85e8221f10
These tests would have failed if any image had a USER declaration in it, but because the test image never has, these were never caught. Adding supplemental GIDs on any image revealed the issue. Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>
1533 lines
31 KiB
Go
1533 lines
31 KiB
Go
// +build linux
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package containerd
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"os/exec"
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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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"time"
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"github.com/containerd/cgroups"
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"github.com/containerd/containerd/cio"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/containerd/errdefs"
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"github.com/containerd/containerd/oci"
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"github.com/containerd/containerd/runtime/linux/runctypes"
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"github.com/containerd/containerd/runtime/v2/runc/options"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/pkg/errors"
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"golang.org/x/sys/unix"
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)
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func TestTaskUpdate(t *testing.T) {
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t.Parallel()
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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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ctx, cancel = testContext()
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id = t.Name()
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)
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defer cancel()
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image, err := client.GetImage(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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limit := int64(32 * 1024 * 1024)
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memory := func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
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s.Linux.Resources.Memory = &specs.LinuxMemory{
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Limit: &limit,
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}
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return nil
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}
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container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image),
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WithNewSpec(oci.WithImageConfig(image), withProcessArgs("sleep", "30"), memory))
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if err != nil {
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t.Fatal(err)
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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.Fatal(err)
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}
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defer task.Delete(ctx)
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statusC, err := task.Wait(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// check that the task has a limit of 32mb
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cgroup, err := cgroups.Load(cgroups.V1, cgroups.PidPath(int(task.Pid())))
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if err != nil {
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t.Fatal(err)
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}
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stat, err := cgroup.Stat(cgroups.IgnoreNotExist)
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if err != nil {
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t.Fatal(err)
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}
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if int64(stat.Memory.Usage.Limit) != limit {
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t.Fatalf("expected memory limit to be set to %d but received %d", limit, stat.Memory.Usage.Limit)
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}
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limit = 64 * 1024 * 1024
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if err := task.Update(ctx, WithResources(&specs.LinuxResources{
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Memory: &specs.LinuxMemory{
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Limit: &limit,
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},
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})); err != nil {
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t.Error(err)
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}
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// check that the task has a limit of 64mb
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if stat, err = cgroup.Stat(cgroups.IgnoreNotExist); err != nil {
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t.Fatal(err)
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}
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if int64(stat.Memory.Usage.Limit) != limit {
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t.Errorf("expected memory limit to be set to %d but received %d", limit, stat.Memory.Usage.Limit)
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}
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if err := task.Kill(ctx, unix.SIGKILL); err != nil {
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t.Fatal(err)
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}
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<-statusC
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}
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func TestShimInCgroup(t *testing.T) {
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t.Parallel()
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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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if client.runtime == "io.containerd.runc.v1" {
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t.Skip()
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}
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var (
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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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image, err := client.GetImage(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), oci.WithProcessArgs("sleep", "30")))
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if err != nil {
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t.Fatal(err)
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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// create a cgroup for the shim to use
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path := "/containerd/shim"
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cg, err := cgroups.New(cgroups.V1, cgroups.StaticPath(path), &specs.LinuxResources{})
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if err != nil {
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t.Fatal(err)
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}
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defer cg.Delete()
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task, err := container.NewTask(ctx, empty(), func(_ context.Context, client *Client, r *TaskInfo) error {
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r.Options = &runctypes.CreateOptions{
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ShimCgroup: path,
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}
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return nil
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})
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if err != nil {
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t.Fatal(err)
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}
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defer task.Delete(ctx)
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statusC, err := task.Wait(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// check to see if the shim is inside the cgroup
