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|
package integration
import (
"bytes"
"fmt"
"io/ioutil"
"math/rand"
"os"
"os/exec"
"path/filepath"
"sort"
"strconv"
"strings"
"testing"
"time"
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/pkg/cgroups"
"github.com/containers/podman/v2/pkg/inspect"
"github.com/containers/podman/v2/pkg/rootless"
. "github.com/containers/podman/v2/test/utils"
"github.com/containers/storage"
"github.com/containers/storage/pkg/reexec"
"github.com/containers/storage/pkg/stringid"
jsoniter "github.com/json-iterator/go"
"github.com/onsi/ginkgo"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
var (
PODMAN_BINARY string
CONMON_BINARY string
CNI_CONFIG_DIR string
RUNC_BINARY string
INTEGRATION_ROOT string
CGROUP_MANAGER = "systemd"
ARTIFACT_DIR = "/tmp/.artifacts"
RESTORE_IMAGES = []string{ALPINE, BB, nginx}
defaultWaitTimeout = 90
CGROUPSV2, _ = cgroups.IsCgroup2UnifiedMode()
)
// PodmanTestIntegration struct for command line options
type PodmanTestIntegration struct {
PodmanTest
ConmonBinary string
CrioRoot string
CNIConfigDir string
OCIRuntime string
RunRoot string
StorageOptions string
SignaturePolicyPath string
CgroupManager string
Host HostOS
Timings []string
TmpDir string
RemoteStartErr error
}
var LockTmpDir string
// PodmanSessionIntegration struct for command line session
type PodmanSessionIntegration struct {
*PodmanSession
}
type testResult struct {
name string
length float64
}
var noCache = "Cannot run nocache with remote"
type testResultsSorted []testResult
func (a testResultsSorted) Len() int { return len(a) }
func (a testResultsSorted) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
type testResultsSortedLength struct{ testResultsSorted }
func (a testResultsSorted) Less(i, j int) bool { return a[i].length < a[j].length }
var testResults []testResult
func TestMain(m *testing.M) {
if reexec.Init() {
return
}
os.Exit(m.Run())
}
// TestLibpod ginkgo master function
func TestLibpod(t *testing.T) {
if os.Getenv("NOCACHE") == "1" {
CACHE_IMAGES = []string{}
RESTORE_IMAGES = []string{}
}
RegisterFailHandler(Fail)
RunSpecs(t, "Libpod Suite")
}
var _ = SynchronizedBeforeSuite(func() []byte {
// make cache dir
if err := os.MkdirAll(ImageCacheDir, 0777); err != nil {
fmt.Printf("%q\n", err)
os.Exit(1)
}
// Cache images
cwd, _ := os.Getwd()
INTEGRATION_ROOT = filepath.Join(cwd, "../../")
podman := PodmanTestSetup("/tmp")
podman.ArtifactPath = ARTIFACT_DIR
if _, err := os.Stat(ARTIFACT_DIR); os.IsNotExist(err) {
if err = os.Mkdir(ARTIFACT_DIR, 0777); err != nil {
fmt.Printf("%q\n", err)
os.Exit(1)
}
}
// Pull cirros but don't put it into the cache
pullImages := []string{cirros, fedoraToolbox, volumeTest}
pullImages = append(pullImages, CACHE_IMAGES...)
