mirror of
https://github.com/containers/podman.git
synced 2025-08-03 01:37:51 +08:00
27679d80b8
for podman pod create, when we are not sharing any namespaces there is no point for the infra container. This is especially true since resources have also been decoupled from the container recently. handle this on the cmd level so that we can still create infra if set explicitly resolves #15048 Signed-off-by: Charlie Doern <cdoern@redhat.com>
455 lines
16 KiB
Go
455 lines
16 KiB
Go
package integration
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import (
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"os"
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"strconv"
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. "github.com/containers/podman/v4/test/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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var _ = Describe("Podman pod create", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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It("podman create infra container", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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check := podmanTest.Podman([]string{"pod", "ps", "-q", "--no-trunc"})
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check.WaitWithDefaultTimeout()
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Expect(check.OutputToString()).To(ContainSubstring(podID))
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Expect(check.OutputToStringArray()).To(HaveLen(1))
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check = podmanTest.Podman([]string{"ps", "-qa", "--no-trunc"})
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check.WaitWithDefaultTimeout()
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Expect(check.OutputToStringArray()).To(HaveLen(1))
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})
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It("podman start infra container", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"ps", "-qa", "--no-trunc", "--filter", "status=running"})
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check.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(check.OutputToStringArray()).To(HaveLen(1))
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})
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It("podman start infra container different image", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--infra-image", BB})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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// If we use the default entry point, we should exit with no error
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Expect(session).Should(Exit(0))
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})
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It("podman infra container namespaces", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.RunTopContainerInPod("", podID)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"ps", "-a", "--no-trunc", "--ns", "--format", "{{.Namespaces.IPC}} {{.Namespaces.NET}}"})
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check.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(check.OutputToStringArray()).To(HaveLen(2))
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Expect(check.OutputToStringArray()[0]).To(Equal(check.OutputToStringArray()[1]))
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check = podmanTest.Podman([]string{"ps", "-a", "--no-trunc", "--ns", "--format", "{{.IPC}} {{.NET}}"})
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check.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(check.OutputToStringArray()).To(HaveLen(2))
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Expect(check.OutputToStringArray()[0]).To(Equal(check.OutputToStringArray()[1]))
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})
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It("podman pod correctly sets up NetNS", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "net"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "-d", "--pod", podID, NGINX_IMAGE})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, fedoraMinimal, "curl", "-f", "localhost:80"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", fedoraMinimal, "curl", "-f", "localhost"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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session = podmanTest.Podman([]string{"pod", "create", "--network", "host"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--name", "hostCtr", "--pod", session.OutputToString(), ALPINE, "readlink", "/proc/self/ns/net"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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ns := SystemExec("readlink", []string{"/proc/self/ns/net"})
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ns.WaitWithDefaultTimeout()
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Expect(ns).Should(Exit(0))
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netns := ns.OutputToString()
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Expect(netns).ToNot(BeEmpty())
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Expect(session.OutputToString()).To(Equal(netns))
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// Sanity Check for podman inspect
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session = podmanTest.Podman([]string{"inspect", "--format", "'{{.NetworkSettings.SandboxKey}}'", "hostCtr"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(session.OutputToString()).Should(Equal("''")) // no network path... host
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})
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It("podman pod correctly sets up IPCNS", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "ipc"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, fedoraMinimal, "/bin/sh", "-c", "'touch /dev/shm/hi'"})
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session.WaitWithDefaultTimeout()
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if session.ExitCode() != 0 {
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Skip("ShmDir not initialized, skipping...")
