func WriteVersion(da *model.DesiredAgent) (err error) {
if CurrentUser == da.RunUser {
file.WriteString(path.Join(da.AgentDir, ".version"), da.Version)
} else {
file.WriteString(path.Join(file.SelfDir(), ".version"), da.Version)
_, err = utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo mv .version %s/", da.AgentDir))
if nil != err {
return
}
_, err = utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo chown -R %s:%s %s", da.RunUser, da.RunUser, path.Join(da.AgentDir, ".version")))
}
return
}
func init() {
_, err := utils.ExecuteCommand(g.SelfDir, "sudo -n true")
if nil == err {
HasSudoPermission = true
}
CurrentUser = utils.GetUserByPid(os.Getpid())
}
func InsureRunUserExists(da *model.DesiredAgent) error {
if CurrentUser == da.RunUser { //ops-updater和 Agent运行用户一致
return nil
} else if HasSudoPermission {
if utils.CheckUserExists(da.RunUser) {
return nil
}
_, err := utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo useradd %s", da.RunUser))
return err
}
return fmt.Errorf("you donot have permission to insure user %s", da.RunUser)
}
func InsureUserDir(fp, username string, createByRoot bool) error {
var err error
if CheckDirectoryExists(username, fp) {
return nil
}
if CurrentUser == username {
return os.MkdirAll(fp, os.ModePerm)
} else if HasSudoPermission {
if createByRoot {
_, err = utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo mkdir -p %s", fp))
if nil != err {
return err
}
_, err = utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo chown -R %s:%s %s", username, username, fp))
} else {
_, err = utils.ExecuteCommand(file.SelfDir(), fmt.Sprintf("sudo -u %s mkdir -p %s", username, fp))
}
}
return err
}
