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RBD Plugin: Fix bug in checking command not found error.

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This commit is contained in:
Yecheng Fu 2017-10-25 16:34:22 +08:00
parent 6e950cc629
commit ff639e80e8
1 changed files with 11 additions and 7 deletions
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18
pkg/volume/rbd/rbd_util.go
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@ -27,6 +27,7 @@ import (
"io/ioutil" "io/ioutil"
"math/rand" "math/rand"
"os" "os"
"os/exec"
"path" "path"
"regexp" "regexp"
"strings" "strings"
@ -43,7 +44,6 @@ import (
const ( const (
imageWatcherStr = "watcher=" imageWatcherStr = "watcher="
kubeLockMagic = "kubelet_lock_magic_" kubeLockMagic = "kubelet_lock_magic_"
rbdCmdErr = "executable file not found in $PATH"
) )
// search /sys/bus for rbd device that matches given pool and image // search /sys/bus for rbd device that matches given pool and image
@ -117,8 +117,10 @@ func (util *RBDUtil) MakeGlobalPDName(rbd rbd) string {
} }
func rbdErrors(runErr, resultErr error) error { func rbdErrors(runErr, resultErr error) error {
if runErr.Error() == rbdCmdErr { if err, ok := runErr.(*exec.Error); ok {
return fmt.Errorf("rbd: rbd cmd not found") if err.Err == exec.ErrNotFound {
return fmt.Errorf("rbd: rbd cmd not found")
}
} }
return resultErr return resultErr
} }
@ -479,10 +481,12 @@ func (util *RBDUtil) rbdStatus(b *rbdMounter) (bool, string, error) {
break break
} }
if err.Error() == rbdCmdErr { if err, ok := err.(*exec.Error); ok {
glog.Errorf("rbd cmd not found") if err.Err == exec.ErrNotFound {
// fail fast if command not found glog.Errorf("rbd cmd not found")
return false, output, err // fail fast if command not found
return false, output, err
}
} }
} }