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specgen: support CDI devices from containers.conf 

Closes: https://github.com/containers/podman/issues/16232

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2022-11-21 22:17:49 +01:00
parent 7eb11e7bb3
commit 5d26628df6
No known key found for this signature in database
GPG Key ID: 67E38F7A8BA21772
2 changed files with 35 additions and 1 deletions
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14
pkg/specgen/generate/config_linux.go
View File

@ -8,6 +8,7 @@ import (
"path/filepath"
"strings"
"github.com/container-orchestrated-devices/container-device-interface/pkg/cdi"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/rootless"
"github.com/containers/podman/v4/pkg/util"
@ -19,6 +20,19 @@ import (
// DevicesFromPath computes a list of devices
func DevicesFromPath(g *generate.Generator, devicePath string) error {
if isCDIDevice(devicePath) {
registry := cdi.GetRegistry(
cdi.WithAutoRefresh(false),
)
if err := registry.Refresh(); err != nil {
logrus.Debugf("The following error was triggered when refreshing the CDI registry: %v", err)
}
_, err := registry.InjectDevices(g.Config, devicePath)
if err != nil {
return fmt.Errorf("setting up CDI devices: %w", err)
}
return nil
}
devs := strings.Split(devicePath, ":")
resolvedDevicePath := devs[0]
// check if it is a symbolic link

22
test/e2e/run_device_test.go
View File

@ -1,8 +1,10 @@
package integration
import (
"fmt"
"os"
"os/exec"
"path/filepath"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo"
@ -10,6 +12,19 @@ import (
. "github.com/onsi/gomega/gexec"
)
func createContainersConfFileWithDevices(pTest *PodmanTestIntegration, devices string) {
configPath := filepath.Join(pTest.TempDir, "containers.conf")
containersConf := []byte(fmt.Sprintf("[containers]\ndevices = [%s]\n", devices))
err := os.WriteFile(configPath, containersConf, os.ModePerm)
Expect(err).To(BeNil())
// Set custom containers.conf file
os.Setenv("CONTAINERS_CONF", configPath)
if IsRemote() {
pTest.RestartRemoteService()
}
}
var _ = Describe("Podman run device", func() {
var (
tempdir string
@ -30,7 +45,7 @@ var _ = Describe("Podman run device", func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
os.Unsetenv("CONTAINERS_CONF")
})
It("podman run bad device test", func() {
@ -116,6 +131,11 @@ var _ = Describe("Podman run device", func() {
session := podmanTest.Podman([]string{"run", "-q", "--security-opt", "label=disable", "--device", "vendor.com/device=myKmsg", ALPINE, "test", "-c", "/dev/kmsg1"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
createContainersConfFileWithDevices(podmanTest, "\"vendor.com/device=myKmsg\"")
session = podmanTest.Podman([]string{"run", "-q", "--security-opt", "label=disable", ALPINE, "test", "-c", "/dev/kmsg1"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman run --gpus noop", func() {