66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
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Copyright 2014 Outbrain Inc.
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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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package os
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import (
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"github.com/openark/golib/log"
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"io/ioutil"
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"os"
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"os/exec"
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)
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func execCmd(commandText string, arguments ...string) (*exec.Cmd, string, error) {
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commandBytes := []byte(commandText)
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tmpFile, err := ioutil.TempFile("", "gh-ost-process-cmd-")
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if err != nil {
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return nil, "", log.Errore(err)
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}
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ioutil.WriteFile(tmpFile.Name(), commandBytes, 0644)
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log.Debugf("execCmd: %s", commandText)
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shellArguments := append([]string{}, tmpFile.Name())
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shellArguments = append(shellArguments, arguments...)
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log.Debugf("%+v", shellArguments)
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return exec.Command("bash", shellArguments...), tmpFile.Name(), nil
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}
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// CommandRun executes a command
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func CommandRun(commandText string, arguments ...string) error {
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cmd, tmpFileName, err := execCmd(commandText, arguments...)
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defer os.Remove(tmpFileName)
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if err != nil {
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return log.Errore(err)
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}
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err = cmd.Run()
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return log.Errore(err)
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}
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// RunCommandWithOutput executes a command and return output bytes
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func RunCommandWithOutput(commandText string) ([]byte, error) {
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cmd, tmpFileName, err := execCmd(commandText)
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defer os.Remove(tmpFileName)
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if err != nil {
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return nil, log.Errore(err)
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}
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outputBytes, err := cmd.Output()
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if err != nil {
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return nil, log.Errore(err)
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}
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return outputBytes, nil
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}
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