mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
403 lines
8.8 KiB
Go
403 lines
8.8 KiB
Go
package docker
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import (
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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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"strings"
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"testing"
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"time"
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"github.com/docker/docker/runconfig"
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)
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func TestKillDifferentUser(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"cat"},
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OpenStdin: true,
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User: "daemon",
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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// FIXME @shykes: this seems redundant, but is very old, I'm leaving it in case
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// there is a side effect I'm not seeing.
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// defer container.stdin.Close()
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if container.State.IsRunning() {
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t.Errorf("Container shouldn't be running")
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}
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if err := container.Start(); err != nil {
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t.Fatal(err)
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}
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setTimeout(t, "Waiting for the container to be started timed out", 2*time.Second, func() {
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for !container.State.IsRunning() {
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time.Sleep(10 * time.Millisecond)
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}
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})
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setTimeout(t, "read/write assertion timed out", 2*time.Second, func() {
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out, _ := container.StdoutPipe()
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in, _ := container.StdinPipe()
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if err := assertPipe("hello\n", "hello", out, in, 150); err != nil {
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t.Fatal(err)
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}
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})
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if err := container.Kill(); err != nil {
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t.Fatal(err)
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}
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if container.State.IsRunning() {
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t.Errorf("Container shouldn't be running")
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}
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container.State.WaitStop(-1 * time.Second)
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if container.State.IsRunning() {
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t.Errorf("Container shouldn't be running")
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}
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// Try stopping twice
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if err := container.Kill(); err != nil {
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t.Fatal(err)
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}
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}
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func TestRestartStdin(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"cat"},
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OpenStdin: true,
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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stdin, err := container.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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stdout, err := container.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := container.Start(); err != nil {
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t.Fatal(err)
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}
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if _, err := io.WriteString(stdin, "hello world"); err != nil {
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t.Fatal(err)
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}
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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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container.State.WaitStop(-1 * time.Second)
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output, err := ioutil.ReadAll(stdout)
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if err != nil {
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t.Fatal(err)
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}
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if err := stdout.Close(); err != nil {
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t.Fatal(err)
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}
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if string(output) != "hello world" {
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t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
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}
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// Restart and try again
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stdin, err = container.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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stdout, err = container.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := container.Start(); err != nil {
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t.Fatal(err)
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}
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if _, err := io.WriteString(stdin, "hello world #2"); err != nil {
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t.Fatal(err)
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}
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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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container.State.WaitStop(-1 * time.Second)
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output, err = ioutil.ReadAll(stdout)
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if err != nil {
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t.Fatal(err)
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}
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if err := stdout.Close(); err != nil {
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t.Fatal(err)
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}
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if string(output) != "hello world #2" {
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t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world #2", string(output))
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}
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}
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func TestStdin(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"cat"},
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OpenStdin: true,
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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stdin, err := container.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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stdout, err := container.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := container.Start(); err != nil {
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t.Fatal(err)
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}
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defer stdin.Close()
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defer stdout.Close()
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if _, err := io.WriteString(stdin, "hello world"); err != nil {
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t.Fatal(err)
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}
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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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container.State.WaitStop(-1 * time.Second)
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output, err := ioutil.ReadAll(stdout)
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if err != nil {
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t.Fatal(err)
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}
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if string(output) != "hello world" {
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t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
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}
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}
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func TestTty(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"cat"},
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OpenStdin: true,
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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stdin, err := container.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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stdout, err := container.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := container.Start(); err != nil {
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t.Fatal(err)
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}
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defer stdin.Close()
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defer stdout.Close()
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if _, err := io.WriteString(stdin, "hello world"); err != nil {
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t.Fatal(err)
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}
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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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container.State.WaitStop(-1 * time.Second)
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output, err := ioutil.ReadAll(stdout)
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if err != nil {
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t.Fatal(err)
