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Diffstat (limited to 'pkg/specgen/volumes.go')
-rw-r--r--pkg/specgen/volumes.go13
1 files changed, 12 insertions, 1 deletions
diff --git a/pkg/specgen/volumes.go b/pkg/specgen/volumes.go
index 83634b4ef..d85d2bdd1 100644
--- a/pkg/specgen/volumes.go
+++ b/pkg/specgen/volumes.go
@@ -31,6 +31,8 @@ type OverlayVolume struct {
Destination string `json:"destination"`
// Source specifies the source path of the mount.
Source string `json:"source,omitempty"`
+ // Options holds overlay volume options.
+ Options []string `json:"options,omitempty"`
}
// ImageVolume is a volume based on a container image. The container image is
@@ -100,10 +102,17 @@ func GenVolumeMounts(volumeFlag []string) (map[string]spec.Mount, map[string]*Na
if strings.HasPrefix(src, "/") || strings.HasPrefix(src, ".") {
// This is not a named volume
overlayFlag := false
+ chownFlag := false
for _, o := range options {
if o == "O" {
overlayFlag = true
- if len(options) > 1 {
+
+ joinedOpts := strings.Join(options, "")
+ if strings.Contains(joinedOpts, "U") {
+ chownFlag = true
+ }
+
+ if len(options) > 2 || (len(options) == 2 && !chownFlag) {
return nil, nil, nil, errors.New("can't use 'O' with other options")
}
}
@@ -113,6 +122,8 @@ func GenVolumeMounts(volumeFlag []string) (map[string]spec.Mount, map[string]*Na
newOverlayVol := new(OverlayVolume)
newOverlayVol.Destination = cleanDest
newOverlayVol.Source = src
+ newOverlayVol.Options = options
+
if _, ok := overlayVolumes[newOverlayVol.Destination]; ok {
return nil, nil, nil, errors.Wrapf(errDuplicateDest, newOverlayVol.Destination)
}