зеркало из https://github.com/microsoft/docker.git
1168 строки
30 KiB
Go
1168 строки
30 KiB
Go
package docker
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import (
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"bufio"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path"
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"regexp"
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"strconv"
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"strings"
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"syscall"
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"testing"
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"time"
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"github.com/dotcloud/docker/api/client"
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"github.com/dotcloud/docker/daemon"
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"github.com/dotcloud/docker/engine"
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"github.com/dotcloud/docker/image"
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"github.com/dotcloud/docker/pkg/term"
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"github.com/dotcloud/docker/utils"
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)
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func closeWrap(args ...io.Closer) error {
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e := false
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ret := fmt.Errorf("Error closing elements")
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for _, c := range args {
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if err := c.Close(); err != nil {
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e = true
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ret = fmt.Errorf("%s\n%s", ret, err)
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}
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}
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if e {
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return ret
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}
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return nil
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}
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func setRaw(t *testing.T, c *daemon.Container) *term.State {
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pty, err := c.GetPtyMaster()
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if err != nil {
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t.Fatal(err)
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}
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state, err := term.MakeRaw(pty.Fd())
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if err != nil {
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t.Fatal(err)
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}
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return state
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}
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func unsetRaw(t *testing.T, c *daemon.Container, state *term.State) {
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pty, err := c.GetPtyMaster()
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if err != nil {
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t.Fatal(err)
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}
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term.RestoreTerminal(pty.Fd(), state)
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}
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func waitContainerStart(t *testing.T, timeout time.Duration) *daemon.Container {
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var container *daemon.Container
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setTimeout(t, "Waiting for the container to be started timed out", timeout, func() {
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for {
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l := globalDaemon.List()
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if len(l) == 1 && l[0].State.IsRunning() {
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container = l[0]
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break
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}
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time.Sleep(10 * time.Millisecond)
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}
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})
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if container == nil {
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t.Fatal("An error occured while waiting for the container to start")
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}
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return container
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}
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func setTimeout(t *testing.T, msg string, d time.Duration, f func()) {
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c := make(chan bool)
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// Make sure we are not too long
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go func() {
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time.Sleep(d)
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c <- true
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}()
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go func() {
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f()
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c <- false
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}()
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if <-c && msg != "" {
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t.Fatal(msg)
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}
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}
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func expectPipe(expected string, r io.Reader) error {
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o, err := bufio.NewReader(r).ReadString('\n')
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if err != nil {
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return err
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}
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if strings.Trim(o, " \r\n") != expected {
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return fmt.Errorf("Unexpected output. Expected [%s], received [%s]", expected, o)
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}
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return nil
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}
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func assertPipe(input, output string, r io.Reader, w io.Writer, count int) error {
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for i := 0; i < count; i++ {
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if _, err := w.Write([]byte(input)); err != nil {
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return err
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}
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if err := expectPipe(output, r); err != nil {
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return err
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}
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}
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return nil
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}
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// TestRunHostname checks that 'docker run -h' correctly sets a custom hostname
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func TestRunHostname(t *testing.T) {
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c := make(chan struct{})
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go func() {
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defer close(c)
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if err := cli.CmdRun("-h", "foobar", unitTestImageID, "hostname"); err != nil {
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t.Fatal(err)
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}
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}()
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setTimeout(t, "Reading command output time out", 2*time.Second, func() {
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cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
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if err != nil {
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t.Fatal(err)
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}
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if cmdOutput != "foobar\n" {
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t.Fatalf("'hostname' should display '%s', not '%s'", "foobar\n", cmdOutput)
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}
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})
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container := globalDaemon.List()[0]
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setTimeout(t, "CmdRun timed out", 10*time.Second, func() {
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<-c
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go func() {
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cli.CmdWait(container.ID)
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}()
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if _, err := bufio.NewReader(stdout).ReadString('\n'); err != nil {
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t.Fatal(err)
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}
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})
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// Cleanup pipes
