podman/test/e2e/generate_kube_test.go

1128 lines
40 KiB
Go

package integration
import (
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/util"
. "github.com/containers/podman/v3/test/utils"
"github.com/ghodss/yaml"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
v1 "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).To(ExitWithError())
})
It("podman generate service kube on bogus object", func() {
session := podmanTest.Podman([]string{"generate", "kube", "-s", "foobar"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
})
It("podman generate kube on container", func() {
session := podmanTest.RunTopContainer("top")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(false))
Expect(pod.Spec.SecurityContext).To(BeNil())
Expect(pod.Spec.DNSConfig).To(BeNil())
Expect(pod.Spec.Containers[0].WorkingDir).To(Equal(""))
Expect(pod.Spec.Containers[0].Env).To(BeNil())
Expect(pod.Name).To(Equal("top_pod"))
numContainers := 0
for range pod.Spec.Containers {
numContainers = numContainers + 1
}
Expect(numContainers).To(Equal(1))
})
It("podman generate service kube on container with --security-opt level", func() {
session := podmanTest.Podman([]string{"create", "--name", "test", "--security-opt", "label=level:s0:c100,c200", "alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "test"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(kube.OutputToString()).To(ContainSubstring("level: s0:c100,c200"))
})
It("podman generate service kube on container with --security-opt disable", func() {
session := podmanTest.Podman([]string{"create", "--name", "test-disable", "--security-opt", "label=disable", "alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "test-disable"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(kube.OutputToString()).To(ContainSubstring("type: spc_t"))
})
It("podman generate service kube on container with --security-opt type", func() {
session := podmanTest.Podman([]string{"create", "--name", "test", "--security-opt", "label=type:foo_bar_t", "alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "test"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(kube.OutputToString()).To(ContainSubstring("type: foo_bar_t"))
})
It("podman generate service kube on container - targetPort should match port name", func() {
session := podmanTest.Podman([]string{"create", "--name", "test-ctr", "-p", "3890:3890", ALPINE, "ls"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "-s", "test-ctr"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Separate out the Service and Pod yaml
arr := strings.Split(string(kube.Out.Contents()), "---")
Expect(arr).To(HaveLen(2))
svc := new(v1.Service)
err := yaml.Unmarshal([]byte(arr[0]), svc)
Expect(err).To(BeNil())
Expect(svc.Spec.Ports).To(HaveLen(1))
Expect(svc.Spec.Ports[0].TargetPort.IntValue()).To(Equal(3890))
pod := new(v1.Pod)
err = yaml.Unmarshal([]byte(arr[1]), pod)
Expect(err).To(BeNil())
})
It("podman generate kube on pod", func() {
_, rc, _ := podmanTest.CreatePod(map[string][]string{"--name": {"toppod"}})
Expect(rc).To(Equal(0))
session := podmanTest.RunTopContainerInPod("topcontainer", "toppod")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "toppod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(false))
numContainers := 0
for range pod.Spec.Containers {
numContainers = numContainers + 1
}
Expect(numContainers).To(Equal(1))
})
It("podman generate kube multiple pods", func() {
pod1 := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:pod1", ALPINE, "top"})
pod1.WaitWithDefaultTimeout()
Expect(pod1).Should(Exit(0))
pod2 := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:pod2", ALPINE, "top"})
pod2.WaitWithDefaultTimeout()
Expect(pod2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "pod1", "pod2"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
Expect(string(kube.Out.Contents())).To(ContainSubstring(`name: pod1`))
Expect(string(kube.Out.Contents())).To(ContainSubstring(`name: pod2`))
})
It("podman generate kube on pod with init containers", func() {
session := podmanTest.Podman([]string{"create", "--pod", "new:toppod", "--init-ctr", "always", ALPINE, "echo", "hello"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "toppod", "--init-ctr", "always", ALPINE, "echo", "world"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "toppod", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "toppod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(false))
numContainers := len(pod.Spec.Containers) + len(pod.Spec.InitContainers)
Expect(numContainers).To(Equal(3))
