mirror of
https://github.com/searxng/searxng.git
synced 2024-11-22 19:01:00 +00:00
LXC: fixed raw.idmap & removed obsolete uid/gid subordinate
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
parent
e7f69b63f1
commit
d48c7bf678
1 changed files with 7 additions and 60 deletions
67
utils/lxc.sh
67
utils/lxc.sh
|
|
@ -78,11 +78,10 @@ usage::
|
|||
|
||||
$_cmd build [containers]
|
||||
$_cmd copy [images]
|
||||
$_cmd remove [containers|<name>|images|subordinate]
|
||||
$_cmd add [subordinate]
|
||||
$_cmd remove [containers|<name>|images]
|
||||
$_cmd [start|stop] [containers|<name>]
|
||||
$_cmd show [info|config|suite|images]
|
||||
$_cmd cmd [--|<name>] ...
|
||||
$_cmd cmd [--|<name>] '...'
|
||||
$_cmd install [suite]
|
||||
|
||||
build
|
||||
|
|
@ -92,8 +91,6 @@ copy:
|
|||
remove
|
||||
:containers: delete all 'containers' or only <container-name>
|
||||
:images: delete local images of the suite
|
||||
add / remove
|
||||
:subordinate: LXD permission to map ${HOST_USER}'s user/group id through
|
||||
start/stop
|
||||
:containers: start/stop all 'containers' from the suite
|
||||
:<name>: start/stop conatiner <name> from suite
|
||||
|
|
@ -103,8 +100,9 @@ show
|
|||
:suite: show services of all the containers from the LXC suite
|
||||
:images: show information of local images
|
||||
cmd
|
||||
-- run command ... in all containers of the LXC suite
|
||||
:<name>: run command ... in container <name>
|
||||
use single qoutes to evaluate in container's bash, e.g. 'echo $(hostname)'
|
||||
-- run command '...' in all containers of the LXC suite
|
||||
:<name>: run command '...' in container <name>
|
||||
install
|
||||
:suite: install LXC suite, includes morty & filtron
|
||||
|
||||
|
|
@ -176,7 +174,6 @@ main() {
|
|||
case $2 in
|
||||
''|containers) remove_instances ;;
|
||||
images) lxc_delete_images_localy ;;
|
||||
subordinate) echo; del_subordinate_ids ;;
|
||||
${LXC_HOST_PREFIX}-*)
|
||||
! lxc_exists "$2" && usage_containers "unknown container: $2" && exit 42
|
||||
if ask_yn "Do you really want to delete conatiner $2"; then
|
||||
|
|
@ -186,13 +183,6 @@ main() {
|
|||
*) usage "uknown or missing container <name> $2"; exit 42;;
|
||||
esac
|
||||
;;
|
||||
add)
|
||||
sudo_or_exit
|
||||
case $2 in
|
||||
subordinate) echo; add_subordinate_ids ;;
|
||||
*) usage "$_usage"; exit 42;;
|
||||
esac
|
||||
;;
|
||||
start|stop)
|
||||
sudo_or_exit
|
||||
case $2 in
|
||||
|
|
@ -274,7 +264,6 @@ main() {
|
|||
build_instances() {
|
||||
rst_title "Build LXC instances"
|
||||
echo
|
||||
add_subordinate_ids
|
||||
lxc_copy_images_localy
|
||||
echo
|
||||
rst_title "build containers" section
|
||||
|
|
@ -400,7 +389,7 @@ lxc_exec_cmd() {
|
|||
shift
|
||||
exit_val=
|
||||
info_msg "[${_BBlue}${name}${_creset}] ${_BGreen}${*}${_creset}"
|
||||
lxc exec --cwd "${LXC_REPO_ROOT}" "${name}" -- "$@"
|
||||
lxc exec --cwd "${LXC_REPO_ROOT}" "${name}" -- bash -c "$*"
|
||||
exit_val=$?
|
||||
if [[ $exit_val -ne 0 ]]; then
|
||||
warn_msg "[${_BBlue}${name}${_creset}] exit code (${_BRed}${exit_val}${_creset}) from ${_BGreen}${*}${_creset}"
|
||||
|
|
@ -435,7 +424,7 @@ lxc_config_containers() {
|
|||
|
||||
info_msg "[${_BBlue}${i}${_creset}] map uid/gid from host to container"
|
||||
# https://lxd.readthedocs.io/en/latest/userns-idmap/#custom-idmaps
|
||||
echo -e -n "uid $HOST_USER_ID 1000\\ngid $HOST_GROUP_ID 1000"\
|
||||
echo -e -n "uid $HOST_USER_ID 0\\ngid $HOST_GROUP_ID 0"\
|
||||
| lxc config set "$i" raw.idmap -
|
||||
|
||||
info_msg "[${_BBlue}${i}${_creset}] share ${REPO_ROOT} (repo_share) from HOST into container"
|
||||
|
|
@ -475,48 +464,6 @@ lxc_boilerplate_containers() {
|
|||
done
|
||||
}
|
||||
|
||||
# subordinates
|
||||
# ------------
|
||||
#
|
||||
# see man: subgid(5), subuid(5), https://lxd.readthedocs.io/en/latest/userns-idmap
|
||||
#
|
||||
# E.g. in the HOST you have uid=1001(user) and/or gid=1001(user) ::
|
||||
#
|
||||
# root:1001:1
|
||||
#
|
||||
# in the CONTAINER::
|
||||
#
|
||||
# config:
|
||||
# raw.idmap: |
|
||||
# uid 1001 1000
|
||||
# gid 1001 1000
|
||||
|
||||
add_subordinate_ids() {
|
||||
if grep "root:${HOST_USER_ID}:1" /etc/subuid -qs; then
|
||||
info_msg "lxd already has permission to map ${HOST_USER_ID}'s user/group id through"
|
||||
else
|
||||
info_msg "add lxd permission to map ${HOST_USER_ID}'s user/group id through"
|
||||
usermod --add-subuids "${HOST_USER_ID}-${HOST_USER_ID}" \
|
||||
--add-subgids "${HOST_GROUP_ID}-${HOST_GROUP_ID}" root
|
||||
fi
|
||||
}
|
||||
|
||||
del_subordinate_ids() {
|
||||
local out
|
||||
local exit_val
|
||||
if grep "root:${HOST_USER_ID}:1" /etc/subuid -qs; then
|
||||
# TODO: root user is always in use by process 1, how can we remove subordinates?
|
||||
info_msg "remove lxd permission to map ${HOST_USER_ID}'s user/group id through"
|
||||
out=$(usermod --del-subuids "${HOST_USER_ID}-${HOST_USER_ID}" --del-subgids "${HOST_GROUP_ID}-${HOST_GROUP_ID}" root 2>&1)
|
||||
exit_val=$?
|
||||
if [ $exit_val -ne 0 ]; then
|
||||
err_msg "$out"
|
||||
fi
|
||||
else
|
||||
info_msg "lxd does not have permission to map ${HOST_USER_ID}'s user/group id through"
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# ----------------------------------------------------------------------------
|
||||
main "$@"
|
||||
|
|
|
|||
Loading…
Reference in a new issue