package main import ( "archive/tar" "bytes" "encoding/json" "fmt" "io/ioutil" "os" "os/exec" "path" "path/filepath" "reflect" "regexp" "strconv" "strings" "syscall" "testing" "text/template" "time" "github.com/docker/docker/pkg/archive" ) func TestBuildEmptyWhitespace(t *testing.T) { name := "testbuildemptywhitespace" defer deleteImages(name) _, err := buildImage( name, ` FROM busybox RUN quux \ bar `, true) if err == nil { t.Fatal("no error when dealing with a RUN statement with no content on the same line") } logDone("build - statements with whitespace and no content should generate a parse error") } func TestBuildShCmdJSONEntrypoint(t *testing.T) { name := "testbuildshcmdjsonentrypoint" defer deleteImages(name) _, err := buildImage( name, ` FROM busybox ENTRYPOINT ["/bin/echo"] CMD echo test `, true) if err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput( exec.Command( dockerBinary, "run", "--rm", name)) if err != nil { t.Fatal(err) } if strings.TrimSpace(out) != "/bin/sh -c echo test" { t.Fatal("CMD did not contain /bin/sh -c") } logDone("build - CMD should always contain /bin/sh -c when specified without JSON") } func TestBuildEnvironmentReplacementUser(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) _, err := buildImage(name, ` FROM scratch ENV user foo USER ${user} `, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.User") if err != nil { t.Fatal(err) } if res != `"foo"` { t.Fatal("User foo from environment not in Config.User on image") } logDone("build - user environment replacement") } func TestBuildEnvironmentReplacementVolume(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) _, err := buildImage(name, ` FROM scratch ENV volume /quux VOLUME ${volume} `, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Volumes") if err != nil { t.Fatal(err) } var volumes map[string]interface{} if err := json.Unmarshal([]byte(res), &volumes); err != nil { t.Fatal(err) } if _, ok := volumes["/quux"]; !ok { t.Fatal("Volume /quux from environment not in Config.Volumes on image") } logDone("build - volume environment replacement") } func TestBuildEnvironmentReplacementExpose(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) _, err := buildImage(name, ` FROM scratch ENV port 80 EXPOSE ${port} `, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.ExposedPorts") if err != nil { t.Fatal(err) } var exposedPorts map[string]interface{} if err := json.Unmarshal([]byte(res), &exposedPorts); err != nil { t.Fatal(err) } if _, ok := exposedPorts["80/tcp"]; !ok { t.Fatal("Exposed port 80 from environment not in Config.ExposedPorts on image") } logDone("build - expose environment replacement") } func TestBuildEnvironmentReplacementWorkdir(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) _, err := buildImage(name, ` FROM busybox ENV MYWORKDIR /work RUN mkdir ${MYWORKDIR} WORKDIR ${MYWORKDIR} `, true) if err != nil { t.Fatal(err) } logDone("build - workdir environment replacement") } func TestBuildEnvironmentReplacementAddCopy(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) ctx, err := fakeContext(` FROM scratch ENV baz foo ENV quux bar ENV dot . ADD ${baz} ${dot} COPY ${quux} ${dot} `, map[string]string{ "foo": "test1", "bar": "test2", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add/copy environment replacement") } func TestBuildEnvironmentReplacementEnv(t *testing.T) { name := "testbuildenvironmentreplacement" defer deleteImages(name) _, err := buildImage(name, ` FROM scratch ENV foo foo ENV bar ${foo} `, true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Env") if err != nil { t.Fatal(err) } envResult := []string{} if err = unmarshalJSON([]byte(res), &envResult); err != nil { t.Fatal(err) } found := false for _, env := range envResult { parts := strings.SplitN(env, "=", 2) if parts[0] == "bar" { found = true if parts[1] != "foo" { t.Fatalf("Could not find replaced var for env `bar`: got %q instead of `foo`", parts[1]) } } } if !found { t.Fatal("Never found the `bar` env variable") } logDone("build - env environment replacement") } func TestBuildHandleEscapes(t *testing.T) { name := "testbuildhandleescapes" defer deleteImages(name) _, err := buildImage(name, ` FROM scratch ENV FOO bar VOLUME ${FOO} `, true) if err != nil { t.Fatal(err) } var result map[string]map[string]struct{} res, err := inspectFieldJSON(name, "Config.Volumes") if err != nil { t.Fatal(err) } if err = unmarshalJSON([]byte(res), &result); err != nil { t.Fatal(err) } if _, ok := result["bar"]; !ok { t.Fatal("Could not find volume bar set from env foo in volumes table") } deleteImages(name) _, err = buildImage(name, ` FROM scratch ENV FOO bar VOLUME \${FOO} `, true) if err != nil { t.Fatal(err) } res, err = inspectFieldJSON(name, "Config.Volumes") if err != nil { t.Fatal(err) } if err = unmarshalJSON([]byte(res), &result); err != nil { t.Fatal(err) } if _, ok := result["${FOO}"]; !ok { t.Fatal("Could not find volume ${FOO} set from env foo in volumes table") } deleteImages(name) // this test in particular provides *7* backslashes and expects 6 to come back. // Like above, the first escape is swallowed and the rest are treated as // literals, this one is just less obvious because of all the character noise. _, err = buildImage(name, ` FROM scratch ENV FOO bar VOLUME \\\\\\\${FOO} `, true) if err != nil { t.Fatal(err) } res, err = inspectFieldJSON(name, "Config.Volumes") if err != nil { t.Fatal(err) } if err = unmarshalJSON([]byte(res), &result); err != nil { t.Fatal(err) } if _, ok := result[`\\\\\\${FOO}`]; !ok { t.Fatal(`Could not find volume \\\\\\${FOO} set from env foo in volumes table`) } logDone("build - handle escapes") } func TestBuildOnBuildLowercase(t *testing.T) { name := "testbuildonbuildlowercase" name2 := "testbuildonbuildlowercase2" defer deleteImages(name, name2) _, err := buildImage(name, ` FROM busybox onbuild run echo quux `, true) if err != nil { t.Fatal(err) } _, out, err := buildImageWithOut(name2, fmt.Sprintf(` FROM %s `, name), true) if err != nil { t.Fatal(err) } if !strings.Contains(out, "quux") { t.Fatalf("Did not receive the expected echo text, got %s", out) } if strings.Contains(out, "ONBUILD ONBUILD") { t.Fatalf("Got an ONBUILD ONBUILD error with no error: got %s", out) } logDone("build - handle case-insensitive onbuild statement") } func TestBuildEnvEscapes(t *testing.T) { name := "testbuildenvescapes" defer deleteImages(name) defer deleteAllContainers() _, err := buildImage(name, ` FROM busybox ENV TEST foo CMD echo \$ `, true) out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-t", name)) if err != nil { t.Fatal(err) } if strings.TrimSpace(out) != "$" { t.Fatalf("Env TEST was not overwritten with bar when foo was supplied to dockerfile: was %q", strings.TrimSpace(out)) } logDone("build - env should handle \\$ properly") } func TestBuildEnvOverwrite(t *testing.T) { name := "testbuildenvoverwrite" defer deleteImages(name) defer deleteAllContainers() _, err := buildImage(name, ` FROM busybox ENV TEST foo CMD echo ${TEST} `, true) if err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-e", "TEST=bar", "-t", name)) if err != nil { t.Fatal(err) } if strings.TrimSpace(out) != "bar" { t.Fatalf("Env TEST was not overwritten with bar when foo was supplied to dockerfile: was %q", strings.TrimSpace(out)) } logDone("build - env should overwrite builder ENV during run") } func TestBuildOnBuildForbiddenMaintainerInSourceImage(t *testing.T) { name := "testbuildonbuildforbiddenmaintainerinsourceimage" defer deleteImages("onbuild") defer deleteImages(name) defer deleteAllContainers() createCmd := exec.Command(dockerBinary, "create", "busybox", "true") out, _, _, err := runCommandWithStdoutStderr(createCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) commitCmd := exec.Command(dockerBinary, "commit", "--run", "{\"OnBuild\":[\"MAINTAINER