eb58ecab7c
This adds null IO option for efficient handling of IO. It provides a container directly with `/dev/null` and does not require any io.Copy within the shim whenever a user does not want the IO of the container. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
1344 lines
26 KiB
Go
1344 lines
26 KiB
Go
package containerd
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"runtime"
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"strings"
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"sync"
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"syscall"
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"testing"
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// Register the typeurl
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_ "github.com/containerd/containerd/runtime"
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"github.com/containerd/containerd/errdefs"
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)
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func empty() IOCreation {
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return NullIO
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}
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func TestContainerList(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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ctx, cancel := testContext()
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defer cancel()
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containers, err := client.Containers(ctx)
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if err != nil {
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t.Errorf("container list returned error %v", err)
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return
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}
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if len(containers) != 0 {
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t.Errorf("expected 0 containers but received %d", len(containers))
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}
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}
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func TestNewContainer(t *testing.T) {
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id := t.Name()
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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spec, err := generateSpec()
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if err != nil {
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t.Error(err)
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return
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}
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ctx, cancel := testContext()
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defer cancel()
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container, err := client.NewContainer(ctx, id, WithSpec(spec))
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx)
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if container.ID() != id {
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t.Errorf("expected container id %q but received %q", id, container.ID())
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}
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if _, err = container.Spec(); err != nil {
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t.Error(err)
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return
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}
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if err := container.Delete(ctx); err != nil {
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t.Error(err)
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return
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}
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}
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func TestContainerStart(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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var (
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image Image
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ctx, cancel = testContext()
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id = t.Name()
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)
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defer cancel()
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if runtime.GOOS != "windows" {
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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Error(err)
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return
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}
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}
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spec, err := generateSpec(withImageConfig(ctx, image), withExitStatus(7))
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if err != nil {
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t.Error(err)
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return
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}
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container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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task, err := container.NewTask(ctx, Stdio)
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if err != nil {
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t.Error(err)
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return
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}
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defer task.Delete(ctx)
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statusC := make(chan uint32, 1)
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go func() {
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status, err := task.Wait(ctx)
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if err != nil {
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t.Error(err)
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}
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statusC <- status
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}()
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if pid := task.Pid(); pid <= 0 {
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t.Errorf("invalid task pid %d", pid)
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}
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if err := task.Start(ctx); err != nil {
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t.Error(err)
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task.Delete(ctx)
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return
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}
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status := <-statusC
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if status != 7 {
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t.Errorf("expected status 7 from wait but received %d", status)
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}
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if status, err = task.Delete(ctx); err != nil {
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t.Error(err)
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return
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}
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if status != 7 {
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t.Errorf("expected status 7 from delete but received %d", status)
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}
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}
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func TestContainerOutput(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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var (
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image Image
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ctx, cancel = testContext()
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id = t.Name()
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expected = "kingkoye"
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)
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defer cancel()
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if runtime.GOOS != "windows" {
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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Error(err)
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return
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}
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}
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spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("echo", expected))
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if err != nil {
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t.Error(err)
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return
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}
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container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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stdout := bytes.NewBuffer(nil)
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task, err := container.NewTask(ctx, NewIO(bytes.NewBuffer(nil), stdout, bytes.NewBuffer(nil)))
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if err != nil {
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t.Error(err)
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return
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}
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defer task.Delete(ctx)
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statusC := make(chan uint32, 1)
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go func() {
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status, err := task.Wait(ctx)
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if err != nil {
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t.Error(err)
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}
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statusC <- status
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}()
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if err := task.Start(ctx); err != nil {
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t.Error(err)
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return
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}
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status := <-statusC
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if status != 0 {
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t.Errorf("expected status 0 but received %d", status)
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}
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if _, err := task.Delete(ctx); err != nil {
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t.Error(err)
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return
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}
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actual := stdout.String()
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// echo adds a new line
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expected = expected + newLine
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if actual != expected {
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t.Errorf("expected output %q but received %q", expected, actual)
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}
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}
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func TestContainerExec(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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var (
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image Image
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ctx, cancel = testContext()
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id = t.Name()
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)
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defer cancel()
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if runtime.GOOS != "windows" {
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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Error(err)
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return
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}
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}
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spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "100"))
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if err != nil {
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t.Error(err)
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return
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}
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container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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task, err := container.NewTask(ctx, empty())
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if err != nil {
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t.Error(err)
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return
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}
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defer task.Delete(ctx)
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finished := make(chan struct{}, 1)
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go func() {
