {Method: http.MethodPut, Path: "/v4/:project/registry/microservices/:serviceId/instances/:instanceId/heartbeat", Func: s.SendHeartbeat}, |
| {Method: http.MethodPut, Path: "/v4/:project/registry/heartbeats", Func: s.SendManyHeartbeat}, |
| } |
| } |
| func (s *InstanceResource) RegisterInstance(w http.ResponseWriter, r *http.Request) { |
| message, err := io.ReadAll(r.Body) |
| if err != nil { |
| log.Error("read body failed", err) |
| rest.WriteError(w, pb.ErrInvalidParams, err.Error()) |
| return |
| } |
| |
| request := &pb.RegisterInstanceRequest{} |
| err = codec.Decode(message, request) |
| if err != nil { |
| log.Error(fmt.Sprintf("invalid json: %s", util.BytesToStringWithNoCopy(message)), err) |
| rest.WriteError(w, pb.ErrInvalidParams, "Unmarshal error") |
| return |
| } |
| if request.Instance != nil { |
| request.Instance.ServiceId = r.URL.Query().Get(":serviceId") |
| } |
| |
| resp, err := discosvc.RegisterInstance(r.Context(), request) |
| if err != nil { |
| log.Error("register instance failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, resp) |
| } |
| |
| func (s *InstanceResource) SendHeartbeat(w http.ResponseWriter, r *http.Request) { |
| query := r.URL.Query() |
| request := &pb.HeartbeatRequest{ |
| ServiceId: query.Get(":serviceId"), |
| InstanceId: query.Get(":instanceId"), |
| } |
| err := discosvc.SendHeartbeat(r.Context(), request) |
| if err != nil { |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, nil) |
| } |
| |
| func (s *InstanceResource) SendManyHeartbeat(w http.ResponseWriter, r *http.Request) { |
| message, err := io.ReadAll(r.Body) |
| if err != nil { |
| log.Error("read body failed", err) |
| rest.WriteError(w, pb.ErrInvalidParams, err.Error()) |
| return |
| } |
| |
| request := &pb.HeartbeatSetRequest{} |
| err = codec.Decode(message, request) |
| if err != nil { |
| log.Error(fmt.Sprintf("invalid json: %s", util.BytesToStringWithNoCopy(message)), err) |
| rest.WriteError(w, pb.ErrInvalidParams, "Unmarshal error") |
| return |
| } |
| resp, err := discosvc.SendManyHeartbeat(r.Context(), request) |
| if err != nil { |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, resp) |
| } |
| |
| func (s *InstanceResource) UnregisterInstance(w http.ResponseWriter, r *http.Request) { |
| query := r.URL.Query() |
| request := &pb.UnregisterInstanceRequest{ |
| ServiceId: query.Get(":serviceId"), |
| InstanceId: query.Get(":instanceId"), |
| } |
| err := discosvc.UnregisterInstance(r.Context(), request) |
| if err != nil { |
| log.Error("unregister instance failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, nil) |
| } |
| |
| func (s *InstanceResource) FindInstances(w http.ResponseWriter, r *http.Request) { |
| var ids []string |
| query := r.URL.Query() |
| keys := query.Get("tags") |
| if len(keys) > 0 { |
| ids = strings.Split(keys, ",") |
| } |
| serviceName := query.Get("serviceName") |
| request := &pb.FindInstancesRequest{ |
| ConsumerServiceId: r.Header.Get("X-ConsumerId"), |
| AppId: query.Get("appId"), |
| ServiceName: serviceName, |
| Alias: serviceName, |
| Environment: query.Get("env"), |
| Tags: ids, |
| } |
| |
| ctx := util.SetTargetDomainProject(r.Context(), r.Header.Get("X-Domain-Name"), query.Get(":project")) |
| |
| resp, err := discosvc.FindInstances(ctx, request) |
| if err != nil { |
| log.Error("find instances failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| |
| iv, _ := ctx.Value(util.CtxRequestRevision).(string) |
| ov, _ := ctx.Value(util.CtxResponseRevision).(string) |
| w.Header().Set(util.HeaderRev, ov) |
| if len(iv) > 0 && iv == ov { |
| w.WriteHeader(http.StatusNotModified) |
| return |
| } |
| rest.WriteResponse(w, r, nil, resp) |
| } |
| |
| func (s *InstanceResource) InstancesAction(w http.ResponseWriter, r *http.Request) { |
| message, err := io.ReadAll(r.Body) |
| if err != nil { |
| log.Error("read body failed", err) |
| rest.WriteError(w, pb.ErrInvalidParams, err.Error()) |
| return |
| } |
| query := r.URL.Query() |
| action := query.Get("type") |
| switch action { |
| case "query": |
| findManyInstances(w, r, message) |
