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moby--moby/integration-cli/docker_cli_run_test.go
Ahmet Alp Balkan 004ac85aa2 integ-cli: remove ICMP dependency from test, use nslookup 
As we started running CI machines on Azure cloud and Azure
doesn't have ICMP stack implemented by replacing
`ping 8.8.8.8` with `nslookup google.com`.

Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
2015-03-11 14:27:11 -07:00

3274 lines
96 KiB
Go
Raw Blame History

package main
import (
"bufio"
"bytes"
"fmt"
"io/ioutil"
"net"
"os"
"os/exec"
"path"
"path/filepath"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/docker/docker/nat"
"github.com/docker/docker/pkg/networkfs/resolvconf"
)
// "test123" should be printed by docker run
func TestRunEchoStdout(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test123\n" {
t.Errorf("container should've printed 'test123'")
}
logDone("run - echo test123")
}
// "test" should be printed
func TestRunEchoStdoutWithMemoryLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = strings.Trim(out, "\r\n")
if expected := "test"; out != expected {
t.Errorf("container should've printed %q but printed %q", expected, out)
}
logDone("run - echo with memory limit")
}
// should run without memory swap
func TestRunWithoutMemoryswapLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("failed to run container, output: %q", out)
}
logDone("run - without memory swap limit")
}
// "test" should be printed
func TestRunEchoStdoutWitCPULimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test'")
}
logDone("run - echo with CPU limit")
}
// "test" should be printed
func TestRunEchoStdoutWithCPUAndMemoryLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test', got %q instead", out)
}
logDone("run - echo with CPU and memory limit")
}
// "test" should be printed
func TestRunEchoNamedContainer(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test'")
}
if err := deleteContainer("testfoonamedcontainer"); err != nil {
t.Errorf("failed to remove the named container: %v", err)
}
logDone("run - echo with named container")
}
// docker run should not leak file descriptors
func TestRunLeakyFileDescriptors(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
// normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
if out != "0 1 2 3\n" {
t.Errorf("container should've printed '0 1 2 3', not: %s", out)
}
logDone("run - check file descriptor leakage")
}
// it should be possible to lookup Google DNS
// this will fail when Internet access is unavailable
func TestRunLookupGoogleDns(t *testing.T) {
defer deleteAllContainers()
out, _, _, err := runCommandWithStdoutStderr(exec.Command(dockerBinary, "run", "busybox", "nslookup", "google.com"))
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
logDone("run - nslookup google.com")
}
// the exit code should be 0
// some versions of lxc might make this test fail
func TestRunExitCodeZero(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "true")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Errorf("container should've exited with exit code 0: %s, %v", out, err)
}
logDone("run - exit with 0")
}
// the exit code should be 1
// some versions of lxc might make this test fail
func TestRunExitCodeOne(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "false")
exitCode, err := runCommand(runCmd)
if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
t.Fatal(err)
}
if exitCode != 1 {
t.Errorf("container should've exited with exit code 1")
}
logDone("run - exit with 1")
}
// it should be possible to pipe in data via stdin to a process running in a container
// some versions of lxc might make this test fail
func TestRunStdinPipe(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
inspectCmd := exec.Command(dockerBinary, "inspect", out)
if out, _, err := runCommandWithOutput(inspectCmd); err != nil {
t.Fatalf("out should've been a container id: %s %v", out, err)
}
waitCmd := exec.Command(dockerBinary, "wait", out)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
logsCmd := exec.Command(dockerBinary, "logs", out)
logsOut, _, err := runCommandWithOutput(logsCmd)
if err != nil {
t.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err)
}
containerLogs := stripTrailingCharacters(logsOut)
if containerLogs != "blahblah" {
t.Errorf("logs didn't print the container's logs %s", containerLogs)
}
rmCmd := exec.Command(dockerBinary, "rm", out)
if out, _, err = runCommandWithOutput(rmCmd); err != nil {
t.Fatalf("rm failed to remove container: %s, %v", out, err)
}
logDone("run - pipe in with -i -a stdin")
}
// the container's ID should be printed when starting a container in detached mode
func TestRunDetachedContainerIDPrinting(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
inspectCmd := exec.Command(dockerBinary, "inspect", out)
if inspectOut, _, err := runCommandWithOutput(inspectCmd); err != nil {
t.Fatalf("out should've been a container id: %s %v", inspectOut, err)
}
waitCmd := exec.Command(dockerBinary, "wait", out)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
rmCmd := exec.Command(dockerBinary, "rm", out)
rmOut, _, err := runCommandWithOutput(rmCmd)
if err != nil {
t.Fatalf("rm failed to remove container: %s, %v", rmOut, err)
}
rmOut = stripTrailingCharacters(rmOut)
if rmOut != out {
t.Errorf("rm didn't print the container ID %s %s", out, rmOut)
}
logDone("run - print container ID in detached mode")
}
// the working directory should be set correctly
func TestRunWorkingDirectory(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
if out != "/root" {
t.Errorf("-w failed to set working directory")
}
runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd")
out, _, _, err = runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatal(out, err)
}
out = stripTrailingCharacters(out)
if out != "/root" {
t.Errorf("--workdir failed to set working directory")
}
logDone("run - run with working directory set by -w")
logDone("run - run with working directory set by --workdir")
}
// pinging Google's DNS resolver should fail when we disable the networking
func TestRunWithoutNetworking(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
out, _, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 1 {
t.Fatal(out, err)
}
if exitCode != 1 {
t.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
}
runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
out, _, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 1 {
t.Fatal(out, err)
}
if exitCode != 1 {
t.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
}
logDone("run - disable networking with --net=none")
logDone("run - disable networking with -n=false")
}
//test --link use container name to link target
func TestRunLinksContainerWithContainerName(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
out, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", "parent")
ip, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to inspect container: %v, output: %q", err, ip)
}
ip = strings.TrimSpace(ip)
cmd = exec.Command(dockerBinary, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, ip+" test") {
t.Fatalf("use a container name to link target failed")
}
logDone("run - use a container name to link target work")
}
//test --link use container id to link target
func TestRunLinksContainerWithContainerId(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "busybox")
