2501 lines
65 KiB
Go
2501 lines
65 KiB
Go
package docker
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import (
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"context"
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"fmt"
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"io/ioutil"
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"math/rand"
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"path/filepath"
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"reflect"
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"runtime"
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"runtime/debug"
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"strings"
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"testing"
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"time"
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docker "github.com/fsouza/go-dockerclient"
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"github.com/hashicorp/consul/lib/freeport"
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hclog "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/nomad/client/taskenv"
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"github.com/hashicorp/nomad/client/testutil"
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"github.com/hashicorp/nomad/devices/gpu/nvidia"
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"github.com/hashicorp/nomad/helper/pluginutils/loader"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/plugins/base"
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"github.com/hashicorp/nomad/plugins/drivers"
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dtestutil "github.com/hashicorp/nomad/plugins/drivers/testutils"
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tu "github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var (
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basicResources = &drivers.Resources{
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NomadResources: &structs.AllocatedTaskResources{
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Memory: structs.AllocatedMemoryResources{
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MemoryMB: 256,
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},
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Cpu: structs.AllocatedCpuResources{
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CpuShares: 250,
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},
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},
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LinuxResources: &drivers.LinuxResources{
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CPUShares: 512,
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MemoryLimitBytes: 256 * 1024 * 1024,
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},
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}
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)
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func dockerIsRemote(t *testing.T) bool {
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client, err := docker.NewClientFromEnv()
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if err != nil {
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return false
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}
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// Technically this could be a local tcp socket but for testing purposes
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// we'll just assume that tcp is only used for remote connections.
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if client.Endpoint()[0:3] == "tcp" {
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return true
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}
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return false
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}
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var (
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// busyboxLongRunningCmd is a busybox command that runs indefinitely, and
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// ideally responds to SIGINT/SIGTERM. Sadly, busybox:1.29.3 /bin/sleep doesn't.
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busyboxLongRunningCmd = []string{"nc", "-l", "-p", "3000", "127.0.0.1"}
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)
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// Returns a task with a reserved and dynamic port. The ports are returned
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// respectively.
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func dockerTask(t *testing.T) (*drivers.TaskConfig, *TaskConfig, []int) {
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ports := freeport.GetT(t, 2)
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dockerReserved := ports[0]
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dockerDynamic := ports[1]
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cfg := newTaskConfig("", busyboxLongRunningCmd)
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task := &drivers.TaskConfig{
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ID: uuid.Generate(),
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Name: "redis-demo",
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AllocID: uuid.Generate(),
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Env: map[string]string{
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"test": t.Name(),
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},
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DeviceEnv: make(map[string]string),
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Resources: &drivers.Resources{
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NomadResources: &structs.AllocatedTaskResources{
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Memory: structs.AllocatedMemoryResources{
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MemoryMB: 256,
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},
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Cpu: structs.AllocatedCpuResources{
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CpuShares: 512,
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},
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Networks: []*structs.NetworkResource{
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{
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IP: "127.0.0.1",
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ReservedPorts: []structs.Port{{Label: "main", Value: dockerReserved}},
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DynamicPorts: []structs.Port{{Label: "REDIS", Value: dockerDynamic}},
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},
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},
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},
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LinuxResources: &drivers.LinuxResources{
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CPUShares: 512,
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MemoryLimitBytes: 256 * 1024 * 1024,
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},
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},
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}
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require.NoError(t, task.EncodeConcreteDriverConfig(&cfg))
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return task, &cfg, ports
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}
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// dockerSetup does all of the basic setup you need to get a running docker
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// process up and running for testing. Use like:
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//
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// task := taskTemplate()
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// // do custom task configuration
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// client, handle, cleanup := dockerSetup(t, task)
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// defer cleanup()
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// // do test stuff
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//
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// If there is a problem during setup this function will abort or skip the test
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// and indicate the reason.
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func dockerSetup(t *testing.T, task *drivers.TaskConfig) (*docker.Client, *dtestutil.DriverHarness, *taskHandle, func()) {
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client := newTestDockerClient(t)
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driver := dockerDriverHarness(t, nil)
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cleanup := driver.MkAllocDir(task, true)
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copyImage(t, task.TaskDir(), "busybox.tar")
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_, _, err := driver.StartTask(task)
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require.NoError(t, err)
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dockerDriver, ok := driver.Impl().(*Driver)
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require.True(t, ok)
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handle, ok := dockerDriver.tasks.Get(task.ID)
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require.True(t, ok)
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return client, driver, handle, func() {
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driver.DestroyTask(task.ID, true)
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cleanup()
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}
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}
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// cleanSlate removes the specified docker image, including potentially stopping/removing any
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// containers based on that image. This is used to decouple tests that would be coupled
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// by using the same container image.
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func cleanSlate(client *docker.Client, imageID string) {
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if img, _ := client.InspectImage(imageID); img == nil {
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return
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}
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containers, _ := client.ListContainers(docker.ListContainersOptions{
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All: true,
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Filters: map[string][]string{
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"ancestor": {imageID},
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},
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})
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for _, c := range containers {
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client.RemoveContainer(docker.RemoveContainerOptions{
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Force: true,
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ID: c.ID,
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})
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}
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client.RemoveImageExtended(imageID, docker.RemoveImageOptions{
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Force: true,
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})
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return
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}
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// dockerDriverHarness wires up everything needed to launch a task with a docker driver.
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// A driver plugin interface and cleanup function is returned
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func dockerDriverHarness(t *testing.T, cfg map[string]interface{}) *dtestutil.DriverHarness {
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logger := testlog.HCLogger(t)
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harness := dtestutil.NewDriverHarness(t, NewDockerDriver(logger))
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if cfg == nil {
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cfg = map[string]interface{}{
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"gc": map[string]interface{}{
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"image_delay": "1s",
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},
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}
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}
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plugLoader, err := loader.NewPluginLoader(&loader.PluginLoaderConfig{
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Logger: logger,
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PluginDir: "./plugins",
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SupportedVersions: loader.AgentSupportedApiVersions,
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InternalPlugins: map[loader.PluginID]*loader.InternalPluginConfig{
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PluginID: {
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Config: cfg,
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Factory: func(hclog.Logger) interface{} {
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return harness
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},
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},
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},
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})
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require.NoError(t, err)
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instance, err := plugLoader.Dispense(pluginName, base.PluginTypeDriver, nil, logger)
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require.NoError(t, err)
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driver, ok := instance.Plugin().(*dtestutil.DriverHarness)
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if !ok {
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t.Fatal("plugin instance is not a driver... wat?")
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}
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return driver
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}
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func newTestDockerClient(t *testing.T) *docker.Client {
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t.Helper()
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testutil.DockerCompatible(t)
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client, err := docker.NewClientFromEnv()
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if err != nil {
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t.Fatalf("Failed to initialize client: %s\nStack\n%s", err, debug.Stack())
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}
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return client
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}
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/*
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// This test should always pass, even if docker daemon is not available
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func TestDockerDriver_Fingerprint(t *testing.T) {
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if !tu.IsCI() {
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t.Parallel()
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}
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ctx := testDockerDriverContexts(t, &structs.Task{Name: "foo", Driver: "docker", Resources: basicResources})
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//ctx.DriverCtx.config.Options = map[string]string{"docker.cleanup.image": "false"}
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defer ctx.Destroy()
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d := NewDockerDriver(ctx.DriverCtx)
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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request := &fingerprint.FingerprintRequest{Config: &config.Config{}, Node: node}
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var response fingerprint.FingerprintResponse
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err := d.Fingerprint(request, &response)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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attributes := response.Attributes
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if testutil.DockerIsConnected(t) && attributes["driver.docker"] == "" {
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t.Fatalf("Fingerprinter should detect when docker is available")
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}
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if attributes["driver.docker"] != "1" {
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t.Log("Docker daemon not available. The remainder of the docker tests will be skipped.")
