mirror of
https://github.com/containers/podman.git
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547fff2703
e2e test failures are rife with messages like:
Expected 1 to equal 0
These make me cry. They're anti-helpful, requiring the reader
to dive into the source code to figure out what those numbers
mean.
Solution: Go tests have a '.Should(Exit(NNN))' mechanism. I
don't know if it spits out a better diagnostic (I have no way
to run e2e tests on my laptop), but I have to fantasize that
it will, and given the state of our flakes I assume that at
least one test will fail and give me the opportunity to see
what the error message looks like.
THIS IS NOT REVIEWABLE CODE. There is no way for a human
to review it. Don't bother. Maybe look at a few random
ones for sanity. If you want to really review, here is
a reproducer of what I did:
cd test/e2e
! positive assertions. The second is the same as the first,
! with the addition of (unnecessary) parentheses because
! some invocations were written that way. The third is BeZero().
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\d+)\)\)/Expect($1).Should(Exit($2))/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(\(Equal\((\d+)\)\)\)/Expect($1).Should(Exit($2))/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(BeZero\(\)\)/Expect($1).Should(Exit(0))/' *_test.go
! Same as above, but handles three non-numeric exit codes
! in run_exit_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\S+)\)\)/Expect($1).Should(Exit($2))/' *_test.go
! negative assertions. Difference is the spelling of 'To(Not)',
! 'ToNot', and 'NotTo'. I assume those are all the same.
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Not\(Equal\((0)\)\)\)/Expect($1).To(ExitWithError())/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.NotTo\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go
! negative, old use of BeZero()
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(BeZero\(\)\)/Expect($1).Should(ExitWithError())/' *_test.go
Run those on a clean copy of main branch (at the same branch
point as my PR, of course), then diff against a checked-out
copy of my PR. There should be no differences. Then all you
have to review is that my replacements above are sane.
UPDATE: nope, that's not enough, you also need to add gomega/gexec
to the files that don't have it:
perl -pi -e '$_ .= "$1/gexec\"\n" if m!^(.*/onsi/gomega)"!' $(grep -L gomega/gexec $(git log -1 --stat | awk '$1 ~ /test\/e2e\// { print $1}'))
UPDATE 2: hand-edit run_volume_test.go
UPDATE 3: sigh, add WaitWithDefaultTimeout() to a couple of places
UPDATE 4: skip a test due to bug #10935 (race condition)
Signed-off-by: Ed Santiago <santiago@redhat.com>
268 lines
8.3 KiB
Go
268 lines
8.3 KiB
Go
package integration
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import (
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"fmt"
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"io/ioutil"
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"os"
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"strconv"
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"strings"
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. "github.com/containers/podman/v3/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 start", 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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podmanTest.SeedImages()
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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 pod start bogus pod", func() {
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session := podmanTest.Podman([]string{"pod", "start", "123"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(125))
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})
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It("podman pod start single empty pod", func() {
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_, ec, podid := podmanTest.CreatePod(nil)
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Expect(ec).To(Equal(0))
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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(125))
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})
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It("podman pod start single pod by name", func() {
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_, ec, _ := podmanTest.CreatePod(map[string][]string{"--name": {"foobar99"}})
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Expect(ec).To(Equal(0))
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session := podmanTest.Podman([]string{"create", "--pod", "foobar99", ALPINE, "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", "foobar99"})
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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 pod start multiple pods", func() {
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_, ec, podid1 := podmanTest.CreatePod(map[string][]string{"--name": {"foobar99"}})
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Expect(ec).To(Equal(0))
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session := podmanTest.Podman([]string{"create", "--pod", "foobar99", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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_, ec2, podid2 := podmanTest.CreatePod(map[string][]string{"--name": {"foobar100"}})
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Expect(ec2).To(Equal(0))
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session = podmanTest.Podman([]string{"create", "--pod", "foobar100", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", podid1, podid2})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
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})
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It("multiple pods in conflict", func() {
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podName := []string{"Pod_" + RandomString(10), "Pod_" + RandomString(10)}
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pod, _, podid1 := podmanTest.CreatePod(map[string][]string{
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"--infra": {"true"},
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"--name": {podName[0]},
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"--publish": {"127.0.0.1:8080:80"},
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})
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Expect(pod).To(Exit(0))
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session := podmanTest.Podman([]string{"create", "--pod", podName[0], ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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pod, _, podid2 := podmanTest.CreatePod(map[string][]string{
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"--infra": {"true"},
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"--name": {podName[1]},
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"--publish": {"127.0.0.1:8080:80"},
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})
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Expect(pod).To(Exit(0))
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session = podmanTest.Podman([]string{"create", "--pod", podName[1], ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", podid1, podid2})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(125))
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})
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It("podman pod start all pods", func() {
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_, ec, _ := podmanTest.CreatePod(map[string][]string{"--name": {"foobar99"}})
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Expect(ec).To(Equal(0))
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session := podmanTest.Podman([]string{"create", "--pod", "foobar99", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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_, ec, _ = podmanTest.CreatePod(map[string][]string{"--name": {"foobar100"}})
