| /* |
| * 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 v1 hold http rest v1 API |
| package v1 |
| |
| import ( |
| "context" |
| "encoding/json" |
| "fmt" |
| "github.com/go-chassis/go-chassis/pkg/backends/quota" |
| "net/http" |
| |
| "github.com/apache/servicecomb-kie/pkg/common" |
| "github.com/apache/servicecomb-kie/pkg/model" |
| "github.com/apache/servicecomb-kie/pkg/validate" |
| "github.com/apache/servicecomb-kie/server/pubsub" |
| "github.com/apache/servicecomb-kie/server/service" |
| "github.com/apache/servicecomb-kie/server/service/mongo/session" |
| goRestful "github.com/emicklei/go-restful" |
| "github.com/go-chassis/go-chassis/server/restful" |
| "github.com/go-mesh/openlogging" |
| ) |
| |
| //KVResource has API about kv operations |
| type KVResource struct { |
| } |
| |
| //Post create a kv |
| func (r *KVResource) Post(rctx *restful.Context) { |
| var err error |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| kv := new(model.KVDoc) |
| if err = readRequest(rctx, kv); err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, fmt.Sprintf(FmtReadRequestError, err)) |
| return |
| } |
| domain := ReadDomain(rctx) |
| kv.Domain = domain.(string) |
| kv.Project = project |
| if kv.Status == "" { |
| kv.Status = common.StatusDisabled |
| } |
| err = validate.Validate(kv) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| err = quota.PreCreate("", kv.Domain, "", 1) |
| if err != nil { |
| if err == quota.ErrReached { |
| openlogging.Info(fmt.Sprintf("can not create kv %s@%s, due to quota violation", kv.Key, kv.Project)) |
| WriteErrResponse(rctx, http.StatusUnprocessableEntity, err.Error()) |
| return |
| } |
| openlogging.Error(err.Error()) |
| WriteErrResponse(rctx, http.StatusInternalServerError, "quota check failed") |
| return |
| } |
| kv, err = service.KVService.Create(rctx.Ctx, kv) |
| if err != nil { |
| openlogging.Error(fmt.Sprintf("post err:%s", err.Error())) |
| if err == session.ErrKVAlreadyExists { |
| WriteErrResponse(rctx, http.StatusConflict, err.Error()) |
| return |
| } |
| WriteErrResponse(rctx, http.StatusInternalServerError, "create kv failed") |
| return |
| } |
| err = pubsub.Publish(&pubsub.KVChangeEvent{ |
| Key: kv.Key, |
| Labels: kv.Labels, |
| Project: project, |
| DomainID: kv.Domain, |
| Action: pubsub.ActionPut, |
| }) |
| if err != nil { |
| openlogging.Warn("lost kv change event when post:" + err.Error()) |
| } |
| openlogging.Info( |
| fmt.Sprintf("post [%s] success", kv.ID)) |
| err = writeResponse(rctx, kv) |
| if err != nil { |
| openlogging.Error(err.Error()) |
| } |
| |
| } |
| |
| //Put update a kv |
| func (r *KVResource) Put(rctx *restful.Context) { |
| var err error |
| kvID := rctx.ReadPathParameter(common.PathParamKVID) |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| kvReq := new(model.UpdateKVRequest) |
| if err = readRequest(rctx, kvReq); err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, fmt.Sprintf(FmtReadRequestError, err)) |
| return |
| } |
| domain := ReadDomain(rctx) |
| kvReq.ID = kvID |
| kvReq.Domain = domain.(string) |
| kvReq.Project = project |
| err = validate.Validate(kvReq) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| kv, err := service.KVService.Update(rctx.Ctx, kvReq) |
| if err != nil { |
| openlogging.Error(fmt.Sprintf("put [%s] err:%s", kvID, err.Error())) |
| WriteErrResponse(rctx, http.StatusInternalServerError, "update kv failed") |
| return |
| } |
| err = pubsub.Publish(&pubsub.KVChangeEvent{ |
| Key: kv.Key, |
| Labels: kv.Labels, |
| Project: project, |
| DomainID: kv.Domain, |
| Action: pubsub.ActionPut, |
| }) |
| if err != nil { |
| openlogging.Warn("lost kv change event when put:" + err.Error()) |
| } |
| openlogging.Info( |
| fmt.Sprintf("put [%s] success", kvID)) |
| err = writeResponse(rctx, kv) |
| if err != nil { |
| openlogging.Error(err.Error()) |
| } |
| |
| } |
| |
| //Get search key by kv id |
| func (r *KVResource) Get(rctx *restful.Context) { |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| domain := ReadDomain(rctx).(string) |
| kvID := rctx.ReadPathParameter(common.PathParamKVID) |
| err := validateGet(domain, project, kvID) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| kv, err := service.KVService.Get(rctx.Ctx, domain, project, kvID) |
| if err != nil { |
| openlogging.Error("kv_resource: " + err.Error()) |
| if err == service.ErrKeyNotExists { |
| WriteErrResponse(rctx, http.StatusNotFound, err.Error()) |
