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package integration
import (
"os"
"time"
"github.com/containers/podman/v4/pkg/rootless"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman create with --ip flag", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
// Cleanup the CNI networks used by the tests
os.RemoveAll("/var/lib/cni/networks/podman")
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("Podman create --ip with garbage address", func() {
result := podmanTest.Podman([]string{"create", "--name", "test", "--ip", "114232346", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
})
It("Podman create --ip with non-allocatable IP", func() {
SkipIfRootless("--ip not supported without network in rootless mode")
result := podmanTest.Podman([]string{"create", "--name", "test", "--ip", "203.0.113.124", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
result = podmanTest.Podman([]string{"start", "test"})
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
})
It("Podman create with specified static IP has correct IP", func() {
// NOTE: we force the k8s-file log driver to make sure the
// tests are passing inside a container.
ip := GetRandomIPAddress()
result := podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test", "--ip", ip, ALPINE, "ip", "addr"})
result.WaitWithDefaultTimeout()
// Rootless static ip assignment without network should error
if rootless.IsRootless() {
Expect(result).Should(Exit(125))
} else {
Expect(result).Should(Exit(0))
result = podmanTest.Podman([]string{"start", "test"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
result = podmanTest.Podman([]string{"logs", "test"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.OutputToString()).To(ContainSubstring(ip + "/16"))
}
})
It("Podman create two containers with the same IP", func() {
SkipIfRootless("--ip not supported without network in rootless mode")
ip := GetRandomIPAddress()
result := podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test1", "--ip", ip, ALPINE, "sleep", "999"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
result = podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test2", "--ip", ip, ALPINE, "ip", "addr"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
result = podmanTest.Podman([]string{"start", "test1"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
// race prevention: wait until IP address is assigned
for i := 0; i < 5; i++ {
result = podmanTest.Podman([]string{"inspect", "--format", "{{.NetworkSettings.IPAddress}}", "test1"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
if result.OutputToString() != "" {
break
}
time.Sleep(1 * time.Second)
}
Expect(result.OutputToString()).To(Equal(ip))
// test1 container is running with the given IP.
result = podmanTest.Podman([]string{"start", "test2"})
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
if podmanTest.NetworkBackend == CNI {
Expect(result.ErrorToString()).To(ContainSubstring("requested IP address " + ip + " is not available"))
} else if podmanTest.NetworkBackend == Netavark {
Expect(result.ErrorToString()).To(ContainSubstring("requested ip address %s is already allocated", ip))
}
})
})
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