| default: |
| err = fmt.Errorf("Invalid action: %s", action) |
| log.Error("invalid request", err) |
| rest.WriteError(w, pb.ErrInvalidParams, err.Error()) |
| } |
| } |
| |
| func findManyInstances(w http.ResponseWriter, r *http.Request, body []byte) { |
| request := &pb.BatchFindInstancesRequest{} |
| err := codec.Decode(body, request) |
| if err != nil { |
| log.Error(fmt.Sprintf("invalid json: %s", util.BytesToStringWithNoCopy(body)), err) |
| rest.WriteError(w, pb.ErrInvalidParams, "Unmarshal error") |
| return |
| } |
| request.ConsumerServiceId = r.Header.Get("X-ConsumerId") |
| |
| ctx := util.SetTargetDomainProject(r.Context(), r.Header.Get("X-Domain-Name"), r.URL.Query().Get(":project")) |
| resp, err := discosvc.FindManyInstances(ctx, request) |
| if err != nil { |
| log.Error("find many instances failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, resp.Response, resp) |
| } |
| |
| func (s *InstanceResource) GetInstance(w http.ResponseWriter, r *http.Request) { |
| var ids []string |
| query := r.URL.Query() |
| keys := query.Get("tags") |
| if len(keys) > 0 { |
| ids = strings.Split(keys, ",") |
| } |
| request := &pb.GetOneInstanceRequest{ |
| ConsumerServiceId: r.Header.Get("X-ConsumerId"), |
| ProviderServiceId: query.Get(":serviceId"), |
| ProviderInstanceId: query.Get(":instanceId"), |
| Tags: ids, |
| } |
| |
| resp, err := discosvc.GetInstance(r.Context(), request) |
| if err != nil { |
| log.Error("get instance failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| |
| iv, _ := r.Context().Value(util.CtxRequestRevision).(string) |
| ov, _ := r.Context().Value(util.CtxResponseRevision).(string) |
| w.Header().Set(util.HeaderRev, ov) |
| if len(iv) > 0 && iv == ov { |
| w.WriteHeader(http.StatusNotModified) |
| return |
| } |
| rest.WriteResponse(w, r, nil, resp) |
| } |
| |
| func (s *InstanceResource) ListInstance(w http.ResponseWriter, r *http.Request) { |
| var ids []string |
| query := r.URL.Query() |
| keys := query.Get("tags") |
| if len(keys) > 0 { |
| ids = strings.Split(keys, ",") |
| } |
| request := &pb.GetInstancesRequest{ |
| ConsumerServiceId: r.Header.Get("X-ConsumerId"), |
| ProviderServiceId: query.Get(":serviceId"), |
| Tags: ids, |
| } |
| resp, err := discosvc.ListInstance(r.Context(), request) |
| if err != nil { |
| log.Error("list instance failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| |
| iv, _ := r.Context().Value(util.CtxRequestRevision).(string) |
| ov, _ := r.Context().Value(util.CtxResponseRevision).(string) |
| w.Header().Set(util.HeaderRev, ov) |
| if len(iv) > 0 && iv == ov { |
| w.WriteHeader(http.StatusNotModified) |
| return |
| } |
| rest.WriteResponse(w, r, nil, resp) |
| } |
| |
| func (s *InstanceResource) PutInstanceStatus(w http.ResponseWriter, r *http.Request) { |
| query := r.URL.Query() |
| status := query.Get("value") |
| request := &pb.UpdateInstanceStatusRequest{ |
| ServiceId: query.Get(":serviceId"), |
| InstanceId: query.Get(":instanceId"), |
| Status: status, |
| } |
| err := discosvc.PutInstanceStatus(r.Context(), request) |
| if err != nil { |
| log.Error("update instance status failed", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, nil) |
| } |
| |
| func (s *InstanceResource) PutInstanceProperties(w http.ResponseWriter, r *http.Request) { |
| query := r.URL.Query() |
| message, err := io.ReadAll(r.Body) |
| if err != nil { |
| log.Error("read body failed", err) |
| rest.WriteError(w, pb.ErrInvalidParams, err.Error()) |
| return |
| } |
| request := &pb.UpdateInstancePropsRequest{ |
| ServiceId: query.Get(":serviceId"), |
| InstanceId: query.Get(":instanceId"), |
| } |
| err = codec.Decode(message, request) |
| if err != nil { |
| log.Error(fmt.Sprintf("invalid json: %s", util.BytesToStringWithNoCopy(message)), err) |
| rest.WriteError(w, pb.ErrInvalidParams, "Unmarshal error") |
| return |
| } |
| err = discosvc.PutInstanceProperties(r.Context(), request) |
| if err != nil { |
| log.Error("can not update instance properties", err) |
| rest.WriteServiceError(w, err) |
| return |
| } |
| rest.WriteResponse(w, r, nil, nil) |
| } |