| return |
| } |
| WriteErrResponse(rctx, http.StatusInternalServerError, "get kv failed") |
| return |
| } |
| kv.Domain = "" |
| kv.Project = "" |
| err = writeResponse(rctx, kv) |
| rctx.Ctx = context.WithValue(rctx.Ctx, common.RespBodyContextKey, kv) |
| if err != nil { |
| openlogging.Error(err.Error()) |
| } |
| } |
| |
| //List response kv list |
| func (r *KVResource) List(rctx *restful.Context) { |
| var err error |
| key := rctx.ReadQueryParameter(common.QueryParamKey) |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| domain := ReadDomain(rctx).(string) |
| err = validateList(domain, project) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| labels, err := getLabels(rctx) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, common.MsgIllegalLabels) |
| return |
| } |
| |
| offsetStr := rctx.ReadQueryParameter(common.QueryParamOffset) |
| limitStr := rctx.ReadQueryParameter(common.QueryParamLimit) |
| offset, limit, err := checkPagination(offsetStr, limitStr) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| sessionID := rctx.ReadHeader(HeaderSessionID) |
| statusStr := rctx.ReadQueryParameter(common.QueryParamStatus) |
| status, err := checkStatus(statusStr) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| returnData(rctx, &model.KVDoc{ |
| Domain: domain, |
| Project: project, |
| Key: key, |
| Labels: labels, |
| Status: status, |
| }, offset, limit, sessionID) |
| } |
| |
| func returnData(rctx *restful.Context, doc *model.KVDoc, offset, limit int64, sessionID string) { |
| revStr := rctx.ReadQueryParameter(common.QueryParamRev) |
| wait := rctx.ReadQueryParameter(common.QueryParamWait) |
| if revStr == "" { |
| if wait == "" { |
| queryAndResponse(rctx, doc, offset, limit) |
| return |
| } |
| changed, err := eventHappened(rctx, wait, &pubsub.Topic{ |
| Labels: doc.Labels, |
| Project: doc.Project, |
| MatchType: getMatchPattern(rctx), |
| DomainID: doc.Domain, |
| }) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| if changed { |
| queryAndResponse(rctx, doc, offset, limit) |
| return |
| } |
| rctx.WriteHeader(http.StatusNotModified) |
| } else { |
| revised, err := isRevised(rctx.Ctx, revStr, doc.Domain) |
| if err != nil { |
| if err == ErrInvalidRev { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| WriteErrResponse(rctx, http.StatusInternalServerError, err.Error()) |
| return |
| } |
| if revised { |
| queryAndResponse(rctx, doc, offset, limit) |
| return |
| } else if wait != "" { |
| changed, err := eventHappened(rctx, wait, &pubsub.Topic{ |
| Labels: doc.Labels, |
| Project: doc.Project, |
| MatchType: getMatchPattern(rctx), |
| DomainID: doc.Domain, |
| }) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| if changed { |
| queryAndResponse(rctx, doc, offset, limit) |
| return |
| } |
| rctx.WriteHeader(http.StatusNotModified) |
| return |
| } else { |
| rctx.WriteHeader(http.StatusNotModified) |
| } |
| } |
| } |
| |
| //Delete deletes one kv by id |
| func (r *KVResource) Delete(rctx *restful.Context) { |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| domain := ReadDomain(rctx).(string) |
| kvID := rctx.ReadPathParameter(common.PathParamKVID) |
| err := validateDelete(domain, project, kvID) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| kv, err := service.KVService.FindOneAndDelete(rctx.Ctx, kvID, domain, project) |
| if err != nil { |
| openlogging.Error("delete failed, ", openlogging.WithTags(openlogging.Tags{ |
| "kvID": kvID, |
| "error": err.Error(), |
| })) |
| if err == service.ErrKeyNotExists { |
| WriteErrResponse(rctx, http.StatusNotFound, err.Error()) |
| return |
| } |
| WriteErrResponse(rctx, http.StatusInternalServerError, common.MsgDeleteKVFailed) |
| return |
| } |
| err = pubsub.Publish(&pubsub.KVChangeEvent{ |
| Key: kv.Key, |
| Labels: kv.Labels, |
| Project: project, |
| DomainID: domain, |
| Action: pubsub.ActionDelete, |
| }) |
| if err != nil { |
| openlogging.Warn("lost kv change event:" + err.Error()) |
| } |
| rctx.WriteHeader(http.StatusNoContent) |
| } |
| |
| //DeleteList deletes multiple kvs by ids |
| func (r *KVResource) DeleteList(rctx *restful.Context) { |
| project := rctx.ReadPathParameter(common.PathParameterProject) |
| domain := ReadDomain(rctx).(string) |
| b := new(DeleteBody) |
| if err := json.NewDecoder(rctx.ReadRequest().Body).Decode(b); err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, fmt.Sprintf(FmtReadRequestError, err)) |
| return |
| } |