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if err := closeWrap(stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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}
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// TestRunWorkdir checks that 'docker run -w' correctly sets a custom working directory
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func TestRunWorkdir(t *testing.T) {
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c := make(chan struct{})
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go func() {
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defer close(c)
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if err := cli.CmdRun("-w", "/foo/bar", unitTestImageID, "pwd"); err != nil {
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t.Fatal(err)
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}
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}()
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setTimeout(t, "Reading command output time out", 2*time.Second, func() {
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cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
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if err != nil {
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t.Fatal(err)
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}
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if cmdOutput != "/foo/bar\n" {
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t.Fatalf("'pwd' should display '%s', not '%s'", "/foo/bar\n", cmdOutput)
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}
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})
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container := globalDaemon.List()[0]
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setTimeout(t, "CmdRun timed out", 10*time.Second, func() {
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<-c
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go func() {
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cli.CmdWait(container.ID)
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}()
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if _, err := bufio.NewReader(stdout).ReadString('\n'); err != nil {
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t.Fatal(err)
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}
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})
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// Cleanup pipes
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if err := closeWrap(stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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}
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// TestRunWorkdirExists checks that 'docker run -w' correctly sets a custom working directory, even if it exists
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func TestRunWorkdirExists(t *testing.T) {
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c := make(chan struct{})
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go func() {
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defer close(c)
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if err := cli.CmdRun("-w", "/proc", unitTestImageID, "pwd"); err != nil {
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t.Fatal(err)
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}
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}()
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setTimeout(t, "Reading command output time out", 2*time.Second, func() {
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cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
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if err != nil {
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t.Fatal(err)
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}
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if cmdOutput != "/proc\n" {
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t.Fatalf("'pwd' should display '%s', not '%s'", "/proc\n", cmdOutput)
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}
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})
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container := globalDaemon.List()[0]
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setTimeout(t, "CmdRun timed out", 5*time.Second, func() {
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<-c
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go func() {
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cli.CmdWait(container.ID)
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}()
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if _, err := bufio.NewReader(stdout).ReadString('\n'); err != nil {
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t.Fatal(err)
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}
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})
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// Cleanup pipes
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if err := closeWrap(stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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}
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// TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
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func TestRunWorkdirExistsAndIsFile(t *testing.T) {
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cli := client.NewDockerCli(nil, nil, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c := make(chan struct{})
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go func() {
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defer close(c)
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if err := cli.CmdRun("-w", "/bin/cat", unitTestImageID, "pwd"); err == nil {
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t.Fatal("should have failed to run when using /bin/cat as working dir.")
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}
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}()
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setTimeout(t, "CmdRun timed out", 5*time.Second, func() {
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<-c
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})
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}
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func TestRunExit(t *testing.T) {
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stdin, stdinPipe := io.Pipe()
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c1 := make(chan struct{})
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go func() {
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cli.CmdRun("-i", unitTestImageID, "/bin/cat")
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close(c1)
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}()
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setTimeout(t, "Read/Write assertion timed out", 2*time.Second, func() {
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if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
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t.Fatal(err)
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}
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})
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container := globalDaemon.List()[0]
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// Closing /bin/cat stdin, expect it to exit
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if err := stdin.Close(); err != nil {
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t.Fatal(err)
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}
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// as the process exited, CmdRun must finish and unblock. Wait for it
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setTimeout(t, "Waiting for CmdRun timed out", 10*time.Second, func() {
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<-c1
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go func() {
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cli.CmdWait(container.ID)
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}()
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if _, err := bufio.NewReader(stdout).ReadString('\n'); err != nil {
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t.Fatal(err)
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}
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})
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// Make sure that the client has been disconnected
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setTimeout(t, "The client should have been disconnected once the remote process exited.", 2*time.Second, func() {
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// Expecting pipe i/o error, just check that read does not block
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stdin.Read([]byte{})
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})
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// Cleanup pipes
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if err := closeWrap(stdin, stdinPipe, stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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}
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// Expected behaviour: the process dies when the client disconnects
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func TestRunDisconnect(t *testing.T) {
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stdin, stdinPipe := io.Pipe()
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c1 := make(chan struct{})
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go func() {
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// We're simulating a disconnect so the return value doesn't matter. What matters is the
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// fact that CmdRun returns.
