| package cachegroup |
| |
| /* |
| * 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. |
| */ |
| |
| import ( |
| "encoding/json" |
| "errors" |
| "fmt" |
| "net/http" |
| "strconv" |
| "strings" |
| |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/api" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/dbhelpers" |
| ) |
| |
| const queue = "queue" |
| const dequeue = "dequeue" |
| |
| func QueueUpdates(w http.ResponseWriter, r *http.Request) { |
| inf, userErr, sysErr, errCode := api.NewInfo(r, []string{"id"}, []string{"id"}) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr) |
| return |
| } |
| defer inf.Close() |
| |
| // Validate body and params |
| reqObj := tc.CachegroupQueueUpdatesRequest{} |
| if err := json.NewDecoder(r.Body).Decode(&reqObj); err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, errors.New("malformed JSON: "+err.Error()), nil) |
| return |
| } |
| if reqObj.Action != queue && reqObj.Action != dequeue { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, errors.New("action must be 'queue' or 'dequeue'"), nil) |
| return |
| } |
| if reqObj.CDNID == nil && (reqObj.CDN == nil || *reqObj.CDN == "") { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, errors.New("cdn is a required field"), nil) |
| return |
| } |
| |
| var cdnID int64 |
| if reqObj.CDNID != nil && (reqObj.CDN == nil || *reqObj.CDN == "") { |
| cdnName, ok, sysErr := dbhelpers.GetCDNNameFromID(inf.Tx.Tx, int64(*reqObj.CDNID)) |
| if sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, sysErr) |
| return |
| } |
| if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, fmt.Errorf("cdn id %d does not exist", *reqObj.CDNID), nil) |
| return |
| } |
| cdnID = int64(*reqObj.CDNID) |
| reqObj.CDN = &cdnName |
| } |
| |
| if reqObj.CDNID == nil && (reqObj.CDN != nil && *reqObj.CDN != "") { |
| var found bool |
| var cdnIDint int |
| cdnIDint, found, sysErr = dbhelpers.GetCDNIDFromName(inf.Tx.Tx, *reqObj.CDN) |
| cdnID = int64(cdnIDint) |
| if sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, sysErr) |
| return |
| } |
| if !found { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, fmt.Errorf("cdn %s does not exist", *reqObj.CDN), nil) |
| return |
| } |
| } |
| |
| cgID := inf.IntParams["id"] |
| cgName, ok, err := dbhelpers.GetCacheGroupNameFromID(inf.Tx.Tx, cgID) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("getting cachegroup name from ID '"+inf.Params["id"]+"': "+err.Error())) |
| return |
| } else if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, nil, nil) |
| return |
| } |
| |
| queue := reqObj.Action == "queue" |
| if queue { |
| userErr, sysErr, statusCode := dbhelpers.CheckIfCurrentUserHasCdnLock(inf.Tx.Tx, string(*reqObj.CDN), inf.User.UserName) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, statusCode, userErr, sysErr) |
| return |
| } |
| } |
| |
| // Queue updates |
| var updatedCaches []tc.CacheName |
| if reqObj.Action == "queue" { |
| updatedCaches, err = dbhelpers.QueueUpdateForServerWithCachegroupCDN(inf.Tx.Tx, cgID, cdnID) |
| } else { |
| updatedCaches, err = dbhelpers.DequeueUpdateForServerWithCachegroupCDN(inf.Tx.Tx, cgID, cdnID) |
| } |
| |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("queueing updates: "+err.Error())) |
| return |
| } |
| |
| api.WriteResp(w, r, QueueUpdatesResp{ |
| CacheGroupName: cgName, |
| Action: reqObj.Action, |
| ServerNames: updatedCaches, |
| CDN: *reqObj.CDN, |
| CacheGroupID: cgID, |
| }) |
| api.CreateChangeLogRawTx(api.ApiChange, "CACHEGROUP: "+string(cgName)+", ID: "+strconv.Itoa(cgID)+", ACTION: "+strings.Title(reqObj.Action)+"d CacheGroup server updates to the "+string(*reqObj.CDN)+" CDN", inf.User, inf.Tx.Tx) |
| } |
| |
| type QueueUpdatesResp struct { |
| CacheGroupName tc.CacheGroupName `json:"cachegroupName"` |
| Action string `json:"action"` |
| ServerNames []tc.CacheName `json:"serverNames"` |
| CDN tc.CDNName `json:"cdn"` |
| CacheGroupID int `json:"cachegroupID"` |
| } |