mirror of https://github.com/docker/docs.git
888 lines
25 KiB
Go
888 lines
25 KiB
Go
package main
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"reflect"
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"regexp"
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"sort"
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"strings"
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"sync"
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"testing"
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)
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// "test123" should be printed by docker run
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func TestDockerRunEchoStdout(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if out != "test123\n" {
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t.Errorf("container should've printed 'test123'")
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}
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deleteAllContainers()
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logDone("run - echo test123")
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}
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// "test" should be printed
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func TestDockerRunEchoStdoutWithMemoryLimit(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-m", "2786432", "busybox", "echo", "test")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if out != "test\n" {
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t.Errorf("container should've printed 'test'")
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}
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deleteAllContainers()
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logDone("run - echo with memory limit")
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}
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// "test" should be printed
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func TestDockerRunEchoStdoutWitCPULimit(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if out != "test\n" {
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t.Errorf("container should've printed 'test'")
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}
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deleteAllContainers()
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logDone("run - echo with CPU limit")
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}
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// "test" should be printed
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func TestDockerRunEchoStdoutWithCPUAndMemoryLimit(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "2786432", "busybox", "echo", "test")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if out != "test\n" {
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t.Errorf("container should've printed 'test'")
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}
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deleteAllContainers()
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logDone("run - echo with CPU and memory limit")
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}
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// "test" should be printed
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func TestDockerRunEchoNamedContainer(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if out != "test\n" {
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t.Errorf("container should've printed 'test'")
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}
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if err := deleteContainer("testfoonamedcontainer"); err != nil {
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t.Errorf("failed to remove the named container: %v", err)
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}
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deleteAllContainers()
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logDone("run - echo with named container")
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}
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// docker run should not leak file descriptors
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func TestDockerRunLeakyFileDescriptors(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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// normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
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if out != "0 1 2 3\n" {
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t.Errorf("container should've printed '0 1 2 3', not: %s", out)
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}
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deleteAllContainers()
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logDone("run - check file descriptor leakage")
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}
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// it should be possible to ping Google DNS resolver
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// this will fail when Internet access is unavailable
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func TestDockerRunPingGoogle(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "8.8.8.8")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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errorOut(err, t, "container should've been able to ping 8.8.8.8")
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deleteAllContainers()
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logDone("run - ping 8.8.8.8")
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}
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// the exit code should be 0
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// some versions of lxc might make this test fail
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func TestDockerRunExitCodeZero(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "busybox", "true")
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exitCode, err := runCommand(runCmd)
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errorOut(err, t, fmt.Sprintf("%s", err))
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if exitCode != 0 {
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t.Errorf("container should've exited with exit code 0")
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}
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deleteAllContainers()
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logDone("run - exit with 0")
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}
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// the exit code should be 1
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// some versions of lxc might make this test fail
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func TestDockerRunExitCodeOne(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "busybox", "false")
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exitCode, err := runCommand(runCmd)
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if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
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t.Fatal(err)
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}
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if exitCode != 1 {
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t.Errorf("container should've exited with exit code 1")
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}
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deleteAllContainers()
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logDone("run - exit with 1")
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}
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// it should be possible to pipe in data via stdin to a process running in a container
