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-rw-r--r--go.mod1
-rw-r--r--go.sum2
-rw-r--r--libpod/container_config.go2
-rw-r--r--libpod/container_internal_linux.go8
-rw-r--r--libpod/options.go11
-rw-r--r--pkg/specgen/generate/container_create.go33
-rw-r--r--test/e2e/cdi/device.json14
-rw-r--r--test/e2e/run_device_test.go19
-rw-r--r--vendor/github.com/container-orchestrated-devices/container-device-interface/LICENSE201
-rw-r--r--vendor/github.com/container-orchestrated-devices/container-device-interface/pkg/devices.go180
-rw-r--r--vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/config.go50
-rw-r--r--vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/oci.go104
-rw-r--r--vendor/modules.txt3
13 files changed, 628 insertions, 0 deletions
diff --git a/go.mod b/go.mod
index a225cb89e..14e958ff9 100644
--- a/go.mod
+++ b/go.mod
@@ -8,6 +8,7 @@ require (
github.com/buger/goterm v0.0.0-20181115115552-c206103e1f37
github.com/checkpoint-restore/checkpointctl v0.0.0-20210301084134-a2024f5584e7
github.com/checkpoint-restore/go-criu v0.0.0-20190109184317-bdb7599cd87b
+ github.com/container-orchestrated-devices/container-device-interface v0.0.0-20210325223243-f99e8b6c10b9
github.com/containernetworking/cni v0.8.1
github.com/containernetworking/plugins v0.9.1
github.com/containers/buildah v1.20.1-0.20210402144408-36a37402d0c8
diff --git a/go.sum b/go.sum
index 87fc57360..41a2f8e7e 100644
--- a/go.sum
+++ b/go.sum
@@ -120,6 +120,8 @@ github.com/cilium/ebpf v0.2.0/go.mod h1:To2CFviqOWL/M0gIMsvSMlqe7em/l1ALkX1PyjrX
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
+github.com/container-orchestrated-devices/container-device-interface v0.0.0-20210325223243-f99e8b6c10b9 h1:Kn0s9/APRtr5dk/83aXj97WX0+PYnJK9BO8g0Xclm0I=
+github.com/container-orchestrated-devices/container-device-interface v0.0.0-20210325223243-f99e8b6c10b9/go.mod h1:eQt66kIaJpUhCrjCtBFQGQxGLbAUl0OuuwjTH16ON4s=
github.com/containerd/aufs v0.0.0-20200908144142-dab0cbea06f4/go.mod h1:nukgQABAEopAHvB6j7cnP5zJ+/3aVcE7hCYqvIwAHyE=
github.com/containerd/aufs v0.0.0-20201003224125-76a6863f2989/go.mod h1:AkGGQs9NM2vtYHaUen+NljV0/baGCAPELGm2q9ZXpWU=
github.com/containerd/aufs v0.0.0-20210316121734-20793ff83c97/go.mod h1:kL5kd6KM5TzQjR79jljyi4olc1Vrx6XBlcyj3gNv2PU=
diff --git a/libpod/container_config.go b/libpod/container_config.go
index e6c3be1bd..d0572fbc2 100644
--- a/libpod/container_config.go
+++ b/libpod/container_config.go
@@ -366,4 +366,6 @@ type ContainerMiscConfig struct {
Umask string `json:"umask,omitempty"`
// PidFile is the file that saves the pid of the container process
PidFile string `json:"pid_file,omitempty"`
+ // CDIDevices contains devices that use the CDI
+ CDIDevices []string `json:"cdiDevices,omitempty"`
}
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 1986f7438..f4762b5ff 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -20,6 +20,7 @@ import (
"time"
metadata "github.com/checkpoint-restore/checkpointctl/lib"
+ cdi "github.com/container-orchestrated-devices/container-device-interface/pkg"
cnitypes "github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containers/buildah/pkg/chrootuser"
@@ -704,6 +705,13 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) {
}
g.SetLinuxCgroupsPath(cgroupPath)
+ // Warning: CDI may alter g.Config in place.
