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driver_test.go
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package docker
import (
"context"
"fmt"
"io/ioutil"
"math/rand"
"path/filepath"
"reflect"
"runtime"
"runtime/debug"
"sort"
"strings"
"syscall"
"testing"
"time"
docker "github.com/fsouza/go-dockerclient"
hclog "github.com/hashicorp/go-hclog"
"github.com/hashicorp/nomad/client/taskenv"
"github.com/hashicorp/nomad/client/testutil"
"github.com/hashicorp/nomad/helper/freeport"
"github.com/hashicorp/nomad/helper/pluginutils/hclspecutils"
"github.com/hashicorp/nomad/helper/pluginutils/hclutils"
"github.com/hashicorp/nomad/helper/pluginutils/loader"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/plugins/base"
"github.com/hashicorp/nomad/plugins/drivers"
dtestutil "github.com/hashicorp/nomad/plugins/drivers/testutils"
tu "github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
basicResources = &drivers.Resources{
NomadResources: &structs.AllocatedTaskResources{
Memory: structs.AllocatedMemoryResources{
MemoryMB: 256,
},
Cpu: structs.AllocatedCpuResources{
CpuShares: 250,
},
},
LinuxResources: &drivers.LinuxResources{
CPUShares: 512,
MemoryLimitBytes: 256 * 1024 * 1024,
},
}
)
func dockerIsRemote(t *testing.T) bool {
client, err := docker.NewClientFromEnv()
if err != nil {
return false
}
// Technically this could be a local tcp socket but for testing purposes
// we'll just assume that tcp is only used for remote connections.
if client.Endpoint()[0:3] == "tcp" {
return true
}
return false
}
var (
// busyboxLongRunningCmd is a busybox command that runs indefinitely, and
// ideally responds to SIGINT/SIGTERM. Sadly, busybox:1.29.3 /bin/sleep doesn't.
busyboxLongRunningCmd = []string{"nc", "-l", "-p", "3000", "127.0.0.1"}
)
// Returns a task with a reserved and dynamic port. The ports are returned
// respectively, and should be reclaimed with freeport.Return at the end of a test.
func dockerTask(t *testing.T) (*drivers.TaskConfig, *TaskConfig, []int) {
ports := freeport.MustTake(2)
dockerReserved := ports[0]
dockerDynamic := ports[1]
cfg := newTaskConfig("", busyboxLongRunningCmd)
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "redis-demo",
AllocID: uuid.Generate(),
Env: map[string]string{
"test": t.Name(),
},
DeviceEnv: make(map[string]string),
Resources: &drivers.Resources{
NomadResources: &structs.AllocatedTaskResources{
Memory: structs.AllocatedMemoryResources{
MemoryMB: 256,
},
Cpu: structs.AllocatedCpuResources{
CpuShares: 512,
},
Networks: []*structs.NetworkResource{
{
IP: "127.0.0.1",
ReservedPorts: []structs.Port{{Label: "main", Value: dockerReserved}},
DynamicPorts: []structs.Port{{Label: "REDIS", Value: dockerDynamic}},
},
},
},
LinuxResources: &drivers.LinuxResources{
CPUShares: 512,
MemoryLimitBytes: 256 * 1024 * 1024,
PercentTicks: float64(512) / float64(4096),
},
},
}
require.NoError(t, task.EncodeConcreteDriverConfig(&cfg))
return task, &cfg, ports
}
// dockerSetup does all of the basic setup you need to get a running docker
// process up and running for testing. Use like:
//
// task := taskTemplate()
// // do custom task configuration
// client, handle, cleanup := dockerSetup(t, task, nil)
// defer cleanup()
// // do test stuff
//
// If there is a problem during setup this function will abort or skip the test
// and indicate the reason.
func dockerSetup(t *testing.T, task *drivers.TaskConfig, driverCfg map[string]interface{}) (*docker.Client, *dtestutil.DriverHarness, *taskHandle, func()) {
client := newTestDockerClient(t)
driver := dockerDriverHarness(t, driverCfg)
cleanup := driver.MkAllocDir(task, true)
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := driver.StartTask(task)
require.NoError(t, err)
dockerDriver, ok := driver.Impl().(*Driver)
require.True(t, ok)
handle, ok := dockerDriver.tasks.Get(task.ID)
require.True(t, ok)
return client, driver, handle, func() {
driver.DestroyTask(task.ID, true)
cleanup()
}
}
// cleanSlate removes the specified docker image, including potentially stopping/removing any
// containers based on that image. This is used to decouple tests that would be coupled
// by using the same container image.