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if _, err := task.Wait(ctx); err != nil {
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t.Error(err)
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}
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close(finished)
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}()
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if err := task.Start(ctx); err != nil {
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t.Error(err)
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return
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}
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// start an exec process without running the original container process info
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processSpec := spec.Process
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withExecExitStatus(processSpec, 6)
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execID := t.Name() + "_exec"
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process, err := task.Exec(ctx, execID, processSpec, empty())
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if err != nil {
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t.Error(err)
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return
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}
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processStatusC := make(chan uint32, 1)
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go func() {
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status, err := process.Wait(ctx)
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if err != nil {
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t.Error(err)
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}
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processStatusC <- status
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}()
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if err := process.Start(ctx); err != nil {
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t.Error(err)
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return
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}
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// wait for the exec to return
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status := <-processStatusC
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if status != 6 {
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t.Errorf("expected exec exit code 6 but received %d", status)
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}
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deleteStatus, err := process.Delete(ctx)
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if err != nil {
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t.Error(err)
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return
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}
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if deleteStatus != 6 {
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t.Errorf("expected delete exit code e6 but received %d", deleteStatus)
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}
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if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
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t.Error(err)
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}
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<-finished
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}
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func TestContainerPids(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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var (
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image Image
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ctx, cancel = testContext()
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id = t.Name()
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)
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defer cancel()
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if runtime.GOOS != "windows" {
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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Error(err)
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return
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}
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}
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spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "100"))
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if err != nil {
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t.Error(err)
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return
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}
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container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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task, err := container.NewTask(ctx, empty())
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if err != nil {
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t.Error(err)
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return
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}
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defer task.Delete(ctx)
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statusC := make(chan uint32, 1)
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go func() {
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status, err := task.Wait(ctx)
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if err != nil {
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t.Error(err)
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}
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statusC <- status
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}()
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if err := task.Start(ctx); err != nil {
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t.Error(err)
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return
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}
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pid := task.Pid()
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if pid <= 0 {
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t.Errorf("invalid task pid %d", pid)
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}
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processes, err := task.Pids(ctx)
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if err != nil {
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t.Error(err)
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return
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}
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if l := len(processes); l != 1 {
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t.Errorf("expected 1 process but received %d", l)
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}
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if len(processes) > 0 {
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actual := processes[0]
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if pid != actual {
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t.Errorf("expected pid %d but received %d", pid, actual)
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}
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}
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if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
|
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t.Error(err)
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}
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<-statusC
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}
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func TestContainerCloseIO(t *testing.T) {
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client, err := newClient(t, address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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var (
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image Image
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ctx, cancel = testContext()
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id = t.Name()
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)
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defer cancel()
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if runtime.GOOS != "windows" {
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image, err = client.GetImage(ctx, testImage)
|
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if err != nil {
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t.Error(err)
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return
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}
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}
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spec, err := generateSpec(withImageConfig(ctx, image), withCat())
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if err != nil {
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t.Error(err)
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return
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}
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container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
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if err != nil {
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t.Error(err)
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return
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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const expected = "hello" + newLine
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stdout := bytes.NewBuffer(nil)
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r, w, err := os.Pipe()
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if err != nil {
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t.Error(err)
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return
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}
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task, err := container.NewTask(ctx, NewIO(r, stdout, ioutil.Discard))
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if err != nil {
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t.Error(err)
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return
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}
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defer task.Delete(ctx)
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statusC := make(chan uint32, 1)
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go func() {
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status, err := task.Wait(ctx)
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if err != nil {
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t.Error(err)
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}
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statusC <- status
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}()
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|
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if err := task.Start(ctx); err != nil {
|
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t.Error(err)
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return
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}
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|
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if _, err := fmt.Fprint(w, expected); err != nil {
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t.Error(err)
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}
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w.Close()
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if err := task.CloseIO(ctx, WithStdinCloser); err != nil {
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t.Error(err)
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}
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<-statusC
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|
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if _, err := task.Delete(ctx); err != nil {
|
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t.Error(err)
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|
}
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|
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output := stdout.String()
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|
|
if runtime.GOOS == "windows" {
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// On windows we use more and it always adds an extra newline
|
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// remove it here
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output = strings.TrimSuffix(output, newLine)
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|
}
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|
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if output != expected {
|
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t.Errorf("expected output %q but received %q", expected, output)
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|
}
|
|
}
|
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|
|
func TestContainerAttach(t *testing.T) {
|
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if runtime.GOOS == "windows" {
|
|
// On windows, closing the write side of the pipe closes the read
|
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// side, sending an EOF to it and preventing reopening it.