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} else {
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// if docker is available, make sure that the response is tagged as
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// applicable
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if !response.Detected {
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t.Fatalf("expected response to be applicable")
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}
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}
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t.Logf("Found docker version %s", attributes["driver.docker.version"])
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}
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// TestDockerDriver_Fingerprint_Bridge asserts that if Docker is running we set
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// the bridge network's IP as a node attribute. See #2785
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func TestDockerDriver_Fingerprint_Bridge(t *testing.T) {
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if !tu.IsCI() {
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t.Parallel()
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}
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testutil.DockerCompatible(t)
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if runtime.GOOS != "linux" {
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t.Skip("expect only on linux")
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}
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// This seems fragile, so we might need to reconsider this test if it
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// proves flaky
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expectedAddr, err := sockaddr.GetInterfaceIP("docker0")
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if err != nil {
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t.Fatalf("unable to get ip for docker0: %v", err)
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}
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if expectedAddr == "" {
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t.Fatalf("unable to get ip for docker bridge")
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}
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conf := testConfig(t)
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conf.Node = mock.Node()
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dd := NewDockerDriver(NewDriverContext("", "", "", "", conf, conf.Node, testlog.Logger(t), nil))
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request := &fingerprint.FingerprintRequest{Config: conf, Node: conf.Node}
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var response fingerprint.FingerprintResponse
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err = dd.Fingerprint(request, &response)
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if err != nil {
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t.Fatalf("error fingerprinting docker: %v", err)
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}
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if !response.Detected {
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t.Fatalf("expected response to be applicable")
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}
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attributes := response.Attributes
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if attributes == nil {
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t.Fatalf("expected attributes to be set")
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}
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if attributes["driver.docker"] == "" {
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t.Fatalf("expected Docker to be enabled but false was returned")
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}
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if found := attributes["driver.docker.bridge_ip"]; found != expectedAddr {
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t.Fatalf("expected bridge ip %q but found: %q", expectedAddr, found)
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}
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t.Logf("docker bridge ip: %q", attributes["driver.docker.bridge_ip"])
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}
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func TestDockerDriver_Check_DockerHealthStatus(t *testing.T) {
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if !tu.IsCI() {
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t.Parallel()
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}
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testutil.DockerCompatible(t)
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if runtime.GOOS != "linux" {
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t.Skip("expect only on linux")
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}
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require := require.New(t)
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expectedAddr, err := sockaddr.GetInterfaceIP("docker0")
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if err != nil {
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t.Fatalf("unable to get ip for docker0: %v", err)
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}
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if expectedAddr == "" {
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t.Fatalf("unable to get ip for docker bridge")
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}
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conf := testConfig(t)
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conf.Node = mock.Node()
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dd := NewDockerDriver(NewDriverContext("", "", "", "", conf, conf.Node, testlog.Logger(t), nil))
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request := &cstructs.HealthCheckRequest{}
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var response cstructs.HealthCheckResponse
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dc, ok := dd.(fingerprint.HealthCheck)
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require.True(ok)
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err = dc.HealthCheck(request, &response)
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require.Nil(err)
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driverInfo := response.Drivers["docker"]
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require.NotNil(driverInfo)
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require.True(driverInfo.Healthy)
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}*/
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func TestDockerDriver_Start_Wait(t *testing.T) {
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if !tu.IsCI() {
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t.Parallel()
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}
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testutil.DockerCompatible(t)
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taskCfg := newTaskConfig("", busyboxLongRunningCmd)
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task := &drivers.TaskConfig{
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ID: uuid.Generate(),
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Name: "nc-demo",
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AllocID: uuid.Generate(),
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Resources: basicResources,
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}
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require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
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d := dockerDriverHarness(t, nil)
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cleanup := d.MkAllocDir(task, true)
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defer cleanup()
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copyImage(t, task.TaskDir(), "busybox.tar")
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_, _, err := d.StartTask(task)
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require.NoError(t, err)
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defer d.DestroyTask(task.ID, true)
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// Attempt to wait
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waitCh, err := d.WaitTask(context.Background(), task.ID)
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require.NoError(t, err)
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select {
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case <-waitCh:
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t.Fatalf("wait channel should not have received an exit result")
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case <-time.After(time.Duration(tu.TestMultiplier()*1) * time.Second):
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}
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}
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func TestDockerDriver_Start_WaitFinish(t *testing.T) {
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if !tu.IsCI() {
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t.Parallel()
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}
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testutil.DockerCompatible(t)
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taskCfg := newTaskConfig("", []string{"echo", "hello"})
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task := &drivers.TaskConfig{
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ID: uuid.Generate(),
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Name: "nc-demo",
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AllocID: uuid.Generate(),
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Resources: basicResources,
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}
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require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
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d := dockerDriverHarness(t, nil)
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cleanup := d.MkAllocDir(task, true)
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defer cleanup()
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copyImage(t, task.TaskDir(), "busybox.tar")
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_, _, err := d.StartTask(task)
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require.NoError(t, err)
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defer d.DestroyTask(task.ID, true)
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|
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// Attempt to wait
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waitCh, err := d.WaitTask(context.Background(), task.ID)
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require.NoError(t, err)
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select {
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case res := <-waitCh:
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if !res.Successful() {
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require.Fail(t, "ExitResult should be successful: %v", res)
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}
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case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
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require.Fail(t, "timeout")
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}
|
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}
|
|
|
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// TestDockerDriver_Start_StoppedContainer asserts that Nomad will detect a
|
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// stopped task container, remove it, and start a new container.
