LXC: add /.lxcenv

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2020-03-18 15:34:46 +01:00
parent 86e79488aa
commit d2cfe9ce5b
3 changed files with 23 additions and 7 deletions

View File

@ -1065,18 +1065,31 @@ EOF
in_container() { in_container() {
# Test if shell runs in a container. # Test if shell runs in a container.
# #
# hint: Reads init process environment, therefore root access is required!
#
# usage: in_container && echo "process running inside a LXC container" # usage: in_container && echo "process running inside a LXC container"
# in_container || echo "process is not running inside a LXC container" # in_container || echo "process is not running inside a LXC container"
# #
# sudo_or_exit
sudo_or_exit # hint: Reads init process environment, therefore root access is required!
# to be safe, take a look at the environment of process 1 (/sbin/init) # to be safe, take a look at the environment of process 1 (/sbin/init)
grep -qa 'container=lxc' /proc/1/environ # grep -qa 'container=lxc' /proc/1/environ
# see lxc_init_container
[[ -f /.lxcenv ]]
} }
lxc_init_container() {
# Create a /.lxcenv file in the root folder. Call this once after container
# is inital started.
# usage: lxc_create_root_dot_lxcenv <name>
info_msg "create /.lxcenv in container $1"
cat <<EOF | lxc exec "${1}" -- bash | prefix_stdout "[${_BBlue}${1}${_creset}] "
touch "/.lxcenv"
ls -l "/.lxcenv"
EOF
}
lxc_exists(){ lxc_exists(){
# usage: lxc_exists <name> || echo "container <name> does not exists" # usage: lxc_exists <name> || echo "container <name> does not exists"

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@ -51,6 +51,7 @@ lxc_suite_prepare_buildhost() {
( (
lxc_set_suite_env lxc_set_suite_env
export FORCE_TIMEOUT=0 export FORCE_TIMEOUT=0
# "${LXC_REPO_ROOT}/utils/searx.sh* install packages
"${LXC_REPO_ROOT}/utils/searx.sh" install buildhost "${LXC_REPO_ROOT}/utils/searx.sh" install buildhost
rst_title "buildhost installation finished ($(hostname))" part rst_title "buildhost installation finished ($(hostname))" part
echo echo

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@ -82,7 +82,7 @@ usage::
$_cmd [start|stop] [containers|<name>] $_cmd [start|stop] [containers|<name>]
$_cmd show [info|config|suite|images] $_cmd show [info|config|suite|images]
$_cmd cmd [--|<name>] '...' $_cmd cmd [--|<name>] '...'
$_cmd install [suite] $_cmd install [suite|buildhost]
build build
:containers: build & launch all LXC containers of the suite :containers: build & launch all LXC containers of the suite
@ -443,10 +443,12 @@ lxc_boilerplate_containers() {
boilerplate_script="${image_name}_boilerplate" boilerplate_script="${image_name}_boilerplate"
boilerplate_script="${!boilerplate_script}" boilerplate_script="${!boilerplate_script}"
info_msg "[${_BBlue}${container_name}${_creset}] install /.lxcenv.mk .." info_msg "[${_BBlue}${container_name}${_creset}] init .."
if lxc start -q "${container_name}" &>/dev/null; then if lxc start -q "${container_name}" &>/dev/null; then
sleep 5 # guest needs some time to come up and get an IP sleep 5 # guest needs some time to come up and get an IP
fi fi
lxc_init_container "${container_name}"
info_msg "[${_BBlue}${container_name}${_creset}] install /.lxcenv.mk .."
cat <<EOF | lxc exec "${container_name}" -- bash | prefix_stdout "[${_BBlue}${container_name}${_creset}] " cat <<EOF | lxc exec "${container_name}" -- bash | prefix_stdout "[${_BBlue}${container_name}${_creset}] "
rm -f "/.lxcenv.mk" rm -f "/.lxcenv.mk"
ln -s "${LXC_REPO_ROOT}/utils/makefile.lxc" "/.lxcenv.mk" ln -s "${LXC_REPO_ROOT}/utils/makefile.lxc" "/.lxcenv.mk"