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// some versions of lxc might make this test fail
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func TestRunStdinPipe(t *testing.T) {
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runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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out = stripTrailingCharacters(out)
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inspectCmd := exec.Command(dockerBinary, "inspect", out)
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inspectOut, _, err := runCommandWithOutput(inspectCmd)
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errorOut(err, t, fmt.Sprintf("out should've been a container id: %s %s", out, inspectOut))
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waitCmd := exec.Command(dockerBinary, "wait", out)
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_, _, err = runCommandWithOutput(waitCmd)
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errorOut(err, t, fmt.Sprintf("error thrown while waiting for container: %s", out))
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logsCmd := exec.Command(dockerBinary, "logs", out)
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containerLogs, _, err := runCommandWithOutput(logsCmd)
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errorOut(err, t, fmt.Sprintf("error thrown while trying to get container logs: %s", err))
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containerLogs = stripTrailingCharacters(containerLogs)
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if containerLogs != "blahblah" {
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t.Errorf("logs didn't print the container's logs %s", containerLogs)
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}
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rmCmd := exec.Command(dockerBinary, "rm", out)
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_, _, err = runCommandWithOutput(rmCmd)
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errorOut(err, t, fmt.Sprintf("rm failed to remove container %s", err))
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deleteAllContainers()
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logDone("run - pipe in with -i -a stdin")
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}
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// the container's ID should be printed when starting a container in detached mode
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func TestDockerRunDetachedContainerIDPrinting(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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out = stripTrailingCharacters(out)
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inspectCmd := exec.Command(dockerBinary, "inspect", out)
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inspectOut, _, err := runCommandWithOutput(inspectCmd)
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errorOut(err, t, fmt.Sprintf("out should've been a container id: %s %s", out, inspectOut))
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waitCmd := exec.Command(dockerBinary, "wait", out)
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_, _, err = runCommandWithOutput(waitCmd)
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errorOut(err, t, fmt.Sprintf("error thrown while waiting for container: %s", out))
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rmCmd := exec.Command(dockerBinary, "rm", out)
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rmOut, _, err := runCommandWithOutput(rmCmd)
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errorOut(err, t, "rm failed to remove container")
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rmOut = stripTrailingCharacters(rmOut)
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if rmOut != out {
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t.Errorf("rm didn't print the container ID %s %s", out, rmOut)
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}
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deleteAllContainers()
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logDone("run - print container ID in detached mode")
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}
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// the working directory should be set correctly
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func TestDockerRunWorkingDirectory(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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out = stripTrailingCharacters(out)
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if out != "/root" {
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t.Errorf("-w failed to set working directory")
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}
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runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd")
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out, _, _, err = runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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out = stripTrailingCharacters(out)
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if out != "/root" {
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t.Errorf("--workdir failed to set working directory")
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}
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deleteAllContainers()
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logDone("run - run with working directory set by -w")
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logDone("run - run with working directory set by --workdir")
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}
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// pinging Google's DNS resolver should fail when we disable the networking
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func TestDockerRunWithoutNetworking(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
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out, _, exitCode, err := runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 1 {
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t.Fatal(out, err)
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}
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if exitCode != 1 {
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t.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
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}
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runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
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out, _, exitCode, err = runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 1 {
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t.Fatal(out, err)
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}
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if exitCode != 1 {
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t.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
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}
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deleteAllContainers()
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logDone("run - disable networking with --net=none")
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logDone("run - disable networking with -n=false")
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}
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// Regression test for #4741
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func TestDockerRunWithVolumesAsFiles(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true")
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out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 0 {
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t.Fatal("1", out, stderr, err)