|
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//
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// See https://github.com/hashicorp/nomad/issues/3419
|
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func TestDockerDriver_Start_StoppedContainer(t *testing.T) {
|
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if !tu.IsCI() {
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t.Parallel()
|
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}
|
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testutil.DockerCompatible(t)
|
|
|
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taskCfg := newTaskConfig("", []string{"sleep", "9001"})
|
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task := &drivers.TaskConfig{
|
|
ID: uuid.Generate(),
|
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Name: "nc-demo",
|
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AllocID: uuid.Generate(),
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Resources: basicResources,
|
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}
|
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require.NoError(t, task.EncodeConcreteDriverConfig(&taskCfg))
|
|
|
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d := dockerDriverHarness(t, nil)
|
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cleanup := d.MkAllocDir(task, true)
|
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defer cleanup()
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copyImage(t, task.TaskDir(), "busybox.tar")
|
|
|
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client := newTestDockerClient(t)
|
|
|
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var imageID string
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var err error
|
|
|
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if runtime.GOOS != "windows" {
|
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imageID, err = d.Impl().(*Driver).loadImage(task, &taskCfg, client)
|
|
} else {
|
|
image, lErr := client.InspectImage("dantoml/busybox-windows:08012019")
|
|
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
|
|
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, _, _ := dockerTask(t)
|
|
task2, _, _ := dockerTask(t)
|
|
task3, _, _ := dockerTask(t)
|
|
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, _ := dockerTask(t)
|
|
tcfg1 := newTaskConfig("", []string{"echo", "hello"})
|
|
cfg1.Image = tcfg1.Image
|
|
cfg1.LoadImage = tcfg1.LoadImage
|
|
require.NoError(task1.EncodeConcreteDriverConfig(cfg1))
|
|
|
|
task2, cfg2, _ := dockerTask(t)
|
|
tcfg2 := newTaskConfig("musl", []string{"echo", "hello"})
|
|
cfg2.Image = tcfg2.Image
|
|
cfg2.LoadImage = tcfg2.LoadImage
|
|
require.NoError(task2.EncodeConcreteDriverConfig(cfg2))
|
|
|
|
task3, cfg3, _ := dockerTask(t)
|
|
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, _ := dockerTask(t)
|
|
cfg.Labels = map[string]string{
|
|
"label1": "value1",
|
|
"label2": "value2",
|
|
}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
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 1 additional standard labels
|
|
require.Equal(t, len(cfg.Labels)+1, 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, _ := dockerTask(t)
|
|
cfg.ForcePull = true
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
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, _ := dockerTask(t)
|
|
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)
|
|
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_SecurityOpt(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Windows does not support seccomp")
|
|
}
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.SecurityOpt = []string{"seccomp=unconfined"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
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_CreateContainerConfig(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
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_User(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
task.User = "random-user-1"
|
|
|
|
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, task.User, c.Config.User)
|
|
}
|
|
|
|
func TestDockerDriver_CreateContainerConfig_Labels(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
task.AllocID = uuid.Generate()
|
|
task.JobName = "redis-demo-job"
|
|
|
|
cfg.Labels = map[string]string{
|
|
"user_label": "user_value",
|
|
|
|
// com.hashicorp.nomad. labels are reserved and
|
|
// cannot be overridden
|
|
"com.hashicorp.nomad.alloc_id": "bad_value",
|
|
}
|
|
|
|
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)
|
|
|
|
expectedLabels := map[string]string{
|
|
// user provided labels
|
|
"user_label": "user_value",
|
|
// default labels
|
|
"com.hashicorp.nomad.alloc_id": task.AllocID,
|
|
}
|
|
|
|
require.Equal(t, expectedLabels, c.Config.Labels)
|
|
}
|
|
|
|
func TestDockerDriver_CreateContainerConfig_Logging(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
cases := []struct {
|
|
name string
|
|
loggingConfig DockerLogging
|
|
expectedConfig DockerLogging
|
|
}{
|
|
{
|
|
"simple type",
|
|
DockerLogging{Type: "fluentd"},
|
|
DockerLogging{
|
|
Type: "fluentd",
|
|
Config: map[string]string{},
|
|
},
|
|
},
|
|
{
|
|
"simple driver",
|
|
DockerLogging{Driver: "fluentd"},
|
|
DockerLogging{
|
|
Type: "fluentd",
|
|
Config: map[string]string{},
|
|
},
|
|
},
|
|
{
|
|
"type takes precedence",
|
|
DockerLogging{
|
|
Type: "json-file",
|
|
Driver: "fluentd",
|
|
},
|
|
DockerLogging{
|
|
Type: "json-file",
|
|
Config: map[string]string{},
|
|
},
|
|
},
|
|
{
|
|
"user config takes precedence, even if no type provided",
|
|
DockerLogging{
|
|
Type: "",
|
|
Config: map[string]string{"max-file": "3", "max-size": "10m"},
|
|
},
|
|
DockerLogging{
|
|
Type: "",
|
|
Config: map[string]string{"max-file": "3", "max-size": "10m"},
|
|
},
|
|
},
|
|
{
|
|
"defaults to json-file w/ log rotation",
|
|
DockerLogging{
|
|
Type: "",
|
|
},
|
|
DockerLogging{
|
|
Type: "json-file",
|
|
Config: map[string]string{"max-file": "2", "max-size": "2m"},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(c.name, func(t *testing.T) {
|
|
task, cfg, _ := dockerTask(t)
|
|
|
|
cfg.Logging = c.loggingConfig
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
dh := dockerDriverHarness(t, nil)
|
|
driver := dh.Impl().(*Driver)
|
|
|
|
cc, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, c.expectedConfig.Type, cc.HostConfig.LogConfig.Type)
|
|
require.Equal(t, c.expectedConfig.Config["max-file"], cc.HostConfig.LogConfig.Config["max-file"])
|
|
require.Equal(t, c.expectedConfig.Config["max-size"], cc.HostConfig.LogConfig.Config["max-size"])
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_CreateContainerConfigWithRuntimes(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
if !testutil.DockerIsConnected(t) {
|
|
t.Skip("Docker not connected")
|
|
}
|
|
if runtime.GOOS != "linux" {
|
|
t.Skip("nvidia plugin supports only linux")
|
|
}
|
|
testCases := []struct {
|
|
description string
|
|
gpuRuntimeSet bool
|
|
expectToReturnError bool
|
|
expectedRuntime string
|
|
nvidiaDevicesProvided bool