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processes, err := cg.Processes(cgroups.Devices, false)
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if err != nil {
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t.Fatal(err)
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}
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if len(processes) == 0 {
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t.Errorf("created cgroup should have atleast one process inside: %d", len(processes))
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}
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if err := task.Kill(ctx, unix.SIGKILL); err != nil {
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t.Fatal(err)
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}
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<-statusC
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}
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func TestDaemonRestart(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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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), withProcessArgs("sleep", "30")))
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if err != nil {
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t.Fatal(err)
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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.Fatal(err)
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}
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defer task.Delete(ctx)
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statusC, err := task.Wait(ctx)
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if err != nil {
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t.Fatal(err)
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}
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if err := task.Start(ctx); err != nil {
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t.Fatal(err)
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}
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var exitStatus ExitStatus
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if err := ctrd.Restart(func() {
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exitStatus = <-statusC
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}); err != nil {
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t.Fatal(err)
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}
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if exitStatus.Error() == nil {
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t.Errorf(`first task.Wait() should have failed with "transport is closing"`)
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}
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waitCtx, waitCancel := context.WithTimeout(ctx, 2*time.Second)
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serving, err := client.IsServing(waitCtx)
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waitCancel()
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if !serving {
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t.Fatalf("containerd did not start within 2s: %v", err)
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}
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statusC, err = task.Wait(ctx)
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if err != nil {
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t.Fatal(err)
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}
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if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
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t.Fatal(err)
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}
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<-statusC
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}
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func TestContainerPTY(t *testing.T) {
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t.Parallel()
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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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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), oci.WithTTY, withProcessArgs("echo", "hello")))
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if err != nil {
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t.Fatal(err)
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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direct, err := newDirectIO(ctx, true)
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if err != nil {
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t.Fatal(err)
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}
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defer direct.Delete()
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var (
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wg sync.WaitGroup
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buf = bytes.NewBuffer(nil)
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)
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wg.Add(1)
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go func() {
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defer wg.Done()
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io.Copy(buf, direct.Stdout)
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}()
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task, err := container.NewTask(ctx, direct.IOCreate)
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if err != nil {
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t.Fatal(err)
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}
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defer task.Delete(ctx)
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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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if err := task.Start(ctx); err != nil {
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t.Fatal(err)
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}
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<-status
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wg.Wait()
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if err := direct.Close(); err != nil {
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t.Error(err)
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}
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out := buf.String()
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if !strings.ContainsAny(fmt.Sprintf("%#q", out), `\x00`) {
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t.Fatal(`expected \x00 in output`)
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}
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}
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func TestContainerAttach(t *testing.T) {
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t.Parallel()
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if runtime.GOOS == "windows" {
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// 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.
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// 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)
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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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image, err = client.GetImage(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), withCat()))
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if err != nil {
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t.Fatal(err)
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}
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defer container.Delete(ctx, WithSnapshotCleanup)
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expected := "hello" + newLine
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direct, err := newDirectIO(ctx, false)
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if err != nil {
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t.Fatal(err)
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}
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defer direct.Delete()
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var (