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cli.CmdRun("-i", unitTestImageID, "/bin/cat")
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close(c1)
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}()
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setTimeout(t, "Read/Write assertion timed out", 2*time.Second, func() {
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if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
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t.Fatal(err)
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}
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})
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// Close pipes (simulate disconnect)
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if err := closeWrap(stdin, stdinPipe, stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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// as the pipes are close, we expect the process to die,
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// therefore CmdRun to unblock. Wait for CmdRun
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setTimeout(t, "Waiting for CmdRun timed out", 2*time.Second, func() {
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<-c1
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})
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// Client disconnect after run -i should cause stdin to be closed, which should
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// cause /bin/cat to exit.
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setTimeout(t, "Waiting for /bin/cat to exit timed out", 2*time.Second, func() {
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container := globalDaemon.List()[0]
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container.Wait()
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if container.State.IsRunning() {
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t.Fatalf("/bin/cat is still running after closing stdin")
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}
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})
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}
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// Expected behaviour: the process stay alive when the client disconnects
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// but the client detaches.
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func TestRunDisconnectTty(t *testing.T) {
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stdin, stdinPipe := io.Pipe()
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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c1 := make(chan struct{})
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go func() {
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defer close(c1)
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// We're simulating a disconnect so the return value doesn't matter. What matters is the
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// fact that CmdRun returns.
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if err := cli.CmdRun("-i", "-t", unitTestImageID, "/bin/cat"); err != nil {
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utils.Debugf("Error CmdRun: %s", err)
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}
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}()
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container := waitContainerStart(t, 10*time.Second)
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state := setRaw(t, container)
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defer unsetRaw(t, container, state)
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// Client disconnect after run -i should keep stdin out in TTY mode
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setTimeout(t, "Read/Write assertion timed out", 2*time.Second, func() {
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if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
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t.Fatal(err)
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}
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})
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// Close pipes (simulate disconnect)
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if err := closeWrap(stdin, stdinPipe, stdout, stdoutPipe); err != nil {
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t.Fatal(err)
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}
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// wait for CmdRun to return
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setTimeout(t, "Waiting for CmdRun timed out", 5*time.Second, func() {
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<-c1
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})
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// In tty mode, we expect the process to stay alive even after client's stdin closes.
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// Give some time to monitor to do his thing
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container.WaitTimeout(500 * time.Millisecond)
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if !container.State.IsRunning() {
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t.Fatalf("/bin/cat should still be running after closing stdin (tty mode)")
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}
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}
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// TestAttachStdin checks attaching to stdin without stdout and stderr.
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// 'docker run -i -a stdin' should sends the client's stdin to the command,
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// then detach from it and print the container id.
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func TestRunAttachStdin(t *testing.T) {
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stdin, stdinPipe := io.Pipe()
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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ch := make(chan struct{})
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go func() {
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defer close(ch)
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cli.CmdRun("-i", "-a", "stdin", unitTestImageID, "sh", "-c", "echo hello && cat && sleep 5")
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}()
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// Send input to the command, close stdin
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setTimeout(t, "Write timed out", 10*time.Second, func() {
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if _, err := stdinPipe.Write([]byte("hi there\n")); err != nil {
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t.Fatal(err)
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}
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if err := stdinPipe.Close(); err != nil {
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t.Fatal(err)
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}
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})
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container := globalDaemon.List()[0]
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// Check output
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setTimeout(t, "Reading command output time out", 10*time.Second, func() {
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cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
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if err != nil {
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t.Fatal(err)
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}
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if cmdOutput != container.ID+"\n" {
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t.Fatalf("Wrong output: should be '%s', not '%s'\n", container.ID+"\n", cmdOutput)
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}
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})
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// wait for CmdRun to return
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setTimeout(t, "Waiting for CmdRun timed out", 5*time.Second, func() {
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<-ch
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})
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setTimeout(t, "Waiting for command to exit timed out", 10*time.Second, func() {
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container.Wait()
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})
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// Check logs
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if cmdLogs, err := container.ReadLog("json"); err != nil {
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t.Fatal(err)
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} else {
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if output, err := ioutil.ReadAll(cmdLogs); err != nil {
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t.Fatal(err)
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} else {
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expectedLogs := []string{"{\"log\":\"hello\\n\",\"stream\":\"stdout\"", "{\"log\":\"hi there\\n\",\"stream\":\"stdout\""}
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for _, expectedLog := range expectedLogs {
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if !strings.Contains(string(output), expectedLog) {
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t.Fatalf("Unexpected logs: should contains '%s', it is not '%s'\n", expectedLog, output)
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}
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}
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}
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}
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}
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// TestRunDetach checks attaching and detaching with the escape sequence.