|
|
}{
|
|
{
|
|
description: "gpu devices are provided, docker driver was able to detect nvidia-runtime 1",
|
|
gpuRuntimeSet: true,
|
|
expectToReturnError: false,
|
|
expectedRuntime: "nvidia",
|
|
nvidiaDevicesProvided: true,
|
|
},
|
|
{
|
|
description: "gpu devices are provided, docker driver was able to detect nvidia-runtime 2",
|
|
gpuRuntimeSet: true,
|
|
expectToReturnError: false,
|
|
expectedRuntime: "nvidia-runtime-modified-name",
|
|
nvidiaDevicesProvided: true,
|
|
},
|
|
{
|
|
description: "no gpu devices provided - no runtime should be set",
|
|
gpuRuntimeSet: true,
|
|
expectToReturnError: false,
|
|
expectedRuntime: "nvidia",
|
|
nvidiaDevicesProvided: false,
|
|
},
|
|
{
|
|
description: "no gpuRuntime supported by docker driver",
|
|
gpuRuntimeSet: false,
|
|
expectToReturnError: true,
|
|
expectedRuntime: "nvidia",
|
|
nvidiaDevicesProvided: true,
|
|
},
|
|
}
|
|
for _, testCase := range testCases {
|
|
t.Run(testCase.description, func(t *testing.T) {
|
|
task, cfg, _ := dockerTask(t)
|
|
|
|
dh := dockerDriverHarness(t, nil)
|
|
driver := dh.Impl().(*Driver)
|
|
|
|
driver.gpuRuntime = testCase.gpuRuntimeSet
|
|
driver.config.GPURuntimeName = testCase.expectedRuntime
|
|
if testCase.nvidiaDevicesProvided {
|
|
task.DeviceEnv[nvidia.NvidiaVisibleDevices] = "GPU_UUID_1"
|
|
}
|
|
|
|
c, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
|
|
if testCase.expectToReturnError {
|
|
require.NotNil(t, err)
|
|
} else {
|
|
require.NoError(t, err)
|
|
if testCase.nvidiaDevicesProvided {
|
|
require.Equal(t, testCase.expectedRuntime, c.HostConfig.Runtime)
|
|
} else {
|
|
// no nvidia devices provided -> no point to use nvidia runtime
|
|
require.Equal(t, "", c.HostConfig.Runtime)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_Capabilities(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Capabilities not supported on windows")
|
|
}
|
|
|
|
testCases := []struct {
|
|
Name string
|
|
CapAdd []string
|
|
CapDrop []string
|
|
Whitelist string
|
|
StartError string
|
|
}{
|
|
{
|
|
Name: "default-whitelist-add-allowed",
|
|
CapAdd: []string{"fowner", "mknod"},
|
|
CapDrop: []string{"all"},
|
|
},
|
|
{
|
|
Name: "default-whitelist-add-forbidden",
|
|
CapAdd: []string{"net_admin"},
|
|
StartError: "net_admin",
|
|
},
|
|
{
|
|
Name: "default-whitelist-drop-existing",
|
|
CapDrop: []string{"fowner", "mknod"},
|
|
},
|
|
{
|
|
Name: "restrictive-whitelist-drop-all",
|
|
CapDrop: []string{"all"},
|
|
Whitelist: "fowner,mknod",
|
|
},
|
|
{
|
|
Name: "restrictive-whitelist-add-allowed",
|
|
CapAdd: []string{"fowner", "mknod"},
|
|
CapDrop: []string{"all"},
|
|
Whitelist: "fowner,mknod",
|
|
},
|
|
{
|
|
Name: "restrictive-whitelist-add-forbidden",
|
|
CapAdd: []string{"net_admin", "mknod"},
|
|
CapDrop: []string{"all"},
|
|
Whitelist: "fowner,mknod",
|
|
StartError: "net_admin",
|
|
},
|
|
{
|
|
Name: "permissive-whitelist",
|
|
CapAdd: []string{"net_admin", "mknod"},
|
|
Whitelist: "all",
|
|
},
|
|
{
|
|
Name: "permissive-whitelist-add-all",
|
|
CapAdd: []string{"all"},
|
|
Whitelist: "all",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.Name, func(t *testing.T) {
|
|
client := newTestDockerClient(t)
|
|
task, cfg, _ := dockerTask(t)
|
|
if len(tc.CapAdd) > 0 {
|
|
cfg.CapAdd = tc.CapAdd
|
|
}
|
|
if len(tc.CapDrop) > 0 {
|
|
cfg.CapDrop = tc.CapDrop
|
|
}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
d := dockerDriverHarness(t, nil)
|
|
dockerDriver, ok := d.Impl().(*Driver)
|
|
require.True(t, ok)
|
|
if tc.Whitelist != "" {
|
|
dockerDriver.config.AllowCaps = strings.Split(tc.Whitelist, ",")
|
|
}
|
|
|
|
cleanup := d.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
|
|
_, _, err := d.StartTask(task)
|
|
defer d.DestroyTask(task.ID, true)
|
|
if err == nil && tc.StartError != "" {
|
|
t.Fatalf("Expected error in start: %v", tc.StartError)
|
|
} else if err != nil {
|
|
if tc.StartError == "" {
|
|
require.NoError(t, err)
|
|
} else {
|
|
require.Contains(t, err.Error(), tc.StartError)
|
|
}
|
|
return
|
|
}
|
|
|
|
handle, ok := dockerDriver.tasks.Get(task.ID)
|
|
require.True(t, ok)
|
|
|
|
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
require.Exactly(t, tc.CapAdd, container.HostConfig.CapAdd)
|
|
require.Exactly(t, tc.CapDrop, container.HostConfig.CapDrop)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_DNS(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.DNSServers = []string{"8.8.8.8", "8.8.4.4"}
|
|
cfg.DNSSearchDomains = []string{"example.com", "example.org", "example.net"}
|
|
cfg.DNSOptions = []string{"ndots:1"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
|
|
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
require.Exactly(t, cfg.DNSServers, container.HostConfig.DNS)
|
|
require.Exactly(t, cfg.DNSSearchDomains, container.HostConfig.DNSSearch)
|
|
require.Exactly(t, cfg.DNSOptions, container.HostConfig.DNSOptions)
|
|
}
|
|
|
|
func TestDockerDriver_MACAddress(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Windows docker does not support setting MacAddress")
|
|
}
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.MacAddress = "00:16:3e:00:00:00"
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
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, cfg.MacAddress, container.NetworkSettings.MacAddress)
|
|
}
|
|
|
|
func TestDockerWorkDir(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.WorkDir = "/some/path"
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
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, cfg.WorkDir, filepath.ToSlash(container.Config.WorkingDir))
|
|
}
|
|
|
|
func inSlice(needle string, haystack []string) bool {
|
|
for _, h := range haystack {
|
|
if h == needle {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func TestDockerDriver_PortsNoMap(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, _, port := dockerTask(t)
|
|
res := port[0]
|
|
dyn := port[1]
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
// Verify that the correct ports are EXPOSED
|
|
expectedExposedPorts := map[docker.Port]struct{}{
|
|
docker.Port(fmt.Sprintf("%d/tcp", res)): {},
|
|
docker.Port(fmt.Sprintf("%d/udp", res)): {},
|
|
docker.Port(fmt.Sprintf("%d/tcp", dyn)): {},
|
|
docker.Port(fmt.Sprintf("%d/udp", dyn)): {},
|
|
}
|
|
|
|
require.Exactly(t, expectedExposedPorts, container.Config.ExposedPorts)
|
|
|
|
hostIP := "127.0.0.1"
|
|
if runtime.GOOS == "windows" {
|
|
hostIP = ""
|
|
}
|
|
|
|
// Verify that the correct ports are FORWARDED
|
|
expectedPortBindings := map[docker.Port][]docker.PortBinding{
|
|
docker.Port(fmt.Sprintf("%d/tcp", res)): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port(fmt.Sprintf("%d/udp", res)): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port(fmt.Sprintf("%d/tcp", dyn)): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
docker.Port(fmt.Sprintf("%d/udp", dyn)): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
}
|
|
|
|
require.Exactly(t, expectedPortBindings, container.HostConfig.PortBindings)
|
|
}
|
|
|
|
func TestDockerDriver_PortsMapping(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, port := dockerTask(t)
