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// +build varlink
package endpoint
import (
"encoding/json"
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/containers/podman/v2/pkg/rootless"
iopodman "github.com/containers/podman/v2/pkg/varlink"
"github.com/containers/storage/pkg/stringid"
"github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/sirupsen/logrus"
)
func Setup(tempDir string) *EndpointTestIntegration {
var (
endpoint string
)
cwd, _ := os.Getwd()
INTEGRATION_ROOT = filepath.Join(cwd, "../../")
podmanBinary := filepath.Join(cwd, "../../bin/podman")
if os.Getenv("PODMAN_BINARY") != "" {
podmanBinary = os.Getenv("PODMAN_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 == "" {
var err error
ociRuntime, err = exec.LookPath("runc")
// If we cannot find the runc binary, setting to something static as we have no way
// to return an error. The tests will fail and point out that the runc binary could
// not be found nicely.
if err != nil {
ociRuntime = "/usr/bin/runc"
}
}
os.Setenv("DISABLE_HC_SYSTEMD", "true")
CNIConfigDir := "/etc/cni/net.d"
storageFs := STORAGE_FS
if rootless.IsRootless() {
storageFs = ROOTLESS_STORAGE_FS
}
uuid := stringid.GenerateNonCryptoID()
if !rootless.IsRootless() {
endpoint = fmt.Sprintf("unix:/run/podman/io.podman-%s", uuid)
} else {
runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
socket := fmt.Sprintf("io.podman-%s", uuid)
fqpath := filepath.Join(runtimeDir, socket)
endpoint = fmt.Sprintf("unix:%s", fqpath)
}
eti := EndpointTestIntegration{
ArtifactPath: ARTIFACT_DIR,
CNIConfigDir: CNIConfigDir,
CgroupManager: cgroupManager,
ConmonBinary: conmonBinary,
CrioRoot: filepath.Join(tempDir, "crio"),
ImageCacheDir: ImageCacheDir,
ImageCacheFS: storageFs,
OCIRuntime: ociRuntime,
PodmanBinary: podmanBinary,
RunRoot: filepath.Join(tempDir, "crio-run"),
SignaturePolicyPath: filepath.Join(INTEGRATION_ROOT, "test/policy.json"),
StorageOptions: storageOptions,
TmpDir: tempDir,
// Timings: nil,
VarlinkBinary: VarlinkBinary,
VarlinkCommand: nil,
VarlinkEndpoint: endpoint,
VarlinkSession: nil,
}
return &eti
}
func (p *EndpointTestIntegration) Cleanup() {
// Remove all containers
// TODO Make methods to do all this?
p.stopAllContainers()
// TODO need to make stop all pods
p.StopVarlink()
// Nuke tempdir
if err := os.RemoveAll(p.TmpDir); err != nil {
fmt.Printf("%q\n", err)
}
// Clean up the registries configuration file ENV variable set in Create
resetRegistriesConfigEnv()
}
func (p *EndpointTestIntegration) listContainers() []iopodman.Container {
containers := p.Varlink("ListContainers", "", false)
var varlinkContainers map[string][]iopodman.Container
if err := json.Unmarshal(containers.OutputToBytes(), &varlinkContainers); err != nil {
logrus.Error("failed to unmarshal containers")
}
return varlinkContainers["containers"]
}
func (p *EndpointTestIntegration) stopAllContainers() {
containers := p.listContainers()
for _, container := range containers {
p.stopContainer(container.Id)
}
}
func (p *EndpointTestIntegration) stopContainer(cid string) {
p.Varlink("StopContainer", fmt.Sprintf("{\"name\":\"%s\", \"timeout\":0}", cid), false)
}
func resetRegistriesConfigEnv() {
os.Setenv("REGISTRIES_CONFIG_PATH", "")
}
func (p *EndpointTestIntegration) 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.Varlink("PullImage", fmt.Sprintf("{\"name\":\"%s\"}", image), false)
Expect(pull.ExitCode()).To(Equal(0))
imageSave := iopodman.ImageSaveOptions{
// Name:image,
// Output: destName,
// Format: "oci-archive",
}
imageSave.Name = image
imageSave.Output = destName
imageSave.Format = "oci-archive"
foo := make(map[string]iopodman.ImageSaveOptions)
foo["options"] = imageSave
f, _ := json.Marshal(foo)
save := p.Varlink("ImageSave", string(f), false)
result := save.OutputToMoreResponse()
Expect(save.ExitCode()).To(Equal(0))
Expect(os.Rename(result.Id, destName)).To(BeNil())
fmt.Printf("\n")
} else {
fmt.Printf(" already exists.\n")
}
}
func populateCache(p *EndpointTestIntegration) {
p.CrioRoot = p.ImageCacheDir
p.StartVarlink()
for _, image := range CACHE_IMAGES {
p.RestoreArtifactToCache(image)
}
p.StopVarlink()
}
func (p *EndpointTestIntegration) 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))
// fmt.Println(destName, p.ImageCacheDir)
load := p.Varlink("LoadImage", fmt.Sprintf("{\"name\": \"%s\", \"inputFile\": \"%s\"}", image, destName), false)
Expect(load.ExitCode()).To(BeZero())
return nil
}
func (p *EndpointTestIntegration) startTopContainer(name string) string {
t := true
args := iopodman.Create{
Args: []string{"docker.io/library/alpine:latest", "top"},
Tty: &t,
Detach: &t,
}
if len(name) > 0 {
args.Name = &name
}
b, err := json.Marshal(args)
if err != nil {
ginkgo.Fail("failed to marshal data for top container")
}
input := fmt.Sprintf("{\"create\":%s}", string(b))
top := p.Varlink("CreateContainer", input, false)
if top.ExitCode() != 0 {
ginkgo.Fail("failed to start top container")
}
start := p.Varlink("StartContainer", fmt.Sprintf("{\"name\":\"%s\"}", name), false)
if start.ExitCode() != 0 {
ginkgo.Fail("failed to start top container")
}
return start.OutputToString()
}
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