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wg sync.WaitGroup
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buf = bytes.NewBuffer(nil)
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)
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wg.Add(1)
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go func() {
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defer wg.Done()
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io.Copy(buf, direct.Stdout)
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}()
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task, err := container.NewTask(ctx, direct.IOCreate)
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if err != nil {
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t.Fatal(err)
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}
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defer task.Delete(ctx)
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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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if err := task.Start(ctx); err != nil {
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t.Fatal(err)
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}
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if _, err := fmt.Fprint(direct.Stdin, expected); err != nil {
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t.Error(err)
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}
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// load the container and re-load the task
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if container, err = client.LoadContainer(ctx, id); err != nil {
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t.Fatal(err)
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}
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if task, err = container.Task(ctx, direct.IOAttach); err != nil {
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t.Fatal(err)
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}
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if _, err := fmt.Fprint(direct.Stdin, expected); err != nil {
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t.Error(err)
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}
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direct.Stdin.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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<-status
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wg.Wait()
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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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output := buf.String()
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|
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// we wrote the same thing after attach
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expected = expected + expected
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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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}
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func newDirectIO(ctx context.Context, terminal bool) (*directIO, error) {
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fifos, err := cio.NewFIFOSetInDir("", "", terminal)
|
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if err != nil {
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return nil, err
|
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}
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dio, err := cio.NewDirectIO(ctx, fifos)
|
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if err != nil {
|
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return nil, err
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}
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return &directIO{DirectIO: *dio}, nil
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}
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type directIO struct {
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cio.DirectIO
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}
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|
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// ioCreate returns IO available for use with task creation
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func (f *directIO) IOCreate(id string) (cio.IO, error) {
|
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return f, nil
|
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}
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|
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// ioAttach returns IO available for use with task attachment
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func (f *directIO) IOAttach(set *cio.FIFOSet) (cio.IO, error) {
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return f, nil
|
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}
|
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|
|
func (f *directIO) Cancel() {
|
|
// nothing to cancel as all operations are handled externally
|
|
}
|
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|
|
// Close closes all open fds
|
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func (f *directIO) Close() error {
|
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err := f.Stdin.Close()
|
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if err2 := f.Stdout.Close(); err == nil {
|
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err = err2
|
|
}
|
|
if err2 := f.Stderr.Close(); err == nil {
|
|
err = err2
|
|
}
|
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return err
|
|
}
|
|
|
|
// Delete removes the underlying directory containing fifos
|
|
func (f *directIO) Delete() error {
|
|
return f.DirectIO.Close()
|
|
}
|
|
|
|
func TestContainerUsername(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
direct, err := newDirectIO(ctx, false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer direct.Delete()
|
|
var (
|
|
wg sync.WaitGroup
|
|
buf = bytes.NewBuffer(nil)
|
|
)
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
io.Copy(buf, direct.Stdout)
|
|
}()
|
|
|
|
// squid user in the alpine image has a uid of 31
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), oci.WithUsername("squid"), oci.WithProcessArgs("id", "-u")),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, direct.IOCreate)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
<-statusC
|
|
|
|
wg.Wait()
|
|
|
|
output := strings.TrimSuffix(buf.String(), "\n")
|
|
if output != "31" {
|
|
t.Errorf("expected squid uid to be 31 but received %q", output)
|
|
}
|
|
}
|
|
|
|
func TestContainerUser(t *testing.T) {
|
|
t.Parallel()
|
|
t.Run("UserNameAndGroupName", func(t *testing.T) { testContainerUser(t, "squid:squid", "31:31") })
|
|
t.Run("UserIDAndGroupName", func(t *testing.T) { testContainerUser(t, "1001:squid", "1001:31") })
|
|
t.Run("UserNameAndGroupID", func(t *testing.T) { testContainerUser(t, "squid:1002", "31:1002") })
|
|
t.Run("UserIDAndGroupID", func(t *testing.T) { testContainerUser(t, "1001:1002", "1001:1002") })
|
|
}
|
|
|
|
func testContainerUser(t *testing.T, userstr, expectedOutput string) {
|
|
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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
direct, err := newDirectIO(ctx, false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer direct.Delete()
|
|
var (
|
|
wg sync.WaitGroup
|
|
buf = bytes.NewBuffer(nil)
|
|
)
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
io.Copy(buf, direct.Stdout)
|
|
}()
|
|
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), oci.WithUser(userstr), oci.WithProcessArgs("sh", "-c", "echo $(id -u):$(id -g)")),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, direct.IOCreate)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
<-statusC
|
|
|
|
wg.Wait()
|
|
|
|
output := strings.TrimSuffix(buf.String(), "\n")
|
|
if output != expectedOutput {
|
|
t.Errorf("expected uid:gid to be %q, but received %q", expectedOutput, output)
|
|
}
|
|
}
|
|
|
|
func TestContainerAttachProcess(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
if runtime.GOOS == "windows" {
|
|
// On windows, closing the write side of the pipe closes the read
|
|
// side, sending an EOF to it and preventing reopening it.