// Init container should be in the generated kube yaml if created with "once" type and the pod has not been started
session = podmanTest.Podman([]string{"create", "--pod", "new:toppod-2", "--init-ctr", "once", ALPINE, "echo", "using once type"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "toppod-2", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube = podmanTest.Podman([]string{"generate", "kube", "toppod-2"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod = new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(false))
numContainers = len(pod.Spec.Containers) + len(pod.Spec.InitContainers)
Expect(numContainers).To(Equal(2))
// Init container should not be in the generated kube yaml if created with "once" type and the pod has been started
session = podmanTest.Podman([]string{"create", "--pod", "new:toppod-3", "--init-ctr", "once", ALPINE, "echo", "using once type"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "toppod-3", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"pod", "start", "toppod-3"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube = podmanTest.Podman([]string{"generate", "kube", "toppod-3"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod = new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(false))
numContainers = len(pod.Spec.Containers) + len(pod.Spec.InitContainers)
Expect(numContainers).To(Equal(1))
})
It("podman generate kube on pod with host network", func() {
podSession := podmanTest.Podman([]string{"pod", "create", "--name", "testHostNetwork", "--network", "host"})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
session := podmanTest.Podman([]string{"create", "--name", "topcontainer", "--pod", "testHostNetwork", "--network", "host", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "testHostNetwork"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(true))
})
It("podman generate kube on container with host network", func() {
session := podmanTest.RunTopContainerWithArgs("topcontainer", []string{"--network", "host"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "topcontainer"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostNetwork).To(Equal(true))
})
It("podman generate kube on pod with hostAliases", func() {
podName := "testHost"
testIP := "127.0.0.1"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName,
"--add-host", "test1.podman.io" + ":" + testIP,
"--add-host", "test2.podman.io" + ":" + testIP,
})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
ctr1Name := "ctr1"
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctr1Name, "--pod", podName, ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session).Should(Exit(0))
ctr2Name := "ctr2"
ctr2Session := podmanTest.Podman([]string{"create", "--name", ctr2Name, "--pod", podName, ALPINE, "top"})
ctr2Session.WaitWithDefaultTimeout()
Expect(ctr2Session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.HostAliases).To(HaveLen(2))
Expect(pod.Spec.HostAliases[0].IP).To(Equal(testIP))
Expect(pod.Spec.HostAliases[1].IP).To(Equal(testIP))
})
It("podman generate service kube on pod", func() {
session := podmanTest.Podman([]string{"create", "--pod", "new:test-pod", "-p", "4000:4000/udp", ALPINE, "ls"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "-s", "test-pod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Separate out the Service and Pod yaml
arr := strings.Split(string(kube.Out.Contents()), "---")
Expect(arr).To(HaveLen(2))
svc := new(v1.Service)
err := yaml.Unmarshal([]byte(arr[0]), svc)
Expect(err).To(BeNil())
Expect(svc.Spec.Ports).To(HaveLen(1))
Expect(svc.Spec.Ports[0].TargetPort.IntValue()).To(Equal(4000))
Expect(svc.Spec.Ports[0].Protocol).To(Equal(v1.ProtocolUDP))
pod := new(v1.Pod)
err = yaml.Unmarshal([]byte(arr[1]), pod)
Expect(err).To(BeNil())
})
It("podman generate kube on pod with restartPolicy", func() {
// podName, set, expect
testSli := [][]string{
{"testPod1", "", "Never"}, // some pod create from cmdline, so set it to Never
{"testPod2", "always", "Always"},
{"testPod3", "on-failure", "OnFailure"},
{"testPod4", "no", "Never"},
}
for k, v := range testSli {
podName := v[0]
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
ctrName := "ctr" + strconv.Itoa(k)
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctrName, "--pod", podName,
"--restart", v[1], ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(string(pod.Spec.RestartPolicy)).To(Equal(v[2]))
}
})
It("podman generate kube on pod with memory limit", func() {