|
|
res := port[0]
|
|
dyn := port[1]
|
|
cfg.PortMap = map[string]int{
|
|
"main": 8080,
|
|
"REDIS": 6379,
|
|
}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
// Verify that the port environment variables are set
|
|
require.Contains(t, container.Config.Env, "NOMAD_PORT_main=8080")
|
|
require.Contains(t, container.Config.Env, "NOMAD_PORT_REDIS=6379")
|
|
|
|
// Verify that the correct ports are EXPOSED
|
|
expectedExposedPorts := map[docker.Port]struct{}{
|
|
docker.Port("8080/tcp"): {},
|
|
docker.Port("8080/udp"): {},
|
|
docker.Port("6379/tcp"): {},
|
|
docker.Port("6379/udp"): {},
|
|
}
|
|
|
|
require.Exactly(t, expectedExposedPorts, container.Config.ExposedPorts)
|
|
|
|
hostIP := "127.0.0.1"
|
|
if runtime.GOOS == "windows" {
|
|
hostIP = ""
|
|
}
|
|
|
|
// Verify that the correct ports are FORWARDED
|
|
expectedPortBindings := map[docker.Port][]docker.PortBinding{
|
|
docker.Port("8080/tcp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port("8080/udp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port("6379/tcp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
docker.Port("6379/udp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
}
|
|
require.Exactly(t, expectedPortBindings, container.HostConfig.PortBindings)
|
|
}
|
|
|
|
func TestDockerDriver_CreateContainerConfig_PortsMapping(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
task, cfg, port := dockerTask(t)
|
|
res := port[0]
|
|
dyn := port[1]
|
|
cfg.PortMap = map[string]int{
|
|
"main": 8080,
|
|
"REDIS": 6379,
|
|
}
|
|
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.Contains(t, c.Config.Env, "NOMAD_PORT_main=8080")
|
|
require.Contains(t, c.Config.Env, "NOMAD_PORT_REDIS=6379")
|
|
|
|
// Verify that the correct ports are FORWARDED
|
|
hostIP := "127.0.0.1"
|
|
if runtime.GOOS == "windows" {
|
|
hostIP = ""
|
|
}
|
|
expectedPortBindings := map[docker.Port][]docker.PortBinding{
|
|
docker.Port("8080/tcp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port("8080/udp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", res)}},
|
|
docker.Port("6379/tcp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
docker.Port("6379/udp"): {{HostIP: hostIP, HostPort: fmt.Sprintf("%d", dyn)}},
|
|
}
|
|
require.Exactly(t, expectedPortBindings, c.HostConfig.PortBindings)
|
|
|
|
}
|
|
|
|
func TestDockerDriver_CleanupContainer(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "echo"
|
|
cfg.Args = []string{"hello"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, d, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
|
|
waitCh, err := d.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("err: %v", res)
|
|
}
|
|
|
|
err = d.DestroyTask(task.ID, false)
|
|
require.NoError(t, err)
|
|
|
|
time.Sleep(3 * time.Second)
|
|
|
|
// Ensure that the container isn't present
|
|
_, err := client.InspectContainer(handle.containerID)
|
|
if err == nil {
|
|
t.Fatalf("expected to not get container")
|
|
}
|
|
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_EnableImageGC(t *testing.T) {
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "echo"
|
|
cfg.Args = []string{"hello"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client := newTestDockerClient(t)
|
|
driver := dockerDriverHarness(t, map[string]interface{}{
|
|
"gc": map[string]interface{}{
|
|
"container": true,
|
|
"image": true,
|
|
"image_delay": "2s",
|
|
},
|
|
})
|
|
cleanup := driver.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
|
|
cleanSlate(client, cfg.Image)
|
|
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
_, _, err := driver.StartTask(task)
|
|
require.NoError(t, err)
|
|
|
|
dockerDriver, ok := driver.Impl().(*Driver)
|
|
require.True(t, ok)
|
|
_, ok = dockerDriver.tasks.Get(task.ID)
|
|
require.True(t, ok)
|
|
|
|
waitCh, err := dockerDriver.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("err: %v", res)
|
|
}
|
|
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
|
|
// we haven't called DestroyTask, image should be present
|
|
_, err = client.InspectImage(cfg.Image)
|
|
require.NoError(t, err)
|
|
|
|
err = dockerDriver.DestroyTask(task.ID, false)
|
|
require.NoError(t, err)
|
|
|
|
// image_delay is 3s, so image should still be around for a bit
|
|
_, err = client.InspectImage(cfg.Image)
|
|
require.NoError(t, err)
|
|
|
|
// Ensure image was removed
|
|
tu.WaitForResult(func() (bool, error) {
|
|
if _, err := client.InspectImage(cfg.Image); err == nil {
|
|
return false, fmt.Errorf("image exists but should have been removed. Does another %v container exist?", cfg.Image)
|
|
}
|
|
|
|
return true, nil
|
|
}, func(err error) {
|
|
require.NoError(t, err)
|
|
})
|
|
}
|
|
|
|
func TestDockerDriver_DisableImageGC(t *testing.T) {
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "echo"
|
|
cfg.Args = []string{"hello"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client := newTestDockerClient(t)
|
|
driver := dockerDriverHarness(t, map[string]interface{}{
|
|
"gc": map[string]interface{}{
|
|
"container": true,
|
|
"image": false,
|
|
"image_delay": "1s",
|
|
},
|
|
})
|
|
cleanup := driver.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
|
|
cleanSlate(client, cfg.Image)
|
|
|
|
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)
|
|
|
|
waitCh, err := dockerDriver.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("err: %v", res)
|
|
}
|
|
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
|
|
// we haven't called DestroyTask, image should be present
|
|
_, err = client.InspectImage(handle.containerImage)
|
|
require.NoError(t, err)
|
|
|
|
err = dockerDriver.DestroyTask(task.ID, false)
|
|
require.NoError(t, err)
|
|
|
|
// image_delay is 1s, wait a little longer
|
|
time.Sleep(3 * time.Second)
|
|
|
|
// image should not have been removed or scheduled to be removed
|
|
_, err = client.InspectImage(cfg.Image)
|
|
require.NoError(t, err)
|
|
dockerDriver.coordinator.imageLock.Lock()
|
|
_, ok = dockerDriver.coordinator.deleteFuture[handle.containerImage]
|
|
require.False(t, ok, "image should not be registered for deletion")
|
|
dockerDriver.coordinator.imageLock.Unlock()
|
|
}
|
|
|
|
func TestDockerDriver_MissingContainer_Cleanup(t *testing.T) {
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "echo"
|
|
cfg.Args = []string{"hello"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client := newTestDockerClient(t)
|
|
driver := dockerDriverHarness(t, map[string]interface{}{
|
|
"gc": map[string]interface{}{
|
|
"container": true,
|
|
"image": true,
|
|
"image_delay": "0s",
|
|
},
|
|
})
|
|
cleanup := driver.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
|
|
cleanSlate(client, cfg.Image)
|
|
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
_, _, err := driver.StartTask(task)
|
|
require.NoError(t, err)
|
|
|
|
dockerDriver, ok := driver.Impl().(*Driver)
|
|
require.True(t, ok)
|
|
h, ok := dockerDriver.tasks.Get(task.ID)
|
|
require.True(t, ok)
|
|
|
|
waitCh, err := dockerDriver.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("err: %v", res)
|
|
}
|
|
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