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}
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runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file")
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out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 0 {
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t.Fatal("2", out, stderr, err)
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}
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deleteAllContainers()
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logDone("run - regression test for #4741 - volumes from as files")
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}
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// Regression test for #4979
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func TestDockerRunWithVolumesFromExited(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
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out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 0 {
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t.Fatal("1", out, stderr, err)
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}
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runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
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out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 0 {
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t.Fatal("2", out, stderr, err)
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}
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deleteAllContainers()
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logDone("run - regression test for #4979 - volumes-from on exited container")
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}
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// Regression test for #4830
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func TestDockerRunWithRelativePath(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true")
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if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil {
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t.Fatalf("relative path should result in an error")
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}
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deleteAllContainers()
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logDone("run - volume with relative path")
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}
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func TestVolumesMountedAsReadonly(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile")
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if code, err := runCommand(cmd); err == nil || code == 0 {
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t.Fatalf("run should fail because volume is ro: exit code %d", code)
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}
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deleteAllContainers()
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logDone("run - volumes as readonly mount")
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}
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func TestVolumesFromInReadonlyMode(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file")
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if code, err := runCommand(cmd); err == nil || code == 0 {
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t.Fatalf("run should fail because volume is ro: exit code %d", code)
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}
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deleteAllContainers()
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logDone("run - volumes from as readonly mount")
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}
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// Regression test for #1201
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func TestVolumesFromInReadWriteMode(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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deleteAllContainers()
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logDone("run - volumes from as read write mount")
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}
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// Test for #1351
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func TestApplyVolumesFromBeforeVolumes(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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deleteAllContainers()
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logDone("run - volumes from mounted first")
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}
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func TestMultipleVolumesFrom(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2",
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"busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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deleteAllContainers()
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logDone("run - multiple volumes from")
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}
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// this tests verifies the ID format for the container
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func TestVerifyContainerID(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, exit, err := runCommandWithOutput(cmd)
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if err != nil {
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t.Fatal(err)
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}
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if exit != 0 {
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t.Fatalf("expected exit code 0 received %d", exit)
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}
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match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
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if err != nil {
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t.Fatal(err)
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}
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if !match {
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t.Fatalf("Invalid container ID: %s", out)
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}
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deleteAllContainers()
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logDone("run - verify container ID")
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}
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// Test that creating a container with a volume doesn't crash. Regression test for #995.
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func TestCreateVolume(t *testing.T) {
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cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true")
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if _, err := runCommand(cmd); err != nil {
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t.Fatal(err)
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}
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deleteAllContainers()
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logDone("run - create docker managed volume")
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}
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// Test that creating a volume with a symlink in its path works correctly. Test for #5152.
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// Note that this bug happens only with symlinks with a target that starts with '/'.
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func TestVolumeWithSymlink(t *testing.T) {
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buildDirectory := filepath.Join(workingDirectory, "run_tests", "TestVolumeWithSymlink")
