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busybox: simplify

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Start relying on autodev for busybox template and wipe all the device
creation.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2021-08-17 11:03:17 +02:00
parent 8829829deb
commit b081cb55e4
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 2 additions and 18 deletions
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20
templates/lxc-busybox.in
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@ -86,23 +86,6 @@ ${rootfs}/usr/lib64"
# shellcheck disable=SC2086 # shellcheck disable=SC2086
chmod 755 ${fstree} || return 1 chmod 755 ${fstree} || return 1
# minimal devices needed for busybox
if [ "${USERNS}" = "yes" ]; then
for dev in tty console tty0 tty1 ram0 null urandom; do
echo "lxc.mount.entry = /dev/${dev} dev/${dev} none bind,optional,create=file 0 0" >> "${path}/config"
done
else
mknod -m 666 "${rootfs}/dev/tty" c 5 0 || res=1
mknod -m 666 "${rootfs}/dev/console" c 5 1 || res=1
mknod -m 666 "${rootfs}/dev/tty0" c 4 0 || res=1
mknod -m 666 "${rootfs}/dev/tty1" c 4 0 || res=1
mknod -m 666 "${rootfs}/dev/tty5" c 4 0 || res=1
mknod -m 600 "${rootfs}/dev/ram0" b 1 0 || res=1
mknod -m 666 "${rootfs}/dev/null" c 1 3 || res=1
mknod -m 666 "${rootfs}/dev/zero" c 1 5 || res=1
mknod -m 666 "${rootfs}/dev/urandom" c 1 9 || res=1
fi
# make /tmp accessible to any user (with sticky bit) # make /tmp accessible to any user (with sticky bit)
chmod 1777 "${rootfs}/tmp" || return 1 chmod 1777 "${rootfs}/tmp" || return 1
@ -227,7 +210,8 @@ cat <<EOF >> "${path}/config"
lxc.signal.halt = SIGUSR1 lxc.signal.halt = SIGUSR1
lxc.signal.reboot = SIGTERM lxc.signal.reboot = SIGTERM
lxc.uts.name = "${name}" lxc.uts.name = "${name}"
lxc.tty.max = 1 lxc.autodev = 1
lxc.tty.max = 5
lxc.pty.max = 1 lxc.pty.max = 1
lxc.cap.drop = sys_module mac_admin mac_override sys_time lxc.cap.drop = sys_module mac_admin mac_override sys_time