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sandbox_test.go
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// Copyright (c) 2016 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package virtcontainers
import (
"context"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path"
"path/filepath"
"sync"
"syscall"
"testing"
ktu "github.com/kata-containers/runtime/pkg/katatestutils"
"github.com/kata-containers/runtime/virtcontainers/device/config"
"github.com/kata-containers/runtime/virtcontainers/device/drivers"
"github.com/kata-containers/runtime/virtcontainers/device/manager"
exp "github.com/kata-containers/runtime/virtcontainers/experimental"
"github.com/kata-containers/runtime/virtcontainers/persist/fs"
"github.com/kata-containers/runtime/virtcontainers/pkg/annotations"
"github.com/kata-containers/runtime/virtcontainers/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/stretchr/testify/assert"
"golang.org/x/sys/unix"
)
// dirMode is the permission bits used for creating a directory
const dirMode = os.FileMode(0750) | os.ModeDir
func newHypervisorConfig(kernelParams []Param, hParams []Param) HypervisorConfig {
return HypervisorConfig{
KernelPath: filepath.Join(testDir, testKernel),
ImagePath: filepath.Join(testDir, testImage),
HypervisorPath: filepath.Join(testDir, testHypervisor),
KernelParams: kernelParams,
HypervisorParams: hParams,
}
}
func testCreateSandbox(t *testing.T, id string,
htype HypervisorType, hconfig HypervisorConfig, atype AgentType,
nconfig NetworkConfig, containers []ContainerConfig,
volumes []types.Volume) (*Sandbox, error) {
sconfig := SandboxConfig{
ID: id,
HypervisorType: htype,
HypervisorConfig: hconfig,
AgentType: atype,
NetworkConfig: nconfig,
Volumes: volumes,
Containers: containers,
Annotations: sandboxAnnotations,
}
sandbox, err := createSandbox(context.Background(), sconfig, nil)
if err != nil {
return nil, fmt.Errorf("Could not create sandbox: %s", err)
}
if err := sandbox.agent.startSandbox(sandbox); err != nil {
return nil, err
}
if err := sandbox.createContainers(); err != nil {
return nil, err
}
if sandbox.id == "" {
return sandbox, fmt.Errorf("Invalid empty sandbox ID")
}
if id != "" && sandbox.id != id {
return sandbox, fmt.Errorf("Invalid ID %s vs %s", id, sandbox.id)
}
return sandbox, nil
}
func TestCreateEmptySandbox(t *testing.T) {
_, err := testCreateSandbox(t, testSandboxID, MockHypervisor, HypervisorConfig{}, NoopAgentType, NetworkConfig{}, nil, nil)
assert.Error(t, err)
defer cleanUp()
}
func TestCreateEmptyHypervisorSandbox(t *testing.T) {
_, err := testCreateSandbox(t, testSandboxID, QemuHypervisor, HypervisorConfig{}, NoopAgentType, NetworkConfig{}, nil, nil)
assert.Error(t, err)
defer cleanUp()
}
func TestCreateMockSandbox(t *testing.T) {
hConfig := newHypervisorConfig(nil, nil)
_, err := testCreateSandbox(t, testSandboxID, MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, nil, nil)
assert.NoError(t, err)
defer cleanUp()
}
func TestCalculateSandboxCPUs(t *testing.T) {
sandbox := &Sandbox{}
sandbox.config = &SandboxConfig{}
unconstrained := newTestContainerConfigNoop("cont-00001")
constrained := newTestContainerConfigNoop("cont-00001")
quota := int64(4000)
period := uint64(1000)
constrained.Resources.CPU = &specs.LinuxCPU{Period: &period, Quota: "a}
tests := []struct {
name string
containers []ContainerConfig
want uint32
}{
{"1-unconstrained", []ContainerConfig{unconstrained}, 0},
{"2-unconstrained", []ContainerConfig{unconstrained, unconstrained}, 0},
{"1-constrained", []ContainerConfig{constrained}, 4},
{"2-constrained", []ContainerConfig{constrained, constrained}, 8},
{"3-mix-constraints", []ContainerConfig{unconstrained, constrained, constrained}, 8},