cID, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, cID)
}
cID = strings.TrimSpace(cID)
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", cID)
ip, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("faild to inspect container: %v, output: %q", err, ip)
}
ip = strings.TrimSpace(ip)
cmd = exec.Command(dockerBinary, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, ip+" test") {
t.Fatalf("use a container id to link target failed")
}
logDone("run - use a container id to link target work")
}
// Regression test for #4741
func TestRunWithVolumesAsFiles(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true")
out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("1", out, stderr, err)
}
runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file")
out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("2", out, stderr, err)
}
logDone("run - regression test for #4741 - volumes from as files")
}
// Regression test for #4979
func TestRunWithVolumesFromExited(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("1", out, stderr, err)
}
runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("2", out, stderr, err)
}
logDone("run - regression test for #4979 - volumes-from on exited container")
}
// Regression test for #4830
func TestRunWithRelativePath(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true")
if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil {
t.Fatalf("relative path should result in an error")
}
logDone("run - volume with relative path")
}
func TestRunVolumesMountedAsReadonly(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatalf("run should fail because volume is ro: exit code %d", code)
}
logDone("run - volumes as readonly mount")
}
func TestRunVolumesFromInReadonlyMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatalf("run should fail because volume is ro: exit code %d", code)
}
logDone("run - volumes from as readonly mount")
}
// Regression test for #1201
func TestRunVolumesFromInReadWriteMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatalf("running --volumes-from parent:rw failed with output: %q\nerror: %v", out, err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") {
t.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err)
}
logDone("run - volumes from as read write mount")
}
func TestVolumesFromGetsProperMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Expect this "rw" mode to be be ignored since the inheritted volume is "ro"
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
if _, err := runCommand(cmd); err == nil {
t.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
}
cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Expect this to be read-only since both are "ro"
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file")
if _, err := runCommand(cmd); err == nil {
t.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
}
logDone("run - volumes from ignores `rw` if inherrited volume is `ro`")
}
// Test for GH#10618
func TestRunNoDupVolumes(t *testing.T) {
defer deleteAllContainers()
mountstr1 := randomUnixTmpDirPath("test1") + ":/someplace"
mountstr2 := randomUnixTmpDirPath("test2") + ":/someplace"
cmd := exec.Command(dockerBinary, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true")
if out, _, err := runCommandWithOutput(cmd); err == nil {
t.Fatal("Expected error about duplicate volume definitions")
} else {
if !strings.Contains(out, "Duplicate volume") {
t.Fatalf("Expected 'duplicate volume' error, got %v", err)
}
}
logDone("run - don't allow multiple (bind) volumes on the same container target")
}
// Test for #1351
func TestRunApplyVolumesFromBeforeVolumes(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(out, err)
}
logDone("run - volumes from mounted first")
}
func TestRunMultipleVolumesFrom(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2",
"busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - multiple volumes from")
}
// this tests verifies the ID format for the container
func TestRunVerifyContainerID(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, exit, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if exit != 0 {
t.Fatalf("expected exit code 0 received %d", exit)
}
match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
if err != nil {
t.Fatal(err)
}
if !match {
t.Fatalf("Invalid container ID: %s", out)
}
logDone("run - verify container ID")
}
// Test that creating a container with a volume doesn't crash. Regression test for #995.
func TestRunCreateVolume(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - create docker managed volume")
}
// Test that creating a volume with a symlink in its path works correctly. Test for #5152.
// Note that this bug happens only with symlinks with a target that starts with '/'.
func TestRunCreateVolumeWithSymlink(t *testing.T) {
defer deleteAllContainers()
image := "docker-test-createvolumewithsymlink"
defer deleteImages(image)
buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
buildCmd.Stdin = strings.NewReader(`FROM busybox
RUN ln -s home /bar`)
buildCmd.Dir = workingDirectory
err := buildCmd.Run()
if err != nil {
t.Fatalf("could not build '%s': %v", image, err)
}
cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
exitCode, err := runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
var volPath string
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink")
volPath, exitCode, err = runCommandWithOutput(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode)
}
cmd = exec.Command(dockerBinary, "rm", "-v", "test-createvolumewithsymlink")
exitCode, err = runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
}
f, err := os.Open(volPath)
defer f.Close()
if !os.IsNotExist(err) {
t.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
}
logDone("run - create volume with symlink")
}
// Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
func TestRunVolumesFromSymlinkPath(t *testing.T) {
defer deleteAllContainers()
name := "docker-test-volumesfromsymlinkpath"
defer deleteImages(name)
buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
buildCmd.Stdin = strings.NewReader(`FROM busybox
RUN ln -s home /foo
VOLUME ["/foo/bar"]`)
buildCmd.Dir = workingDirectory
err := buildCmd.Run()
if err != nil {
t.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
}
cmd := exec.Command(dockerBinary, "run", "--name", "test-volumesfromsymlinkpath", name)
exitCode, err := runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar")
exitCode, err = runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
logDone("run - volumes-from symlink path")
}
func TestRunExitCode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72")
exit, err := runCommand(cmd)
if err == nil {
t.Fatal("should not have a non nil error")
}
if exit != 72 {
t.Fatalf("expected exit code 72 received %d", exit)
}
logDone("run - correct exit code")
}
func TestRunUserDefaultsToRoot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
t.Fatalf("expected root user got %s", out)
}
logDone("run - default user")
}
func TestRunUserByName(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
t.Fatalf("expected root user got %s", out)
}
logDone("run - user by name")
}
func TestRunUserByID(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
