runc/libcontainer/specconv/spec_linux_test.go

913 lines
22 KiB
Go

package specconv
import (
"os"
"strings"
"testing"
dbus "github.com/godbus/dbus/v5"
"github.com/opencontainers/runc/libcontainer/configs"
"github.com/opencontainers/runc/libcontainer/configs/validate"
"github.com/opencontainers/runc/libcontainer/devices"
"github.com/opencontainers/runtime-spec/specs-go"
"golang.org/x/sys/unix"
)
func TestCreateCommandHookTimeout(t *testing.T) {
timeout := 3600
hook := specs.Hook{
Path: "/some/hook/path",
Args: []string{"--some", "thing"},
Env: []string{"SOME=value"},
Timeout: &timeout,
}
command := createCommandHook(hook)
timeoutStr := command.Timeout.String()
if timeoutStr != "1h0m0s" {
t.Errorf("Expected the Timeout to be 1h0m0s, got: %s", timeoutStr)
}
}
func TestCreateHooks(t *testing.T) {
rspec := &specs.Spec{
Hooks: &specs.Hooks{
Prestart: []specs.Hook{
{
Path: "/some/hook/path",
},
{
Path: "/some/hook2/path",
Args: []string{"--some", "thing"},
},
},
CreateRuntime: []specs.Hook{
{
Path: "/some/hook/path",
},
{
Path: "/some/hook2/path",
Args: []string{"--some", "thing"},
},
},
CreateContainer: []specs.Hook{
{
Path: "/some/hook/path",
},
{
Path: "/some/hook2/path",
Args: []string{"--some", "thing"},
},
},
StartContainer: []specs.Hook{
{
Path: "/some/hook/path",
},
{
Path: "/some/hook2/path",
Args: []string{"--some", "thing"},
},
},
Poststart: []specs.Hook{
{
Path: "/some/hook/path",
Args: []string{"--some", "thing"},
Env: []string{"SOME=value"},
},
{
Path: "/some/hook2/path",
},
{
Path: "/some/hook3/path",
},
},
Poststop: []specs.Hook{
{
Path: "/some/hook/path",
Args: []string{"--some", "thing"},
Env: []string{"SOME=value"},
},
{
Path: "/some/hook2/path",
},
{
Path: "/some/hook3/path",
},
{
Path: "/some/hook4/path",
Args: []string{"--some", "thing"},
},
},
},
}
conf := &configs.Config{}
createHooks(rspec, conf)
prestart := conf.Hooks[configs.Prestart]
if len(prestart) != 2 {
t.Error("Expected 2 Prestart hooks")
}
createRuntime := conf.Hooks[configs.CreateRuntime]
if len(createRuntime) != 2 {
t.Error("Expected 2 createRuntime hooks")
}
createContainer := conf.Hooks[configs.CreateContainer]
if len(createContainer) != 2 {
t.Error("Expected 2 createContainer hooks")
}
startContainer := conf.Hooks[configs.StartContainer]
if len(startContainer) != 2 {
t.Error("Expected 2 startContainer hooks")
}
poststart := conf.Hooks[configs.Poststart]
if len(poststart) != 3 {
t.Error("Expected 3 Poststart hooks")
}
poststop := conf.Hooks[configs.Poststop]
if len(poststop) != 4 {
t.Error("Expected 4 Poststop hooks")
}
}
func TestSetupSeccompNil(t *testing.T) {
seccomp, err := SetupSeccomp(nil)
if err != nil {
t.Error("Expected error to be nil")
}
if seccomp != nil {
t.Error("Expected seccomp to be nil")
}
}
func TestSetupSeccompEmpty(t *testing.T) {
conf := &specs.LinuxSeccomp{}
seccomp, err := SetupSeccomp(conf)
if err != nil {
t.Error("Expected error to be nil")
}
if seccomp != nil {
t.Error("Expected seccomp to be nil")
}
}
// TestSetupSeccompWrongAction tests that a wrong action triggers an error
func TestSetupSeccompWrongAction(t *testing.T) {
conf := &specs.LinuxSeccomp{
DefaultAction: "SCMP_ACT_NON_EXIXTENT_ACTION",
}
_, err := SetupSeccomp(conf)
if err == nil {
t.Error("Expected error")
}
}
