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Diffstat (limited to 'test/e2e/integration_test.go')
-rw-r--r--test/e2e/integration_test.go220
1 files changed, 125 insertions, 95 deletions
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go
index 60e739c6a..6fe6d304f 100644
--- a/test/e2e/integration_test.go
+++ b/test/e2e/integration_test.go
@@ -22,24 +22,27 @@
package integration
import (
+ "context"
"flag"
"fmt"
"io/ioutil"
"net"
"net/http"
"os"
- "os/exec"
"path/filepath"
"strconv"
"strings"
- "syscall"
"testing"
"time"
+ "github.com/docker/docker/api/types/mount"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/pkg/test/testutil"
)
+// defaultWait is the default wait time used for tests.
+const defaultWait = time.Minute
+
// httpRequestSucceeds sends a request to a given url and checks that the status is OK.
func httpRequestSucceeds(client http.Client, server string, port int) error {
url := fmt.Sprintf("http://%s:%d", server, port)
@@ -56,37 +59,38 @@ func httpRequestSucceeds(client http.Client, server string, port int) error {
// TestLifeCycle tests a basic Create/Start/Stop docker container life cycle.
func TestLifeCycle(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Start the container.
- if err := d.Create(dockerutil.RunOpts{
+ if err := d.Create(ctx, dockerutil.RunOpts{
Image: "basic/nginx",
Ports: []int{80},
}); err != nil {
t.Fatalf("docker create failed: %v", err)
}
- if err := d.Start(); err != nil {
+ if err := d.Start(ctx); err != nil {
t.Fatalf("docker start failed: %v", err)
}
// Test that container is working.
- port, err := d.FindPort(80)
+ port, err := d.FindPort(ctx, 80)
if err != nil {
t.Fatalf("docker.FindPort(80) failed: %v", err)
}
- if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
+ if err := testutil.WaitForHTTP(port, defaultWait); err != nil {
t.Fatalf("WaitForHTTP() timeout: %v", err)
}
- client := http.Client{Timeout: time.Duration(2 * time.Second)}
+ client := http.Client{Timeout: defaultWait}
if err := httpRequestSucceeds(client, "localhost", port); err != nil {
t.Errorf("http request failed: %v", err)
}
- if err := d.Stop(); err != nil {
+ if err := d.Stop(ctx); err != nil {
t.Fatalf("docker stop failed: %v", err)
}
- if err := d.Remove(); err != nil {
+ if err := d.Remove(ctx); err != nil {
t.Fatalf("docker rm failed: %v", err)
}
}
@@ -96,11 +100,12 @@ func TestPauseResume(t *testing.T) {
t.Skip("Checkpoint is not supported.")
}
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Start the container.
- if err := d.Spawn(dockerutil.RunOpts{
+ if err := d.Spawn(ctx, dockerutil.RunOpts{
Image: "basic/python",
Ports: []int{8080}, // See Dockerfile.
}); err != nil {
@@ -108,27 +113,28 @@ func TestPauseResume(t *testing.T) {
}
// Find where port 8080 is mapped to.
- port, err := d.FindPort(8080)
+ port, err := d.FindPort(ctx, 8080)
if err != nil {
t.Fatalf("docker.FindPort(8080) failed: %v", err)
}
// Wait until it's up and running.
- if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
+ if err := testutil.WaitForHTTP(port, defaultWait); err != nil {
t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check that container is working.
- client := http.Client{Timeout: time.Duration(2 * time.Second)}
+ client := http.Client{Timeout: defaultWait}
if err := httpRequestSucceeds(client, "localhost", port); err != nil {
t.Error("http request failed:", err)
}
- if err := d.Pause(); err != nil {
+ if err := d.Pause(ctx); err != nil {
t.Fatalf("docker pause failed: %v", err)
}
// Check if container is paused.
+ client = http.Client{Timeout: 10 * time.Millisecond} // Don't wait a minute.
switch _, err := client.Get(fmt.Sprintf("http://localhost:%d", port)); v := err.(type) {
case nil:
t.Errorf("http req expected to fail but it succeeded")
@@ -140,16 +146,17 @@ func TestPauseResume(t *testing.T) {
t.Errorf("http req got unexpected error %v", v)
}
- if err := d.Unpause(); err != nil {
+ if err := d.Unpause(ctx); err != nil {
t.Fatalf("docker unpause failed: %v", err)
}
// Wait until it's up and running.
- if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
+ if err := testutil.WaitForHTTP(port, defaultWait); err != nil {
t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check if container is working again.
+ client = http.Client{Timeout: defaultWait}
if err := httpRequestSucceeds(client, "localhost", port); err != nil {
t.Error("http request failed:", err)
}
@@ -160,11 +167,12 @@ func TestCheckpointRestore(t *testing.T) {
t.Skip("Pause/resume is not supported.")
}
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Start the container.
- if err := d.Spawn(dockerutil.RunOpts{
+ if err := d.Spawn(ctx, dockerutil.RunOpts{
Image: "basic/python",
Ports: []int{8080}, // See Dockerfile.
}); err != nil {
@@ -172,31 +180,31 @@ func TestCheckpointRestore(t *testing.T) {
}
// Create a snapshot.
- if err := d.Checkpoint("test"); err != nil {
+ if err := d.Checkpoint(ctx, "test"); err != nil {
t.Fatalf("docker checkpoint failed: %v", err)
}
- if _, err := d.Wait(30 * time.Second); err != nil {
+ if err := d.WaitTimeout(ctx, defaultWait); err != nil {
t.Fatalf("wait failed: %v", err)
}
// TODO(b/143498576): Remove Poll after github.com/moby/moby/issues/38963 is fixed.
- if err := testutil.Poll(func() error { return d.Restore("test") }, 15*time.Second); err != nil {
+ if err := testutil.Poll(func() error { return d.Restore(ctx, "test") }, defaultWait); err != nil {
t.Fatalf("docker restore failed: %v", err)
}
// Find where port 8080 is mapped to.
- port, err := d.FindPort(8080)
+ port, err := d.FindPort(ctx, 8080)
if err != nil {
t.Fatalf("docker.FindPort(8080) failed: %v", err)
}
// Wait until it's up and running.
- if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
+ if err := testutil.WaitForHTTP(port, defaultWait); err != nil {
t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check if container is working again.
- client := http.Client{Timeout: time.Duration(2 * time.Second)}
+ client := http.Client{Timeout: defaultWait}
if err := httpRequestSucceeds(client, "localhost", port); err != nil {
t.Error("http request failed:", err)
}
@@ -204,26 +212,27 @@ func TestCheckpointRestore(t *testing.T) {
// Create client and server that talk to each other using the local IP.
func TestConnectToSelf(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Creates server that replies "server" and exists. Sleeps at the end because
// 'docker exec' gets killed if the init process exists before it can finish.
- if err := d.Spawn(dockerutil.RunOpts{
+ if err := d.Spawn(ctx, dockerutil.RunOpts{
Image: "basic/ubuntu",
}, "/bin/sh", "-c", "echo server | nc -l -p 8080 && sleep 1"); err != nil {
t.Fatalf("docker run failed: %v", err)
}
// Finds IP address for host.
- ip, err := d.Exec(dockerutil.RunOpts{}, "/bin/sh", "-c", "cat /etc/hosts | grep ${HOSTNAME} | awk '{print $1}'")
+ ip, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "cat /etc/hosts | grep ${HOSTNAME} | awk '{print $1}'")
if err != nil {
t.Fatalf("docker exec failed: %v", err)
}
ip = strings.TrimRight(ip, "\n")
// Runs client that sends "client" to the server and exits.
- reply, err := d.Exec(dockerutil.RunOpts{}, "/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip))
+ reply, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip))
if err != nil {
t.Fatalf("docker exec failed: %v", err)
}
@@ -232,21 +241,22 @@ func TestConnectToSelf(t *testing.T) {
if want := "server\n"; reply != want {
t.Errorf("Error on server, want: %q, got: %q", want, reply)
}
- if _, err := d.WaitForOutput("^client\n$", 1*time.Second); err != nil {
+ if _, err := d.WaitForOutput(ctx, "^client\n$", defaultWait); err != nil {
t.Fatalf("docker.WaitForOutput(client) timeout: %v", err)
}
}
func TestMemLimit(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// N.B. Because the size of the memory file may grow in large chunks,
// there is a minimum threshold of 1GB for the MemTotal figure.
- allocMemory := 1024 * 1024
- out, err := d.Run(dockerutil.RunOpts{
+ allocMemory := 1024 * 1024 // In kb.
+ out, err := d.Run(ctx, dockerutil.RunOpts{
Image: "basic/alpine",
- Memory: allocMemory, // In kB.
+ Memory: allocMemory * 1024, // In bytes.
}, "sh", "-c", "cat /proc/meminfo | grep MemTotal: | awk '{print $2}'")
if err != nil {
t.Fatalf("docker run failed: %v", err)
@@ -272,13 +282,14 @@ func TestMemLimit(t *testing.T) {
}
func TestNumCPU(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Read how many cores are in the container.
- out, err := d.Run(dockerutil.RunOpts{
- Image: "basic/alpine",
- Extra: []string{"--cpuset-cpus=0"},
+ out, err := d.Run(ctx, dockerutil.RunOpts{
+ Image: "basic/alpine",
+ CpusetCpus: "0",
}, "sh", "-c", "cat /proc/cpuinfo | grep 'processor.*:' | wc -l")
if err != nil {
t.Fatalf("docker run failed: %v", err)
@@ -296,48 +307,34 @@ func TestNumCPU(t *testing.T) {
// TestJobControl tests that job control characters are handled properly.
func TestJobControl(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
// Start the container with an attached PTY.
- if _, err := d.Run(dockerutil.RunOpts{
+ p, err := d.SpawnProcess(ctx, dockerutil.RunOpts{
Image: "basic/alpine",
- Pty: func(_ *exec.Cmd, ptmx *os.File) {
- // Call "sleep 100" in the shell.
- if _, err := ptmx.Write([]byte("sleep 100\n")); err != nil {
- t.Fatalf("error writing to pty: %v", err)
- }
-
- // Give shell a few seconds to start executing the sleep.
- time.Sleep(2 * time.Second)
+ }, "sh", "-c", "sleep 100 | cat")
+ if err != nil {
+ t.Fatalf("docker run failed: %v", err)
+ }
+ // Give shell a few seconds to start executing the sleep.
+ time.Sleep(2 * time.Second)
- // Send a ^C to the pty, which should kill sleep, but
- // not the shell. \x03 is ASCII "end of text", which
- // is the same as ^C.
- if _, err := ptmx.Write([]byte{'\x03'}); err != nil {
- t.Fatalf("error writing to pty: %v", err)
- }
+ if _, err := p.Write(time.Second, []byte{0x03}); err != nil {
+ t.Fatalf("error exit: %v", err)
+ }
- // The shell should still be alive at this point. Sleep
- // should have exited with code 2+128=130. We'll exit
- // with 10 plus that number, so that we can be sure
- // that the shell did not get signalled.
- if _, err := ptmx.Write([]byte("exit $(expr $? + 10)\n")); err != nil {
- t.Fatalf("error writing to pty: %v", err)
- }
- },
- }, "sh"); err != nil {
- t.Fatalf("docker run failed: %v", err)
+ if err := d.WaitTimeout(ctx, 3*time.Second); err != nil {
+ t.Fatalf("WaitTimeout failed: %v", err)
}
- // Wait for the container to exit.
- got, err := d.Wait(5 * time.Second)
+ want := 130
+ got, err := p.WaitExitStatus(ctx)
if err != nil {
- t.Fatalf("error getting exit code: %v", err)
- }
- // Container should exit with code 10+130=140.
- if want := syscall.WaitStatus(140); got != want {
- t.Errorf("container exited with code %d want %d", got, want)
+ t.Fatalf("wait for exit failed with: %v", err)
+ } else if got != want {
+ t.Fatalf("got: %d want: %d", got, want)
}
}
@@ -356,15 +353,16 @@ func TestWorkingDirCreation(t *testing.T) {
name += "-readonly"
}
t.Run(name, func(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
opts := dockerutil.RunOpts{
Image: "basic/alpine",
WorkDir: tc.workingDir,
ReadOnly: readonly,
}
- got, err := d.Run(opts, "sh", "-c", "echo ${PWD}")
+ got, err := d.Run(ctx, opts, "sh", "-c", "echo ${PWD}")
if err != nil {
t.Fatalf("docker run failed: %v", err)
}
@@ -378,11 +376,12 @@ func TestWorkingDirCreation(t *testing.T) {
// TestTmpFile checks that files inside '/tmp' are not overridden.
func TestTmpFile(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
- opts := dockerutil.RunOpts{Image: "tmpfile"}
- got, err := d.Run(opts, "cat", "/tmp/foo/file.txt")
+ opts := dockerutil.RunOpts{Image: "basic/tmpfile"}
+ got, err := d.Run(ctx, opts, "cat", "/tmp/foo/file.txt")
if err != nil {
t.Fatalf("docker run failed: %v", err)
}
@@ -393,6 +392,7 @@ func TestTmpFile(t *testing.T) {
// TestTmpMount checks that mounts inside '/tmp' are not overridden.
func TestTmpMount(t *testing.T) {
+ ctx := context.Background()
dir, err := ioutil.TempDir(testutil.TmpDir(), "tmp-mount")
if err != nil {
t.Fatalf("TempDir(): %v", err)
@@ -401,19 +401,20 @@ func TestTmpMount(t *testing.T) {
if err := ioutil.WriteFile(filepath.Join(dir, "file.txt"), []byte("123"), 0666); err != nil {
t.Fatalf("WriteFile(): %v", err)
}
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
opts := dockerutil.RunOpts{
Image: "basic/alpine",
- Mounts: []dockerutil.Mount{
+ Mounts: []mount.Mount{
{
+ Type: mount.TypeBind,
Source: dir,
Target: "/tmp/foo",
},
},
}
- got, err := d.Run(opts, "cat", "/tmp/foo/file.txt")
+ got, err := d.Run(ctx, opts, "cat", "/tmp/foo/file.txt")
if err != nil {
t.Fatalf("docker run failed: %v", err)
}
@@ -426,14 +427,43 @@ func TestTmpMount(t *testing.T) {
// runsc to hide the incoherence of FDs opened before and after overlayfs
// copy-up on the host.
func TestHostOverlayfsCopyUp(t *testing.T) {
- d := dockerutil.MakeDocker(t)
- defer d.CleanUp()
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
- if _, err := d.Run(dockerutil.RunOpts{
- Image: "hostoverlaytest",
+ if got, err := d.Run(ctx, dockerutil.RunOpts{
+ Image: "basic/hostoverlaytest",
+ WorkDir: "/root",
+ }, "./test_copy_up"); err != nil {
+ t.Fatalf("docker run failed: %v", err)
+ } else if got != "" {
+ t.Errorf("test failed:\n%s", got)
+ }
+}
+
+// TestHostOverlayfsRewindDir tests that rewinddir() "causes the directory
+// stream to refer to the current state of the corresponding directory, as a
+// call to opendir() would have done" as required by POSIX, when the directory
+// in question is host overlayfs.
+//
+// This test specifically targets host overlayfs because, per POSIX, "if a file
+// is removed from or added to the directory after the most recent call to
+// opendir() or rewinddir(), whether a subsequent call to readdir() returns an
+// entry for that file is unspecified"; the host filesystems used by other
+// automated tests yield newly-added files from readdir() even if the fsgofer
+// does not explicitly rewinddir(), but overlayfs does not.
+func TestHostOverlayfsRewindDir(t *testing.T) {
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
+
+ if got, err := d.Run(ctx, dockerutil.RunOpts{
+ Image: "basic/hostoverlaytest",
WorkDir: "/root",
- }, "./test"); err != nil {
+ }, "./test_rewinddir"); err != nil {
t.Fatalf("docker run failed: %v", err)
+ } else if got != "" {
+ t.Errorf("test failed:\n%s", got)
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-02 06:42:49 +0000