for _, image := range pullImages {
podman.createArtifact(image)
}
if err := os.MkdirAll(filepath.Join(ImageCacheDir, podman.ImageCacheFS+"-images"), 0777); err != nil {
fmt.Printf("%q\n", err)
os.Exit(1)
}
podman.CrioRoot = ImageCacheDir
// If running localized tests, the cache dir is created and populated. if the
// tests are remote, this is a no-op
populateCache(podman)
host := GetHostDistributionInfo()
if host.Distribution == "rhel" && strings.HasPrefix(host.Version, "7") {
f, err := os.OpenFile("/proc/sys/user/max_user_namespaces", os.O_WRONLY, 0644)
if err != nil {
fmt.Println("Unable to enable userspace on RHEL 7")
os.Exit(1)
}
_, err = f.WriteString("15000")
if err != nil {
fmt.Println("Unable to enable userspace on RHEL 7")
os.Exit(1)
}
f.Close()
}
path, err := ioutil.TempDir("", "libpodlock")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// If running remote, we need to stop the associated podman system service
if podman.RemoteTest {
podman.StopRemoteService()
}
return []byte(path)
}, func(data []byte) {
cwd, _ := os.Getwd()
INTEGRATION_ROOT = filepath.Join(cwd, "../../")
LockTmpDir = string(data)
})
func (p *PodmanTestIntegration) Setup() {
cwd, _ := os.Getwd()
INTEGRATION_ROOT = filepath.Join(cwd, "../../")
p.ArtifactPath = ARTIFACT_DIR
}
var _ = SynchronizedAfterSuite(func() {},
func() {
sort.Sort(testResultsSortedLength{testResults})
fmt.Println("integration timing results")
for _, result := range testResults {
fmt.Printf("%s\t\t%f\n", result.name, result.length)
}
// previous crio-run
tempdir, err := CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest := PodmanTestCreate(tempdir)
if err := os.RemoveAll(podmanTest.CrioRoot); err != nil {
fmt.Printf("%q\n", err)
}
// If running remote, we need to stop the associated podman system service
if podmanTest.RemoteTest {
podmanTest.StopRemoteService()
}
// for localized tests, this removes the image cache dir and for remote tests
// this is a no-op
removeCache()
})
// PodmanTestCreate creates a PodmanTestIntegration instance for the tests
func PodmanTestCreateUtil(tempDir string, remote bool) *PodmanTestIntegration {
var (
podmanRemoteBinary string
)
host := GetHostDistributionInfo()
cwd, _ := os.Getwd()
podmanBinary := filepath.Join(cwd, "../../bin/podman")
if os.Getenv("PODMAN_BINARY") != "" {
podmanBinary = os.Getenv("PODMAN_BINARY")
}
if remote {
podmanRemoteBinary = filepath.Join(cwd, "../../bin/podman-remote")
if os.Getenv("PODMAN_REMOTE_BINARY") != "" {
podmanRemoteBinary = os.Getenv("PODMAN_REMOTE_BINARY")
}
}
conmonBinary := filepath.Join("/usr/libexec/podman/conmon")
altConmonBinary := "/usr/bin/conmon"
if _, err := os.Stat(conmonBinary); os.IsNotExist(err) {
conmonBinary = altConmonBinary
}
if os.Getenv("CONMON_BINARY") != "" {
conmonBinary = os.Getenv("CONMON_BINARY")
}
storageOptions := STORAGE_OPTIONS
if os.Getenv("STORAGE_OPTIONS") != "" {
storageOptions = os.Getenv("STORAGE_OPTIONS")
}
cgroupManager := CGROUP_MANAGER
if rootless.IsRootless() {
cgroupManager = "cgroupfs"
}
if os.Getenv("CGROUP_MANAGER") != "" {
cgroupManager = os.Getenv("CGROUP_MANAGER")
}
ociRuntime := os.Getenv("OCI_RUNTIME")
if ociRuntime == "" {
ociRuntime = "crun"
}
os.Setenv("DISABLE_HC_SYSTEMD", "true")
CNIConfigDir := "/etc/cni/net.d"
if rootless.IsRootless() {
CNIConfigDir = filepath.Join(os.Getenv("HOME"), ".config/cni/net.d")
}
if err := os.MkdirAll(CNIConfigDir, 0755); err != nil {
panic(err)
}
storageFs := STORAGE_FS
if rootless.IsRootless() {
storageFs = ROOTLESS_STORAGE_FS
}
p := &PodmanTestIntegration{
PodmanTest: PodmanTest{
PodmanBinary: podmanBinary,
ArtifactPath: ARTIFACT_DIR,
TempDir: tempDir,
RemoteTest: remote,
ImageCacheFS: storageFs,
ImageCacheDir: ImageCacheDir,
},
ConmonBinary: conmonBinary,
CrioRoot: filepath.Join(tempDir, "crio"),
TmpDir: tempDir,
CNIConfigDir: CNIConfigDir,
