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Merge pull request #16732 from flouthoc/network-update

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network: add support for `podman network update` and `--network-dns-server`
This commit is contained in:
OpenShift Merge Robot
2023-01-12 12:18:14 -05:00
committed by GitHub
parent 5cb4fe3e41 882cd17f83
commit b107d7720a
16 changed files with 320 additions and 16 deletions
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52
test/e2e/run_networking_test.go
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@@ -1,6 +1,7 @@
package integration
import (
"encoding/json"
"fmt"
"net"
"os"
@@ -8,6 +9,7 @@ import (
"syscall"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containers/common/libnetwork/types"
. "github.com/containers/podman/v4/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
@@ -41,6 +43,56 @@ var _ = Describe("Podman run networking", func() {
})
It("podman verify network scoped DNS server and also verify updating network dns server", func() {
// TODO: Unskip after https://github.com/containers/podman/pull/16525
Skip("TODO: unskip after https://github.com/containers/podman/pull/16525")
// Following test is only functional with netavark and aardvark
SkipIfCNI(podmanTest)
net := createNetworkName("IntTest")
session := podmanTest.Podman([]string{"network", "create", net, "--dns", "1.1.1.1"})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"network", "inspect", net})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
var results []types.Network
err := json.Unmarshal([]byte(session.OutputToString()), &results)
Expect(err).ToNot(HaveOccurred())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Subnets).To(HaveLen(1))
aardvarkDNSGateway := result.Subnets[0].Gateway.String()
Expect(session.OutputToString()).To(ContainSubstring("1.1.1.1"))
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"run", "-d", "--name", "con1", "--network", net, "busybox", "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"exec", "-i", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(ContainSubstring("Non-authoritative answer: Name: google.com Address:"))
// Update to a bad DNS Server
session = podmanTest.Podman([]string{"network", "update", net, "--dns-add", "7.7.7.7"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// Remove good DNS server
session = podmanTest.Podman([]string{"network", "update", net, "--dns-drop=1.1.1.1"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"exec", "-i", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(1))
Expect(session.OutputToString()).To(ContainSubstring(";; connection timed out; no servers could be reached"))
})
It("podman run network connection with default bridge", func() {
session := podmanTest.RunContainerWithNetworkTest("")
session.WaitWithDefaultTimeout()