| err := validateDeleteList(domain, project) |
| if err != nil { |
| WriteErrResponse(rctx, http.StatusBadRequest, err.Error()) |
| return |
| } |
| kvs, err := service.KVService.FindManyAndDelete(rctx.Ctx, b.IDs, domain, project) |
| if err != nil { |
| if err == service.ErrKeyNotExists { |
| rctx.WriteHeader(http.StatusNoContent) |
| return |
| } |
| openlogging.Error("delete list failed, ", openlogging.WithTags(openlogging.Tags{ |
| "kvIDs": b.IDs, |
| "error": err.Error(), |
| })) |
| WriteErrResponse(rctx, http.StatusInternalServerError, common.MsgDeleteKVFailed) |
| return |
| } |
| for _, kv := range kvs { |
| err = pubsub.Publish(&pubsub.KVChangeEvent{ |
| Key: kv.Key, |
| Labels: kv.Labels, |
| Project: project, |
| DomainID: domain, |
| Action: pubsub.ActionDelete, |
| }) |
| if err != nil { |
| openlogging.Warn("lost kv change event:" + err.Error()) |
| } |
| } |
| rctx.WriteHeader(http.StatusNoContent) |
| } |
| |
| //URLPatterns defined config operations |
| func (r *KVResource) URLPatterns() []restful.Route { |
| return []restful.Route{ |
| { |
| Method: http.MethodPost, |
| Path: "/v1/{project}/kie/kv", |
| ResourceFunc: r.Post, |
| FuncDesc: "create a key value", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, DocHeaderContentTypeJSONAndYaml, |
| }, |
| Read: KVCreateBody{}, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusOK, |
| Model: model.DocResponseSingleKey{}, |
| }, |
| }, |
| Consumes: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| Produces: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| }, { |
| Method: http.MethodPut, |
| Path: "/v1/{project}/kie/kv/{kv_id}", |
| ResourceFunc: r.Put, |
| FuncDesc: "update a key value", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, DocPathKeyID, DocHeaderContentTypeJSONAndYaml, |
| }, |
| Read: KVUpdateBody{}, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusOK, |
| Model: model.DocResponseSingleKey{}, |
| }, |
| }, |
| Consumes: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| Produces: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| }, { |
| Method: http.MethodGet, |
| Path: "/v1/{project}/kie/kv/{kv_id}", |
| ResourceFunc: r.Get, |
| FuncDesc: "get key values by kv_id", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, DocPathKeyID, |
| }, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusOK, |
| Message: "get key value success", |
| Model: model.DocResponseSingleKey{}, |
| Headers: map[string]goRestful.Header{ |
| common.HeaderRevision: DocHeaderRevision, |
| }, |
| }, |
| { |
| Code: http.StatusNotFound, |
| Message: "key value not found", |
| }, |
| }, |
| Produces: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| }, { |
| Method: http.MethodGet, |
| Path: "/v1/{project}/kie/kv", |
| ResourceFunc: r.List, |
| FuncDesc: "list key values by labels and key", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, DocQueryKeyParameters, DocQueryLabelParameters, DocQueryWait, DocQueryMatch, DocQueryRev, |
| DocQueryLimitParameters, DocQueryOffsetParameters, |
| }, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusOK, |
| Model: model.DocResponseGetKey{}, |
| Headers: map[string]goRestful.Header{ |
| common.HeaderRevision: DocHeaderRevision, |
| }, |
| }, { |
| Code: http.StatusNotModified, |
| Message: "empty body", |
| }, |
| }, |
| Produces: []string{goRestful.MIME_JSON, common.ContentTypeYaml}, |
| }, { |
| Method: http.MethodDelete, |
| Path: "/v1/{project}/kie/kv/{kv_id}", |
| ResourceFunc: r.Delete, |
| FuncDesc: "delete key by kv ID.", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, |
| DocPathKeyID, |
| }, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusNoContent, |
| Message: "delete success", |
| }, |
| { |
| Code: http.StatusNotFound, |
| Message: "no key value found for deletion", |
| }, |
| { |
| Code: http.StatusInternalServerError, |
| Message: "server error", |
| }, |
| }, |
| }, { |
| Method: http.MethodDelete, |
| Path: "/v1/{project}/kie/kv", |
| ResourceFunc: r.DeleteList, |
| FuncDesc: "delete keys.", |
| Parameters: []*restful.Parameters{ |
| DocPathProject, DocHeaderContentTypeJSON, |
| }, |
| Read: DeleteBody{}, |
| Returns: []*restful.Returns{ |
| { |
| Code: http.StatusNoContent, |
| Message: "delete success", |
| }, |
| { |
| Code: http.StatusInternalServerError, |
| Message: "server error", |
| }, |
| }, |
| Consumes: []string{goRestful.MIME_JSON}, |
| Produces: []string{goRestful.MIME_JSON}, |
| }, |
| } |
| } |