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func TestRunDetach(t *testing.T) {
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stdin, stdinPipe := io.Pipe()
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stdout, stdoutPipe := io.Pipe()
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cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
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defer cleanup(globalEngine, t)
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ch := make(chan struct{})
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go func() {
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defer close(ch)
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cli.CmdRun("-i", "-t", unitTestImageID, "cat")
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}()
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container := waitContainerStart(t, 10*time.Second)
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state := setRaw(t, container)
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defer unsetRaw(t, container, state)
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setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() {
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if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
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t.Fatal(err)
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}
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})
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setTimeout(t, "Escape sequence timeout", 5*time.Second, func() {
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stdinPipe.Write([]byte{16})
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time.Sleep(100 * time.Millisecond)
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stdinPipe.Write([]byte{17})
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})
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// wait for CmdRun to return
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setTimeout(t, "Waiting for CmdRun timed out", 15*time.Second, func() {
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<-ch
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})
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closeWrap(stdin, stdinPipe, stdout, stdoutPipe)
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time.Sleep(500 * time.Millisecond)
|
|
if !container.State.IsRunning() {
|
|
t.Fatal("The detached container should be still running")
|
|
}
|
|
|
|
setTimeout(t, "Waiting for container to die timed out", 20*time.Second, func() {
|
|
container.Kill()
|
|
})
|
|
}
|
|
|
|
// TestAttachDetach checks that attach in tty mode can be detached using the long container ID
|
|
func TestAttachDetach(t *testing.T) {
|
|
stdin, stdinPipe := io.Pipe()
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
ch := make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
if err := cli.CmdRun("-i", "-t", "-d", unitTestImageID, "cat"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
container := waitContainerStart(t, 10*time.Second)
|
|
|
|
setTimeout(t, "Reading container's id timed out", 10*time.Second, func() {
|
|
buf := make([]byte, 1024)
|
|
n, err := stdout.Read(buf)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if strings.Trim(string(buf[:n]), " \r\n") != container.ID {
|
|
t.Fatalf("Wrong ID received. Expect %s, received %s", container.ID, buf[:n])
|
|
}
|
|
})
|
|
setTimeout(t, "Starting container timed out", 10*time.Second, func() {
|
|
<-ch
|
|
})
|
|
|
|
state := setRaw(t, container)
|
|
defer unsetRaw(t, container, state)
|
|
|
|
stdin, stdinPipe = io.Pipe()
|
|
stdout, stdoutPipe = io.Pipe()
|
|
cli = client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
|
|
ch = make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
