fuse

func BindMount ¶

func BindMount(source, target string, readOnly bool) error

BindMount creates a bind mount.

BUG-01 fix: the kernel ignores MS_RDONLY on the initial bind mount call. Making a bind mount read-only requires a second, separate mount call with MS_BIND | MS_REMOUNT | MS_RDONLY.

func CleanupMounts ¶

func CleanupMounts(path string) error

CleanupMounts unmounts all mounts recursively from a path.

func CopyDir ¶

func CopyDir(src, dst string) error

CopyDir recursively copies a directory.

func DevMount ¶

func DevMount(target string) error

DevMount mounts /dev inside a container (tmpfs-based).

func DevPtsMount ¶

func DevPtsMount(target string) error

DevPtsMount mounts /dev/pts inside a container.

func EnsureMountedDir ¶

func EnsureMountedDir(source, target, fstype string, flags uintptr, data string) error

EnsureMountedDir ensures a directory is mounted.

func GenerateHostname ¶

func GenerateHostname(hostname string) string

GenerateHostname generates a hostname file.

func GenerateHosts ¶

func GenerateHosts(hostname string, extraHosts map[string]string) string

GenerateHosts generates a /etc/hosts file.

func GenerateResolvConf ¶

func GenerateResolvConf(dnsServers []string, searchDomains []string, options []string, internalDNS ...string) string

GenerateResolvConf generates a resolv.conf file. If internalDNS is provided, it is added as the first nameserver (containers use the internal DNS server for container name resolution). Port is stripped from nameserver addresses — resolv.conf does not support port-qualified nameservers.

func IsFuseOverlayfsAvailable ¶

func IsFuseOverlayfsAvailable() bool

IsFuseOverlayfsAvailable checks if fuse-overlayfs is installed.

func IsFusermountAvailable ¶

func IsFusermountAvailable() bool

IsFusermountAvailable checks if fusermount is available.

func MqueueMount ¶

func MqueueMount(target string) error

MqueueMount mounts /dev/mqueue inside a container.

func PrepareRootfs ¶

func PrepareRootfs(rootfs string, files map[string]string, user ...string) error

PrepareRootfs prepares a rootfs directory with proper permissions.

func ProcMount ¶

func ProcMount(target string) error

ProcMount mounts /proc inside a container.

func ShmMount ¶

func ShmMount(target string, sizeBytes int64) error

ShmMount mounts /dev/shm inside a container.

func SysMount ¶

func SysMount(target string) error

SysMount mounts /sys inside a container.

func TmpfsMount ¶

func TmpfsMount(target string, sizeBytes int64, mode uint32) error

TmpfsMount creates a tmpfs mount.