+ if len(c.config.CDIDevices) > 0 {
+ if err = cdi.UpdateOCISpecForDevices(g.Config, c.config.CDIDevices); err != nil {
+ return nil, errors.Wrapf(err, "error setting up CDI devices")
+ }
+ }
+
// Mounts need to be sorted so paths will not cover other paths
mounts := sortMounts(g.Mounts())
g.ClearMounts()
diff --git a/libpod/options.go b/libpod/options.go
index 5cd0f7b88..103a9a80a 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -293,6 +293,17 @@ func WithHooksDir(hooksDirs ...string) RuntimeOption {
}
}
+// WithCDI sets the devices to check for for CDI configuration.
+func WithCDI(devices []string) CtrCreateOption {
+ return func(ctr *Container) error {
+ if ctr.valid {
+ return define.ErrCtrFinalized
+ }
+ ctr.config.CDIDevices = devices
+ return nil
+ }
+}
+
// WithDefaultMountsFile sets the file to look at for default mounts (mainly
// secrets).
// Note we are not saving this in the database as it is for testing purposes
diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go
index 13d4b4926..2f623bf10 100644
--- a/pkg/specgen/generate/container_create.go
+++ b/pkg/specgen/generate/container_create.go
@@ -6,12 +6,14 @@ import (
"path/filepath"
"strings"
+ cdi "github.com/container-orchestrated-devices/container-device-interface/pkg"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/libpod/image"
"github.com/containers/podman/v3/pkg/specgen"
"github.com/containers/podman/v3/pkg/util"
"github.com/containers/storage/types"
+ spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/selinux/go-selinux/label"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -136,6 +138,11 @@ func MakeContainer(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGener
options = append(options, libpod.WithNetworkAliases(s.Aliases))
}
+ if len(s.Devices) > 0 {
+ opts = extractCDIDevices(s)
+ options = append(options, opts...)
+ }
+
runtimeSpec, err := SpecGenToOCI(ctx, s, rt, rtc, newImage, finalMounts, pod, command)
if err != nil {
return nil, err
@@ -143,6 +150,32 @@ func MakeContainer(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGener
return rt.NewContainer(ctx, runtimeSpec, options...)
}
+func extractCDIDevices(s *specgen.SpecGenerator) []libpod.CtrCreateOption {
+ devs := make([]spec.LinuxDevice, 0, len(s.Devices))
+ var cdiDevs []string
+ var options []libpod.CtrCreateOption
+
+ for _, device := range s.Devices {
+ isCDIDevice, err := cdi.HasDevice(device.Path)
+ if err != nil {
+ logrus.Debugf("CDI HasDevice Error: %v", err)
+ }
+ if err == nil && isCDIDevice {
+ cdiDevs = append(cdiDevs, device.Path)
+ continue
+ }
+
+ devs = append(devs, device)
+ }
+
+ s.Devices = devs
+ if len(cdiDevs) > 0 {
+ options = append(options, libpod.WithCDI(cdiDevs))
+ }
+
+ return options
+}
+
func createContainerOptions(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGenerator, pod *libpod.Pod, volumes []*specgen.NamedVolume, overlays []*specgen.OverlayVolume, img *image.Image, command []string) ([]libpod.CtrCreateOption, error) {
var options []libpod.CtrCreateOption
var err error
diff --git a/test/e2e/cdi/device.json b/test/e2e/cdi/device.json
new file mode 100644
index 000000000..f49470c88
--- /dev/null
+++ b/test/e2e/cdi/device.json
@@ -0,0 +1,14 @@
+{
+ "cdiVersion": "0.2.0",
+ "kind": "vendor.com/device",
+ "devices": [
+ {
+ "name": "myKmsg",
+ "containerEdits": {
+ "mounts": [
+ {"hostPath": "/dev/kmsg", "containerPath": "/dev/kmsg1", "options": ["rw", "rprivate", "rbind"]}
+ ]
+ }
+ }
+ ]
+}
diff --git a/test/e2e/run_device_test.go b/test/e2e/run_device_test.go
index 5a32ed827..3137e3fe4 100644
--- a/test/e2e/run_device_test.go
+++ b/test/e2e/run_device_test.go
@@ -2,6 +2,7 @@ package integration
import (
"os"
+ "os/exec"
. "github.com/containers/podman/v3/test/utils"
. "github.com/onsi/ginkgo"
@@ -94,4 +95,22 @@ var _ = Describe("Podman run device", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
+
+ It("podman run CDI device test", func() {
+ SkipIfRootless("Rootless will not be able to create files/folders in /etc")
+ cdiDir := "/etc/cdi"
+ if _, err := os.Stat(cdiDir); os.IsNotExist(err) {
+ Expect(os.MkdirAll(cdiDir, os.ModePerm)).To(BeNil())
+ }
+ defer os.RemoveAll(cdiDir)
+
+ cmd := exec.Command("cp", "cdi/device.json", cdiDir)
+ err = cmd.Run()
+ Expect(err).To(BeNil())
+
+ session := podmanTest.Podman([]string{"run", "-q", "--security-opt", "label=disable", "--device", "myKmsg", ALPINE, "ls", "--color=never", "/dev/kmsg1"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ Expect(session.OutputToString()).To(Equal("/dev/kmsg1"))
+ })
})
diff --git a/vendor/github.com/container-orchestrated-devices/container-device-interface/LICENSE b/vendor/github.com/container-orchestrated-devices/container-device-interface/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/container-orchestrated-devices/container-device-interface/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Legal Entity" shall mean the union of the acting entity and all
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+ outstanding shares, or (iii) beneficial ownership of such entity.
