Files
cloudpods/pkg/baremetal/utils/raid/drivers/executor.go
2021-07-16 12:20:52 +08:00

71 lines
1.8 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package drivers
import (
"bytes"
"fmt"
"io"
"os/exec"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/onecloud/pkg/util/ssh"
)
type Executor struct{}
func (e *Executor) Run(cmds ...string) ([]string, error) {
return e.run(true, cmds, nil)
}
func (e *Executor) RunWithInput(input io.Reader, cmds ...string) ([]string, error) {
return e.run(true, cmds, input)
}
func (e *Executor) run(parseOutput bool, cmds []string, input io.Reader) ([]string, error) {
ret := []string{}
for _, cmd := range cmds {
log.Debugf("Run command: %s", cmd)
proc := exec.Command("sh", "-c", cmd)
var stdOut bytes.Buffer
var stdErr bytes.Buffer
proc.Stdout = &stdOut
proc.Stderr = &stdErr
proc.Stdin = input
if err := proc.Run(); err != nil {
var outputErr error
errMsg := stdErr.String()
if len(stdOut.String()) != 0 {
errMsg = fmt.Sprintf("%s %s", errMsg, stdOut.String())
}
outputErr = errors.Error(errMsg)
err = errors.Wrapf(outputErr, "%q error: %v, cmd error", cmd, err)
return nil, err
}
if parseOutput {
ret = append(ret, ssh.ParseOutput(stdOut.Bytes())...)
} else {
ret = append(ret, stdOut.String())
}
}
return ret, nil
}
func NewExecutor() *Executor {
return new(Executor)
}