package main import ( "archive/tar" "fmt" "io/ioutil" "os" "os/exec" "path/filepath" "strings" "testing" "time" "github.com/docker/docker/archive" ) func TestBuildCacheADD(t *testing.T) { name := "testbuildtwoimageswithadd" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "robots.txt": "hello", "index.html": "world", }) if err != nil { t.Fatal(err) } defer server.Close() if _, err := buildImage(name, fmt.Sprintf(`FROM scratch ADD %s/robots.txt /`, server.URL), true); err != nil { t.Fatal(err) } out, _, err := buildImageWithOut(name, fmt.Sprintf(`FROM scratch ADD %s/index.html /`, server.URL), true) if err != nil { t.Fatal(err) } if strings.Contains(out, "Using cache") { t.Fatal("2nd build used cache on ADD, it shouldn't") } logDone("build - build two images with remote ADD") } func TestBuildSixtySteps(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildSixtySteps") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "foobuildsixtysteps", ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("foobuildsixtysteps") logDone("build - build an image with sixty build steps") } func TestAddSingleFileToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd", "SingleFileToRoot") f, err := os.OpenFile(filepath.Join(buildDirectory, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add single file to root") } // Issue #3960: "ADD src ." hangs func TestAddSingleFileToWorkdir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd", "SingleFileToWorkdir") f, err := os.OpenFile(filepath.Join(buildDirectory, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() buildCmd := exec.Command(dockerBinary, "build", "-t", "testaddimg", ".") buildCmd.Dir = buildDirectory done := make(chan error) go func() { out, exitCode, err := runCommandWithOutput(buildCmd) if err != nil || exitCode != 0 { done <- fmt.Errorf("build failed to complete: %s %v", out, err) return } done <- nil }() select { case <-time.After(5 * time.Second): if err := buildCmd.Process.Kill(); err != nil { fmt.Printf("could not kill build (pid=%d): %v\n", buildCmd.Process.Pid, err) } t.Fatal("build timed out") case err := <-done: if err != nil { t.Fatal(err) } } deleteImages("testaddimg") logDone("build - add single file to workdir") } func TestAddSingleFileToExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", "SingleFileToExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add single file to existing dir") } func TestAddSingleFileToNonExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", "SingleFileToNonExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add single file to non-existing dir") } func TestAddDirContentToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", "DirContentToRoot") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add directory contents to root") } func TestAddDirContentToExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", "DirContentToExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add directory contents to existing dir") } func TestAddWholeDirToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd", "WholeDirToRoot") test_dir := filepath.Join(buildDirectory, "test_dir") if err := os.MkdirAll(test_dir, 0755); err != nil { t.Fatal(err) } f, err := os.OpenFile(filepath.Join(test_dir, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add whole directory to root") } func TestAddEtcToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestAdd") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testaddimg", "EtcToRoot") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testaddimg") logDone("build - add etc directory to root") } func TestCopySingleFileToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy", "SingleFileToRoot") f, err := os.OpenFile(filepath.Join(buildDirectory, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy single file to root") } // Issue #3960: "ADD src ." hangs - adapted for COPY func TestCopySingleFileToWorkdir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy", "SingleFileToWorkdir") f, err := os.OpenFile(filepath.Join(buildDirectory, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() buildCmd := exec.Command(dockerBinary, "build", "-t", "testcopyimg", ".") buildCmd.Dir = buildDirectory done := make(chan error) go func() { out, exitCode, err := runCommandWithOutput(buildCmd) if err != nil || exitCode != 0 { done <- fmt.Errorf("build failed to complete: %s %v", out, err) return } done <- nil }() select { case <-time.After(5 * time.Second): if err := buildCmd.Process.Kill(); err != nil { fmt.Printf("could not kill build (pid=%d): %v\n", buildCmd.Process.Pid, err) } t.Fatal("build timed out") case err := <-done: if err != nil { t.Fatal(err) } } deleteImages("testcopyimg") logDone("build - copy single file to workdir") } func TestCopySingleFileToExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", "SingleFileToExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - add single file to existing dir") } func TestCopySingleFileToNonExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", "SingleFileToNonExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy single file to non-existing dir") } func TestCopyDirContentToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", "DirContentToRoot") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy directory contents to root") } func