if err := cli.CmdAttach(container.ID); err != nil {
|
|
if err != io.ErrClosedPipe {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() {
|
|
if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
|
|
if err != io.ErrClosedPipe {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "Escape sequence timeout", 5*time.Second, func() {
|
|
stdinPipe.Write([]byte{16})
|
|
time.Sleep(100 * time.Millisecond)
|
|
stdinPipe.Write([]byte{17})
|
|
})
|
|
|
|
// wait for CmdRun to return
|
|
setTimeout(t, "Waiting for CmdAttach timed out", 15*time.Second, func() {
|
|
<-ch
|
|
})
|
|
|
|
closeWrap(stdin, stdinPipe, stdout, stdoutPipe)
|
|
|
|
time.Sleep(500 * time.Millisecond)
|
|
if !container.State.IsRunning() {
|
|
t.Fatal("The detached container should be still running")
|
|
}
|
|
|
|
setTimeout(t, "Waiting for container to die timedout", 5*time.Second, func() {
|
|
container.Kill()
|
|
})
|
|
}
|
|
|
|
// TestAttachDetachTruncatedID checks that attach in tty mode can be detached
|
|
func TestAttachDetachTruncatedID(t *testing.T) {
|
|
stdin, stdinPipe := io.Pipe()
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
// Discard the CmdRun output
|
|
go stdout.Read(make([]byte, 1024))
|
|
setTimeout(t, "Starting container timed out", 2*time.Second, func() {
|
|
if err := cli.CmdRun("-i", "-t", "-d", unitTestImageID, "cat"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
container := waitContainerStart(t, 10*time.Second)
|
|
|
|
state := setRaw(t, container)
|
|
defer unsetRaw(t, container, state)
|
|
|
|
stdin, stdinPipe = io.Pipe()
|
|
stdout, stdoutPipe = io.Pipe()
|
|
cli = client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
|
|
ch := make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
if err := cli.CmdAttach(utils.TruncateID(container.ID)); err != nil {
|
|
if err != io.ErrClosedPipe {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() {
|
|
if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
|
|
if err != io.ErrClosedPipe {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "Escape sequence timeout", 5*time.Second, func() {
|
|
stdinPipe.Write([]byte{16})
|
|
time.Sleep(100 * time.Millisecond)
|
|
stdinPipe.Write([]byte{17})
|
|
})
|
|
|
|
// wait for CmdRun to return
|
|
setTimeout(t, "Waiting for CmdAttach timed out", 15*time.Second, func() {
|
|
<-ch
|
|
})
|
|
closeWrap(stdin, stdinPipe, stdout, stdoutPipe)
|
|
|
|
time.Sleep(500 * time.Millisecond)
|
|
if !container.State.IsRunning() {
|
|
t.Fatal("The detached container should be still running")
|
|
}
|
|
|
|
setTimeout(t, "Waiting for container to die timedout", 5*time.Second, func() {
|
|
container.Kill()
|
|
})
|
|
}
|
|
|
|
// Expected behaviour, the process stays alive when the client disconnects
|
|
func TestAttachDisconnect(t *testing.T) {
|
|
stdin, stdinPipe := io.Pipe()
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
cli := client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
go func() {
|
|
// Start a process in daemon mode
|
|
if err := cli.CmdRun("-d", "-i", unitTestImageID, "/bin/cat"); err != nil {
|
|
utils.Debugf("Error CmdRun: %s", err)
|
|
}
|
|
}()
|
|
|
|
setTimeout(t, "Waiting for CmdRun timed out", 10*time.Second, func() {
|
|
if _, err := bufio.NewReader(stdout).ReadString('\n'); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "Waiting for the container to be started timed out", 10*time.Second, func() {
|
|
for {
|
|
l := globalDaemon.List()
|
|
if len(l) == 1 && l[0].State.IsRunning() {
|
|
break
|
|
}
|
|
time.Sleep(10 * time.Millisecond)
|
|
}
|
|
})
|
|
|
|
container := globalDaemon.List()[0]
|
|
|
|
// Attach to it
|
|
c1 := make(chan struct{})
|
|
go func() {
|
|
// We're simulating a disconnect so the return value doesn't matter. What matters is the
|
|
// fact that CmdAttach returns.
|
|
cli.CmdAttach(container.ID)
|
|
close(c1)
|
|
}()
|
|
|
|
setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() {
|
|
if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 150); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
// Close pipes (client disconnects)
|
|
if err := closeWrap(stdin, stdinPipe, stdout, stdoutPipe); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Wait for attach to finish, the client disconnected, therefore, Attach finished his job
|
|
setTimeout(t, "Waiting for CmdAttach timed out", 2*time.Second, func() {
|
|
<-c1
|
|
})
|
|
|
|
// We closed stdin, expect /bin/cat to still be running
|
|
// Wait a little bit to make sure container.monitor() did his thing
|
|
err := container.WaitTimeout(500 * time.Millisecond)
|
|
if err == nil || !container.State.IsRunning() {
|
|
t.Fatalf("/bin/cat is not running after closing stdin")
|
|
}
|
|
|
|
// Try to avoid the timeout in destroy. Best effort, don't check error
|
|
cStdin, _ := container.StdinPipe()
|
|
cStdin.Close()
|
|
container.Wait()
|
|
}
|
|
|
|
// Expected behaviour: container gets deleted automatically after exit
|
|
func TestRunAutoRemove(t *testing.T) {
|
|
t.Skip("Fixme. Skipping test for now, race condition")
|
|
stdout, stdoutPipe := io.Pipe()
|
|
cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
if err := cli.CmdRun("--rm", unitTestImageID, "hostname"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
var temporaryContainerID string
|
|
setTimeout(t, "Reading command output time out", 2*time.Second, func() {
|
|
cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
temporaryContainerID = cmdOutput
|
|
if err := closeWrap(stdout, stdoutPipe); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "CmdRun timed out", 10*time.Second, func() {
|
|
<-c
|
|
})
|
|
|
|
time.Sleep(500 * time.Millisecond)
|
|
|
|
if len(globalDaemon.List()) > 0 {
|
|
t.Fatalf("failed to remove container automatically: container %s still exists", temporaryContainerID)
|
|
}
|
|
}
|
|
|
|
func TestCmdLogs(t *testing.T) {
|
|
t.Skip("Test not impemented")
|
|
cli := client.NewDockerCli(nil, ioutil.Discard, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
if err := cli.CmdRun(unitTestImageID, "sh", "-c", "ls -l"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := cli.CmdRun("-t", unitTestImageID, "sh", "-c", "ls -l"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := cli.CmdLogs(globalDaemon.List()[0].ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// Expected behaviour: error out when attempting to bind mount non-existing source paths
|
|
func TestRunErrorBindNonExistingSource(t *testing.T) {
|
|
|
|
cli := client.NewDockerCli(nil, nil, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
// This check is made at runtime, can't be "unit tested"
|
|
if err := cli.CmdRun("-v", "/i/dont/exist:/tmp", unitTestImageID, "echo 'should fail'"); err == nil {
|
|
t.Fatal("should have failed to run when using /i/dont/exist as a source for the bind mount")
|
|
}
|
|
}()
|
|
|
|
setTimeout(t, "CmdRun timed out", 5*time.Second, func() {
|
|
<-c
|
|
})
|
|
}
|
|
|
|
func TestImagesViz(t *testing.T) {
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
image := buildTestImages(t, globalEngine)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
if err := cli.CmdImages("--viz"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
stdoutPipe.Close()
|
|
}()
|
|
|
|
setTimeout(t, "Reading command output time out", 2*time.Second, func() {
|
|
cmdOutputBytes, err := ioutil.ReadAll(bufio.NewReader(stdout))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cmdOutput := string(cmdOutputBytes)
|
|
|
|
regexpStrings := []string{
|
|
"digraph docker {",
|
|
fmt.Sprintf("base -> \"%s\" \\[style=invis]", unitTestImageIDShort),
|
|
fmt.Sprintf("label=\"%s\\\\n%s:latest\"", unitTestImageIDShort, unitTestImageName),
|
|
fmt.Sprintf("label=\"%s\\\\n%s:%s\"", utils.TruncateID(image.ID), "test", "latest"),