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}
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if string(output) != "hello world" {
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t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
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}
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}
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func TestEntrypoint(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(
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&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Entrypoint: []string{"/bin/echo"},
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Cmd: []string{"-n", "foobar"},
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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output, err := container.Output()
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if err != nil {
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t.Fatal(err)
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}
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if string(output) != "foobar" {
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t.Error(string(output))
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}
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}
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func TestEntrypointNoCmd(t *testing.T) {
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daemon := mkDaemon(t)
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defer nuke(daemon)
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container, _, err := daemon.Create(
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&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Entrypoint: []string{"/bin/echo", "foobar"},
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},
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"",
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)
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if err != nil {
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t.Fatal(err)
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}
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defer daemon.Destroy(container)
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output, err := container.Output()
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if err != nil {
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t.Fatal(err)
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}
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if strings.Trim(string(output), "\r\n") != "foobar" {
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t.Error(string(output))
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}
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}
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func BenchmarkRunSequential(b *testing.B) {
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daemon := mkDaemon(b)
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defer nuke(daemon)
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for i := 0; i < b.N; i++ {
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"echo", "-n", "foo"},
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},
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"",
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)
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if err != nil {
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b.Fatal(err)
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}
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defer daemon.Destroy(container)
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output, err := container.Output()
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if err != nil {
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b.Fatal(err)
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}
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if string(output) != "foo" {
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b.Fatalf("Unexpected output: %s", output)
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}
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if err := daemon.Destroy(container); err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkRunParallel(b *testing.B) {
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daemon := mkDaemon(b)
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defer nuke(daemon)
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var tasks []chan error
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for i := 0; i < b.N; i++ {
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complete := make(chan error)
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tasks = append(tasks, complete)
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go func(i int, complete chan error) {
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container, _, err := daemon.Create(&runconfig.Config{
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Image: GetTestImage(daemon).ID,
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Cmd: []string{"echo", "-n", "foo"},
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},
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"",
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)
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if err != nil {
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complete <- err
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return
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}
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defer daemon.Destroy(container)
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if err := container.Start(); err != nil {
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complete <- err
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return
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}
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if _, err := container.State.WaitStop(15 * time.Second); err != nil {
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complete <- err
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return
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}
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// if string(output) != "foo" {
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// complete <- fmt.Errorf("Unexecpted output: %v", string(output))
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// }
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if err := daemon.Destroy(container); err != nil {
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complete <- err
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return
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}
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complete <- nil
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}(i, complete)
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}
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var errors []error
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for _, task := range tasks {
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err := <-task
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if err != nil {
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errors = append(errors, err)
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}
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}
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if len(errors) > 0 {
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b.Fatal(errors)
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}
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}
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func tempDir(t *testing.T) string {
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tmpDir, err := ioutil.TempDir("", "docker-test-container")
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if err != nil {
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t.Fatal(err)
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}
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return tmpDir
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}
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func TestBindMounts(t *testing.T) {
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eng := NewTestEngine(t)
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r := mkDaemonFromEngine(eng, t)
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defer r.Nuke()
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tmpDir := tempDir(t)
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defer os.RemoveAll(tmpDir)
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writeFile(path.Join(tmpDir, "touch-me"), "", t)
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// Test reading from a read-only bind mount
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stdout, _ := runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "_", "ls", "/tmp"}, t)
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if !strings.Contains(stdout, "touch-me") {
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t.Fatal("Container failed to read from bind mount")
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}
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// test writing to bind mount
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runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "_", "touch", "/tmp/holla"}, t)
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readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
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// test mounting to an illegal destination directory
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if _, err := runContainer(eng, r, []string{"-v", fmt.Sprintf("%s:.", tmpDir), "_", "ls", "."}, nil); err == nil {
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t.Fatal("Container bind mounted illegal directory")
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}
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// test mount a file
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runContainer(eng, r, []string{"-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "_", "sh", "-c", "echo -n 'yotta' > /tmp/holla"}, t)
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content := readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
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if content != "yotta" {
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t.Fatal("Container failed to write to bind mount file")
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}
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}
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