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https://github.com/cwinfo/yggdrasil-go.git
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Add yggdrasilconf for testing with vyatta-yggdrasil
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parent
10a66a4edc
commit
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97
contrib/config/yggdrasilconf.go
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97
contrib/config/yggdrasilconf.go
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@ -0,0 +1,97 @@
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package main
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/*
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This is a small utility that is designed to accompany the vyatta-yggdrasil
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package. It takes a HJSON configuration file, makes changes to it based on
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the command line arguments, and then spits out an updated file.
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*/
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"strconv"
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"golang.org/x/text/encoding/unicode"
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"github.com/neilalexander/hjson-go"
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"yggdrasil/config"
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)
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type nodeConfig = config.NodeConfig
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func main() {
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useconffile := flag.String("useconffile", "/etc/yggdrasil.conf", "update config at specified file path")
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flag.Parse()
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cfg := nodeConfig{}
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var config []byte
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var err error
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config, err = ioutil.ReadFile(*useconffile)
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if err != nil {
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panic(err)
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}
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if bytes.Compare(config[0:2], []byte{0xFF, 0xFE}) == 0 ||
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bytes.Compare(config[0:2], []byte{0xFE, 0xFF}) == 0 {
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utf := unicode.UTF16(unicode.BigEndian, unicode.UseBOM)
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decoder := utf.NewDecoder()
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config, err = decoder.Bytes(config)
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if err != nil {
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panic(err)
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}
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}
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var dat map[string]interface{}
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if err := hjson.Unmarshal(config, &dat); err != nil {
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panic(err)
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}
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confJson, err := json.Marshal(dat)
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if err != nil {
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panic(err)
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}
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json.Unmarshal(confJson, &cfg)
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switch flag.Arg(0) {
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case "setMTU":
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cfg.IfMTU, err = strconv.Atoi(flag.Arg(1))
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if err != nil {
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cfg.IfMTU = 1280
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}
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if mtu, _ := strconv.Atoi(flag.Arg(1)); mtu < 1280 {
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cfg.IfMTU = 1280
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}
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case "setIfName":
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cfg.IfName = flag.Arg(1)
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case "setListen":
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cfg.Listen = flag.Arg(1)
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case "setAdminListen":
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cfg.AdminListen = flag.Arg(1)
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case "setIfTapMode":
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if flag.Arg(1) == "true" {
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cfg.IfTAPMode = true
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} else {
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cfg.IfTAPMode = false
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}
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case "addPeer":
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found := false
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for _, v := range cfg.Peers {
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if v == flag.Arg(1) {
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found = true
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}
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}
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if !found {
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cfg.Peers = append(cfg.Peers, flag.Arg(1))
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}
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case "removePeer":
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for k, v := range cfg.Peers {
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if v == flag.Arg(1) {
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cfg.Peers = append(cfg.Peers[:k], cfg.Peers[k+1:]...)
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}
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}
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}
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bs, err := hjson.Marshal(cfg)
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if err != nil {
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panic(err)
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}
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fmt.Println(string(bs))
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return
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}
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