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authorMatthew Heon <matthew.heon@gmail.com>2018-09-07 10:40:31 -0400
committerAtomic Bot <atomic-devel@projectatomic.io>2018-09-07 17:50:58 +0000
commitccc4a339cd124abc668b7542a9eb838cd7d1b214 (patch)
tree707e6d031497be7b82b745e7a5f9d126e7a8ed6c /pkg/spec
parent2e89e5a204dd99a2bfff25c97fa2f4583c0a3ae1 (diff)
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Respect user-added mounts over default spec mounts
When there was a conflict between a user-added volume and a mount already in the spec, we previously respected the mount already in the spec and discarded the user-added mount. This is counter to expected behavior - if I volume-mount /dev into the container, I epxect it will override the default /dev in the container, and not be ignored. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1419 Approved by: TomSweeneyRedHat
Diffstat (limited to 'pkg/spec')
-rw-r--r--pkg/spec/createconfig.go5
-rw-r--r--pkg/spec/spec.go24
2 files changed, 16 insertions, 13 deletions
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index 486281200..0ab0bb9ff 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -160,9 +160,6 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
if len(spliti) > 2 {
options = strings.Split(spliti[2], ",")
}
- if libpod.MountExists(specMounts, spliti[1]) {
- continue
- }
options = append(options, "rbind")
for _, opt := range options {
switch opt {
@@ -201,6 +198,8 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
Source: spliti[0],
Options: options,
})
+
+ logrus.Debugf("User mount %s:%s options %v", spliti[0], spliti[1], options)
}
// volumes from image config
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go
index 12b3b42b5..77dbf8b42 100644
--- a/pkg/spec/spec.go
+++ b/pkg/spec/spec.go
@@ -2,6 +2,7 @@ package createconfig
import (
"os"
+ "path"
"strings"
"github.com/containers/libpod/libpod"
@@ -310,18 +311,21 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
if err != nil {
return nil, errors.Wrapf(err, "error getting volume mounts")
}
- // If we have overlappings mounts, remove them from the spec in favor of
- // the user-added volume mounts
- destinations := make(map[string]bool)
- for _, mount := range mounts {
- destinations[mount.Destination] = true
- }
- for _, mount := range configSpec.Mounts {
- if _, ok := destinations[mount.Destination]; !ok {
- mounts = append(mounts, mount)
+ if len(mounts) > 0 {
+ // If we have overlappings mounts, remove them from the spec in favor of
+ // the user-added volume mounts
+ destinations := make(map[string]bool)
+ for _, mount := range mounts {
+ destinations[path.Clean(mount.Destination)] = true
+ }
+ for _, mount := range configSpec.Mounts {
+ if _, ok := destinations[path.Clean(mount.Destination)]; !ok {
+ logrus.Debugf("Adding mount %s", mount.Destination)
+ mounts = append(mounts, mount)
+ }
}
+ configSpec.Mounts = mounts
}
- configSpec.Mounts = mounts
if err := g.SetLinuxRootPropagation("shared"); err != nil {
return nil, errors.Wrapf(err, "failed to set propagation to rslave")