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mirror of https://github.com/linka-cloud/d2vm.git synced 2024-11-17 21:46:24 +00:00
d2vm/pkg/exec/exec.go
Adphi d18e68b138
run in docker if not root or sudo (fix #5 #9 #11)
set user permissions on image if run with sudo or in docker
run/vbox & run/hetzner: run qemu-img in docker if not available in path

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
2022-09-13 15:02:38 +02:00

72 lines
1.9 KiB
Go

// Copyright 2022 Linka Cloud All rights reserved.
//
// 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 exec
import (
"bytes"
"context"
"fmt"
"os/exec"
"strings"
"github.com/sirupsen/logrus"
)
var (
Run = RunNoOut
)
func SetDebug(debug bool) {
if debug {
Run = RunDebug
logrus.SetLevel(logrus.DebugLevel)
} else {
Run = RunNoOut
}
}
func CommandContext(ctx context.Context, c string, args ...string) *exec.Cmd {
logrus.Debugf("$ %s %s", c, strings.Join(args, " "))
return exec.CommandContext(ctx, c, args...)
}
func RunDebug(ctx context.Context, c string, args ...string) error {
logrus.Debugf("$ %s %s", c, strings.Join(args, " "))
cmd := exec.CommandContext(ctx, c, args...)
cmd.Stdout = logrus.StandardLogger().WriterLevel(logrus.DebugLevel)
cmd.Stderr = logrus.StandardLogger().WriterLevel(logrus.DebugLevel)
return cmd.Run()
}
func RunNoOut(ctx context.Context, c string, args ...string) error {
_, _, err := RunOut(ctx, c, args...)
if err != nil {
return err
}
return nil
}
func RunOut(ctx context.Context, c string, args ...string) (stdout, stderr string, err error) {
cmd := exec.CommandContext(ctx, c, args...)
var stdo, stde bytes.Buffer
cmd.Stdout = &stdo
cmd.Stderr = &stde
err = cmd.Run()
if err != nil {
return "", "", fmt.Errorf("%s %s: stdout: %s stderr: %s error: %w", c, strings.Join(args, " "), stdo.String(), stde.String(), err)
}
return stdo.String(), stde.String(), nil
}