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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-07-20 14:11:17 -0400
committerGitHub <noreply@github.com>2020-07-20 14:11:17 -0400
commit0d26a573e3cf8cc5baea84206a86cb83b433b6d5 (patch)
treefc86e361ff0fd566310262399fec67f94da6514a /test/e2e
parente8de509be5b6ff65088a204a5bb5fd32987f561d (diff)
parent020d81f113ea1e11398ea77495cc4b8e05a91d38 (diff)
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Merge pull request #6895 from QiWang19/pr-3457
Add support for overlay volume mounts in podman.
Diffstat (limited to 'test/e2e')
-rw-r--r--test/e2e/run_volume_test.go89
1 files changed, 89 insertions, 0 deletions
diff --git a/test/e2e/run_volume_test.go b/test/e2e/run_volume_test.go
index 92988ff87..2b806ac2b 100644
--- a/test/e2e/run_volume_test.go
+++ b/test/e2e/run_volume_test.go
@@ -9,6 +9,7 @@ import (
"path/filepath"
"strings"
+ "github.com/containers/libpod/v2/pkg/rootless"
. "github.com/containers/libpod/v2/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
@@ -450,4 +451,92 @@ VOLUME /test/`
Expect(data[0].Mounts[0].Source).To(Equal("/tmp"))
Expect(data[0].Mounts[0].Destination).To(Equal("/test"))
})
+
+ It("podman run with overlay volume flag", func() {
+ if os.Getenv("container") != "" {
+ Skip("Overlay mounts not supported when running in a container")
+ }
+ if rootless.IsRootless() {
+ if _, err := exec.LookPath("fuse_overlay"); err != nil {
+ Skip("Fuse-Overlayfs required for rootless overlay mount test")
+ }
+ }
+ mountPath := filepath.Join(podmanTest.TempDir, "secrets")
+ os.Mkdir(mountPath, 0755)
+ testFile := filepath.Join(mountPath, "test1")
+ f, err := os.Create(testFile)
+ f.Close()
+
+ // Make sure host directory gets mounted in to container as overlay
+ session := podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "grep", "/run/test", "/proc/self/mountinfo"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ found, matches := session.GrepString("/run/test")
+ Expect(found).Should(BeTrue())
+ Expect(matches[0]).To(ContainSubstring("overlay"))
+
+ // Make sure host files show up in the container
+ session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "ls", "/run/test/test1"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ // Make sure modifications in container do not show up on host
+ session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "touch", "/run/test/container"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ _, err = os.Stat(filepath.Join(mountPath, "container"))
+ Expect(err).To(Not(BeNil()))
+
+ // Make sure modifications in container disappear when container is stopped
+ session = podmanTest.Podman([]string{"create", "-d", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "top"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"start", "-l"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"exec", "-l", "touch", "/run/test/container"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"exec", "-l", "ls", "/run/test/container"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"stop", "-l"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"start", "-l"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ session = podmanTest.Podman([]string{"exec", "-l", "ls", "/run/test/container"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Not(Equal(0)))
+ })
+
+ It("overlay volume conflicts with named volume and mounts", func() {
+ mountPath := filepath.Join(podmanTest.TempDir, "secrets")
+ os.Mkdir(mountPath, 0755)
+ testFile := filepath.Join(mountPath, "test1")
+ f, err := os.Create(testFile)
+ Expect(err).To(BeNil())
+ f.Close()
+ mountSrc := filepath.Join(podmanTest.TempDir, "vol-test1")
+ err = os.MkdirAll(mountSrc, 0755)
+ Expect(err).To(BeNil())
+ mountDest := "/run/test"
+ volName := "myvol"
+
+ session := podmanTest.Podman([]string{"volume", "create", volName})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ // overlay and named volume destinations conflict
+ session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "-v", fmt.Sprintf("%s:%s", volName, mountDest), ALPINE})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Not(Equal(0)))
+ // overlay and bind mount destinations conflict
+ session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "--mount", fmt.Sprintf("type=bind,src=%s,target=%s", mountSrc, mountDest), ALPINE})
+ Expect(session.ExitCode()).To(Not(Equal(0)))
+ // overlay and tmpfs mount destinations conflict
+ session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "--mount", fmt.Sprintf("type=tmpfs,target=%s", mountDest), ALPINE})
+ Expect(session.ExitCode()).To(Not(Equal(0)))
+ })
})