{"3-constrained", []ContainerConfig{constrained, constrained, constrained}, 12},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
sandbox.config.Containers = tt.containers
got := sandbox.calculateSandboxCPUs()
assert.Equal(t, got, tt.want)
})
}
}
func TestCalculateSandboxMem(t *testing.T) {
sandbox := &Sandbox{}
sandbox.config = &SandboxConfig{}
unconstrained := newTestContainerConfigNoop("cont-00001")
constrained := newTestContainerConfigNoop("cont-00001")
limit := int64(4000)
constrained.Resources.Memory = &specs.LinuxMemory{Limit: &limit}
tests := []struct {
name string
containers []ContainerConfig
want int64
}{
{"1-unconstrained", []ContainerConfig{unconstrained}, 0},
{"2-unconstrained", []ContainerConfig{unconstrained, unconstrained}, 0},
{"1-constrained", []ContainerConfig{constrained}, limit},
{"2-constrained", []ContainerConfig{constrained, constrained}, limit * 2},
{"3-mix-constraints", []ContainerConfig{unconstrained, constrained, constrained}, limit * 2},
{"3-constrained", []ContainerConfig{constrained, constrained, constrained}, limit * 3},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
sandbox.config.Containers = tt.containers
got := sandbox.calculateSandboxMemory()
assert.Equal(t, got, tt.want)
})
}
}
func TestCreateSandboxEmptyID(t *testing.T) {
hConfig := newHypervisorConfig(nil, nil)
_, err := testCreateSandbox(t, "", MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, nil, nil)
assert.Error(t, err)
defer cleanUp()
}
func testSandboxStateTransition(t *testing.T, state types.StateString, newState types.StateString) error {
hConfig := newHypervisorConfig(nil, nil)
p, err := testCreateSandbox(t, testSandboxID, MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, nil, nil)
assert.NoError(t, err)
defer cleanUp()
p.state = types.SandboxState{
State: state,
}
return p.state.ValidTransition(state, newState)
}
func TestSandboxStateReadyRunning(t *testing.T) {
err := testSandboxStateTransition(t, types.StateReady, types.StateRunning)
assert.NoError(t, err)
}
func TestSandboxStateRunningPaused(t *testing.T) {
err := testSandboxStateTransition(t, types.StateRunning, types.StatePaused)
assert.NoError(t, err)
}
func TestSandboxStatePausedRunning(t *testing.T) {
err := testSandboxStateTransition(t, types.StatePaused, types.StateRunning)
assert.NoError(t, err)
}
func TestSandboxStatePausedStopped(t *testing.T) {
err := testSandboxStateTransition(t, types.StatePaused, types.StateStopped)
assert.NoError(t, err)
}
func TestSandboxStateRunningStopped(t *testing.T) {
err := testSandboxStateTransition(t, types.StateRunning, types.StateStopped)
assert.NoError(t, err)
}
func TestSandboxStateReadyPaused(t *testing.T) {
err := testSandboxStateTransition(t, types.StateReady, types.StateStopped)
assert.NoError(t, err)
}
func TestSandboxStatePausedReady(t *testing.T) {
err := testSandboxStateTransition(t, types.StateStopped, types.StateReady)
assert.Error(t, err)
}
func testStateValid(t *testing.T, stateStr types.StateString, expected bool) {
state := &types.SandboxState{
State: stateStr,
}
ok := state.Valid()
assert.Equal(t, ok, expected)
}
func TestStateValidSuccessful(t *testing.T) {
testStateValid(t, types.StateReady, true)
testStateValid(t, types.StateRunning, true)
testStateValid(t, types.StatePaused, true)
testStateValid(t, types.StateStopped, true)
}
func TestStateValidFailing(t *testing.T) {
testStateValid(t, "", false)
}
func TestValidTransitionFailingOldStateMismatch(t *testing.T) {
state := &types.SandboxState{
State: types.StateReady,
}
err := state.ValidTransition(types.StateRunning, types.StateStopped)
assert.Error(t, err)
}
func TestVolumesSetSuccessful(t *testing.T) {
volumes := &types.Volumes{}
volStr := "mountTag1:hostPath1 mountTag2:hostPath2"
expected := types.Volumes{
{
MountTag: "mountTag1",
