Add zt dynamic ip (#1168)
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1 changed files with 103 additions and 11 deletions
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@ -3,13 +3,18 @@ package v1
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import (
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"fmt"
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"io/ioutil"
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"math/rand"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/IceWhaleTech/CasaOS-Common/utils/logger"
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"github.com/IceWhaleTech/CasaOS/common"
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"github.com/IceWhaleTech/CasaOS/pkg/utils/httper"
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"github.com/gin-gonic/gin"
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"github.com/tidwall/gjson"
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"go.uber.org/zap"
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)
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func ZerotierProxy(c *gin.Context) {
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@ -76,7 +81,6 @@ func copyHeaders(destination, source http.Header) {
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}
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func CheckNetwork() {
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//先获取所有已创建的网络
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respBody, err := httper.ZTGet("/controller/network")
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if err != nil {
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fmt.Println(err)
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@ -85,12 +89,14 @@ func CheckNetwork() {
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networkId := ""
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address := ""
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networkNames := gjson.ParseBytes(respBody).Array()
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for _, v := range networkNames {
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res, err := httper.ZTGet("/controller/network/" + v.Str)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(string(res))
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name := gjson.GetBytes(res, "name").Str
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if name == common.RANW_NAME {
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fmt.Println(string(res))
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@ -98,11 +104,12 @@ func CheckNetwork() {
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break
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}
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}
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ip, s, e, c := getZTIP()
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if len(networkId) == 0 {
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if len(address) == 0 {
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address = GetAddress()
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}
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networkId = CreateNet(address)
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networkId = CreateNet(address, s, e, c)
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}
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res, err := httper.ZTGet("/network")
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if err != nil {
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@ -113,17 +120,15 @@ func CheckNetwork() {
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networks := gjson.GetBytes(res, "#.id").Array()
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for _, v := range networks {
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if v.Str == networkId {
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fmt.Println("已加入网络")
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joined = true
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break
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}
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}
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if !joined {
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JoinAndUpdateNet(address, networkId)
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JoinAndUpdateNet(address, networkId, ip)
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}
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}
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func GetAddress() string {
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//获取nodeId
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nodeRes, err := httper.ZTGet("/status")
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if err != nil {
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fmt.Println(err)
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@ -131,7 +136,7 @@ func GetAddress() string {
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}
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return gjson.GetBytes(nodeRes, "address").String()
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}
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func JoinAndUpdateNet(address, networkId string) {
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func JoinAndUpdateNet(address, networkId, ip string) {
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res, err := httper.ZTPost("/network/"+networkId, "")
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if err != nil {
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fmt.Println(err)
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@ -145,7 +150,7 @@ func JoinAndUpdateNet(address, networkId string) {
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"authorized": true,
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"activeBridge": true,
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"ipAssignments": [
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"10.147.20.1"
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"` + ip + `"
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]
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}`
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r, err := httper.ZTPost("/controller/network/"+networkId+"/member/"+address, b)
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@ -155,7 +160,7 @@ func JoinAndUpdateNet(address, networkId string) {
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}
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fmt.Println(string(r))
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}
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func CreateNet(address string) string {
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func CreateNet(address, s, e, c string) string {
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body := `{
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"name": "` + common.RANW_NAME + `",
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"private": false,
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@ -164,13 +169,13 @@ func CreateNet(address string) string {
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},
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"ipAssignmentPools": [
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{
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"ipRangeStart": "10.147.20.1",
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"ipRangeEnd": "10.147.20.254"
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"ipRangeStart": "` + s + `",
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"ipRangeEnd": "` + e + `"
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}
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],
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"routes": [
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{
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"target": "10.147.20.0/24"
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"target": "` + c + `"
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}
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],
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"rules": [
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@ -207,3 +212,90 @@ func CreateNet(address string) string {
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}
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return gjson.GetBytes(createRes, "id").Str
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}
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func GetZTIPs() []gjson.Result {
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res, err := httper.ZTGet("/network")
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if err != nil {
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fmt.Println(err)
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return []gjson.Result{}
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}
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a := gjson.GetBytes(res, "#.routes.0.target")
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return a.Array()
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}
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func getZTIP() (ip, start, end, cidr string) {
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excluded := GetZTIPs()
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cidrs := []string{
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"10.147.11.0/24",
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"10.147.12.0/24",
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"10.147.13.0/24",
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"10.147.14.0/24",
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"10.147.15.0/24",
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"10.147.16.0/24",
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"10.147.17.0/24",
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"10.147.18.0/24",
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"10.147.19.0/24",
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"10.147.20.0/24",
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"10.240.0.0/16",
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"10.241.0.0/16",
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"10.242.0.0/16",
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"10.243.0.0/16",
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"10.244.0.0/16",
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"10.245.0.0/16",
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"10.246.0.0/16",
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"10.247.0.0/16",
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"10.248.0.0/16",
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"10.249.0.0/16",
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"172.21.0.0/16",
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"172.22.0.0/16",
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"172.23.0.0/16",
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"172.24.0.0/16",
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"172.25.0.0/16",
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"172.26.0.0/16",
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"172.27.0.0/16",
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"172.28.0.0/16",
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"172.29.0.0/16",
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"172.30.0.0/16",
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}
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filteredCidrs := make([]string, 0)
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for _, cidr := range cidrs {
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isExcluded := false
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for _, excludedIP := range excluded {
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if cidr == excludedIP.Str {
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isExcluded = true
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break
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}
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}
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if !isExcluded {
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filteredCidrs = append(filteredCidrs, cidr)
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}
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}
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rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
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ip = ""
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if len(filteredCidrs) > 0 {
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randomIndex := rnd.Intn(len(filteredCidrs))
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selectedCIDR := filteredCidrs[randomIndex]
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_, ipNet, err := net.ParseCIDR(selectedCIDR)
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if err != nil {
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logger.Error("ParseCIDR error", zap.Error(err))
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return
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}
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cidr = selectedCIDR
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startIP := ipNet.IP
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endIP := make(net.IP, len(startIP))
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copy(endIP, startIP)
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for i := range startIP {
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endIP[i] |= ^ipNet.Mask[i]
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}
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start = startIP.String()
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end = endIP.String()
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ipt := ipNet
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ipt.IP[3] = 1
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ip = ipt.IP.String()
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return
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} else {
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logger.Error("No available CIDR found")
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}
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return
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}
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