|
|
// remove the container out-of-band
|
|
require.NoError(t, client.RemoveContainer(docker.RemoveContainerOptions{
|
|
ID: h.containerID,
|
|
}))
|
|
|
|
require.NoError(t, dockerDriver.DestroyTask(task.ID, false))
|
|
|
|
// Ensure image was removed
|
|
tu.WaitForResult(func() (bool, error) {
|
|
if _, err := client.InspectImage(cfg.Image); err == nil {
|
|
return false, fmt.Errorf("image exists but should have been removed. Does another %v container exist?", cfg.Image)
|
|
}
|
|
|
|
return true, nil
|
|
}, func(err error) {
|
|
require.NoError(t, err)
|
|
})
|
|
|
|
// Ensure that task handle was removed
|
|
_, ok = dockerDriver.tasks.Get(task.ID)
|
|
require.False(t, ok)
|
|
}
|
|
|
|
func TestDockerDriver_Stats(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "sleep"
|
|
cfg.Args = []string{"1000"}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
_, d, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
require.NoError(t, d.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
go func() {
|
|
defer d.DestroyTask(task.ID, true)
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
ch, err := handle.Stats(ctx, 1*time.Second)
|
|
assert.NoError(t, err)
|
|
select {
|
|
case ru := <-ch:
|
|
assert.NotNil(t, ru.ResourceUsage)
|
|
case <-time.After(3 * time.Second):
|
|
assert.Fail(t, "stats timeout")
|
|
}
|
|
}()
|
|
|
|
waitCh, err := d.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if res.Successful() {
|
|
t.Fatalf("should err: %v", res)
|
|
}
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*10) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func setupDockerVolumes(t *testing.T, cfg map[string]interface{}, hostpath string) (*drivers.TaskConfig, *dtestutil.DriverHarness, *TaskConfig, string, func()) {
|
|
testutil.DockerCompatible(t)
|
|
|
|
randfn := fmt.Sprintf("test-%d", rand.Int())
|
|
hostfile := filepath.Join(hostpath, randfn)
|
|
var containerPath string
|
|
if runtime.GOOS == "windows" {
|
|
containerPath = "C:\\data"
|
|
} else {
|
|
containerPath = "/mnt/vol"
|
|
}
|
|
containerFile := filepath.Join(containerPath, randfn)
|
|
|
|
taskCfg := newTaskConfig("", []string{"touch", containerFile})
|
|
taskCfg.Volumes = []string{fmt.Sprintf("%s:%s", hostpath, containerPath)}
|
|
|
|
task := &drivers.TaskConfig{
|
|
ID: uuid.Generate(),
|
|
Name: "ls",
|
|
AllocID: uuid.Generate(),
|
|
Env: map[string]string{"VOL_PATH": containerPath},
|
|
Resources: basicResources,
|
|
}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(taskCfg))
|
|
|
|
d := dockerDriverHarness(t, cfg)
|
|
cleanup := d.MkAllocDir(task, true)
|
|
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
|
|
return task, d, &taskCfg, hostfile, cleanup
|
|
}
|
|
|
|
func TestDockerDriver_VolumesDisabled(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
cfg := map[string]interface{}{
|
|
"volumes": map[string]interface{}{
|
|
"enabled": false,
|
|
},
|
|
"gc": map[string]interface{}{
|
|
"image": false,
|
|
},
|
|
}
|
|
|
|
{
|
|
tmpvol, err := ioutil.TempDir("", "nomadtest_docker_volumesdisabled")
|
|
if err != nil {
|
|
t.Fatalf("error creating temporary dir: %v", err)
|
|
}
|
|
|
|
task, driver, _, _, cleanup := setupDockerVolumes(t, cfg, tmpvol)
|
|
defer cleanup()
|
|
|
|
_, _, err = driver.StartTask(task)
|
|
defer driver.DestroyTask(task.ID, true)
|
|
if err == nil {
|
|
require.Fail(t, "Started driver successfully when volumes should have been disabled.")
|
|
}
|
|
}
|
|
|
|
// Relative paths should still be allowed
|
|
{
|
|
task, driver, _, fn, cleanup := setupDockerVolumes(t, cfg, ".")
|
|
defer cleanup()
|
|
|
|
_, _, err := driver.StartTask(task)
|
|
require.NoError(t, err)
|
|
defer driver.DestroyTask(task.ID, true)
|
|
|
|
waitCh, err := driver.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("unexpected err: %v", res)
|
|
}
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*10) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
|
|
if _, err := ioutil.ReadFile(filepath.Join(task.TaskDir().Dir, fn)); err != nil {
|
|
t.Fatalf("unexpected error reading %s: %v", fn, err)
|
|
}
|
|
}
|
|
|
|
// Volume Drivers should be rejected (error)
|
|
{
|
|
task, driver, taskCfg, _, cleanup := setupDockerVolumes(t, cfg, "fake_flocker_vol")
|
|
defer cleanup()
|
|
|
|
taskCfg.VolumeDriver = "flocker"
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(taskCfg))
|
|
|
|
_, _, err := driver.StartTask(task)
|
|
defer driver.DestroyTask(task.ID, true)
|
|
if err == nil {
|
|
require.Fail(t, "Started driver successfully when volume drivers should have been disabled.")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_VolumesEnabled(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
tmpvol, err := ioutil.TempDir("", "nomadtest_docker_volumesenabled")
|
|
require.NoError(t, err)
|
|
|
|
// Evaluate symlinks so it works on MacOS
|
|
tmpvol, err = filepath.EvalSymlinks(tmpvol)
|
|
require.NoError(t, err)
|
|
|
|
task, driver, _, hostpath, cleanup := setupDockerVolumes(t, nil, tmpvol)
|
|
defer cleanup()
|
|
|
|
_, _, err = driver.StartTask(task)
|
|
require.NoError(t, err)
|
|
defer driver.DestroyTask(task.ID, true)
|
|
|
|
waitCh, err := driver.WaitTask(context.Background(), task.ID)
|
|
require.NoError(t, err)
|
|
select {
|
|
case res := <-waitCh:
|
|
if !res.Successful() {
|
|
t.Fatalf("unexpected err: %v", res)
|
|
}
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*10) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
|
|
if _, err := ioutil.ReadFile(hostpath); err != nil {
|
|
t.Fatalf("unexpected error reading %s: %v", hostpath, err)
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_Mounts(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
goodMount := DockerMount{
|
|
Target: "/nomad",
|
|
VolumeOptions: DockerVolumeOptions{
|
|
Labels: map[string]string{"foo": "bar"},
|
|
DriverConfig: DockerVolumeDriverConfig{
|
|
Name: "local",
|
|
},
|
|
},
|
|
ReadOnly: true,
|
|
Source: "test",
|
|
}
|
|
|
|
if runtime.GOOS == "windows" {
|
|
goodMount.Target = "C:\\nomad"
|
|
}
|
|
|
|
cases := []struct {
|
|
Name string
|
|
Mounts []DockerMount
|
|
Error string
|
|
}{
|
|
{
|
|
Name: "good-one",
|
|
Error: "",
|
|
Mounts: []DockerMount{goodMount},
|
|
},
|
|
{
|
|
Name: "duplicate",
|
|
Error: "Duplicate mount point",
|
|
Mounts: []DockerMount{goodMount, goodMount, goodMount},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(c.Name, func(t *testing.T) {
|
|
d := dockerDriverHarness(t, nil)
|
|
// Build the task
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Command = "sleep"
|
|
cfg.Args = []string{"10000"}
|
|
cfg.Mounts = c.Mounts
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
cleanup := d.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
|
|
_, _, err := d.StartTask(task)
|
|
defer d.DestroyTask(task.ID, true)
|
|
if err == nil && c.Error != "" {
|
|
t.Fatalf("expected error: %v", c.Error)
|
|
} else if err != nil {
|
|
if c.Error == "" {
|
|
t.Fatalf("unexpected error in prestart: %v", err)
|
|
} else if !strings.Contains(err.Error(), c.Error) {
|
|