|
|
// Hence this test will always fails on windows
|
|
t.Skip("invalid logic on windows")
|
|
}
|
|
|
|
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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), withProcessArgs("sleep", "100")))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
expected := "hello" + newLine
|
|
|
|
// creating IO early for easy resource cleanup
|
|
direct, err := newDirectIO(ctx, false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer direct.Delete()
|
|
var (
|
|
wg sync.WaitGroup
|
|
buf = bytes.NewBuffer(nil)
|
|
)
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
io.Copy(buf, direct.Stdout)
|
|
}()
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
status, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
spec, err := container.Spec(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
processSpec := spec.Process
|
|
processSpec.Args = []string{"cat"}
|
|
execID := t.Name() + "_exec"
|
|
process, err := task.Exec(ctx, execID, processSpec, direct.IOCreate)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
processStatusC, err := process.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := process.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fmt.Fprint(direct.Stdin, expected); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if process, err = task.LoadProcess(ctx, execID, direct.IOAttach); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fmt.Fprint(direct.Stdin, expected); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
direct.Stdin.Close()
|
|
|
|
if err := process.CloseIO(ctx, WithStdinCloser); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
<-processStatusC
|
|
|
|
wg.Wait()
|
|
|
|
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
output := buf.String()
|
|
|
|
// we wrote the same thing after attach
|
|
expected = expected + expected
|
|
if output != expected {
|
|
t.Errorf("expected output %q but received %q", expected, output)
|
|
}
|
|
<-status
|
|
}
|
|
|
|
func TestContainerUserID(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
direct, err := newDirectIO(ctx, false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer direct.Delete()
|
|
var (
|
|
wg sync.WaitGroup
|
|
buf = bytes.NewBuffer(nil)
|
|
)
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
io.Copy(buf, direct.Stdout)
|
|
}()
|
|
|
|
// adm user in the alpine image has a uid of 3 and gid of 4.
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), oci.WithUserID(3), oci.WithProcessArgs("sh", "-c", "echo $(id -u):$(id -g)")),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, direct.IOCreate)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
<-statusC
|
|
|
|
wg.Wait()
|
|
|
|
output := strings.TrimSuffix(buf.String(), "\n")
|
|
if output != "3:4" {
|
|
t.Errorf("expected uid:gid to be 3:4, but received %q", output)
|
|
}
|
|
}
|
|
|
|
func TestContainerKillAll(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image),
|
|
withProcessArgs("sh", "-c", "top"),
|
|
oci.WithHostNamespace(specs.PIDNamespace),
|
|
),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
stdout := bytes.NewBuffer(nil)
|
|
task, err := container.NewTask(ctx, cio.NewCreator(withByteBuffers(stdout)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Kill(ctx, syscall.SIGKILL, WithKillAll); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
<-statusC
|
|
if _, err := task.Delete(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestDaemonRestartWithRunningShim(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), oci.WithProcessArgs("sleep", "100")))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
pid := task.Pid()
|
|
if pid <= 0 {
|
|
t.Fatalf("invalid task pid %d", pid)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var exitStatus ExitStatus
|
|
if err := ctrd.Restart(func() {
|
|
exitStatus = <-statusC
|
|
}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if exitStatus.Error() == nil {
|
|
t.Errorf(`first task.Wait() should have failed with "transport is closing"`)
