| package profile |
| |
| /* |
| * 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 ( |
| "database/sql" |
| "errors" |
| "fmt" |
| "net/http" |
| |
| "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" |
| |
| "github.com/lib/pq" |
| ) |
| |
| // ImportProfileHandler handles importing profile |
| func ImportProfileHandler(w http.ResponseWriter, r *http.Request) { |
| inf, userErr, sysErr, errCode := api.NewInfo(r, nil, nil) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr) |
| return |
| } |
| defer inf.Close() |
| |
| importedProfile := tc.ProfileImportRequest{} |
| |
| if err := api.Parse(r.Body, inf.Tx.Tx, &importedProfile); err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, err, nil) |
| return |
| } |
| if importedProfile.Profile.CDNName == nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest, errors.New("no CDN Name in the profile to be imported"), nil) |
| return |
| } |
| userErr, sysErr, statusCode := dbhelpers.CheckIfCurrentUserCanModifyCDN(inf.Tx.Tx, *importedProfile.Profile.CDNName, inf.User.UserName) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, statusCode, userErr, sysErr) |
| return |
| } |
| |
| id, err := importProfile(&importedProfile.Profile, inf.Tx.Tx) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("importing profile: "+err.Error())) |
| return |
| } |
| |
| importedProfileResponse := tc.ProfileImportResponseObj{ |
| ProfileExportImportNullable: importedProfile.Profile, |
| ID: &id, |
| } |
| |
| newParamCnt, existingParamCnt, err := importProfileParameters(id, importedProfile.Parameters, inf.Tx.Tx) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("importing profile parameters: "+err.Error())) |
| return |
| } |
| |
| successMsg := fmt.Sprintf("Profile imported [ %v ] with %v new and %v existing parameters", |
| *importedProfile.Profile.Name, newParamCnt, existingParamCnt) |
| |
| api.CreateChangeLogRawTx(api.ApiChange, successMsg, inf.User, inf.Tx.Tx) |
| api.WriteRespAlertObj(w, r, tc.SuccessLevel, successMsg, importedProfileResponse) |
| } |
| |
| func importProfile(importedProfile *tc.ProfileExportImportNullable, tx *sql.Tx) (int, error) { |
| var id int |
| insertQuery := ` |
| INSERT INTO profile (name, description, cdn, type) |
| SELECT $1, $2, id, $4 |
| FROM cdn |
| WHERE name = $3 |
| RETURNING id` |
| if err := tx.QueryRow( |
| insertQuery, |
| importedProfile.Name, |
| importedProfile.Description, |
| importedProfile.CDNName, |
| importedProfile.Type).Scan(&id); err != nil { |
| if err == sql.ErrNoRows { |
| return id, fmt.Errorf("imported profile %v was not inserted, no id was returned", importedProfile.Name) |
| } |
| return id, errors.New("scanning profile id after insert: " + err.Error()) |
| } |
| return id, nil |
| } |
| |
| func importProfileParameters(profileID int, importedParameters []tc.ProfileExportImportParameterNullable, tx *sql.Tx) (int, int, error) { |
| if len(importedParameters) == 0 { |
| return 0, 0, nil |
| } |
| idSet := map[int]struct{}{} |
| ids := []int{} |
| existingCnt := 0 |
| newCnt := 0 |
| selectQuery := ` |
| SELECT id |
| FROM parameter |
| WHERE name=$1 AND config_file=$2 AND value=$3` |
| |
| for _, param := range importedParameters { |
| var id int |
| existingParam := true |
| if err := tx.QueryRow(selectQuery, param.Name, param.ConfigFile, param.Value).Scan(&id); err != nil { |
| if err == sql.ErrNoRows { |
| existingParam = false |
| } else { |
| return 0, 0, errors.New("querying parameter: " + err.Error()) |
| } |
| } |
| if existingParam { |
| if _, ok := idSet[id]; ok { |
| continue |
| } |
| ids = append(ids, id) |
| idSet[id] = struct{}{} |
| existingCnt++ |
| } else { |
| // Insert Parameter |
| newID, err := insertParameter(¶m, tx) |
| if err != nil { |
| return 0, 0, err |
| } |
| ids = append(ids, newID) |
| idSet[newID] = struct{}{} |
| newCnt++ |
| } |
| } |
| |
| // Insert profile, parameter records |
| insertPPQuery := ` |
| INSERT INTO profile_parameter (profile, parameter) |
| VALUES ($1, unnest($2::int[]))` |
| if _, err := tx.Exec(insertPPQuery, profileID, pq.Array(ids)); err != nil { |
| return 0, 0, errors.New("inserting profile parameter: " + err.Error()) |
| } |
| return newCnt, existingCnt, nil |
| } |
| |
| func insertParameter(param *tc.ProfileExportImportParameterNullable, tx *sql.Tx) (int, error) { |
| var id int |
| insertQuery := ` |
| INSERT INTO parameter ( |
| name, |
| config_file, |
| value) VALUES ($1,$2,$3) RETURNING id` |
| if err := tx.QueryRow(insertQuery, param.Name, param.ConfigFile, param.Value).Scan(&id); err != nil { |
| if err == sql.ErrNoRows { |
| return id, fmt.Errorf("imported parameter %v was not inserted, no id was returned", param.Name) |
| } |
| return id, errors.New("scanning parameter id after insert: " + err.Error()) |
| } |
| return id, nil |
| } |