t.Fatalf("expected error %q; got %v", c.Error, err)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_AuthConfiguration(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
path := "./test-resources/docker/auth.json"
|
|
cases := []struct {
|
|
Repo string
|
|
AuthConfig *docker.AuthConfiguration
|
|
}{
|
|
{
|
|
Repo: "lolwhat.com/what:1337",
|
|
AuthConfig: nil,
|
|
},
|
|
{
|
|
Repo: "redis:3.2",
|
|
AuthConfig: &docker.AuthConfiguration{
|
|
Username: "test",
|
|
Password: "1234",
|
|
Email: "",
|
|
ServerAddress: "https://index.docker.io/v1/",
|
|
},
|
|
},
|
|
{
|
|
Repo: "quay.io/redis:3.2",
|
|
AuthConfig: &docker.AuthConfiguration{
|
|
Username: "test",
|
|
Password: "5678",
|
|
Email: "",
|
|
ServerAddress: "quay.io",
|
|
},
|
|
},
|
|
{
|
|
Repo: "other.io/redis:3.2",
|
|
AuthConfig: &docker.AuthConfiguration{
|
|
Username: "test",
|
|
Password: "abcd",
|
|
Email: "",
|
|
ServerAddress: "https://other.io/v1/",
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
act, err := authFromDockerConfig(path)(c.Repo)
|
|
require.NoError(t, err)
|
|
require.Exactly(t, c.AuthConfig, act)
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_AuthFromTaskConfig(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
|
|
cases := []struct {
|
|
Auth DockerAuth
|
|
AuthConfig *docker.AuthConfiguration
|
|
Desc string
|
|
}{
|
|
{
|
|
Auth: DockerAuth{},
|
|
AuthConfig: nil,
|
|
Desc: "Empty Config",
|
|
},
|
|
{
|
|
Auth: DockerAuth{
|
|
Username: "foo",
|
|
Password: "bar",
|
|
Email: "foo@bar.com",
|
|
ServerAddr: "www.foobar.com",
|
|
},
|
|
AuthConfig: &docker.AuthConfiguration{
|
|
Username: "foo",
|
|
Password: "bar",
|
|
Email: "foo@bar.com",
|
|
ServerAddress: "www.foobar.com",
|
|
},
|
|
Desc: "All fields set",
|
|
},
|
|
{
|
|
Auth: DockerAuth{
|
|
Username: "foo",
|
|
Password: "bar",
|
|
ServerAddr: "www.foobar.com",
|
|
},
|
|
AuthConfig: &docker.AuthConfiguration{
|
|
Username: "foo",
|
|
Password: "bar",
|
|
ServerAddress: "www.foobar.com",
|
|
},
|
|
Desc: "Email not set",
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(c.Desc, func(t *testing.T) {
|
|
act, err := authFromTaskConfig(&TaskConfig{Auth: c.Auth})("test")
|
|
require.NoError(t, err)
|
|
require.Exactly(t, c.AuthConfig, act)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_OOMKilled(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Windows does not support OOM Killer")
|
|
}
|
|
|
|
taskCfg := newTaskConfig("", []string{"sh", "-c", `sleep 2 && x=a && while true; do x="$x$x"; done`})
|
|
task := &drivers.TaskConfig{
|
|
ID: uuid.Generate(),
|
|
Name: "oom-killed",
|
|
AllocID: uuid.Generate(),
|
|
Resources: basicResources,
|
|
}
|
|
task.Resources.LinuxResources.MemoryLimitBytes = 10 * 1024 * 1024
|
|
task.Resources.NomadResources.Memory.MemoryMB = 10
|
|
|
|
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() {
|
|
t.Fatalf("expected error, but container exited successful")
|
|
}
|
|
|
|
if !res.OOMKilled {
|
|
t.Fatalf("not killed by OOM killer: %s", res.Err)
|
|
}
|
|
|
|
t.Logf("Successfully killed by OOM killer")
|
|
|
|
case <-time.After(time.Duration(tu.TestMultiplier()*5) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_Devices_IsInvalidConfig(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
brokenConfigs := []DockerDevice{
|
|
{
|
|
HostPath: "",
|
|
},
|
|
{
|
|
HostPath: "/dev/sda1",
|
|
CgroupPermissions: "rxb",
|
|
},
|
|
}
|
|
|
|
test_cases := []struct {
|
|
deviceConfig []DockerDevice
|
|
err error
|
|
}{
|
|
{brokenConfigs[:1], fmt.Errorf("host path must be set in configuration for devices")},
|
|
{brokenConfigs[1:], fmt.Errorf("invalid cgroup permission string: \"rxb\"")},
|
|
}
|
|
|
|
for _, tc := range test_cases {
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Devices = tc.deviceConfig
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
d := dockerDriverHarness(t, nil)
|
|
cleanup := d.MkAllocDir(task, true)
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
defer cleanup()
|
|
|
|
_, _, err := d.StartTask(task)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), tc.err.Error())
|
|
}
|
|
}
|
|
|
|
func TestDockerDriver_Device_Success(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
if runtime.GOOS != "linux" {
|
|
t.Skip("test device mounts only on linux")
|
|
}
|
|
|
|
hostPath := "/dev/random"
|
|
containerPath := "/dev/myrandom"
|
|
perms := "rwm"
|
|
|
|
expectedDevice := docker.Device{
|
|
PathOnHost: hostPath,
|
|
PathInContainer: containerPath,
|
|
CgroupPermissions: perms,
|
|
}
|
|
config := DockerDevice{
|
|
HostPath: hostPath,
|
|
ContainerPath: containerPath,
|
|
}
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Devices = []DockerDevice{config}
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, driver, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
require.NoError(t, driver.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
require.NotEmpty(t, container.HostConfig.Devices, "Expected one device")
|
|
require.Equal(t, expectedDevice, container.HostConfig.Devices[0], "Incorrect device ")
|
|
}
|
|
|
|
func TestDockerDriver_Entrypoint(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
entrypoint := []string{"sh", "-c"}
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.Entrypoint = entrypoint
|
|
cfg.Command = strings.Join(busyboxLongRunningCmd, " ")
|
|
cfg.Args = []string{}
|
|
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, driver, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
|
|
require.NoError(t, driver.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
require.Len(t, container.Config.Entrypoint, 2, "Expected one entrypoint")
|
|
require.Equal(t, entrypoint, container.Config.Entrypoint, "Incorrect entrypoint ")
|
|
}
|
|
|
|
func TestDockerDriver_ReadonlyRootfs(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Windows Docker does not support root filesystem in read-only mode")
|
|
}
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.ReadonlyRootfs = true
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client, driver, handle, cleanup := dockerSetup(t, task)
|
|
defer cleanup()
|
|
require.NoError(t, driver.WaitUntilStarted(task.ID, 5*time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
require.True(t, container.HostConfig.ReadonlyRootfs, "ReadonlyRootfs option not set")
|
|
}
|
|
|
|
// fakeDockerClient can be used in places that accept an interface for the
|
|
// docker client such as createContainer.
|
|
type fakeDockerClient struct{}
|
|
|
|
func (fakeDockerClient) CreateContainer(docker.CreateContainerOptions) (*docker.Container, error) {
|
|
return nil, fmt.Errorf("volume is attached on another node")
|
|
}
|
|
func (fakeDockerClient) InspectContainer(id string) (*docker.Container, error) {
|
|
panic("not implemented")
|
|
}
|
|
func (fakeDockerClient) ListContainers(docker.ListContainersOptions) ([]docker.APIContainers, error) {
|
|
panic("not implemented")
|
|
}
|
|
func (fakeDockerClient) RemoveContainer(opts docker.RemoveContainerOptions) error {
|
|
panic("not implemented")
|
|
}
|
|
|
|
// TestDockerDriver_VolumeError asserts volume related errors when creating a
|
|
// container are recoverable.