docker.io\"]}", cleanedContainerID, "onbuild") if _, err := runCommand(commitCmd); err != nil { t.Fatal(err) } _, err = buildImage(name, `FROM onbuild`, 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 and ONBUILD in source image", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden maintainer in source image") } func TestBuildOnBuildForbiddenFromInSourceImage(t *testing.T) { name := "testbuildonbuildforbiddenfrominsourceimage" defer deleteImages("onbuild") defer deleteImages(name) defer deleteAllContainers() createCmd := exec.Command(dockerBinary, "create", "busybox", "true") out, _, _, err := runCommandWithStdoutStderr(createCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) commitCmd := exec.Command(dockerBinary, "commit", "--run", "{\"OnBuild\":[\"FROM busybox\"]}", cleanedContainerID, "onbuild") if _, err := runCommand(commitCmd); err != nil { t.Fatal(err) } _, err = buildImage(name, `FROM onbuild`, 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 and ONBUILD in source image", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden from in source image") } func TestBuildOnBuildForbiddenChainedInSourceImage(t *testing.T) { name := "testbuildonbuildforbiddenchainedinsourceimage" defer deleteImages("onbuild") defer deleteImages(name) defer deleteAllContainers() createCmd := exec.Command(dockerBinary, "create", "busybox", "true") out, _, _, err := runCommandWithStdoutStderr(createCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) commitCmd := exec.Command(dockerBinary, "commit", "--run", "{\"OnBuild\":[\"ONBUILD RUN ls\"]}", cleanedContainerID, "onbuild") if _, err := runCommand(commitCmd); err != nil { t.Fatal(err) } _, err = buildImage(name, `FROM onbuild`, 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 in source image", err) } } else { t.Fatal("Error must not be nil") } logDone("build - onbuild forbidden chained in source image") } func TestBuildOnBuildCmdEntrypointJSON(t *testing.T) { name1 := "onbuildcmd" name2 := "onbuildgenerated" defer deleteImages(name2) defer deleteImages(name1) defer deleteAllContainers() _, err := buildImage(name1, ` FROM busybox ONBUILD CMD ["hello world"] ONBUILD ENTRYPOINT ["echo"] ONBUILD RUN ["true"]`, false) if err != nil { t.Fatal(err) } _, err = buildImage(name2, fmt.Sprintf(`FROM %s`, name1), false) if err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-t", name2)) if err != nil { t.Fatal(err) } if !regexp.MustCompile(`(?m)^hello world`).MatchString(out) { t.Fatal("did not get echo output from onbuild", out) } logDone("build - onbuild with json entrypoint/cmd") } func TestBuildOnBuildEntrypointJSON(t *testing.T) { name1 := "onbuildcmd" name2 := "onbuildgenerated" defer deleteImages(name2) defer deleteImages(name1) defer deleteAllContainers() _, err := buildImage(name1, ` FROM busybox ONBUILD ENTRYPOINT ["echo"]`, false) if err != nil { t.Fatal(err) } _, err = buildImage(name2, fmt.Sprintf("FROM %s\nCMD [\"hello world\"]\n", name1), false) if err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-t", name2)) if err != nil { t.Fatal(err) } if !regexp.MustCompile(`(?m)^hello world`).MatchString(out) { t.Fatal("got malformed output from onbuild", out) } logDone("build - onbuild with json entrypoint") } 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) } if err != nil { t.Fatal(err) } deleteImages(name) _, 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) { name := "foobuildsixtysteps" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\n"+strings.Repeat("ADD foo /\n", 60), map[string]string{ "foo": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - build an image with sixty build steps") } func TestBuildAddSingleFileToRoot(t *testing.T) { name := "testaddimg" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio /exists ADD test_file / RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_file | awk '{print $1}') = '-rw-r--r--' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add single file to root") } // Issue #3960: "ADD src ." hangs func TestBuildAddSingleFileToWorkdir(t *testing.T) { name := "testaddsinglefiletoworkdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox ADD test_file .`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() done := make(chan struct{}) go func() { if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } close(done) }() select { case <-time.After(5 * time.Second): t.Fatal("Build with adding to workdir timed out") case <-done: } logDone("build - add single file to workdir") } func TestBuildAddSingleFileToExistDir(t *testing.T) { name := "testaddsinglefiletoexistdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir /exists RUN touch /exists/exists_file RUN chown -R dockerio.dockerio /exists ADD test_file /exists/ RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add single file to existing dir") } func TestBuildCopyAddMultipleFiles(t *testing.T) { name := "testcopymultiplefilestofile" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir /exists RUN touch /exists/exists_file RUN chown -R dockerio.dockerio /exists COPY test_file1 test_file2 /exists/ ADD test_file3 test_file4 https://dockerproject.com/robots.txt /exists/ RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/test_file1 | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/test_file2 | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/test_file3 | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/test_file4 | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/robots.txt | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ] `, map[string]string{ "test_file1": "test1", "test_file2": "test2", "test_file3": "test3", "test_file4": "test4", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - mulitple file copy/add tests") } func TestBuildAddMultipleFilesToFile(t *testing.T) { name := "testaddmultiplefilestofile" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch ADD file1.txt file2.txt test `, map[string]string{ "file1.txt": "test1", "file2.txt": "test1", }) defer ctx.Close() if err != nil { t.Fatal(err) } expected := "When using ADD with more than one source file, the destination must be a directory and end with a /" 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 - multiple add files to file") } func TestBuildAddMultipleFilesToFileWild(t *testing.T) { name := "testaddmultiplefilestofilewild" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch ADD file*.txt test `, map[string]string{ "file1.txt": "test1", "file2.txt": "test1", }) defer ctx.Close() if err != nil { t.Fatal(err) } expected := "When using ADD with more than one source file, the destination must be a directory and end with a /" 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 - multiple add files to file wild") } func TestBuildCopyMultipleFilesToFile(t *testing.T) { name := "testcopymultiplefilestofile" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch COPY file1.txt file2.txt test `, map[string]string{ "file1.txt": "test1", "file2.txt": "test1", }) defer ctx.Close() if err != nil { t.Fatal(err) } expected := "When using COPY with more than one source file, the destination must be a directory and end with a /" 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 - multiple copy files to file") } func TestBuildCopyWildcard(t *testing.T) { name := "testcopywildcard" defer deleteImages(name) server, err := fakeStorage(map[string]string{ "robots.txt": "hello", "index.html": "world", }) if err != nil { t.Fatal(err) } defer server.Close() ctx, err := fakeContext(fmt.Sprintf(`FROM busybox COPY file*.txt /tmp/ RUN ls /tmp/file1.txt /tmp/file2.txt RUN mkdir /tmp1 COPY dir* /tmp1/ RUN ls /tmp1/dirt /tmp1/nested_file /tmp1/nested_dir/nest_nest_file RUN mkdir /tmp2 ADD dir/*dir %s/robots.txt /tmp2/ RUN ls /tmp2/nest_nest_file /tmp2/robots.txt `, server.URL), map[string]string{ "file1.txt": "test1", "file2.txt": "test2", "dir/nested_file": "nested file", "dir/nested_dir/nest_nest_file": "2 times nested", "dirt": "dirty", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } // Now make sure we use a cache the 2nd time id2, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("didn't use the cache") } logDone("build - copy wild card") } func TestBuildCopyWildcardNoFind(t *testing.T) { name := "testcopywildcardnofind" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox COPY file*.txt /tmp/ `, nil) defer ctx.Close() if err != nil { t.Fatal(err) } _, err = buildImageFromContext(name, ctx, true) if err == nil { t.Fatal("should have failed to find a file") } if !strings.Contains(err.Error(), "No source files were specified") { t.Fatalf("Wrong error %v, must be about no source files", err) } logDone("build - copy wild card no find") } func TestBuildCopyWildcardCache(t *testing.T) { name := "testcopywildcardcache" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox COPY file1.txt /tmp/`, map[string]string{ "file1.txt": "test1", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } // Now make sure we use a cache the 2nd time even with wild cards. // Use the same context so the file is the same and the checksum will match ctx.Add("Dockerfile", `FROM busybox COPY file*.txt /tmp/`) id2, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("didn't use the cache") } logDone("build - copy wild card cache") } func TestBuildAddSingleFileToNonExistingDir(t *testing.T) { name := "testaddsinglefiletononexistingdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio /exists ADD test_file /test_dir/ RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add single file to non-existing dir") } func TestBuildAddDirContentToRoot(t *testing.T) { name := "testadddircontenttoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio exists ADD test_dir / RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add directory contents to root") } func TestBuildAddDirContentToExistingDir(t *testing.T) { name := "testadddircontenttoexistingdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir /exists RUN touch /exists/exists_file RUN chown -R dockerio.dockerio /exists ADD test_dir/ /exists/ RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add directory contents to existing dir") } func TestBuildAddWholeDirToRoot(t *testing.T) { name := "testaddwholedirtoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio exists ADD test_dir /test_dir RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l / | grep test_dir | awk '{print $1}') = 'drwxr-xr-x' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $1}') = '-rw-r--r--' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add whole directory to root") } // Testing #5941 func TestBuildAddEtcToRoot(t *testing.T) { name := "testaddetctoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch ADD . /`, map[string]string{ "etc/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add etc directory to root") } // Testing #9401 func TestBuildAddPreservesFilesSpecialBits(t *testing.T) { name := "testaddpreservesfilesspecialbits" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox ADD suidbin /usr/bin/suidbin RUN chmod 4755 /usr/bin/suidbin RUN [ $(ls -l /usr/bin/suidbin | awk '{print $1}') = '-rwsr-xr-x' ] ADD ./data/ / RUN [ $(ls -l /usr/bin/suidbin | awk '{print $1}') = '-rwsr-xr-x' ]`, map[string]string{ "suidbin": "suidbin", "/data/usr/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - add preserves files special bits") } func TestBuildCopySingleFileToRoot(t *testing.T) { name := "testcopysinglefiletoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio /exists COPY test_file / RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_file | awk '{print $1}') = '-rw-r--r--' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy single file to root") } // Issue #3960: "ADD src ." hangs - adapted for COPY func TestBuildCopySingleFileToWorkdir(t *testing.T) { name := "testcopysinglefiletoworkdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox COPY test_file .`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() done := make(chan struct{}) go func() { if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } close(done) }() select { case <-time.After(5 * time.Second): t.Fatal("Build with adding to workdir timed out") case <-done: } logDone("build - copy single file to workdir") } func TestBuildCopySingleFileToExistDir(t *testing.T) { name := "testcopysinglefiletoexistdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir /exists RUN touch /exists/exists_file RUN chown -R dockerio.dockerio /exists COPY test_file /exists/ RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy single file to existing dir") } func TestBuildCopySingleFileToNonExistDir(t *testing.T) { name := "testcopysinglefiletononexistdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio /exists COPY test_file /test_dir/ RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy single file to non-existing dir") } func TestBuildCopyDirContentToRoot(t *testing.T) { name := "testcopydircontenttoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio exists COPY test_dir / RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy directory contents to root") } func TestBuildCopyDirContentToExistDir(t *testing.T) { name := "testcopydircontenttoexistdir" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir /exists RUN touch /exists/exists_file RUN chown -R dockerio.dockerio /exists COPY test_dir/ /exists/ RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ] RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy directory contents to existing dir") } func TestBuildCopyWholeDirToRoot(t *testing.T) { name := "testcopywholedirtoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN touch /exists RUN chown dockerio.dockerio exists COPY test_dir /test_dir RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l / | grep test_dir | awk '{print $1}') = 'drwxr-xr-x' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ] RUN [ $(ls -l /test_dir/test_file | awk '{print $1}') = '-rw-r--r--' ] RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, map[string]string{ "test_dir/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy whole directory to root") } func TestBuildCopyEtcToRoot(t *testing.T) { name := "testcopyetctoroot" defer deleteImages(name) ctx, err := fakeContext(`FROM scratch COPY . /`, map[string]string{ "etc/test_file": "test1", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - copy etc directory to root") } func TestBuildCopyDisallowRemote(t *testing.T) { name := "testcopydisallowremote" defer deleteImages(name) _, out, err := buildImageWithOut(name, `FROM scratch COPY https://index.docker.io/robots.txt /`, true) if err == nil || !strings.Contains(out, "Source can't be a URL for COPY") { t.Fatalf("Error should be about disallowed remote source, got err: %s, out: %q", err, out) } logDone("build - copy - disallow copy from remote") } func TestBuildAddBadLinks(t *testing.T) { const ( dockerfile = ` FROM scratch ADD links.tar / ADD foo.txt /symlink/ ` targetFile = "foo.txt" ) var ( name = "test-link-absolute" ) defer deleteImages(name) ctx, err := fakeContext(dockerfile, nil) if err != nil { t.Fatal(err) } defer ctx.Close() tempDir, err := ioutil.TempDir("", "test-link-absolute-temp-") if err != nil { t.Fatalf("failed to create temporary directory: %s", tempDir) } defer os.RemoveAll(tempDir) symlinkTarget := fmt.Sprintf("/../../../../../../../../../../../..