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Diffstat (limited to 'runsc/container/console_test.go')
-rw-r--r--runsc/container/console_test.go141
1 files changed, 69 insertions, 72 deletions
diff --git a/runsc/container/console_test.go b/runsc/container/console_test.go
index 7d67c3a75..294dca5e7 100644
--- a/runsc/container/console_test.go
+++ b/runsc/container/console_test.go
@@ -20,7 +20,6 @@ import (
"io"
"os"
"path/filepath"
- "sync"
"syscall"
"testing"
"time"
@@ -28,9 +27,11 @@ import (
"github.com/kr/pty"
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/sentry/control"
+ "gvisor.dev/gvisor/pkg/sentry/kernel"
+ "gvisor.dev/gvisor/pkg/sync"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/pkg/unet"
"gvisor.dev/gvisor/pkg/urpc"
- "gvisor.dev/gvisor/runsc/testutil"
)
// socketPath creates a path inside bundleDir and ensures that the returned
@@ -57,25 +58,26 @@ func socketPath(bundleDir string) (string, error) {
}
// createConsoleSocket creates a socket at the given path that will receive a
-// console fd from the sandbox. If no error occurs, it returns the server
-// socket and a cleanup function.
-func createConsoleSocket(path string) (*unet.ServerSocket, func() error, error) {
+// console fd from the sandbox. If an error occurs, t.Fatalf will be called.
+// The function returning should be deferred as cleanup.
+func createConsoleSocket(t *testing.T, path string) (*unet.ServerSocket, func()) {
+ t.Helper()
srv, err := unet.BindAndListen(path, false)
if err != nil {
- return nil, nil, fmt.Errorf("error binding and listening to socket %q: %v", path, err)
+ t.Fatalf("error binding and listening to socket %q: %v", path, err)
}
- cleanup := func() error {
+ cleanup := func() {
+ // Log errors; nothing can be done.
if err := srv.Close(); err != nil {
- return fmt.Errorf("error closing socket %q: %v", path, err)
+ t.Logf("error closing socket %q: %v", path, err)
}
if err := os.Remove(path); err != nil {
- return fmt.Errorf("error removing socket %q: %v", path, err)
+ t.Logf("error removing socket %q: %v", path, err)
}
- return nil
}
- return srv, cleanup, nil
+ return srv, cleanup
}
// receiveConsolePTY accepts a connection on the server socket and reads fds.
@@ -117,63 +119,59 @@ func receiveConsolePTY(srv *unet.ServerSocket) (*os.File, error) {
// Test that an pty FD is sent over the console socket if one is provided.
func TestConsoleSocket(t *testing.T) {
- for _, conf := range configs(all...) {
- t.Logf("Running test with conf: %+v", conf)
- spec := testutil.NewSpecWithArgs("true")
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs("true")
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- sock, err := socketPath(bundleDir)
- if err != nil {
- t.Fatalf("error getting socket path: %v", err)
- }
- srv, cleanup, err := createConsoleSocket(sock)
- if err != nil {
- t.Fatalf("error creating socket at %q: %v", sock, err)
- }
- defer cleanup()
-
- // Create the container and pass the socket name.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- ConsoleSocket: sock,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
+ sock, err := socketPath(bundleDir)
+ if err != nil {
+ t.Fatalf("error getting socket path: %v", err)
+ }
+ srv, cleanup := createConsoleSocket(t, sock)
+ defer cleanup()
+
+ // Create the container and pass the socket name.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ ConsoleSocket: sock,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
- // Make sure we get a console PTY.
- ptyMaster, err := receiveConsolePTY(srv)
- if err != nil {
- t.Fatalf("error receiving console FD: %v", err)
- }
- ptyMaster.Close()
+ // Make sure we get a console PTY.
+ ptyMaster, err := receiveConsolePTY(srv)
+ if err != nil {
+ t.Fatalf("error receiving console FD: %v", err)
+ }
+ ptyMaster.Close()
+ })
}
}
// Test that job control signals work on a console created with "exec -ti".
func TestJobControlSignalExec(t *testing.T) {
spec := testutil.NewSpecWithArgs("/bin/sleep", "10000")
- conf := testutil.TestConfig()
+ conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -195,7 +193,10 @@ func TestJobControlSignalExec(t *testing.T) {
defer ptyMaster.Close()
defer ptySlave.Close()
- // Exec bash and attach a terminal.
