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glusterfs: properly check gidMin and gidMax values from SC individually 

Don't override explict out-of max-range configuration, but
fail with an error message instead.

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1402286

Signed-off-by: Michael Adam <obnox@redhat.com>
pull/6/head
Michael Adam 2016-12-08 11:10:14 +01:00
parent 63044c410e
commit c84cba0440
1 changed files with 21 additions and 9 deletions
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30
pkg/volume/glusterfs/glusterfs.go
View File

@ -73,7 +73,12 @@ const (
gciGlusterMountBinariesPath = "/sbin/mount.glusterfs"
defaultGidMin = 2000
defaultGidMax = math.MaxInt32
absoluteGidMax = math.MaxInt32
// absoluteGidMin/Max are currently the same as the
// default values, but they play a different role and
// could take a different value. Only thing we need is:
// absGidMin <= defGidMin <= defGidMax <= absGidMax
absoluteGidMin = 2000
absoluteGidMax = math.MaxInt32
)
func (plugin *glusterfsPlugin) Init(host volume.VolumeHost) error {
@ -849,6 +854,9 @@ func parseClassParameters(params map[string]string, kubeClient clientset.Interfa
var cfg provisioningConfig
var err error
cfg.gidMin = defaultGidMin
cfg.gidMax = defaultGidMax
authEnabled := true
for k, v := range params {
switch dstrings.ToLower(k) {
@ -873,12 +881,24 @@ func parseClassParameters(params map[string]string, kubeClient clientset.Interfa
if err != nil {
return nil, fmt.Errorf("glusterfs: invalid value %q for volume plugin %s", k, glusterfsPluginName)
}
if parseGidMin < absoluteGidMin {
return nil, fmt.Errorf("glusterfs: gidMin must be >= %v", absoluteGidMin)
}
if parseGidMin > absoluteGidMax {
return nil, fmt.Errorf("glusterfs: gidMin must be <= %v", absoluteGidMax)
}
cfg.gidMin = parseGidMin
case "gidmax":
parseGidMax, err := convertGid(v)
if err != nil {
return nil, fmt.Errorf("glusterfs: invalid value %q for volume plugin %s", k, glusterfsPluginName)
}
if parseGidMax < absoluteGidMin {
return nil, fmt.Errorf("glusterfs: gidMax must be >= %v", absoluteGidMin)
}
if parseGidMax > absoluteGidMax {
return nil, fmt.Errorf("glusterfs: gidMax must be <= %v", absoluteGidMax)
}
cfg.gidMax = parseGidMax
default:
return nil, fmt.Errorf("glusterfs: invalid option %q for volume plugin %s", k, glusterfsPluginName)
@ -911,14 +931,6 @@ func parseClassParameters(params map[string]string, kubeClient clientset.Interfa
cfg.secretValue = cfg.userKey
}
if cfg.gidMin == 0 {
cfg.gidMin = defaultGidMin
}
if cfg.gidMax == 0 {
cfg.gidMax = defaultGidMax
}
if cfg.gidMin > cfg.gidMax {
return nil, fmt.Errorf("StorageClass for provisioner %q must have gidMax value >= gidMin", glusterfsPluginName)
}