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moby--moby/integration/container_test.go
Fabio Falci 9da6c80533 Move docker restart tests to integration cli
Docker-DCO-1.1-Signed-off-by: Fabio Falci <fabiofalci@gmail.com> (github: fabiofalci)
2014-07-02 21:56:19 +01:00

497 lines
12 KiB
Go

package docker
import (
"fmt"
"io"
"io/ioutil"
"os"
"path"
"strings"
"testing"
"time"
"github.com/dotcloud/docker/runconfig"
)
func TestKillDifferentUser(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
User: "daemon",
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
// FIXME @shykes: this seems redundant, but is very old, I'm leaving it in case
// there is a side effect I'm not seeing.
// defer container.stdin.Close()
if container.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
setTimeout(t, "Waiting for the container to be started timed out", 2*time.Second, func() {
for !container.State.IsRunning() {
time.Sleep(10 * time.Millisecond)
}
})
setTimeout(t, "read/write assertion timed out", 2*time.Second, func() {
out, _ := container.StdoutPipe()
in, _ := container.StdinPipe()
if err := assertPipe("hello\n", "hello", out, in, 150); err != nil {
t.Fatal(err)
}
})
if err := container.Kill(); err != nil {
t.Fatal(err)
}
if container.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
container.State.WaitStop(-1 * time.Second)
if container.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
// Try stopping twice
if err := container.Kill(); err != nil {
t.Fatal(err)
}
}
func TestRestartStdin(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.State.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if err := stdout.Close(); err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
// Restart and try again
stdin, err = container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err = container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(stdin, "hello world #2"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.State.WaitStop(-1 * time.Second)
output, err = ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if err := stdout.Close(); err != nil {
t.Fatal(err)
}
if string(output) != "hello world #2" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world #2", string(output))
}
}
func TestStdin(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
defer stdin.Close()
defer stdout.Close()
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.State.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
}
func TestTty(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
defer stdin.Close()
defer stdout.Close()
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.State.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
}
func TestEntrypoint(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(
&runconfig.Config{
Image: GetTestImage(daemon).ID,
Entrypoint: []string{"/bin/echo"},
Cmd: []string{"-n", "foobar"},
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
output, err := container.Output()
if err != nil {
t.Fatal(err)
}
if string(output) != "foobar" {
t.Error(string(output))
}
}
func TestEntrypointNoCmd(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(
&runconfig.Config{
Image: GetTestImage(daemon).ID,
Entrypoint: []string{"/bin/echo", "foobar"},
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
output, err := container.Output()
if err != nil {
t.Fatal(err)
}
if strings.Trim(string(output), "\r\n") != "foobar" {
t.Error(string(output))
}
}
func BenchmarkRunSequential(b *testing.B) {
daemon := mkDaemon(b)
defer nuke(daemon)
for i := 0; i < b.N; i++ {
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"echo", "-n", "foo"},
},
"",
)
if err != nil {
b.Fatal(err)
}
defer daemon.Destroy(container)
output, err := container.Output()
if err != nil {
b.Fatal(err)
}
if string(output) != "foo" {
b.Fatalf("Unexpected output: %s", output)
}
if err := daemon.Destroy(container); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkRunParallel(b *testing.B) {
daemon := mkDaemon(b)
defer nuke(daemon)
var tasks []chan error
for i := 0; i < b.N; i++ {
complete := make(chan error)
tasks = append(tasks, complete)
go func(i int, complete chan error) {
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"echo", "-n", "foo"},
},
"",
)
if err != nil {
complete <- err
return
}
defer daemon.Destroy(container)
if err := container.Start(); err != nil {
complete <- err
return
}
if _, err := container.State.WaitStop(15 * time.Second); err != nil {
complete <- err
return