podName := "testMemoryLimit"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
ctr1Name := "ctr1"
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctr1Name, "--pod", podName, "--memory", "10Mi", ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
for _, ctr := range pod.Spec.Containers {
memoryLimit, _ := ctr.Resources.Limits.Memory().AsInt64()
Expect(memoryLimit).To(Equal(int64(10 * 1024 * 1024)))
}
})
It("podman generate kube on pod with cpu limit", func() {
podName := "testCpuLimit"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
ctr1Name := "ctr1"
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctr1Name, "--pod", podName,
"--cpus", "0.5", ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session).Should(Exit(0))
ctr2Name := "ctr2"
ctr2Session := podmanTest.Podman([]string{"create", "--name", ctr2Name, "--pod", podName,
"--cpu-period", "100000", "--cpu-quota", "50000", ALPINE, "top"})
ctr2Session.WaitWithDefaultTimeout()
Expect(ctr2Session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
for _, ctr := range pod.Spec.Containers {
cpuLimit := ctr.Resources.Limits.Cpu().MilliValue()
Expect(cpuLimit).To(Equal(int64(500)))
}
})
It("podman generate kube on pod with ports", func() {
podName := "test"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName, "-p", "4000:4000", "-p", "5000:5000"})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
ctr1Name := "ctr1"
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctr1Name, "--pod", podName, ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session).Should(Exit(0))
ctr2Name := "ctr2"
ctr2Session := podmanTest.Podman([]string{"create", "--name", ctr2Name, "--pod", podName, ALPINE, "top"})
ctr2Session.WaitWithDefaultTimeout()
Expect(ctr2Session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
foundPort4000 := 0
foundPort5000 := 0
foundOtherPort := 0
for _, ctr := range pod.Spec.Containers {
for _, port := range ctr.Ports {
// Since we are using tcp here, the generated kube yaml shouldn't
// have anything for protocol under the ports as tcp is the default
// for k8s
Expect(port.Protocol).To(BeEmpty())
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))
// Create container with UDP port and check the generated kube yaml
ctrWithUDP := podmanTest.Podman([]string{"create", "--pod", "new:test-pod", "-p", "6666:66/udp", ALPINE, "top"})
ctrWithUDP.WaitWithDefaultTimeout()
Expect(ctrWithUDP).Should(Exit(0))
kube = podmanTest.Podman([]string{"generate", "kube", "test-pod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod = new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers := pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Ports).To(HaveLen(1))
Expect(containers[0].Ports[0].Protocol).To(Equal(v1.ProtocolUDP))
})
It("podman generate and reimport kube on pod", func() {
podName := "toppod"
_, rc, _ := podmanTest.CreatePod(map[string][]string{"--name": {podName}})
Expect(rc).To(Equal(0))
session := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test1", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session2 := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test2", ALPINE, "top"})
session2.WaitWithDefaultTimeout()
Expect(session2).Should(Exit(0))
outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
kube := podmanTest.Podman([]string{"generate", "kube", "-f", outputFile, podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
session3 := podmanTest.Podman([]string{"pod", "rm", "-af"})
session3.WaitWithDefaultTimeout()
Expect(session3).Should(Exit(0))
session4 := podmanTest.Podman([]string{"play", "kube", outputFile})
session4.WaitWithDefaultTimeout()
Expect(session4).Should(Exit(0))
session5 := podmanTest.Podman([]string{"pod", "ps"})
session5.WaitWithDefaultTimeout()
Expect(session5).Should(Exit(0))
Expect(session5.OutputToString()).To(ContainSubstring(podName))
session6 := podmanTest.Podman([]string{"ps", "-a"})
session6.WaitWithDefaultTimeout()
Expect(session6).Should(Exit(0))
psOut := session6.OutputToString()
Expect(psOut).To(ContainSubstring("test1"))
Expect(psOut).To(ContainSubstring("test2"))
})
It("podman generate with user and reimport kube on pod", func() {
podName := "toppod"
_, rc, _ := podmanTest.CreatePod(map[string][]string{"--name": {podName}})
Expect(rc).To(Equal(0))
session := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test1", "--user", "100:200", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
inspect := podmanTest.Podman([]string{"inspect", "--format", "{{.Config.User}}", "test1"})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring("100:200"))
outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
kube := podmanTest.Podman([]string{"generate", "kube", "-f", outputFile, podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
session = podmanTest.Podman([]string{"pod", "rm", "-af"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
podmanTest.AddImageToRWStore(ALPINE)
session = podmanTest.Podman([]string{"play", "kube", outputFile})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// container name in pod is <podName>-<ctrName>
inspect1 := podmanTest.Podman([]string{"inspect", "--format", "{{.Config.User}}", "toppod-test1"})
inspect1.WaitWithDefaultTimeout()
Expect(inspect1).Should(Exit(0))
Expect(inspect1.OutputToString()).To(ContainSubstring(inspect.OutputToString()))
})
It("podman generate kube with volume", func() {
vol1 := filepath.Join(podmanTest.TempDir, "vol-test1")
err := os.MkdirAll(vol1, 0755)
Expect(err).To(BeNil())
// we need a container name because IDs don't persist after rm/play
ctrName := "test-ctr"
ctrNameInKubePod := "test1-test-ctr"
session1 := podmanTest.Podman([]string{"run", "-d", "--pod", "new:test1", "--name", ctrName, "-v", vol1 + ":/volume/:z", "alpine", "top"})
session1.WaitWithDefaultTimeout()
Expect(session1).Should(Exit(0))
outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
kube := podmanTest.Podman([]string{"generate", "kube", "test1", "-f", outputFile})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
b, err := ioutil.ReadFile(outputFile)
Expect(err).ShouldNot(HaveOccurred())
pod := new(v1.Pod)
err = yaml.Unmarshal(b, pod)
Expect(err).To(BeNil())
Expect(pod.Annotations).To(HaveKeyWithValue(define.BindMountPrefix+vol1, HaveSuffix("z")))
rm := podmanTest.Podman([]string{"pod", "rm", "-t", "0", "-f", "test1"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(Exit(0))
play := podmanTest.Podman([]string{"play", "kube", outputFile})
play.WaitWithDefaultTimeout()
Expect(play).Should(Exit(0))
inspect := podmanTest.Podman([]string{"inspect", ctrNameInKubePod})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(vol1))
})
It("podman generate kube when bind-mounting '/' and '/root' at the same time ", func() {
// Fixes https://github.com/containers/podman/issues/9764
ctrName := "mount-root-ctr"
session1 := podmanTest.Podman([]string{"run", "-d", "--pod", "new:mount-root-conflict", "--name", ctrName,
"-v", "/:/volume1/",
"-v", "/root:/volume2/",
"alpine", "top"})
session1.WaitWithDefaultTimeout()
Expect(session1).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "mount-root-conflict"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.Volumes).To(HaveLen(2))
})
It("podman generate kube with persistent volume claim", func() {
vol := "vol-test-persistent-volume-claim"
// we need a container name because IDs don't persist after rm/play
ctrName := "test-persistent-volume-claim"
ctrNameInKubePod := "test1-test-persistent-volume-claim"
session := podmanTest.Podman([]string{"run", "-d", "--pod", "new:test1", "--name", ctrName, "-v", vol + ":/volume/:z", "alpine", "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
kube := podmanTest.Podman([]string{"generate", "kube", "test1", "-f", outputFile})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
rm := podmanTest.Podman([]string{"pod", "rm", "-t", "0", "-f", "test1"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(Exit(0))
play := podmanTest.Podman([]string{"play", "kube", outputFile})
play.WaitWithDefaultTimeout()
Expect(play).Should(Exit(0))
inspect := podmanTest.Podman([]string{"inspect", ctrNameInKubePod})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(vol))
})
It("podman generate kube sharing pid namespace", func() {
podName := "test"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName, "--share", "pid"})
podSession.WaitWithDefaultTimeout()
Expect(podSession).Should(Exit(0))
session := podmanTest.Podman([]string{"create", "--pod", podName, "--name", "test1", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
outputFile := filepath.Join(podmanTest.RunRoot, "pod.yaml")
kube := podmanTest.Podman([]string{"generate", "kube", podName, "-f", outputFile})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
rm := podmanTest.Podman([]string{"pod", "rm", "-t", "0", "-f", podName})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(Exit(0))
play := podmanTest.Podman([]string{"play", "kube", outputFile})
play.WaitWithDefaultTimeout()
Expect(play).Should(Exit(0))
