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package test_bindings
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/onsi/ginkgo"
"github.com/onsi/gomega/gexec"
"github.com/pkg/errors"
)
type testImage struct {
name string
shortName string
tarballName string
}
const (
defaultPodmanBinaryLocation string = "/usr/bin/podman"
)
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
}
func (b *bindingTest) runPodman(command []string) *gexec.Session {
var cmd []string
podmanBinary := defaultPodmanBinaryLocation
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 {
var (
cmd []string
)
cmd = append(cmd, "--log-level=debug", "system", "service", "--timeout=999999", b.sock)
return b.runPodman(cmd)
}
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), i.name})
p.Wait(45)
}
// Run a container and add append the alpine image to it
func (b *bindingTest) RunTopContainer(name *string) {
cmd := []string{"run", "-dt"}
if name != nil {
containerName := *name
cmd = append(cmd, "--name", containerName)
}
cmd = append(cmd, alpine.name, "top")
p := b.runPodman(cmd)
p.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()
}
|
