Merge pull request #6470 from mheon/fix_stats_nonet

Properly follow linked namespace container for stats

libpod/networking_linux.go

@@ -550,7 +550,7 @@ func getContainerNetNS(ctr *Container) (string, error) {
 		if err = c.syncContainer(); err != nil {
 			return "", err
 		}
-		return c.state.NetNS.Path(), nil
+		return getContainerNetNS(c)
 	}
 	return "", nil
 }

test/e2e/pod_stats_test.go

@@ -178,4 +178,21 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).To(ExitWithError())
 	})
 
+	It("podman stats on net=host post", func() {
+		// --net=host not supported for rootless pods at present
+		SkipIfRootless()
+		podName := "testPod"
+		podCreate := podmanTest.Podman([]string{"pod", "create", "--net=host", "--name", podName})
+		podCreate.WaitWithDefaultTimeout()
+		Expect(podCreate.ExitCode()).To(Equal(0))
+
+		ctrRun := podmanTest.Podman([]string{"run", "-d", "--pod", podName, ALPINE, "top"})
+		ctrRun.WaitWithDefaultTimeout()
+		Expect(ctrRun.ExitCode()).To(Equal(0))
+
+		stats := podmanTest.Podman([]string{"pod", "stats", "--format", "json", "--no-stream", podName})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats.ExitCode()).To(Equal(0))
+		Expect(stats.IsJSONOutputValid()).To(BeTrue())
+	})
 })