/
sync.go
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/
sync.go
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package plugins
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/WeBankPartners/wecube-plugins-saltstack/common/log"
"io/ioutil"
"net/http"
"os/exec"
"strconv"
"strings"
"time"
)
const ClusterDeletePath = `/salt/cluster/delete`
var (
coreRefreshToken string
coreRefreshTokenExpTime time.Time
coreRequestToken string
coreRequestTokenExpTime time.Time
requestCoreNonce = "salt"
)
type coreHostDto struct {
Status string `json:"status"`
Message string `json:"message"`
Data []string `json:"data"`
}
func SyncClusterList() {
defer func() {
cpErr := exec.Command("bash","-c", "/bin/cp -f /srv/salt/minions/conf/minion /var/www/html/salt-minion/conf/").Run()
if cpErr != nil {
log.Logger.Error(fmt.Sprintf("copy /srv/salt/minions/conf/minion /var/www/html/salt-minion/conf/minion error %v \n ", cpErr))
}
}()
if CoreUrl == "" || MasterHostIp == "" {
log.Logger.Warn("sync cluster quit,core url or master ip is empty \n")
return
}
if SubSystemCode == "" || SubSystemKey == "" {
log.Logger.Warn("Sync cluster list fail,subSystemCore or subSystemKey is empty", log.String("SubSystemCode", SubSystemCode), log.String("SubSystemKey", SubSystemKey))
return
}
InitCoreToken()
if coreRequestToken == "" {
log.Logger.Warn("Sync cluster list fail,init core token fail")
return
}
request, _ := http.NewRequest(http.MethodGet, fmt.Sprintf("%s/platform/v1/available-container-hosts", CoreUrl), strings.NewReader(""))
request.Header.Set("Authorization", coreRequestToken)
resp, err := http.DefaultClient.Do(request)
if err != nil {
log.Logger.Error(fmt.Sprintf("sync cluster list,get response error %v \n", err))
return
}
var coreResult coreHostDto
defer resp.Body.Close()
b, _ := ioutil.ReadAll(resp.Body)
err = json.Unmarshal(b, &coreResult)
if err != nil {
log.Logger.Error(fmt.Sprintf("sync cluster list,response json unmarshal error %v \n", err))
return
}
if len(coreResult.Data) == 0 {
log.Logger.Info("sync cluster list,get plugin host list empty \n")
return
}
var tmpClusterIps string
var problemCluster bool
for _, v := range coreResult.Data {
if v != MasterHostIp {
//tmpClusterIps += fmt.Sprintf(" - %s\n", v)
ClusterList = append(ClusterList, v)
}else{
problemCluster = true
}
}
if !problemCluster {
log.Logger.Error(fmt.Sprintf("sync cluster error,can not find masterIp:%s in cluster:%s ", MasterHostIp, ClusterList))
ClusterList = []string{}
return
}
minionByte, err := ioutil.ReadFile("/srv/salt/minions/conf/minion")
if err != nil {
log.Logger.Error(fmt.Sprintf("read minion file error : %v \n", err))
return
}
sb := string(minionByte)
if strings.Contains(sb, MasterHostIp) {
for _,v := range ClusterList {
if v != MasterHostIp && v != "" {
if !strings.Contains(sb, v) {
tmpClusterIps += fmt.Sprintf(" - %s\n", v)
}
}
}
if tmpClusterIps == "" {
log.Logger.Info("sync cluster abort with the right config ")
return
}
sb = strings.Replace(sb, MasterHostIp, fmt.Sprintf("%s\n%s", MasterHostIp, tmpClusterIps), -1)
} else {
log.Logger.Info(fmt.Sprintf("read minion file,can not find master ip %s \n", MasterHostIp))
return
}
err = ioutil.WriteFile("/srv/salt/minions/conf/minion", []byte(sb), 0644)
if err != nil {
log.Logger.Error(fmt.Sprintf("write minion file error : %v \n", err))
return
}
log.Logger.Info("replace minion file success !! \n")
}
func StartClusterServer() {
http.Handle(ClusterDeletePath, http.HandlerFunc(handleHostDelete))
http.ListenAndServe(":4507", nil)
}
type ClusterHostDeleteResult struct {
Code int `json:"code"`
Message string `json:"message"`
}
func handleHostDelete(w http.ResponseWriter, r *http.Request) {
result := ClusterHostDeleteResult{Code: 0, Message: "success"}
hostIp := r.FormValue("hosts")
if hostIp == "" {
result.Code = 1
result.Message = "Param hosts empty"
w.WriteHeader(http.StatusBadRequest)
} else {
for _, v := range strings.Split(hostIp, ",") {
if strings.Count(v, ".") != 3 {
result.Code = 2
result.Message += fmt.Sprintf(" ip:%s illegal ", v)
continue
}
removeSaltKeys(v)
}
}
rb, _ := json.Marshal(result)
w.Write(rb)
}
func SendHostDelete(hosts []string) {
if len(hosts) == 0 {
return
}
urlParam := fmt.Sprintf("hosts=%s", strings.Join(hosts, ","))
for _, v := range ClusterList {
