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rbd: use util.ExecCommand() instead of execCommand()

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Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos
2020-07-22 11:16:08 +02:00
committed by mergify[bot]
parent 457d846241
commit bb4f1c7c9d
2 changed files with 16 additions and 28 deletions
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22
internal/rbd/rbd_util.go
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@ -23,7 +23,6 @@ import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
@ -300,20 +299,19 @@ func (rv *rbdVolume) isInUse() (bool, error) {
// asynchronously. If command is not found returns a bool set to false
// example arg ["trash", "remove","pool/image"].
func addRbdManagerTask(ctx context.Context, pOpts *rbdVolume, arg []string) (bool, error) {
var output []byte
args := []string{"rbd", "task", "add"}
args = append(args, arg...)
util.DebugLog(ctx, "executing %v for image (%s) using mon %s, pool %s", args, pOpts.RbdImageName, pOpts.Monitors, pOpts.Pool)
supported := true
output, err := execCommand("ceph", args)
_, stderr, err := util.ExecCommand("ceph", args...)
if err != nil {
switch {
case strings.Contains(string(output), rbdTaskRemoveCmdInvalidString1) &&
strings.Contains(string(output), rbdTaskRemoveCmdInvalidString2):
case strings.Contains(string(stderr), rbdTaskRemoveCmdInvalidString1) &&
strings.Contains(string(stderr), rbdTaskRemoveCmdInvalidString2):
klog.Warningf(util.Log(ctx, "cluster with cluster ID (%s) does not support Ceph manager based rbd commands (minimum ceph version required is v14.2.3)"), pOpts.ClusterID)
supported = false
case strings.HasPrefix(string(output), rbdTaskRemoveCmdAccessDeniedMessage):
case strings.HasPrefix(string(stderr), rbdTaskRemoveCmdAccessDeniedMessage):
klog.Warningf(util.Log(ctx, "access denied to Ceph MGR-based rbd commands on cluster ID (%s)"), pOpts.ClusterID)
supported = false
default:
@ -665,12 +663,6 @@ func genVolFromVolID(ctx context.Context, volumeID string, cr *util.Credentials,
return rbdVol, err
}
func execCommand(command string, args []string) ([]byte, error) {
// #nosec
cmd := exec.Command(command, args...)
return cmd.CombinedOutput()
}
func getMonsAndClusterID(ctx context.Context, options map[string]string) (monitors, clusterID string, err error) {
var ok bool
@ -1050,16 +1042,14 @@ func cleanupRBDImageMetadataStash(path string) error {
// resizeRBDImage resizes the given volume to new size.
func resizeRBDImage(rbdVol *rbdVolume, cr *util.Credentials) error {
var output []byte
mon := rbdVol.Monitors
volSzMiB := fmt.Sprintf("%dM", util.RoundOffVolSize(rbdVol.VolSize))
args := []string{"resize", rbdVol.String(), "--size", volSzMiB, "--id", cr.ID, "-m", mon, "--keyfile=" + cr.KeyFile}
output, err := execCommand("rbd", args)
_, stderr, err := util.ExecCommand("rbd", args...)
if err != nil {
return fmt.Errorf("failed to resize rbd image (%w), command output: %s", err, string(output))
return fmt.Errorf("failed to resize rbd image (%w), command output: %s", err, string(stderr))
}
return nil