func cleanSlate(client *docker.Client, imageID string) {
if img, _ := client.InspectImage(imageID); img == nil {
return
}
containers, _ := client.ListContainers(docker.ListContainersOptions{
All: true,
Filters: map[string][]string{
"ancestor": {imageID},
},
})
for _, c := range containers {
client.RemoveContainer(docker.RemoveContainerOptions{
Force: true,
ID: c.ID,
})
}
client.RemoveImageExtended(imageID, docker.RemoveImageOptions{
Force: true,
})
return
}
// dockerDriverHarness wires up everything needed to launch a task with a docker driver.
// A driver plugin interface and cleanup function is returned
func dockerDriverHarness(t *testing.T, cfg map[string]interface{}) *dtestutil.DriverHarness {
logger := testlog.HCLogger(t)
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(func() { cancel() })
harness := dtestutil.NewDriverHarness(t, NewDockerDriver(ctx, logger))
if cfg == nil {
cfg = map[string]interface{}{
"gc": map[string]interface{}{
"image": false,
"image_delay": "1s",
},
}
}
plugLoader, err := loader.NewPluginLoader(&loader.PluginLoaderConfig{
Logger: logger,
PluginDir: "./plugins",
SupportedVersions: loader.AgentSupportedApiVersions,
InternalPlugins: map[loader.PluginID]*loader.InternalPluginConfig{
PluginID: {
Config: cfg,
Factory: func(context.Context, hclog.Logger) interface{} {
return harness
},
},
},
})
require.NoError(t, err)
instance, err := plugLoader.Dispense(pluginName, base.PluginTypeDriver, nil, logger)
require.NoError(t, err)
driver, ok := instance.Plugin().(*dtestutil.DriverHarness)
if !ok {
t.Fatal("plugin instance is not a driver... wat?")
}
return driver
}
func newTestDockerClient(t *testing.T) *docker.Client {
t.Helper()
testutil.DockerCompatible(t)
client, err := docker.NewClientFromEnv()
if err != nil {
t.Fatalf("Failed to initialize client: %s\nStack\n%s", err, debug.Stack())
}
return client
}
// Following tests have been removed from this file.
// [TestDockerDriver_Fingerprint, TestDockerDriver_Fingerprint_Bridge, TestDockerDriver_Check_DockerHealthStatus]
// If you want to checkout/revert those tests, please check commit: 41715b1860778aa80513391bd64abd721d768ab0
func TestDockerDriver_Start_Wait(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := newTaskConfig("", busyboxLongRunningCmd)
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "nc-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
select {
case <-waitCh:
t.Fatalf("wait channel should not have received an exit result")
case <-time.After(time.Duration(tu.TestMultiplier()*1) * time.Second):
}
}
func TestDockerDriver_Start_WaitFinish(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := newTaskConfig("", []string{"echo", "hello"})
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "nc-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
select {
case res := <-waitCh:
if !res.Successful() {
require.Fail(t, "ExitResult should be successful: %v", res)
}
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail(t, "timeout")
}
}
// TestDockerDriver_Start_StoppedContainer asserts that Nomad will detect a
// stopped task container, remove it, and start a new container.
//
// See https://github.com/hashicorp/nomad/issues/3419
func TestDockerDriver_Start_StoppedContainer(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := newTaskConfig("", []string{"sleep", "9001"})
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "nc-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
client := newTestDockerClient(t)
var imageID string
var err error
if runtime.GOOS != "windows" {
imageID, err = d.Impl().(*Driver).loadImage(task, &taskCfg, client)
} else {
image, lErr := client.InspectImage(taskCfg.Image)
err = lErr
if image != nil {
imageID = image.ID
}
}
require.NoError(t, err)
require.NotEmpty(t, imageID)
// Create a container of the same name but don't start it. This mimics
// the case of dockerd getting restarted and stopping containers while
// Nomad is watching them.