// TestSetupSeccompWrongArchitecture tests that a wrong architecture triggers an error
func TestSetupSeccompWrongArchitecture(t *testing.T) {
conf := &specs.LinuxSeccomp{
DefaultAction: "SCMP_ACT_ALLOW",
Architectures: []specs.Arch{"SCMP_ARCH_NON_EXISTENT_ARCH"},
}
_, err := SetupSeccomp(conf)
if err == nil {
t.Error("Expected error")
}
}
func TestSetupSeccomp(t *testing.T) {
errnoRet := uint(55)
conf := &specs.LinuxSeccomp{
DefaultAction: "SCMP_ACT_ERRNO",
Architectures: []specs.Arch{specs.ArchX86_64, specs.ArchARM},
ListenerPath: "/var/run/mysocket",
ListenerMetadata: "mymetadatastring",
Syscalls: []specs.LinuxSyscall{
{
Names: []string{"clone"},
Action: "SCMP_ACT_ALLOW",
Args: []specs.LinuxSeccompArg{
{
Index: 0,
Value: unix.CLONE_NEWNS | unix.CLONE_NEWUTS | unix.CLONE_NEWIPC | unix.CLONE_NEWUSER | unix.CLONE_NEWPID | unix.CLONE_NEWNET | unix.CLONE_NEWCGROUP,
ValueTwo: 0,
Op: "SCMP_CMP_MASKED_EQ",
},
},
},
{
Names: []string{"semctl"},
Action: "SCMP_ACT_KILL",
},
{
Names: []string{"semget"},
Action: "SCMP_ACT_ERRNO",
},
{
Names: []string{"send"},
Action: "SCMP_ACT_ERRNO",
ErrnoRet: &errnoRet,
},
{
Names: []string{"lchown"},
Action: "SCMP_ACT_TRAP",
},
{
Names: []string{"lremovexattr"},
Action: "SCMP_ACT_TRACE",
},
{
Names: []string{"mbind"},
Action: "SCMP_ACT_LOG",
},
{
Names: []string{"mknod"},
Action: "SCMP_ACT_NOTIFY",
},
},
}
seccomp, err := SetupSeccomp(conf)
if err != nil {
t.Errorf("Couldn't create Seccomp config: %v", err)
}
if seccomp.DefaultAction != configs.Errno {
t.Error("Wrong conversion for DefaultAction")
}
if len(seccomp.Architectures) != 2 {
t.Error("Wrong number of architectures")
}
if seccomp.Architectures[0] != "amd64" || seccomp.Architectures[1] != "arm" {
t.Error("Expected architectures are not found")
}
if seccomp.ListenerPath != "/var/run/mysocket" {
t.Error("Expected ListenerPath is wrong")
}
if seccomp.ListenerMetadata != "mymetadatastring" {
t.Error("Expected ListenerMetadata is wrong")
}
calls := seccomp.Syscalls
callsLength := len(calls)
if callsLength != 8 {
t.Errorf("Expected 8 syscalls, got :%d", callsLength)
}
for _, call := range calls {
switch call.Name {
case "clone":
if call.Action != configs.Allow {
t.Error("Wrong conversion for the clone syscall action")
}
expectedCloneSyscallArgs := configs.Arg{
Index: 0,
Op: configs.MaskEqualTo,
Value: unix.CLONE_NEWNS | unix.CLONE_NEWUTS | unix.CLONE_NEWIPC | unix.CLONE_NEWUSER | unix.CLONE_NEWPID | unix.CLONE_NEWNET | unix.CLONE_NEWCGROUP,
ValueTwo: 0,
}
if expectedCloneSyscallArgs != *call.Args[0] {
t.Errorf("Wrong arguments conversion for the clone syscall under test")
}
case "semctl":
if call.Action != configs.Kill {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
case "semget":
if call.Action != configs.Errno {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
if call.ErrnoRet != nil {
t.Errorf("Wrong error ret for the %s syscall", call.Name)
}
case "send":
if call.Action != configs.Errno {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
if *call.ErrnoRet != errnoRet {
t.Errorf("Wrong error ret for the %s syscall", call.Name)
}
case "lchown":
if call.Action != configs.Trap {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
case "lremovexattr":
if call.Action != configs.Trace {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
