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fix expanding rbd volumes without ceph.conf

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Ignore stderr of rbd info --format=json as without a ceph.conf it will
print messages about no configuration onto stderr which break the
json parsing.

The actual json information the function wants is always on stdout.

Closes: gh-88643

Signed-off-by: Julian Taylor <juliantaylor108@gmail.com>
This commit is contained in:
Julian Taylor 2020-06-11 11:12:04 +02:00
parent a8e43038a4
commit da01c8d472
1 changed files with 1 additions and 1 deletions
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2
pkg/volume/rbd/rbd_util.go
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@ -712,7 +712,7 @@ func (util *rbdUtil) rbdInfo(b *rbdMounter) (int, error) {
//
klog.V(4).Infof("rbd: info %s using mon %s, pool %s id %s key %s", b.Image, mon, b.Pool, id, secret)
output, err = b.exec.Command("rbd",
"info", b.Image, "--pool", b.Pool, "-m", mon, "--id", id, "--key="+secret, "-k=/dev/null", "--format=json").CombinedOutput()
"info", b.Image, "--pool", b.Pool, "-m", mon, "--id", id, "--key="+secret, "-k=/dev/null", "--format=json").Output()
if err, ok := err.(*exec.Error); ok {
if err.Err == exec.ErrNotFound {