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buildCmd := exec.Command(dockerBinary, "build", "-t", "docker-test-volumewithsymlink", ".")
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buildCmd.Dir = buildDirectory
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err := buildCmd.Run()
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if err != nil {
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t.Fatal("could not build 'docker-test-volumewithsymlink': %v", err)
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}
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cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-volumewithsymlink", "docker-test-volumewithsymlink", "sh", "-c", "mount | grep -q /foo/foo")
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exitCode, err := runCommand(cmd)
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if err != nil || exitCode != 0 {
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t.Fatal("[run] err: %v, exitcode: %d", err, exitCode)
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}
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var volPath string
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cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-volumewithsymlink")
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volPath, exitCode, err = runCommandWithOutput(cmd)
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if err != nil || exitCode != 0 {
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t.Fatal("[inspect] err: %v, exitcode: %d", err, exitCode)
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}
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cmd = exec.Command(dockerBinary, "rm", "-v", "test-volumewithsymlink")
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exitCode, err = runCommand(cmd)
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if err != nil || exitCode != 0 {
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t.Fatal("[rm] err: %v, exitcode: %d", err, exitCode)
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}
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f, err := os.Open(volPath)
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defer f.Close()
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if !os.IsNotExist(err) {
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|
t.Fatal("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
|
|
}
|
|
|
|
deleteImages("docker-test-volumewithsymlink")
|
|
deleteAllContainers()
|
|
|
|
logDone("run - volume with symlink")
|
|
}
|
|
|
|
func TestExitCode(t *testing.T) {
|
|
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)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - correct exit code")
|
|
}
|
|
|
|
func TestUserDefaultsToRoot(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - default user")
|
|
}
|
|
|
|
func TestUserByName(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user by name")
|
|
}
|
|
|
|
func TestUserByID(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user by id")
|
|
}
|
|
|
|
func TestUserByIDBig(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user by id, id too big")
|
|
}
|
|
|
|
func TestUserByIDNegative(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user by id, id negative")
|
|
}
|
|
|
|
func TestUserByIDZero(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user by id, zero uid")
|
|
}
|
|
|
|
func TestUserNotFound(t *testing.T) {
|
|
cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id")
|
|
|
|
_, err := runCommand(cmd)
|
|
if err == nil {
|
|
t.Fatal("unknown user should cause container to fail")
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - user not found")
|
|
}
|
|
|
|
func TestRunTwoConcurrentContainers(t *testing.T) {
|
|
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()
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - two concurrent containers")
|
|
}
|
|
|
|
func TestEnvironment(t *testing.T) {
|
|
cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "busybox", "env")
|
|
cmd.Env = append(os.Environ(),
|
|
"TRUE=false",
|
|
"TRICKY=tri\ncky\n",
|
|
)
|
|
|
|
out, _, err := runCommandWithOutput(cmd)
|
|
if err != nil {
|
|
t.Fatal(err, out)
|
|
}
|
|
|
|
actualEnv := strings.Split(out, "\n")
|
|
if actualEnv[len(actualEnv)-1] == "" {
|
|
actualEnv = actualEnv[:len(actualEnv)-1]
|
|
}
|
|
sort.Strings(actualEnv)
|
|
|
|
goodEnv := []string{
|
|
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
|
|
"HOME=/",
|
|
"HOSTNAME=testing",
|
|
"FALSE=true",
|
|
"TRUE=false",
|
|
"TRICKY=tri",
|
|
"cky",
|
|
"",
|
|
}
|
|
sort.Strings(goodEnv)
|
|
if len(goodEnv) != len(actualEnv) {
|
|
t.Fatalf("Wrong environment: should be %d variables, not: '%s'\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])
|
|
}
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - verify environment")
|
|
}
|
|
|
|
func TestContainerNetwork(t *testing.T) {
|
|
cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
|
|
if _, err := runCommand(cmd); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test container network via ping")
|
|
}
|
|
|
|
// Issue #4681
|
|
func TestLoopbackWhenNetworkDisabled(t *testing.T) {
|
|
cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
|
|
if _, err := runCommand(cmd); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test container loopback when networking disabled")
|
|
}
|
|
|
|
func TestLoopbackOnlyExistsWhenNetworkingDisabled(t *testing.T) {
|
|
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)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test loopback only exists when networking disabled")
|
|
}
|
|
|
|
func TestPrivilegedCanMknod(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test privileged can mknod")
|
|
}
|
|
|
|
func TestUnPrivilegedCanMknod(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test un-privileged can mknod")
|
|
}
|
|
|
|
func TestPrivilegedCanMount(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test privileged can mount")
|
|
}
|
|
|
|
func TestUnPrivilegedCannotMount(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test un-privileged cannot mount")
|
|
}
|
|
|
|
func TestSysNotWritableInNonPrivilegedContainers(t *testing.T) {
|
|
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")
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - sys not writable in non privileged container")
|
|
}
|
|
|
|
func TestSysWritableInPrivilegedContainers(t *testing.T) {
|
|
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")
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - sys writable in privileged container")
|
|
}
|
|
|
|
func TestProcNotWritableInNonPrivilegedContainers(t *testing.T) {
|
|
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")
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - proc not writable in non privileged container")
|
|
}
|
|
|
|
func TestProcWritableInPrivilegedContainers(t *testing.T) {
|
|
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")
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - proc writable in privileged container")
|
|
}
|
|
|
|
func TestRunWithCpuset(t *testing.T) {
|
|
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)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - cpuset 0")
|
|
}
|
|
|
|
func TestDeviceNumbers(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test device numbers")
|
|
}
|
|
|
|
func TestThatCharacterDevicesActLikeCharacterDevices(t *testing.T) {
|
|
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)
|
|
}
|
|
deleteAllContainers()
|
|
|
|
logDone("run - test that character devices work.")
|
|
}
|
|
|
|
func TestRunUnprivilegedWithChroot(t *testing.T) {
|
|
cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true")
|
|
|
|
if _, err := runCommand(cmd); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
deleteAllContainers()
|
|
|
|
logDone("run - unprivileged with chroot")
|
|
}
|