case "mbind":
if call.Action != configs.Log {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
case "mknod":
if call.Action != configs.Notify {
t.Errorf("Wrong conversion for the %s syscall action", call.Name)
}
default:
t.Errorf("Unexpected syscall %s found", call.Name)
}
}
}
func TestLinuxCgroupWithMemoryResource(t *testing.T) {
cgroupsPath := "/user/cgroups/path/id"
spec := &specs.Spec{}
devices := []specs.LinuxDeviceCgroup{
{
Allow: false,
Access: "rwm",
},
}
limit := int64(100)
reservation := int64(50)
swap := int64(20)
kernel := int64(40)
kernelTCP := int64(45)
swappiness := uint64(1)
swappinessPtr := &swappiness
disableOOMKiller := true
resources := &specs.LinuxResources{
Devices: devices,
Memory: &specs.LinuxMemory{
Limit: &limit,
Reservation: &reservation,
Swap: &swap,
Kernel: &kernel,
KernelTCP: &kernelTCP,
Swappiness: swappinessPtr,
DisableOOMKiller: &disableOOMKiller,
},
}
spec.Linux = &specs.Linux{
CgroupsPath: cgroupsPath,
Resources: resources,
}
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: false,
Spec: spec,
}
cgroup, err := CreateCgroupConfig(opts, nil)
if err != nil {
t.Errorf("Couldn't create Cgroup config: %v", err)
}
if cgroup.Path != cgroupsPath {
t.Errorf("Wrong cgroupsPath, expected '%s' got '%s'", cgroupsPath, cgroup.Path)
}
if cgroup.Resources.Memory != limit {
t.Errorf("Expected to have %d as memory limit, got %d", limit, cgroup.Resources.Memory)
}
if cgroup.Resources.MemoryReservation != reservation {
t.Errorf("Expected to have %d as memory reservation, got %d", reservation, cgroup.Resources.MemoryReservation)
}
if cgroup.Resources.MemorySwap != swap {
t.Errorf("Expected to have %d as swap, got %d", swap, cgroup.Resources.MemorySwap)
}
if cgroup.Resources.MemorySwappiness != swappinessPtr {
t.Errorf("Expected to have %d as memory swappiness, got %d", swappinessPtr, cgroup.Resources.MemorySwappiness)
}
if cgroup.Resources.OomKillDisable != disableOOMKiller {
t.Errorf("The OOMKiller should be enabled")
}
}
func TestLinuxCgroupSystemd(t *testing.T) {
cgroupsPath := "parent:scopeprefix:name"
spec := &specs.Spec{}
spec.Linux = &specs.Linux{
CgroupsPath: cgroupsPath,
}
opts := &CreateOpts{
UseSystemdCgroup: true,
Spec: spec,
}
cgroup, err := CreateCgroupConfig(opts, nil)
if err != nil {
t.Errorf("Couldn't create Cgroup config: %v", err)
}
expectedParent := "parent"
if cgroup.Parent != expectedParent {
t.Errorf("Expected to have %s as Parent instead of %s", expectedParent, cgroup.Parent)
}
expectedScopePrefix := "scopeprefix"
if cgroup.ScopePrefix != expectedScopePrefix {
t.Errorf("Expected to have %s as ScopePrefix instead of %s", expectedScopePrefix, cgroup.ScopePrefix)
}
expectedName := "name"
if cgroup.Name != expectedName {
t.Errorf("Expected to have %s as Name instead of %s", expectedName, cgroup.Name)
}
}
func TestLinuxCgroupSystemdWithEmptyPath(t *testing.T) {
cgroupsPath := ""
spec := &specs.Spec{}
spec.Linux = &specs.Linux{
CgroupsPath: cgroupsPath,
}
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: true,
Spec: spec,
}
cgroup, err := CreateCgroupConfig(opts, nil)
if err != nil {
t.Errorf("Couldn't create Cgroup config: %v", err)
}
expectedParent := ""
if cgroup.Parent != expectedParent {
t.Errorf("Expected to have %s as Parent instead of %s", expectedParent, cgroup.Parent)