|
|
}
|
|
|
|
waitCtx, cancel := context.WithTimeout(ctx, 1*time.Second)
|
|
c, err := ctrd.waitForStart(waitCtx)
|
|
cancel()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
c.Close()
|
|
|
|
statusC, err = task.Wait(ctx)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
<-statusC
|
|
|
|
if err := unix.Kill(int(pid), 0); err != unix.ESRCH {
|
|
t.Errorf("pid %d still exists", pid)
|
|
}
|
|
}
|
|
|
|
func TestContainerRuntimeOptionsv1(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(
|
|
ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), withExitStatus(7)),
|
|
WithRuntime("io.containerd.runtime.v1.linux", &runctypes.RuncOptions{Runtime: "no-runc"}),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err == nil {
|
|
t.Errorf("task creation should have failed")
|
|
task.Delete(ctx)
|
|
return
|
|
}
|
|
if !strings.Contains(err.Error(), `"no-runc"`) {
|
|
t.Errorf("task creation should have failed because of lack of executable. Instead failed with: %v", err.Error())
|
|
}
|
|
}
|
|
|
|
func TestContainerRuntimeOptionsv2(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(
|
|
ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), withExitStatus(7)),
|
|
WithRuntime("io.containerd.runc.v1", &options.Options{BinaryName: "no-runc"}),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err == nil {
|
|
t.Errorf("task creation should have failed")
|
|
task.Delete(ctx)
|
|
return
|
|
}
|
|
if !strings.Contains(err.Error(), `"no-runc"`) {
|
|
t.Errorf("task creation should have failed because of lack of executable. Instead failed with: %v", err.Error())
|
|
}
|
|
}
|
|
|
|
func initContainerAndCheckChildrenDieOnKill(t *testing.T, opts ...oci.SpecOpts) {
|
|
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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
opts = append(opts, oci.WithImageConfig(image))
|
|
opts = append(opts, withProcessArgs("sh", "-c", "sleep 42; echo hi"))
|
|
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(opts...),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
stdout := bytes.NewBuffer(nil)
|
|
task, err := container.NewTask(ctx, cio.NewCreator(withByteBuffers(stdout)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Kill(ctx, syscall.SIGKILL); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// Give the shim time to reap the init process and kill the orphans
|
|
select {
|
|
case <-statusC:
|
|
case <-time.After(100 * time.Millisecond):
|
|
}
|
|
|
|
b, err := exec.Command("ps", "ax").CombinedOutput()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if strings.Contains(string(b), "sleep 42") {
|
|
t.Fatalf("killing init didn't kill all its children:\n%v", string(b))
|
|
}
|
|
|
|
if _, err := task.Delete(ctx, WithProcessKill); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestContainerKillInitPidHost(t *testing.T) {
|
|
initContainerAndCheckChildrenDieOnKill(t, oci.WithHostNamespace(specs.PIDNamespace))
|
|
}
|
|
|
|
func TestContainerKillInitKillsChildWhenNotHostPid(t *testing.T) {
|
|
initContainerAndCheckChildrenDieOnKill(t)
|
|
}
|
|
|
|
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 checkUserNS(t *testing.T) {
|
|
cmd := exec.Command("true")
|
|
cmd.SysProcAttr = &syscall.SysProcAttr{
|
|
Cloneflags: syscall.CLONE_NEWUSER,
|
|
}
|
|
|
|
if err := cmd.Run(); err != nil {
|
|
t.Skip("User namespaces are unavailable")
|
|
}
|
|
}
|
|
|
|
func testUserNamespaces(t *testing.T, readonlyRootFS bool) {
|
|
checkUserNS(t)
|
|
|
|
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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
opts := []NewContainerOpts{WithNewSpec(oci.WithImageConfig(image),
|
|
withExitStatus(7),
|
|
oci.WithUserNamespace(0, 1000, 10000),
|
|
)}
|
|
if readonlyRootFS {
|
|
opts = append([]NewContainerOpts{WithRemappedSnapshotView(id, image, 1000, 1000)}, opts...)
|
|
} else {
|
|
opts = append([]NewContainerOpts{WithRemappedSnapshot(id, image, 1000, 1000)}, opts...)
