mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-04 20:57:38 +08:00
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
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// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2017 Goodrain Co., Ltd.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package util
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import (
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"fmt"
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"os"
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"os/exec"
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"time"
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"github.com/Sirupsen/logrus"
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)
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//CheckAndCreateDir check and create dir
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func CheckAndCreateDir(path string) error {
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if subPathExists, err := FileExists(path); err != nil {
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return fmt.Errorf("Could not determine if subPath %s exists; will not attempt to change its permissions", path)
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} else if !subPathExists {
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// Create the sub path now because if it's auto-created later when referenced, it may have an
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// incorrect ownership and mode. For example, the sub path directory must have at least g+rwx
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// when the pod specifies an fsGroup, and if the directory is not created here, Docker will
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// later auto-create it with the incorrect mode 0750
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if err := os.MkdirAll(path, 0755); err != nil {
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return fmt.Errorf("failed to mkdir:%s", path)
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}
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if err := os.Chmod(path, 0755); err != nil {
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return err
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}
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}
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return nil
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}
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//FileExists check file exist
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func FileExists(filename string) (bool, error) {
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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return false, nil
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} else if err != nil {
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return false, err
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}
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return true, nil
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}
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//CmdRunWithTimeout exec cmd with timeout
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func CmdRunWithTimeout(cmd *exec.Cmd, timeout time.Duration) (bool, error) {
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done := make(chan error)
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if cmd.Process != nil { //还原执行状态
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cmd.Process = nil
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cmd.ProcessState = nil
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}
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if err := cmd.Start(); err != nil {
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return false, err
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}
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go func() {
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done <- cmd.Wait()
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}()
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var err error
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select {
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case <-time.After(timeout):
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// timeout
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if err = cmd.Process.Kill(); err != nil {
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logrus.Errorf("failed to kill: %s, error: %s", cmd.Path, err.Error())
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}
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go func() {
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<-done // allow goroutine to exit
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}()
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logrus.Info("process:%s killed", cmd.Path)
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return true, err
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case err = <-done:
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return false, err
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}
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}
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