}
expectedScopePrefix := "runc"
if cgroup.ScopePrefix != expectedScopePrefix {
t.Errorf("Expected to have %s as ScopePrefix instead of %s", expectedScopePrefix, cgroup.ScopePrefix)
}
if cgroup.Name != opts.CgroupName {
t.Errorf("Expected to have %s as Name instead of %s", opts.CgroupName, cgroup.Name)
}
}
func TestLinuxCgroupSystemdWithInvalidPath(t *testing.T) {
cgroupsPath := "/user/cgroups/path/id"
spec := &specs.Spec{}
spec.Linux = &specs.Linux{
CgroupsPath: cgroupsPath,
}
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: true,
Spec: spec,
}
_, err := CreateCgroupConfig(opts, nil)
if err == nil {
t.Error("Expected to produce an error if not using the correct format for cgroup paths belonging to systemd")
}
}
func TestLinuxCgroupsPathSpecified(t *testing.T) {
cgroupsPath := "/user/cgroups/path/id"
spec := &specs.Spec{}
spec.Linux = &specs.Linux{
CgroupsPath: cgroupsPath,
}
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: false,
Spec: spec,
}
cgroup, err := CreateCgroupConfig(opts, nil)
if err != nil {
t.Errorf("Couldn't create Cgroup config: %v", err)
}
if cgroup.Path != cgroupsPath {
t.Errorf("Wrong cgroupsPath, expected '%s' got '%s'", cgroupsPath, cgroup.Path)
}
}
func TestLinuxCgroupsPathNotSpecified(t *testing.T) {
spec := &specs.Spec{}
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: false,
Spec: spec,
}
cgroup, err := CreateCgroupConfig(opts, nil)
if err != nil {
t.Errorf("Couldn't create Cgroup config: %v", err)
}
if cgroup.Path != "" {
t.Errorf("Wrong cgroupsPath, expected it to be empty string, got '%s'", cgroup.Path)
}
}
func TestSpecconvExampleValidate(t *testing.T) {
spec := Example()
spec.Root.Path = "/"
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: false,
Spec: spec,
}
config, err := CreateLibcontainerConfig(opts)
if err != nil {
t.Errorf("Couldn't create libcontainer config: %v", err)
}
if config.NoNewPrivileges != spec.Process.NoNewPrivileges {
t.Errorf("specconv NoNewPrivileges mismatch. Expected %v got %v",
spec.Process.NoNewPrivileges, config.NoNewPrivileges)
}
validator := validate.New()
if err := validator.Validate(config); err != nil {
t.Errorf("Expected specconv to produce valid container config: %v", err)
}
}
func TestSpecconvNoLinuxSection(t *testing.T) {
spec := Example()
spec.Root.Path = "/"
spec.Linux = nil
spec.Hostname = ""
opts := &CreateOpts{
CgroupName: "ContainerID",
Spec: spec,
}
config, err := CreateLibcontainerConfig(opts)
if err != nil {
t.Errorf("Couldn't create libcontainer config: %v", err)
}
validator := validate.New()
if err := validator.Validate(config); err != nil {
t.Errorf("Expected specconv to produce valid container config: %v", err)
}
}
func TestDupNamespaces(t *testing.T) {
spec := &specs.Spec{
Root: &specs.Root{
Path: "rootfs",
},
Linux: &specs.Linux{
Namespaces: []specs.LinuxNamespace{
{
Type: "pid",
},
{
Type: "pid",
Path: "/proc/1/ns/pid",
},
},
},
}
_, err := CreateLibcontainerConfig(&CreateOpts{
Spec: spec,
})
if !strings.Contains(err.Error(), "malformed spec file: duplicated ns") {
t.Errorf("Duplicated namespaces should be forbidden")
}
}
func TestNonZeroEUIDCompatibleSpecconvValidate(t *testing.T) {
if _, err := os.Stat("/proc/self/ns/user"); os.IsNotExist(err) {
t.Skip("Test requires userns.")