OCIRuntime: ociRuntime,
RunRoot: filepath.Join(tempDir, "crio-run"),
StorageOptions: storageOptions,
SignaturePolicyPath: filepath.Join(INTEGRATION_ROOT, "test/policy.json"),
CgroupManager: cgroupManager,
Host: host,
}
if remote {
p.PodmanTest.RemotePodmanBinary = podmanRemoteBinary
uuid := stringid.GenerateNonCryptoID()
if !rootless.IsRootless() {
p.RemoteSocket = fmt.Sprintf("unix:/run/podman/podman-%s.sock", uuid)
} else {
runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
socket := fmt.Sprintf("podman-%s.sock", uuid)
fqpath := filepath.Join(runtimeDir, socket)
p.RemoteSocket = fmt.Sprintf("unix:%s", fqpath)
}
}
// Setup registries.conf ENV variable
p.setDefaultRegistriesConfigEnv()
// Rewrite the PodmanAsUser function
p.PodmanMakeOptions = p.makeOptions
return p
}
func (p PodmanTestIntegration) AddImageToRWStore(image string) {
if err := p.RestoreArtifact(image); err != nil {
logrus.Errorf("unable to restore %s to RW store", image)
}
}
// createArtifact creates a cached image in the artifact dir
func (p *PodmanTestIntegration) createArtifact(image string) {
if os.Getenv("NO_TEST_CACHE") != "" {
return
}
dest := strings.Split(image, "/")
destName := fmt.Sprintf("/tmp/%s.tar", strings.Replace(strings.Join(strings.Split(dest[len(dest)-1], "/"), ""), ":", "-", -1))
fmt.Printf("Caching %s at %s...", image, destName)
if _, err := os.Stat(destName); os.IsNotExist(err) {
pull := p.PodmanNoCache([]string{"pull", image})
pull.Wait(240)
Expect(pull.ExitCode()).To(Equal(0))
save := p.PodmanNoCache([]string{"save", "-o", destName, image})
save.Wait(90)
Expect(save.ExitCode()).To(Equal(0))
fmt.Printf("\n")
} else {
fmt.Printf(" already exists.\n")
}
}
// InspectImageJSON takes the session output of an inspect
// image and returns json
func (s *PodmanSessionIntegration) InspectImageJSON() []inspect.ImageData {
var i []inspect.ImageData
err := jsoniter.Unmarshal(s.Out.Contents(), &i)
Expect(err).To(BeNil())
return i
}
// InspectContainer returns a container's inspect data in JSON format
func (p *PodmanTestIntegration) InspectContainer(name string) []define.InspectContainerData {
cmd := []string{"inspect", name}
session := p.Podman(cmd)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
return session.InspectContainerToJSON()
}
func processTestResult(f GinkgoTestDescription) {
tr := testResult{length: f.Duration.Seconds(), name: f.TestText}
testResults = append(testResults, tr)
}
func GetPortLock(port string) storage.Locker {
lockFile := filepath.Join(LockTmpDir, port)
lock, err := storage.GetLockfile(lockFile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
lock.Lock()
return lock
}
// GetRandomIPAddress returns a random IP address to avoid IP
// collisions during parallel tests
func GetRandomIPAddress() string {
// To avoid IP collisions of initialize random seed for random IP addresses
rand.Seed(time.Now().UnixNano())
// Add GinkgoParallelNode() on top of the IP address
// in case of the same random seed
ip3 := strconv.Itoa(rand.Intn(230) + GinkgoParallelNode())
ip4 := strconv.Itoa(rand.Intn(230) + GinkgoParallelNode())
return "10.88." + ip3 + "." + ip4
}
// RunTopContainer runs a simple container in the background that
// runs top. If the name passed != "", it will have a name
func (p *PodmanTestIntegration) RunTopContainer(name string) *PodmanSessionIntegration {
return p.RunTopContainerWithArgs(name, nil)
}
// RunTopContainerWithArgs runs a simple container in the background that
// runs top. If the name passed != "", it will have a name, command args can also be passed in
func (p *PodmanTestIntegration) RunTopContainerWithArgs(name string, args []string) *PodmanSessionIntegration {
var podmanArgs = []string{"run"}
if name != "" {
podmanArgs = append(podmanArgs, "--name", name)
}
podmanArgs = append(podmanArgs, args...)
podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
return p.Podman(podmanArgs)
}
// RunLsContainer runs a simple container in the background that
// simply runs ls. If the name passed != "", it will have a name
func (p *PodmanTestIntegration) RunLsContainer(name string) (*PodmanSessionIntegration, int, string) {
var podmanArgs = []string{"run"}
if name != "" {
podmanArgs = append(podmanArgs, "--name", name)
}
podmanArgs = append(podmanArgs, "-d", ALPINE, "ls")
session := p.Podman(podmanArgs)
session.WaitWithDefaultTimeout()
return session, session.ExitCode(), session.OutputToString()
}
// RunNginxWithHealthCheck runs the alpine nginx container with an optional name and adds a healthcheck into it
func (p *PodmanTestIntegration) RunNginxWithHealthCheck(name string) (*PodmanSessionIntegration, string) {
var podmanArgs = []string{"run"}
if name != "" {
podmanArgs = append(podmanArgs, "--name", name)
}
podmanArgs = append(podmanArgs, "-dt", "-P", "--health-cmd", "curl http://localhost/", nginx)
session := p.Podman(podmanArgs)
session.WaitWithDefaultTimeout()
return session, session.OutputToString()
}
func (p *PodmanTestIntegration) RunLsContainerInPod(name, pod string) (*PodmanSessionIntegration, int, string) {
var podmanArgs = []string{"run", "--pod", pod}
if name != "" {
podmanArgs = append(podmanArgs, "--name", name)
}
podmanArgs = append(podmanArgs, "-d", ALPINE, "ls")
session := p.Podman(podmanArgs)
session.WaitWithDefaultTimeout()
return session, session.ExitCode(), session.OutputToString()
}
// BuildImage uses podman build and buildah to build an image
// called imageName based on a string dockerfile
func (p *PodmanTestIntegration) BuildImage(dockerfile, imageName string, layers string) {
dockerfilePath := filepath.Join(p.TempDir, "Dockerfile")
err := ioutil.WriteFile(dockerfilePath, []byte(dockerfile), 0755)
Expect(err).To(BeNil())
session := p.Podman([]string{"build", "--layers=" + layers, "-t", imageName, "--file", dockerfilePath, p.TempDir})
session.Wait(240)
Expect(session).Should(Exit(0), fmt.Sprintf("BuildImage session output: %q", session.OutputToString()))
}
// PodmanPID execs podman and returns its PID
func (p *PodmanTestIntegration) PodmanPID(args []string) (*PodmanSessionIntegration, int) {
podmanOptions := p.MakeOptions(args, false, false)
fmt.Printf("Running: %s %s\n", p.PodmanBinary, strings.Join(podmanOptions, " "))
command := exec.Command(p.PodmanBinary, podmanOptions...)
session, err := Start(command, GinkgoWriter, GinkgoWriter)
if err != nil {
Fail(fmt.Sprintf("unable to run podman command: %s", strings.Join(podmanOptions, " ")))
}
podmanSession := &PodmanSession{session}
return &PodmanSessionIntegration{podmanSession}, command.Process.Pid
}
// Cleanup cleans up the temporary store
func (p *PodmanTestIntegration) Cleanup() {
// Remove all containers
stopall := p.Podman([]string{"stop", "-a", "--time", "0"})
stopall.WaitWithDefaultTimeout()
podstop := p.Podman([]string{"pod", "stop", "-a", "-t", "0"})
podstop.WaitWithDefaultTimeout()
podrm := p.Podman([]string{"pod", "rm", "-fa"})
podrm.WaitWithDefaultTimeout()
session := p.Podman([]string{"rm", "-fa"})
session.WaitWithDefaultTimeout()
p.StopRemoteService()
// Nuke tempdir
if err := os.RemoveAll(p.TempDir); err != nil {
fmt.Printf("%q\n", err)
}
// Clean up the registries configuration file ENV variable set in Create
resetRegistriesConfigEnv()
}
// CleanupVolume cleans up the temporary store
func (p *PodmanTestIntegration) CleanupVolume() {
// Remove all containers
session := p.Podman([]string{"volume", "rm", "-fa"})
session.Wait(90)
p.Cleanup()
}
// InspectContainerToJSON takes the session output of an inspect
// container and returns json
func (s *PodmanSessionIntegration) InspectContainerToJSON() []define.InspectContainerData {
var i []define.InspectContainerData
err := jsoniter.Unmarshal(s.Out.Contents(), &i)
Expect(err).To(BeNil())
return i
}
// InspectPodToJSON takes the sessions output from a pod inspect and returns json
func (s *PodmanSessionIntegration) InspectPodToJSON() define.InspectPodData {
var i define.InspectPodData
err := jsoniter.Unmarshal(s.Out.Contents(), &i)
Expect(err).To(BeNil())
return i
}
// InspectPodToJSON takes the sessions output from an inspect and returns json
func (s *PodmanSessionIntegration) InspectPodArrToJSON() []define.InspectPodData {
var i []define.InspectPodData
err := jsoniter.Unmarshal(s.Out.Contents(), &i)
Expect(err).To(BeNil())
return i
}
// CreatePod creates a pod with no infra container
// it optionally takes a pod name
func (p *PodmanTestIntegration) CreatePod(options map[string][]string) (*PodmanSessionIntegration, int, string) {
var args = []string{"pod", "create", "--infra=false", "--share", ""}
for k, values := range options {
