func Delete(domain string, dir string) error {
if domain == "" {
return errors.New("empty domain")
}
fileMutex.Lock()
defer fileMutex.Unlock()
if dir == "" {
dir = NGX_CONF_PATH
}
file := path.Join(dir, "conf.d", fmt.Sprintf("%s.conf", domain))
filebak := path.Join(dir, "conf.d", fmt.Sprintf("%s.conf.bak", domain))
exist := util.Exist(filebak)
if exist {
os.Remove(filebak)
}
err := os.Rename(file, file+".bak")
if err != nil {
util.Log("rename app conf file error, name: " + file)
return errors.New("delete file failed")
}
return nil
}
func Servers(domain string, confpath string) []model.RealServer {
if domain == "" {
return nil
}
if confpath == "" {
confpath = NGX_CONF_PATH
}
fileMutex.Lock()
defer fileMutex.Unlock()
file := path.Join(confpath, "conf.d", fmt.Sprintf("%s.conf", domain))
// read all server lines in upstream block
fil, err := os.Open(file)
if err != nil {
util.Log("open app conf file error, name: " + file)
return nil
}
defer fil.Close()
lines := make([]string, 0)
match := fmt.Sprintf("backend_%s", domain)
flag := false
scanner := bufio.NewScanner(fil)
for scanner.Scan() {
line := scanner.Text()
if strings.Contains(line, "}") {
flag = false
break
}
if flag {
lines = append(lines, line)
}
if strings.Contains(line, "upstream") && strings.Contains(line, match) {
flag = true
}
}
res := make([]model.RealServer, 0)
for _, line := range lines {
tline := strings.Trim(line, " ")
if tline == "" {
break
}
var s1, s2, s3, s4, s5 string
// var port, weight, timeout string
// fmt.Sscanf(tline, " server %s:%d weight=%d max_fails=2 fail_timeout=%ds", &ip, &port, &weight, &timeout)
fmt.Sscanf(line, "%s %s %s %s %s", &s1, &s2, &s3, &s4, &s5)
s6 := strings.Split(s2, ":")
ip := s6[0]
port, _ := strconv.Atoi(s6[1])
s7 := strings.Split(s3, "=")
weight, _ := strconv.Atoi(s7[1])
s8 := strings.Split(s5, "=")
timeout, _ := strconv.Atoi(strings.Trim(s8[1], "s"))
rs := model.RealServer{ip, port, weight, timeout}
res = append(res, rs)
}
return res
}