package test_bindings import ( "context" "fmt" "io/ioutil" "os" "os/exec" "path/filepath" "strings" "time" "github.com/containers/podman/v3/libpod/define" . "github.com/containers/podman/v3/pkg/bindings" "github.com/containers/podman/v3/pkg/bindings/containers" "github.com/containers/podman/v3/pkg/specgen" "github.com/onsi/ginkgo" "github.com/onsi/gomega/gexec" "github.com/pkg/errors" ) type testImage struct { name string shortName string tarballName string } const ( devPodmanBinaryLocation string = "../../../bin/podman" defaultPodmanBinaryLocation string = "/usr/bin/podman" ) func getPodmanBinary() string { _, err := os.Stat(devPodmanBinaryLocation) if os.IsNotExist(err) { return defaultPodmanBinaryLocation } return devPodmanBinaryLocation } var ( ImageCacheDir = "/tmp/podman/imagecachedir" LockTmpDir string alpine = testImage{ name: "docker.io/library/alpine:latest", shortName: "alpine", tarballName: "alpine.tar", } busybox = testImage{ name: "docker.io/library/busybox:latest", shortName: "busybox", tarballName: "busybox.tar", } CACHE_IMAGES = []testImage{alpine, busybox} ) type bindingTest struct { artifactDirPath string imageCacheDir string sock string tempDirPath string runRoot string crioRoot string conn context.Context } func (b *bindingTest) NewConnection() error { connText, err := NewConnection(context.Background(), b.sock) if err != nil { return err } b.conn = connText return nil } func (b *bindingTest) runPodman(command []string) *gexec.Session { var cmd []string podmanBinary := getPodmanBinary() val, ok := os.LookupEnv("PODMAN_BINARY") if ok { podmanBinary = val } val, ok = os.LookupEnv("CGROUP_MANAGER") if ok { cmd = append(cmd, "--cgroup-manager", val) } val, ok = os.LookupEnv("CNI_CONFIG_DIR") if ok { cmd = append(cmd, "--cni-config-dir", val) } val, ok = os.LookupEnv("CONMON") if ok { cmd = append(cmd, "--conmon", val) } val, ok = os.LookupEnv("ROOT") if ok { cmd = append(cmd, "--root", val) } else { cmd = append(cmd, "--root", b.crioRoot) } val, ok = os.LookupEnv("OCI_RUNTIME") if ok { cmd = append(cmd, "--runtime", val) } val, ok = os.LookupEnv("RUNROOT") if ok { cmd = append(cmd, "--runroot", val) } else { cmd = append(cmd, "--runroot", b.runRoot) } val, ok = os.LookupEnv("TEMPDIR") if ok { cmd = append(cmd, "--tmpdir", val) } else { cmd = append(cmd, "--tmpdir", b.tempDirPath) } val, ok = os.LookupEnv("STORAGE_DRIVER") if ok { cmd = append(cmd, "--storage-driver", val) } val, ok = os.LookupEnv("STORAGE_OPTIONS") if ok { cmd = append(cmd, "--storage", val) } cmd = append(cmd, command...) c := exec.Command(podmanBinary, cmd...) fmt.Printf("Running: %s %s\n", podmanBinary, strings.Join(cmd, " ")) session, err := gexec.Start(c, ginkgo.GinkgoWriter, ginkgo.GinkgoWriter) if err != nil { panic(errors.Errorf("unable to run podman command: %q", cmd)) } return session } func newBindingTest() *bindingTest { tmpPath, _ := createTempDirInTempDir() b := bindingTest{ crioRoot: filepath.Join(tmpPath, "crio"), runRoot: filepath.Join(tmpPath, "run"), artifactDirPath: "", imageCacheDir: "", sock: fmt.Sprintf("unix://%s", filepath.Join(tmpPath, "api.sock")), tempDirPath: tmpPath, } return &b } // createTempDirinTempDir create a temp dir with prefix podman_test func createTempDirInTempDir() (string, error) { return ioutil.TempDir("", "libpod_api") } func (b *bindingTest) startAPIService() *gexec.Session { cmd := []string{"--log-level=debug", "--events-backend=file", "system", "service", "--timeout=0", b.sock} session := b.runPodman(cmd) sock := strings.TrimPrefix(b.sock, "unix://") for i := 0; i < 10; i++ { if _, err := os.Stat(sock); err != nil { if !os.IsNotExist(err) { break } time.Sleep(time.Second) continue } break } return session } func (b *bindingTest) cleanup() { s := b.runPodman([]string{"stop", "-a", "-t", "0"}) s.Wait(45) if err := os.RemoveAll(b.tempDirPath); err != nil { fmt.Println(err) } } // Pull is a helper function to pull in images func (b *bindingTest) Pull(name string) { p := b.runPodman([]string{"pull", name}) p.Wait(45) } func (b *bindingTest) Save(i testImage) { p := b.runPodman([]string{"save", "-o", filepath.Join(ImageCacheDir, i.tarballName), i.name}) p.Wait(45) } func (b *bindingTest) RestoreImagesFromCache() { for _, i := range CACHE_IMAGES { b.restoreImageFromCache(i) } } func (b *bindingTest) restoreImageFromCache(i testImage) { p := b.runPodman([]string{"load", "-i", filepath.Join(ImageCacheDir, i.tarballName)}) p.Wait(45) } // Run a container within or without a pod // and add or append the alpine image to it func (b *bindingTest) RunTopContainer(containerName *string, podName *string) (string, error) { s := specgen.NewSpecGenerator(alpine.name, false) s.Terminal = false s.Command = []string{"/usr/bin/top"} if containerName != nil { s.Name = *containerName } if podName != nil { s.Pod = *podName } ctr, err := containers.CreateWithSpec(b.conn, s, nil) if err != nil { return "", nil } err = containers.Start(b.conn, ctr.ID, nil) if err != nil { return "", err } wait := define.ContainerStateRunning _, err = containers.Wait(b.conn, ctr.ID, new(containers.WaitOptions).WithCondition([]define.ContainerStatus{wait})) return ctr.ID, err } // This method creates a pod with the given pod name. // Podname is an optional parameter func (b *bindingTest) Podcreate(name *string) { if name != nil { podname := *name b.runPodman([]string{"pod", "create", "--name", podname}).Wait(45) } else { b.runPodman([]string{"pod", "create"}).Wait(45) } } // StringInSlice returns a boolean based on whether a given // string is in a given slice func StringInSlice(s string, sl []string) bool { for _, val := range sl { if s == val { return true } } return false } var _ = ginkgo.SynchronizedBeforeSuite(func() []byte { // make cache dir if err := os.MkdirAll(ImageCacheDir, 0777); err != nil { fmt.Printf("%q\n", err) os.Exit(1) } // If running localized tests, the cache dir is created and populated. if the // tests are remote, this is a no-op createCache() path, err := ioutil.TempDir("", "libpodlock") if err != nil { fmt.Println(err) os.Exit(1) } return []byte(path) }, func(data []byte) { LockTmpDir = string(data) }) func createCache() { b := newBindingTest() for _, i := range CACHE_IMAGES { _, err := os.Stat(filepath.Join(ImageCacheDir, i.tarballName)) if os.IsNotExist(err) { // pull the image b.Pull(i.name) b.Save(i) } } b.cleanup() } func isStopped(state string) bool { return state == "exited" || state == "stopped" }