inspect := podmanTest.Podman([]string{"pod", "inspect", podName})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(`"pid"`))
})
It("podman generate kube with pods and containers", func() {
pod1 := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:pod1", ALPINE, "top"})
pod1.WaitWithDefaultTimeout()
Expect(pod1).Should(Exit(0))
pod2 := podmanTest.Podman([]string{"run", "-dt", "--name", "top", ALPINE, "top"})
pod2.WaitWithDefaultTimeout()
Expect(pod2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "pod1", "top"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
})
It("podman generate kube with containers in a pod should fail", func() {
pod1 := podmanTest.Podman([]string{"pod", "create", "--name", "pod1"})
pod1.WaitWithDefaultTimeout()
Expect(pod1).Should(Exit(0))
con := podmanTest.Podman([]string{"run", "-dt", "--pod", "pod1", "--name", "top", ALPINE, "top"})
con.WaitWithDefaultTimeout()
Expect(con).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top"})
kube.WaitWithDefaultTimeout()
Expect(kube).To(ExitWithError())
})
It("podman generate kube with multiple containers", func() {
con1 := podmanTest.Podman([]string{"run", "-dt", "--name", "con1", ALPINE, "top"})
con1.WaitWithDefaultTimeout()
Expect(con1).Should(Exit(0))
con2 := podmanTest.Podman([]string{"run", "-dt", "--name", "con2", ALPINE, "top"})
con2.WaitWithDefaultTimeout()
Expect(con2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "con1", "con2"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
})
It("podman generate kube with containers in pods should fail", func() {
pod1 := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:pod1", "--name", "top1", ALPINE, "top"})
pod1.WaitWithDefaultTimeout()
Expect(pod1).Should(Exit(0))
pod2 := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:pod2", "--name", "top2", ALPINE, "top"})
pod2.WaitWithDefaultTimeout()
Expect(pod2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top1", "top2"})
kube.WaitWithDefaultTimeout()
Expect(kube).To(ExitWithError())
})
It("podman generate kube on a container with dns options", func() {
top := podmanTest.Podman([]string{"run", "-dt", "--name", "top", "--dns", "8.8.8.8", "--dns-search", "foobar.com", "--dns-opt", "color:blue", ALPINE, "top"})
top.WaitWithDefaultTimeout()
Expect(top).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.DNSConfig.Nameservers).To(ContainElement("8.8.8.8"))
Expect(pod.Spec.DNSConfig.Searches).To(ContainElement("foobar.com"))
Expect(len(pod.Spec.DNSConfig.Options)).To(BeNumerically(">", 0))
Expect(pod.Spec.DNSConfig.Options[0].Name).To(Equal("color"))
Expect(*pod.Spec.DNSConfig.Options[0].Value).To(Equal("blue"))
})
It("podman generate kube multiple container dns servers and options are cumulative", func() {
top1 := podmanTest.Podman([]string{"run", "-dt", "--name", "top1", "--dns", "8.8.8.8", "--dns-search", "foobar.com", ALPINE, "top"})
top1.WaitWithDefaultTimeout()
Expect(top1).Should(Exit(0))
top2 := podmanTest.Podman([]string{"run", "-dt", "--name", "top2", "--dns", "8.7.7.7", "--dns-search", "homer.com", ALPINE, "top"})
top2.WaitWithDefaultTimeout()
Expect(top2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top1", "top2"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.DNSConfig.Nameservers).To(ContainElement("8.8.8.8"))
Expect(pod.Spec.DNSConfig.Nameservers).To(ContainElement("8.7.7.7"))
Expect(pod.Spec.DNSConfig.Searches).To(ContainElement("foobar.com"))
Expect(pod.Spec.DNSConfig.Searches).To(ContainElement("homer.com"))
})
It("podman generate kube on a pod with dns options", func() {
top := podmanTest.Podman([]string{"run", "--pod", "new:pod1", "-dt", "--name", "top", "--dns", "8.8.8.8", "--dns-search", "foobar.com", "--dns-opt", "color:blue", ALPINE, "top"})
top.WaitWithDefaultTimeout()
Expect(top).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "pod1"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.DNSConfig.Nameservers).To(ContainElement("8.8.8.8"))
Expect(pod.Spec.DNSConfig.Searches).To(ContainElement("foobar.com"))
Expect(len(pod.Spec.DNSConfig.Options)).To(BeNumerically(">", 0))
Expect(pod.Spec.DNSConfig.Options[0].Name).To(Equal("color"))
Expect(*pod.Spec.DNSConfig.Options[0].Value).To(Equal("blue"))
})
It("podman generate kube - set entrypoint as command", func() {
session := podmanTest.Podman([]string{"create", "--pod", "new:testpod", "--entrypoint", "/bin/sleep", ALPINE, "10s"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "testpod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the container's command is set to the
// entrypoint and it's arguments to "10s".