|
|
func TestDockerDriver_VolumeError(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
|
|
// setup
|
|
_, cfg, _ := dockerTask(t)
|
|
driver := dockerDriverHarness(t, nil)
|
|
|
|
// assert volume error is recoverable
|
|
_, err := driver.Impl().(*Driver).createContainer(fakeDockerClient{}, docker.CreateContainerOptions{Config: &docker.Config{}}, cfg.Image)
|
|
require.True(t, structs.IsRecoverable(err))
|
|
}
|
|
|
|
func TestDockerDriver_AdvertiseIPv6Address(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
expectedPrefix := "2001:db8:1::242:ac11"
|
|
expectedAdvertise := true
|
|
task, cfg, _ := dockerTask(t)
|
|
cfg.AdvertiseIPv6Addr = expectedAdvertise
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client := newTestDockerClient(t)
|
|
|
|
// Make sure IPv6 is enabled
|
|
net, err := client.NetworkInfo("bridge")
|
|
if err != nil {
|
|
t.Skip("error retrieving bridge network information, skipping")
|
|
}
|
|
if net == nil || !net.EnableIPv6 {
|
|
t.Skip("IPv6 not enabled on bridge network, skipping")
|
|
}
|
|
|
|
driver := dockerDriverHarness(t, nil)
|
|
cleanup := driver.MkAllocDir(task, true)
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
defer cleanup()
|
|
|
|
_, network, err := driver.StartTask(task)
|
|
defer driver.DestroyTask(task.ID, true)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, expectedAdvertise, network.AutoAdvertise, "Wrong autoadvertise. Expect: %s, got: %s", expectedAdvertise, network.AutoAdvertise)
|
|
|
|
if !strings.HasPrefix(network.IP, expectedPrefix) {
|
|
t.Fatalf("Got IP address %q want ip address with prefix %q", network.IP, expectedPrefix)
|
|
}
|
|
|
|
handle, ok := driver.Impl().(*Driver).tasks.Get(task.ID)
|
|
require.True(t, ok)
|
|
|
|
require.NoError(t, driver.WaitUntilStarted(task.ID, time.Second))
|
|
|
|
container, err := client.InspectContainer(handle.containerID)
|
|
require.NoError(t, err)
|
|
|
|
if !strings.HasPrefix(container.NetworkSettings.GlobalIPv6Address, expectedPrefix) {
|
|
t.Fatalf("Got GlobalIPv6address %s want GlobalIPv6address with prefix %s", expectedPrefix, container.NetworkSettings.GlobalIPv6Address)
|
|
}
|
|
}
|
|
|
|
func TestParseDockerImage(t *testing.T) {
|
|
tests := []struct {
|
|
Image string
|
|
Repo string
|
|
Tag string
|
|
}{
|
|
{"library/hello-world:1.0", "library/hello-world", "1.0"},
|
|
{"library/hello-world", "library/hello-world", "latest"},
|
|
{"library/hello-world:latest", "library/hello-world", "latest"},
|
|
{"library/hello-world@sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77", "library/hello-world@sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77", ""},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.Image, func(t *testing.T) {
|
|
repo, tag := parseDockerImage(test.Image)
|
|
require.Equal(t, test.Repo, repo)
|
|
require.Equal(t, test.Tag, tag)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDockerImageRef(t *testing.T) {
|
|
tests := []struct {
|
|
Image string
|
|
Repo string
|
|
Tag string
|
|
}{
|
|
{"library/hello-world:1.0", "library/hello-world", "1.0"},
|
|
{"library/hello-world:latest", "library/hello-world", "latest"},
|
|
{"library/hello-world@sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77", "library/hello-world@sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77", ""},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.Image, func(t *testing.T) {
|
|
image := dockerImageRef(test.Repo, test.Tag)
|
|
require.Equal(t, test.Image, image)
|
|
})
|
|
}
|
|
}
|
|
|
|
func waitForExist(t *testing.T, client *docker.Client, containerID string) {
|
|
tu.WaitForResult(func() (bool, error) {
|
|
container, err := client.InspectContainer(containerID)
|
|
if err != nil {
|
|
if _, ok := err.(*docker.NoSuchContainer); !ok {
|
|
return false, err
|
|
}
|
|
}
|
|
|
|
return container != nil, nil
|
|
}, func(err error) {
|
|
require.NoError(t, err)
|
|
})
|
|
}
|
|
|
|
// TestDockerDriver_CreationIdempotent asserts that createContainer and
|
|
// and startContainers functions are idempotent, as we have some retry
|
|
// logic there without ensureing we delete/destroy containers
|
|
func TestDockerDriver_CreationIdempotent(t *testing.T) {
|
|
if !tu.IsCI() {
|
|
t.Parallel()
|
|
}
|
|
testutil.DockerCompatible(t)
|
|
|
|
task, cfg, _ := dockerTask(t)
|
|
require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
|
|
|
|
client := newTestDockerClient(t)
|
|
driver := dockerDriverHarness(t, nil)
|
|
cleanup := driver.MkAllocDir(task, true)
|
|
defer cleanup()
|
|
|
|
copyImage(t, task.TaskDir(), "busybox.tar")
|
|
|
|
d, ok := driver.Impl().(*Driver)
|
|
require.True(t, ok)
|
|
|
|
_, err := d.createImage(task, cfg, client)
|
|
require.NoError(t, err)
|
|
|
|
containerCfg, err := d.createContainerConfig(task, cfg, cfg.Image)
|
|
require.NoError(t, err)
|
|
|
|
c, err := d.createContainer(client, containerCfg, cfg.Image)
|
|
require.NoError(t, err)
|
|
defer client.RemoveContainer(docker.RemoveContainerOptions{
|
|
ID: c.ID,
|
|
Force: true,
|
|
})
|
|
|
|
// calling createContainer again creates a new one and remove old one
|
|
c2, err := d.createContainer(client, containerCfg, cfg.Image)
|
|
require.NoError(t, err)
|
|
defer client.RemoveContainer(docker.RemoveContainerOptions{
|
|
ID: c2.ID,
|
|
Force: true,
|
|
})
|
|
|
|
require.NotEqual(t, c.ID, c2.ID)
|
|
// old container was destroyed
|
|
{
|
|
_, err := client.InspectContainer(c.ID)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), NoSuchContainerError)
|
|
}
|
|
|
|
// now start container twice
|
|
require.NoError(t, d.startContainer(c2))
|
|
require.NoError(t, d.startContainer(c2))
|
|
|
|
tu.WaitForResult(func() (bool, error) {
|
|
c, err := client.InspectContainer(c2.ID)
|
|
if err != nil {
|
|
return false, fmt.Errorf("failed to get container status: %v", err)
|
|
}
|
|
|
|
if !c.State.Running {
|
|
return false, fmt.Errorf("container is not running but %v", c.State)
|
|
}
|
|
|
|
return true, nil
|
|
}, func(err error) {
|
|
require.NoError(t, err)
|
|
})
|
|
}
|