%s", tempDir) tarPath := filepath.Join(ctx.Dir, "links.tar") nonExistingFile := filepath.Join(tempDir, targetFile) fooPath := filepath.Join(ctx.Dir, targetFile) tarOut, err := os.Create(tarPath) if err != nil { t.Fatal(err) } tarWriter := tar.NewWriter(tarOut) header := &tar.Header{ Name: "symlink", Typeflag: tar.TypeSymlink, Linkname: symlinkTarget, Mode: 0755, Uid: 0, Gid: 0, } err = tarWriter.WriteHeader(header) if err != nil { t.Fatal(err) } tarWriter.Close() tarOut.Close() foo, err := os.Create(fooPath) if err != nil { t.Fatal(err) } defer foo.Close() if _, err := foo.WriteString("test"); err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } if _, err := os.Stat(nonExistingFile); err == nil || err != nil && !os.IsNotExist(err) { t.Fatalf("%s shouldn't have been written and it shouldn't exist", nonExistingFile) } logDone("build - ADD must add files in container") } func TestBuildAddBadLinksVolume(t *testing.T) { const ( dockerfileTemplate = ` FROM busybox RUN ln -s /../../../../../../../../%s /x VOLUME /x ADD foo.txt /x/` targetFile = "foo.txt" ) var ( name = "test-link-absolute-volume" dockerfile = "" ) defer deleteImages(name) tempDir, err := ioutil.TempDir("", "test-link-absolute-volume-temp-") if err != nil { t.Fatalf("failed to create temporary directory: %s", tempDir) } defer os.RemoveAll(tempDir) dockerfile = fmt.Sprintf(dockerfileTemplate, tempDir) nonExistingFile := filepath.Join(tempDir, targetFile) ctx, err := fakeContext(dockerfile, nil) if err != nil { t.Fatal(err) } defer ctx.Close() fooPath := filepath.Join(ctx.Dir, targetFile) foo, err := os.Create(fooPath) if err != nil { t.Fatal(err) } defer foo.Close() if _, err := foo.WriteString("test"); err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } if _, err := os.Stat(nonExistingFile); err == nil || err != nil && !os.IsNotExist(err) { t.Fatalf("%s shouldn't have been written and it shouldn't exist", nonExistingFile) } logDone("build - ADD should add files in volume") } // 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) { { name := "testbuildinaccessiblefiles" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nADD . /foo/", map[string]string{"fileWithoutReadAccess": "foo"}) if err != nil { t.Fatal(err) } defer ctx.Close() // This is used to ensure we detect inaccessible files early during build in the cli client pathToFileWithoutReadAccess := filepath.Join(ctx.Dir, "fileWithoutReadAccess") if err = os.Chown(pathToFileWithoutReadAccess, 0, 0); err != nil { t.Fatalf("failed to chown file to root: %s", err) } if err = os.Chmod(pathToFileWithoutReadAccess, 0700); err != nil { t.Fatalf("failed to chmod file to 700: %s", err) } buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name)) buildCmd.Dir = ctx.Dir out, _, err := runCommandWithOutput(buildCmd) if err == nil { 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") } } { name := "testbuildinaccessibledirectory" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nADD . /foo/", map[string]string{"directoryWeCantStat/bar": "foo"}) if err != nil { t.Fatal(err) } defer ctx.Close() // This is used to ensure we detect inaccessible directories early during build in the cli client pathToDirectoryWithoutReadAccess := filepath.Join(ctx.Dir, "directoryWeCantStat") pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar") if err = os.Chown(pathToDirectoryWithoutReadAccess, 0, 0); err != nil { t.Fatalf("failed to chown directory to root: %s", err) } if err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444); err != nil { t.Fatalf("failed to chmod directory to 755: %s", err) } if err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700); err != nil { t.Fatalf("failed to chmod file to 444: %s", err) } buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name)) buildCmd.Dir = ctx.Dir out, _, err := runCommandWithOutput(buildCmd) if err == nil { 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") } } { name := "testlinksok" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nADD . /foo/", nil) if err != nil { t.Fatal(err) } defer ctx.Close() target := "../../../../../../../../../../../../../../../../../../../azA" if err := os.Symlink(filepath.Join(ctx.Dir, "g"), target); err != nil { t.Fatal(err) } defer os.Remove(target) // 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 if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } } { name := "testbuildignoredinaccessible" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nADD . /foo/", map[string]string{ "directoryWeCantStat/bar": "foo", ".dockerignore": "directoryWeCantStat", }) if err != nil { t.Fatal(err) } defer ctx.Close() // This is used to ensure we don't try to add inaccessible files when they are ignored by a .dockerignore pattern pathToDirectoryWithoutReadAccess := filepath.Join(ctx.Dir, "directoryWeCantStat") pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar") if err = os.Chown(pathToDirectoryWithoutReadAccess, 0, 0); err != nil { t.Fatalf("failed to chown directory to root: %s", err) } if err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444); err != nil { t.Fatalf("failed to chmod directory to 755: %s", err) } if err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700); err != nil { t.Fatalf("failed to chmod file to 444: %s", err) } buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name)) buildCmd.Dir = ctx.Dir if out, _, err := runCommandWithOutput(buildCmd); err != nil { t.Fatalf("build should have worked: %s %s", err, out) } } 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) } name := "testbuildforcerm" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nRUN true\nRUN thiswillfail", nil) if err != nil { t.Fatal(err) } defer ctx.Close() buildCmd := exec.Command(dockerBinary, "build", "-t", name, "--force-rm", ".") buildCmd.Dir = ctx.Dir if out, _, err := runCommandWithOutput(buildCmd); err == nil { t.Fatalf("failed to build the image: %s, %v", out, err) } 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) { name := "testbuildrm" defer deleteImages(name) ctx, err := fakeContext("FROM scratch\nADD foo /\nADD foo /", map[string]string{"foo": "bar"}) if err != nil { t.Fatal(err) } defer ctx.Close() { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } out, _, err := dockerCmdInDir(t, ctx.Dir, "build", "--rm", "-t", name, ".") if err != nil { t.Fatal("failed to build the image", out) } 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(name) } { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } out, _, err := dockerCmdInDir(t, ctx.Dir, "build", "-t", name, ".") if err != nil { t.Fatal("failed to build the image", out) } 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(name) } { containerCountBefore, err := getContainerCount() if err != nil { t.Fatalf("failed to get the container count: %s", err) } out, _, err := dockerCmdInDir(t, ctx.Dir, "build", "--rm=false", "-t", name, ".") if err != nil { t.Fatal("failed to build the image", out) } 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(name) } 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, "/test3": emptyMap, "/test4": emptyMap, "/test5": emptyMap, "/test6": emptyMap, "[/test7": emptyMap, "/test8]": emptyMap, } ) defer deleteImages(name) _, err := buildImage(name, `FROM scratch VOLUME /test1 VOLUME /test2 VOLUME /test3 /test4 VOLUME ["/test5", "/test6"] VOLUME [/test7 /test8] `, 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 := reflect.DeepEqual(&result, &expected) 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 [ "$PWD" = '/test2/test3' ]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.WorkingDir") if err != nil { t.Fatal(err) } if res != expected { t.Fatalf("Workdir %s, expected %s", res, expected) } logDone("build - relative workdir") } func TestBuildWorkdirWithEnvVariables(t *testing.T) { name := "testbuildworkdirwithenvvariables" expected := "/test1/test2/$MISSING_VAR" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ENV DIRPATH /test1 ENV SUBDIRNAME test2 WORKDIR $DIRPATH WORKDIR $SUBDIRNAME/$MISSING_VAR`, 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 - workdir with env variables") } func