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}
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, fedoraMinimal, "/bin/sh", "-c", "'ls /dev/shm'"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(session.OutputToString()).To(Equal("hi"))
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})
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It("podman pod correctly sets up PIDNS", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "pid", "--name", "test-pod"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.RunTopContainerInPod("test-ctr", podID)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"top", "test-ctr", "pid"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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PIDs := check.OutputToStringArray()
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Expect(PIDs).To(HaveLen(3))
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ctrPID, _ := strconv.Atoi(PIDs[1])
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infraPID, _ := strconv.Atoi(PIDs[2])
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Expect(ctrPID).To(BeNumerically("<", infraPID))
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})
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It("podman pod doesn't share PIDNS if requested to not", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "net", "--name", "test-pod"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.RunTopContainerInPod("test-ctr", podID)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"top", "test-ctr", "pid"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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ctrTop := check.OutputToStringArray()
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check = podmanTest.Podman([]string{"top", podID[:12] + "-infra", "pid"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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infraTop := check.OutputToStringArray()
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ctrPID, _ := strconv.Atoi(ctrTop[1])
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infraPID, _ := strconv.Atoi(infraTop[1])
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Expect(ctrPID).To(Equal(infraPID))
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})
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It("podman pod container can override pod net NS", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "net"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "-d", "--pod", podID, NGINX_IMAGE})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, "--network", "bridge", NGINX_IMAGE, "curl", "-f", "localhost"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman pod container can override pod pid NS", func() {
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SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
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session := podmanTest.Podman([]string{"pod", "create", "--share", "pid"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, "--pid", "host", "-d", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"ps", "-a", "--ns", "--format", "{{.Namespaces.PIDNS}}"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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outputArray := check.OutputToStringArray()
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Expect(outputArray).To(HaveLen(2))
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check = podmanTest.Podman([]string{"ps", "-a", "--ns", "--format", "{{.PIDNS}}"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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outputArray = check.OutputToStringArray()
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Expect(outputArray).To(HaveLen(2))
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PID1 := outputArray[0]
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PID2 := outputArray[1]
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Expect(PID1).To(Not(Equal(PID2)))
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})
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It("podman pod container can override pod not sharing pid", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "net"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, "--pid", "pod", "-d", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"ps", "-a", "--ns", "--format", "{{.PIDNS}}"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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outputArray := check.OutputToStringArray()
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Expect(outputArray).To(HaveLen(2))
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PID1 := outputArray[0]
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PID2 := outputArray[1]
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Expect(PID1).To(Equal(PID2))
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})
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It("podman pod container can override pod ipc NS", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "ipc"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"pod", "start", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"run", "--pod", podID, "--ipc", "host", "-d", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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check := podmanTest.Podman([]string{"ps", "-a", "--ns", "--format", "{{.IPC}}"})
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check.WaitWithDefaultTimeout()
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Expect(check).Should(Exit(0))
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outputArray := check.OutputToStringArray()
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Expect(outputArray).To(HaveLen(2))
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PID1 := outputArray[0]
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PID2 := outputArray[1]
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Expect(PID1).To(Not(Equal(PID2)))
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})
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It("podman pod infra container deletion", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", "ipc"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"ps", "-aq"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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infraID := session.OutputToString()
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session = podmanTest.Podman([]string{"rm", infraID})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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session = podmanTest.Podman([]string{"pod", "rm", podID})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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})
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It("podman run in pod starts infra", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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result := podmanTest.Podman([]string{"ps", "-aq"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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infraID := result.OutputToString()
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result = podmanTest.Podman([]string{"run", "--pod", podID, "-d", ALPINE, "top"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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result = podmanTest.Podman([]string{"ps", "-aq"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(len(result.OutputToStringArray())).Should(BeNumerically(">", 0))
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Expect(result.OutputToString()).To(ContainSubstring(infraID))
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})
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It("podman start in pod starts infra", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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result := podmanTest.Podman([]string{"ps", "-aq"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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infraID := result.OutputToString()
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result = podmanTest.Podman([]string{"create", "--pod", podID, ALPINE, "ls"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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ctrID := result.OutputToString()
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result = podmanTest.Podman([]string{"start", ctrID})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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result = podmanTest.Podman([]string{"ps", "-aq"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(len(result.OutputToStringArray())).Should(BeNumerically(">", 0))
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Expect(result.OutputToString()).To(ContainSubstring(infraID))
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})
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It("podman run --add-host in pod should fail", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--add-host", "host1:127.0.0.1"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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session = podmanTest.Podman([]string{"create", "--pod", podID, "--add-host", "foobar:127.0.0.1", ALPINE, "ping", "-c", "1", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitWithError())
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Expect(session.ErrorToString()).To(ContainSubstring("extra host entries must be specified on the pod: network cannot be configured when it is shared with a pod"))
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// verify we can see the pods hosts
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session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "ping", "-c", "1", "host1"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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})
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It("podman run hostname is shared", func() {
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session := podmanTest.Podman([]string{"pod", "create"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podID := session.OutputToString()
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// verify we can add a host to the infra's /etc/hosts
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session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "hostname"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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hostname := session.OutputToString()
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infraName := podID[:12] + "-infra"
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// verify we can see the other hosts of infra's /etc/hosts
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session = podmanTest.Podman([]string{"inspect", infraName})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(session.OutputToString()).To(ContainSubstring(hostname))
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})
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tests := []string{"", "none"}
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for _, test := range tests {
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test := test
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It("podman pod create --share="+test+" should not create an infra ctr", func() {
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session := podmanTest.Podman([]string{"pod", "create", "--share", test})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "inspect", "--format", "{{.NumContainers}}", session.OutputToString()})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(session.OutputToString()).Should((Equal("0")))
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})
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}
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})
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