package util
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import (
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"bufio"
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"bytes"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"os/exec"
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"strings"
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"time"
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"basic.com/valib/logger.git"
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)
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//启动服务
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func StartServer(binPath string) bool {
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resultMsg := CMDSC("sh " + binPath + "/seaweedfs_start.sh")
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if resultMsg == "运行失败" {
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return false
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}
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return true
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}
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//关闭服务
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func StopServer(binPath string) bool {
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resultMsg := CMDSC("sh " + binPath + "/seaweedfs_stop.sh")
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time.Sleep(time.Second * 11)
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if resultMsg == "运行失败" {
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return false
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}
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return true
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}
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//验证服务
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func VerifyServer(ip string) (bool, error) {
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masterUrl := "http://" + ip + ":6333/ui/index.html"
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volumeUrl := "http://" + ip + ":6700/ui/index.html"
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_, mErr := HttpRC("GET", masterUrl, nil)
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if mErr != nil {
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return false, errors.New("master 启动失败")
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}
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_, vErr := HttpRC("GET", volumeUrl, nil)
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if vErr != nil {
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return false, errors.New("volume 启动失败")
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}
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return true, nil
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}
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//设置配置文件
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func SetConfig(configPath string, ip string, peers []string, defaultReplication string) bool {
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cp := configPath + "/seaweedfs_start.sh"
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file, err := os.OpenFile(cp, os.O_RDWR, 0666)
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if err != nil {
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logger.Error("open config file fail, err: ", err)
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return false
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}
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defer file.Close()
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buf := bufio.NewReader(file)
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output := make([]byte, 0)
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for {
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line, _, c := buf.ReadLine()
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if c == io.EOF {
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break
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}
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if strings.Contains(string(line), "ip=") {
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newline := "ip=" + ip
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line = []byte(newline)
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}
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if strings.Contains(string(line), "peers=") {
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newline := "peers=" + strings.Replace(strings.Trim(fmt.Sprint(peers), "[]"), " ", ",", -1)
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line = []byte(newline)
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}
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if strings.Contains(string(line), "defaultReplication=") {
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newline := "defaultReplication=" + defaultReplication
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line = []byte(newline)
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}
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output = append(output, line...)
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output = append(output, []byte("\n")...)
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}
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if err := writeToFile(cp, output); err != nil {
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logger.Error("write config file err: ", err)
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return false
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}
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return true
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}
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//设置配置文件 ip 以及 peer
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func SetConfigByIpAndPeer(configPath string, ip string, peers []string) bool {
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cp := configPath + "/seaweedfs_start.sh"
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file, err := os.OpenFile(cp, os.O_RDWR, 0666)
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if err != nil {
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logger.Error("open config file fail, err: ", err)
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return false
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}
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defer file.Close()
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buf := bufio.NewReader(file)
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output := make([]byte, 0)
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for {
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line, _, c := buf.ReadLine()
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if c == io.EOF {
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break
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}
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if strings.Contains(string(line), "ip=") {
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newline := "ip=" + ip
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line = []byte(newline)
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}
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if strings.Contains(string(line), "peers=") {
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newline := "peers=" + strings.Replace(strings.Trim(fmt.Sprint(peers), "[]"), " ", ",", -1)
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line = []byte(newline)
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}
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output = append(output, line...)
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output = append(output, []byte("\n")...)
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}
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if err := writeToFile(cp, output); err != nil {
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logger.Error("write config file err: ", err)
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return false
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}
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return true
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}
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//始化存储（删除数据）
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func InitStore(storePath []string) (bool, error) {
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if len(storePath) < 1 {
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return false, errors.New("未指定存储路径")
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}
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for _, p := range storePath {
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logger.Debug(p)
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}
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return true, nil
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}
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type SWFSInfo struct {
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Ip string
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DefaultReplication string
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Peers []string
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}
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//读取配置文件
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func GetConfig(configPath string) (SWFSInfo, error) {
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var info SWFSInfo
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cp := configPath + "/seaweedfs_start.sh"
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file, err := os.OpenFile(cp, os.O_RDWR, 0666)
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if err != nil {
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logger.Error("open config file fail, err: ", err)
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return info, err
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}
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defer file.Close()
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buf := bufio.NewReader(file)
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peers := make([]string, 0)
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ip := ""
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defaultReplication := ""
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for {
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line, _, c := buf.ReadLine()
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if c == io.EOF {
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break
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}
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if strings.Contains(string(line), "peers=") {
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rt := strings.Split(string(line), "=")[1]
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if len(rt) < 1 {
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continue
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}
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p := strings.Split(rt, ",")
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peers = append(peers, p...)
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}
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if strings.Contains(string(line), "ip=") {
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ip = strings.Split(string(line), "=")[1]
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continue
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}
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if strings.Contains(string(line), "defaultReplication=") {
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defaultReplication = strings.Split(string(line), "=")[1]
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continue
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}
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}
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info.Ip = ip
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info.DefaultReplication = defaultReplication
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info.Peers = peers
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return info, nil
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}
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func writeToFile(filePath string, outPut []byte) error {
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f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_TRUNC, 0600)
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defer f.Close()
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if err != nil {
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return err
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}
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writer := bufio.NewWriter(f)
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_, err = writer.Write(outPut)
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if err != nil {
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return err
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}
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writer.Flush()
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return nil
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}
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func CMDSC(scriptStr string) string {
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cmd := exec.Command("sh", "-c", scriptStr)
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var out bytes.Buffer
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cmd.Stdout = &out
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err := cmd.Run()
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if err != nil {
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return "运行失败"
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}
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return out.String()
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}
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func HttpRC(method string, url string, parama []byte) (buf []byte, err error) {
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timeout := time.Duration(10 * time.Second)
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client := http.Client{
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Timeout: timeout,
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}
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request, err := http.NewRequest(method, url, bytes.NewBuffer(parama))
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request.Header.Set("Content-type", "application/json")
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if err != nil {
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logger.Error("build request fail !")
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return nil, err
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}
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resp, err := client.Do(request)
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if err != nil {
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logger.Error("request error: ", err)
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return nil, err
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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return body, nil
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}
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