TestBuildRelativeCopy(t *testing.T) { name := "testbuildrelativecopy" defer deleteImages(name) dockerfile := ` FROM busybox WORKDIR /test1 WORKDIR test2 RUN [ "$PWD" = '/test1/test2' ] COPY foo ./ RUN [ "$(cat /test1/test2/foo)" = 'hello' ] ADD foo ./bar/baz RUN [ "$(cat /test1/test2/bar/baz)" = 'hello' ] COPY foo ./bar/baz2 RUN [ "$(cat /test1/test2/bar/baz2)" = 'hello' ] WORKDIR .. COPY foo ./ RUN [ "$(cat /test1/foo)" = 'hello' ] COPY foo /test3/ RUN [ "$(cat /test3/foo)" = 'hello' ] WORKDIR /test4 COPY . . RUN [ "$(cat /test4/foo)" = 'hello' ] WORKDIR /test5/test6 COPY foo ../ RUN [ "$(cat /test5/foo)" = 'hello' ] ` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } _, err = buildImageFromContext(name, ctx, false) if err != nil { t.Fatal(err) } logDone("build - relative copy/add") } 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) defer deleteAllContainers() 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 TestBuildExposeMorePorts(t *testing.T) { // start building docker file with a large number of ports portList := make([]string, 50) line := make([]string, 100) expectedPorts := make([]int, len(portList)*len(line)) for i := 0; i < len(portList); i++ { for j := 0; j < len(line); j++ { p := i*len(line) + j + 1 line[j] = strconv.Itoa(p) expectedPorts[p-1] = p } if i == len(portList)-1 { portList[i] = strings.Join(line, " ") } else { portList[i] = strings.Join(line, " ") + ` \` } } dockerfile := `FROM scratch EXPOSE {{range .}} {{.}} {{end}}` tmpl := template.Must(template.New("dockerfile").Parse(dockerfile)) buf := bytes.NewBuffer(nil) tmpl.Execute(buf, portList) name := "testbuildexpose" defer deleteImages(name) _, err := buildImage(name, buf.String(), true) if err != nil { t.Fatal(err) } // check if all the ports are saved inside Config.ExposedPorts res, err := inspectFieldJSON(name, "Config.ExposedPorts") if err != nil { t.Fatal(err) } var exposedPorts map[string]interface{} if err := json.Unmarshal([]byte(res), &exposedPorts); err != nil { t.Fatal(err) } for _, p := range expectedPorts { ep := fmt.Sprintf("%d/tcp", p) if _, ok := exposedPorts[ep]; !ok { t.Errorf("Port(%s) is not exposed", ep) } else { delete(exposedPorts, ep) } } if len(exposedPorts) != 0 { t.Errorf("Unexpected extra exposed ports %v", exposedPorts) } logDone("build - expose large number of ports") } func TestBuildExposeOrder(t *testing.T) { buildID := func(name, exposed string) string { _, err := buildImage(name, fmt.Sprintf(`FROM scratch EXPOSE %s`, exposed), true) if err != nil { t.Fatal(err) } id, err := inspectField(name, "Id") if err != nil { t.Fatal(err) } return id } id1 := buildID("testbuildexpose1", "80 2375") id2 := buildID("testbuildexpose2", "2375 80") defer deleteImages("testbuildexpose1", "testbuildexpose2") if id1 != id2 { t.Errorf("EXPOSE should invalidate the cache only when ports actually changed") } logDone("build - expose order") } func TestBuildEmptyEntrypointInheritance(t *testing.T) { name := "testbuildentrypointinheritance" name2 := "testbuildentrypointinheritance2" defer deleteImages(name, name2) _, err := buildImage(name, `FROM busybox ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } res, err := inspectField(name, "Config.Entrypoint") if err != nil { t.Fatal(err) } expected := "[/bin/echo]" if res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } _, err = buildImage(name2, fmt.Sprintf(`FROM %s ENTRYPOINT []`, name), true) if err != nil { t.Fatal(err) } res, err = inspectField(name2, "Config.Entrypoint") if err != nil { t.Fatal(err) } expected = "[]" if res != expected { t.Fatalf("Entrypoint %s, expected %s", res, expected) } logDone("build - empty entrypoint inheritance") } 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) } defer ctx.Close() out1, _, err := dockerCmdInDir(t, ctx.Dir, "build", "-t", name1, ".") if err != nil { t.Fatalf("build failed to complete: %s, %v", out1, err) } defer deleteImages(name1) } { name2 := "testonbuildtrigger2" dockerfile2 := ` FROM testonbuildtrigger1 ` ctx, err := fakeContext(dockerfile2, nil) if err != nil { t.Fatal(err) } defer ctx.Close() out2, _, err = dockerCmdInDir(t, ctx.Dir, "build", "-t", name2, ".") if err != nil { t.Fatalf("build failed to complete: %s, %v", out2, err) } defer deleteImages(name2) } { name3 := "testonbuildtrigger3" dockerfile3 := ` FROM testonbuildtrigger2 ` ctx, err := fakeContext(dockerfile3, nil) if err != nil { t.Fatal(err) } defer ctx.Close() out3, _, err = dockerCmdInDir(t, ctx.Dir, "build", "-t", name3, ".") if err != nil { t.Fatalf("build failed to complete: %s, %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" name2 := "testbuildwithoutcache2" defer deleteImages(name, name2) id1, err := buildImage(name, `FROM scratch MAINTAINER dockerio EXPOSE 5432 ENTRYPOINT ["/bin/echo"]`, true) if err != nil { t.Fatal(err) } id2, err := buildImage(name2, `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" name2 := "testbuildaddlocalfilewithcache2" defer deleteImages(name, name2) 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(name2, 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 TestBuildADDMultipleLocalFileWithCache(t *testing.T) { name := "testbuildaddmultiplelocalfilewithcache" name2 := "testbuildaddmultiplelocalfilewithcache2" defer deleteImages(name, name2) dockerfile := ` FROM busybox MAINTAINER dockerio ADD foo Dockerfile /usr/lib/bla/ RUN [ "$(cat /usr/lib/bla/foo)" = "hello" ]` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "hello", }) defer ctx.Close() if err != nil { t.Fatal(err) } id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name2, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but hasn't.") } logDone("build - add multiple local files with cache") } func TestBuildADDLocalFileWithoutCache(t *testing.T) { name := "testbuildaddlocalfilewithoutcache" name2 := "testbuildaddlocalfilewithoutcache2" defer deleteImages(name, name2) dockerfile := ` FROM busybox MAINTAINER dockerio ADD foo /usr/lib/bla/bar RUN [ "$(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(name2, 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 TestBuildCopyDirButNotFile(t *testing.T) { name := "testbuildcopydirbutnotfile" name2 := "testbuildcopydirbutnotfile2" defer deleteImages(name, name2) dockerfile := ` FROM scratch COPY dir /tmp/` ctx, err := fakeContext(dockerfile, map[string]string{ "dir/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 with similar name doesn't mess with cache if err := ctx.Add("dir_file", "hello2"); err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name2, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but wasn't") } logDone("build - add current directory but not file") } func TestBuildADDCurrentDirWithCache(t *testing.T) { name := "testbuildaddcurrentdirwithcache" name2 := name + "2" name3 := name + "3" name4 := name + "4" name5 := name + "5" defer deleteImages(name, name2, name3, name4, name5) 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(name2, 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(name3, 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(name4, 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(name5, 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" name2 := "testbuildaddcurrentdirwithoutcache2" defer deleteImages(name, name2) 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(name2, 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" name2 := "testbuildaddremotefilewithoutcache2" defer deleteImages(name, name2) 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(name2, 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 TestBuildADDRemoteFileMTime(t *testing.T) { name := "testbuildaddremotefilemtime" name2 := name + "2" name3 := name + "3" name4 := name + "4" defer deleteImages(name, name2, name3, name4) 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 %s/baz /usr/lib/baz/quux`, server.URL), nil) if err != nil { t.Fatal(err) } defer ctx.Close() id1, err := buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } id2, err := buildImageFromContext(name2, ctx, true) if err != nil { t.Fatal(err) } if id1 != id2 { t.Fatal("The cache should have been used but wasn't - #1") } // Now set baz's times to anything else and redo the build // This time the cache should not be used bazPath := path.Join(server.FakeContext.Dir, "baz") err = syscall.UtimesNano(bazPath, make([]syscall.Timespec, 2)) if err != nil { t.Fatalf("Error setting mtime on %q: %v", bazPath, err) } id3, err := buildImageFromContext(name3, ctx, true) if err != nil { t.Fatal(err) } if id1 == id3 { t.Fatal("The cache should not have been used but was") } // And for good measure do it again and make sure cache is used this time id4, err := buildImageFromContext(name4, ctx, true) if err != nil { t.Fatal(err) } if id3 != id4 { t.Fatal("The cache should have been used but wasn't - #2") } logDone("build - add remote file testing mtime") } 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) { ctx, err := fakeContext( `FROM busybox ADD foo /foo CMD ["cat", "/foo"]`, map[string]string{ "foo": "bar", }, ) defer ctx.Close() if err != nil { t.Fatal(err) } context, err := archive.Tar(ctx.Dir, compression) if err != nil { t.Fatalf("failed to build context tar: %v", err) } name := "contexttar" buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-") defer deleteImages(name) buildCmd.Stdin = context if out, _, err := runCommandWithOutput(buildCmd); err != nil { t.Fatalf("build failed to complete: %v %v", out, err) } logDone(fmt.Sprintf("build - build an image with a context tar, compression: %v", compression)) } func TestBuildContextTarGzip(t *testing.T) { testContextTar(t, archive.Gzip) } func TestBuildContextTarNoCompression(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") if out, _, err := runCommandWithOutput(buildCmd); err != nil { t.Fatalf("build failed to complete: %v %v", out, err) } if out, _, err := dockerCmd(t, "run", "--rm", "nocontext"); out != "ok\n" || err != nil { 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" name2 := "testbuildaddlocalandremotefilewithoutcache2" defer deleteImages(name, name2) 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(name2, 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(out, 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) defer deleteAllContainers() _, 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.Fatalf("Parsed string did not match the escaped string. Got: %q", res) } logDone("build - validate escaping whitespace") } func TestBuildVerifyIntString(t *testing.T) { // Verify that strings that look like ints are still passed as strings name := "testbuildstringing" defer deleteImages(name) _, err := buildImage(name, ` FROM busybox MAINTAINER 123 `, true) out, rc, err := runCommandWithOutput(exec.Command(dockerBinary, "inspect", name)) if rc != 0 || err != nil { t.Fatalf("Unexcepted error from inspect: rc: %v err: %v", rc, err) } if !strings.Contains(out, "\"123\"") { t.Fatalf("Output does not contain the int as a string:\n%s", out) } logDone("build - verify int/strings as strings") } func TestBuildDockerignore(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 TestBuildDockerignoreCleanPaths(t *testing.T) { name := "testbuilddockerignorecleanpaths" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /tmp/ RUN (! ls /tmp/foo) && (! ls /tmp/foo2) && (! ls /tmp/dir1/foo)` ctx, err := fakeContext(dockerfile, map[string]string{ "foo": "foo", "foo2": "foo2", "dir1/foo": "foo in dir1", ".dockerignore": "./foo\ndir1//foo\n./dir1/../foo2", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - test .dockerignore with clean paths") } func TestBuildDockerignoringDockerfile(t *testing.T) { name := "testbuilddockerignoredockerfile" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /tmp/ RUN ! ls /tmp/Dockerfile RUN ls /tmp/.dockerignore` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": dockerfile, ".dockerignore": "Dockerfile\n", }) if err != nil { t.Fatal(err) } if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't ignore Dockerfile correctly:%s", err) } // now try it with ./Dockerfile ctx.Add(".dockerignore", "./Dockerfile\n") if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't ignore ./Dockerfile correctly:%s", err) } logDone("build - test .dockerignore of Dockerfile") } func TestBuildDockerignoringRenamedDockerfile(t *testing.T) { name := "testbuilddockerignoredockerfile" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /tmp/ RUN ls /tmp/Dockerfile RUN ! ls /tmp/MyDockerfile RUN ls /tmp/.dockerignore` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": "Should not use me", "MyDockerfile": dockerfile, ".dockerignore": "MyDockerfile\n", }) if err != nil { t.Fatal(err) } if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't ignore MyDockerfile correctly:%s", err) } // now try it with ./MyDockerfile ctx.Add(".dockerignore", "./MyDockerfile\n") if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't ignore ./MyDockerfile correctly:%s", err) } logDone("build - test .dockerignore of renamed Dockerfile") } func TestBuildDockerignoringDockerignore(t *testing.T) { name := "testbuilddockerignoredockerignore" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /tmp/ RUN ! ls /tmp/.dockerignore RUN ls /tmp/Dockerfile` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": dockerfile, ".dockerignore": ".dockerignore\n", }) defer ctx.Close() if err != nil { t.Fatal(err) } if _, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't ignore .dockerignore correctly:%s", err) } logDone("build - test .dockerignore of .dockerignore") } func TestBuildDockerignoreTouchDockerfile(t *testing.T) { var id1 string var id2 string name := "testbuilddockerignoretouchdockerfile" defer deleteImages(name) dockerfile := ` FROM busybox ADD . /tmp/` ctx, err := fakeContext(dockerfile, map[string]string{ "Dockerfile": dockerfile, ".dockerignore": "Dockerfile\n", }) defer ctx.Close() if err != nil { t.Fatal(err) } if id1, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't build it correctly:%s", err) } if id2, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't build it correctly:%s", err) } if id1 != id2 { t.Fatalf("Didn't use the cache - 1") } // Now make sure touching Dockerfile doesn't invalidate the cache if err = ctx.Add("Dockerfile", dockerfile+"\n# hi"); err != nil { t.Fatalf("Didn't add Dockerfile: %s", err) } if id2, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't build it correctly:%s", err) } if id1 != id2 { t.Fatalf("Didn't use the cache - 2") } // One more time but just 'touch' it instead of changing the content if err = ctx.Add("Dockerfile", dockerfile+"\n# hi"); err != nil { t.Fatalf("Didn't add Dockerfile: %s", err) } if id2, err = buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("Didn't build it correctly:%s", err) } if id1 != id2 { t.Fatalf("Didn't use the cache - 3") } logDone("build - test .dockerignore touch dockerfile") } func TestBuildDockerignoringWholeDir(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 HOME /root 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 $TO)" = "hello" ] ` ctx, err := fakeContext(dockerfile, map[string]string{ "hello/docker/world": "hello", }) if err != nil { t.Fatal(err) } defer ctx.Close() _, err = buildImageFromContext(name, ctx, true) if err != nil { t.Fatal(err) } logDone("build - environment variables usage") } func TestBuildEnvUsage2(t *testing.T) { name := "testbuildenvusage2" defer deleteImages(name) dockerfile := `FROM busybox ENV abc=def RUN [ "$abc" = "def" ] ENV def="hello world" RUN [ "$def" = "hello world" ] ENV def=hello\ world RUN [ "$def" = "hello world" ] ENV v1=abc v2="hi there" RUN [ "$v1" = "abc" ] RUN [ "$v2" = "hi there" ] ENV v3='boogie nights' v4="with'quotes too" RUN [ "$v3" = "boogie nights" ] RUN [ "$v4" = "with'quotes too" ] ENV abc=zzz FROM=hello/docker/world ENV abc=zzz TO=/docker/world/hello ADD $FROM $TO RUN [ "$(cat $TO)" = "hello" ] ENV abc "zzz" RUN [ $abc = \"zzz\" ] ENV abc 'yyy' RUN [ $abc = \'yyy\' ] ENV abc= RUN [ "$abc" = "" ] ` 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 usage2") } 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) } defer ctx.Close() _, 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} }() defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("build failed to complete for TestBuildAddTar: %v", err) } logDone("build - ADD tar") } func TestBuildAddTarXz(t *testing.T) { name := "testbuildaddtarxz" defer deleteImages(name) ctx := func() *FakeContext { dockerfile := ` FROM busybox ADD test.tar.xz / RUN cat /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) } xzCompressCmd := exec.Command("xz", "test.tar") xzCompressCmd.Dir = tmpDir out, _, err := runCommandWithOutput(xzCompressCmd) if err != nil { t.Fatal(err, out) } 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} }() defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("build failed to complete for TestBuildAddTarXz: %v", err) } logDone("build - ADD tar.xz") } func TestBuildAddTarXzGz(t *testing.T) { name := "testbuildaddtarxzgz" defer deleteImages(name) ctx := func() *FakeContext { dockerfile := ` FROM busybox ADD test.tar.xz.gz / RUN ls /test.tar.xz.gz` 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) } xzCompressCmd := exec.Command("xz", "test.tar") xzCompressCmd.Dir = tmpDir out, _, err := runCommandWithOutput(xzCompressCmd) if err != nil { t.Fatal(err, out) } gzipCompressCmd := exec.Command("gzip", "test.tar.xz") gzipCompressCmd.Dir = tmpDir out, _, err = runCommandWithOutput(gzipCompressCmd) if err != nil { t.Fatal(err, out) } 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} }() defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatalf("build failed to complete for TestBuildAddTarXz: %v", err) } logDone("build - ADD tar.xz.gz") } 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") } func TestBuildEmptyCmd(t *testing.T) { name := "testbuildemptycmd" defer deleteImages(name) if _, err := buildImage(name, "FROM scratch\nMAINTAINER quux\n", true); err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Cmd") if err != nil { t.Fatal(err) } if res != "null" { t.Fatalf("Cmd %s, expected %s", res, "null") } logDone("build - empty cmd") } func TestBuildOnBuildOutput(t *testing.T) { name := "testbuildonbuildparent" defer deleteImages(name) if _, err := buildImage(name, "FROM busybox\nONBUILD RUN echo foo\n", true); err != nil { t.Fatal(err) } childname := "testbuildonbuildchild" defer deleteImages(childname) _, out, err := buildImageWithOut(name, "FROM "+name+"\nMAINTAINER quux\n", true) if err != nil { t.Fatal(err) } if !strings.Contains(out, "Trigger 0, RUN echo foo") { t.Fatal("failed to find the ONBUILD output", out) } logDone("build - onbuild output") } func TestBuildInvalidTag(t *testing.T) { name := "abcd:" + makeRandomString(200) defer deleteImages(name) _, out, err := buildImageWithOut(name, "FROM scratch\nMAINTAINER quux\n", true) // if the error doesnt check for illegal tag name, or the image is built // then this should fail if !strings.Contains(out, "Illegal tag name") || strings.Contains(out, "Sending build context to Docker daemon") { t.Fatalf("failed to stop before building. Error: %s, Output: %s", err, out) } logDone("build - invalid tag") } func TestBuildCmdShDashC(t *testing.T) { name := "testbuildcmdshc" defer deleteImages(name) if _, err := buildImage(name, "FROM busybox\nCMD echo cmd\n", true); err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Cmd") if err != nil { t.Fatal(err, res) } expected := `["/bin/sh","-c","echo cmd"]` if res != expected { t.Fatalf("Expected value %s not in Config.Cmd: %s", expected, res) } logDone("build - cmd should have sh -c for non-json") } func TestBuildCmdJSONNoShDashC(t *testing.T) { name := "testbuildcmdjson" defer deleteImages(name) if _, err := buildImage(name, "FROM busybox\nCMD [\"echo\", \"cmd\"]", true); err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "Config.Cmd") if err != nil { t.Fatal(err, res) } expected := `["echo","cmd"]` if res != expected { t.Fatalf("Expected value %s not in Config.Cmd: %s", expected, res) } logDone("build - cmd should not have /bin/sh -c for json") } func TestBuildIgnoreInvalidInstruction(t *testing.T) { name := "testbuildignoreinvalidinstruction" defer deleteImages(name) out, _, err := buildImageWithOut(name, "FROM busybox\nfoo bar", true) if err != nil { t.Fatal(err, out) } logDone("build - ignore invalid Dockerfile instruction") } func TestBuildEntrypointInheritance(t *testing.T) { defer deleteImages("parent", "child") defer deleteAllContainers() if _, err := buildImage("parent", ` FROM busybox ENTRYPOINT exit 130 `, true); err != nil { t.Fatal(err) } status, _ := runCommand(exec.Command(dockerBinary, "run", "parent")) if status != 130 { t.Fatalf("expected exit code 130 but received %d", status) } if _, err := buildImage("child", ` FROM parent ENTRYPOINT exit 5 `, true); err != nil { t.Fatal(err) } status, _ = runCommand(exec.Command(dockerBinary, "run", "child")) if status != 5 { t.Fatalf("expected exit code 5 but received %d", status) } logDone("build - clear entrypoint") } func TestBuildEntrypointInheritanceInspect(t *testing.T) { var ( name = "testbuildepinherit" name2 = "testbuildepinherit2" expected = `["/bin/sh","-c","echo quux"]` ) defer deleteImages(name, name2) defer deleteAllContainers() if _, err := buildImage(name, "FROM busybox\nENTRYPOINT /foo/bar", true); err != nil { t.Fatal(err) } if _, err := buildImage(name2, fmt.Sprintf("FROM %s\nENTRYPOINT echo quux", name), true); err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name2, "Config.Entrypoint") if err != nil { t.Fatal(err, res) } if res != expected { t.Fatalf("Expected value %s not in Config.Entrypoint: %s", expected, res) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-t", name2)) if err != nil { t.Fatal(err, out) } expected = "quux" if strings.TrimSpace(out) != expected { t.Fatalf("Expected output is %s, got %s", expected, out) } logDone("build - entrypoint override inheritance properly") } func TestBuildRunShEntrypoint(t *testing.T) { name := "testbuildentrypoint" defer deleteImages(name) _, err := buildImage(name, `FROM busybox ENTRYPOINT /bin/echo`, true) if err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", name)) if err != nil { t.Fatal(err, out) } logDone("build - entrypoint with /bin/echo running successfully") } func TestBuildExoticShellInterpolation(t *testing.T) { name := "testbuildexoticshellinterpolation" defer deleteImages(name) _, err := buildImage(name, ` FROM busybox ENV SOME_VAR a.b.c RUN [ "$SOME_VAR" = 'a.b.c' ] RUN [ "${SOME_VAR}" = 'a.b.c' ] RUN [ "${SOME_VAR%.*}" = 'a.b' ] RUN [ "${SOME_VAR%%.*}" = 'a' ] RUN [ "${SOME_VAR#*.}" = 'b.c' ] RUN [ "${SOME_VAR##*.