}
spec := Example()
spec.Root.Path = "/"
ToRootless(spec)
opts := &CreateOpts{
CgroupName: "ContainerID",
UseSystemdCgroup: false,
Spec: spec,
RootlessEUID: true,
RootlessCgroups: true,
}
config, err := CreateLibcontainerConfig(opts)
if err != nil {
t.Errorf("Couldn't create libcontainer config: %v", err)
}
validator := validate.New()
if err := validator.Validate(config); err != nil {
t.Errorf("Expected specconv to produce valid rootless container config: %v", err)
}
}
func TestInitSystemdProps(t *testing.T) {
type inT struct {
name, value string
}
type expT struct {
isErr bool
name string
value interface{}
}
testCases := []struct {
desc string
in inT
exp expT
}{
{
in: inT{"org.systemd.property.TimeoutStopUSec", "uint64 123456789"},
exp: expT{false, "TimeoutStopUSec", uint64(123456789)},
},
{
desc: "convert USec to Sec (default numeric type)",
in: inT{"org.systemd.property.TimeoutStopSec", "456"},
exp: expT{false, "TimeoutStopUSec", uint64(456000000)},
},
{
desc: "convert USec to Sec (byte)",
in: inT{"org.systemd.property.TimeoutStopSec", "byte 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (int16)",
in: inT{"org.systemd.property.TimeoutStopSec", "int16 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (uint16)",
in: inT{"org.systemd.property.TimeoutStopSec", "uint16 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (int32)",
in: inT{"org.systemd.property.TimeoutStopSec", "int32 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (uint32)",
in: inT{"org.systemd.property.TimeoutStopSec", "uint32 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (int64)",
in: inT{"org.systemd.property.TimeoutStopSec", "int64 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (uint64)",
in: inT{"org.systemd.property.TimeoutStopSec", "uint64 234"},
exp: expT{false, "TimeoutStopUSec", uint64(234000000)},
},
{
desc: "convert USec to Sec (float)",
in: inT{"org.systemd.property.TimeoutStopSec", "234.789"},
exp: expT{false, "TimeoutStopUSec", uint64(234789000)},
},
{
desc: "convert USec to Sec (bool -- invalid value)",
in: inT{"org.systemd.property.TimeoutStopSec", "false"},
exp: expT{true, "", ""},
},
{
desc: "convert USec to Sec (string -- invalid value)",
in: inT{"org.systemd.property.TimeoutStopSec", "'covfefe'"},
exp: expT{true, "", ""},
},
{
desc: "convert USec to Sec (bad variable name, no conversion)",
in: inT{"org.systemd.property.FOOSec", "123"},
exp: expT{false, "FOOSec", 123},
},
{
in: inT{"org.systemd.property.CollectMode", "'inactive-or-failed'"},
exp: expT{false, "CollectMode", "inactive-or-failed"},
},
{
desc: "unrelated property",
in: inT{"some.other.annotation", "0"},
exp: expT{false, "", ""},
},
{
desc: "too short property name",
in: inT{"org.systemd.property.Xo", "1"},
exp: expT{true, "", ""},
},
{
desc: "invalid character in property name",
in: inT{"org.systemd.property.Number1", "1"},
exp: expT{true, "", ""},
},
{
desc: "invalid property value",
in: inT{"org.systemd.property.ValidName", "invalid-value"},
exp: expT{true, "", ""},
},
}
spec := &specs.Spec{}
for _, tc := range testCases {
tc := tc
spec.Annotations = map[string]string{tc.in.name: tc.in.value}
outMap, err := initSystemdProps(spec)
// t.Logf("input %+v, expected %+v, got err:%v out:%+v", tc.in, tc.exp, err, outMap)
if tc.exp.isErr != (err != nil) {
t.Errorf("input %+v, expecting error: %v, got %v", tc.in, tc.exp.isErr, err)
}
expLen := 1 // expect a single item
if tc.exp.name == "" {
expLen = 0 // expect nothing
}
if len(outMap) != expLen {
t.Fatalf("input %+v, expected %d, got %d entries: %v", tc.in, expLen, len(outMap), outMap)