for _, v := range values {
args = append(args, k+"="+v)
}
}
session := p.Podman(args)
session.WaitWithDefaultTimeout()
return session, session.ExitCode(), session.OutputToString()
}
func (p *PodmanTestIntegration) RunTopContainerInPod(name, pod string) *PodmanSessionIntegration {
return p.RunTopContainerWithArgs(name, []string{"--pod", pod})
}
func (p *PodmanTestIntegration) RunHealthCheck(cid string) error {
for i := 0; i < 10; i++ {
hc := p.Podman([]string{"healthcheck", "run", cid})
hc.WaitWithDefaultTimeout()
if hc.ExitCode() == 0 {
return nil
}
// Restart container if it's not running
ps := p.Podman([]string{"ps", "--no-trunc", "--quiet", "--filter", fmt.Sprintf("id=%s", cid)})
ps.WaitWithDefaultTimeout()
if ps.ExitCode() == 0 {
if !strings.Contains(ps.OutputToString(), cid) {
fmt.Printf("Container %s is not running, restarting", cid)
restart := p.Podman([]string{"restart", cid})
restart.WaitWithDefaultTimeout()
if restart.ExitCode() != 0 {
return errors.Errorf("unable to restart %s", cid)
}
}
}
fmt.Printf("Waiting for %s to pass healthcheck\n", cid)
time.Sleep(1 * time.Second)
}
return errors.Errorf("unable to detect %s as running", cid)
}
func (p *PodmanTestIntegration) CreateSeccompJson(in []byte) (string, error) {
jsonFile := filepath.Join(p.TempDir, "seccomp.json")
err := WriteJsonFile(in, jsonFile)
if err != nil {
return "", err
}
return jsonFile, nil
}
func checkReason(reason string) {
if len(reason) < 5 {
panic("Test must specify a reason to skip")
}
}
func SkipIfRootlessCgroupsV1(reason string) {
checkReason(reason)
if os.Geteuid() != 0 && !CGROUPSV2 {
Skip("[rootless]: " + reason)
}
}
func SkipIfUnprivilegedCPULimits() {
info := GetHostDistributionInfo()
if isRootless() && info.Distribution == "fedora" {
ginkgo.Skip("Rootless Fedora doesn't have permission to set CPU limits")
}
}
func SkipIfRootless(reason string) {
checkReason(reason)
if os.Geteuid() != 0 {
ginkgo.Skip("[rootless]: " + reason)
}
}
func SkipIfNotRootless(reason string) {
checkReason(reason)
if os.Geteuid() == 0 {
ginkgo.Skip("[notRootless]: " + reason)
}
}
func SkipIfNotSystemd(manager, reason string) {
checkReason(reason)
if manager != "systemd" {
ginkgo.Skip("[notSystemd]: " + reason)
}
}
func SkipIfNotFedora() {
info := GetHostDistributionInfo()
if info.Distribution != "fedora" {
ginkgo.Skip("Test can only run on Fedora")
}
}
func isRootless() bool {
return os.Geteuid() != 0
}
func SkipIfCgroupV1(reason string) {
checkReason(reason)
if !CGROUPSV2 {
Skip(reason)
}
}
func SkipIfCgroupV2(reason string) {
checkReason(reason)
if CGROUPSV2 {
Skip(reason)
}
}
func isContainerized() bool {
// This is set to "podman" by podman automatically
if os.Getenv("container") != "" {
return true
}
return false
}
func SkipIfContainerized(reason string) {
checkReason(reason)
if isContainerized() {
Skip(reason)
}
}
// PodmanAsUser is the exec call to podman on the filesystem with the specified uid/gid and environment
func (p *PodmanTestIntegration) PodmanAsUser(args []string, uid, gid uint32, cwd string, env []string) *PodmanSessionIntegration {
podmanSession := p.PodmanAsUserBase(args, uid, gid, cwd, env, false, false, nil)
return &PodmanSessionIntegration{podmanSession}
}
// RestartRemoteService stop and start API Server, usually to change config
func (p *PodmanTestIntegration) RestartRemoteService() {
p.StopRemoteService()
p.StartRemoteService()
}
// RestoreArtifactToCache populates the imagecache from tarballs that were cached earlier
func (p *PodmanTestIntegration) RestoreArtifactToCache(image string) error {
fmt.Printf("Restoring %s...\n", image)
dest := strings.Split(image, "/")
destName := fmt.Sprintf("/tmp/%s.tar", strings.Replace(strings.Join(strings.Split(dest[len(dest)-1], "/"), ""), ":", "-", -1))
p.CrioRoot = p.ImageCacheDir
restore := p.PodmanNoEvents([]string{"load", "-q", "-i", destName})
restore.WaitWithDefaultTimeout()
return nil
}
func populateCache(podman *PodmanTestIntegration) {
for _, image := range CACHE_IMAGES {
podman.RestoreArtifactToCache(image)
}
// logformatter uses this to recognize the first test
fmt.Printf("-----------------------------\n")
}
func removeCache() {
// Remove cache dirs
if err := os.RemoveAll(ImageCacheDir); err != nil {
fmt.Printf("%q\n", err)
}
}
// PodmanNoCache calls the podman command with no configured imagecache
func (p *PodmanTestIntegration) PodmanNoCache(args []string) *PodmanSessionIntegration {
podmanSession := p.PodmanBase(args, false, true)
return &PodmanSessionIntegration{podmanSession}
}
func PodmanTestSetup(tempDir string) *PodmanTestIntegration {
return PodmanTestCreateUtil(tempDir, false)
}
// PodmanNoEvents calls the Podman command without an imagecache and without an
// events backend. It is used mostly for caching and uncaching images.