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Expect(ec).To(Equal(0))
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session = podmanTest.Podman([]string{"create", "--pod", "foobar100", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", "--all"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
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})
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It("podman pod start latest pod", func() {
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_, ec, _ := podmanTest.CreatePod(map[string][]string{"--name": {"foobar99"}})
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Expect(ec).To(Equal(0))
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session := podmanTest.Podman([]string{"create", "--pod", "foobar99", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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_, ec, _ = podmanTest.CreatePod(map[string][]string{"--name": {"foobar100"}})
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Expect(ec).To(Equal(0))
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session = podmanTest.Podman([]string{"create", "--pod", "foobar100", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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podid := "--latest"
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if IsRemote() {
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podid = "foobar100"
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}
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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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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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})
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It("podman pod start multiple pods with bogus", func() {
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_, ec, podid := podmanTest.CreatePod(map[string][]string{"--name": {"foobar99"}})
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Expect(ec).To(Equal(0))
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session := podmanTest.Podman([]string{"create", "--pod", "foobar99", ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", podid, "doesnotexist"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(125))
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})
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It("podman pod start single pod via --pod-id-file", func() {
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tmpDir, err := ioutil.TempDir("", "")
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Expect(err).To(BeNil())
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tmpFile := tmpDir + "podID"
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defer os.RemoveAll(tmpDir)
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podName := "rudolph"
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// Create a pod with --pod-id-file.
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session := podmanTest.Podman([]string{"pod", "create", "--name", podName, "--pod-id-file", tmpFile})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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// Create container inside the pod.
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session = podmanTest.Podman([]string{"create", "--pod", podName, ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", "--pod-id-file", tmpFile})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2)) // infra+top
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})
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It("podman pod start multiple pods via --pod-id-file", func() {
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tmpDir, err := ioutil.TempDir("", "")
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Expect(err).To(BeNil())
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defer os.RemoveAll(tmpDir)
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podIDFiles := []string{}
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for _, i := range "0123456789" {
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tmpFile := tmpDir + "cid" + string(i)
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podName := "rudolph" + string(i)
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// Create a pod with --pod-id-file.
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session := podmanTest.Podman([]string{"pod", "create", "--name", podName, "--pod-id-file", tmpFile})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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// Create container inside the pod.
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session = podmanTest.Podman([]string{"create", "--pod", podName, ALPINE, "top"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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// Append the id files along with the command.
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podIDFiles = append(podIDFiles, "--pod-id-file")
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podIDFiles = append(podIDFiles, tmpFile)
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}
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cmd := []string{"pod", "start"}
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cmd = append(cmd, podIDFiles...)
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session := podmanTest.Podman(cmd)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(20)) // 10*(infra+top)
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})
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It("podman pod create --infra-conmon-pod create + start", func() {
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tmpDir, err := ioutil.TempDir("", "")
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Expect(err).To(BeNil())
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tmpFile := tmpDir + "podID"
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defer os.RemoveAll(tmpDir)
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podName := "rudolph"
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// Create a pod with --infra-conmon-pid.
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session := podmanTest.Podman([]string{"pod", "create", "--name", podName, "--infra-conmon-pidfile", tmpFile})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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session = podmanTest.Podman([]string{"pod", "start", podName})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1)) // infra
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readFirstLine := func(path string) string {
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content, err := ioutil.ReadFile(path)
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Expect(err).To(BeNil())
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return strings.Split(string(content), "\n")[0]
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}
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// Read the infra-conmon-pidfile and perform some sanity checks
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// on the pid.
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infraConmonPID := readFirstLine(tmpFile)
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_, err = strconv.Atoi(infraConmonPID) // Make sure it's a proper integer
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Expect(err).To(BeNil())
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cmdline := readFirstLine(fmt.Sprintf("/proc/%s/cmdline", infraConmonPID))
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Expect(cmdline).To(ContainSubstring("/conmon"))
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})
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})
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