|
|
// Hence this test will always fails on windows
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t.Skip("invalid logic on windows")
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|
}
|
|
|
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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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withCat())
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
expected := "hello" + newLine
|
|
stdout := bytes.NewBuffer(nil)
|
|
|
|
r, w, err := os.Pipe()
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
or, ow, err := os.Pipe()
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
wg := &sync.WaitGroup{}
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
io.Copy(stdout, or)
|
|
wg.Done()
|
|
}()
|
|
|
|
task, err := container.NewTask(ctx, NewIO(r, ow, ioutil.Discard))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer task.Delete(ctx)
|
|
originalIO := task.IO()
|
|
|
|
statusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
if _, err := fmt.Fprint(w, expected); err != nil {
|
|
t.Error(err)
|
|
}
|
|
w.Close()
|
|
|
|
// load the container and re-load the task
|
|
if container, err = client.LoadContainer(ctx, id); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
// create new IO for the loaded task
|
|
if r, w, err = os.Pipe(); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
if task, err = container.Task(ctx, WithAttach(r, ow, ioutil.Discard)); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
if _, err := fmt.Fprint(w, expected); err != nil {
|
|
t.Error(err)
|
|
}
|
|
w.Close()
|
|
|
|
if err := task.CloseIO(ctx, WithStdinCloser); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
<-statusC
|
|
|
|
originalIO.Close()
|
|
if _, err := task.Delete(ctx); err != nil {
|
|
t.Error(err)
|
|
}
|
|
ow.Close()
|
|
|
|
wg.Wait()
|
|
output := stdout.String()
|
|
|
|
// we wrote the same thing after attach
|
|
expected = expected + expected
|
|
if output != expected {
|
|
t.Errorf("expected output %q but received %q", expected, output)
|
|
}
|
|
}
|
|
|
|
func TestDeleteRunningContainer(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "100"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), 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 := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
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) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withCat())
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
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) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("nothing"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
switch runtime.GOOS {
|
|
case "windows":
|
|
if err != nil {
|
|
t.Errorf("failed to create task %v", err)
|
|
}
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Error("task.Start() should return an error when binary does not exist")
|
|
task.Delete(ctx)
|
|
}
|
|
default:
|
|
if err == nil {
|
|
t.Error("NewTask should return an error when binary does not exist")
|
|
task.Delete(ctx)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestContainerExecNoBinaryExists(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "100"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), 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
|
|
}
|
|
|
|
finished := make(chan struct{}, 1)
|
|
go func() {
|
|
if _, err := task.Wait(ctx); err != nil {
|
|
t.Error(err)
|
|
}
|
|
close(finished)
|
|
}()
|
|
|
|
// 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)
|
|
}
|
|
<-finished
|
|
}
|
|
|
|
func TestUserNamespaces(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(
|
|
withImageConfig(ctx, image),
|
|
withExitStatus(7),
|
|
withUserNamespace(0, 1000, 10000),
|
|
)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithSpec(spec),
|
|
withRemappedSnapshot(id, image, 1000, 1000),
|
|
)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
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
|
|
if status != 7 {
|
|
t.Errorf("expected status 7 from wait but received %d", status)
|
|
}
|
|
if status, err = task.Delete(ctx); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
if status != 7 {
|
|
t.Errorf("expected status 7 from delete but received %d", status)
|
|
}
|
|
}
|
|
|
|
func TestWaitStoppedTask(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withExitStatus(7))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
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
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
if status != 7 {
|
|
t.Errorf("exit status from stopped task should be 7 but received %d", status)
|
|
}
|
|
}
|
|
|
|
func TestWaitStoppedProcess(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "100"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), 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 := make(chan struct{}, 1)
|
|
go func() {
|
|
if _, err := task.Wait(ctx); err != nil {
|
|
t.Error(err)
|
|
}
|
|
close(finished)
|
|
}()
|
|
|
|
if err := task.Start(ctx); 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)
|
|
processStatusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := process.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
processStatusC <- status
|
|
}()
|
|
|
|
if err := process.Start(ctx); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
// wait for the exec to return
|
|
<-processStatusC
|
|
// try to wait on the process after it has stopped
|
|
status, err := process.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
if status != 6 {
|
|
t.Errorf("exit status from stopped process should be 6 but received %d", status)
|
|
}
|
|
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
|
|
t.Error(err)
|
|
}
|
|
<-finished
|
|
}
|
|
|
|
func TestTaskForceDelete(t *testing.T) {
|
|
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
|
|
}
|
|
}
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "30"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
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) {
|
|
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
|
|
}
|
|
}
|
|
spec, err := generateSpec(withImageConfig(ctx, image), withProcessArgs("sleep", "30"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), withNewSnapshot(id, image))
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, Stdio)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
// task must be started on windows
|
|
if err := task.Start(ctx); 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) {
|
|
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
|
|
}
|
|
}
|
|
|
|
spec, err := generateSpec(
|
|
withImageConfig(ctx, image),
|
|
withProcessArgs("hostname"),
|
|
WithHostname(expected),
|
|
)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithSpec(spec), 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 := make(chan uint32, 1)
|
|
go func() {
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
statusC <- status
|
|
}()
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
status := <-statusC
|
|
if status != 0 {
|
|
t.Errorf("expected status 0 but received %d", status)
|
|
}
|
|
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)
|
|
}
|
|
}
|