HostPath: "hostPath1",
},
{
MountTag: "mountTag2",
HostPath: "hostPath2",
},
}
err := volumes.Set(volStr)
assert.NoError(t, err)
assert.Exactly(t, *volumes, expected)
}
func TestVolumesSetFailingTooFewArguments(t *testing.T) {
volumes := &types.Volumes{}
volStr := "mountTag1 mountTag2"
err := volumes.Set(volStr)
assert.Error(t, err)
}
func TestVolumesSetFailingTooManyArguments(t *testing.T) {
volumes := &types.Volumes{}
volStr := "mountTag1:hostPath1:Foo1 mountTag2:hostPath2:Foo2"
err := volumes.Set(volStr)
assert.Error(t, err)
}
func TestVolumesSetFailingVoidArguments(t *testing.T) {
volumes := &types.Volumes{}
volStr := ": : :"
err := volumes.Set(volStr)
assert.Error(t, err)
}
func TestVolumesStringSuccessful(t *testing.T) {
volumes := &types.Volumes{
{
MountTag: "mountTag1",
HostPath: "hostPath1",
},
{
MountTag: "mountTag2",
HostPath: "hostPath2",
},
}
expected := "mountTag1:hostPath1 mountTag2:hostPath2"
result := volumes.String()
assert.Equal(t, result, expected)
}
func TestSocketsSetSuccessful(t *testing.T) {
sockets := &types.Sockets{}
sockStr := "devID1:id1:hostPath1:Name1 devID2:id2:hostPath2:Name2"
expected := types.Sockets{
{
DeviceID: "devID1",
ID: "id1",
HostPath: "hostPath1",
Name: "Name1",
},
{
DeviceID: "devID2",
ID: "id2",
HostPath: "hostPath2",
Name: "Name2",
},
}
err := sockets.Set(sockStr)
assert.NoError(t, err)
assert.Exactly(t, *sockets, expected)
}
func TestSocketsSetFailingWrongArgsAmount(t *testing.T) {
sockets := &types.Sockets{}
sockStr := "devID1:id1:hostPath1"
err := sockets.Set(sockStr)
assert.Error(t, err)
}
func TestSocketsSetFailingVoidArguments(t *testing.T) {
sockets := &types.Sockets{}
sockStr := ":::"
err := sockets.Set(sockStr)
assert.Error(t, err)
}
func TestSocketsStringSuccessful(t *testing.T) {
sockets := &types.Sockets{
{
DeviceID: "devID1",
ID: "id1",
HostPath: "hostPath1",
Name: "Name1",
},
{
DeviceID: "devID2",
ID: "id2",
HostPath: "hostPath2",
Name: "Name2",
},
}
expected := "devID1:id1:hostPath1:Name1 devID2:id2:hostPath2:Name2"
result := sockets.String()
assert.Equal(t, result, expected)
}
func TestSandboxListSuccessful(t *testing.T) {
sandbox := &Sandbox{}
sandboxList, err := sandbox.list()
assert.NoError(t, err)
assert.Nil(t, sandboxList)
}
func TestSandboxEnterSuccessful(t *testing.T) {
sandbox := &Sandbox{}
err := sandbox.enter([]string{})
assert.NoError(t, err)
}
func testCheckInitSandboxAndContainerStates(p *Sandbox, initialSandboxState types.SandboxState, c *Container, initialContainerState types.ContainerState) error {
if p.state.State != initialSandboxState.State {
return fmt.Errorf("Expected sandbox state %v, got %v", initialSandboxState.State, p.state.State)
}
if c.state.State != initialContainerState.State {
return fmt.Errorf("Expected container state %v, got %v", initialContainerState.State, c.state.State)
}
return nil
}
func testForceSandboxStateChangeAndCheck(t *testing.T, p *Sandbox, newSandboxState types.SandboxState) error {
// force sandbox state change
err := p.setSandboxState(newSandboxState.State)
assert.NoError(t, err)
// check the in-memory state is correct
if p.state.State != newSandboxState.State {
return fmt.Errorf("Expected state %v, got %v", newSandboxState.State, p.state.State)
}
return nil
}
func testForceContainerStateChangeAndCheck(t *testing.T, p *Sandbox, c *Container, newContainerState types.ContainerState) error {
// force container state change
err := c.setContainerState(newContainerState.State)
assert.NoError(t, err)
// check the in-memory state is correct
if c.state.State != newContainerState.State {
return fmt.Errorf("Expected state %v, got %v", newContainerState.State, c.state.State)
}
return nil
}
func testCheckSandboxOnDiskState(p *Sandbox, sandboxState types.SandboxState) error {
// check on-disk state is correct
