diff --git a/configs/config.go b/configs/config.go index b07f252b5..1f5a55d3b 100644 --- a/configs/config.go +++ b/configs/config.go @@ -37,6 +37,9 @@ type Config struct { // bind mounts are writtable. Readonlyfs bool `json:"readonlyfs"` + // Privatefs will mount the container's rootfs as private where mount points from the parent will not propogate + Privatefs bool `json:"privatefs"` + // Mounts specify additional source and destination paths that will be mounted inside the container's // rootfs and mount namespace if specified Mounts []*Mount `json:"mounts"` diff --git a/rootfs_linux.go b/rootfs_linux.go index 38ed032dd..091dc431d 100644 --- a/rootfs_linux.go +++ b/rootfs_linux.go @@ -248,9 +248,9 @@ func mknodDevice(dest string, node *configs.Device) error { } func prepareRoot(config *configs.Config) error { - flag := syscall.MS_PRIVATE | syscall.MS_REC - if config.NoPivotRoot { - flag = syscall.MS_SLAVE | syscall.MS_REC + flag := syscall.MS_SLAVE | syscall.MS_REC + if config.Privatefs { + flag = syscall.MS_PRIVATE | syscall.MS_REC } if err := syscall.Mount("", "/", "", uintptr(flag), ""); err != nil { return err