From ae5de8b390693784fc383b4d1df85aa92104f481 Mon Sep 17 00:00:00 2001 From: Aditya Rajan Date: Mon, 20 Sep 2021 15:38:51 +0530 Subject: volume: Add support for overlay on named volumes Following PR allows containers to create and mount overlays on top of named volumes instead of mounting actual volumes via already documented `:O`. Signed-off-by: Aditya Rajan --- test/e2e/run_volume_test.go | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'test/e2e') diff --git a/test/e2e/run_volume_test.go b/test/e2e/run_volume_test.go index 59937b6c0..4264e1efe 100644 --- a/test/e2e/run_volume_test.go +++ b/test/e2e/run_volume_test.go @@ -242,6 +242,39 @@ var _ = Describe("Podman run with volumes", func() { Expect(session).Should(Exit(0)) }) + It("podman support overlay on named volume", func() { + SkipIfRemote("Overlay volumes only work locally") + if os.Getenv("container") != "" { + Skip("Overlay mounts not supported when running in a container") + } + if rootless.IsRootless() { + if _, err := exec.LookPath("fuse-overlayfs"); err != nil { + Skip("Fuse-Overlayfs required for rootless overlay mount test") + } + } + session := podmanTest.Podman([]string{"volume", "create", "myvolume"}) + session.WaitWithDefaultTimeout() + volName := session.OutputToString() + Expect(session).Should(Exit(0)) + + // create file on actual volume + session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "echo hello >> " + "/data/test"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + + // create file on overlayed volume + session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data:O", ALPINE, "sh", "-c", "echo hello >> " + "/data/overlayed"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + + // volume should contain only `test` not `overlayed` + session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "ls /data"}) + session.WaitWithDefaultTimeout() + Expect(session.OutputToString()).To(Not(ContainSubstring("overlayed"))) + Expect(session.OutputToString()).To(ContainSubstring("test")) + + }) + It("podman run with noexec can't exec", func() { session := podmanTest.Podman([]string{"run", "--rm", "-v", "/bin:/hostbin:noexec", ALPINE, "/hostbin/ls", "/"}) session.WaitWithDefaultTimeout() -- cgit v1.2.3-54-g00ecf