if p.state.State != sandboxState.State {
return fmt.Errorf("Expected state %v, got %v", sandboxState.State, p.state.State)
}
return nil
}
func testCheckContainerOnDiskState(c *Container, containerState types.ContainerState) error {
// check on-disk state is correct
if c.state.State != containerState.State {
return fmt.Errorf("Expected state %v, got %v", containerState.State, c.state.State)
}
return nil
}
func TestSandboxSetSandboxAndContainerState(t *testing.T) {
contID := "505"
contConfig := newTestContainerConfigNoop(contID)
hConfig := newHypervisorConfig(nil, nil)
assert := assert.New(t)
// create a sandbox
p, err := testCreateSandbox(t, testSandboxID, MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, []ContainerConfig{contConfig}, nil)
assert.NoError(err)
defer cleanUp()
l := len(p.GetAllContainers())
assert.Equal(l, 1)
initialSandboxState := types.SandboxState{
State: types.StateReady,
}
// After a sandbox creation, a container has a READY state
initialContainerState := types.ContainerState{
State: types.StateReady,
}
c, err := p.findContainer(contID)
assert.NoError(err)
// check initial sandbox and container states
if err := testCheckInitSandboxAndContainerStates(p, initialSandboxState, c, initialContainerState); err != nil {
t.Error(err)
}
// persist to disk
err = p.storeSandbox()
assert.NoError(err)
newSandboxState := types.SandboxState{
State: types.StateRunning,
}
if err := testForceSandboxStateChangeAndCheck(t, p, newSandboxState); err != nil {
t.Error(err)
}
newContainerState := types.ContainerState{
State: types.StateStopped,
}
if err := testForceContainerStateChangeAndCheck(t, p, c, newContainerState); err != nil {
t.Error(err)
}
// force state to be read from disk
p2, err := fetchSandbox(context.Background(), p.ID())
assert.NoError(err)
if err := testCheckSandboxOnDiskState(p2, newSandboxState); err != nil {
t.Error(err)
}
c2, err := p2.findContainer(contID)
assert.NoError(err)
if err := testCheckContainerOnDiskState(c2, newContainerState); err != nil {
t.Error(err)
}
// revert sandbox state to allow it to be deleted
err = p.setSandboxState(initialSandboxState.State)
assert.NoError(err)
// clean up
err = p.Delete()
assert.NoError(err)
}
func TestGetContainer(t *testing.T) {
containerIDs := []string{"abc", "123", "xyz", "rgb"}
containers := map[string]*Container{}
for _, id := range containerIDs {
c := Container{id: id}
containers[id] = &c
}
sandbox := Sandbox{
containers: containers,
}
c := sandbox.GetContainer("noid")
assert.Nil(t, c)
for _, id := range containerIDs {
c = sandbox.GetContainer(id)
assert.NotNil(t, c)
}
}
func TestGetAllContainers(t *testing.T) {
containerIDs := []string{"abc", "123", "xyz", "rgb"}
containers := map[string]*Container{}
for _, id := range containerIDs {
c := &Container{id: id}
containers[id] = c
}
sandbox := Sandbox{
containers: containers,
}
list := sandbox.GetAllContainers()
for _, c := range list {
assert.NotNil(t, containers[c.ID()], nil)
}
}
func TestSetAnnotations(t *testing.T) {
assert := assert.New(t)
sandbox := Sandbox{
ctx: context.Background(),
id: "abcxyz123",
annotationsLock: &sync.RWMutex{},
config: &SandboxConfig{
Annotations: map[string]string{
"annotation1": "abc",
},
},
}
keyAnnotation := "annotation2"
valueAnnotation := "xyz"
newAnnotations := map[string]string{
keyAnnotation: valueAnnotation,
}
// Add a new annotation
sandbox.SetAnnotations(newAnnotations)
v, err := sandbox.Annotations(keyAnnotation)
assert.NoError(err)
assert.Equal(v, valueAnnotation)
//Change the value of an annotation
valueAnnotation = "123"
newAnnotations[keyAnnotation] = valueAnnotation
sandbox.SetAnnotations(newAnnotations)
v, err = sandbox.Annotations(keyAnnotation)
assert.NoError(err)
assert.Equal(v, valueAnnotation)
}