TestCopyDirContentToExistDir(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", "DirContentToExistDir") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy directory contents to existing dir") } func TestCopyWholeDirToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy", "WholeDirToRoot") test_dir := filepath.Join(buildDirectory, "test_dir") if err := os.MkdirAll(test_dir, 0755); err != nil { t.Fatal(err) } f, err := os.OpenFile(filepath.Join(test_dir, "test_file"), os.O_CREATE, 0644) if err != nil { t.Fatal(err) } f.Close() out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy whole directory to root") } func TestCopyEtcToRoot(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") out, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testcopyimg", "EtcToRoot") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err)) if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } deleteImages("testcopyimg") logDone("build - copy etc directory to root") } func TestCopyDisallowRemote(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestCopy") buildCmd := exec.Command(dockerBinary, "build", "-t", "testcopyimg", "DisallowRemote") buildCmd.Dir = buildDirectory out, exitCode, err := runCommandWithOutput(buildCmd) if err == nil || exitCode == 0 { t.Fatalf("building the image should've failed; output: %s", out) } deleteImages("testcopyimg") logDone("build - copy - disallow copy from remote") } // Issue #5270 - ensure we throw a better error than "unexpected EOF" // when we can't access files in the context. func TestBuildWithInaccessibleFilesInContext(t *testing.T) { buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildWithInaccessibleFilesInContext") { // This is used to ensure we detect inaccessible files early during build in the cli client pathToInaccessibleFileBuildDirectory := filepath.Join(buildDirectory, "inaccessiblefile") pathToFileWithoutReadAccess := filepath.Join(pathToInaccessibleFileBuildDirectory, "fileWithoutReadAccess") err := os.Chown(pathToFileWithoutReadAccess, 0, 0) errorOut(err, t, fmt.Sprintf("failed to chown file to root: %s", err)) err = os.Chmod(pathToFileWithoutReadAccess, 0700) errorOut(err, t, fmt.Sprintf("failed to chmod file to 700: %s", err)) buildCommandStatement := fmt.Sprintf("%s build -t inaccessiblefiles .", dockerBinary) buildCmd := exec.Command("su", "unprivilegeduser", "-c", buildCommandStatement) buildCmd.Dir = pathToInaccessibleFileBuildDirectory out, exitCode, err := runCommandWithOutput(buildCmd) if err == nil || exitCode == 0 { t.Fatalf("build should have failed: %s %s", err, out) } // check if we've detected the failure before we started building if !strings.Contains(out, "no permission to read from ") { t.Fatalf("output should've contained the string: no permission to read from but contained: %s", out) } if !strings.Contains(out, "Error checking context is accessible") { t.Fatalf("output should've contained the string: Error checking context is accessible") } } { // This is used to ensure we detect inaccessible directories early during build in the cli client pathToInaccessibleDirectoryBuildDirectory := filepath.Join(buildDirectory, "inaccessibledirectory") pathToDirectoryWithoutReadAccess := filepath.Join(pathToInaccessibleDirectoryBuildDirectory, "directoryWeCantStat") pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar") err := os.Chown(pathToDirectoryWithoutReadAccess, 0, 0) errorOut(err, t, fmt.Sprintf("failed to chown directory to root: %s", err)) err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444) errorOut(err, t, fmt.Sprintf("failed to chmod directory to 755: %s", err)) err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700) errorOut(err, t, fmt.Sprintf("failed to chmod file to 444: %s", err)) buildCommandStatement := fmt.Sprintf("%s build -t inaccessiblefiles .", dockerBinary) buildCmd := exec.Command("su", "unprivilegeduser", "-c", buildCommandStatement) buildCmd.Dir = pathToInaccessibleDirectoryBuildDirectory out, exitCode, err := runCommandWithOutput(buildCmd) if err == nil || exitCode == 0 { t.Fatalf("build should have failed: %s %s", err, out) } // check if we've detected the failure before we started building if !strings.Contains(out, "can't stat") { t.Fatalf("output should've contained the string: can't access %s", out) } if !strings.Contains(out, "Error checking context is accessible") { t.Fatalf("output should've contained the string: Error checking context is accessible") } } { // This is used to ensure we don't follow links when checking if everything in the context is accessible // This test doesn't require that we run commands as an unprivileged user pathToDirectoryWhichContainsLinks := filepath.Join(buildDirectory, "linksdirectory") out, exitCode, err := dockerCmdInDir(t, pathToDirectoryWhichContainsLinks, "build", "-t", "testlinksok", ".") if err != nil || exitCode != 0 { t.Fatalf("build should have worked: %s %s", err, out) } deleteImages("testlinksok") } { // This is used to ensure we don't try to add inaccessible files when they are ignored by a .dockerignore pattern pathToInaccessibleDirectoryBuildDirectory := filepath.Join(buildDirectory, "ignoredinaccessible") pathToDirectoryWithoutReadAccess := filepath.Join(pathToInaccessibleDirectoryBuildDirectory, "directoryWeCantStat") pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar") err := os.Chown(pathToDirectoryWithoutReadAccess, 0, 0) errorOut(err, t, fmt.Sprintf("failed to