t.Fatalf("expected daemon user got %s", out)
}
logDone("run - user by id")
}
func TestRunUserByIDBig(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("No error, but must be.", out)
}
if !strings.Contains(out, "Uids and gids must be in range") {
t.Fatalf("expected error about uids range, got %s", out)
}
logDone("run - user by id, id too big")
}
func TestRunUserByIDNegative(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("No error, but must be.", out)
}
if !strings.Contains(out, "Uids and gids must be in range") {
t.Fatalf("expected error about uids range, got %s", out)
}
logDone("run - user by id, id negative")
}
func TestRunUserByIDZero(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
t.Fatalf("expected daemon user got %s", out)
}
logDone("run - user by id, zero uid")
}
func TestRunUserNotFound(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id")
_, err := runCommand(cmd)
if err == nil {
t.Fatal("unknown user should cause container to fail")
}
logDone("run - user not found")
}
func TestRunTwoConcurrentContainers(t *testing.T) {
defer deleteAllContainers()
group := sync.WaitGroup{}
group.Add(2)
for i := 0; i < 2; i++ {
go func() {
defer group.Done()
cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
}()
}
group.Wait()
logDone("run - two concurrent containers")
}
func TestRunEnvironment(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
cmd.Env = append(os.Environ(),
"TRUE=false",
"TRICKY=tri\ncky\n",
)
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOSTNAME=testing",
"FALSE=true",
"TRUE=false",
"TRICKY=tri",
"cky",
"",
"HOME=/root",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment")
}
func TestRunEnvironmentErase(t *testing.T) {
// Test to make sure that when we use -e on env vars that are
// not set in our local env that they're removed (if present) in
// the container
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
cmd.Env = appendBaseEnv([]string{})
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOME=/root",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment erase")
}
func TestRunEnvironmentOverride(t *testing.T) {
// Test to make sure that when we use -e on env vars that are
// already in the env that we're overriding them
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
cmd.Env = appendBaseEnv([]string{"HOSTNAME=bar"})
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOME=/root2",
"HOSTNAME=bar",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment override")
}
func TestRunContainerNetwork(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - test container network via ping")
}
// Issue #4681
func TestRunLoopbackWhenNetworkDisabled(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - test container loopback when networking disabled")
}
func TestRunNetHostNotAllowedWithLinks(t *testing.T) {
defer deleteAllContainers()
_, _, err := dockerCmd(t, "run", "--name", "linked", "busybox", "true")
cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true")
_, _, err = runCommandWithOutput(cmd)
if err == nil {
t.Fatal("Expected error")
}
logDone("run - don't allow --net=host to be used with links")
}
func TestRunLoopbackOnlyExistsWhenNetworkingDisabled(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
var (
count = 0
parts = strings.Split(out, "\n")
)
for _, l := range parts {
if l != "" {
count++
}
}
if count != 1 {
t.Fatalf("Wrong interface count in container %d", count)
}
if !strings.HasPrefix(out, "1: lo") {
t.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out)
}
logDone("run - test loopback only exists when networking disabled")
}
// #7851 hostname outside container shows FQDN, inside only shortname
// For testing purposes it is not required to set host's hostname directly
// and use "--net=host" (as the original issue submitter did), as the same
// codepath is executed with "docker run -h <hostname>". Both were manually
// tested, but this testcase takes the simpler path of using "run -h .."
func TestRunFullHostnameSet(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
t.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
}
logDone("run - test fully qualified hostname set with -h")
}
func TestRunPrivilegedCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test privileged can mknod")
}
func TestRunUnPrivilegedCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test un-privileged can mknod")
}
func TestRunCapDropInvalid(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
logDone("run - test --cap-drop=CHPASS invalid")
}
func TestRunCapDropCannotMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=MKNOD cannot mknod")
}
func TestRunCapDropCannotMknodLowerCase(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=mknod cannot mknod lowercase")
}
func TestRunCapDropALLCannotMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=ALL cannot mknod")
}
func TestRunCapDropALLAddMknodCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-drop=ALL --cap-add=MKNOD can mknod")
}
func TestRunCapAddInvalid(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
logDone("run - test --cap-add=CHPASS invalid")
}
func TestRunCapAddCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-add=NET_ADMIN can set eth0 down")
}
func TestRunCapAddALLCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-add=ALL can set eth0 down")
}
func TestRunCapAddALLDropNetAdminCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-add=ALL --cap-drop=NET_ADMIN cannot set eth0 down")
}
func TestRunPrivilegedCanMount(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test privileged can mount")
}
func TestRunUnPrivilegedCannotMount(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test un-privileged cannot mount")
}
func TestRunSysNotWritableInNonPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatal("sys should not be writable in a non privileged container")
}
logDone("run - sys not writable in non privileged container")
}
func TestRunSysWritableInPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("sys should be writable in privileged container")
}
logDone("run - sys writable in privileged container")
}
func TestRunProcNotWritableInNonPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatal("proc should not be writable in a non privileged container")
}
logDone("run - proc not writable in non privileged container")
}
func TestRunProcWritableInPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("proc should be writable in privileged container")
}
logDone("run - proc writable in privileged container")
}
func TestRunWithCpuset(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("container should run successfuly with cpuset of 0: %s", err)
}
logDone("run - cpuset 0")
}
func TestRunDeviceNumbers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
deviceLineFields := strings.Fields(out)
deviceLineFields[6] = ""
deviceLineFields[7] = ""
deviceLineFields[8] = ""
expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
if !(reflect.DeepEqual(deviceLineFields, expected)) {
t.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
}
logDone("run - test device numbers")
}
func TestRunThatCharacterDevicesActLikeCharacterDevices(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
t.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
}
logDone("run - test that character devices work.")
