mirror of
https://gitee.com/rainbond/Rainbond.git
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102 lines
2.8 KiB
Go
102 lines
2.8 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 exector
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/*
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Copyright 2017 The Goodrain Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import (
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"github.com/goodrain/rainbond/pkg/util"
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"bytes"
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"encoding/json"
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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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)
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//Worker 工作器
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type Worker struct {
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cmd *exec.Cmd
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user string
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}
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func (w *Worker) run(timeout time.Duration) ([]byte, error) {
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stdout := &bytes.Buffer{}
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isTimeout, err := util.CmdRunWithTimeout(w.cmd, timeout)
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if err != nil {
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return nil, workerErr(err, stdout.Bytes())
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}
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if isTimeout {
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return nil, fmt.Errorf("exec worker timeout")
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}
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return stdout.Bytes(), nil
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}
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//NewWorker 创建一个worker
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func NewWorker(cmdpath, user string, envs []string, in []byte) *Worker {
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stdout := &bytes.Buffer{}
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c := &exec.Cmd{
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Env: envs,
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Path: "/usr/bin/python",
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Args: []string{"python", cmdpath},
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Stdin: bytes.NewBuffer(in),
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Stdout: stdout,
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Stderr: os.Stderr,
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}
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return &Worker{cmd: c, user: user}
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}
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//Error Error
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type Error struct {
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Code uint `json:"code"`
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Msg string `json:"msg"`
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Details string `json:"details,omitempty"`
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}
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func workerErr(err error, output []byte) error {
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if _, ok := err.(*exec.ExitError); ok {
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emsg := Error{}
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if perr := json.Unmarshal(output, &emsg); perr != nil {
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return fmt.Errorf("netplugin failed but error parsing its diagnostic message %q: %v", string(output), perr)
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}
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details := ""
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if emsg.Details != "" {
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details = fmt.Sprintf("; %v", emsg.Details)
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}
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return fmt.Errorf("%v%v", emsg.Msg, details)
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}
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return err
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}
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