func (p *PodmanTestIntegration) PodmanNoEvents(args []string) *PodmanSessionIntegration {
podmanSession := p.PodmanBase(args, true, true)
return &PodmanSessionIntegration{podmanSession}
}
// MakeOptions assembles all the podman main options
func (p *PodmanTestIntegration) makeOptions(args []string, noEvents, noCache bool) []string {
if p.RemoteTest {
return args
}
var debug string
if _, ok := os.LookupEnv("DEBUG"); ok {
debug = "--log-level=debug --syslog=true "
}
eventsType := "file"
if noEvents {
eventsType = "none"
}
podmanOptions := strings.Split(fmt.Sprintf("%s--root %s --runroot %s --runtime %s --conmon %s --cni-config-dir %s --cgroup-manager %s --tmpdir %s --events-backend %s",
debug, p.CrioRoot, p.RunRoot, p.OCIRuntime, p.ConmonBinary, p.CNIConfigDir, p.CgroupManager, p.TmpDir, eventsType), " ")
if os.Getenv("HOOK_OPTION") != "" {
podmanOptions = append(podmanOptions, os.Getenv("HOOK_OPTION"))
}
podmanOptions = append(podmanOptions, strings.Split(p.StorageOptions, " ")...)
if !noCache {
cacheOptions := []string{"--storage-opt",
fmt.Sprintf("%s.imagestore=%s", p.PodmanTest.ImageCacheFS, p.PodmanTest.ImageCacheDir)}
podmanOptions = append(cacheOptions, podmanOptions...)
}
podmanOptions = append(podmanOptions, args...)
return podmanOptions
}
func writeConf(conf []byte, confPath string) {
if err := ioutil.WriteFile(confPath, conf, 777); err != nil {
fmt.Println(err)
}
}
func removeConf(confPath string) {
if err := os.Remove(confPath); err != nil {
fmt.Println(err)
}
}
// generateNetworkConfig generates a cni config with a random name
// it returns the network name and the filepath
func generateNetworkConfig(p *PodmanTestIntegration) (string, string) {
// generate a random name to prevent conflicts with other tests
name := "net" + stringid.GenerateNonCryptoID()
path := filepath.Join(p.CNIConfigDir, fmt.Sprintf("%s.conflist", name))
conf := fmt.Sprintf(`{
"cniVersion": "0.3.0",
"name": "%s",
"plugins": [
{
"type": "bridge",
"bridge": "cni1",
"isGateway": true,
"ipMasq": true,
"ipam": {
"type": "host-local",
"subnet": "10.99.0.0/16",
"routes": [
{ "dst": "0.0.0.0/0" }
]
}
},
{
"type": "portmap",
"capabilities": {
"portMappings": true
}
}
]
}`, name)
writeConf([]byte(conf), path)
return name, path
}
func (p *PodmanTestIntegration) removeCNINetwork(name string) {
session := p.Podman([]string{"network", "rm", "-f", name})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeNumerically("<=", 1))
}
func (p *PodmanSessionIntegration) jq(jqCommand string) (string, error) {
var out bytes.Buffer
cmd := exec.Command("jq", jqCommand)
cmd.Stdin = strings.NewReader(p.OutputToString())
cmd.Stdout = &out
err := cmd.Run()
return strings.TrimRight(out.String(), "\n"), err
}
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