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authorCosmin Tupangiu <cosmin@redhat.com>2022-05-17 10:47:45 +0200
committerCosmin Tupangiu <cosmin@redhat.com>2022-05-17 11:15:43 +0200
commit0c9b0e2aa7dd57efe780754dafd9bdadc086c51f (patch)
tree91dd276ac3c34491de0dd0cba863871bdc1e4b94 /pkg/specgen
parenteb26fa45f1326191dea27f2afabf82cb8b934140 (diff)
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expose block and char devices with play kube
[NO NEW TESTS NEEDED] Signed-off-by: Cosmin Tupangiu <cosmin@redhat.com>
Diffstat (limited to 'pkg/specgen')
-rw-r--r--pkg/specgen/generate/kube/kube.go16
-rw-r--r--pkg/specgen/generate/kube/volume.go31
2 files changed, 44 insertions, 3 deletions
diff --git a/pkg/specgen/generate/kube/kube.go b/pkg/specgen/generate/kube/kube.go
index e4c149abf..795ff876e 100644
--- a/pkg/specgen/generate/kube/kube.go
+++ b/pkg/specgen/generate/kube/kube.go
@@ -381,6 +381,22 @@ func ToSpecGen(ctx context.Context, opts *CtrSpecGenOptions) (*specgen.SpecGener
Options: options,
}
s.Volumes = append(s.Volumes, &cmVolume)
+ case KubeVolumeTypeCharDevice:
+ // We are setting the path as hostPath:mountPath to comply with DeviceFromPath (https://github.com/containers/podman/blob/eb26fa45f1326191dea27f2afabf82cb8b934140/pkg/specgen/generate/config_linux.go#L72)
+ // The type is here just to improve readability as it is not taken into account when the actual device is created.
+ device := spec.LinuxDevice{
+ Path: fmt.Sprintf("%s:%s", volumeSource.Source, volume.MountPath),
+ Type: "c",
+ }
+ s.Devices = append(s.Devices, device)
+ case KubeVolumeTypeBlockDevice:
+ // We are setting the path as hostPath:mountPath to comply with DeviceFromPath (https://github.com/containers/podman/blob/eb26fa45f1326191dea27f2afabf82cb8b934140/pkg/specgen/generate/config_linux.go#L72)
+ // The type is here just to improve readability as it is not taken into account when the actual device is created.
+ device := spec.LinuxDevice{
+ Path: fmt.Sprintf("%s:%s", volumeSource.Source, volume.MountPath),
+ Type: "b",
+ }
+ s.Devices = append(s.Devices, device)
default:
return nil, errors.Errorf("Unsupported volume source type")
}
diff --git a/pkg/specgen/generate/kube/volume.go b/pkg/specgen/generate/kube/volume.go
index 27881e77a..2fc63fc7c 100644
--- a/pkg/specgen/generate/kube/volume.go
+++ b/pkg/specgen/generate/kube/volume.go
@@ -22,8 +22,10 @@ type KubeVolumeType int
const (
KubeVolumeTypeBindMount KubeVolumeType = iota
- KubeVolumeTypeNamed KubeVolumeType = iota
- KubeVolumeTypeConfigMap KubeVolumeType = iota
+ KubeVolumeTypeNamed
+ KubeVolumeTypeConfigMap
+ KubeVolumeTypeBlockDevice
+ KubeVolumeTypeCharDevice
)
//nolint:revive
@@ -78,7 +80,30 @@ func VolumeFromHostPath(hostPath *v1.HostPathVolumeSource) (*KubeVolume, error)
if st.Mode()&os.ModeSocket != os.ModeSocket {
return nil, errors.Errorf("checking HostPathSocket: path %s is not a socket", hostPath.Path)
}
-
+ case v1.HostPathBlockDev:
+ dev, err := os.Stat(hostPath.Path)
+ if err != nil {
+ return nil, errors.Wrap(err, "error checking HostPathBlockDevice")
+ }
+ if dev.Mode()&os.ModeDevice != os.ModeDevice {
+ return nil, errors.Errorf("checking HosPathDevice: path %s is not a block device", hostPath.Path)
+ }
+ return &KubeVolume{
+ Type: KubeVolumeTypeBlockDevice,
+ Source: hostPath.Path,
+ }, nil
+ case v1.HostPathCharDev:
+ dev, err := os.Stat(hostPath.Path)
+ if err != nil {
+ return nil, errors.Wrap(err, "error checking HostPathCharDevice")
+ }
+ if dev.Mode()&os.ModeCharDevice != os.ModeCharDevice {
+ return nil, errors.Errorf("checking HosPathCharDevice: path %s is not a character device", hostPath.Path)
+ }
+ return &KubeVolume{
+ Type: KubeVolumeTypeCharDevice,
+ Source: hostPath.Path,
+ }, nil
case v1.HostPathDirectory:
case v1.HostPathFile:
case v1.HostPathUnset: