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Diffstat (limited to 'test/e2e/integration_test.go')
-rw-r--r-- | test/e2e/integration_test.go | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go deleted file mode 100644 index 71ec4791e..000000000 --- a/test/e2e/integration_test.go +++ /dev/null @@ -1,492 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package integration provides end-to-end integration tests for runsc. -// -// Each test calls docker commands to start up a container, and tests that it is -// behaving properly, with various runsc commands. The container is killed and -// deleted at the end. -// -// Setup instruction in test/README.md. -package integration - -import ( - "context" - "flag" - "fmt" - "io/ioutil" - "net" - "net/http" - "os" - "path/filepath" - "strconv" - "strings" - "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) - // Ensure that content is being served. - resp, err := client.Get(url) - if err != nil { - return fmt.Errorf("error reaching http server: %v", err) - } - if want := http.StatusOK; resp.StatusCode != want { - return fmt.Errorf("wrong response code, got: %d, want: %d", resp.StatusCode, want) - } - return nil -} - -// TestLifeCycle tests a basic Create/Start/Stop docker container life cycle. -func TestLifeCycle(t *testing.T) { - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - // Start the container. - 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(ctx); err != nil { - t.Fatalf("docker start failed: %v", err) - } - - // Test that container is working. - port, err := d.FindPort(ctx, 80) - if err != nil { - t.Fatalf("docker.FindPort(80) failed: %v", err) - } - if err := testutil.WaitForHTTP(port, defaultWait); err != nil { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - client := http.Client{Timeout: defaultWait} - if err := httpRequestSucceeds(client, "localhost", port); err != nil { - t.Errorf("http request failed: %v", err) - } - - if err := d.Stop(ctx); err != nil { - t.Fatalf("docker stop failed: %v", err) - } - if err := d.Remove(ctx); err != nil { - t.Fatalf("docker rm failed: %v", err) - } -} - -func TestPauseResume(t *testing.T) { - if !testutil.IsCheckpointSupported() { - t.Skip("Checkpoint is not supported.") - } - - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - // Start the container. - if err := d.Spawn(ctx, dockerutil.RunOpts{ - Image: "basic/python", - Ports: []int{8080}, // See Dockerfile. - }); err != nil { - t.Fatalf("docker run failed: %v", err) - } - - // Find where port 8080 is mapped to. - 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, defaultWait); err != nil { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - - // Check that container is working. - client := http.Client{Timeout: defaultWait} - if err := httpRequestSucceeds(client, "localhost", port); err != nil { - t.Error("http request failed:", err) - } - - 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") - case net.Error: - if !v.Timeout() { - t.Errorf("http req got error %v, wanted timeout", v) - } - default: - t.Errorf("http req got unexpected error %v", v) - } - - 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, 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) - } -} - -func TestCheckpointRestore(t *testing.T) { - if !testutil.IsCheckpointSupported() { - t.Skip("Pause/resume is not supported.") - } - - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - // Start the container. - if err := d.Spawn(ctx, dockerutil.RunOpts{ - Image: "basic/python", - Ports: []int{8080}, // See Dockerfile. - }); err != nil { - t.Fatalf("docker run failed: %v", err) - } - - // Create a snapshot. - if err := d.Checkpoint(ctx, "test"); err != nil { - t.Fatalf("docker checkpoint failed: %v", err) - } - 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(ctx, "test") }, defaultWait); err != nil { - t.Fatalf("docker restore failed: %v", err) - } - - // Find where port 8080 is mapped to. - 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, 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) - } -} - -// Create client and server that talk to each other using the local IP. -func TestConnectToSelf(t *testing.T) { - 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(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(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "cat /etc/hosts | grep ${HOSTNAME} | awk '{print $1}'") - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - ip = strings.TrimRight(ip, "\n") - - // Runs client that sends "client" to the server and exits. - reply, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip)) - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - - // Ensure both client and server got the message from each other. - if want := "server\n"; reply != want { - t.Errorf("Error on server, want: %q, got: %q", want, reply) - } - if _, err := d.WaitForOutput(ctx, "^client\n$", defaultWait); err != nil { - t.Fatalf("docker.WaitForOutput(client) timeout: %v", err) - } -} - -func TestMemLimit(t *testing.T) { - 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 // In kb. - out, err := d.Run(ctx, dockerutil.RunOpts{ - Image: "basic/alpine", - 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) - } - - // Remove warning message that swap isn't present. - if strings.HasPrefix(out, "WARNING") { - lines := strings.Split(out, "\n") - if len(lines) != 3 { - t.Fatalf("invalid output: %s", out) - } - out = lines[1] - } - - // Ensure the memory matches what we want. - got, err := strconv.ParseUint(strings.TrimSpace(out), 10, 64) - if err != nil { - t.Fatalf("failed to parse %q: %v", out, err) - } - if want := uint64(allocMemory); got != want { - t.Errorf("MemTotal got: %d, want: %d", got, want) - } -} - -func TestNumCPU(t *testing.T) { - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - // Read how many cores are in the container. - 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) - } - - // Ensure it matches what we want. - got, err := strconv.Atoi(strings.TrimSpace(out)) - if err != nil { - t.Fatalf("failed to parse %q: %v", out, err) - } - if want := 1; got != want { - t.Errorf("MemTotal got: %d, want: %d", got, want) - } -} - -// TestJobControl tests that job control characters are handled properly. -func TestJobControl(t *testing.T) { - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - // Start the container with an attached PTY. - p, err := d.SpawnProcess(ctx, dockerutil.RunOpts{ - Image: "basic/alpine", - }, "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) - - if _, err := p.Write(time.Second, []byte{0x03}); err != nil { - t.Fatalf("error exit: %v", err) - } - - if err := d.WaitTimeout(ctx, 3*time.Second); err != nil { - t.Fatalf("WaitTimeout failed: %v", err) - } - - want := 130 - got, err := p.WaitExitStatus(ctx) - if err != nil { - t.Fatalf("wait for exit failed with: %v", err) - } else if got != want { - t.Fatalf("got: %d want: %d", got, want) - } -} - -// TestWorkingDirCreation checks that working dir is created if it doesn't exit. -func TestWorkingDirCreation(t *testing.T) { - for _, tc := range []struct { - name string - workingDir string - }{ - {name: "root", workingDir: "/foo"}, - {name: "tmp", workingDir: "/tmp/foo"}, - } { - for _, readonly := range []bool{true, false} { - name := tc.name - if readonly { - name += "-readonly" - } - t.Run(name, func(t *testing.T) { - 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(ctx, opts, "sh", "-c", "echo ${PWD}") - if err != nil { - t.Fatalf("docker run failed: %v", err) - } - if want := tc.workingDir + "\n"; want != got { - t.Errorf("invalid working dir, want: %q, got: %q", want, got) - } - }) - } - } -} - -// TestTmpFile checks that files inside '/tmp' are not overridden. -func TestTmpFile(t *testing.T) { - ctx := context.Background() - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - 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) - } - if want := "123\n"; want != got { - t.Errorf("invalid file content, want: %q, got: %q", want, got) - } -} - -// 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) - } - want := "123" - if err := ioutil.WriteFile(filepath.Join(dir, "file.txt"), []byte("123"), 0666); err != nil { - t.Fatalf("WriteFile(): %v", err) - } - d := dockerutil.MakeContainer(ctx, t) - defer d.CleanUp(ctx) - - opts := dockerutil.RunOpts{ - Image: "basic/alpine", - Mounts: []mount.Mount{ - { - Type: mount.TypeBind, - Source: dir, - Target: "/tmp/foo", - }, - }, - } - got, err := d.Run(ctx, opts, "cat", "/tmp/foo/file.txt") - if err != nil { - t.Fatalf("docker run failed: %v", err) - } - if want != got { - t.Errorf("invalid file content, want: %q, got: %q", want, got) - } -} - -// TestHostOverlayfsCopyUp tests that the --overlayfs-stale-read option causes -// runsc to hide the incoherence of FDs opened before and after overlayfs -// copy-up on the host. -func TestHostOverlayfsCopyUp(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_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_rewinddir"); err != nil { - t.Fatalf("docker run failed: %v", err) - } else if got != "" { - t.Errorf("test failed:\n%s", got) - } -} - -// Basic test for linkat(2). Syscall tests requires CAP_DAC_READ_SEARCH and it -// cannot use tricks like userns as root. For this reason, run a basic link test -// to ensure some coverage. -func TestLink(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/linktest", - WorkDir: "/root", - }, "./link_test"); err != nil { - t.Fatalf("docker run failed: %v", err) - } else if got != "" { - t.Errorf("test failed:\n%s", got) - } -} - -func TestMain(m *testing.M) { - dockerutil.EnsureSupportedDockerVersion() - flag.Parse() - os.Exit(m.Run()) -} |