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers := pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Command).To(Equal([]string{"/bin/sleep"}))
Expect(containers[0].Args).To(Equal([]string{"10s"}))
})
It("podman generate kube - use command from image unless explicitly set in the podman command", func() {
session := podmanTest.Podman([]string{"create", "--name", "test", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "test"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the container's command in the kube yaml is not set to the
// image command.
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers := pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Command).To(BeEmpty())
cmd := []string{"echo", "hi"}
session = podmanTest.Podman(append([]string{"create", "--name", "test1", ALPINE}, cmd...))
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube = podmanTest.Podman([]string{"generate", "kube", "test1"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the container's command in the kube yaml is set to the
// command passed via the cli to podman create.
pod = new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers = pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Command).To(Equal(cmd))
})
It("podman generate kube - use entrypoint from image unless --entrypoint is set", func() {
// Build an image with an entrypoint.
containerfile := `FROM quay.io/libpod/alpine:latest
ENTRYPOINT ["sleep"]`
targetPath, err := CreateTempDirInTempDir()
Expect(err).To(BeNil())
containerfilePath := filepath.Join(targetPath, "Containerfile")
err = ioutil.WriteFile(containerfilePath, []byte(containerfile), 0644)
Expect(err).To(BeNil())
image := "generatekube:test"
session := podmanTest.Podman([]string{"build", "--pull-never", "-f", containerfilePath, "-t", image})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "new:testpod", image, "10s"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "testpod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the container's command in the kube yaml is NOT set to the
// entrypoint but the arguments should be set to "10s".
pod := new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers := pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Args).To(Equal([]string{"10s"}))
session = podmanTest.Podman([]string{"create", "--pod", "new:testpod-2", "--entrypoint", "echo", image, "hello"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube = podmanTest.Podman([]string{"generate", "kube", "testpod-2"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the container's command in the kube yaml is set to the
// entrypoint defined by the --entrypoint flag and the arguments should be set to "hello".
pod = new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers = pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].Command).To(Equal([]string{"echo"}))
Expect(containers[0].Args).To(Equal([]string{"hello"}))
})
It("podman generate kube - --privileged container", func() {
session := podmanTest.Podman([]string{"create", "--pod", "new:testpod", "--privileged", ALPINE, "ls"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "testpod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Now make sure that the capabilities aren't set.
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
containers := pod.Spec.Containers
Expect(containers).To(HaveLen(1))
Expect(containers[0].SecurityContext.Capabilities).To(BeNil())
// Now make sure we can also `play` it.
kubeFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
kube = podmanTest.Podman([]string{"generate", "kube", "testpod", "-f", kubeFile})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
// Remove the pod so play can recreate it.
kube = podmanTest.Podman([]string{"pod", "rm", "-t", "0", "-f", "testpod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
kube = podmanTest.Podman([]string{"play", "kube", kubeFile})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
})
It("podman generate kube based on user in container", func() {
// Build an image with an entrypoint.
