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Merge pull request #2412 from QiWang19/iss2380

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Enable specifying directory as device on container with --device
This commit is contained in:
OpenShift Merge Robot 2019-03-06 10:59:56 -08:00 committed by GitHub
parent fb14db49fe c90e0ea346
commit f50715ed25
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 28 additions and 7 deletions
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27
pkg/spec/config_linux.go
View file

@ -46,19 +46,32 @@ func devicesFromPath(g *generate.Generator, devicePath string) error {
return errors.Wrapf(err, "cannot stat %s", devicePath)
}
if st.IsDir() {
if len(devs) > 2 {
return errors.Wrapf(unix.EINVAL, "not allowed to specify destination with a directory %s", devicePath)
}
found := false
src := resolvedDevicePath
dest := src
var devmode string
if len(devs) > 1 {
if len(devs[1]) > 0 && devs[1][0] == '/' {
dest = devs[1]
} else {
devmode = devs[1]
}
}
if len(devs) > 2 {
if devmode != "" {
return errors.Wrapf(unix.EINVAL, "invalid device specification %s", devicePath)
}
devmode = devs[2]
}
// mount the internal devices recursively
if err := filepath.Walk(resolvedDevicePath, func(dpath string, f os.FileInfo, e error) error {
if f.Mode()&os.ModeDevice == os.ModeDevice {
found = true
device := dpath
if len(devs) > 1 {
device = fmt.Sprintf("%s:%s", dpath, devs[1])
device := fmt.Sprintf("%s:%s", dpath, filepath.Join(dest, strings.TrimPrefix(dpath, src)))
if devmode != "" {
device = fmt.Sprintf("%s:%s", device, devmode)
}
if err := addDevice(g, device); err != nil {
return errors.Wrapf(err, "failed to add %s device", dpath)

8
test/e2e/run_device_test.go
View file

@ -72,4 +72,12 @@ var _ = Describe("Podman run device", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Not(Equal(0)))
})
It("podman run device host device and container device parameter are directories", func() {
SystemExec("mkdir", []string{"/dev/foodevdir"})
SystemExec("mknod", []string{"/dev/foodevdir/null", "c", "1", "3"})
session := podmanTest.Podman([]string{"run", "-q", "--device", "/dev/foodevdir:/dev/bar", ALPINE, "ls", "/dev/bar/null"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
})