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mirror of https://github.com/kata-containers/kata-containers.git synced 2025-04-30 12:44:39 +00:00
kata-containers/src/runtime/virtcontainers/hypervisor_test.go
Fabiano Fidêncio fefcf7cfa4 acrn: Drop support
As we don't have any CI, nor maintainer to keep ACRN code around, we
better have it removed than give users the expectation that it should or
would work at some point.

Signed-off-by: Fabiano Fidêncio <fabiano@fidencio.org>
2024-09-19 16:05:43 +02:00

643 lines
14 KiB
Go

// Copyright (c) 2016 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package virtcontainers
import (
"fmt"
"os"
"strings"
"testing"
"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/types"
"github.com/stretchr/testify/assert"
)
func TestGetKernelRootParams(t *testing.T) {
assert := assert.New(t)
tests := []struct {
rootfstype string
expected []Param
disableNvdimm bool
dax bool
error bool
}{
// EXT4
{
rootfstype: string(EXT4),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "data=ordered,errors=remount-ro ro"},
{"rootfstype", string(EXT4)},
},
disableNvdimm: false,
dax: false,
error: false,
},
{
rootfstype: string(EXT4),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "dax,data=ordered,errors=remount-ro ro"},
{"rootfstype", string(EXT4)},
},
disableNvdimm: false,
dax: true,
error: false,
},
{
rootfstype: string(EXT4),
expected: []Param{
{"root", string(VirtioBlk)},
{"rootflags", "data=ordered,errors=remount-ro ro"},
{"rootfstype", string(EXT4)},
},
disableNvdimm: true,
dax: false,
error: false,
},
// XFS
{
rootfstype: string(XFS),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "data=ordered,errors=remount-ro ro"},
{"rootfstype", string(XFS)},
},
disableNvdimm: false,
dax: false,
error: false,
},
{
rootfstype: string(XFS),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "dax,data=ordered,errors=remount-ro ro"},
{"rootfstype", string(XFS)},
},
disableNvdimm: false,
dax: true,
error: false,
},
{
rootfstype: string(XFS),
expected: []Param{
{"root", string(VirtioBlk)},
{"rootflags", "data=ordered,errors=remount-ro ro"},
{"rootfstype", string(XFS)},
},
disableNvdimm: true,
dax: false,
error: false,
},
// EROFS
{
rootfstype: string(EROFS),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "ro"},
{"rootfstype", string(EROFS)},
},
disableNvdimm: false,
dax: false,
error: false,
},
{
rootfstype: string(EROFS),
expected: []Param{
{"root", string(Nvdimm)},
{"rootflags", "dax ro"},
{"rootfstype", string(EROFS)},
},
disableNvdimm: false,
dax: true,
error: false,
},
{
rootfstype: string(EROFS),
expected: []Param{
{"root", string(VirtioBlk)},
{"rootflags", "ro"},
{"rootfstype", string(EROFS)},
},
disableNvdimm: true,
dax: false,
error: false,
},
// Unsupported rootfs type
{
rootfstype: "foo",
expected: []Param{
{"root", string(VirtioBlk)},
{"rootflags", "data=ordered,errors=remount-ro ro"},
{"rootfstype", string(EXT4)},
},
disableNvdimm: false,
dax: false,
error: true,
},
// Nvdimm does not support DAX
{
rootfstype: string(EXT4),
expected: []Param{
{"root", string(VirtioBlk)},
{"rootflags", "dax,data=ordered,errors=remount-ro ro"},
{"rootfstype", string(EXT4)},
},
disableNvdimm: true,
dax: true,
error: true,
},
}
for _, t := range tests {
kernelRootParams, err := GetKernelRootParams(t.rootfstype, t.disableNvdimm, t.dax)
if t.error {
