add e2e test for network with same subnet

add e2e test that checks that is not possible to create different networks with the same subnet, in IPv6 neither in IPv4 Signed-off-by: Antonio Ojea <[email protected]>
containers · Nov 10, 2020 · 98d7707 · 98d7707
1 parent e7a72d7
commit 98d7707
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/test/e2e/network_create_test.go b/test/e2e/network_create_test.go
@@ -304,6 +304,29 @@ var _ = Describe("Podman network create", func() {
 		Expect(ncFail).To(ExitWithError())
 	})
 
+	It("podman network create two networks with same subnet should fail", func() {
+		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", "subnet1"})
+		nc.WaitWithDefaultTimeout()
+		Expect(nc.ExitCode()).To(BeZero())
+		defer podmanTest.removeCNINetwork("subnet1")
+
+		ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", "subnet2"})
+		ncFail.WaitWithDefaultTimeout()
+		Expect(ncFail).To(ExitWithError())
+	})
+
+	It("podman network create two IPv6 networks with same subnet should fail", func() {
+		SkipIfRootless("FIXME It needs the ip6tables modules loaded")
+		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", "subnet1v6"})
+		nc.WaitWithDefaultTimeout()
+		Expect(nc.ExitCode()).To(BeZero())
+		defer podmanTest.removeCNINetwork("subnet1v6")
+
+		ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", "subnet2v6"})
+		ncFail.WaitWithDefaultTimeout()
+		Expect(ncFail).To(ExitWithError())
+	})
+
 	It("podman network create with invalid network name", func() {
 		nc := podmanTest.Podman([]string{"network", "create", "foo "})
 		nc.WaitWithDefaultTimeout()