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+ "You" (or "Your") shall mean an individual or Legal Entity
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+ "Work" shall mean the work of authorship, whether in Source or
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+ copyright notice that is included in or attached to the work
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+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
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+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
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+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
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+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
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+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
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+ (d) If the Work includes a "NOTICE" text file as part of its
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+ of the following places: within a NOTICE text file distributed
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+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
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+ You may add Your own copyright statement to Your modifications and
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+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
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+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
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+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
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+ http://www.apache.org/licenses/LICENSE-2.0
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+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
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diff --git a/vendor/github.com/container-orchestrated-devices/container-device-interface/pkg/devices.go b/vendor/github.com/container-orchestrated-devices/container-device-interface/pkg/devices.go
new file mode 100644
index 000000000..e66fd36c0
--- /dev/null
+++ b/vendor/github.com/container-orchestrated-devices/container-device-interface/pkg/devices.go
@@ -0,0 +1,180 @@
+package pkg
+
+import (
+ "encoding/json"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "strings"
+
+ cdispec "github.com/container-orchestrated-devices/container-device-interface/specs-go"
+ spec "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+const (
+ root = "/etc/cdi"
+)
+
+func collectCDISpecs() (map[string]*cdispec.Spec, error) {
+ var files []string
+ vendor := make(map[string]*cdispec.Spec)
+
+ err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+ if info == nil || info.IsDir() {
+ return nil
+ }
+
+ if filepath.Ext(path) != ".json" {
+ return nil
+ }
+
+ files = append(files, path)
+ return nil
+ })
+
+ if err != nil {
+ return nil, err
+ }
+
+ for _, path := range files {
+ spec, err := loadCDIFile(path)
+ if err != nil {
+ continue
+ }
+
+ if _, ok := vendor[spec.Kind]; ok {
+ continue
+ }
+
+ vendor[spec.Kind] = spec
+ }
+
+ return vendor, nil
+}
+
+// TODO: Validate (e.g: duplicate device names)
+func loadCDIFile(path string) (*cdispec.Spec, error) {
+ file, err := ioutil.ReadFile(path)
+ if err != nil {
+ return nil, err
+ }
+
+ var spec *cdispec.Spec
+ err = json.Unmarshal([]byte(file), &spec)
+ if err != nil {
+ return nil, err
+ }
+
+ return spec, nil
+}
+
+/*
+* Pattern "vendor.com/device=myDevice" with the vendor being optional
+ */
+func extractVendor(dev string) (string, string) {
+ if strings.IndexByte(dev, '=') == -1 {
+ return "", dev
+ }
+
+ split := strings.SplitN(dev, "=", 2)
+ return split[0], split[1]
+}
+
+// GetCDIForDevice returns the CDI specification that matches the device name the user provided.
