package main import ( "fmt" "io/ioutil" "os" "os/exec" "path/filepath" "runtime" "strings" "testing" "github.com/docker/docker/testutil/fixtures/load" "gotest.tools/v3/assert" ) func ensureSyscallTest(c *testing.T) { defer testEnv.ProtectImage(c, "syscall-test:latest") // If the image already exists, there's nothing left to do. if testEnv.HasExistingImage(c, "syscall-test:latest") { return } // if no match, must build in docker, which is significantly slower // (slower mostly because of the vfs graphdriver) if testEnv.OSType != runtime.GOOS { ensureSyscallTestBuild(c) return } tmp, err := ioutil.TempDir("", "syscall-test-build") assert.NilError(c, err, "couldn't create temp dir") defer os.RemoveAll(tmp) gcc, err := exec.LookPath("gcc") assert.NilError(c, err, "could not find gcc") tests := []string{"userns", "ns", "acct", "setuid", "setgid", "socket", "raw"} for _, test := range tests { out, err := exec.Command(gcc, "-g", "-Wall", "-static", fmt.Sprintf("../contrib/syscall-test/%s.c", test), "-o", fmt.Sprintf("%s/%s-test", tmp, test)).CombinedOutput() assert.NilError(c, err, string(out)) } if runtime.GOOS == "linux" && runtime.GOARCH == "amd64" { out, err := exec.Command(gcc, "-s", "-m32", "-nostdlib", "-static", "../contrib/syscall-test/exit32.s", "-o", tmp+"/"+"exit32-test").CombinedOutput() assert.NilError(c, err, string(out)) } dockerFile := filepath.Join(tmp, "Dockerfile") content := []byte(` FROM debian:buster COPY . /usr/bin/ `) err = ioutil.WriteFile(dockerFile, content, 0600) assert.NilError(c, err) 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 *testing.T) { err := load.FrozenImagesLinux(testEnv.APIClient(), "buildpack-deps:buster") assert.NilError(c, err) 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 *testing.T) { defer testEnv.ProtectImage(c, "nnp-test:latest") // If the image already exists, there's nothing left to do. if testEnv.HasExistingImage(c, "nnp-test:latest") { return } // if no match, must build in docker, which is significantly slower // (slower mostly because of the vfs graphdriver) if testEnv.OSType != runtime.GOOS { ensureNNPTestBuild(c) return } tmp, err := ioutil.TempDir("", "docker-nnp-test") assert.NilError(c, err) gcc, err := exec.LookPath("gcc") assert.NilError(c, err, "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() assert.NilError(c, err, string(out)) dockerfile := filepath.Join(tmp, "Dockerfile") content := ` FROM debian:buster COPY . /usr/bin RUN chmod +s /usr/bin/nnp-test ` err = ioutil.WriteFile(dockerfile, []byte(content), 0600) assert.NilError(c, err, "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 *testing.T) { err := load.FrozenImagesLinux(testEnv.APIClient(), "buildpack-deps:buster") assert.NilError(c, err) 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...) }