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|
// +build varlink
package endpoint
import (
"bytes"
"encoding/json"
"fmt"
"os"
"os/exec"
"strconv"
"strings"
"syscall"
"time"
"github.com/containers/podman/v2/pkg/rootless"
iopodman "github.com/containers/podman/v2/pkg/varlink"
. "github.com/onsi/ginkgo"
"github.com/onsi/gomega/gexec"
)
var (
ARTIFACT_DIR = "/tmp/.artifacts"
CGROUP_MANAGER = "systemd"
defaultWaitTimeout = 90
//RESTORE_IMAGES = []string{ALPINE, BB}
INTEGRATION_ROOT string
ImageCacheDir = "/tmp/podman/imagecachedir"
VarlinkBinary = "/usr/bin/varlink"
ALPINE = "docker.io/library/alpine:latest"
infra = "k8s.gcr.io/pause:3.2"
BB = "docker.io/library/busybox:latest"
redis = "docker.io/library/redis:alpine"
fedoraMinimal = "quay.io/libpod/fedora-minimal:latest"
)
type EndpointTestIntegration struct {
ArtifactPath string
CNIConfigDir string
CgroupManager string
ConmonBinary string
CrioRoot string
//Host HostOS
ImageCacheDir string
ImageCacheFS string
OCIRuntime string
PodmanBinary string
RemoteTest bool
RunRoot string
SignaturePolicyPath string
StorageOptions string
TmpDir string
Timings []string
VarlinkBinary string
VarlinkCommand *exec.Cmd
VarlinkEndpoint string
VarlinkSession *os.Process
}
func (p *EndpointTestIntegration) StartVarlink() {
p.startVarlink(false)
}
func (p *EndpointTestIntegration) StartVarlinkWithCache() {
p.startVarlink(true)
}
func (p *EndpointTestIntegration) startVarlink(useImageCache bool) {
var (
counter int
)
if os.Geteuid() == 0 {
os.MkdirAll("/run/podman", 0755)
}
varlinkEndpoint := p.VarlinkEndpoint
//p.SetVarlinkAddress(p.RemoteSocket)
args := []string{"varlink", "--time", "0", varlinkEndpoint}
podmanOptions := getVarlinkOptions(p, args)
if useImageCache {
cacheOptions := []string{"--storage-opt", fmt.Sprintf("%s.imagestore=%s", p.ImageCacheFS, p.ImageCacheDir)}
podmanOptions = append(cacheOptions, podmanOptions...)
}
command := exec.Command(p.PodmanBinary, podmanOptions...)
fmt.Printf("Running: %s %s\n", p.PodmanBinary, strings.Join(podmanOptions, " "))
command.Start()
command.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
p.VarlinkCommand = command
p.VarlinkSession = command.Process
for {
if result := p.endpointReady(); result == 0 {
break
}
fmt.Println("Waiting for varlink connection to become active", counter)
time.Sleep(250 * time.Millisecond)
counter++
if counter > 40 {
Fail("varlink endpoint never became ready")
}
}
}
func (p *EndpointTestIntegration) endpointReady() int {
session := p.Varlink("GetVersion", "", false)
return session.ExitCode()
}
func (p *EndpointTestIntegration) StopVarlink() {
var out bytes.Buffer
var pids []int
varlinkSession := p.VarlinkSession
if !rootless.IsRootless() {
if err := varlinkSession.Kill(); err != nil {
fmt.Fprintf(os.Stderr, "error on varlink stop-kill %q", err)
}
if _, err := varlinkSession.Wait(); err != nil {
fmt.Fprintf(os.Stderr, "error on varlink stop-wait %q", err)
}
} else {
//p.ResetVarlinkAddress()
parentPid := fmt.Sprintf("%d", p.VarlinkSession.Pid)
pgrep := exec.Command("pgrep", "-P", parentPid)
fmt.Printf("running: pgrep %s\n", parentPid)
pgrep.Stdout = &out
err := pgrep.Run()
if err != nil {
fmt.Fprint(os.Stderr, "unable to find varlink pid")
}
for _, s := range strings.Split(out.String(), "\n") {
if len(s) == 0 {
continue
}
p, err := strconv.Atoi(s)
if err != nil {
fmt.Fprintf(os.Stderr, "unable to convert %s to int", s)
}
if p != 0 {
pids = append(pids, p)
}
}
pids = append(pids, p.VarlinkSession.Pid)
for _, pid := range pids {
syscall.Kill(pid, syscall.SIGKILL)
}
}
socket := strings.Split(p.VarlinkEndpoint, ":")[1]
if err := os.Remove(socket); err != nil {
fmt.Println(err)
}
}
type EndpointSession struct {
*gexec.Session
}
func getVarlinkOptions(p *EndpointTestIntegration, args []string) []string {
podmanOptions := strings.Split(fmt.Sprintf("--root %s --runroot %s --runtime %s --conmon %s --cni-config-dir %s --cgroup-manager %s",
p.CrioRoot, p.RunRoot, p.OCIRuntime, p.ConmonBinary, p.CNIConfigDir, p.CgroupManager), " ")
if os.Getenv("HOOK_OPTION") != "" {
podmanOptions = append(podmanOptions, os.Getenv("HOOK_OPTION"))
}
podmanOptions = append(podmanOptions, strings.Split(p.StorageOptions, " ")...)
podmanOptions = append(podmanOptions, args...)
return podmanOptions
}
func (p *EndpointTestIntegration) Varlink(endpoint, message string, more bool) *EndpointSession {
//call unix:/run/user/1000/podman/io.podman/io.podman.GetContainerStats '{"name": "foobar" }'
var (
command *exec.Cmd
)
args := []string{"call"}
if more {
args = append(args, "-m")
}
args = append(args, []string{fmt.Sprintf("%s/io.podman.%s", p.VarlinkEndpoint, endpoint)}...)
if len(message) > 0 {
args = append(args, message)
}
command = exec.Command(p.VarlinkBinary, args...)
session, err := gexec.Start(command, GinkgoWriter, GinkgoWriter)
if err != nil {
Fail(fmt.Sprintf("unable to run varlink command: %s\n%v", strings.Join(args, " "), err))
}
session.Wait(defaultWaitTimeout)
return &EndpointSession{session}
}
func (s *EndpointSession) StdErrToString() string {
fields := strings.Fields(fmt.Sprintf("%s", s.Err.Contents()))
return strings.Join(fields, " ")
}
func (s *EndpointSession) OutputToString() string {
fields := strings.Fields(fmt.Sprintf("%s", s.Out.Contents()))
return strings.Join(fields, " ")
}
func (s *EndpointSession) OutputToBytes() []byte {
out := s.OutputToString()
return []byte(out)
}
func (s *EndpointSession) OutputToStringMap() map[string]string {
var out map[string]string
json.Unmarshal(s.OutputToBytes(), &out)
return out
}
func (s *EndpointSession) OutputToMapToInt() map[string]int {
var out map[string]int
json.Unmarshal(s.OutputToBytes(), &out)
return out
}
func (s *EndpointSession) OutputToMoreResponse() iopodman.MoreResponse {
out := make(map[string]iopodman.MoreResponse)
json.Unmarshal(s.OutputToBytes(), &out)
return out["reply"]
}
|