|
|
"base \\[style=invisible]",
|
|
}
|
|
|
|
compiledRegexps := []*regexp.Regexp{}
|
|
for _, regexpString := range regexpStrings {
|
|
regexp, err := regexp.Compile(regexpString)
|
|
if err != nil {
|
|
fmt.Println("Error in regex string: ", err)
|
|
return
|
|
}
|
|
compiledRegexps = append(compiledRegexps, regexp)
|
|
}
|
|
|
|
for _, regexp := range compiledRegexps {
|
|
if !regexp.MatchString(cmdOutput) {
|
|
t.Fatalf("images --viz content '%s' did not match regexp '%s'", cmdOutput, regexp)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestImagesTree(t *testing.T) {
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
image := buildTestImages(t, globalEngine)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
if err := cli.CmdImages("--tree"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
stdoutPipe.Close()
|
|
}()
|
|
|
|
setTimeout(t, "Reading command output time out", 2*time.Second, func() {
|
|
cmdOutputBytes, err := ioutil.ReadAll(bufio.NewReader(stdout))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cmdOutput := string(cmdOutputBytes)
|
|
regexpStrings := []string{
|
|
fmt.Sprintf("└─%s Virtual Size: \\d+.\\d+ MB Tags: %s:latest", unitTestImageIDShort, unitTestImageName),
|
|
"(?m) └─[0-9a-f]+.*",
|
|
"(?m) └─[0-9a-f]+.*",
|
|
"(?m) └─[0-9a-f]+.*",
|
|
fmt.Sprintf("(?m)^ └─%s Virtual Size: \\d+.\\d+ MB Tags: test:latest", utils.TruncateID(image.ID)),
|
|
}
|
|
|
|
compiledRegexps := []*regexp.Regexp{}
|
|
for _, regexpString := range regexpStrings {
|
|
regexp, err := regexp.Compile(regexpString)
|
|
if err != nil {
|
|
fmt.Println("Error in regex string: ", err)
|
|
return
|
|
}
|
|
compiledRegexps = append(compiledRegexps, regexp)
|
|
}
|
|
|
|
for _, regexp := range compiledRegexps {
|
|
if !regexp.MatchString(cmdOutput) {
|
|
t.Fatalf("images --tree content '%s' did not match regexp '%s'", cmdOutput, regexp)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func buildTestImages(t *testing.T, eng *engine.Engine) *image.Image {
|
|
|
|
var testBuilder = testContextTemplate{
|
|
`
|
|
from {IMAGE}
|
|
run sh -c 'echo root:testpass > /tmp/passwd'
|
|
run mkdir -p /var/run/sshd
|
|
run [ "$(cat /tmp/passwd)" = "root:testpass" ]
|
|
run [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]
|
|
`,
|
|
nil,
|
|
nil,
|
|
}
|
|
image, err := buildImage(testBuilder, t, eng, true)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := eng.Job("tag", image.ID, "test").Run(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return image
|
|
}
|
|
|
|
// #2098 - Docker cidFiles only contain short version of the containerId
|
|
//sudo docker run --cidfile /tmp/docker_test.cid ubuntu echo "test"
|
|
// TestRunCidFile tests that run --cidfile returns the longid
|
|
func TestRunCidFileCheckIDLength(t *testing.T) {
|
|
stdout, stdoutPipe := io.Pipe()
|
|
|
|
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
tmpCidFile := path.Join(tmpDir, "cid")
|
|
|
|
cli := client.NewDockerCli(nil, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
if err := cli.CmdRun("--cidfile", tmpCidFile, unitTestImageID, "ls"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
defer os.RemoveAll(tmpDir)
|
|
setTimeout(t, "Reading command output time out", 2*time.Second, func() {
|
|
cmdOutput, err := bufio.NewReader(stdout).ReadString('\n')
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(cmdOutput) < 1 {
|
|
t.Fatalf("'ls' should return something , not '%s'", cmdOutput)
|
|
}
|
|
//read the tmpCidFile
|
|
buffer, err := ioutil.ReadFile(tmpCidFile)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
id := string(buffer)
|
|
|
|
if len(id) != len("2bf44ea18873287bd9ace8a4cb536a7cbe134bed67e805fdf2f58a57f69b320c") {
|
|
t.Fatalf("--cidfile should be a long id, not '%s'", id)
|
|
}
|
|
//test that its a valid cid? (though the container is gone..)
|
|
//remove the file and dir.