}
func TestRunUnprivilegedWithChroot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - unprivileged with chroot")
}
func TestRunAddingOptionalDevices(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
t.Fatalf("expected output /dev/nulo, received %s", actual)
}
logDone("run - test --device argument")
}
func TestRunModeHostname(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
t.Fatalf("expected 'testhostname', but says: %q", actual)
}
cmd = exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hostname")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
hostname, err := os.Hostname()
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != hostname {
t.Fatalf("expected %q, but says: %q", hostname, actual)
}
logDone("run - hostname and several network modes")
}
func TestRunRootWorkdir(t *testing.T) {
defer deleteAllContainers()
s, _, err := dockerCmd(t, "run", "--workdir", "/", "busybox", "pwd")
if err != nil {
t.Fatal(s, err)
}
if s != "/\n" {
t.Fatalf("pwd returned %q (expected /\\n)", s)
}
logDone("run - workdir /")
}
func TestRunAllowBindMountingRoot(t *testing.T) {
defer deleteAllContainers()
s, _, err := dockerCmd(t, "run", "-v", "/:/host", "busybox", "ls", "/host")
if err != nil {
t.Fatal(s, err)
}
logDone("run - bind mount / as volume")
}
func TestRunDisallowBindMountingRootToRoot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(out, err)
}
logDone("run - bind mount /:/ as volume should not work")
}
// Verify that a container gets default DNS when only localhost resolvers exist
func TestRunDnsDefaultOptions(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
// preserve original resolv.conf for restoring after test
origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
// defer restored original conf
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
t.Fatal(err)
}
}()
// test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
// 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
// GetNameservers(), leading to a replacement of nameservers with the default set
tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
actual, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, actual)
}
// check that the actual defaults are appended to the commented out
// localhost resolver (which should be preserved)
// NOTE: if we ever change the defaults from google dns, this will break
expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
if actual != expected {
t.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
}
logDone("run - dns default options")
}
func TestRunDnsOptions(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
out, stderr, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatal(err, out)
}
// The client will get a warning on stderr when setting DNS to a localhost address; verify this:
if !strings.Contains(stderr, "Localhost DNS setting") {
t.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr)
}
actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
if actual != "nameserver 127.0.0.1 search mydomain" {
t.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual)
}
cmd = exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf")
out, _, _, err = runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatal(err, out)
}
actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
if actual != "nameserver 127.0.0.1" {
t.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual)
}
logDone("run - dns options")
}
func TestRunDnsOptionsBasedOnHostResolvConf(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
hostNamservers := resolvconf.GetNameservers(origResolvConf)
hostSearch := resolvconf.GetSearchDomains(origResolvConf)
var out string
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
if out, _, _, err = runCommandWithStdoutStderr(cmd); err != nil {
t.Fatal(err, out)
}
if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" {
t.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
}
actualSearch := resolvconf.GetSearchDomains([]byte(out))
if len(actualSearch) != len(hostSearch) {
t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
}
for i := range actualSearch {
if actualSearch[i] != hostSearch[i] {
t.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
}
}
cmd = exec.Command(dockerBinary, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
if out, _, err = runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
actualNameservers := resolvconf.GetNameservers([]byte(out))
if len(actualNameservers) != len(hostNamservers) {
t.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers))
}
for i := range actualNameservers {
if actualNameservers[i] != hostNamservers[i] {
t.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i])
}
}
if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
t.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
}
// test with file
tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
// put the old resolvconf back
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
t.Fatal(err)
}
}()
resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
hostNamservers = resolvconf.GetNameservers(resolvConf)
hostSearch = resolvconf.GetSearchDomains(resolvConf)
cmd = exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
if out, _, err = runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
t.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
}
actualSearch = resolvconf.GetSearchDomains([]byte(out))
if len(actualSearch) != len(hostSearch) {
t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
}
for i := range actualSearch {
if actualSearch[i] != hostSearch[i] {
t.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
}
}
defer deleteAllContainers()
logDone("run - dns options based on host resolv.conf")
}
// Test the file watch notifier on docker host's /etc/resolv.conf
// A go-routine is responsible for auto-updating containers which are
// stopped and have an unmodified copy of resolv.conf, as well as
// marking running containers as requiring an update on next restart
func TestRunResolvconfUpdater(t *testing.T) {
// Because overlay doesn't support inotify properly, we need to skip
// this test if the docker daemon has Storage Driver == overlay
testRequires(t, SameHostDaemon, NotOverlay)
tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78")
tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
//take a copy of resolv.conf for restoring after test completes
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
// This test case is meant to test monitoring resolv.conf when it is
// a regular file not a bind mount. So we unmount resolv.conf and replace
// it with a file containing the original settings.
cmd := exec.Command("umount", "/etc/resolv.conf")
if _, err = runCommand(cmd); err != nil {
t.Fatal(err)
}
//cleanup
defer func() {
deleteAllContainers()
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
}()
//1. test that a non-running container gets an updated resolv.conf
cmd = exec.Command(dockerBinary, "run", "--name='first'", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
containerID1, err := getIDByName("first")
if err != nil {
t.Fatal(err)
}
// replace resolv.conf with our temporary copy
bytesResolvConf := []byte(tmpResolvConf)
if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
// check for update in container
containerResolv, err := readContainerFile(containerID1, "resolv.conf")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolv, bytesResolvConf) {
t.Fatalf("Stopped container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
}
//2. test that a non-running container does not receive resolv.conf updates
// if it modified the container copy of the starting point resolv.conf
cmd = exec.Command(dockerBinary, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
if _, err = runCommand(cmd); err != nil {
t.Fatal(err)
}
containerID2, err := getIDByName("second")
if err != nil {
t.Fatal(err)
}
containerResolvHashBefore, err := readContainerFile(containerID2, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
//make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
containerResolvHashAfter, err := readContainerFile(containerID2, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
t.Fatalf("Stopped container with modified resolv.conf should not have been updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
}
//3. test that a running container's resolv.conf is not modified while running
cmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
runningContainerID := strings.TrimSpace(out)
containerResolvHashBefore, err = readContainerFile(runningContainerID, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
// replace resolv.conf
if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
// make sure the updater has time to run to validate we really aren't
// getting updated
time.Sleep(time.Second / 2)
containerResolvHashAfter, err = readContainerFile(runningContainerID, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
t.Fatalf("Running container's resolv.conf should not be updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
}
//4. test that a running container's resolv.conf is updated upon restart
// (the above container is still running..)
cmd = exec.Command(dockerBinary, "restart", runningContainerID)
if _, err = runCommand(cmd); err != nil {
t.Fatal(err)
}
// check for update in container
containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolv, bytesResolvConf) {
t.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
}
//5. test that additions of a localhost resolver are cleaned from
// host resolv.conf before updating container's resolv.conf copies
// replace resolv.conf with a localhost-only nameserver copy
bytesResolvConf = []byte(tmpLocalhostResolvConf)
if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
// our first exited container ID should have been updated, but with default DNS
// after the cleanup of resolv.conf found only a localhost nameserver:
containerResolv, err = readContainerFile(containerID1, "resolv.conf")
if err != nil {
t.Fatal(err)
}
expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
if !bytes.Equal(containerResolv, []byte(expected)) {
t.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
}
//6. Test that replacing (as opposed to modifying) resolv.conf triggers an update
// of containers' resolv.conf.
