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path: root/test/e2e/libpod_suite_test.go
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// +build !remoteclient

package integration

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"strings"

	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/pkg/inspect"
	. "github.com/containers/libpod/test/utils"
	"github.com/onsi/ginkgo"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gexec"
)

func SkipIfRemote() {}

func SkipIfRootless() {
	ginkgo.Skip("This function is not enabled for rootless podman")
}

// Podman is the exec call to podman on the filesystem
func (p *PodmanTestIntegration) Podman(args []string) *PodmanSessionIntegration {
	podmanSession := p.PodmanBase(args)
	return &PodmanSessionIntegration{podmanSession}
}

// 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)
	return &PodmanSessionIntegration{podmanSession}
}

// PodmanPID execs podman and returns its PID
func (p *PodmanTestIntegration) PodmanPID(args []string) (*PodmanSessionIntegration, int) {
	podmanOptions := p.MakeOptions(args)
	fmt.Printf("Running: %s %s\n", p.PodmanBinary, strings.Join(podmanOptions, " "))
	command := exec.Command(p.PodmanBinary, podmanOptions...)
	session, err := gexec.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", "--timeout", "0"})
	stopall.WaitWithDefaultTimeout()
	session := p.Podman([]string{"rm", "-fa"})
	session.Wait(90)
	// 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()
}

// CleanupPod cleans up the temporary store
func (p *PodmanTestIntegration) CleanupPod() {
	// Remove all containers
	session := p.Podman([]string{"pod", "rm", "-fa"})
	session.Wait(90)
	// Nuke tempdir
	if err := os.RemoveAll(p.TempDir); err != nil {
		fmt.Printf("%q\n", err)
	}
}

// CleanupVolume cleans up the temporary store
func (p *PodmanTestIntegration) CleanupVolume() {
	// Remove all containers
	session := p.Podman([]string{"volume", "rm", "-fa"})
	session.Wait(90)
	// Nuke tempdir
	if err := os.RemoveAll(p.TempDir); err != nil {
		fmt.Printf("%q\n", err)
	}
}

// PullImages pulls multiple images
func (p *PodmanTestIntegration) PullImages(images []string) error {
	for _, i := range images {
		p.PullImage(i)
	}
	return nil
}

// PullImage pulls a single image
// TODO should the timeout be configurable?
func (p *PodmanTestIntegration) PullImage(image string) error {
	session := p.Podman([]string{"pull", image})
	session.Wait(60)
	Expect(session.ExitCode()).To(Equal(0))
	return nil
}

// InspectContainerToJSON takes the session output of an inspect
// container and returns json
func (s *PodmanSessionIntegration) InspectContainerToJSON() []inspect.ContainerData {
	var i []inspect.ContainerData
	err := json.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() libpod.PodInspect {
	var i libpod.PodInspect
	err := json.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(name string) (*PodmanSessionIntegration, int, string) {
	var podmanArgs = []string{"pod", "create", "--infra=false", "--share", ""}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	session := p.Podman(podmanArgs)
	session.WaitWithDefaultTimeout()
	return session, session.ExitCode(), session.OutputToString()
}

//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 {
	var podmanArgs = []string{"run"}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
	return p.Podman(podmanArgs)
}

func (p *PodmanTestIntegration) RunTopContainerInPod(name, pod string) *PodmanSessionIntegration {
	var podmanArgs = []string{"run", "--pod", pod}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	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()
}

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(120)
	Expect(session.ExitCode()).To(Equal(0))
}

func (p *PodmanTestIntegration) setDefaultRegistriesConfigEnv() {
	defaultFile := filepath.Join(INTEGRATION_ROOT, "test/registries.conf")
	os.Setenv("REGISTRIES_CONFIG_PATH", defaultFile)
}

func (p *PodmanTestIntegration) setRegistriesConfigEnv(b []byte) {
	outfile := filepath.Join(p.TempDir, "registries.conf")
	os.Setenv("REGISTRIES_CONFIG_PATH", outfile)
	ioutil.WriteFile(outfile, b, 0644)
}

func resetRegistriesConfigEnv() {
	os.Setenv("REGISTRIES_CONFIG_PATH", "")
}

func PodmanTestCreate(tempDir string) *PodmanTestIntegration {
	return PodmanTestCreateUtil(tempDir, false)
}

//MakeOptions assembles all the podman main options
func (p *PodmanTestIntegration) makeOptions(args []string) []string {
	podmanOptions := strings.Split(fmt.Sprintf("--root %s --runroot %s --runtime %s --conmon %s --cni-config-dir %s --cgroup-manager %s --tmpdir %s",
		p.CrioRoot, p.RunRoot, p.OCIRuntime, p.ConmonBinary, p.CNIConfigDir, p.CgroupManager, p.TmpDir), " ")
	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
}

// RestoreArtifact puts the cached image into our test store
func (p *PodmanTestIntegration) RestoreArtifact(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))
	restore := p.Podman([]string{"load", "-q", "-i", destName})
	restore.Wait(90)
	return nil
}