|
|
})
|
|
|
|
setTimeout(t, "CmdRun timed out", 5*time.Second, func() {
|
|
<-c
|
|
})
|
|
|
|
}
|
|
|
|
// Ensure that CIDFile gets deleted if it's empty
|
|
// Perform this test by making `docker run` fail
|
|
func TestRunCidFileCleanupIfEmpty(t *testing.T) {
|
|
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
tmpCidFile := path.Join(tmpDir, "cid")
|
|
|
|
cli := client.NewDockerCli(nil, ioutil.Discard, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
c := make(chan struct{})
|
|
go func() {
|
|
defer close(c)
|
|
if err := cli.CmdRun("--cidfile", tmpCidFile, unitTestImageID); err == nil {
|
|
t.Fatal("running without a command should haveve failed")
|
|
}
|
|
if _, err := os.Stat(tmpCidFile); err == nil {
|
|
t.Fatalf("empty CIDFile '%s' should've been deleted", tmpCidFile)
|
|
}
|
|
}()
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
setTimeout(t, "CmdRun timed out", 5*time.Second, func() {
|
|
<-c
|
|
})
|
|
}
|
|
|
|
func TestContainerOrphaning(t *testing.T) {
|
|
|
|
// setup a temporary directory
|
|
tmpDir, err := ioutil.TempDir("", "project")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
// setup a CLI and server
|
|
cli := client.NewDockerCli(nil, ioutil.Discard, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
defer cleanup(globalEngine, t)
|
|
srv := mkServerFromEngine(globalEngine, t)
|
|
|
|
// closure to build something
|
|
buildSomething := func(template string, image string) string {
|
|
dockerfile := path.Join(tmpDir, "Dockerfile")
|
|
replacer := strings.NewReplacer("{IMAGE}", unitTestImageID)
|
|
contents := replacer.Replace(template)
|
|
ioutil.WriteFile(dockerfile, []byte(contents), 0x777)
|
|
if err := cli.CmdBuild("-t", image, tmpDir); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
job := globalEngine.Job("image_get", image)
|
|
info, _ := job.Stdout.AddEnv()
|
|
if err := job.Run(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return info.Get("Id")
|
|
}
|
|
|
|
// build an image
|
|
imageName := "orphan-test"
|
|
template1 := `
|
|
from {IMAGE}
|
|
cmd ["/bin/echo", "holla"]
|
|
`
|
|
img1 := buildSomething(template1, imageName)
|
|
|
|
// create a container using the fist image
|
|
if err := cli.CmdRun(imageName); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// build a new image that splits lineage
|
|
template2 := `
|
|
from {IMAGE}
|
|
cmd ["/bin/echo", "holla"]
|
|
expose 22
|
|
`
|
|
buildSomething(template2, imageName)
|
|
|
|
// remove the second image by name
|
|
resp := engine.NewTable("", 0)
|
|
if err := srv.DeleteImage(imageName, resp, true, false, false); err == nil {
|
|
t.Fatal("Expected error, got none")
|
|
}
|
|
|
|
// see if we deleted the first image (and orphaned the container)
|
|
for _, i := range resp.Data {
|
|
if img1 == i.Get("Deleted") {
|
|
t.Fatal("Orphaned image with container")
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
func TestCmdKill(t *testing.T) {
|
|
var (
|
|
stdin, stdinPipe = io.Pipe()
|
|
stdout, stdoutPipe = io.Pipe()
|
|
cli = client.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
cli2 = client.NewDockerCli(nil, ioutil.Discard, ioutil.Discard, testDaemonProto, testDaemonAddr, nil)
|
|
)
|
|
defer cleanup(globalEngine, t)
|
|
|
|
ch := make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
cli.CmdRun("-i", "-t", unitTestImageID, "sh", "-c", "trap 'echo SIGUSR1' USR1; trap 'echo SIGUSR2' USR2; echo Ready; while true; do read; done")
|
|
}()
|
|
|
|
container := waitContainerStart(t, 10*time.Second)
|
|
|
|
setTimeout(t, "Read Ready timed out", 3*time.Second, func() {
|
|
if err := expectPipe("Ready", stdout); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "SIGUSR1 timed out", 2*time.Second, func() {
|
|
for i := 0; i < 10; i++ {
|
|
if err := cli2.CmdKill("-s", strconv.Itoa(int(syscall.SIGUSR1)), container.ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := expectPipe("SIGUSR1", stdout); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
|
|
setTimeout(t, "SIGUSR2 timed out", 2*time.Second, func() {
|
|
for i := 0; i < 20; i++ {
|
|
sig := "USR2"
|
|
if i%2 != 0 {
|
|
// Swap to testing "SIGUSR2" for every odd iteration
|
|
sig = "SIGUSR2"
|
|
}
|
|
if err := cli2.CmdKill("--signal="+sig, container.ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := expectPipe("SIGUSR2", stdout); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
|
|
stdout.Close()
|
|
time.Sleep(500 * time.Millisecond)
|
|
if !container.State.IsRunning() {
|
|
t.Fatal("The container should be still running")
|
|
}
|
|
|
|
setTimeout(t, "Waiting for container timedout", 5*time.Second, func() {
|
|
if err := cli2.CmdKill(container.ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
<-ch
|
|
if err := cli2.CmdWait(container.ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
closeWrap(stdin, stdinPipe, stdout, stdoutPipe)
|
|
}
|