func TestSandboxGetContainer(t *testing.T) {
assert := assert.New(t)
emptySandbox := Sandbox{}
_, err := emptySandbox.findContainer("")
assert.Error(err)
_, err = emptySandbox.findContainer("foo")
assert.Error(err)
hConfig := newHypervisorConfig(nil, nil)
p, err := testCreateSandbox(t, testSandboxID, MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, nil, nil)
assert.NoError(err)
defer cleanUp()
contID := "999"
contConfig := newTestContainerConfigNoop(contID)
nc, err := newContainer(p, &contConfig)
assert.NoError(err)
err = p.addContainer(nc)
assert.NoError(err)
got := false
for _, c := range p.GetAllContainers() {
c2, err := p.findContainer(c.ID())
assert.NoError(err)
assert.Equal(c2.ID(), c.ID())
if c2.ID() == contID {
got = true
}
}
assert.True(got)
}
func TestContainerStateSetFstype(t *testing.T) {
var err error
assert := assert.New(t)
containers := []ContainerConfig{
{
ID: "100",
Annotations: containerAnnotations,
CustomSpec: newEmptySpec(),
},
}
hConfig := newHypervisorConfig(nil, nil)
sandbox, err := testCreateSandbox(t, testSandboxID, MockHypervisor, hConfig, NoopAgentType, NetworkConfig{}, containers, nil)
assert.Nil(err)
defer cleanUp()
c := sandbox.GetContainer("100")
assert.NotNil(c)
cImpl, ok := c.(*Container)
assert.True(ok)
state := types.ContainerState{
State: "ready",
Fstype: "vfs",
}
cImpl.state = state
newFstype := "ext4"
err = cImpl.setStateFstype(newFstype)
assert.NoError(err)
assert.Equal(cImpl.state.Fstype, newFstype)
}
func TestSandboxAttachDevicesVFIO(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "")
assert.Nil(t, err)
os.RemoveAll(tmpDir)
testFDIOGroup := "2"
testDeviceBDFPath := "0000:00:1c.0"
devicesDir := filepath.Join(tmpDir, testFDIOGroup, "devices")
err = os.MkdirAll(devicesDir, DirMode)
assert.Nil(t, err)
deviceFile := filepath.Join(devicesDir, testDeviceBDFPath)
_, err = os.Create(deviceFile)
assert.Nil(t, err)
savedIOMMUPath := config.SysIOMMUPath
config.SysIOMMUPath = tmpDir
defer func() {
config.SysIOMMUPath = savedIOMMUPath
}()
dm := manager.NewDeviceManager(manager.VirtioSCSI, false, "", nil)
path := filepath.Join(vfioPath, testFDIOGroup)
deviceInfo := config.DeviceInfo{
HostPath: path,
ContainerPath: path,
DevType: "c",
}
dev, err := dm.NewDevice(deviceInfo)
assert.Nil(t, err, "deviceManager.NewDevice return error: %v", err)
c := &Container{
id: "100",
devices: []ContainerDevice{
{
ID: dev.DeviceID(),
ContainerPath: path,
},
},
}
containers := map[string]*Container{}
containers[c.id] = c
sandbox := Sandbox{
id: "100",
containers: containers,
hypervisor: &mockHypervisor{},
devManager: dm,
ctx: context.Background(),
config: &SandboxConfig{},
}
containers[c.id].sandbox = &sandbox
err = containers[c.id].attachDevices(c.devices)
assert.Nil(t, err, "Error while attaching devices %s", err)
err = containers[c.id].detachDevices()
assert.Nil(t, err, "Error while detaching devices %s", err)
}
func TestSandboxAttachDevicesVhostUserBlk(t *testing.T) {
rootEnabled := true
tc := ktu.NewTestConstraint(false)
if tc.NotValid(ktu.NeedRoot()) {
rootEnabled = false
}
tmpDir, err := ioutil.TempDir("", "")
assert.Nil(t, err)
os.RemoveAll(tmpDir)
dm := manager.NewDeviceManager(manager.VirtioSCSI, true, tmpDir, nil)
vhostUserDevNodePath := filepath.Join(tmpDir, "/block/devices/")
vhostUserSockPath := filepath.Join(tmpDir, "/block/sockets/")
deviceNodePath := filepath.Join(vhostUserDevNodePath, "vhostblk0")
deviceSockPath := filepath.Join(vhostUserSockPath, "vhostblk0")
err = os.MkdirAll(vhostUserDevNodePath, dirMode)
assert.Nil(t, err)
err = os.MkdirAll(vhostUserSockPath, dirMode)
assert.Nil(t, err)
_, err = os.Create(deviceSockPath)
assert.Nil(t, err)
// mknod requires root privilege, call mock function for non-root to
// get VhostUserBlk device type.
