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chore(upgrade): sync lxc-helpers v1.0.3

This commit is contained in:
Earl Warren 2025-01-29 00:20:32 +01:00
parent 0e99df94b7
commit 50aec4962b
2 changed files with 132 additions and 104 deletions

View file

@ -3,13 +3,14 @@
export DEBIAN_FRONTEND=noninteractive
LXC_SELF_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
LXC_SELF_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LXC_BIN=/usr/local/bin
LXC_CONTAINER_CONFIG_ALL="unprivileged lxc libvirt docker k8s"
LXC_CONTAINER_CONFIG_DEFAULT="lxc libvirt docker"
LXC_IPV6_PREFIX_DEFAULT="fc15"
LXC_IPV6_PREFIX_DEFAULT="fd15"
LXC_DOCKER_PREFIX_DEFAULT="172.17"
LXC_IPV6_DOCKER_PREFIX_DEFAULT="fd00:d0ca"
LXC_APT_TOO_OLD='1 week ago'
: ${LXC_SUDO:=}
: ${LXC_CONTAINER_RELEASE:=bookworm}
@ -75,14 +76,14 @@ function lxc_container_user_install() {
local user_id="$2"
local user="$3"
if test "$user" = root ; then
return
if test "$user" = root; then
return
fi
local root=$(lxc_root $name)
if ! $LXC_SUDO grep --quiet "^$user " $root/etc/sudoers ; then
$LXC_SUDO tee $root/usr/local/bin/lxc-helpers-create-user.sh > /dev/null <<EOF
if ! $LXC_SUDO grep --quiet "^$user " $root/etc/sudoers; then
$LXC_SUDO tee $root/usr/local/bin/lxc-helpers-create-user.sh >/dev/null <<EOF
#!/bin/bash
set -ex
@ -94,20 +95,20 @@ done
echo "$user ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
sudo --user $user ssh-keygen -b 2048 -N '' -f $LXC_HOME/$user/.ssh/id_rsa
EOF
lxc_container_run_script $name /usr/local/bin/lxc-helpers-create-user.sh
lxc_container_run_script $name /usr/local/bin/lxc-helpers-create-user.sh
fi
}
function lxc_maybe_sudo() {
if test $(id -u) != 0 ; then
LXC_SUDO=sudo
if test $(id -u) != 0; then
LXC_SUDO=sudo
fi
}
function lxc_prepare_environment() {
lxc_maybe_sudo
if ! $(which lxc-create > /dev/null) ; then
$LXC_SUDO apt-get install -y -qq make git libvirt0 libpam-cgfs bridge-utils uidmap dnsmasq-base dnsmasq dnsmasq-utils qemu-user-static
if ! $(which lxc-create >/dev/null); then
$LXC_SUDO apt-get install -y -qq make git libvirt0 libpam-cgfs bridge-utils uidmap dnsmasq-base dnsmasq dnsmasq-utils qemu-user-static
fi
}
@ -194,42 +195,41 @@ EOF
}
function lxc_container_config() {
for config in "$@" ; do
case $config in
unprivileged)
;;
lxc)
echo nesting
echo cap
;;
docker)
echo net
;;
libvirt)
echo cap
echo kvm
echo loop
echo mapper
echo fuse
;;
k8s)
echo cap
echo loop
echo mapper
echo fuse
echo kmsg
echo proc
;;
*)
echo "$config unknown ($LXC_CONTAINER_CONFIG_ALL)"
return 1
;;
esac
done | sort -u | while read config ; do
echo "#"
echo "# include $config config snippet"
echo "#"
lxc_container_config_$config
for config in "$@"; do
case $config in
unprivileged) ;;
lxc)
echo nesting
echo cap
;;
docker)
echo net
;;
libvirt)
echo cap
echo kvm
echo loop
echo mapper
echo fuse
;;
k8s)
echo cap
echo loop
echo mapper
echo fuse
echo kmsg
echo proc
;;
*)
echo "$config unknown ($LXC_CONTAINER_CONFIG_ALL)"
return 1
;;
esac
done | sort -u | while read config; do
echo "#"
echo "# include $config config snippet"
echo "#"
lxc_container_config_$config
done
}
@ -247,7 +247,7 @@ function lxc_container_install_lxc_helpers() {
# Wait for the network to come up
#
local wait_networking=$(lxc_root $name)/usr/local/bin/lxc-helpers-wait-networking.sh
$LXC_SUDO tee $wait_networking > /dev/null <<'EOF'
$LXC_SUDO tee $wait_networking >/dev/null <<'EOF'
#!/bin/sh -e
for d in $(seq 60); do
getent hosts wikipedia.org > /dev/null && break
@ -271,23 +271,22 @@ function lxc_container_mount() {
local config=$(lxc_config $name)
if ! $LXC_SUDO grep --quiet "lxc.mount.entry = $dir" $config ; then
local relative_dir=${dir##/}
$LXC_SUDO tee -a $config > /dev/null <<< "lxc.mount.entry = $dir $relative_dir none bind,create=dir 0 0"
if ! $LXC_SUDO grep --quiet "lxc.mount.entry = $dir" $config; then
local relative_dir=${dir##/}
$LXC_SUDO tee -a $config >/dev/null <<<"lxc.mount.entry = $dir $relative_dir none bind,create=dir 0 0"