opts := docker.CreateContainerOptions{
Name: strings.Replace(task.ID, "/", "_", -1),
Config: &docker.Config{
Image: taskCfg.Image,
Cmd: []string{"sleep", "9000"},
Env: []string{fmt.Sprintf("test=%s", t.Name())},
},
}
if _, err := client.CreateContainer(opts); err != nil {
t.Fatalf("error creating initial container: %v", err)
}
_, _, err = d.StartTask(task)
defer d.DestroyTask(task.ID, true)
require.NoError(t, err)
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
require.NoError(t, d.DestroyTask(task.ID, true))
}
func TestDockerDriver_Start_LoadImage(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := newTaskConfig("", []string{"sh", "-c", "echo hello > $NOMAD_TASK_DIR/output"})
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "busybox-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
select {
case res := <-waitCh:
if !res.Successful() {
require.Fail(t, "ExitResult should be successful: %v", res)
}
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail(t, "timeout")
}
// Check that data was written to the shared alloc directory.
outputFile := filepath.Join(task.TaskDir().LocalDir, "output")
act, err := ioutil.ReadFile(outputFile)
if err != nil {
t.Fatalf("Couldn't read expected output: %v", err)
}
exp := "hello"
if strings.TrimSpace(string(act)) != exp {
t.Fatalf("Command outputted %v; want %v", act, exp)
}
}
// Tests that starting a task without an image fails
func TestDockerDriver_Start_NoImage(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := TaskConfig{
Command: "echo",
Args: []string{"foo"},
}
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "echo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, false)
defer cleanup()
_, _, err := d.StartTask(task)
require.Error(t, err)
require.Contains(t, err.Error(), "image name required")
d.DestroyTask(task.ID, true)
}
func TestDockerDriver_Start_BadPull_Recoverable(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := TaskConfig{
Image: "127.0.0.1:32121/foo", // bad path
ImagePullTimeout: "5m",
Command: "echo",
Args: []string{
"hello",
},
}
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "busybox-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
_, _, err := d.StartTask(task)
require.Error(t, err)
defer d.DestroyTask(task.ID, true)
if rerr, ok := err.(*structs.RecoverableError); !ok {
t.Fatalf("want recoverable error: %+v", err)
} else if !rerr.IsRecoverable() {
t.Fatalf("error not recoverable: %+v", err)
}
}
func TestDockerDriver_Start_Wait_AllocDir(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
// This test requires that the alloc dir be mounted into docker as a volume.
// Because this cannot happen when docker is run remotely, e.g. when running
// docker in a VM, we skip this when we detect Docker is being run remotely.
if !testutil.DockerIsConnected(t) || dockerIsRemote(t) {
t.Skip("Docker not connected")
}
exp := []byte{'w', 'i', 'n'}
file := "output.txt"
taskCfg := newTaskConfig("", []string{
"sh",
"-c",
fmt.Sprintf(`sleep 1; echo -n %s > $%s/%s`,
string(exp), taskenv.AllocDir, file),
})
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "busybox-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
select {
case res := <-waitCh:
if !res.Successful() {
require.Fail(t, fmt.Sprintf("ExitResult should be successful: %v", res))
}
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail(t, "timeout")
}
// Check that data was written to the shared alloc directory.