// Restore the original resolv.conf
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
// Run the container so it picks up the old settings
cmd = exec.Command(dockerBinary, "run", "--name='third'", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
containerID3, err := getIDByName("third")
if err != nil {
t.Fatal(err)
}
// Create a modified resolv.conf.aside and override resolv.conf with it
bytesResolvConf = []byte(tmpResolvConf)
if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
// check for update in container
containerResolv, err = readContainerFile(containerID3, "resolv.conf")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolv, bytesResolvConf) {
t.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv))
}
//cleanup, restore original resolv.conf happens in defer func()
logDone("run - resolv.conf updater")
}
func TestRunAddHost(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actual := strings.Trim(out, "\r\n")
if actual != "86.75.30.9\textra" {
t.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
}
logDone("run - add-host option")
}
// Regression test for #6983
func TestRunAttachStdErrOnlyTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stderr only with -t")
}
// Regression test for #6983
func TestRunAttachStdOutOnlyTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stdout only with -t")
}
// Regression test for #6983
func TestRunAttachStdOutAndErrTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stderr and stdout with -t")
}
// Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
// but using --attach instead of -a to make sure we read the flag correctly
func TestRunAttachWithDettach(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
_, stderr, _, err := runCommandWithStdoutStderr(cmd)
if err == nil {
t.Fatalf("Container should have exited with error code different than 0", err)
} else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
t.Fatalf("Should have been returned an error with conflicting options -a and -d")
}
logDone("run - Attach stdout with -d")
}
func TestRunState(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
state, err := inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid1 == "0" {
t.Fatal("Container state Pid 0")
}
cmd = exec.Command(dockerBinary, "stop", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
state, err = inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "false" {
t.Fatal("Container state is 'running'")
}
pid2, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid2 == pid1 {
t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
}
cmd = exec.Command(dockerBinary, "start", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
state, err = inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid3, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid3 == pid1 {
t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
}
logDone("run - test container state.")
}
// Test for #1737
func TestRunCopyVolumeUidGid(t *testing.T) {
name := "testrunvolumesuidgid"
defer deleteImages(name)
defer deleteAllContainers()
_, err := buildImage(name,
`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
true)
if err != nil {
t.Fatal(err)
}
// Test that the uid and gid is copied from the image to the volume
cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
out = strings.TrimSpace(out)
if out != "dockerio:dockerio" {
t.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
}
logDone("run - copy uid/gid for volume")
}
// Test for #1582
func TestRunCopyVolumeContent(t *testing.T) {
name := "testruncopyvolumecontent"
defer deleteImages(name)
defer deleteAllContainers()
_, err := buildImage(name,
`FROM busybox
RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
true)
if err != nil {
t.Fatal(err)
}
// Test that the content is copied from the image to the volume
cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "find", "/hello")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
t.Fatal("Container failed to transfer content to volume")
}
logDone("run - copy volume content")
}
func TestRunCleanupCmdOnEntrypoint(t *testing.T) {
name := "testrunmdcleanuponentrypoint"
defer deleteImages(name)
defer deleteAllContainers()
if _, err := buildImage(name,
`FROM busybox
ENTRYPOINT ["echo"]
CMD ["testingpoint"]`,
true); err != nil {
t.Fatal(err)
}
runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name)
out, exit, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("Error: %v, out: %q", err, out)
}
if exit != 0 {
t.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
}
out = strings.TrimSpace(out)
if out != "root" {
t.Fatalf("Expected output root, got %q", out)
}
logDone("run - cleanup cmd on --entrypoint")
}
// TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
func TestRunWorkdirExistsAndIsFile(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-w", "/bin/cat", "busybox")
out, exit, err := runCommandWithOutput(runCmd)
if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) {
t.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err)
}
logDone("run - error on existing file for workdir")
}
func TestRunExitOnStdinClose(t *testing.T) {
name := "testrunexitonstdinclose"
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat")
stdin, err := runCmd.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := runCmd.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := runCmd.Start(); err != nil {
t.Fatal(err)
}
if _, err := stdin.Write([]byte("hello\n")); err != nil {
t.Fatal(err)
}
r := bufio.NewReader(stdout)
line, err := r.ReadString('\n')
if err != nil {
t.Fatal(err)
}
line = strings.TrimSpace(line)
if line != "hello" {
t.Fatalf("Output should be 'hello', got '%q'", line)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
finish := make(chan struct{})
go func() {
if err := runCmd.Wait(); err != nil {
t.Fatal(err)
}
close(finish)
}()
select {
case <-finish:
case <-time.After(1 * time.Second):
t.Fatal("docker run failed to exit on stdin close")
}
state, err := inspectField(name, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "false" {
t.Fatal("Container must be stopped after stdin closing")
}
logDone("run - exit on stdin closing")
}
// Test for #2267
func TestRunWriteHostsFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writehosts"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/hosts should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/hosts and not commited")
}
func eqToBaseDiff(out string, t *testing.T) bool {
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello")
out1, _, err := runCommandWithOutput(cmd)
cID := stripTrailingCharacters(out1)
cmd = exec.Command(dockerBinary, "diff", cID)
base_diff, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, base_diff)
}
base_arr := strings.Split(base_diff, "\n")
sort.Strings(base_arr)
out_arr := strings.Split(out, "\n")
sort.Strings(out_arr)
return sliceEq(base_arr, out_arr)
}
func sliceEq(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
// Test for #2267
func TestRunWriteHostnameFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writehostname"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/hostname should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/hostname and not commited")
}
// Test for #2267
func TestRunWriteResolvFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writeresolv"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/resolv.conf should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/resolv.conf and not commited")
}
func TestRunWithBadDevice(t *testing.T) {
defer deleteAllContainers()
name := "baddevice"
cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("Run should fail with bad device")
}
expected := `\"/etc\": not a device node`
if !strings.Contains(out, expected) {
t.Fatalf("Output should contain %q, actual out: %q", expected, out)
}
logDone("run - error with bad device")
}
func TestRunEntrypoint(t *testing.T) {
defer deleteAllContainers()
name := "entrypoint"
cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
expected := "foobar"
if out != expected {
t.Fatalf("Output should be %q, actual out: %q", expected, out)
}
logDone("run - entrypoint")
}
func TestRunBindMounts(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "docker-test-container")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
writeFile(path.Join(tmpDir, "touch-me"), "", t)
// Test reading from a read-only bind mount
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "touch-me") {
t.Fatal("Container failed to read from bind mount")
}
// test writing to bind mount
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
// test mounting to an illegal destination directory
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
_, err = runCommand(cmd)
if err == nil {
t.Fatal("Container bind mounted illegal directory")
}
// test mount a file
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
_, err = runCommand(cmd)
if err != nil {
t.Fatal(err, out)
}
content := readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
expected := "yotta"
if content != expected {
t.Fatalf("Output should be %q, actual out: %q", expected, content)
}
logDone("run - bind mounts")
}
// Ensure that CIDFile gets deleted if it's empty
// Perform this test by making `docker run` fail
func TestRunCidFileCleanupIfEmpty(t *testing.T) {
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
tmpCidFile := path.Join(tmpDir, "cid")
cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "emptyfs")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatalf("Run without command must fail. out=%s", out)
} else if !strings.Contains(out, "No command specified") {
t.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err)
}
if _, err := os.Stat(tmpCidFile); err == nil {
t.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
}
logDone("run - cleanup empty cidfile on error")
}
// #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) {
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
if err != nil {
t.Fatal(err)
}
tmpCidFile := path.Join(tmpDir, "cid")
defer os.RemoveAll(tmpDir)
cmd := exec.Command(dockerBinary, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
buffer, err := ioutil.ReadFile(tmpCidFile)
if err != nil {
t.Fatal(err)
}
cid := string(buffer)
if len(cid) != 64 {
t.Fatalf("--cidfile should be a long id, not %q", id)
}
if cid != id {
t.Fatalf("cid must be equal to %s, got %s", id, cid)
}
logDone("run - cidfile contains long id")
}
func TestRunNetworkNotInitializedNoneMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
res, err := inspectField(id, "NetworkSettings.IPAddress")
if err != nil {
t.Fatal(err)
}
if res != "" {
t.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res)
}
logDone("run - network must not be initialized in 'none' mode")
}
func TestRunSetMacAddress(t *testing.T) {
mac := "12:34:56:78:9a:bc"
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
out, ec, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("exec failed:\nexit code=%v\noutput=%s", ec, out)
}
actualMac := strings.TrimSpace(out)
if actualMac != mac {
t.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
}
logDone("run - setting MAC address with --mac-address")
}
func TestRunInspectMacAddress(t *testing.T) {
defer deleteAllContainers()
mac := "12:34:56:78:9a:bc"
cmd := exec.Command(dockerBinary, "run", "-d", "--mac-address="+mac, "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress")
if err != nil {
t.Fatal(err)
}
if inspectedMac != mac {
t.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
}
logDone("run - inspecting MAC address")
}
// test docker run use a invalid mac address
func TestRunWithInvalidMacAddress(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--mac-address", "92:d0:c6:0a:29", "busybox")
out, _, err := runCommandWithOutput(runCmd)
//use a invalid mac address should with a error out
if err == nil || !strings.Contains(out, "is not a valid mac address") {
t.Fatalf("run with an invalid --mac-address should with error out")
}
logDone("run - can't use an invalid mac address")
}
func TestRunDeallocatePortOnMissingIptablesRule(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
ip, err := inspectField(id, "NetworkSettings.IPAddress")
if err != nil {
t.Fatal(err)
}
iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
"!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
out, _, err = runCommandWithOutput(iptCmd)
if err != nil {
t.Fatal(err, out)
}
if err := deleteContainer(id); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
logDone("run - port should be deallocated even on iptables error")
}
func TestRunPortInUse(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
port := "1234"
l, err := net.Listen("tcp", ":"+port)
if err != nil {
t.Fatal(err)
}
defer l.Close()
cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatalf("Binding on used port must fail")
}
if !strings.Contains(out, "address already in use") {
t.Fatalf("Out must be about \"address already in use\", got %s", out)
}
logDone("run - error out if port already in use")
}
// https://github.com/docker/docker/issues/8428
func TestRunPortProxy(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
port := "12345"
cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("Failed to run and bind port %s, output: %s, error: %s", port, out, err)
}
// connect for 10 times here. This will trigger 10 EPIPES in the child
// process and kill it when it writes to a closed stdout/stderr
for i := 0; i < 10; i++ {
net.Dial("tcp", fmt.Sprintf("0.0.0.0:%s", port))
}
listPs := exec.Command("sh", "-c", "ps ax | grep docker")
out, _, err = runCommandWithOutput(listPs)
if err != nil {
t.Errorf("list docker process failed with output %s, error %s", out, err)
}
if strings.Contains(out, "docker <defunct>") {
t.Errorf("Unexpected defunct docker process")
}
if !strings.Contains(out, "docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 12345") {
t.Errorf("Failed to find docker-proxy process, got %s", out)
}
logDone("run - proxy should work with unavailable port")
}
// Regression test for #7792
func TestRunMountOrdering(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir2)
// Create a temporary tmpfs mount.
