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authorAntonio Ojea <aojea@redhat.com>2020-08-14 11:19:02 +0200
committerAntonio Ojea <aojea@redhat.com>2020-08-15 12:11:01 +0200
commit07e3f1bba9674c0cb93a0fa260930bfebbf75728 (patch)
tree12a096d58c7903839eaf39ceb889415129e91426 /test/e2e
parentd777a7bd5c920ce3cf06c4eba25068747dbc6b8f (diff)
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podman support for IPv6 networks
podman containers using IPv6 were missing the default route, breaking deployments trying to use them. The problem is that the default route was hardcoded to IPv4, this takes into consideration the podman subnet IP family to generate the corresponding default route. Signed-off-by: Antonio Ojea <aojea@redhat.com>
Diffstat (limited to 'test/e2e')
-rw-r--r--test/e2e/network_create_test.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/e2e/network_create_test.go b/test/e2e/network_create_test.go
index fcd324cd1..f97e6c1f1 100644
--- a/test/e2e/network_create_test.go
+++ b/test/e2e/network_create_test.go
@@ -178,6 +178,47 @@ var _ = Describe("Podman network create", func() {
Expect(subnet.Contains(containerIP)).To(BeTrue())
})
+ It("podman network create with name and IPv6 subnet", func() {
+ SkipIfRemote()
+ var (
+ results []network.NcList
+ )
+ nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:1:2:3:4::/64", "newIPv6network"})
+ nc.WaitWithDefaultTimeout()
+ Expect(nc.ExitCode()).To(BeZero())
+
+ defer podmanTest.removeCNINetwork("newIPv6network")
+
+ // Inspect the network configuration
+ inspect := podmanTest.Podman([]string{"network", "inspect", "newIPv6network"})
+ inspect.WaitWithDefaultTimeout()
+
+ // JSON the network configuration into something usable
+ err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
+ Expect(err).To(BeNil())
+ result := results[0]
+ Expect(result["name"]).To(Equal("newIPv6network"))
+
+ // JSON the bridge info
+ bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
+ Expect(err).To(BeNil())
+ Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("::/0"))
+
+ // Once a container executes a new network, the nic will be created. We should clean those up
+ // best we can
+ defer removeNetworkDevice(bridgePlugin.BrName)
+
+ try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", "newIPv6network", ALPINE, "sh", "-c", "ip addr show eth0 | grep global | awk ' /inet6 / {print $2}'"})
+ try.WaitWithDefaultTimeout()
+
+ _, subnet, err := net.ParseCIDR("fd00:1:2:3:4::/64")
+ Expect(err).To(BeNil())
+ containerIP, _, err := net.ParseCIDR(try.OutputToString())
+ Expect(err).To(BeNil())
+ // Ensure that the IP the container got is within the subnet the user asked for
+ Expect(subnet.Contains(containerIP)).To(BeTrue())
+ })
+
It("podman network create with invalid subnet", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/17000", "fail"})
nc.WaitWithDefaultTimeout()