outputFile := filepath.Join(task.TaskDir().SharedAllocDir, file)
act, err := ioutil.ReadFile(outputFile)
if err != nil {
t.Fatalf("Couldn't read expected output: %v", err)
}
if !reflect.DeepEqual(act, exp) {
t.Fatalf("Command outputted %v; want %v", act, exp)
}
}
func TestDockerDriver_Start_Kill_Wait(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
taskCfg := newTaskConfig("", busyboxLongRunningCmd)
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "busybox-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
go func(t *testing.T) {
time.Sleep(100 * time.Millisecond)
signal := "SIGINT"
if runtime.GOOS == "windows" {
signal = "SIGKILL"
}
require.NoError(t, d.StopTask(task.ID, time.Second, signal))
}(t)
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
select {
case res := <-waitCh:
if res.Successful() {
require.Fail(t, "ExitResult should err: %v", res)
}
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail(t, "timeout")
}
}
func TestDockerDriver_Start_KillTimeout(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
if runtime.GOOS == "windows" {
t.Skip("Windows Docker does not support SIGUSR1")
}
timeout := 2 * time.Second
taskCfg := newTaskConfig("", []string{"sleep", "10"})
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "busybox-demo",
AllocID: uuid.Generate(),
Resources: basicResources,
}
require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
d := dockerDriverHarness(t, nil)
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(t, err)
defer d.DestroyTask(task.ID, true)
var killSent time.Time
go func() {
time.Sleep(100 * time.Millisecond)
killSent = time.Now()
require.NoError(t, d.StopTask(task.ID, timeout, "SIGUSR1"))
}()
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(t, err)
var killed time.Time
select {
case <-waitCh:
killed = time.Now()
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail(t, "timeout")
}
require.True(t, killed.Sub(killSent) > timeout)
}
func TestDockerDriver_StartN(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Windows Docker does not support SIGINT")
}
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
require := require.New(t)
task1, _, ports1 := dockerTask(t)
defer freeport.Return(ports1)
task2, _, ports2 := dockerTask(t)
defer freeport.Return(ports2)
task3, _, ports3 := dockerTask(t)
defer freeport.Return(ports3)
taskList := []*drivers.TaskConfig{task1, task2, task3}
t.Logf("Starting %d tasks", len(taskList))
d := dockerDriverHarness(t, nil)
// Let's spin up a bunch of things
for _, task := range taskList {
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
_, _, err := d.StartTask(task)
require.NoError(err)
}
defer d.DestroyTask(task3.ID, true)
defer d.DestroyTask(task2.ID, true)
defer d.DestroyTask(task1.ID, true)
t.Log("All tasks are started. Terminating...")
for _, task := range taskList {
require.NoError(d.StopTask(task.ID, time.Second, "SIGINT"))
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(err)
select {
case <-waitCh:
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail("timeout waiting on task")
}
}
t.Log("Test complete!")
}
func TestDockerDriver_StartNVersions(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Skipped on windows, we don't have image variants available")
}
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
require := require.New(t)
task1, cfg1, ports1 := dockerTask(t)
defer freeport.Return(ports1)
tcfg1 := newTaskConfig("", []string{"echo", "hello"})
cfg1.Image = tcfg1.Image
cfg1.LoadImage = tcfg1.LoadImage
require.NoError(task1.EncodeConcreteDriverConfig(cfg1))
task2, cfg2, ports2 := dockerTask(t)
defer freeport.Return(ports2)
tcfg2 := newTaskConfig("musl", []string{"echo", "hello"})
cfg2.Image = tcfg2.Image
cfg2.LoadImage = tcfg2.LoadImage
require.NoError(task2.EncodeConcreteDriverConfig(cfg2))
task3, cfg3, ports3 := dockerTask(t)
defer freeport.Return(ports3)
tcfg3 := newTaskConfig("glibc", []string{"echo", "hello"})
cfg3.Image = tcfg3.Image
cfg3.LoadImage = tcfg3.LoadImage
require.NoError(task3.EncodeConcreteDriverConfig(cfg3))
taskList := []*drivers.TaskConfig{task1, task2, task3}
t.Logf("Starting %d tasks", len(taskList))
d := dockerDriverHarness(t, nil)
// Let's spin up a bunch of things
for _, task := range taskList {
cleanup := d.MkAllocDir(task, true)
defer cleanup()
copyImage(t, task.TaskDir(), "busybox.tar")
copyImage(t, task.TaskDir(), "busybox_musl.tar")
copyImage(t, task.TaskDir(), "busybox_glibc.tar")
_, _, err := d.StartTask(task)
require.NoError(err)
require.NoError(d.WaitUntilStarted(task.ID, 5*time.Second))
}
defer d.DestroyTask(task3.ID, true)
defer d.DestroyTask(task2.ID, true)
defer d.DestroyTask(task1.ID, true)
t.Log("All tasks are started. Terminating...")
for _, task := range taskList {
require.NoError(d.StopTask(task.ID, time.Second, "SIGINT"))
// Attempt to wait
waitCh, err := d.WaitTask(context.Background(), task.ID)
require.NoError(err)
select {
case <-waitCh:
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
require.Fail("timeout waiting on task")
}
}
t.Log("Test complete!")
