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Diffstat (limited to 'test/e2e/integration_test.go')
-rw-r--r-- | test/e2e/integration_test.go | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go deleted file mode 100644 index 404e37689..000000000 --- a/test/e2e/integration_test.go +++ /dev/null @@ -1,368 +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 ( - "flag" - "fmt" - "net" - "net/http" - "os" - "os/exec" - "strconv" - "strings" - "syscall" - "testing" - "time" - - "gvisor.dev/gvisor/pkg/test/dockerutil" - "gvisor.dev/gvisor/pkg/test/testutil" -) - -// 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) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Start the container. - if err := d.Create(dockerutil.RunOpts{ - Image: "basic/nginx", - Ports: []int{80}, - }); err != nil { - t.Fatalf("docker create failed: %v", err) - } - if err := d.Start(); err != nil { - t.Fatalf("docker start failed: %v", err) - } - - // Test that container is working. - port, err := d.FindPort(80) - if err != nil { - t.Fatalf("docker.FindPort(80) failed: %v", err) - } - if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - client := http.Client{Timeout: time.Duration(2 * time.Second)} - if err := httpRequestSucceeds(client, "localhost", port); err != nil { - t.Errorf("http request failed: %v", err) - } - - if err := d.Stop(); err != nil { - t.Fatalf("docker stop failed: %v", err) - } - if err := d.Remove(); err != nil { - t.Fatalf("docker rm failed: %v", err) - } -} - -func TestPauseResume(t *testing.T) { - if !testutil.IsCheckpointSupported() { - t.Skip("Checkpoint is not supported.") - } - - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Start the container. - if err := d.Spawn(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(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 { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - - // Check that container is working. - client := http.Client{Timeout: time.Duration(2 * time.Second)} - if err := httpRequestSucceeds(client, "localhost", port); err != nil { - t.Error("http request failed:", err) - } - - if err := d.Pause(); err != nil { - t.Fatalf("docker pause failed: %v", err) - } - - // Check if container is paused. - 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(); 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 { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - - // Check if container is working again. - 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.") - } - - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Start the container. - if err := d.Spawn(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("test"); err != nil { - t.Fatalf("docker checkpoint failed: %v", err) - } - if _, err := d.Wait(30 * time.Second); 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 { - t.Fatalf("docker restore failed: %v", err) - } - - // Find where port 8080 is mapped to. - port, err := d.FindPort(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 { - t.Fatalf("WaitForHTTP() timeout: %v", err) - } - - // Check if container is working again. - client := http.Client{Timeout: time.Duration(2 * time.Second)} - 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) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // 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{ - 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 $1}'") - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - ip = strings.TrimRight(ip, "\n") - - // Runs client that sends "client" to the server and exits. - reply, err := d.Exec(dockerutil.RunOpts{}, "/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip)) - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - - // Ensure both client and server got the message from each other. - if want := "server\n"; reply != want { - t.Errorf("Error on server, want: %q, got: %q", want, reply) - } - if _, err := d.WaitForOutput("^client\n$", 1*time.Second); err != nil { - t.Fatalf("docker.WaitForOutput(client) timeout: %v", err) - } -} - -func TestMemLimit(t *testing.T) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - allocMemory := 500 * 1024 - out, err := d.Run(dockerutil.RunOpts{ - Image: "basic/alpine", - Memory: allocMemory, // In kB. - }, "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) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Read how many cores are in the container. - out, err := d.Run(dockerutil.RunOpts{ - Image: "basic/alpine", - Extra: []string{"--cpuset-cpus=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) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Start the container with an attached PTY. - if _, err := d.Run(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) - - // 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) - } - - // 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) - } - - // Wait for the container to exit. - got, err := d.Wait(5 * time.Second) - 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) - } -} - -// TestTmpFile checks that files inside '/tmp' are not overridden. In addition, -// it checks that working dir is created if it doesn't exit. -func TestTmpFile(t *testing.T) { - d := dockerutil.MakeDocker(t) - defer d.CleanUp() - - // Should work without ReadOnly - if _, err := d.Run(dockerutil.RunOpts{ - Image: "basic/alpine", - WorkDir: "/tmp/foo/bar", - }, "touch", "/tmp/foo/bar/file"); err != nil { - t.Fatalf("docker run failed: %v", err) - } - - // Expect failure. - if _, err := d.Run(dockerutil.RunOpts{ - Image: "basic/alpine", - WorkDir: "/tmp/foo/bar", - ReadOnly: true, - }, "touch", "/tmp/foo/bar/file"); err == nil { - t.Fatalf("docker run expected failure, but succeeded") - } -} - -func TestMain(m *testing.M) { - dockerutil.EnsureSupportedDockerVersion() - flag.Parse() - os.Exit(m.Run()) -} |