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Checkpoint/Restore test fixes #11955

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Oct 15, 2021
Merged

Checkpoint/Restore test fixes #11955

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30 changes: 19 additions & 11 deletions test/e2e/checkpoint_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,12 @@ import (
"os"
"os/exec"
"strings"
"time"

"github.com/containers/podman/v3/pkg/checkpoint/crutils"
"github.com/containers/podman/v3/pkg/criu"
. "github.com/containers/podman/v3/test/utils"
"github.com/containers/podman/v3/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
Expand Down Expand Up @@ -933,18 +935,23 @@ var _ = Describe("Podman checkpoint", func() {
})

It("podman checkpoint and restore container with different port mappings", func() {
localRunString := getRunString([]string{"-p", "1234:6379", "--rm", redis})
randomPort, err := utils.GetRandomPort()
Expect(err).ShouldNot(HaveOccurred())
localRunString := getRunString([]string{"-p", fmt.Sprintf("%d:6379", randomPort), "--rm", redis})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"

// Open a network connection to the redis server via initial port mapping
conn, err := net.Dial("tcp", "localhost:1234")
if err != nil {
os.Exit(1)
if !WaitContainerReady(podmanTest, cid, "Ready to accept connections", 20, 1) {
Fail("Container failed to get ready")
}

fmt.Fprintf(os.Stderr, "Trying to connect to redis server at localhost:%d", randomPort)
// Open a network connection to the redis server via initial port mapping
conn, err := net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", randomPort), time.Duration(3)*time.Second)
Expect(err).ShouldNot(HaveOccurred())
conn.Close()

// Checkpoint the container
Expand All @@ -958,7 +965,9 @@ var _ = Describe("Podman checkpoint", func() {
Expect(podmanTest.NumberOfContainers()).To(Equal(0))

// Restore container with different port mapping
result = podmanTest.Podman([]string{"container", "restore", "-p", "1235:6379", "-i", fileName})
newRandomPort, err := utils.GetRandomPort()
Expect(err).ShouldNot(HaveOccurred())
result = podmanTest.Podman([]string{"container", "restore", "-p", fmt.Sprintf("%d:6379", newRandomPort), "-i", fileName})
result.WaitWithDefaultTimeout()

Expect(result).Should(Exit(0))
Expand All @@ -967,13 +976,12 @@ var _ = Describe("Podman checkpoint", func() {

// Open a network connection to the redis server via initial port mapping
// This should fail
conn, err = net.Dial("tcp", "localhost:1234")
conn, err = net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", randomPort), time.Duration(3)*time.Second)
Expect(err.Error()).To(ContainSubstring("connection refused"))
// Open a network connection to the redis server via new port mapping
conn, err = net.Dial("tcp", "localhost:1235")
if err != nil {
os.Exit(1)
}
fmt.Fprintf(os.Stderr, "Trying to reconnect to redis server at localhost:%d", newRandomPort)
conn, err = net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", newRandomPort), time.Duration(3)*time.Second)
Expect(err).ShouldNot(HaveOccurred())
conn.Close()

result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
Expand Down