fooDir := filepath.Join(tmpDir, "foo")
if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
t.Fatalf("failed to mkdir at %s - %s", fooDir, err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp", tmpDir), "-v", fmt.Sprintf("%s:/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
logDone("run - volumes are mounted in the correct order")
}
// Regression test for https://github.com/docker/docker/issues/8259
func TestRunReuseBindVolumeThatIsSymlink(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
linkPath := os.TempDir() + "/testlink2"
if err := os.Symlink(tmpDir, linkPath); err != nil {
t.Fatal(err)
}
defer os.RemoveAll(linkPath)
// Create first container
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Create second container with same symlinked path
// This will fail if the referenced issue is hit with a "Volume exists" error
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
logDone("run - can remount old bindmount volume")
}
//GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container
func TestRunCreateVolumeEtc(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, "nameserver 127.0.0.1") {
t.Fatal("/etc volume mount hides /etc/resolv.conf")
}
cmd = exec.Command(dockerBinary, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, "test123") {
t.Fatal("/etc volume mount hides /etc/hostname")
}
cmd = exec.Command(dockerBinary, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
out = strings.Replace(out, "\n", " ", -1)
if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") {
t.Fatal("/etc volume mount hides /etc/hosts")
}
logDone("run - verify /etc volume doesn't hide special bind mounts")
}
func TestVolumesNoCopyData(t *testing.T) {
defer deleteImages("dataimage")
defer deleteAllContainers()
if _, err := buildImage("dataimage",
`FROM busybox
RUN mkdir -p /foo
RUN touch /foo/bar`,
true); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
t.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
}
tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data")
cmd = exec.Command(dockerBinary, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
t.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
}
logDone("run - volumes do not copy data for volumes-from and bindmounts")
}
func TestRunVolumesNotRecreatedOnStart(t *testing.T) {
testRequires(t, SameHostDaemon)
// Clear out any remnants from other tests
deleteAllContainers()
info, err := ioutil.ReadDir(volumesConfigPath)
if err != nil {
t.Fatal(err)
}
if len(info) > 0 {
for _, f := range info {
if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil {
t.Fatal(err)
}
}
}
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "start", "lone_starr")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
info, err = ioutil.ReadDir(volumesConfigPath)
if err != nil {
t.Fatal(err)
}
if len(info) != 1 {
t.Fatalf("Expected only 1 volume have %v", len(info))
}
logDone("run - volumes not recreated on start")
}
func TestRunNoOutputFromPullInStdout(t *testing.T) {
defer deleteAllContainers()
// just run with unknown image
cmd := exec.Command(dockerBinary, "run", "asdfsg")
stdout := bytes.NewBuffer(nil)
cmd.Stdout = stdout
if err := cmd.Run(); err == nil {
t.Fatal("Run with unknown image should fail")
}
if stdout.Len() != 0 {
t.Fatalf("Stdout contains output from pull: %s", stdout)
}
logDone("run - no output from pull in stdout")
}
func TestRunVolumesCleanPaths(t *testing.T) {
if _, err := buildImage("run_volumes_clean_paths",
`FROM busybox
VOLUME /foo/`,
true); err != nil {
t.Fatal(err)
}
defer deleteImages("run_volumes_clean_paths")
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/")
if err != nil {
t.Fatal(err)
}
if out != "<no value>" {
t.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo")
if err != nil {
t.Fatal(err)
}
if !strings.Contains(out, volumesStoragePath) {
t.Fatalf("Volume was not defined for /foo\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/")
if err != nil {
t.Fatal(err)
}
if out != "<no value>" {
t.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar")
if err != nil {
t.Fatal(err)
}
if !strings.Contains(out, volumesStoragePath) {
t.Fatalf("Volume was not defined for /bar\n%q", out)
}
logDone("run - volume paths are cleaned")
}
// Regression test for #3631
func TestRunSlowStdoutConsumer(t *testing.T) {
defer deleteAllContainers()
c := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
stdout, err := c.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := c.Start(); err != nil {
t.Fatal(err)
}
n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
if err != nil {
t.Fatal(err)
}
expected := 2 * 1024 * 2000
if n != expected {
t.Fatalf("Expected %d, got %d", expected, n)
}
logDone("run - slow consumer")
}
func TestRunAllowPortRangeThroughExpose(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
if err != nil {
t.Fatal(err)
}
var ports nat.PortMap
err = unmarshalJSON([]byte(portstr), &ports)
for port, binding := range ports {
portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
if portnum < 3000 || portnum > 3003 {
t.Fatalf("Port is out of range ", portnum, binding, out)
}
if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
t.Fatal("Port is not mapped for the port "+port, out)
}
}
if err := deleteContainer(id); err != nil {
t.Fatal(err)
}
logDone("run - allow port range through --expose flag")
}
// test docker run expose a invalid port
func TestRunExposePort(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--expose", "80000", "busybox")
out, _, err := runCommandWithOutput(runCmd)
//expose a invalid port should with a error out
if err == nil || !strings.Contains(out, "Invalid range format for --expose") {
t.Fatalf("run --expose a invalid port should with error out")
}
logDone("run - can't expose a invalid port")
}
func TestRunUnknownCommand(t *testing.T) {
testRequires(t, NativeExecDriver)
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada")
cID, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("Failed to create container: %v, output: %q", err, cID)
}
cID = strings.TrimSpace(cID)
runCmd = exec.Command(dockerBinary, "start", cID)
_, _, _, _ = runCommandWithStdoutStderr(runCmd)
runCmd = exec.Command(dockerBinary, "inspect", "--format={{.State.ExitCode}}", cID)
rc, _, _, err2 := runCommandWithStdoutStderr(runCmd)
rc = strings.TrimSpace(rc)
if err2 != nil {
t.Fatalf("Error getting status of container: %v", err2)
}
if rc == "0" {
t.Fatalf("ExitCode(%v) cannot be 0", rc)
}
logDone("run - Unknown Command")
}
func TestRunModeIpcHost(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
hostIpc, err := os.Readlink("/proc/1/ns/ipc")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostIpc != out2 {
t.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostIpc == out2 {
t.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out2)
}
logDone("run - ipc host mode")
}
func TestRunModeIpcContainer(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
state, err := inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
if err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if parentContainerIpc != out2 {
t.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2)
}
logDone("run - ipc container mode")
}
func TestContainerNetworkMode(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
if err := waitRun(id); err != nil {
t.Fatal(err)
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
if err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if parentContainerNet != out2 {
t.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2)
