Add hostname to /etc/hosts for --net=none

This does not match Docker, which does not add hostname in this
case, but it seems harmless enough.

Fixes #8095

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

1 files changed, 9 insertions, 1 deletions

diff --git a/test/e2e/run_networking_test.go b/test/e2e/run_networking_test.go
index 540ac5409..76d5c4cdc 100644
--- a/test/e2e/run_networking_test.go
+++ b/test/e2e/run_networking_test.go
@@ -584,6 +584,14 @@ var _ = Describe("Podman run networking", func() {
 		run := podmanTest.Podman([]string{"run", "--net=host", "--hostname", hostname, ALPINE, "hostname"})
 		run.WaitWithDefaultTimeout()
 		Expect(run.ExitCode()).To(BeZero())
-		Expect(strings.Contains(run.OutputToString(), "testctr")).To(BeTrue())
+		Expect(strings.Contains(run.OutputToString(), hostname)).To(BeTrue())
+	})
+
+	It("podman run with --net=none adds hostname to /etc/hosts", func() {
+		hostname := "testctr"
+		run := podmanTest.Podman([]string{"run", "--net=none", "--hostname", hostname, ALPINE, "hostname"})
+		run.WaitWithDefaultTimeout()
+		Expect(run.ExitCode()).To(BeZero())
+		Expect(strings.Contains(run.OutputToString(), hostname)).To(BeTrue())
 	})
 })