| package cdn |
| |
| /* |
| * 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" |
| |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/lib/go-util" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/api" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/dbhelpers" |
| |
| "github.com/jmoiron/sqlx" |
| ) |
| |
| func Queue(w http.ResponseWriter, r *http.Request) { |
| var typeID int |
| var profileID int |
| var ok bool |
| var err error |
| var str string |
| params := make(map[string]string, 0) |
| |
| 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() |
| |
| cols := map[string]dbhelpers.WhereColumnInfo{ |
| "cdnID": {Column: "cdn_id", Checker: api.IsInt}, |
| "typeID": {Column: "type", Checker: nil}, |
| "profileID": {Column: "profile", Checker: nil}, |
| } |
| |
| typeName := inf.Params["type"] |
| profile := inf.Params["profile"] |
| |
| reqObj := tc.CDNQueueUpdateRequest{} |
| 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 |
| } |
| params["cdnID"] = strconv.Itoa(inf.IntParams["id"]) |
| cdnName, ok, err := dbhelpers.GetCDNNameFromID(inf.Tx.Tx, int64(inf.IntParams["id"])) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("getting cdn name from ID '"+inf.Params["id"]+"': "+err.Error())) |
| return |
| } else if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, nil, nil) |
| return |
| } |
| |
| // get type ID |
| if typeName != "" { |
| typeID, ok, err = dbhelpers.GetTypeIDByName(typeName, inf.Tx.Tx) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("error getting type ID from name: "+err.Error())) |
| return |
| } |
| if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, errors.New("no type ID found with that name"), nil) |
| return |
| } |
| params["typeID"] = strconv.Itoa(typeID) |
| str = fmt.Sprintf(" typeID: %d", typeID) |
| } |
| |
| // get profile ID |
| if profile != "" { |
| profileID, ok, err = dbhelpers.GetProfileIDFromName(profile, inf.Tx.Tx) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("error getting profile ID from name: "+err.Error())) |
| return |
| } |
| if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, errors.New("no profile ID found with that name"), nil) |
| return |
| } |
| params["profileID"] = strconv.Itoa(profileID) |
| str = fmt.Sprintf(" profileID: %d", profileID) |
| } |
| |
| if reqObj.Action == "queue" { |
| userErr, sysErr, statusCode := dbhelpers.CheckIfCurrentUserHasCdnLock(inf.Tx.Tx, string(cdnName), inf.User.UserName) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, statusCode, userErr, sysErr) |
| return |
| } |
| } |
| |
| // Ignore pagination to prevent possibility of not updating the entirity the requested CDN. Likewise, ignore orderby as nonessential. |
| where, _, _, queryValues, errs := dbhelpers.BuildWhereAndOrderByAndPagination(params, cols) |
| if len(errs) > 0 { |
| errCode = http.StatusBadRequest |
| userErr = util.JoinErrs(errs) |
| api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, nil) |
| return |
| } |
| |
| query := "" |
| if reqObj.Action == "queue" { |
| query = ` |
| UPDATE public.server |
| SET config_update_time = now()` |
| query = query + where |
| } else { |
| query = ` |
| UPDATE public.server |
| SET config_update_time = config_apply_time` |
| query = query + where |
| } |
| |
| rowsAffected, err := queueUpdates(inf.Tx, query, queryValues) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, fmt.Errorf("queueing updates: %v", err)) |
| return |
| } |
| |
| api.CreateChangeLogRawTx(api.ApiChange, "CDN: "+string(cdnName)+", ID: "+strconv.Itoa(inf.IntParams["id"])+str+", ACTION: server updates "+reqObj.Action+"d on "+strconv.Itoa(int(rowsAffected))+" servers", inf.User, inf.Tx.Tx) |
| api.WriteResp(w, r, tc.CDNQueueUpdateResponse{Action: reqObj.Action, CDNID: int64(inf.IntParams["id"])}) |
| } |
| |
| // queueUpdates is the helper function to queue/ dequeue updates on servers for a CDN, optionally filtered by type and/ or profile |
| func queueUpdates(tx *sqlx.Tx, query string, queryValues map[string]interface{}) (int64, error) { |
| result, err := tx.NamedExec(query, queryValues) |
| if err != nil { |
| return 0, errors.New("querying queue updates: " + err.Error()) |
| } else if rc, err := result.RowsAffected(); err != nil { |
| return rc, fmt.Errorf("checking rows updated: %v", err) |
| } else { |
| return rc, nil |
| } |
| } |