|
|
}
|
|
|
|
container, err := client.NewContainer(ctx, id, opts...)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
var copts interface{}
|
|
if client.runtime == "io.containerd.runc.v1" {
|
|
copts = &options.Options{
|
|
IoUid: 1000,
|
|
IoGid: 1000,
|
|
}
|
|
} else {
|
|
copts = &runctypes.CreateOptions{
|
|
IoUid: 1000,
|
|
IoGid: 1000,
|
|
}
|
|
}
|
|
|
|
task, err := container.NewTask(ctx, cio.NewCreator(cio.WithStdio), func(_ context.Context, client *Client, r *TaskInfo) error {
|
|
r.Options = copts
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
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.Fatal(err)
|
|
}
|
|
if code != 7 {
|
|
t.Errorf("expected status 7 from wait but received %d", code)
|
|
}
|
|
deleteStatus, err := task.Delete(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ec := deleteStatus.ExitCode(); ec != 7 {
|
|
t.Errorf("expected status 7 from delete but received %d", ec)
|
|
}
|
|
}
|
|
|
|
func TestTaskResize(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), withExitStatus(7)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := task.Resize(ctx, 32, 32); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
task.Kill(ctx, syscall.SIGKILL)
|
|
<-statusC
|
|
}
|
|
|
|
func TestContainerImage(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()
|
|
|
|
image, err := client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(ctx, id, WithNewSpec(), WithImage(image))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx)
|
|
|
|
i, err := container.Image(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if i.Name() != image.Name() {
|
|
t.Fatalf("expected container image name %s but received %s", image.Name(), i.Name())
|
|
}
|
|
}
|
|
|
|
func TestContainerNoImage(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.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx)
|
|
|
|
_, err = container.Image(ctx)
|
|
if err == nil {
|
|
t.Fatal("error should not be nil when container is created without an image")
|
|
}
|
|
if errors.Cause(err) != errdefs.ErrNotFound {
|
|
t.Fatalf("expected error to be %s but received %s", errdefs.ErrNotFound, err)
|
|
}
|
|
}
|
|
|
|
func TestUIDNoGID(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()
|
|
image, err := client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithUserID(1000)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx)
|
|
|
|
spec, err := container.Spec(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if uid := spec.Process.User.UID; uid != 1000 {
|
|
t.Fatalf("expected uid 1000 but received %d", uid)
|
|
}
|
|
if gid := spec.Process.User.GID; gid != 0 {
|
|
t.Fatalf("expected gid 0 but received %d", gid)
|
|
}
|
|
}
|
|
|
|
func TestBindLowPortNonRoot(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), withProcessArgs("nc", "-l", "-p", "80"), oci.WithUIDGID(1000, 1000)),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
status := <-statusC
|
|
code, _, err := status.Result()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if code != 1 {
|
|
t.Errorf("expected status 1 from wait but received %d", code)
|
|
}
|
|
if _, err := task.Delete(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestBindLowPortNonOpt(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := client.NewContainer(ctx, id,
|
|
WithNewSnapshot(id, image),
|
|
WithNewSpec(oci.WithImageConfig(image), withProcessArgs("nc", "-l", "-p", "80"), oci.WithUIDGID(1000, 1000), oci.WithAmbientCapabilities([]string{"CAP_NET_BIND_SERVICE"})),
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, empty())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
go func() {
|
|
time.Sleep(2 * time.Second)
|
|
task.Kill(ctx, unix.SIGTERM)
|
|
}()
|
|
status := <-statusC
|
|
code, _, err := status.Result()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// 128 + sigterm
|
|
if code != 143 {
|
|
t.Errorf("expected status 143 from wait but received %d", code)
|
|
}
|
|
if _, err := task.Delete(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestContainerNoSTDIN(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()
|
|
|
|
image, err = client.GetImage(ctx, testImage)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := client.NewContainer(ctx, id, WithNewSnapshot(id, image), WithNewSpec(oci.WithImageConfig(image), withExitStatus(0)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer container.Delete(ctx, WithSnapshotCleanup)
|
|
|
|
task, err := container.NewTask(ctx, cio.NewCreator(cio.WithStreams(nil, ioutil.Discard, ioutil.Discard)))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := task.Start(ctx); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
status := <-statusC
|
|
code, _, err := status.Result()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if code != 0 {
|
|
t.Errorf("expected status 0 from wait but received %d", code)
|
|
}
|
|
}
|