containerd/container_test.go
Michael Crosby fa9e9bdf46 Fetch current container info before operations
This makes sure the client is always in sync with the server before
performing any type of operations on the container metadata.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-10-04 15:29:57 -04:00

1537 lines
29 KiB
Go

package containerd
import (
"bytes"
"context"
"io/ioutil"
"os"
"runtime"
"strings"
"syscall"
"testing"
"time"
// Register the typeurl
"github.com/containerd/containerd/containers"
_ "github.com/containerd/containerd/runtime"
"github.com/containerd/typeurl"
"github.com/containerd/containerd/errdefs"
gogotypes "github.com/gogo/protobuf/types"
)
func empty() IOCreation {
// TODO (@mlaventure) windows searches for pipes
// when none are provided
if runtime.GOOS == "windows" {
return Stdio
}
return NullIO
}
func TestContainerList(t *testing.T) {
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
ctx, cancel := testContext()
defer cancel()
containers, err := client.Containers(ctx)
if err != nil {
t.Errorf("container list returned error %v", err)
return
}
if len(containers) != 0 {
t.Errorf("expected 0 containers but received %d", len(containers))
}
}
func TestNewContainer(t *testing.T) {
t.Parallel()
id := t.Name()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
ctx, cancel := testContext()
defer cancel()
container, err := client.NewContainer(ctx, id, WithNewSpec())
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx)
if container.ID() != id {
t.Errorf("expected container id %q but received %q", id, container.ID())
}
if _, err = container.Spec(ctx); err != nil {
t.Error(err)
return
}
if err := container.Delete(ctx); err != nil {
t.Error(err)
return
}
}
func TestContainerStart(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withExitStatus(7)), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if pid := task.Pid(); pid <= 0 {
t.Errorf("invalid task pid %d", pid)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
task.Delete(ctx)
return
}
status := <-statusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 7 {
t.Errorf("expected status 7 from wait but received %d", code)
}
deleteStatus, err := task.Delete(ctx)
if err != nil {
t.Error(err)
return
}
if ec := deleteStatus.ExitCode(); ec != 7 {
t.Errorf("expected status 7 from delete but received %d", ec)
}
}
func TestContainerOutput(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
expected = "kingkoye"
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("echo", expected)), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
stdout := bytes.NewBuffer(nil)
task, err := container.NewTask(ctx, NewIO(bytes.NewBuffer(nil), stdout, bytes.NewBuffer(nil)))
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
status := <-statusC
code, _, _ := status.Result()
if code != 0 {
t.Errorf("expected status 0 but received %d", code)
}
if _, err := task.Delete(ctx); err != nil {
t.Error(err)
return
}
actual := stdout.String()
// echo adds a new line
expected = expected + newLine
if actual != expected {
t.Errorf("expected output %q but received %q", expected, actual)
}
}
func TestContainerExec(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
finishedC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
// start an exec process without running the original container process info
processSpec := spec.Process
withExecExitStatus(processSpec, 6)
execID := t.Name() + "_exec"
process, err := task.Exec(ctx, execID, processSpec, empty())
if err != nil {
t.Error(err)
return
}
processStatusC, err := process.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := process.Start(ctx); err != nil {
t.Error(err)
return
}
// wait for the exec to return
status := <-processStatusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 6 {
t.Errorf("expected exec exit code 6 but received %d", code)
}
deleteStatus, err := process.Delete(ctx)
if err != nil {
t.Error(err)
return
}
if ec := deleteStatus.ExitCode(); ec != 6 {
t.Errorf("expected delete exit code 6 but received %d", ec)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
}
<-finishedC
}
func TestContainerPids(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
pid := task.Pid()
if pid <= 0 {
t.Errorf("invalid task pid %d", pid)
}
processes, err := task.Pids(ctx)
if err != nil {
t.Error(err)
return
}
if l := len(processes); l != 1 {
t.Errorf("expected 1 process but received %d", l)
}
if len(processes) > 0 {
actual := processes[0]
if pid != actual {
t.Errorf("expected pid %d but received %d", pid, actual)
}
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
}
<-statusC
}
func TestContainerCloseIO(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withCat()), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
const expected = "hello" + newLine
stdout := bytes.NewBuffer(nil)
r, w, err := os.Pipe()
if err != nil {
t.Error(err)
return
}
task, err := container.NewTask(ctx, NewIO(r, stdout, ioutil.Discard))
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
w.Close()
if err := task.CloseIO(ctx, WithStdinCloser); err != nil {
t.Error(err)
}
<-statusC
}
func TestDeleteRunningContainer(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
err = container.Delete(ctx, WithSnapshotCleanup)
if err == nil {
t.Error("delete did not error with running task")
}
if !errdefs.IsFailedPrecondition(err) {
t.Errorf("expected error %q but received %q", errdefs.ErrFailedPrecondition, err)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
return
}
<-statusC
}
func TestContainerKill(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "10")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
