/
chkconfig.go
85 lines (71 loc) · 2.38 KB
/
chkconfig.go
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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 (
"encoding/json"
"sort"
"github.com/apache/trafficcontrol/lib/go-tc"
)
const ChkconfigFileName = `chkconfig`
const ChkconfigParamConfigFile = `chkconfig`
const ContentTypeChkconfig = ContentTypeTextASCII
const LineCommentChkconfig = LineCommentHash
// ChkconfigOpts contains settings to configure generation options.
type ChkconfigOpts struct {
}
// MakeChkconfig returns the 'chkconfig' ATS config file endpoint.
// This is a JSON object, and should be served with an 'application/json' Content-Type.
func MakeChkconfig(
serverParams []tc.Parameter,
opt *ChkconfigOpts,
) (Cfg, error) {
if opt == nil {
opt = &ChkconfigOpts{}
}
warnings := []string{}
serverParams = filterParams(serverParams, ChkconfigParamConfigFile, "", "", "")
chkconfig := []chkConfigEntry{}
for _, param := range serverParams {
chkconfig = append(chkconfig, chkConfigEntry{Name: param.Name, Val: param.Value})
}
sort.Sort(chkConfigEntries(chkconfig))
bts, err := json.Marshal(&chkconfig)
if err != nil {
return Cfg{}, makeErr(warnings, "marshalling chkconfig NameVals: "+err.Error())
}
return Cfg{
Text: string(bts),
ContentType: ContentTypeChkconfig,
LineComment: LineCommentChkconfig,
Warnings: warnings,
}, nil
}
type chkConfigEntry struct {
Name string
Val string
}
type chkConfigEntries []chkConfigEntry
func (e chkConfigEntries) Len() int { return len(e) }
func (e chkConfigEntries) Less(i, j int) bool {
if e[i].Name != e[j].Name {
return e[i].Name < e[j].Name
}
return e[i].Val < e[j].Val
}
func (e chkConfigEntries) Swap(i, j int) { e[i], e[j] = e[j], e[i] }