containerfile := `FROM quay.io/libpod/alpine:latest
RUN adduser -u 10001 -S test1
USER test1`
targetPath, err := CreateTempDirInTempDir()
Expect(err).To(BeNil())
containerfilePath := filepath.Join(targetPath, "Containerfile")
err = ioutil.WriteFile(containerfilePath, []byte(containerfile), 0644)
Expect(err).To(BeNil())
image := "generatekube:test"
session := podmanTest.Podman([]string{"build", "--pull-never", "-f", containerfilePath, "-t", image})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--pod", "new:testpod", image, "test1"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "testpod"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err = yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.Containers[0].SecurityContext.RunAsUser).To(BeNil())
})
It("podman generate kube on named volume", func() {
vol := "simple-named-volume"
session := podmanTest.Podman([]string{"volume", "create", vol})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", vol})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pvc := new(v1.PersistentVolumeClaim)
err := yaml.Unmarshal(kube.Out.Contents(), pvc)
Expect(err).To(BeNil())
Expect(pvc.GetName()).To(Equal(vol))
Expect(pvc.Spec.AccessModes[0]).To(Equal(v1.ReadWriteOnce))
Expect(pvc.Spec.Resources.Requests.Storage().String()).To(Equal("1Gi"))
})
It("podman generate kube on named volume with options", func() {
vol := "complex-named-volume"
volDevice := "tmpfs"
volType := "tmpfs"
volOpts := "nodev,noexec"
session := podmanTest.Podman([]string{"volume", "create", "--opt", "device=" + volDevice, "--opt", "type=" + volType, "--opt", "o=" + volOpts, vol})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", vol})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pvc := new(v1.PersistentVolumeClaim)
err := yaml.Unmarshal(kube.Out.Contents(), pvc)
Expect(err).To(BeNil())
Expect(pvc.GetName()).To(Equal(vol))
Expect(pvc.Spec.AccessModes[0]).To(Equal(v1.ReadWriteOnce))
Expect(pvc.Spec.Resources.Requests.Storage().String()).To(Equal("1Gi"))
for k, v := range pvc.GetAnnotations() {
switch k {
case util.VolumeDeviceAnnotation:
Expect(v).To(Equal(volDevice))
case util.VolumeTypeAnnotation:
Expect(v).To(Equal(volType))
case util.VolumeMountOptsAnnotation:
Expect(v).To(Equal(volOpts))
}
}
})
It("podman generate kube on container with auto update labels", func() {
top := podmanTest.Podman([]string{"run", "-dt", "--name", "top", "--label", "io.containers.autoupdate=local", ALPINE, "top"})
top.WaitWithDefaultTimeout()
Expect(top).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "top"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.GetAnnotations()).To(HaveKeyWithValue("io.containers.autoupdate/top", "local"))
})
It("podman generate kube on pod with auto update labels in all containers", func() {
pod1 := podmanTest.Podman([]string{"pod", "create", "--name", "pod1"})
pod1.WaitWithDefaultTimeout()
Expect(pod1).Should(Exit(0))
top1 := podmanTest.Podman([]string{"run", "-dt", "--name", "top1", "--pod", "pod1", "--label", "io.containers.autoupdate=registry", "--label", "io.containers.autoupdate.authfile=/some/authfile.json", ALPINE, "top"})
top1.WaitWithDefaultTimeout()
Expect(top1).Should(Exit(0))
top2 := podmanTest.Podman([]string{"run", "-dt", "--name", "top2", "--workdir", "/root", "--pod", "pod1", "--label", "io.containers.autoupdate=registry", "--label", "io.containers.autoupdate.authfile=/some/authfile.json", ALPINE, "top"})
top2.WaitWithDefaultTimeout()
Expect(top2).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", "pod1"})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.Containers[0].WorkingDir).To(Equal(""))
Expect(pod.Spec.Containers[1].WorkingDir).To(Equal("/root"))
for _, ctr := range []string{"top1", "top2"} {
Expect(pod.GetAnnotations()).To(HaveKeyWithValue("io.containers.autoupdate/"+ctr, "registry"))
Expect(pod.GetAnnotations()).To(HaveKeyWithValue("io.containers.autoupdate.authfile/"+ctr, "/some/authfile.json"))
}
})
It("podman generate kube can export env variables correctly", func() {
// Fixes https://github.com/containers/podman/issues/12647
// PR https://github.com/containers/podman/pull/12648
ctrName := "gen-kube-env-ctr"
podName := "gen-kube-env"
session1 := podmanTest.Podman([]string{"run", "-d", "--pod", "new:" + podName, "--name", ctrName,
"-e", "FOO=bar",
"-e", "HELLO=WORLD",
"alpine", "top"})
session1.WaitWithDefaultTimeout()
Expect(session1).Should(Exit(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube).Should(Exit(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(pod.Spec.Containers[0].Env).To(HaveLen(2))
})
})