assert.Error(err)
continue
} else {
assert.NoError(err)
}
assert.Equal(t.expected, kernelRootParams,
"Invalid parameters rootfstype: %v, disableNvdimm: %v, dax: %v, "+
"unable to get kernel root params", t.rootfstype, t.disableNvdimm, t.dax)
}
}
func testSetHypervisorType(t *testing.T, value string, expected HypervisorType) {
var hypervisorType HypervisorType
assert := assert.New(t)
err := (&hypervisorType).Set(value)
assert.NoError(err)
assert.Equal(hypervisorType, expected)
}
func TestSetQemuHypervisorType(t *testing.T) {
testSetHypervisorType(t, "qemu", QemuHypervisor)
}
func TestSetMockHypervisorType(t *testing.T) {
testSetHypervisorType(t, "mock", MockHypervisor)
}
func TestSetRemoteHypervisorType(t *testing.T) {
testSetHypervisorType(t, "remote", RemoteHypervisor)
}
func TestSetUnknownHypervisorType(t *testing.T) {
var hypervisorType HypervisorType
assert := assert.New(t)
err := (&hypervisorType).Set("unknown")
assert.Error(err)
assert.NotEqual(hypervisorType, QemuHypervisor)
assert.NotEqual(hypervisorType, MockHypervisor)
}
func testStringFromHypervisorType(t *testing.T, hypervisorType HypervisorType, expected string) {
hypervisorTypeStr := (&hypervisorType).String()
assert := assert.New(t)
assert.Equal(hypervisorTypeStr, expected)
}
func TestStringFromQemuHypervisorType(t *testing.T) {
hypervisorType := QemuHypervisor
testStringFromHypervisorType(t, hypervisorType, "qemu")
}
func TestStringFromRemoteHypervisorType(t *testing.T) {
hypervisorType := RemoteHypervisor
testStringFromHypervisorType(t, hypervisorType, "remote")
}
func TestStringFromMockHypervisorType(t *testing.T) {
hypervisorType := MockHypervisor
testStringFromHypervisorType(t, hypervisorType, "mock")
}
func TestStringFromUnknownHypervisorType(t *testing.T) {
var hypervisorType HypervisorType
testStringFromHypervisorType(t, hypervisorType, "")
}
func testNewHypervisorFromHypervisorType(t *testing.T, hypervisorType HypervisorType, expected Hypervisor) {
assert := assert.New(t)
hy, err := NewHypervisor(hypervisorType)
assert.NoError(err)
assert.Exactly(hy, expected)
}
func TestNewHypervisorFromRemoteHypervisorType(t *testing.T) {
hypervisorType := RemoteHypervisor
expectedHypervisor := &remoteHypervisor{}
testNewHypervisorFromHypervisorType(t, hypervisorType, expectedHypervisor)
}
func TestNewHypervisorFromMockHypervisorType(t *testing.T) {
hypervisorType := MockHypervisor
expectedHypervisor := &mockHypervisor{}
testNewHypervisorFromHypervisorType(t, hypervisorType, expectedHypervisor)
}
func TestNewHypervisorFromUnknownHypervisorType(t *testing.T) {
var hypervisorType HypervisorType
assert := assert.New(t)
hy, err := NewHypervisor(hypervisorType)
assert.Error(err)
assert.Nil(hy)
}
func TestAppendParams(t *testing.T) {
assert := assert.New(t)
paramList := []Param{
{
Key: "param1",
Value: "value1",
},
}
expectedParams := []Param{
{
Key: "param1",
Value: "value1",
},
{
Key: "param2",
Value: "value2",
},
}
paramList = appendParam(paramList, "param2", "value2")
assert.Exactly(paramList, expectedParams)
}
func testSerializeParams(t *testing.T, params []Param, delim string, expected []string) {
assert := assert.New(t)
result := SerializeParams(params, delim)
assert.Exactly(result, expected)
}
func TestSerializeParamsNoParamNoValue(t *testing.T) {
params := []Param{
{
Key: "",
Value: "",
},
}