}
if expLen == 0 {
continue
}
out := outMap[0]
if tc.exp.name != out.Name {
t.Errorf("input %+v, expecting name: %q, got %q", tc.in, tc.exp.name, out.Name)
}
expValue := dbus.MakeVariant(tc.exp.value).String()
if expValue != out.Value.String() {
t.Errorf("input %+v, expecting value: %s, got %s", tc.in, expValue, out.Value)
}
}
}
func TestIsValidName(t *testing.T) {
testCases := []struct {
in string
valid bool
}{
{"", false}, // too short
{"xx", false}, // too short
{"xxx", true},
{"someValidName", true},
{"A name", false}, // space
{"3335", false}, // numbers
{"Name1", false}, // numbers
{"Кир", false}, // non-ascii
{"მადლობა", false}, // non-ascii
{"合い言葉", false}, // non-ascii
}
for _, tc := range testCases {
err := checkPropertyName(tc.in)
if (err == nil) != tc.valid {
t.Errorf("case %q: expected valid: %v, got error: %v", tc.in, tc.valid, err)
}
}
}
func BenchmarkIsValidName(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, s := range []string{"", "xx", "xxx", "someValidName", "A name", "Кир", "მადლობა", "合い言葉"} {
_ = checkPropertyName(s)
}
}
}
func TestNullProcess(t *testing.T) {
spec := Example()
spec.Process = nil
_, err := CreateLibcontainerConfig(&CreateOpts{
Spec: spec,
})
if err != nil {
t.Errorf("Null process should be forbidden")
}
}
func TestCreateDevices(t *testing.T) {
spec := Example()
// dummy uid/gid for /dev/tty; will enable the test to check if createDevices()
// preferred the spec's device over the redundant default device
ttyUid := uint32(1000)
ttyGid := uint32(1000)
fm := os.FileMode(0o666)
spec.Linux = &specs.Linux{
Devices: []specs.LinuxDevice{
{
// This is purposely redundant with one of runc's default devices
Path: "/dev/tty",
Type: "c",
Major: 5,
Minor: 0,
FileMode: &fm,
UID: &ttyUid,
GID: &ttyGid,
},
{
// This is purposely not redundant with one of runc's default devices
Path: "/dev/ram0",
Type: "b",
Major: 1,
Minor: 0,
},
},
}
conf := &configs.Config{}
defaultDevs, err := createDevices(spec, conf)
if err != nil {
t.Errorf("failed to create devices: %v", err)
}
// Verify the returned default devices has the /dev/tty entry deduplicated
found := false
for _, d := range defaultDevs {
if d.Path == "/dev/tty" {
if found {
t.Errorf("createDevices failed: returned a duplicated device entry: %v", defaultDevs)
}
found = true
}
}
// Verify that createDevices() placed all default devices in the config
for _, allowedDev := range AllowedDevices {
if allowedDev.Path == "" {
continue
}
found := false
for _, configDev := range conf.Devices {
if configDev.Path == allowedDev.Path {
found = true
}
}
if !found {
configDevPaths := []string{}
for _, configDev := range conf.Devices {
configDevPaths = append(configDevPaths, configDev.Path)
}
t.Errorf("allowedDevice %s was not found in the config's devices: %v", allowedDev.Path, configDevPaths)
}
}
// Verify that createDevices() deduplicated the /dev/tty entry in the config
for _, configDev := range conf.Devices {
if configDev.Path == "/dev/tty" {
wantDev := &devices.Device{
Path: "/dev/tty",
FileMode: 0o666,
Uid: 1000,
Gid: 1000,
Rule: devices.Rule{
Type: devices.CharDevice,
Major: 5,
Minor: 0,
},
}
if *configDev != *wantDev {
t.Errorf("redundant dev was not deduplicated correctly: want %v, got %v", wantDev, configDev)
}
}
}
// Verify that createDevices() added the entry for /dev/ram0 in the config
found = false
for _, configDev := range conf.Devices {
if configDev.Path == "/dev/ram0" {
found = true
break
}
}
if !found {
t.Errorf("device /dev/ram0 not found in config devices; got %v", conf.Devices)
}
}