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feat: Add support for compose devices mappings (#250)

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* feat: Add support for compose `devices` mappings

https://docs.docker.com/reference/compose-file/services/#devices
```
services:
  foo:
    devices:
      - "/dev/ttyUSB0:/dev/ttyUSB0"
      - "/dev/sda:/dev/xvda:rwm"
```

* Lint fix
This commit is contained in:
Justin Bradford
2026-02-11 17:00:18 +00:00
committed by GitHub
parent 6e59657fe2
commit ab6f856987
9 changed files with 197 additions and 1 deletions
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pkg/api/service_test.go
+13
View File
@@ -4,6 +4,7 @@ import (
"os"
"testing"
"github.com/docker/docker/api/types/container"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
@@ -231,6 +232,12 @@ func TestContainerSpec_Clone(t *testing.T) {
CPU: 1234,
Memory: 2345,
MemoryReservation: 3456,
DeviceMappings: []container.DeviceMapping{
{PathOnHost: "/dev/sda", PathInContainer: "/dev/xvda", CgroupPermissions: "rwm"},
},
DeviceReservations: []container.DeviceRequest{
{Count: 1, Capabilities: [][]string{{"gpu"}}, Driver: "nvidia"},
},
},
Sysctls: map[string]string{
"net.ipv4.ip_forward": "1",
@@ -263,6 +270,9 @@ func TestContainerSpec_Clone(t *testing.T) {
original.ConfigMounts[0].ContainerPath = stringModified
*original.ConfigMounts[0].Mode = 0o755 // Modify the Mode pointer value
original.Sysctls["net.ipv4.ip_forward"] = stringModified
original.Resources.DeviceMappings[0].PathOnHost = stringModified
original.Resources.DeviceReservations[0].Count = 2
original.Resources.DeviceReservations[0].Driver = stringModified
assert.False(t, original.Equals(cloned))
// Assert cloned values are unchanged
@@ -283,6 +293,9 @@ func TestContainerSpec_Clone(t *testing.T) {
assert.Equal(t, int64(1234), cloned.Resources.CPU)
assert.Equal(t, int64(2345), cloned.Resources.Memory)
assert.Equal(t, int64(3456), cloned.Resources.MemoryReservation)
assert.Equal(t, "/dev/sda", cloned.Resources.DeviceMappings[0].PathOnHost)
assert.Equal(t, 1, cloned.Resources.DeviceReservations[0].Count)
assert.Equal(t, "nvidia", cloned.Resources.DeviceReservations[0].Driver)
assert.Equal(t, "1000:1000", cloned.User)
assert.Equal(t, "/data", cloned.Volumes[0])
assert.Equal(t, "/data", cloned.VolumeMounts[0].ContainerPath)