}" = 'c' ] RUN [ "${SOME_VAR/c/d}" = 'a.b.d' ] RUN [ "${#SOME_VAR}" = '5' ] RUN [ "${SOME_UNSET_VAR:-$SOME_VAR}" = 'a.b.c' ] RUN [ "${SOME_VAR:+Version: ${SOME_VAR}}" = 'Version: a.b.c' ] RUN [ "${SOME_UNSET_VAR:+${SOME_VAR}}" = '' ] RUN [ "${SOME_UNSET_VAR:-${SOME_VAR:-d.e.f}}" = 'a.b.c' ] `, false) if err != nil { t.Fatal(err) } logDone("build - exotic shell interpolation") } func TestBuildVerifySingleQuoteFails(t *testing.T) { // This testcase is supposed to generate an error because the // JSON array we're passing in on the CMD uses single quotes instead // of double quotes (per the JSON spec). This means we interpret it // as a "string" insead of "JSON array" and pass it on to "sh -c" and // it should barf on it. name := "testbuildsinglequotefails" defer deleteImages(name) defer deleteAllContainers() _, err := buildImage(name, `FROM busybox CMD [ '/bin/sh', '-c', 'echo hi' ]`, true) _, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", name)) if err == nil { t.Fatal("The image was not supposed to be able to run") } logDone("build - verify single quotes fail") } func TestBuildVerboseOut(t *testing.T) { name := "testbuildverboseout" defer deleteImages(name) _, out, err := buildImageWithOut(name, `FROM busybox RUN echo 123`, false) if err != nil { t.Fatal(err) } if !strings.Contains(out, "\n123\n") { t.Fatalf("Output should contain %q: %q", "123", out) } logDone("build - verbose output from commands") } func TestBuildWithTabs(t *testing.T) { name := "testbuildwithtabs" defer deleteImages(name) _, err := buildImage(name, "FROM busybox\nRUN echo\tone\t\ttwo", true) if err != nil { t.Fatal(err) } res, err := inspectFieldJSON(name, "ContainerConfig.Cmd") if err != nil { t.Fatal(err) } expected := `["/bin/sh","-c","echo\tone\t\ttwo"]` if res != expected { t.Fatalf("Missing tabs.\nGot:%s\nExp:%s", res, expected) } logDone("build - with tabs") } func TestBuildStderr(t *testing.T) { // This test just makes sure that no non-error output goes // to stderr name := "testbuildstderr" defer deleteImages(name) _, _, stderr, err := buildImageWithStdoutStderr(name, "FROM busybox\nRUN echo one", true) if err != nil { t.Fatal(err) } if stderr != "" { t.Fatalf("Stderr should have been empty, instead its: %q", stderr) } logDone("build - testing stderr") } func TestBuildChownSingleFile(t *testing.T) { name := "testbuildchownsinglefile" defer deleteImages(name) ctx, err := fakeContext(` FROM busybox COPY test / RUN ls -l /test RUN [ $(ls -l /test | awk '{print $3":"$4}') = 'root:root' ] `, map[string]string{ "test": "test", }) if err != nil { t.Fatal(err) } defer ctx.Close() if err := os.Chown(filepath.Join(ctx.Dir, "test"), 4242, 4242); err != nil { t.Fatal(err) } if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - change permission on single file") } func TestBuildSymlinkBreakout(t *testing.T) { name := "testbuildsymlinkbreakout" tmpdir, err := ioutil.TempDir("", name) if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpdir) ctx := filepath.Join(tmpdir, "context") if err := os.MkdirAll(ctx, 0755); err != nil { t.Fatal(err) } if err := ioutil.WriteFile(filepath.Join(ctx, "Dockerfile"), []byte(` from busybox add symlink.tar / add inject /symlink/ `), 0644); err != nil { t.Fatal(err) } inject := filepath.Join(ctx, "inject") if err := ioutil.WriteFile(inject, nil, 0644); err != nil { t.Fatal(err) } f, err := os.Create(filepath.Join(ctx, "symlink.tar")) if err != nil { t.Fatal(err) } w := tar.NewWriter(f) w.WriteHeader(&tar.Header{ Name: "symlink2", Typeflag: tar.TypeSymlink, Linkname: "/../../../../../../../../../../../../../../", Uid: os.Getuid(), Gid: os.Getgid(), }) w.WriteHeader(&tar.Header{ Name: "symlink", Typeflag: tar.TypeSymlink, Linkname: filepath.Join("symlink2", tmpdir), Uid: os.Getuid(), Gid: os.Getgid(), }) w.Close() f.Close() if _, err := buildImageFromContext(name, &FakeContext{Dir: ctx}, false); err != nil { t.Fatal(err) } if _, err := os.Lstat(filepath.Join(tmpdir, "inject")); err == nil { t.Fatal("symlink breakout - inject") } else if !os.IsNotExist(err) { t.Fatalf("unexpected error: %v", err) } logDone("build - symlink breakout") } func TestBuildXZHost(t *testing.T) { name := "testbuildxzhost" defer deleteImages(name) ctx, err := fakeContext(` FROM busybox ADD xz /usr/local/sbin/ RUN chmod 755 /usr/local/sbin/xz ADD test.xz / RUN [ ! -e /injected ]`, map[string]string{ "test.xz": "\xfd\x37\x7a\x58\x5a\x00\x00\x04\xe6\xd6\xb4\x46\x02\x00" + "\x21\x01\x16\x00\x00\x00\x74\x2f\xe5\xa3\x01\x00\x3f\xfd" + "\x37\x7a\x58\x5a\x00\x00\x04\xe6\xd6\xb4\x46\x02\x00\x21", "xz": "#!/bin/sh\ntouch /injected", }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, true); err != nil { t.Fatal(err) } logDone("build - xz host is being used") } func TestBuildVolumesRetainContents(t *testing.T) { var ( name = "testbuildvolumescontent" expected = "some text" ) defer deleteImages(name) ctx, err := fakeContext(` FROM busybox COPY content /foo/file VOLUME /foo CMD cat /foo/file`, map[string]string{ "content": expected, }) if err != nil { t.Fatal(err) } defer ctx.Close() if _, err := buildImageFromContext(name, ctx, false); err != nil { t.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", name)) if err != nil { t.Fatal(err) } if out != expected { t.Fatalf("expected file contents for /foo/file to be %q but received %q", expected, out) } logDone("build - volumes retain contents in build") } func TestBuildRenamedDockerfile(t *testing.T) { defer deleteAllContainers() ctx, err := fakeContext(`FROM busybox RUN echo from Dockerfile`, map[string]string{ "Dockerfile": "FROM busybox\nRUN echo from Dockerfile", "files/Dockerfile": "FROM busybox\nRUN echo from files/Dockerfile", "files/dFile": "FROM busybox\nRUN echo from files/dFile", "dFile": "FROM busybox\nRUN echo from dFile", }) defer ctx.Close() if err != nil { t.Fatal(err) } out, _, err := dockerCmdInDir(t, ctx.Dir, "build", "-t", "test1", ".") if err != nil { t.Fatalf("Failed to build: %s\n%s", out, err) } if !strings.Contains(out, "from Dockerfile") { t.Fatalf("Should have used Dockerfile, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir, "build", "-f", "files/Dockerfile", "-t", "test2", ".") if err != nil { t.Fatal(err) } if !strings.Contains(out, "from files/Dockerfile") { t.Fatalf("Should have used files/Dockerfile, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir, "build", "--file=files/dFile", "-t", "test3", ".") if err != nil { t.Fatal(err) } if !strings.Contains(out, "from files/dFile") { t.Fatalf("Should have used files/dFile, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir, "build", "--file=dFile", "-t", "test4", ".") if err != nil { t.Fatal(err) } if !strings.Contains(out, "from dFile") { t.Fatalf("Should have used dFile, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir, "build", "--file=/etc/passwd", "-t", "test5", ".") if err == nil { t.Fatalf("Was supposed to fail to find passwd") } if !strings.Contains(out, "The Dockerfile (/etc/passwd) must be within the build context (.)") { t.Fatalf("Wrong error message for passwd:%v", out) } out, _, err = dockerCmdInDir(t, ctx.Dir+"/files", "build", "-f", "../Dockerfile", "-t", "test5", "..") if err != nil { t.Fatal(err) } if !strings.Contains(out, "from Dockerfile") { t.Fatalf("Should have used root Dockerfile, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir+"/files", "build", "-f", ctx.Dir+"/files/Dockerfile", "-t", "test6", "..") if err != nil { t.Fatal(err) } if !strings.Contains(out, "from files/Dockerfile") { t.Fatalf("Should have used files Dockerfile - 2, output:%s", out) } out, _, err = dockerCmdInDir(t, ctx.Dir+"/files", "build", "-f", "../Dockerfile", "-t", "test7", ".") if err == nil || !strings.Contains(out, "must be within the build context") { t.Fatalf("Should have failed with Dockerfile out of context") } out, _, err = dockerCmdInDir(t, "/tmp", "build", "-t", "test6", ctx.Dir) if err != nil { t.Fatal(err) } if !strings.Contains(out, "from Dockerfile") { t.Fatalf("Should have used root Dockerfile, output:%s", out) } logDone("build - rename dockerfile") } func TestBuildFromOfficialNames(t *testing.T) { name := "testbuildfromofficial" fromNames := []string{ "busybox", "docker.io/busybox", "index.docker.io/busybox", "library/busybox", "docker.io/library/busybox", "index.docker.io/library/busybox", } for idx, fromName := range fromNames { imgName := fmt.Sprintf("%s%d", name, idx) _, err := buildImage(imgName, "FROM "+fromName, true) if err != nil { t.Errorf("Build failed using FROM %s: %s", fromName, err) } deleteImages(imgName) } logDone("build - from official names") }