+ // Exec bash and attach a terminal. Note that occasionally /bin/sh
+ // may be a different shell or have a different configuration (such
+ // as disabling interactive mode and job control). Since we want to
+ // explicitly test interactive mode, use /bin/bash. See b/116981926.
execArgs := &control.ExecArgs{
Filename: "/bin/bash",
// Don't let bash execute from profile or rc files, otherwise
@@ -219,9 +220,9 @@ func TestJobControlSignalExec(t *testing.T) {
// Make sure all the processes are running.
expectedPL := []*control.Process{
// Root container process.
- {PID: 1, Cmd: "sleep"},
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
// Bash from exec process.
- {PID: 2, Cmd: "bash"},
+ {PID: 2, Cmd: "bash", Threads: []kernel.ThreadID{2}},
}
if err := waitForProcessList(c, expectedPL); err != nil {
t.Error(err)
@@ -231,7 +232,7 @@ func TestJobControlSignalExec(t *testing.T) {
ptyMaster.Write([]byte("sleep 100\n"))
// Wait for it to start. Sleep's PPID is bash's PID.
- expectedPL = append(expectedPL, &control.Process{PID: 3, PPID: 2, Cmd: "sleep"})
+ expectedPL = append(expectedPL, &control.Process{PID: 3, PPID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{3}})
if err := waitForProcessList(c, expectedPL); err != nil {
t.Error(err)
}
@@ -282,32 +283,28 @@ func TestJobControlSignalExec(t *testing.T) {
// Test that job control signals work on a console created with "run -ti".
func TestJobControlSignalRootContainer(t *testing.T) {
- conf := testutil.TestConfig()
+ conf := testutil.TestConfig(t)
// Don't let bash execute from profile or rc files, otherwise our PID
// counts get messed up.
spec := testutil.NewSpecWithArgs("/bin/bash", "--noprofile", "--norc")
spec.Process.Terminal = true
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
sock, err := socketPath(bundleDir)
if err != nil {
t.Fatalf("error getting socket path: %v", err)
}
- srv, cleanup, err := createConsoleSocket(sock)
- if err != nil {
- t.Fatalf("error creating socket at %q: %v", sock, err)
- }
+ srv, cleanup := createConsoleSocket(t, sock)
defer cleanup()
// Create the container and pass the socket name.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
ConsoleSocket: sock,
@@ -329,13 +326,13 @@ func TestJobControlSignalRootContainer(t *testing.T) {
// file. Writes after a certain point will block unless we drain the
// PTY, so we must continually copy from it.
//
- // We log the output to stdout for debugabilitly, and also to a buffer,
+ // We log the output to stderr for debugabilitly, and also to a buffer,
// since we wait on particular output from bash below. We use a custom
// blockingBuffer which is thread-safe and also blocks on Read calls,
// which makes this a suitable Reader for WaitUntilRead.
ptyBuf := newBlockingBuffer()
tee := io.TeeReader(ptyMaster, ptyBuf)
- go io.Copy(os.Stdout, tee)
+ go io.Copy(os.Stderr, tee)
// Start the container.
if err := c.Start(conf); err != nil {
@@ -361,19 +358,19 @@ func TestJobControlSignalRootContainer(t *testing.T) {
// Wait for bash to start.
expectedPL := []*control.Process{
- {PID: 1, Cmd: "bash"},
+ {PID: 1, Cmd: "bash", Threads: []kernel.ThreadID{1}},
}
if err := waitForProcessList(c, expectedPL); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Execute sleep via the terminal.
ptyMaster.Write([]byte("sleep 100\n"))
// Wait for sleep to start.
- expectedPL = append(expectedPL, &control.Process{PID: 2, PPID: 1, Cmd: "sleep"})
+ expectedPL = append(expectedPL, &control.Process{PID: 2, PPID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{2}})
if err := waitForProcessList(c, expectedPL); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Reset the pty buffer, so there is less output for us to scan later.