chown directory to root: %s", err)) err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444) errorOut(err, t, fmt.Sprintf("failed to chmod directory to 755: %s", err)) err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700) errorOut(err, t, fmt.Sprintf("failed to chmod file to 444: %s", err)) buildCommandStatement := fmt.Sprintf("%s build -t ignoredinaccessible .", dockerBinary) buildCmd := exec.Command("su", "unprivilegeduser", "-c", buildCommandStatement) buildCmd.Dir = pathToInaccessibleDirectoryBuildDirectory out, exitCode, err := runCommandWithOutput(buildCmd) if err != nil || exitCode != 0 { t.Fatalf("build should have worked: %s %s", err, out) } deleteImages("ignoredinaccessible") } deleteImages("inaccessiblefiles") logDone("build - ADD from context with inaccessible files must fail") logDone("build - ADD from context with accessible links must work") logDone("build - ADD from context with ignored inaccessible files must work") } func TestBuildForceRm(t *testing.T) { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildForceRm") buildCmd := exec.Command(dockerBinary, "build", "--force-rm", ".") buildCmd.Dir = buildDirectory _, exitCode, err := runCommandWithOutput(buildCmd) if err == nil || exitCode == 0 { t.Fatal("failed to build the image") } containerCountAfter, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } if containerCountBefore != containerCountAfter { t.Fatalf("--force-rm shouldn't have left containers behind") } logDone("build - ensure --force-rm doesn't leave containers behind") } func TestBuildRm(t *testing.T) { { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildRm") _, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "--rm", "-t", "testbuildrm", ".") if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } containerCountAfter, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } if containerCountBefore != containerCountAfter { t.Fatalf("-rm shouldn't have left containers behind") } deleteImages("testbuildrm") } { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildRm") _, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "-t", "testbuildrm", ".") if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } containerCountAfter, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } if containerCountBefore != containerCountAfter { t.Fatalf("--rm shouldn't have left containers behind") } deleteImages("testbuildrm") } { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildRm") _, exitCode, err := dockerCmdInDir(t, buildDirectory, "build", "--rm=false", "-t", "testbuildrm", ".") if err != nil || exitCode != 0 { t.Fatal("failed to build the image") } containerCountAfter, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } if containerCountBefore == containerCountAfter { t.Fatalf("--rm=false should have left containers behind") } deleteAllContainers() deleteImages("testbuildrm") } logDone("build - ensure --rm doesn't leave containers behind and that --rm=true is the default") logDone("build - ensure --rm=false overrides the default") } func TestBuildWithVolumes(t *testing.T) { var ( result map[string]map[string]struct{} name = "testbuildvolumes" emptyMap = make(map[string]struct{}) expected = map[string]map[string]struct{}{"/test1": emptyMap, "/test2": emptyMap} ) defer deleteImages(name) _, err := buildImage(name, `FROM scratch VOLUME /test1 VOLUME /test2`, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Volumes") if err != nil { t.Fatal(err) } err = unmarshalJSON([]byte(res), &result) if err != nil { t.Fatal(err) } equal := deepEqual(&expected, &result) if !equal { t.Fatalf("Volumes %s, expected %s", result, expected) } logDone("build - with volumes") } func TestBuildMaintainer(t *testing.T) { name := "testbuildmaintainer" expected := "dockerio" defer deleteImages(name) _, err := buildImage(name, `FROM scratch MAINTAINER dockerio`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Author") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Maintainer %s, expected %s", res, expected) } logDone("build - maintainer") } func TestBuildUser(t *testing.T) { name := "testbuilduser" expected := "dockerio" defer deleteImages(name) _, err := buildImage(name, `FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd USER dockerio RUN [ $(whoami) = 'dockerio' ]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.User") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("User %s, expected %s", res, expected) } logDone("build - user") } func TestBuildRelativeWorkdir(t *testing.T) { name := "testbuildrelativeworkdir" expected := "/test2/test3" defer deleteImages(name) _, err := buildImage(name, `FROM busybox RUN [ "$PWD" = '/' ] WORKDIR test1 RUN [ "$PWD" = '/test1' ] WORKDIR /test2 RUN [ "$PWD" = '/test2' ] WORKDIR test3 RUN [ "$PWD" = '/test2/test3' ]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.WorkingDir") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Workdir %s, expected %s", res, expected) } logDone("build - relative workdir") } func TestBuildEnv(t *testing.T) { name := "testbuildenv" expected := "[PATH=/test:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin PORT=2375]" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ENV PATH /test:$PATH ENV PORT 2375 RUN [ $(env | grep PORT) = 'PORT=2375' ]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Env") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Env %s, expected %s", res, expected) } logDone("build - env") } func TestBuildContextCleanup(t *testing.T) { name := "testbuildcontextcleanup" defer deleteImages(name) entries, err := ioutil.ReadDir("/var/lib/docker/tmp") if err != nil { t.Fatalf("failed to list contents of tmp dir: %s", err) } _, err = buildImage(name, `FROM scratch ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } entriesFinal, err := ioutil.ReadDir("/var/lib/docker/tmp") if err != nil { t.Fatalf("failed to list contents of tmp dir: %s", err) } if err = compareDirectoryEntries(entries, entriesFinal); err != nil { t.Fatalf("context should have been deleted, but wasn't") } logDone("build - verify context cleanup works properly") } func TestBuildContextCleanupFailedBuild(t *testing.T) { name := "testbuildcontextcleanup" defer deleteImages(name) entries, err := ioutil.ReadDir("/var/lib/docker/tmp") if err != nil { t.Fatalf("failed to list contents of tmp dir: %s", err) } _, err = buildImage(name, `FROM scratch RUN /non/existing/command`, true) if err == nil { t.Fatalf("expected build to fail, but it didn't") } entriesFinal, err := ioutil.ReadDir("/var/lib/docker/tmp") if err != nil { t.Fatalf("failed to list contents of tmp dir: %s", err) } if err = compareDirectoryEntries(entries, entriesFinal); err != nil { t.Fatalf("context should have been deleted, but wasn't") } logDone("build - verify context cleanup works properly after a failed build") } func TestBuildCmd(t *testing.T) { name := "testbuildcmd" expected := "[/bin/echo Hello World]" defer deleteImages(name) _, err := buildImage(name, `FROM scratch CMD ["/bin/echo", "Hello World"]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Cmd") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Cmd %s, expected %s", res, expected) } logDone("build - cmd") } func TestBuildExpose(t *testing.T) { name := "testbuildexpose" expected := "map[2375/tcp:map[]]" defer deleteImages(name) _, err := buildImage(name, `FROM scratch EXPOSE 2375`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.ExposedPorts") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Exposed ports %s, expected %s", res, expected) } logDone("build - expose") } func TestBuildEmptyEntrypoint(t *testing.T) { name := "testbuildentrypoint" defer deleteImages(name) expected := "[]" _, err := buildImage(name, `FROM busybox ENTRYPOINT []`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Entrypoint") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } logDone("build - empty entrypoint") } func TestBuildEntrypoint(t *testing.T) { name := "testbuildentrypoint" expected := "[/bin/echo]" defer deleteImages(name) _, err := buildImage(name, `FROM scratch ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Entrypoint") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } logDone("build - entrypoint") } // #6445 ensure ONBUILD triggers aren't committed to grandchildren func TestBuildOnBuildLimitedInheritence(t *testing.T) { var ( out2, out3 string ) { name1 := "testonbuildtrigger1" dockerfile1 := ` FROM busybox RUN echo "GRANDPARENT" ONBUILD RUN echo "ONBUILD PARENT" ` ctx, err := fakeContext(dockerfile1, nil) if err != nil { t.Fatal(err) } out1, _, err := dockerCmdInDir(t, ctx.Dir, "build", "-t", name1, ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out1, err)) defer deleteImages(name1) } { name2 := "testonbuildtrigger2" dockerfile2 := ` FROM testonbuildtrigger1 ` ctx, err := fakeContext(dockerfile2, nil) if err != nil { t.Fatal(err) } out2, _, err = dockerCmdInDir(t, ctx.Dir, "build", "-t", name2, ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out2, err)) defer deleteImages(name2) } { name3 := "testonbuildtrigger3" dockerfile3 := ` FROM testonbuildtrigger2 ` ctx, err := fakeContext(dockerfile3, nil) if err != nil { t.Fatal(err) } out3, _, err = dockerCmdInDir(t, ctx.Dir, "build", "-t", name3, ".") errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out3, err)) defer deleteImages(name3) } // ONBUILD should be run in second build. if !strings.Contains(out2, "ONBUILD PARENT") { t.Fatalf("ONBUILD instruction did not run in child of ONBUILD parent") } // ONBUILD should *not* be run in third build. if strings.Contains(out3, "ONBUILD PARENT") { t.Fatalf("ONBUILD instruction ran in grandchild of ONBUILD parent") } logDone("build - onbuild") } func TestBuildWithCache(t *testing.T) { name := "testbuildwithcache" defer deleteImages(name) id1, err := buildImage(name, `FROM scratch MAINTAINER dockerio EXPOSE 5432 ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } id2, err := buildImage(name, `FROM scratch MAINTAINER dockerio EXPOSE 5432 ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - with cache") } func TestBuildWithoutCache(t *testing.T) { name := "testbuildwithoutcache" defer deleteImages(name) id1, err := buildImage(name, `FROM scratch MAINTAINER dockerio EXPOSE 5432 ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } id2, err := buildImage(name, `FROM scratch MAINTAINER dockerio EXPOSE 5432 ENTRYPOINT ["/bin/echo"]`, false) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } logDone("build - without cache") } func TestBuildADDLocalFileWithCache(t *testing.T) { name := "testbuildaddlocalfilewithcache" defer deleteImages(name) dockerfile := ` FROM busybox MAINTAINER dockerio ADD foo /usr/lib/bla/bar RUN [ "$(cat /usr/lib/bla/bar)" = "hello" ]` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - add local file with cache") } func TestBuildADDLocalFileWithoutCache(t *testing.T) { name := "testbuildaddlocalfilewithoutcache" defer deleteImages(name) dockerfile := ` FROM busybox MAINTAINER dockerio ADD foo /usr/lib/bla/bar RUN [ "$(cat /usr/lib/bla/bar)" = "hello" ]` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, false) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } logDone("build - add local file without cache") } func TestBuildADDCurrentDirWithCache(t *testing.T) { name := "testbuildaddcurrentdirwithcache" defer deleteImages(name) dockerfile := ` FROM scratch MAINTAINER dockerio ADD . /usr/lib/bla` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } // Check that adding file invalidate cache of "ADD ." if err := ctx.Add("bar", "hello2"); err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } // Check that changing file invalidate cache of "ADD ." if err := ctx.Add("foo", "hello1"); err != nil { t.Fatal(err) } id3, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id2 == id3 { t.Fatal("The cache should have been invalided but hasn't.") } // Check that changing file to same content invalidate cache of "ADD ." time.Sleep(1 * time.Second) // wait second because of mtime precision if err := ctx.Add("foo", "hello1"); err != nil { t.Fatal(err) } id4, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id3 == id4 { t.Fatal("The cache should have been invalided but hasn't.") } id5, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id4 != id5 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - add current directory with cache") } func TestBuildADDCurrentDirWithoutCache(t *testing.T) { name := "testbuildaddcurrentdirwithoutcache" defer deleteImages(name) dockerfile := ` FROM scratch MAINTAINER dockerio ADD . /usr/lib/bla` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, false) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } logDone("build - add current directory without cache") } func TestBuildADDRemoteFileWithCache(t *testing.T) { name := "testbuildaddremotefilewithcache" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "baz": "hello", }) if err != nil { t.Fatal(err) } defer server.Close() id1, err := buildImage(name, fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD %s/baz /usr/lib/baz/quux`, server.URL), true) if err != nil { t.Fatal(err) } id2, err := buildImage(name, fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD %s/baz /usr/lib/baz/quux`, server.URL), true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - add remote file with cache") } func TestBuildADDRemoteFileWithoutCache(t *testing.T) { name := "testbuildaddremotefilewithoutcache" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "baz": "hello", }) if err != nil { t.Fatal(err) } defer server.Close() id1, err := buildImage(name, fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD %s/baz /usr/lib/baz/quux`, server.URL), true) if err != nil { t.Fatal(err) } id2, err := buildImage(name, fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD %s/baz /usr/lib/baz/quux`, server.URL), false) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } logDone("build - add remote file without cache") } func TestBuildADDLocalAndRemoteFilesWithCache(t *testing.T) { name := "testbuildaddlocalandremotefilewithcache" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "baz": "hello", }) if err != nil { t.Fatal(err) } defer server.Close() ctx, err := fakeContext(fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD foo /usr/lib/bla/bar ADD %s/baz /usr/lib/baz/quux`, server.URL), map[string]string{ "foo": "hello world", }) if err != nil { t.Fatal(err) } defer ctx.Close() id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - add local and remote file with cache") } func testContextTar(t *testing.T, compression archive.Compression) { contextDirectory := filepath.Join(workingDirectory, "build_tests", "TestContextTar") context, err := archive.Tar(contextDirectory, compression) if err != nil { t.Fatalf("failed to build context tar: %v", err) } buildCmd := exec.Command(dockerBinary, "build", "-t", "contexttar", "-") buildCmd.Stdin = context out, exitCode, err := runCommandWithOutput(buildCmd) if err != nil || exitCode != 0 { t.Fatalf("build failed to complete: %v %v", out, err) } deleteImages("contexttar") logDone(fmt.Sprintf("build - build an image with a context tar, compression: %v", compression)) } func TestContextTarGzip(t *testing.T) { testContextTar(t, archive.Gzip) } func TestContextTarNoCompression(t *testing.T) { testContextTar(t, archive.Uncompressed) } func TestBuildNoContext(t *testing.T) { buildCmd := exec.Command(dockerBinary, "build", "-t", "nocontext", "-") buildCmd.Stdin = strings.NewReader("FROM busybox\nCMD echo ok\n") out, exitCode, err := runCommandWithOutput(buildCmd) if err != nil || exitCode != 0 { t.Fatalf("build failed to complete: %v %v", out, err) } out, exitCode, err = cmd(t, "run", "nocontext") if out != "ok\n" { t.Fatalf("run produced invalid output: %q, expected %q", out, "ok") } deleteImages("nocontext") logDone("build - build an image with no context") } // TODO: TestCaching func TestBuildADDLocalAndRemoteFilesWithoutCache(t *testing.T) { name := "testbuildaddlocalandremotefilewithoutcache" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "baz": "hello", }) if err != nil { t.Fatal(err) } defer server.Close() ctx, err := fakeContext(fmt.Sprintf(`FROM scratch MAINTAINER dockerio ADD foo /usr/lib/bla/bar ADD %s/baz /usr/lib/baz/quux`, server.URL), map[string]string{ "foo": "hello world", }) if err != nil { t.Fatal(err) } defer ctx.Close() id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name, ctx, false) if err != nil { t.Fatal(err) } if id1 == id2 { t.Fatal("The cache should have been invalided but hasn't.") } logDone("build - add local and remote file without cache") } func TestBuildWithVolumeOwnership(t *testing.T) { name := "testbuildimg" defer deleteImages(name) _, err := buildImage(name, `FROM busybox:latest RUN mkdir /test && chown daemon:daemon /test && chmod 0600 /test VOLUME /test`, true) if err != nil { t.