var expected []string
testSerializeParams(t, params, "", expected)
}
func TestSerializeParamsNoParam(t *testing.T) {
params := []Param{
{
Value: "value1",
},
}
expected := []string{"value1"}
testSerializeParams(t, params, "", expected)
}
func TestSerializeParamsNoValue(t *testing.T) {
params := []Param{
{
Key: "param1",
},
}
expected := []string{"param1"}
testSerializeParams(t, params, "", expected)
}
func TestSerializeParamsNoDelim(t *testing.T) {
params := []Param{
{
Key: "param1",
Value: "value1",
},
}
expected := []string{"param1", "value1"}
testSerializeParams(t, params, "", expected)
}
func TestSerializeParams(t *testing.T) {
params := []Param{
{
Key: "param1",
Value: "value1",
},
}
expected := []string{"param1=value1"}
testSerializeParams(t, params, "=", expected)
}
func testDeserializeParams(t *testing.T, parameters []string, expected []Param) {
assert := assert.New(t)
result := DeserializeParams(parameters)
assert.Exactly(result, expected)
}
func TestDeserializeParamsNil(t *testing.T) {
var parameters []string
var expected []Param
testDeserializeParams(t, parameters, expected)
}
func TestDeserializeParamsNoParamNoValue(t *testing.T) {
parameters := []string{
"",
}
var expected []Param
testDeserializeParams(t, parameters, expected)
}
func TestDeserializeParamsNoValue(t *testing.T) {
parameters := []string{
"param1",
}
expected := []Param{
{
Key: "param1",
},
}
testDeserializeParams(t, parameters, expected)
}
func TestDeserializeParams(t *testing.T) {
parameters := []string{
"param1=value1",
}
expected := []Param{
{
Key: "param1",
Value: "value1",
},
}
testDeserializeParams(t, parameters, expected)
}
func TestAddKernelParamValid(t *testing.T) {
var config HypervisorConfig
assert := assert.New(t)
expected := []Param{
{"foo", "bar"},
}
err := config.AddKernelParam(expected[0])
assert.NoError(err)
assert.Exactly(config.KernelParams, expected)
}
func TestAddKernelParamInvalid(t *testing.T) {
var config HypervisorConfig
assert := assert.New(t)
invalid := []Param{
{"", "bar"},
}
err := config.AddKernelParam(invalid[0])
assert.Error(err)
}
func TestCheckCmdline(t *testing.T) {
assert := assert.New(t)
cmdlineFp, err := os.CreateTemp("", "")
assert.NoError(err)
_, err = cmdlineFp.WriteString("quiet root=/dev/sda2")
assert.NoError(err)
cmdlinePath := cmdlineFp.Name()
defer os.Remove(cmdlinePath)
assert.True(CheckCmdline(cmdlinePath, "quiet", []string{}))
assert.True(CheckCmdline(cmdlinePath, "root", []string{"/dev/sda1", "/dev/sda2"}))
assert.False(CheckCmdline(cmdlinePath, "ro", []string{}))
}
// nolint: unused, deadcode
type testNestedVMMData struct {
content []byte
expectedErr bool
expected bool
}
// nolint: unused, deadcode
func genericTestRunningOnVMM(t *testing.T, data []testNestedVMMData) {
assert := assert.New(t)
for _, d := range data {
f, err := os.CreateTemp("", "cpuinfo")
assert.NoError(err)
defer os.Remove(f.Name())
defer f.Close()
n, err := f.Write(d.content)
assert.NoError(err)
assert.Equal(n, len(d.content))
running, err := RunningOnVMM(f.Name())
if !d.expectedErr && err != nil {
t.Fatalf("This test should succeed: %v", err)
} else if d.expectedErr && err == nil {
t.Fatalf("This test should fail")
}
assert.Equal(running, d.expected)
}
}
func TestAssetPath(t *testing.T) {
assert := assert.New(t)
// Minimal config containing values for all asset annotation options.
