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-rw-r--r--test/e2e/integration_test.go284
1 files changed, 172 insertions, 112 deletions
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go
index 28064e557..91c956e10 100644
--- a/test/e2e/integration_test.go
+++ b/test/e2e/integration_test.go
@@ -27,14 +27,15 @@ import (
"net"
"net/http"
"os"
+ "os/exec"
"strconv"
"strings"
"syscall"
"testing"
"time"
- "gvisor.dev/gvisor/runsc/dockerutil"
- "gvisor.dev/gvisor/runsc/testutil"
+ "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.
@@ -53,65 +54,66 @@ 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) {
- if err := dockerutil.Pull("nginx"); err != nil {
- t.Fatal("docker pull failed:", err)
- }
- d := dockerutil.MakeDocker("lifecycle-test")
- if err := d.Create("-p", "80", "nginx"); err != nil {
- t.Fatal("docker create failed:", err)
+ 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 {
- d.CleanUp()
- t.Fatal("docker start failed:", err)
+ t.Fatalf("docker start failed: %v", err)
}
- // Test that container is working
+ // Test that container is working.
port, err := d.FindPort(80)
if err != nil {
- t.Fatal("docker.FindPort(80) failed: ", err)
+ t.Fatalf("docker.FindPort(80) failed: %v", err)
}
if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
- t.Fatal("WaitForHTTP() timeout:", err)
+ t.Fatalf("WaitForHTTP() timeout: %v", err)
}
client := http.Client{Timeout: time.Duration(2 * time.Second)}
if err := httpRequestSucceeds(client, "localhost", port); err != nil {
- t.Error("http request failed:", err)
+ t.Errorf("http request failed: %v", err)
}
if err := d.Stop(); err != nil {
- d.CleanUp()
- t.Fatal("docker stop failed:", err)
+ t.Fatalf("docker stop failed: %v", err)
}
if err := d.Remove(); err != nil {
- t.Fatal("docker rm failed:", err)
+ t.Fatalf("docker rm failed: %v", err)
}
}
func TestPauseResume(t *testing.T) {
- const img = "gcr.io/gvisor-presubmit/python-hello"
if !testutil.IsCheckpointSupported() {
- t.Log("Checkpoint is not supported, skipping test.")
- return
+ t.Skip("Checkpoint is not supported.")
}
- if err := dockerutil.Pull(img); err != nil {
- t.Fatal("docker pull failed:", err)
- }
- d := dockerutil.MakeDocker("pause-resume-test")
- if err := d.Run("-p", "8080", img); err != nil {
+ 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)
}
- defer d.CleanUp()
// Find where port 8080 is mapped to.
port, err := d.FindPort(8080)
if err != nil {
- t.Fatal("docker.FindPort(8080) failed:", err)
+ 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.Fatal("WaitForHTTP() timeout:", err)
+ t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check that container is working.
@@ -121,7 +123,7 @@ func TestPauseResume(t *testing.T) {
}
if err := d.Pause(); err != nil {
- t.Fatal("docker pause failed:", err)
+ t.Fatalf("docker pause failed: %v", err)
}
// Check if container is paused.
@@ -137,12 +139,12 @@ func TestPauseResume(t *testing.T) {
}
if err := d.Unpause(); err != nil {
- t.Fatal("docker unpause failed:", err)
+ 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.Fatal("WaitForHTTP() timeout:", err)
+ t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check if container is working again.
@@ -152,45 +154,43 @@ func TestPauseResume(t *testing.T) {
}
func TestCheckpointRestore(t *testing.T) {
- const img = "gcr.io/gvisor-presubmit/python-hello"
if !testutil.IsCheckpointSupported() {
- t.Log("Pause/resume is not supported, skipping test.")
- return
+ t.Skip("Pause/resume is not supported.")
}
- if err := dockerutil.Pull(img); err != nil {
- t.Fatal("docker pull failed:", err)
- }
- d := dockerutil.MakeDocker("save-restore-test")
- if err := d.Run("-p", "8080", img); err != nil {
+ 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)
}
- defer d.CleanUp()
+ // Create a snapshot.
if err := d.Checkpoint("test"); err != nil {
- t.Fatal("docker checkpoint failed:", err)
+ t.Fatalf("docker checkpoint failed: %v", err)
}
-
if _, err := d.Wait(30 * time.Second); err != nil {
- t.Fatal(err)
+ t.Fatalf("wait failed: %v", err)
}
- // TODO(b/143498576): Remove after github.com/moby/moby/issues/38963 is fixed.
- time.Sleep(1 * time.Second)
-
- if err := d.Restore("test"); err != nil {
- t.Fatal("docker restore failed:", 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.Fatal("docker.FindPort(8080) failed:", err)
+ 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.Fatal("WaitForHTTP() timeout:", err)
+ t.Fatalf("WaitForHTTP() timeout: %v", err)
}
// Check if container is working again.
@@ -202,26 +202,28 @@ 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("connect-to-self-test")
+ 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.Run("ubuntu:trusty", "/bin/sh", "-c", "echo server | nc -l -p 8080 && sleep 1"); err != nil {
- t.Fatal("docker run failed:", err)
+ 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)
}
- defer d.CleanUp()
// Finds IP address for host.