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--rm", "testbuildimg", "ls", "-la", "/test") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } if expected := "drw-------"; !strings.Contains(out, expected) { t.Fatalf("expected %s received %s", expected, out) } if expected := "daemon daemon"; !strings.Contains(out, expected) { t.Fatalf("expected %s received %s", expected, out) } logDone("build - volume ownership") } // testing #1405 - config.Cmd does not get cleaned up if // utilizing cache func TestBuildEntrypointRunCleanup(t *testing.T) { name := "testbuildcmdcleanup" defer deleteImages(name) if _, err := buildImage(name, `FROM busybox RUN echo "hello"`, true); err != nil { t.Fatal(err) } ctx, err := fakeContext(`FROM busybox RUN echo "hello" ADD foo /foo ENTRYPOINT ["/bin/echo"]`, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Cmd") if err != nil { t.Fatal(err) } // Cmd must be cleaned up if expected := ""; res != expected { t.Fatalf("Cmd %s, expected %s", res, expected) } logDone("build - cleanup cmd after RUN") } func TestBuildForbiddenContextPath(t *testing.T) { name := "testbuildforbidpath" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch ADD ../../ test/ `, map[string]string{ "test.txt": "test1", "other.txt": "other", }) defer ctx.Close() if err != nil { t.Fatal(err) } expected := "Forbidden path outside the build context: ../../ " if _, err := buildImageFromContext(name, ctx, true); err == nil || !strings.Contains(err.Error(), expected) { t.Fatalf("Wrong error: (should contain \"%s\") got:\n%v", expected, err) } logDone("build - forbidden context path") } func TestBuildADDFileNotFound(t *testing.T) { name := "testbuildaddnotfound" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch ADD foo /usr/local/bar`, map[string]string{"bar": "hello"}) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { if !strings.Contains(err.Error(), "foo: no such file or directory") { t.Fatalf("Wrong error %v, must be about missing foo file or directory", err) } } else { t.Fatal("Error must not be nil") } logDone("build - add file not found") } func TestBuildInheritance(t *testing.T) { name := "testbuildinheritance" defer deleteImages(name) _, err := buildImage(name, `FROM scratch EXPOSE 2375`, true) if err != nil { t.Fatal(err) } ports1, err := inspectField(name, "Config.ExposedPorts") if err != nil { t.Fatal(err) } _, err = buildImage(name, fmt.Sprintf(`FROM %s ENTRYPOINT ["/bin/echo"]`, name), true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Entrypoint") if err != nil { t.Fatal(err) } if expected := "[/bin/echo]"; res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } ports2, err := inspectField(name, "Config.ExposedPorts") if err != nil { t.Fatal(err) } if ports1 != ports2 { t.Fatalf("Ports must be same: %s != %s", ports1, ports2) } logDone("build - inheritance") } func TestBuildFails(t *testing.T) { name := "testbuildfails" defer deleteImages(name) _, err := buildImage(name, `FROM busybox RUN sh -c "exit 23"`, true) if err != nil { if !strings.Contains(err.Error(), "returned a non-zero code: 23") { t.Fatalf("Wrong error %v, must be about non-zero code 23", err) } } else { t.Fatal("Error must not be nil") } logDone("build - fails") } func TestBuildFailsDockerfileEmpty(t *testing.T) { name := "testbuildfails" defer deleteImages(name) _, err := buildImage(name, ``, true) if err != nil { if !strings.Contains(err.Error(), "Dockerfile cannot be empty") { t.Fatalf("Wrong error %v, must be about empty Dockerfile", err) } } else { t.Fatal("Error must not be nil") } logDone("build - fails with empty dockerfile") } func TestBuildOnBuild(t *testing.T) { name := "testbuildonbuild" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ONBUILD RUN touch foobar`, true) if err != nil { t.Fatal(err) } _, err = buildImage(name, fmt.Sprintf(`FROM %s RUN [ -f foobar ]`, name), true) if err != nil { t.Fatal(err) } logDone("build - onbuild") } func TestBuildOnBuildForbiddenChained(t *testing.T) { name := "testbuildonbuildforbiddenchained" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ONBUILD ONBUILD RUN touch foobar`, true) if err != nil { if !strings.Contains(err.Error(), "Chaining ONBUILD via `ONBUILD ONBUILD` isn't allowed") { t.Fatalf("Wrong error %v, must be about chaining ONBUILD", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden chained") } func TestBuildOnBuildForbiddenFrom(t *testing.T) { name := "testbuildonbuildforbiddenfrom" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ONBUILD FROM scratch`, true) if err != nil { if !strings.Contains(err.Error(), "FROM isn't allowed as an ONBUILD trigger") { t.Fatalf("Wrong error %v, must be about FROM forbidden", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden from") } func TestBuildOnBuildForbiddenMaintainer(t *testing.T) { name := "testbuildonbuildforbiddenmaintainer" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ONBUILD MAINTAINER docker.io`, true) if err != nil { if !strings.Contains(err.Error(), "MAINTAINER isn't allowed as an ONBUILD trigger") { t.Fatalf("Wrong error %v, must be about MAINTAINER forbidden", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden maintainer") } // gh #2446 func TestBuildAddToSymlinkDest(t *testing.T) { name := "testbuildaddtosymlinkdest" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN mkdir /foo RUN ln -s /foo /bar ADD foo /bar/ RUN [ -f /bar/foo ] RUN [ -f /foo/foo ]`, map[string]string{ "foo": "hello", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add to symlink destination") } func TestBuildEscapeWhitespace(t *testing.T) { name := "testbuildescaping" defer deleteImages(name) _, err := buildImage(name, ` FROM busybox MAINTAINER "Docker \ IO " `, true) res, err := inspectField(name, "Author") if err != nil { t.Fatal(err) } if res != "Docker IO " { t.Fatal("Parsed string did not match the escaped string") } logDone("build - validate escaping whitespace") } func TestDockerignore(t *testing.T) { name := "testbuilddockerignore" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /bla RUN [[ -f /bla/src/x.go ]] RUN [[ -f /bla/Makefile ]] RUN [[ ! -e /bla/src/_vendor ]] RUN [[ ! -e /bla/.gitignore ]] RUN [[ ! -e /bla/README.md ]] RUN [[ ! -e /bla/.git ]]` ctx, err := fakeContext(dockerfile, map[string]string{ "Makefile": "all:", ".git/HEAD": "ref: foo", "src/x.go": "package main", "src/_vendor/v.go": "package main", ".gitignore": "", "README.md": "readme", ".dockerignore": ".git\npkg\n.gitignore\nsrc/_vendor\n*.md", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - test .dockerignore") } func TestDockerignoringDockerfile(t *testing.T) { name := "testbuilddockerignoredockerfile" defer deleteImages(name) dockerfile := ` FROM scratch` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": "FROM scratch", ".dockerignore": "Dockerfile\n", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err = buildImageFromContext(name, ctx, true); err == nil { t.Fatalf("Didn't get expected error from ignoring Dockerfile") } logDone("build - test .dockerignore of Dockerfile") } func TestDockerignoringWholeDir(t *testing.T) { name := "testbuilddockerignorewholedir" defer deleteImages(name) dockerfile := ` FROM busybox COPY . / RUN [[ ! -e /.gitignore ]] RUN [[ -f /Makefile ]]` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": "FROM scratch", "Makefile": "all:", ".dockerignore": ".*\n", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - test .dockerignore whole dir with .*") } func TestBuildLineBreak(t *testing.T) { name := "testbuildlinebreak" defer deleteImages(name) _, err := buildImage(name, `FROM busybox RUN sh -c 'echo root:testpass \ > /tmp/passwd' RUN mkdir -p /var/run/sshd RUN [ "$(cat /tmp/passwd)" = "root:testpass" ] RUN [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]`, true) if err != nil { t.Fatal(err) } logDone("build - line break with \\") } func TestBuildEOLInLine(t *testing.T) { name := "testbuildeolinline" defer deleteImages(name) _, err := buildImage(name, `FROM busybox RUN sh -c 'echo root:testpass > /tmp/passwd' RUN echo "foo \n bar"; echo "baz" RUN mkdir -p /var/run/sshd RUN [ "$(cat /tmp/passwd)" = "root:testpass" ] RUN [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]`, true) if err != nil { t.Fatal(err) } logDone("build - end of line in dockerfile instruction") } func TestBuildCommentsShebangs(t *testing.T) { name := "testbuildcomments" defer deleteImages(name) _, err := buildImage(name, `FROM busybox # This is an ordinary comment. RUN { echo '#!/bin/sh'; echo 'echo hello world'; } > /hello.sh RUN [ ! -x /hello.sh ] # comment with line break \ RUN chmod +x /hello.sh RUN [ -x /hello.sh ] RUN [ "$(cat /hello.sh)" = $'#!/bin/sh\necho hello world' ] RUN [ "$(/hello.sh)" = "hello world" ]`, true) if err != nil { t.Fatal(err) } logDone("build - comments and shebangs") } func TestBuildUsersAndGroups(t *testing.T) { name := "testbuildusers" defer deleteImages(name) _, err := buildImage(name, `FROM busybox # Make sure our defaults work RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)" = '0:0/root:root' ] # TODO decide if "args.user = strconv.Itoa(syscall.Getuid())" is acceptable behavior for changeUser in sysvinit instead of "return nil" when "USER" isn't specified (so that we get the proper group list even if that is the empty list, even in the default case of not supplying an explicit USER to run as, which implies USER 0) USER root RUN [ "$(id -G):$(id -Gn)" = '0 10:root wheel' ] # Setup dockerio user and group RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group # Make sure we can switch to our user and all the information is exactly as we expect it to be USER dockerio RUN id -G RUN id -Gn RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ] # Switch back to root and double check that worked exactly as we might expect it to USER root RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '0:0/root:root/0 10:root wheel' ] # Add a "supplementary" group for our dockerio user RUN echo 'supplementary:x:1002:dockerio' >> /etc/group # ... and then go verify that we get it like we expect USER dockerio RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001 1002:dockerio supplementary' ] USER 1001 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001 1002:dockerio supplementary' ] # super test the new "user:group" syntax USER dockerio:dockerio RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ] USER 1001:dockerio RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ] USER dockerio:1001 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ] USER 1001:1001 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ] USER dockerio:supplementary RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ] USER dockerio:1002 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ] USER 1001:supplementary RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ] USER 1001:1002 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ] # make sure unknown uid/gid still works properly USER 1042:1043 RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1042:1043/1042:1043/1043:1043' ]`, true) if err != nil { t.Fatal(err) } logDone("build - users and groups") } func TestBuildEnvUsage(t *testing.T) { name := "testbuildenvusage" defer deleteImages(name) dockerfile := `FROM busybox ENV PATH $HOME/bin:$PATH ENV PATH /tmp:$PATH RUN [ "$PATH" = "/tmp:$HOME/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" ] ENV FOO /foo/baz ENV BAR /bar ENV BAZ $BAR ENV FOOPATH $PATH:$FOO RUN [ "$BAR" = "$BAZ" ] RUN [ "$FOOPATH" = "$PATH:/foo/baz" ] ENV FROM hello/docker/world ENV TO /docker/world/hello ADD $FROM $TO RUN [ "$(cat $TO)" = "hello" ] ` ctx, err := fakeContext(dockerfile, map[string]string{ "hello/docker/world": "hello", }) if err != nil { t.Fatal(err) } _, err = buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } logDone("build - environment variables usage") } func TestBuildAddScript(t *testing.T) { name := "testbuildaddscript" defer deleteImages(name) dockerfile := ` FROM busybox ADD test /test RUN ["chmod","+x","/test"] RUN ["/test"] RUN [ "$(cat /testfile)" = 'test!' ]` ctx, err := fakeContext(dockerfile, map[string]string{ "test": "#!/bin/sh\necho 'test!' > /testfile", }) if err != nil { t.Fatal(err) } _, err = buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } logDone("build - add and run script") } func TestBuildAddTar(t *testing.T) { name := "testbuildaddtar" defer deleteImages(name) ctx := func() *FakeContext { dockerfile := ` FROM busybox ADD test.tar / RUN cat /test/foo | grep Hi ADD test.tar /test.tar RUN cat /test.tar/test/foo | grep Hi ADD test.tar /unlikely-to-exist RUN cat /unlikely-to-exist/test/foo | grep Hi ADD test.tar /unlikely-to-exist-trailing-slash/ RUN cat /unlikely-to-exist-trailing-slash/test/foo | grep Hi RUN mkdir /existing-directory ADD test.tar /existing-directory RUN cat /existing-directory/test/foo | grep Hi ADD test.tar /existing-directory-trailing-slash/ RUN cat /existing-directory-trailing-slash/test/foo | grep Hi` tmpDir, err := ioutil.TempDir("", "fake-context") testTar, err := os.Create(filepath.Join(tmpDir, "test.tar")) if err != nil { t.Fatalf("failed to create test.tar archive: %v", err) } defer testTar.Close() tw := tar.NewWriter(testTar) if err := tw.WriteHeader(&tar.Header{ Name: "test/foo", Size: 2, }); err != nil { t.Fatalf("failed to write tar file header: %v", err) } if _, err := tw.Write([]byte("Hi")); err != nil { t.Fatalf("failed to write tar file content: %v", err) } if err := tw.Close(); err != nil { t.Fatalf("failed to close tar archive: %v", err) } if err := ioutil.WriteFile(filepath.Join(tmpDir, "Dockerfile"), []byte(dockerfile), 0644); err != nil { t.Fatalf("failed to open destination dockerfile: %v", err) } return &FakeContext{Dir: tmpDir} }() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("build failed to complete for TestBuildAddTar: %v", err) } logDone("build - ADD tar") } func TestBuildFromGIT(t *testing.T) { name := "testbuildfromgit" defer deleteImages(name) git, err := fakeGIT("repo", map[string]string{ "Dockerfile": `FROM busybox ADD first /first RUN [ -f /first ] MAINTAINER docker`, "first": "test git data", }) if err != nil { t.Fatal(err) } defer git.Close() _, err = buildImageFromPath(name, git.RepoURL, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Author") if err != nil { t.Fatal(err) } if res != "docker" { t.Fatalf("Maintainer should be docker, got %s", res) } logDone("build - build from GIT") } func TestBuildCleanupCmdOnEntrypoint(t *testing.T) { name := "testbuildcmdcleanuponentrypoint" defer deleteImages(name) if _, err := buildImage(name, `FROM scratch CMD ["test"] ENTRYPOINT ["echo"]`, true); err != nil { t.Fatal(err) } if _, err := buildImage(name, fmt.Sprintf(`FROM %s ENTRYPOINT ["cat"]`, name), true); err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Cmd") if err != nil { t.Fatal(err) } if expected := ""; res != expected { t.Fatalf("Cmd %s, expected %s", res, expected) } res, err = inspectField(name, "Config.Entrypoint") if err != nil { t.Fatal(err) } if expected := "[cat]"; res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } logDone("build - cleanup cmd on ENTRYPOINT") } func TestBuildClearCmd(t *testing.T) { name := "testbuildclearcmd" defer deleteImages(name) _, err := buildImage(name, `From scratch ENTRYPOINT ["/bin/bash"] CMD []`, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Cmd") if err != nil { t.Fatal(err) } if res != "[]" { t.Fatalf("Cmd %s, expected %s", res, "[]") } logDone("build - clearcmd") }