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authorPaul Holzinger <paul.holzinger@web.de>2020-10-30 15:38:54 +0100
committerPaul Holzinger <paul.holzinger@web.de>2020-10-30 18:53:55 +0100
commit2704dfbb7a3fc079a74e9c8edf1acd7be24db035 (patch)
treedbe13f6e55f1e466850c4e25ddb8326cad04c40a /test/e2e/run_networking_test.go
parent228396a99dc88fc828f23d4072a46ca8de90282f (diff)
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Fix dnsname when joining a different network namespace in a pod
When creating a container in a pod the podname was always set as the dns entry. This is incorrect when the container is not part of the pods network namespace. This happend both rootful and rootless. To fix this check if we are part of the pods network namespace and if not use the container name as dns entry. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
Diffstat (limited to 'test/e2e/run_networking_test.go')
-rw-r--r--test/e2e/run_networking_test.go35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/e2e/run_networking_test.go b/test/e2e/run_networking_test.go
index 9f6fd8602..a3cc352b1 100644
--- a/test/e2e/run_networking_test.go
+++ b/test/e2e/run_networking_test.go
@@ -594,4 +594,39 @@ var _ = Describe("Podman run networking", func() {
Expect(run.ExitCode()).To(BeZero())
Expect(strings.Contains(run.OutputToString(), hostname)).To(BeTrue())
})
+
+ It("podman run check dnsname plugin", func() {
+ pod := "testpod"
+ session := podmanTest.Podman([]string{"pod", "create", "--name", pod})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+
+ net := "dnsNetTest"
+ session = podmanTest.Podman([]string{"network", "create", net})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+ defer podmanTest.removeCNINetwork(net)
+
+ pod2 := "testpod2"
+ session = podmanTest.Podman([]string{"pod", "create", "--network", net, "--name", pod2})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+
+ session = podmanTest.Podman([]string{"run", "--name", "con1", "--network", net, ALPINE, "nslookup", "con1"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+
+ session = podmanTest.Podman([]string{"run", "--name", "con2", "--pod", pod, "--network", net, ALPINE, "nslookup", "con2"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+
+ session = podmanTest.Podman([]string{"run", "--name", "con3", "--pod", pod2, ALPINE, "nslookup", "con3"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(1))
+ Expect(session.ErrorToString()).To(ContainSubstring("can't resolve 'con3'"))
+
+ session = podmanTest.Podman([]string{"run", "--name", "con4", "--network", net, ALPINE, "nslookup", pod2})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(BeZero())
+ })
})