+func GetCDIForDevice(dev string, specs map[string]*cdispec.Spec) (*cdispec.Spec, error) {
+ vendor, device := extractVendor(dev)
+
+ if vendor != "" {
+ s, ok := specs[vendor]
+ if !ok {
+ return nil, fmt.Errorf("Could not find vendor %q for device %q", vendor, device)
+ }
+
+ for _, d := range s.Devices {
+ if d.Name != device {
+ continue
+ }
+
+ return s, nil
+ }
+
+ return nil, fmt.Errorf("Could not find device %q for vendor %q", device, vendor)
+ }
+
+ var found []*cdispec.Spec
+ var vendors []string
+ for vendor, spec := range specs {
+
+ for _, d := range spec.Devices {
+ if d.Name != device {
+ continue
+ }
+
+ found = append(found, spec)
+ vendors = append(vendors, vendor)
+ }
+ }
+
+ if len(found) > 1 {
+ return nil, fmt.Errorf("%q is ambiguous and currently refers to multiple devices from different vendors: %q", dev, vendors)
+ }
+
+ if len(found) == 1 {
+ return found[0], nil
+ }
+
+ return nil, fmt.Errorf("Could not find device %q", dev)
+}
+
+// HasDevice returns true if a device is a CDI device
+// an error may be returned in cases where permissions may be required
+func HasDevice(dev string) (bool, error) {
+ specs, err := collectCDISpecs()
+ if err != nil {
+ return false, err
+ }
+
+ d, err := GetCDIForDevice(dev, specs)
+ if err != nil {
+ return false, err
+ }
+
+ return d != nil, nil
+}
+
+// UpdateOCISpecForDevices updates the given OCI spec based on the requested CDI devices
+func UpdateOCISpecForDevices(ociconfig *spec.Spec, devs []string) error {
+ specs, err := collectCDISpecs()
+ if err != nil {
+ return err
+ }
+
+ return UpdateOCISpecForDevicesWithSpec(ociconfig, devs, specs)
+}
+
+// UpdateOCISpecForDevicesWithLoggerAndSpecs is mainly used for testing
+func UpdateOCISpecForDevicesWithSpec(ociconfig *spec.Spec, devs []string, specs map[string]*cdispec.Spec) error {
+ edits := make(map[string]*cdispec.Spec)
+
+ for _, d := range devs {
+ spec, err := GetCDIForDevice(d, specs)
+ if err != nil {
+ return err
+ }
+
+ edits[spec.Kind] = spec
+ err = cdispec.ApplyOCIEditsForDevice(ociconfig, spec, d)
+ if err != nil {
+ return err
+ }
+ }
+
+ for _, spec := range edits {
+ if err := cdispec.ApplyOCIEdits(ociconfig, spec); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
diff --git a/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/config.go b/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/config.go
new file mode 100644
index 000000000..0223bb703
--- /dev/null
+++ b/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/config.go
@@ -0,0 +1,50 @@
+package specs
+
+// Spec is the base configuration for CDI
+type Spec struct {
+ Version string `json:"cdiVersion"`
+ Kind string `json:"kind"`
+ KindShort []string `json:"kindShort,omitempty"`
+ ContainerRuntime []string `json:"containerRuntime,omitempty"`
+
+ Devices []Devices `json:"devices"`
+ ContainerEdits ContainerEdits `json:"containerEdits,omitempty"`
+}
+
+// Devices is a "Device" a container runtime can add to a container
+type Devices struct {
+ Name string `json:"name"`
+ NameShort []string `json:"nameShort"`
+ ContainerEdits ContainerEdits `json:"containerEdits"`
+}
+
+// ContainerEdits are edits a container runtime must make to the OCI spec to expose the device.
+type ContainerEdits struct {
+ Env []string `json:"env,omitempty"`
+ DeviceNodes []*DeviceNode `json:"deviceNodes,omitempty"`
+ Hooks []*Hook `json:"hooks,omitempty"`
+ Mounts []*Mount `json:"mounts,omitempty"`
+}
+
+// DeviceNode represents a device node that needs to be added to the OCI spec.
+type DeviceNode struct {
+ HostPath string `json:"hostPath"`
+ ContainerPath string `json:"containerPath"`
+ Permissions []string `json:"permissions,omitempty"`
+}
+
+// Mount represents a mount that needs to be added to the OCI spec.
+type Mount struct {
+ HostPath string `json:"hostPath"`
+ ContainerPath string `json:"containerPath"`
+ Options []string `json:"options,omitempty"`
+}
+
+// Hook represents a hook that needs to be added to the OCI spec.