- ip, err := d.Exec("/bin/sh", "-c", "cat /etc/hosts | grep ${HOSTNAME} | awk '{print $1}'")
+ ip, err := d.Exec(dockerutil.RunOpts{}, "/bin/sh", "-c", "cat /etc/hosts | grep ${HOSTNAME} | awk '{print $1}'")
if err != nil {
- t.Fatal("docker exec failed:", err)
+ t.Fatalf("docker exec failed: %v", err)
}
ip = strings.TrimRight(ip, "\n")
// Runs client that sends "client" to the server and exits.
- reply, err := d.Exec("/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip))
+ reply, err := d.Exec(dockerutil.RunOpts{}, "/bin/sh", "-c", fmt.Sprintf("echo client | nc %s 8080", ip))
if err != nil {
- t.Fatal("docker exec failed:", err)
+ t.Fatalf("docker exec failed: %v", err)
}
// Ensure both client and server got the message from each other.
@@ -229,21 +231,24 @@ func TestConnectToSelf(t *testing.T) {
t.Errorf("Error on server, want: %q, got: %q", want, reply)
}
if _, err := d.WaitForOutput("^client\n$", 1*time.Second); err != nil {
- t.Fatal("docker.WaitForOutput(client) timeout:", err)
+ t.Fatalf("docker.WaitForOutput(client) timeout: %v", err)
}
}
func TestMemLimit(t *testing.T) {
- if err := dockerutil.Pull("alpine"); err != nil {
- t.Fatal("docker pull failed:", err)
- }
- d := dockerutil.MakeDocker("cgroup-test")
- cmd := "cat /proc/meminfo | grep MemTotal: | awk '{print $2}'"
- out, err := d.RunFg("--memory=500MB", "alpine", "sh", "-c", cmd)
+ d := dockerutil.MakeDocker(t)
+ defer d.CleanUp()
+
+ // 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{
+ Image: "basic/alpine",
+ Memory: allocMemory, // In kB.
+ }, "sh", "-c", "cat /proc/meminfo | grep MemTotal: | awk '{print $2}'")
if err != nil {
- t.Fatal("docker run failed:", err)
+ t.Fatalf("docker run failed: %v", err)
}
- defer d.CleanUp()
// Remove warning message that swap isn't present.
if strings.HasPrefix(out, "WARNING") {
@@ -254,27 +259,30 @@ func TestMemLimit(t *testing.T) {
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(500 * 1024); got != want {
+ if want := uint64(allocMemory); got != want {
t.Errorf("MemTotal got: %d, want: %d", got, want)
}
}
func TestNumCPU(t *testing.T) {
- if err := dockerutil.Pull("alpine"); err != nil {
- t.Fatal("docker pull failed:", err)
- }
- d := dockerutil.MakeDocker("cgroup-test")
- cmd := "cat /proc/cpuinfo | grep 'processor.*:' | wc -l"
- out, err := d.RunFg("--cpuset-cpus=0", "alpine", "sh", "-c", cmd)
+ 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.Fatal("docker run failed:", err)
+ t.Fatalf("docker run failed: %v", err)
}
- defer d.CleanUp()
+ // 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)
@@ -286,39 +294,39 @@ func TestNumCPU(t *testing.T) {
// TestJobControl tests that job control characters are handled properly.
func TestJobControl(t *testing.T) {
- if err := dockerutil.Pull("alpine"); err != nil {
- t.Fatalf("docker pull failed: %v", err)
- }
- d := dockerutil.MakeDocker("job-control-test")
+ d := dockerutil.MakeDocker(t)
+ defer d.CleanUp()
// Start the container with an attached PTY.
- _, ptmx, err := d.RunWithPty("alpine", "sh")
- if err != nil {
+ 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)
}
- defer ptmx.Close()
- defer d.CleanUp()
-
- // 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)
- }
// Wait for the container to exit.
got, err := d.Wait(5 * time.Second)
@@ -331,17 +339,69 @@ func TestJobControl(t *testing.T) {
}
}
-// TestTmpFile checks that files inside '/tmp' are not overridden. In addition,
-// it checks that working dir is created if it doesn't exit.
+// 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) {
+ d := dockerutil.MakeDocker(t)
+ defer d.CleanUp()
+
+ opts := dockerutil.RunOpts{
+ Image: "basic/alpine",
+ WorkDir: tc.workingDir,
+ ReadOnly: readonly,
+ }
+ got, err := d.Run(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) {
- if err := dockerutil.Pull("alpine"); err != nil {
- t.Fatal("docker pull failed:", err)
+ d := dockerutil.MakeDocker(t)
+ defer d.CleanUp()
+
+ opts := dockerutil.RunOpts{Image: "tmpfile"}
+ got, err := d.Run(opts, "cat", "/tmp/foo/file.txt")
+ if err != nil {
+ t.Fatalf("docker run failed: %v", err)
}
- d := dockerutil.MakeDocker("tmp-file-test")
- if err := d.Run("-w=/tmp/foo/bar", "--read-only", "alpine", "touch", "/tmp/foo/bar/file"); err != nil {
- t.Fatal("docker run failed:", err)
+ if want := "123\n"; 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) {
+ d := dockerutil.MakeDocker(t)
defer d.CleanUp()
+
+ if _, err := d.Run(dockerutil.RunOpts{
+ Image: "hostoverlaytest",
+ WorkDir: "/root",
+ }, "./test"); err != nil {
+ t.Fatalf("docker run failed: %v", err)
+ }
}
func TestMain(m *testing.M) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-31 02:29:24 +0000