package main import ( "io/ioutil" "os" "os/exec" "path/filepath" "runtime" "strings" "sync" "testing" "github.com/docker/docker/integration-cli/fixtures/load" "github.com/docker/docker/pkg/integration/checker" "github.com/go-check/check" ) func ensureFrozenImagesLinux(t *testing.T) { images := []string{"busybox:latest", "hello-world:frozen", "debian:jessie"} err := load.FrozenImagesLinux(dockerBinary, images...) if err != nil { t.Log(dockerCmdWithError("images")) t.Fatalf("%+v", err) } for _, img := range images { protectedImages[img] = struct{}{} } } var ensureSyscallTestOnce sync.Once func ensureSyscallTest(c *check.C) { var doIt bool ensureSyscallTestOnce.Do(func() { doIt = true }) if !doIt { return } protectedImages["syscall-test:latest"] = struct{}{} // if no match, must build in docker, which is significantly slower // (slower mostly because of the vfs graphdriver) if daemonPlatform != runtime.GOOS { ensureSyscallTestBuild(c) return } tmp, err := ioutil.TempDir("", "syscall-test-build") c.Assert(err, checker.IsNil, check.Commentf("couldn't create temp dir")) defer os.RemoveAll(tmp) gcc, err := exec.LookPath("gcc") c.Assert(err, checker.IsNil, check.Commentf("could not find gcc")) out, err := exec.Command(gcc, "-g", "-Wall", "-static", "../contrib/syscall-test/userns.c", "-o", tmp+"/"+"userns-test").CombinedOutput() c.Assert(err, checker.IsNil, check.Commentf(string(out))) out, err = exec.Command(gcc, "-g", "-Wall", "-static", "../contrib/syscall-test/ns.c", "-o", tmp+"/"+"ns-test").CombinedOutput() c.Assert(err, checker.IsNil, check.Commentf(string(out))) out, err = exec.Command(gcc, "-g", "-Wall", "-static", "../contrib/syscall-test/acct.c", "-o", tmp+"/"+"acct-test").CombinedOutput() c.Assert(err, checker.IsNil, check.Commentf(string(out))) if runtime.GOOS == "linux" && runtime.GOARCH == "amd64" { out, err = exec.Command(gcc, "-s", "-m32", "-nostdlib", "../contrib/syscall-test/exit32.s", "-o", tmp+"/"+"exit32-test").CombinedOutput() c.Assert(err, checker.IsNil, check.Commentf(string(out))) } dockerFile := filepath.Join(tmp, "Dockerfile") content := []byte(` FROM debian:jessie COPY . /usr/bin/ `) err = ioutil.WriteFile(dockerFile, content, 600) c.Assert(err, checker.IsNil) var buildArgs []string if arg := os.Getenv("DOCKER_BUILD_ARGS"); strings.TrimSpace(arg) != "" { buildArgs = strings.Split(arg, " ") } buildArgs = append(buildArgs, []string{"-q", "-t", "syscall-test", tmp}...) buildArgs = append([]string{"build"}, buildArgs...) dockerCmd(c, buildArgs...) } func ensureSyscallTestBuild(c *check.C) { err := load.FrozenImagesLinux(dockerBinary, "buildpack-deps:jessie") c.Assert(err, checker.IsNil) var buildArgs []string if arg := os.Getenv("DOCKER_BUILD_ARGS"); strings.TrimSpace(arg) != "" { buildArgs = strings.Split(arg, " ") } buildArgs = append(buildArgs, []string{"-q", "-t", "syscall-test", "../contrib/syscall-test"}...) buildArgs = append([]string{"build"}, buildArgs...) dockerCmd(c, buildArgs...) } func ensureNNPTest(c *check.C) { protectedImages["nnp-test:latest"] = struct{}{} if daemonPlatform != runtime.GOOS { ensureNNPTestBuild(c) return } tmp, err := ioutil.TempDir("", "docker-nnp-test") c.Assert(err, checker.IsNil) gcc, err := exec.LookPath("gcc") c.Assert(err, checker.IsNil, check.Commentf("could not find gcc")) out, err := exec.Command(gcc, "-g", "-Wall", "-static", "../contrib/nnp-test/nnp-test.c", "-o", filepath.Join(tmp, "nnp-test")).CombinedOutput() c.Assert(err, checker.IsNil, check.Commentf(string(out))) dockerfile := filepath.Join(tmp, "Dockerfile") content := ` FROM debian:jessie COPY . /usr/bin RUN chmod +s /usr/bin/nnp-test ` err = ioutil.WriteFile(dockerfile, []byte(content), 600) c.Assert(err, checker.IsNil, check.Commentf("could not write Dockerfile for nnp-test image")) var buildArgs []string if arg := os.Getenv("DOCKER_BUILD_ARGS"); strings.TrimSpace(arg) != "" { buildArgs = strings.Split(arg, " ") } buildArgs = append(buildArgs, []string{"-q", "-t", "nnp-test", tmp}...) buildArgs = append([]string{"build"}, buildArgs...) dockerCmd(c, buildArgs...) } func ensureNNPTestBuild(c *check.C) { err := load.FrozenImagesLinux(dockerBinary, "buildpack-deps:jessie") c.Assert(err, checker.IsNil) var buildArgs []string if arg := os.Getenv("DOCKER_BUILD_ARGS"); strings.TrimSpace(arg) != "" { buildArgs = strings.Split(arg, " ") } buildArgs = append(buildArgs, []string{"-q", "-t", "npp-test", "../contrib/nnp-test"}...) buildArgs = append([]string{"build"}, buildArgs...) dockerCmd(c, buildArgs...) }