return
}
<-statusC
err = task.Kill(ctx, syscall.SIGTERM)
if err == nil {
t.Error("second call to kill should return an error")
return
}
if !errdefs.IsNotFound(err) {
t.Errorf("expected error %q but received %q", errdefs.ErrNotFound, err)
}
}
func TestContainerNoBinaryExists(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), WithProcessArgs("nothing")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
switch runtime.GOOS {
case "windows":
if err != nil {
t.Fatalf("failed to create task %v", err)
}
defer task.Delete(ctx, WithProcessKill)
if err := task.Start(ctx); err == nil {
t.Error("task.Start() should return an error when binary does not exist")
}
default:
if err == nil {
t.Error("NewTask should return an error when binary does not exist")
task.Delete(ctx)
}
}
}
func TestContainerExecNoBinaryExists(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
finishedC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
// start an exec process without running the original container process
processSpec := spec.Process
processSpec.Args = []string{
"none",
}
execID := t.Name() + "_exec"
process, err := task.Exec(ctx, execID, processSpec, empty())
if err != nil {
t.Error(err)
return
}
defer process.Delete(ctx)
if err := process.Start(ctx); err == nil {
t.Error("Process.Start should fail when process does not exist")
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
}
<-finishedC
}
func TestUserNamespaces(t *testing.T) {
t.Parallel()
t.Run("WritableRootFS", func(t *testing.T) { testUserNamespaces(t, false) })
// see #1373 and runc#1572
t.Run("ReadonlyRootFS", func(t *testing.T) { testUserNamespaces(t, true) })
}
func testUserNamespaces(t *testing.T, readonlyRootFS bool) {
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = strings.Replace(t.Name(), "/", "-", -1)
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
opts := []NewContainerOpts{WithNewSpec(withImageConfig(image),
withExitStatus(7),
withUserNamespace(0, 1000, 10000),
)}
if readonlyRootFS {
opts = append(opts, withRemappedSnapshotView(id, image, 1000, 1000))
} else {
opts = append(opts, withRemappedSnapshot(id, image, 1000, 1000))
}
container, err := client.NewContainer(ctx, id, opts...)
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if pid := task.Pid(); pid <= 0 {
t.Errorf("invalid task pid %d", pid)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
task.Delete(ctx)
return
}
status := <-statusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 7 {
t.Errorf("expected status 7 from wait but received %d", code)
}
deleteStatus, err := task.Delete(ctx)
if err != nil {
t.Error(err)
return
}
if ec := deleteStatus.ExitCode(); ec != 7 {
t.Errorf("expected status 7 from delete but received %d", ec)
}
}
func TestWaitStoppedTask(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withExitStatus(7)), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if pid := task.Pid(); pid <= 0 {
t.Errorf("invalid task pid %d", pid)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
task.Delete(ctx)
return
}
// wait for the task to stop then call wait again
<-statusC
statusC, err = task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
status := <-statusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 7 {
t.Errorf("exit status from stopped task should be 7 but received %d", code)
}
}
func TestWaitStoppedProcess(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
finishedC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
// start an exec process without running the original container process info
processSpec := spec.Process
withExecExitStatus(processSpec, 6)
execID := t.Name() + "_exec"
process, err := task.Exec(ctx, execID, processSpec, empty())
if err != nil {
t.Error(err)
return
}
defer process.Delete(ctx)
statusC, err := process.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := process.Start(ctx); err != nil {
t.Error(err)
return
}
// wait for the exec to return
<-statusC
// try to wait on the process after it has stopped
statusC, err = process.Wait(ctx)
if err != nil {
t.Error(err)
return
}
status := <-statusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 6 {
t.Errorf("exit status from stopped process should be 6 but received %d", code)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
}
<-finishedC
}
func TestTaskForceDelete(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "30")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
if _, err := task.Delete(ctx); err == nil {
t.Error("task.Delete of a running task should create an error")
}
if _, err := task.Delete(ctx, WithProcessKill); err != nil {
t.Error(err)
return
}
}
func TestProcessForceDelete(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "30")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
// task must be started on windows
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
processSpec := spec.Process
withExecArgs(processSpec, "sleep", "20")
execID := t.Name() + "_exec"
process, err := task.Exec(ctx, execID, processSpec, empty())
if err != nil {
t.Error(err)
return
}
if err := process.Start(ctx); err != nil {
t.Error(err)
return
}
if _, err := process.Delete(ctx); err == nil {
t.Error("process.Delete should return an error when process is running")
}
if _, err := process.Delete(ctx, WithProcessKill); err != nil {
t.Error(err)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
return
}
<-statusC
}
func TestContainerHostname(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
expected = "myhostname"
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image),
withProcessArgs("hostname"),