if rootEnabled == true {
err = unix.Mknod(deviceNodePath, unix.S_IFBLK, int(unix.Mkdev(config.VhostUserBlkMajor, 0)))
assert.Nil(t, err)
} else {
savedFunc := config.GetVhostUserNodeStatFunc
_, err = os.Create(deviceNodePath)
assert.Nil(t, err)
config.GetVhostUserNodeStatFunc = func(devNodePath string,
devNodeStat *unix.Stat_t) error {
if deviceNodePath != devNodePath {
return fmt.Errorf("mock GetVhostUserNodeStatFunc error")
}
devNodeStat.Rdev = unix.Mkdev(config.VhostUserBlkMajor, 0)
return nil
}
defer func() {
config.GetVhostUserNodeStatFunc = savedFunc
}()
}
path := "/dev/vda"
deviceInfo := config.DeviceInfo{
HostPath: deviceNodePath,
ContainerPath: path,
DevType: "b",
Major: config.VhostUserBlkMajor,
Minor: 0,
}
device, err := dm.NewDevice(deviceInfo)
assert.Nil(t, err)
_, ok := device.(*drivers.VhostUserBlkDevice)
assert.True(t, ok)
c := &Container{
id: "100",
devices: []ContainerDevice{
{
ID: device.DeviceID(),
ContainerPath: path,
},
},
}
containers := map[string]*Container{}
containers[c.id] = c
sandbox := Sandbox{
id: "100",
containers: containers,
hypervisor: &mockHypervisor{},
devManager: dm,
ctx: context.Background(),
config: &SandboxConfig{},
}
containers[c.id].sandbox = &sandbox
err = containers[c.id].attachDevices(c.devices)
assert.Nil(t, err, "Error while attaching vhost-user-blk devices %s", err)
err = containers[c.id].detachDevices()
assert.Nil(t, err, "Error while detaching vhost-user-blk devices %s", err)
}
var assetContent = []byte("FakeAsset fake asset FAKE ASSET")
var assetContentHash = "92549f8d2018a95a294d28a65e795ed7d1a9d150009a28cea108ae10101178676f04ab82a6950d0099e4924f9c5e41dcba8ece56b75fc8b4e0a7492cb2a8c880"
var assetContentWrongHash = "92549f8d2018a95a294d28a65e795ed7d1a9d150009a28cea108ae10101178676f04ab82a6950d0099e4924f9c5e41dcba8ece56b75fc8b4e0a7492cb2a8c881"
func TestSandboxCreateAssets(t *testing.T) {
assert := assert.New(t)
tmpfile, err := ioutil.TempFile("", "virtcontainers-test-")
assert.Nil(err)
defer func() {
tmpfile.Close()
os.Remove(tmpfile.Name()) // clean up
}()
_, err = tmpfile.Write(assetContent)
assert.Nil(err)
originalKernelPath := filepath.Join(testDir, testKernel)
hc := HypervisorConfig{
KernelPath: originalKernelPath,
ImagePath: filepath.Join(testDir, testImage),
}
p := &SandboxConfig{
Annotations: map[string]string{
annotations.KernelPath: tmpfile.Name(),
annotations.KernelHash: assetContentHash,
},
HypervisorConfig: hc,
}
err = createAssets(context.Background(), p)
assert.Nil(err)
a, ok := p.HypervisorConfig.customAssets[types.KernelAsset]
assert.True(ok)
assert.Equal(a.Path(), tmpfile.Name())
p = &SandboxConfig{
Annotations: map[string]string{
annotations.KernelPath: tmpfile.Name(),
annotations.KernelHash: assetContentWrongHash,
},
HypervisorConfig: hc,
}
err = createAssets(context.Background(), p)
assert.NotNil(err)
}
func testFindContainerFailure(t *testing.T, sandbox *Sandbox, cid string) {
c, err := sandbox.findContainer(cid)
assert.Nil(t, c, "Container pointer should be nil")
assert.NotNil(t, err, "Should have returned an error")
}
func TestFindContainerSandboxNilFailure(t *testing.T) {
testFindContainerFailure(t, nil, testContainerID)
}
func TestFindContainerContainerIDEmptyFailure(t *testing.T) {
sandbox := &Sandbox{}
testFindContainerFailure(t, sandbox, "")
}
func TestFindContainerNoContainerMatchFailure(t *testing.T) {
sandbox := &Sandbox{}
