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

package integration

import (
	"os"
	"path/filepath"

	. "github.com/containers/libpod/test/utils"
	"github.com/ghodss/yaml"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"k8s.io/api/core/v1"
)

var _ = Describe("Podman generate kube", func() {
	var (
		tempdir    string
		err        error
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)

	})

	It("podman generate pod kube on bogus object", func() {
		session := podmanTest.Podman([]string{"generate", "kube", "foobar"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Not(Equal(0)))
	})

	It("podman generate service kube on bogus object", func() {
		session := podmanTest.Podman([]string{"generate", "kube", "-s", "foobar"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Not(Equal(0)))
	})

	It("podman generate kube on container", func() {
		session := podmanTest.RunTopContainer("top")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		kube := podmanTest.Podman([]string{"generate", "kube", "top"})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		_, err := yaml.Marshal(kube.OutputToString())
		Expect(err).To(BeNil())
	})

	It("podman generate service kube on container", func() {
		session := podmanTest.RunTopContainer("top")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		kube := podmanTest.Podman([]string{"generate", "kube", "-s", "top"})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		_, err := yaml.Marshal(kube.OutputToString())
		Expect(err).To(BeNil())
	})

	It("podman generate kube on pod", func() {
		_, rc, _ := podmanTest.CreatePod("toppod")
		Expect(rc).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("topcontainer", "toppod")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		kube := podmanTest.Podman([]string{"generate", "kube", "toppod"})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		_, err := yaml.Marshal(kube.OutputToString())
		Expect(err).To(BeNil())
	})

	It("podman generate service kube on pod", func() {
		_, rc, _ := podmanTest.CreatePod("toppod")
		Expect(rc).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("topcontainer", "toppod")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		kube := podmanTest.Podman([]string{"generate", "kube", "-s", "toppod"})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		_, err := yaml.Marshal(kube.OutputToString())
		Expect(err).To(BeNil())
	})

	It("podman generate kube on pod with ports", func() {
		podName := "test"
		podSession := podmanTest.Podman("pod", "create", "--name", podName, "-p", "4000:4000", "-p", "5000:5000")
		podSession.WaitWithDefaultTimeout()
		Expect(podSession.ExitCode()).To(Equal(0))

		ctr1Name := "ctr1"
		ctr1Session := podmanTest.Podman("create", "--name", ctr1Name, "--pod", podName, ALPINE, "top")
		ctr1Session.WaitWithDefaultTimeout()
		Expect(ctr1Session.ExitCode()).To(Equal(0))

		ctr2Name := "ctr2"
		ctr2Session := podmanTest.Podman("create", "--name", ctr2Name, "--pod", podName, ALPINE, "top")
		ctr2Session.WaitWithDefaultTimeout()
		Expect(ctr2Session.ExitCode()).To(Equal(0))

		kube := podmanTest.Podman([]string{"generate", "kube", podName})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		pod := new(v1.Pod)
		err := yaml.Unmarshal(kube.OutputToString(), pod)
		Expect(err).To(BeNil())

		foundPort4000 := 0
		foundPort5000 := 0
		foundOtherPort := 0
		for _, ctr := range pod.Spec.Containers {
			for _, port := range ctr.Ports {
				if port.HostPort == 4000 {
					foundPort4000 = foundPort4000 + 1
				} else if port.HostPort == 5000 {
					foundPort5000 = foundPort5000 + 1
				} else {
					foundOtherPort = foundOtherPort + 1
				}
			}
		}
		Expect(foundPort4000).To(Equal(1))
		Expect(foundPort5000).To(Equal(1))
		Expect(foundOtherPort).To(Equal(0))
	})

	It("podman generate and reimport kube on pod", func() {
		podName := "toppod"
		_, rc, _ := podmanTest.CreatePod(podName)
		Expect(rc).To(Equal(0))

		session := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test1", ALPINE, "top"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session2 := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test2", ALPINE, "top"})
		session2.WaitWithDefaultTimeout()
		Expect(session2.ExitCode()).To(Equal(0))

		outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
		kube := podmanTest.Podman([]string{"generate", "kube", "-f", outputFile, podName})
		kube.WaitWithDefaultTimeout()
		Expect(kube.ExitCode()).To(Equal(0))

		session3 := podmanTest.Podman([]string{"pod", "rm", "-af"})
		session3.WaitWithDefaultTimeout()
		Expect(session3.ExitCode()).To(Equal(0))

		session4 := podmanTest.Podman([]string{"play", "kube", outputFile})
		session4.WaitWithDefaultTimeout()
		Expect(session4.ExitCode()).To(Equal(0))

		session5 := podmanTest.Podman([]string{"pod", "ps"})
		session5.WaitWithDefaultTimeout()
		Expect(session5.ExitCode()).To(Equal(0))
		Expect(session5.OutputToString()).To(ContainSubstring(podName))

		session6 := podmanTest.Podman([]string{"ps", "-a"})
		session6.WaitWithDefaultTimeout()
		Expect(session6.ExitCode()).To(Equal(0))
		psOut := session6.OutputToString()
		Expect(psOut).To(ContainSubstring("test1"))
		Expect(psOut).To(ContainSubstring("test2"))
	})
})