WithHostname(expected),
),
withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
stdout := bytes.NewBuffer(nil)
task, err := container.NewTask(ctx, NewIO(bytes.NewBuffer(nil), stdout, bytes.NewBuffer(nil)))
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
status := <-statusC
code, _, err := status.Result()
if err != nil {
t.Error(err)
return
}
if code != 0 {
t.Errorf("expected status 0 but received %d", code)
}
if _, err := task.Delete(ctx); err != nil {
t.Error(err)
return
}
cutset := "\n"
if runtime.GOOS == "windows" {
cutset = "\r\n"
}
actual := strings.TrimSuffix(stdout.String(), cutset)
if actual != expected {
t.Errorf("expected output %q but received %q", expected, actual)
}
}
func TestContainerExitedAtSet(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withTrue()), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
}
startTime := time.Now()
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
status := <-statusC
code, _, _ := status.Result()
if code != 0 {
t.Errorf("expected status 0 but received %d", code)
}
if s, err := task.Status(ctx); err != nil {
t.Errorf("failed to retrieve status: %v", err)
} else if s.ExitTime.After(startTime) == false {
t.Errorf("exit time is not after start time: %v <= %v", startTime, s.ExitTime)
}
if _, err := task.Delete(ctx); err != nil {
t.Error(err)
return
}
}
func TestDeleteContainerExecCreated(t *testing.T) {
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), withProcessArgs("sleep", "100")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
finished, err := task.Wait(ctx)
if err != nil {
t.Error(err)
}
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
// start an exec process without running the original container process info
processSpec := spec.Process
withExecExitStatus(processSpec, 6)
execID := t.Name() + "_exec"
process, err := task.Exec(ctx, execID, processSpec, empty())
if err != nil {
t.Error(err)
return
}
deleteStatus, err := process.Delete(ctx)
if err != nil {
t.Error(err)
return
}
if ec := deleteStatus.ExitCode(); ec != 0 {
t.Errorf("expected delete exit code 0 but received %d", ec)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
}
<-finished
}
func TestContainerMetrics(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("metrics are currently not supported on windows")
}
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id, WithNewSpec(withImageConfig(image), WithProcessArgs("sleep", "30")), withNewSnapshot(id, image))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
metric, err := task.Metrics(ctx)
if err != nil {
t.Error(err)
}
if metric.ID != id {
t.Errorf("expected metric id %q but received %q", id, metric.ID)
}
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
t.Error(err)
return
}
<-statusC
}
func TestDeletedContainerMetrics(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("metrics are currently not supported on windows")
}
t.Parallel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
var (
image Image
ctx, cancel = testContext()
id = t.Name()
)
defer cancel()
if runtime.GOOS != "windows" {
image, err = client.GetImage(ctx, testImage)
if err != nil {
t.Error(err)
return
}
}
container, err := client.NewContainer(ctx, id,
WithNewSpec(withImageConfig(image), withExitStatus(0)),
withNewSnapshot(id, image),
)
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx, WithSnapshotCleanup)
task, err := container.NewTask(ctx, empty())
if err != nil {
t.Error(err)
return
}
defer task.Delete(ctx)
if err := task.Start(ctx); err != nil {
t.Error(err)
return
}
statusC, err := task.Wait(ctx)
if err != nil {
t.Error(err)
return
}
<-statusC
if _, err := task.Delete(ctx); err != nil {
t.Error(err)
return
}
if _, err := task.Metrics(ctx); err == nil {
t.Errorf("Getting metrics of deleted task should have failed")
}
}
func TestContainerExtensions(t *testing.T) {
t.Parallel()
ctx, cancel := testContext()
defer cancel()
id := t.Name()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
ext := gogotypes.Any{TypeUrl: "test.ext.url", Value: []byte("hello")}
container, err := client.NewContainer(ctx, id, WithNewSpec(), WithContainerExtension("hello", &ext))
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx)
checkExt := func(container Container) {
cExts, err := container.Extensions(ctx)
if err != nil {
t.Error(err)
return
}
if len(cExts) != 1 {
t.Errorf("expected 1 container extension")
}
if cExts["hello"].TypeUrl != ext.TypeUrl {
t.Errorf("got unexpected type url for extension: %s", cExts["hello"].TypeUrl)
}
if !bytes.Equal(cExts["hello"].Value, ext.Value) {
t.Errorf("expected extension value %q, got: %q", ext.Value, cExts["hello"].Value)
}
}
checkExt(container)
container, err = client.LoadContainer(ctx, container.ID())
if err != nil {
t.Error(err)
return
}
checkExt(container)
}
func TestContainerUpdate(t *testing.T) {
t.Parallel()
ctx, cancel := testContext()
defer cancel()
id := t.Name()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
container, err := client.NewContainer(ctx, id, WithNewSpec())
if err != nil {
t.Error(err)
return
}
defer container.Delete(ctx)
spec, err := container.Spec(ctx)
if err != nil {
t.Error(err)
return
}
const hostname = "updated-hostname"
spec.Hostname = hostname
if err := container.Update(ctx, func(ctx context.Context, client *Client, c *containers.Container) error {
a, err := typeurl.MarshalAny(spec)
if err != nil {
return err
}
c.Spec = a
return nil
}); err != nil {
t.Error(err)
return
}
if spec, err = container.Spec(ctx); err != nil {
t.Error(err)
return
}
if spec.Hostname != hostname {
t.Errorf("hostname %q != %q", spec.Hostname, hostname)
}
}