}
logDone("run - container shared network namespace")
}
func TestRunModePidHost(t *testing.T) {
testRequires(t, NativeExecDriver, SameHostDaemon)
defer deleteAllContainers()
hostPid, err := os.Readlink("/proc/1/ns/pid")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostPid != out2 {
t.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/pid")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostPid == out2 {
t.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out2)
}
logDone("run - pid host mode")
}
func TestRunTLSverify(t *testing.T) {
cmd := exec.Command(dockerBinary, "ps")
out, ec, err := runCommandWithOutput(cmd)
if err != nil || ec != 0 {
t.Fatalf("Should have worked: %v:\n%v", err, out)
}
// Regardless of whether we specify true or false we need to
// test to make sure tls is turned on if --tlsverify is specified at all
cmd = exec.Command(dockerBinary, "--tlsverify=false", "ps")
out, ec, err = runCommandWithOutput(cmd)
if err == nil || ec == 0 || !strings.Contains(out, "trying to connect") {
t.Fatalf("Should have failed: \nec:%v\nout:%v\nerr:%v", ec, out, err)
}
cmd = exec.Command(dockerBinary, "--tlsverify=true", "ps")
out, ec, err = runCommandWithOutput(cmd)
if err == nil || ec == 0 || !strings.Contains(out, "cert") {
t.Fatalf("Should have failed: \nec:%v\nout:%v\nerr:%v", ec, out, err)
}
logDone("run - verify tls is set for --tlsverify")
}
func TestRunPortFromDockerRangeInUse(t *testing.T) {
defer deleteAllContainers()
// first find allocator current position
cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
id := strings.TrimSpace(out)
cmd = exec.Command(dockerBinary, "port", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
out = strings.TrimSpace(out)
if out == "" {
t.Fatal("docker port command output is empty")
}
out = strings.Split(out, ":")[1]
lastPort, err := strconv.Atoi(out)
if err != nil {
t.Fatal(err)
}
port := lastPort + 1
l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
if err != nil {
t.Fatal(err)
}
defer l.Close()
cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatalf(out, err)
}
id = strings.TrimSpace(out)
cmd = exec.Command(dockerBinary, "port", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
logDone("run - find another port if port from autorange already bound")
}
func TestRunTtyWithPipe(t *testing.T) {
defer deleteAllContainers()
done := make(chan struct{})
go func() {
defer close(done)
cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
if _, err := cmd.StdinPipe(); err != nil {
t.Fatal(err)
}
expected := "cannot enable tty mode"
if out, _, err := runCommandWithOutput(cmd); err == nil {
t.Fatal("run should have failed")
} else if !strings.Contains(out, expected) {
t.Fatalf("run failed with error %q: expected %q", out, expected)
}
}()
select {
case <-done:
case <-time.After(3 * time.Second):
t.Fatal("container is running but should have failed")
}
logDone("run - forbid piped stdin with tty")
}
func TestRunNonLocalMacAddress(t *testing.T) {
defer deleteAllContainers()
addr := "00:16:3E:08:00:50"
cmd := exec.Command(dockerBinary, "run", "--mac-address", addr, "busybox", "ifconfig")
if out, _, err := runCommandWithOutput(cmd); err != nil || !strings.Contains(out, addr) {
t.Fatalf("Output should have contained %q: %s, %v", addr, out, err)
}
logDone("run - use non-local mac-address")
}
func TestRunNetHost(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
hostNet, err := os.Readlink("/proc/1/ns/net")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostNet != out2 {
t.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/net")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostNet == out2 {
t.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out2)
}
logDone("run - net host mode")
}
func TestRunAllowPortRangeThroughPublish(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
id := strings.TrimSpace(out)
portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
if err != nil {
t.Fatal(err)
}
var ports nat.PortMap
err = unmarshalJSON([]byte(portstr), &ports)
for port, binding := range ports {
portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
if portnum < 3000 || portnum > 3003 {
t.Fatalf("Port is out of range ", portnum, binding, out)
}
if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
t.Fatal("Port is not mapped for the port "+port, out)
}
}
logDone("run - allow port range through --expose flag")
}
func TestRunOOMExitCode(t *testing.T) {
defer deleteAllContainers()
done := make(chan struct{})
go func() {
defer close(done)
runCmd := exec.Command(dockerBinary, "run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x; done")
out, exitCode, _ := runCommandWithOutput(runCmd)
if expected := 137; exitCode != expected {
t.Fatalf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
}
}()
select {
case <-done:
case <-time.After(3 * time.Second):
t.Fatal("Timeout waiting for container to die on OOM")
}
logDone("run - exit code on oom")
}
func TestRunSetDefaultRestartPolicy(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "test", "busybox", "top")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
cmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.RestartPolicy.Name}}", "test")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("failed to inspect container: %v, output: %q", err, out)
}
out = strings.Trim(out, "\r\n")
if out != "no" {
t.Fatalf("Set default restart policy failed")
}
logDone("run - set default restart policy success")
}
func TestRunRestartMaxRetries(t *testing.T) {
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "false").CombinedOutput()
if err != nil {
t.Fatal(string(out), err)
}
id := strings.TrimSpace(string(out))
if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5); err != nil {
t.Fatal(err)
}
count, err := inspectField(id, "RestartCount")
if err != nil {
t.Fatal(err)
}
if count != "3" {
t.Fatalf("Container was restarted %s times, expected %d", count, 3)
}
logDone("run - test max-retries for --restart")
}
func TestRunContainerWithWritableRootfs(t *testing.T) {
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "--rm", "busybox", "touch", "/file").CombinedOutput()
if err != nil {
t.Fatal(string(out), err)
}
logDone("run - writable rootfs")
}
func TestRunContainerWithReadonlyRootfs(t *testing.T) {
testRequires(t, NativeExecDriver)
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "--read-only", "--rm", "busybox", "touch", "/file").CombinedOutput()
if err == nil {
t.Fatal("expected container to error on run with read only error")
}
expected := "Read-only file system"
if !strings.Contains(string(out), expected) {
t.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
}
logDone("run - read only rootfs")
}
func TestRunVolumesFromRestartAfterRemoved(t *testing.T) {
defer deleteAllContainers()
out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox"))
if err != nil {
t.Fatal(out, err)
}
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top"))
if err != nil {
t.Fatal(out, err)
}
// Remove the main volume container and restart the consuming container
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rm", "-f", "voltest"))
if err != nil {
t.Fatal(out, err)
}
// This should not fail since the volumes-from were already applied
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "restart", "restarter"))
if err != nil {
t.Fatalf("expected container to restart successfully: %v\n%s", err, out)
}
logDone("run - can restart a volumes-from container after producer is removed")
}
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