/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/cgroups/fs/devices_test.go is in golang-github-opencontainers-runc-dev 0.0.8+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | // +build linux
package fs
import (
"testing"
"github.com/opencontainers/runc/libcontainer/configs"
)
var (
allowedDevices = []*configs.Device{
{
Path: "/dev/zero",
Type: 'c',
Major: 1,
Minor: 5,
Permissions: "rwm",
FileMode: 0666,
},
}
allowedList = "c 1:5 rwm"
deniedDevices = []*configs.Device{
{
Path: "/dev/null",
Type: 'c',
Major: 1,
Minor: 3,
Permissions: "rwm",
FileMode: 0666,
},
}
deniedList = "c 1:3 rwm"
)
func TestDevicesSetAllow(t *testing.T) {
helper := NewCgroupTestUtil("devices", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"devices.deny": "a",
})
helper.CgroupData.config.Resources.AllowAllDevices = false
helper.CgroupData.config.Resources.AllowedDevices = allowedDevices
devices := &DevicesGroup{}
if err := devices.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
t.Fatal(err)
}
value, err := getCgroupParamString(helper.CgroupPath, "devices.allow")
if err != nil {
t.Fatalf("Failed to parse devices.allow - %s", err)
}
if value != allowedList {
t.Fatal("Got the wrong value, set devices.allow failed.")
}
}
func TestDevicesSetDeny(t *testing.T) {
helper := NewCgroupTestUtil("devices", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"devices.allow": "a",
})
helper.CgroupData.config.Resources.AllowAllDevices = true
helper.CgroupData.config.Resources.DeniedDevices = deniedDevices
devices := &DevicesGroup{}
if err := devices.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
t.Fatal(err)
}
value, err := getCgroupParamString(helper.CgroupPath, "devices.deny")
if err != nil {
t.Fatalf("Failed to parse devices.deny - %s", err)
}
if value != deniedList {
t.Fatal("Got the wrong value, set devices.deny failed.")
}
}
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