// The values are "paths" (start with a slash), but end with the
// annotation name.
cfg := HypervisorConfig{
HypervisorPath: "/" + "io.katacontainers.config.hypervisor.path",
KernelPath: "/" + "io.katacontainers.config.hypervisor.kernel",
ImagePath: "/" + "io.katacontainers.config.hypervisor.image",
InitrdPath: "/" + "io.katacontainers.config.hypervisor.initrd",
FirmwarePath: "/" + "io.katacontainers.config.hypervisor.firmware",
FirmwareVolumePath: "/" + "io.katacontainers.config.hypervisor.firmware_volume",
JailerPath: "/" + "io.katacontainers.config.hypervisor.jailer_path",
}
for _, asset := range types.AssetTypes() {
msg := fmt.Sprintf("asset: %v", asset)
annoPath, annoHash, err := asset.Annotations()
assert.NoError(err, msg)
msg += fmt.Sprintf(", annotation path: %v, annotation hash: %v", annoPath, annoHash)
p, err := cfg.assetPath(asset)
assert.NoError(err, msg)
assert.NotEqual(p, annoPath, msg)
assert.NotEqual(p, annoHash, msg)
expected := fmt.Sprintf("/%s", annoPath)
assert.Equal(expected, p, msg)
}
}
func TestKernelParamFields(t *testing.T) {
assert := assert.New(t)
tests := []struct {
cmdLine string
expectedFieldsResult []string
expectedKernelParamFieldsResult []string
}{
{
cmdLine: "a=b x=y",
expectedFieldsResult: []string{
"a=b",
"x=y",
},
expectedKernelParamFieldsResult: []string{
"a=b",
"x=y",
},
},
{
cmdLine: "a=b x=y foo=bar",
expectedFieldsResult: []string{
"a=b",
"x=y",
"foo=bar",
},
expectedKernelParamFieldsResult: []string{
"a=b",
"x=y",
"foo=bar",
},
},
{
cmdLine: "a x=y foo=bar",
expectedFieldsResult: []string{
"a",
"x=y",
"foo=bar",
},
expectedKernelParamFieldsResult: []string{
"a",
"x=y",
"foo=bar",
},
},
{
cmdLine: "a=b x foo=bar",
expectedFieldsResult: []string{
"a=b",
"x",
"foo=bar",
},
expectedKernelParamFieldsResult: []string{
"a=b",
"x",
"foo=bar",
},
},
{
cmdLine: "a=b x foo ",
expectedFieldsResult: []string{
"a=b",
"x",
"foo",
},
expectedKernelParamFieldsResult: []string{
"a=b",
"x",
"foo",
},
},
{
cmdLine: "a=b x=\"y z\"",
expectedFieldsResult: []string{
"a=b",
"x=\"y",
"z\"",
},
expectedKernelParamFieldsResult: []string{
"a=b",
"x=\"y z\"",
},
},
{
cmdLine: "foo=\"bar baz\"",
expectedFieldsResult: []string{
"foo=\"bar",
"baz\"",
},
expectedKernelParamFieldsResult: []string{
"foo=\"bar baz\"",
},
},
{
cmdLine: "foo=\"bar baz\" abc=\"123\"",
expectedFieldsResult: []string{
"foo=\"bar",
"baz\"",
"abc=\"123\"",
},
expectedKernelParamFieldsResult: []string{
"foo=\"bar baz\"",
"abc=\"123\"",
},
},
{
cmdLine: "\"a=b",
expectedFieldsResult: []string{
"\"a=b",
},
expectedKernelParamFieldsResult: []string{
"\"a=b",
},
},
{
cmdLine: "\"a=b x=y",
expectedFieldsResult: []string{
"\"a=b",
"x=y",
},
expectedKernelParamFieldsResult: []string{
"\"a=b x=y",
},
},
}
for _, t := range tests {
params := strings.Fields(t.cmdLine)
assert.Equal(params, t.expectedFieldsResult, "Unexpected strings.Fields behavior")
params = KernelParamFields(t.cmdLine)
assert.Equal(params, t.expectedKernelParamFieldsResult, "Unexpected KernelParamFields behavior")
}
}