firehol/netdata

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src/go/plugin/go.d/modules/zfspool/exec.go

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

package zfspool

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

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

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

type zpoolCLIExec struct {
    *logger.Logger

    binPath string
    timeout time.Duration
}

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

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

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

    return bs, nil
}

func (e *zpoolCLIExec) listWithVdev(pool string) ([]byte, error) {
    ctx, cancel := context.WithTimeout(context.Background(), e.timeout)
    defer cancel()

    cmd := exec.CommandContext(ctx, e.binPath, "list", "-p", "-v", "-L", pool)
    e.Debugf("executing '%s'", cmd)

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

    return bs, nil
}