}
// if string(output) != "foo" {
// complete <- fmt.Errorf("Unexecpted output: %v", string(output))
// }
if err := daemon.Destroy(container); err != nil {
complete <- err
return
}
complete <- nil
}(i, complete)
}
var errors []error
for _, task := range tasks {
err := <-task
if err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
b.Fatal(errors)
}
}
func tempDir(t *testing.T) string {
tmpDir, err := ioutil.TempDir("", "docker-test-container")
if err != nil {
t.Fatal(err)
}
return tmpDir
}
// Test for #1737
func TestCopyVolumeUidGid(t *testing.T) {
eng := NewTestEngine(t)
r := mkDaemonFromEngine(eng, t)
defer r.Nuke()
// Add directory not owned by root
container1, _, _ := mkContainer(r, []string{"_", "/bin/sh", "-c", "mkdir -p /hello && touch /hello/test && chown daemon.daemon /hello"}, t)
defer r.Destroy(container1)
if container1.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
if err := container1.Run(); err != nil {
t.Fatal(err)
}
if container1.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
img, err := r.Commit(container1, "", "", "unit test commited image", "", true, nil)
if err != nil {
t.Error(err)
}
// Test that the uid and gid is copied from the image to the volume
tmpDir1 := tempDir(t)
defer os.RemoveAll(tmpDir1)
stdout1, _ := runContainer(eng, r, []string{"-v", "/hello", img.ID, "stat", "-c", "%U %G", "/hello"}, t)
if !strings.Contains(stdout1, "daemon daemon") {
t.Fatal("Container failed to transfer uid and gid to volume")
}
container2, _, _ := mkContainer(r, []string{"_", "/bin/sh", "-c", "mkdir -p /hello && chown daemon.daemon /hello"}, t)
defer r.Destroy(container1)
if container2.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
if err := container2.Run(); err != nil {
t.Fatal(err)
}
if container2.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
img2, err := r.Commit(container2, "", "", "unit test commited image", "", true, nil)
if err != nil {
t.Error(err)
}
// Test that the uid and gid is copied from the image to the volume
tmpDir2 := tempDir(t)
defer os.RemoveAll(tmpDir2)
stdout2, _ := runContainer(eng, r, []string{"-v", "/hello", img2.ID, "stat", "-c", "%U %G", "/hello"}, t)
if !strings.Contains(stdout2, "daemon daemon") {
t.Fatal("Container failed to transfer uid and gid to volume")
}
}
// Test for #1582
func TestCopyVolumeContent(t *testing.T) {
eng := NewTestEngine(t)
r := mkDaemonFromEngine(eng, t)
defer r.Nuke()
// Put some content in a directory of a container and commit it
container1, _, _ := mkContainer(r, []string{"_", "/bin/sh", "-c", "mkdir -p /hello/local && echo hello > /hello/local/world"}, t)
defer r.Destroy(container1)
if container1.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
if err := container1.Run(); err != nil {
t.Fatal(err)
}
if container1.State.IsRunning() {
t.Errorf("Container shouldn't be running")
}
img, err := r.Commit(container1, "", "", "unit test commited image", "", true, nil)
if err != nil {
t.Error(err)
}
// Test that the content is copied from the image to the volume
tmpDir1 := tempDir(t)
defer os.RemoveAll(tmpDir1)
stdout1, _ := runContainer(eng, r, []string{"-v", "/hello", img.ID, "find", "/hello"}, t)
if !(strings.Contains(stdout1, "/hello/local/world") && strings.Contains(stdout1, "/hello/local")) {
t.Fatal("Container failed to transfer content to volume")
}
}
func TestBindMounts(t *testing.T) {
eng := NewTestEngine(t)
r := mkDaemonFromEngine(eng, t)
defer r.Nuke()
tmpDir := tempDir(t)
defer os.RemoveAll(tmpDir)
writeFile(path.Join(tmpDir, "touch-me"), "", t)
// Test reading from a read-only bind mount
stdout, _ := runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "_", "ls", "/tmp"}, t)
if !strings.Contains(stdout, "touch-me") {
t.Fatal("Container failed to read from bind mount")
}
// test writing to bind mount
runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "_", "touch", "/tmp/holla"}, t)
readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
// test mounting to an illegal destination directory
if _, err := runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:.", tmpDir), "_", "ls", "."}, nil); err == nil {
t.Fatal("Container bind mounted illegal directory")
}
// test mount a file
runContainer(eng, r, []string{"-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "_", "sh", "-c", "echo -n 'yotta' > /tmp/holla"}, t)
content := readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
if content != "yotta" {
t.Fatal("Container failed to write to bind mount file")
}
}