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Use random IP addresses during checkpoint/restore tests

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This tries to reduce CI errors which might happen due to parallel CI
runs which all are using the same IP addresses. Using random addresses
should reduce the possibility of parallel tests using the same IP address.

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber
2019-07-04 15:49:05 +00:00
parent edc7f52c95
commit d0f540e24d
1 changed files with 45 additions and 20 deletions
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65
test/e2e/checkpoint_test.go
View File

@ -3,9 +3,12 @@
package integration
import (
"math/rand"
"net"
"os"
"os/exec"
"strconv"
"time"
"github.com/containers/libpod/pkg/criu"
. "github.com/containers/libpod/test/utils"
@ -13,6 +16,16 @@ import (
. "github.com/onsi/gomega"
)
func getRunString(input []string) []string {
// To avoid IP collisions of initialize random seed for random IP addresses
rand.Seed(time.Now().UnixNano())
ip3 := strconv.Itoa(rand.Intn(230) + GinkgoParallelNode())
ip4 := strconv.Itoa(rand.Intn(230) + GinkgoParallelNode())
// CRIU does not work with seccomp correctly on RHEL7 : seccomp=unconfined
runString := []string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", "--ip", "10.88." + ip3 + "." + ip4}
return append(runString, input...)
}
var _ = Describe("Podman checkpoint", func() {
var (
tempdir string
@ -49,7 +62,6 @@ var _ = Describe("Podman checkpoint", func() {
if hostInfo.Distribution == "fedora" && hostInfo.Version < "29" {
Skip("Checkpoint/Restore with SELinux only works on Fedora >= 29")
}
})
AfterEach(func() {
@ -72,8 +84,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint a running container by id", func() {
// CRIU does not work with seccomp correctly on RHEL7
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", ALPINE, "top"})
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
@ -94,7 +106,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint a running container by name", func() {
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "test_name", "-d", ALPINE, "top"})
localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
@ -114,7 +127,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman pause a checkpointed container by id", func() {
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", ALPINE, "top"})
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
@ -151,11 +165,13 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint latest running container", func() {
session1 := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "first", "-d", ALPINE, "top"})
localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
session1 := podmanTest.Podman(localRunString)
session1.WaitWithDefaultTimeout()
Expect(session1.ExitCode()).To(Equal(0))
session2 := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "second", "-d", ALPINE, "top"})
localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
session2 := podmanTest.Podman(localRunString)
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(Equal(0))
@ -186,11 +202,13 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint all running container", func() {
session1 := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "first", "-d", ALPINE, "top"})
localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
session1 := podmanTest.Podman(localRunString)
session1.WaitWithDefaultTimeout()
Expect(session1.ExitCode()).To(Equal(0))
session2 := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "second", "-d", ALPINE, "top"})
localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
session2 := podmanTest.Podman(localRunString)
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(Equal(0))
@ -221,7 +239,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint container with established tcp connections", func() {
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", redis})
localRunString := getRunString([]string{redis})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
@ -275,7 +294,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint with --leave-running", func() {
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", ALPINE, "top"})
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
@ -312,7 +332,8 @@ var _ = Describe("Podman checkpoint", func() {
})
It("podman checkpoint and restore container with same IP", func() {
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "--name", "test_name", "-d", ALPINE, "top"})
localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
@ -355,8 +376,10 @@ var _ = Describe("Podman checkpoint", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", "/tmp/checkpoint.tar.gz"})
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
@ -369,7 +392,7 @@ var _ = Describe("Podman checkpoint", func() {
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"container", "restore", "-i", "/tmp/checkpoint.tar.gz"})
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
@ -377,7 +400,7 @@ var _ = Describe("Podman checkpoint", func() {
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Restore container a second time with different name
result = podmanTest.Podman([]string{"container", "restore", "-i", "/tmp/checkpoint.tar.gz", "-n", "restore_again"})
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName, "-n", "restore_again"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
@ -390,19 +413,21 @@ var _ = Describe("Podman checkpoint", func() {
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
// Remove exported checkpoint
os.Remove("/tmp/checkpoint.tar.gz")
os.Remove(fileName)
})
It("podman checkpoint and run exec in restored container", func() {
// Start the container
session := podmanTest.Podman([]string{"run", "-it", "--rm", "-d", ALPINE, "top"})
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
// Checkpoint the container
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", "/tmp/checkpoint.tar.gz"})
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
@ -410,7 +435,7 @@ var _ = Describe("Podman checkpoint", func() {
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore the container
result = podmanTest.Podman([]string{"container", "restore", "-i", "/tmp/checkpoint.tar.gz"})
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
@ -429,6 +454,6 @@ var _ = Describe("Podman checkpoint", func() {
Expect(result.OutputToString()).To(ContainSubstring(cid))
// Remove exported checkpoint
os.Remove("/tmp/checkpoint.tar.gz")
os.Remove(fileName)
})
})