testFindContainerFailure(t, sandbox, testContainerID)
}
func TestFindContainerSuccess(t *testing.T) {
sandbox := &Sandbox{
containers: map[string]*Container{
testContainerID: {id: testContainerID},
},
}
c, err := sandbox.findContainer(testContainerID)
assert.NotNil(t, c, "Container pointer should not be nil")
assert.Nil(t, err, "Should not have returned an error: %v", err)
assert.True(t, c == sandbox.containers[testContainerID], "Container pointers should point to the same address")
}
func TestRemoveContainerSandboxNilFailure(t *testing.T) {
testFindContainerFailure(t, nil, testContainerID)
}
func TestRemoveContainerContainerIDEmptyFailure(t *testing.T) {
sandbox := &Sandbox{}
testFindContainerFailure(t, sandbox, "")
}
func TestRemoveContainerNoContainerMatchFailure(t *testing.T) {
sandbox := &Sandbox{}
testFindContainerFailure(t, sandbox, testContainerID)
}
func TestRemoveContainerSuccess(t *testing.T) {
sandbox := &Sandbox{
containers: map[string]*Container{
testContainerID: {id: testContainerID},
},
}
err := sandbox.removeContainer(testContainerID)
assert.Nil(t, err, "Should not have returned an error: %v", err)
assert.Equal(t, len(sandbox.containers), 0, "Containers list from sandbox structure should be empty")
}
func TestCreateContainer(t *testing.T) {
s, err := testCreateSandbox(t, testSandboxID, MockHypervisor, newHypervisorConfig(nil, nil), NoopAgentType, NetworkConfig{}, nil, nil)
assert.Nil(t, err, "VirtContainers should not allow empty sandboxes")
defer cleanUp()
contID := "999"
contConfig := newTestContainerConfigNoop(contID)
_, err = s.CreateContainer(contConfig)
assert.Nil(t, err, "Failed to create container %+v in sandbox %+v: %v", contConfig, s, err)
assert.Equal(t, len(s.config.Containers), 1, "Container config list length from sandbox structure should be 1")
_, err = s.CreateContainer(contConfig)
assert.NotNil(t, err, "Should failed to create a duplicated container")
assert.Equal(t, len(s.config.Containers), 1, "Container config list length from sandbox structure should be 1")
}
func TestDeleteContainer(t *testing.T) {
s, err := testCreateSandbox(t, testSandboxID, MockHypervisor, newHypervisorConfig(nil, nil), NoopAgentType, NetworkConfig{}, nil, nil)
assert.Nil(t, err, "VirtContainers should not allow empty sandboxes")
defer cleanUp()
contID := "999"
_, err = s.DeleteContainer(contID)
assert.NotNil(t, err, "Deletng non-existing container should fail")
contConfig := newTestContainerConfigNoop(contID)
_, err = s.CreateContainer(contConfig)
assert.Nil(t, err, "Failed to create container %+v in sandbox %+v: %v", contConfig, s, err)
_, err = s.DeleteContainer(contID)
assert.Nil(t, err, "Failed to delete container %s in sandbox %s: %v", contID, s.ID(), err)
}
func TestStartContainer(t *testing.T) {
s, err := testCreateSandbox(t, testSandboxID, MockHypervisor, newHypervisorConfig(nil, nil), NoopAgentType, NetworkConfig{}, nil, nil)
assert.Nil(t, err, "VirtContainers should not allow empty sandboxes")
defer cleanUp()
contID := "999"
_, err = s.StartContainer(contID)
assert.NotNil(t, err, "Starting non-existing container should fail")
err = s.Start()
assert.Nil(t, err, "Failed to start sandbox: %v", err)
contConfig := newTestContainerConfigNoop(contID)
_, err = s.CreateContainer(contConfig)
assert.Nil(t, err, "Failed to create container %+v in sandbox %+v: %v", contConfig, s, err)
_, err = s.StartContainer(contID)