firehol/netdata

// SPDX-License-Identifier: GPL-3.0-or-later

package postfix

import (
    "context"
    "fmt"
    "os/exec"
    "time"

    "github.com/netdata/netdata/go/plugins/logger"
)

func newPostqueueExec(binPath string, timeout time.Duration) *postqueueExec {
    return &postqueueExec{
        binPath: binPath,
        timeout: timeout,
    }
}

type postqueueExec struct {
    *logger.Logger

    binPath string
    timeout time.Duration
}

func (p *postqueueExec) list() ([]byte, error) {
    ctx, cancel := context.WithTimeout(context.Background(), p.timeout)
    defer cancel()

    cmd := exec.CommandContext(ctx, p.binPath, "-p")
    p.Debugf("executing '%s'", cmd)

    bs, err := cmd.Output()
    if err != nil {
        return nil, fmt.Errorf("error on '%s': %v", cmd, err)
    }

    return bs, nil
}