fi
}
function lxc_container_start() {
local name="$1"
if lxc_running $name ; then
return
if lxc_running $name; then
return
fi
local logs
if $LXC_VERBOSE; then
logs="--logfile=/dev/tty"
logs="--logfile=/dev/tty"
fi
$LXC_SUDO lxc-start $logs $name
@ -298,8 +297,8 @@ function lxc_container_start() {
function lxc_container_stop() {
local name="$1"
$LXC_SUDO lxc-ls -1 --running --filter="^$name" | while read container ; do
$LXC_SUDO lxc-stop --kill --name="$container"
$LXC_SUDO lxc-ls -1 --running --filter="^$name" | while read container; do
$LXC_SUDO lxc-stop --kill --name="$container"
done
}
@ -307,9 +306,9 @@ function lxc_container_destroy() {
local name="$1"
local root="$2"
if lxc_exists "$name" ; then
lxc_container_stop $name $root
$LXC_SUDO lxc-destroy --force --name="$name"
if lxc_exists "$name"; then
lxc_container_stop $name $root
$LXC_SUDO lxc-destroy --force --name="$name"
fi
}
@ -319,6 +318,21 @@ function lxc_exists() {
test "$($LXC_SUDO lxc-ls --filter=^$name\$)"
}
function lxc_exists_and_apt_not_old() {
local name="$1"
if lxc_exists $name; then
if lxc_apt_is_old $name; then
$LXC_SUDO lxc-destroy --force --name="$name"
return 1
else
return 0
fi
else
return 1
fi
}
function lxc_running() {
local name="$1"
@ -328,8 +342,8 @@ function lxc_running() {
function lxc_build_template_release() {
local name="$(lxc_template_release)"
if lxc_exists $name ; then
return
if lxc_exists_and_apt_not_old $name; then
return
fi
local root=$(lxc_root $name)
@ -346,21 +360,35 @@ function lxc_build_template() {
local name="$1"
local newname="$2"
if lxc_exists $newname ; then
return
if lxc_exists_and_apt_not_old $newname; then
return
fi
if test "$name" = "$(lxc_template_release)" ; then
lxc_build_template_release
if test "$name" = "$(lxc_template_release)"; then
lxc_build_template_release
fi
if ! $LXC_SUDO lxc-copy --name=$name --newname=$newname ; then
echo lxc-copy --name=$name --newname=$newname failed
return 1
if ! $LXC_SUDO lxc-copy --name=$name --newname=$newname; then
echo lxc-copy --name=$name --newname=$newname failed
return 1
fi
lxc_container_configure $newname
}
function lxc_apt_age() {
local name="$1"
$LXC_SUDO stat --format %Y $(lxc_root $name)/var/cache/apt/pkgcache.bin
}
function lxc_apt_is_old() {
local name="$1"
local age=$(lxc_apt_age $name)
local too_old=$(date --date "$LXC_APT_TOO_OLD" +%s)
test $age -lt $too_old
}
function lxc_apt_install() {
local name="$1"
shift
@ -385,19 +413,19 @@ function lxc_install_lxc_inside() {
local prefixv6="${2:-$LXC_IPV6_PREFIX_DEFAULT}"
local packages="make git libvirt0 libpam-cgfs bridge-utils uidmap dnsmasq-base dnsmasq dnsmasq-utils qemu-user-static lxc-templates debootstrap"
if test "$(lxc_release)" = bookworm ; then
packages="$packages distro-info"
if test "$(lxc_release)" = bookworm; then
packages="$packages distro-info"
fi
lxc_apt_install_inside $packages
if ! grep --quiet LXC_ADDR=.$prefix.1. /etc/default/lxc-net ; then
systemctl disable --now dnsmasq
apt-get install -y -qq lxc
systemctl stop lxc-net
sed -i -e '/ConditionVirtualization/d' /usr/lib/systemd/system/lxc-net.service
systemctl daemon-reload
cat >> /etc/default/lxc-net <<EOF
if ! grep --quiet LXC_ADDR=.$prefix.1. /etc/default/lxc-net; then
systemctl disable --now dnsmasq
apt-get install -y -qq lxc
systemctl stop lxc-net
sed -i -e '/ConditionVirtualization/d' /usr/lib/systemd/system/lxc-net.service
systemctl daemon-reload
cat >>/etc/default/lxc-net <<EOF
LXC_ADDR="$prefix.1"
LXC_NETMASK="255.255.255.0"
LXC_NETWORK="$prefix.0/24"
@ -408,7 +436,7 @@ LXC_IPV6_MASK="64"
LXC_IPV6_NETWORK="$prefixv6::/64"
LXC_IPV6_NAT="true"
EOF
systemctl start lxc-net
systemctl start lxc-net
fi
}
@ -420,7 +448,7 @@ function lxc_install_docker() {
function lxc_install_docker_inside() {
mkdir /etc/docker
cat > /etc/docker/daemon.json <<EOF
cat >/etc/docker/daemon.json <<EOF
{
"ipv6": true,
"fixed-cidr-v6": "$LXC_IPV6_DOCKER_PREFIX_DEFAULT:1::/64",

