diff options
| -rw-r--r-- | libpod/container_internal_linux.go | 26 | ||||
| -rw-r--r-- | libpod/mounts_linux.go | 18 | ||||
| -rw-r--r-- | test/e2e/run_test.go | 5 |
3 files changed, 48 insertions, 1 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index e6071945d..93bd23b55 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -347,8 +347,34 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) { // Mounts need to be sorted so paths will not cover other paths mounts := sortMounts(g.Mounts()) g.ClearMounts() + + // Determine property of RootPropagation based on volume properties. If + // a volume is shared, then keep root propagation shared. This should + // work for slave and private volumes too. + // + // For slave volumes, it can be either [r]shared/[r]slave. + // + // For private volumes any root propagation value should work. + rootPropagation := "" for _, m := range mounts { g.AddMount(m) + for _, opt := range m.Options { + switch opt { + case MountShared, MountRShared: + if rootPropagation != MountShared && rootPropagation != MountRShared { + rootPropagation = MountShared + } + case MountSlave, MountRSlave: + if rootPropagation != MountShared && rootPropagation != MountRShared && rootPropagation != MountSlave && rootPropagation != MountRSlave { + rootPropagation = MountRSlave + } + } + } + } + + if rootPropagation != "" { + logrus.Debugf("set root propagation to %q", rootPropagation) + g.SetLinuxRootPropagation(rootPropagation) } return g.Config, nil } diff --git a/libpod/mounts_linux.go b/libpod/mounts_linux.go new file mode 100644 index 000000000..e6aa09eac --- /dev/null +++ b/libpod/mounts_linux.go @@ -0,0 +1,18 @@ +// +build linux + +package libpod + +const ( + // MountPrivate represents the private mount option. + MountPrivate = "private" + // MountRPrivate represents the rprivate mount option. + MountRPrivate = "rprivate" + // MountShared represents the shared mount option. + MountShared = "shared" + // MountRShared represents the rshared mount option. + MountRShared = "rshared" + // MountSlave represents the slave mount option. + MountSlave = "slave" + // MountRSlave represents the rslave mount option. + MountRSlave = "rslave" +) diff --git a/test/e2e/run_test.go b/test/e2e/run_test.go index beb408fd4..ff166f466 100644 --- a/test/e2e/run_test.go +++ b/test/e2e/run_test.go @@ -609,7 +609,10 @@ USER mail` session := podmanTest.Podman([]string{"run", "--volume", vol1 + ":/myvol1:z", "--volume", vol2 + ":/myvol2:shared,z", fedoraMinimal, "findmnt", "-o", "TARGET,PROPAGATION"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - match, _ := session.GrepString("shared") + match, shared := session.GrepString("shared") Expect(match).Should(BeTrue()) + // make sure it's only shared (and not 'shared,slave') + isSharedOnly := !strings.Contains(shared[0], "shared,") + Expect(isSharedOnly).Should(BeTrue()) }) }) |