| package atscfg |
| |
| /* |
| * 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 ( |
| "sort" |
| "strings" |
| |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| ) |
| |
| const ContentTypeServerUnknownConfig = ContentTypeTextASCII |
| |
| // ServerUnknownOpts contains settings to configure generation options. |
| type ServerUnknownOpts struct { |
| // HdrComment is the header comment to include at the beginning of the file. |
| // This should be the text desired, without comment syntax (like # or //). The file's comment syntax will be added. |
| // To omit the header comment, pass the empty string. |
| HdrComment string |
| } |
| |
| func MakeServerUnknown( |
| fileName string, |
| server *Server, |
| serverParams []tc.Parameter, |
| opt *ServerUnknownOpts, |
| ) (Cfg, error) { |
| if opt == nil { |
| opt = &ServerUnknownOpts{} |
| } |
| warnings := []string{} |
| |
| if server.HostName == nil { |
| return Cfg{}, makeErr(warnings, "server missing HostName") |
| } else if server.DomainName == nil { |
| return Cfg{}, makeErr(warnings, "server missing DomainName") |
| } |
| |
| params := paramsToMultiMap(filterParams(serverParams, fileName, "", "", "")) |
| |
| hdr := makeHdrComment(opt.HdrComment) |
| |
| txt := "" |
| |
| sortedParams := sortParams(params) |
| for _, pa := range sortedParams { |
| if pa.Name == "location" { |
| continue |
| } |
| if pa.Name == "header" { |
| if pa.Val == "none" { |
| hdr = "" |
| } else { |
| hdr = pa.Val + "\n" |
| } |
| continue |
| } |
| txt += pa.Val + "\n" |
| } |
| |
| txt = strings.Replace(txt, `__HOSTNAME__`, *server.HostName, -1) |
| txt = strings.Replace(txt, `__RETURN__`, "\n", -1) |
| |
| lineComment := getServerUnknownConfigCommentType(params) |
| |
| txt = hdr + txt |
| |
| return Cfg{ |
| Text: txt, |
| ContentType: ContentTypeServerUnknownConfig, |
| LineComment: lineComment, |
| Warnings: warnings, |
| }, nil |
| } |
| |
| type param struct { |
| Name string |
| Val string |
| } |
| |
| type paramsSort []param |
| |
| func (a paramsSort) Len() int { return len(a) } |
| func (a paramsSort) Swap(i, j int) { a[i], a[j] = a[j], a[i] } |
| func (a paramsSort) Less(i, j int) bool { return a[i].Name < a[j].Name } |
| |
| func sortParams(params map[string][]string) []param { |
| sortedParams := []param{} |
| for name, vals := range params { |
| for _, val := range vals { |
| sortedParams = append(sortedParams, param{Name: name, Val: val}) |
| } |
| } |
| sort.Sort(paramsSort(sortedParams)) |
| return sortedParams |
| } |
| |
| // getServerUnknownConfigCommentType takes the same data as MakeUnknownConfig and returns the comment type for that config. |
| // In particular, it returns # unless there is a 'header' parameter, in which case it returns an empty string. |
| // Wwe don't actually know that the first characters of a custom header are a comment, or how many characters it might be. |
| func getServerUnknownConfigCommentType( |
| params map[string][]string, |
| ) string { |
| for name, _ := range params { |
| if name == "header" { |
| return "" |
| } |
| } |
| return LineCommentHash |
| } |