View file

@ -101,7 +101,7 @@ ACTIONS IN THE CONTAINER
Install LXC in the `name` container to allow the creation of
named containers. `prefix` is a class C IP prefix from which
containers will obtain their IP (for instance 10.40.50). `prefixv6`
is an optional IPv6 private address prefix that defaults to fc15.
is an optional IPv6 private address prefix that defaults to fd15.
lxc_container_run `name` command [options...]
@ -129,32 +129,32 @@ EOF
function main() {
local options=$(getopt -o hvoc --long help,verbose,os:,config: -- "$@")
[ $? -eq 0 ] || {
echo "Incorrect options provided"
exit 1
echo "Incorrect options provided"
exit 1
}
eval set -- "$options"
while true; do
case "$1" in
-v | --verbose)
verbose
;;
-h | --help)
help
;;
-o | --os)
LXC_CONTAINER_RELEASE=$2
shift
;;
-c | --config)
LXC_CONTAINER_CONFIG="$2"
shift
;;
--)
shift
break
;;
esac
shift
case "$1" in
-v | --verbose)
verbose
;;
-h | --help)
help
;;
-o | --os)
LXC_CONTAINER_RELEASE=$2
shift
;;
-c | --config)
LXC_CONTAINER_CONFIG="$2"
shift
;;
--)
shift
break
;;
esac
shift
done
lxc_maybe_sudo