}
func TestDockerDriver_Labels(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.Labels = map[string]string{
"label1": "value1",
"label2": "value2",
}
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
container, err := client.InspectContainer(handle.containerID)
if err != nil {
t.Fatalf("err: %v", err)
}
// expect to see 4 additional standard labels (allocID, jobName, TaskGroupName and TaskName)
require.Equal(t, len(cfg.Labels)+4, len(container.Config.Labels))
for k, v := range cfg.Labels {
require.Equal(t, v, container.Config.Labels[k])
}
}
func TestDockerDriver_ForcePull(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.ForcePull = true
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
_, err := client.InspectContainer(handle.containerID)
if err != nil {
t.Fatalf("err: %v", err)
}
}
func TestDockerDriver_ForcePull_RepoDigest(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("TODO: Skipped digest test on Windows")
}
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.LoadImage = ""
cfg.Image = "library/busybox@sha256:58ac43b2cc92c687a32c8be6278e50a063579655fe3090125dcb2af0ff9e1a64"
localDigest := "sha256:8ac48589692a53a9b8c2d1ceaa6b402665aa7fe667ba51ccc03002300856d8c7"
cfg.ForcePull = true
cfg.Command = busyboxLongRunningCmd[0]
cfg.Args = busyboxLongRunningCmd[1:]
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
container, err := client.InspectContainer(handle.containerID)
require.NoError(t, err)
require.Equal(t, localDigest, container.Image)
}
func TestDockerDriver_SecurityOptUnconfined(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Windows does not support seccomp")
}
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.SecurityOpt = []string{"seccomp=unconfined"}
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
container, err := client.InspectContainer(handle.containerID)
if err != nil {
t.Fatalf("err: %v", err)
}
require.Exactly(t, cfg.SecurityOpt, container.HostConfig.SecurityOpt)
}
func TestDockerDriver_SecurityOptFromFile(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Windows does not support seccomp")
}
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.SecurityOpt = []string{"seccomp=./test-resources/docker/seccomp.json"}
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
container, err := client.InspectContainer(handle.containerID)
require.NoError(t, err)
require.Contains(t, container.HostConfig.SecurityOpt[0], "reboot")
}
func TestDockerDriver_Runtime(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
cfg.Runtime = "runc"
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
client, d, handle, cleanup := dockerSetup(t, task, nil)
defer cleanup()
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
container, err := client.InspectContainer(handle.containerID)
if err != nil {
t.Fatalf("err: %v", err)
}
require.Exactly(t, cfg.Runtime, container.HostConfig.Runtime)
}
func TestDockerDriver_CreateContainerConfig(t *testing.T) {
t.Parallel()
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
opt := map[string]string{"size": "120G"}
cfg.StorageOpt = opt
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
dh := dockerDriverHarness(t, nil)
driver := dh.Impl().(*Driver)
c, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
require.NoError(t, err)
require.Equal(t, "org/repo:0.1", c.Config.Image)
require.EqualValues(t, opt, c.HostConfig.StorageOpt)
// Container name should be /<task_name>-<alloc_id> for backward compat
containerName := fmt.Sprintf("%s-%s", strings.Replace(task.Name, "/", "_", -1), task.AllocID)
require.Equal(t, containerName, c.Name)
}
func TestDockerDriver_CreateContainerConfig_RuntimeConflict(t *testing.T) {
t.Parallel()
task, cfg, ports := dockerTask(t)
defer freeport.Return(ports)
task.DeviceEnv["NVIDIA_VISIBLE_DEVICES"] = "GPU_UUID_1"
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
dh := dockerDriverHarness(t, nil)
driver := dh.Impl().(*Driver)
driver.gpuRuntime = true
// Should error if a runtime was explicitly set that doesn't match gpu runtime
cfg.Runtime = "nvidia"
c, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
require.NoError(t, err)
require.Equal(t, "nvidia", c.HostConfig.Runtime)
cfg.Runtime = "custom"
_, err = driver.createContainerConfig(task, cfg, "org/repo:0.1")
require.Error(t, err)
require.Contains(t, err.Error(), "conflicting runtime requests")
}
func TestDockerDriver_CreateContainerConfig_ChecksAllowRuntimes(t *testing.T) {
t.Parallel()
dh := dockerDriverHarness(t, nil)
driver := dh.Impl().(*Driver)
driver.gpuRuntime = true
driver.config.allowRuntimes = map[string]struct{}{
"runc": {},
"custom": {},
}
allowRuntime := []string{
"", // default always works
"runc",
"custom",
}