req, _ := http.NewRequest(http.MethodGet, fmt.Sprintf("http://%s:4507%s?%s", v, ClusterDeletePath, urlParam), strings.NewReader(""))
resp, err := http.DefaultClient.Do(req)
if err != nil {
log.Logger.Error(fmt.Sprintf("send host delete to %s error %v \n", v, err))
} else {
var resultBody ClusterHostDeleteResult
b, _ := ioutil.ReadAll(resp.Body)
err = json.Unmarshal(b, &resultBody)
if err != nil {
log.Logger.Error(fmt.Sprintf("send host delete to %s fail, json unmarshal error %v \n", v, err))
} else {
if resultBody.Code > 0 {
log.Logger.Error(fmt.Sprintf("send host delete to %s fail, code: %d, message: %s", v, resultBody.Code, resultBody.Message))
} else {
log.Logger.Error(fmt.Sprintf("send host delete to %s success ", v))
}
}
resp.Body.Close()
}
}
}
type requestCoreToken struct {
Password string `json:"password"`
Username string `json:"username"`
Nonce string `json:"nonce"`
ClientType string `json:"clientType"`
}
type responseCoreObj struct {
Status string `json:"status"`
Message string `json:"message"`
Data []*responseCoreDataObj `json:"data"`
}
type responseCoreDataObj struct {
Expiration string `json:"expiration"`
Token string `json:"token"`
TokenType string `json:"tokenType"`
}
func refreshToken() error {
req,err := http.NewRequest(http.MethodGet, CoreUrl + "/auth/v1/api/token", strings.NewReader(""))
if err != nil {
return fmt.Errorf("http new request fail,%s ", err.Error())
}
req.Header.Set("Authorization", coreRefreshToken)
resp,err := http.DefaultClient.Do(req)
if err != nil {
return fmt.Errorf("http response fail,%s ", err.Error())
}
var respObj responseCoreObj
bodyBytes,_ := ioutil.ReadAll(resp.Body)
resp.Body.Close()
err = json.Unmarshal(bodyBytes, &respObj)
if err != nil {
return fmt.Errorf("http response body json unmarshal fail,%s ", err.Error())
}
for _,v := range respObj.Data {
if len(v.Expiration) > 10 {
v.Expiration = v.Expiration[:10]
}
expInt,_ := strconv.ParseInt(v.Expiration, 10, 64)
if v.TokenType == "refreshToken" {
coreRefreshToken = "Bearer " + v.Token
coreRefreshTokenExpTime = time.Unix(expInt, 0)
}
if v.TokenType == "accessToken" {
coreRequestToken = "Bearer " + v.Token
coreRequestTokenExpTime = time.Unix(expInt, 0)
}
}
return nil
}
func initCoreToken(rsaKey string) error {
encryptBytes,err := RSAEncryptByPrivate([]byte(fmt.Sprintf("%s:%s", SubSystemCode, requestCoreNonce)), rsaKey)
encryptString := base64.StdEncoding.EncodeToString(encryptBytes)
if err != nil {
return err
}
postParam := requestCoreToken{Username: SubSystemCode, Nonce: requestCoreNonce, ClientType: "SUB_SYSTEM", Password: encryptString}
postBytes,_ := json.Marshal(postParam)
fmt.Printf("param: %s \n", string(postBytes))
req,err := http.NewRequest(http.MethodPost, CoreUrl + "/auth/v1/api/login", bytes.NewReader(postBytes))
if err != nil {
return fmt.Errorf("http new request fail,%s ", err.Error())
}
resp,err := http.DefaultClient.Do(req)
if err != nil {
return fmt.Errorf("http response fail, %s ", err.Error())
}
var respObj responseCoreObj
bodyBytes,_ := ioutil.ReadAll(resp.Body)
resp.Body.Close()
err = json.Unmarshal(bodyBytes, &respObj)
if err != nil {
return fmt.Errorf("http response body read fail,%s ", err.Error())
}
for _,v := range respObj.Data {
if len(v.Expiration) > 10 {
v.Expiration = v.Expiration[:10]
}
expInt,_ := strconv.ParseInt(v.Expiration, 10, 64)
if v.TokenType == "refreshToken" {
coreRefreshToken = "Bearer " + v.Token
coreRefreshTokenExpTime = time.Unix(expInt, 0)
}
if v.TokenType == "accessToken" {
coreRequestToken = "Bearer " + v.Token
coreRequestTokenExpTime = time.Unix(expInt, 0)
}
}
return nil
}
func InitCoreToken() {
err := initCoreToken(SubSystemKey)
if err != nil {
log.Logger.Error("Init core token fail,error", log.Error(err))
}else{
log.Logger.Info("Init core token success")
}
}
func GetCoreToken() string {
if CoreUrl == "" {
return ""
}
if coreRequestTokenExpTime.Unix() > time.Now().Unix() && coreRequestToken != "" {
return coreRequestToken
}
if coreRefreshTokenExpTime.Unix() > time.Now().Unix() && coreRefreshToken != "" {
err := refreshToken()
if err != nil {
log.Logger.Error("Refresh token fail", log.Error(err))
}else{
return coreRequestToken
}
}
err := initCoreToken(SubSystemKey)
if err != nil {
log.Logger.Error("Try to init core token fail", log.Error(err))
}
return coreRefreshToken
}