+type Hook struct {
+ HookName string `json:"hookName"`
+ Path string `json:"path"`
+ Args []string `json:"args,omitempty"`
+ Env []string `json:"env,omitempty"`
+ Timeout *int `json:"timeout,omitempty"`
+}
diff --git a/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/oci.go b/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/oci.go
new file mode 100644
index 000000000..c59cda55d
--- /dev/null
+++ b/vendor/github.com/container-orchestrated-devices/container-device-interface/specs-go/oci.go
@@ -0,0 +1,104 @@
+package specs
+
+import (
+ "errors"
+ "fmt"
+
+ spec "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+// ApplyOCIEditsForDevice applies devices OCI edits, in other words
+// it finds the device in the CDI spec and applies the OCI patches that device
+// requires to the OCI specification.
+func ApplyOCIEditsForDevice(config *spec.Spec, cdi *Spec, dev string) error {
+ for _, d := range cdi.Devices {
+ if d.Name != dev {
+ continue
+ }
+
+ return ApplyEditsToOCISpec(config, &d.ContainerEdits)
+ }
+
+ return fmt.Errorf("CDI: device %q not found for spec %q", dev, cdi.Kind)
+}
+
+// ApplyOCIEdits applies the OCI edits the CDI spec declares globablly
+func ApplyOCIEdits(config *spec.Spec, cdi *Spec) error {
+ return ApplyEditsToOCISpec(config, &cdi.ContainerEdits)
+}
+
+// ApplyEditsToOCISpec applies the specified edits to the OCI spec.
+func ApplyEditsToOCISpec(config *spec.Spec, edits *ContainerEdits) error {
+ if config == nil {
+ return errors.New("spec is nil")
+ }
+ if edits == nil {
+ return nil
+ }
+
+ if len(edits.Env) > 0 {
+
+ if config.Process == nil {
+ config.Process = &spec.Process{}
+ }
+
+ config.Process.Env = append(config.Process.Env, edits.Env...)
+ }
+
+ for _, d := range edits.DeviceNodes {
+ config.Mounts = append(config.Mounts, toOCIDevice(d))
+ }
+
+ for _, m := range edits.Mounts {
+ config.Mounts = append(config.Mounts, toOCIMount(m))
+ }
+
+ for _, h := range edits.Hooks {
+ if config.Hooks == nil {
+ config.Hooks = &spec.Hooks{}
+ }
+ switch h.HookName {
+ case "prestart":
+ config.Hooks.Prestart = append(config.Hooks.Prestart, toOCIHook(h))
+ case "createRuntime":
+ config.Hooks.CreateRuntime = append(config.Hooks.CreateRuntime, toOCIHook(h))
+ case "createContainer":
+ config.Hooks.CreateContainer = append(config.Hooks.CreateContainer, toOCIHook(h))
+ case "startContainer":
+ config.Hooks.StartContainer = append(config.Hooks.StartContainer, toOCIHook(h))
+ case "poststart":
+ config.Hooks.Poststart = append(config.Hooks.Poststart, toOCIHook(h))
+ case "poststop":
+ config.Hooks.Poststop = append(config.Hooks.Poststop, toOCIHook(h))
+ default:
+ fmt.Printf("CDI: Unknown hook %q\n", h.HookName)
+ }
+ }
+
+ return nil
+}
+
+func toOCIHook(h *Hook) spec.Hook {
+ return spec.Hook{
+ Path: h.Path,
+ Args: h.Args,
+ Env: h.Env,
+ Timeout: h.Timeout,
+ }
+}
+
+func toOCIMount(m *Mount) spec.Mount {
+ return spec.Mount{
+ Source: m.HostPath,
+ Destination: m.ContainerPath,
+ Options: m.Options,
+ }
+}
+
+func toOCIDevice(d *DeviceNode) spec.Mount {
+ return spec.Mount{
+ Source: d.HostPath,
+ Destination: d.ContainerPath,
+ Options: d.Permissions,
+ }
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 51d4f53ca..e9e252675 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -49,6 +49,9 @@ github.com/checkpoint-restore/go-criu
github.com/checkpoint-restore/go-criu/rpc
# github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
github.com/chzyer/readline
+# github.com/container-orchestrated-devices/container-device-interface v0.0.0-20210325223243-f99e8b6c10b9
+github.com/container-orchestrated-devices/container-device-interface/pkg
+github.com/container-orchestrated-devices/container-device-interface/specs-go
# github.com/containerd/cgroups v0.0.0-20210114181951-8a68de567b68
github.com/containerd/cgroups/stats/v1
# github.com/containerd/containerd v1.5.0-beta.4