From 6c1b5665723dc977f5c44201ebff1908120eba6f Mon Sep 17 00:00:00 2001
From: Steven Seifried <gitlab@canox.net>
Date: Thu, 13 Jan 2022 20:04:10 +0100
Subject: [PATCH] Added lxc-autodev.sh

---
 lxc-autodev.sh | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 lxc-autodev.sh

diff --git a/lxc-autodev.sh b/lxc-autodev.sh
new file mode 100644
index 0000000..8eb7f64
--- /dev/null
+++ b/lxc-autodev.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+while true; do
+    printf "Did you replaced 100 with your LXC ID?\n" 
+    read -p "Proceed(y/n)?" yn
+    case $yn in
+        [Yy]* ) break;;
+        [Nn]* ) exit;;
+        * ) echo "Please answer yes or no.";;
+    esac
+done
+
+set -o errexit
+set -o errtrace
+set -o nounset
+set -o pipefail
+shopt -s expand_aliases
+alias die='EXIT=$? LINE=$LINENO error_exit'
+trap die ERR
+trap cleanup EXIT
+
+function error_exit() {
+  trap - ERR
+  local DEFAULT='Unknown failure occured.'
+  local REASON="\e[97m${1:-$DEFAULT}\e[39m"
+  local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
+  msg "$FLAG $REASON"
+  exit $EXIT
+}
+function msg() {
+  local TEXT="$1"
+  echo -e "$TEXT"
+}
+function cleanup() {
+  popd >/dev/null
+  rm -rf $TEMP_DIR
+}
+TEMP_DIR=$(mktemp -d)
+pushd $TEMP_DIR >/dev/null
+
+CHAR_DEVS+=("1:1")
+CHAR_DEVS+=("4:\([3-9]\|[1-5][0-9]\|6[0-3]\)")
+CHAR_DEVS+=("4:\(6[4-9]\|[7-9][0-9]\|1[0-9][0-9]\|2[0-4][0-9]\|25[0-5]\)")
+CHAR_DEVS+=("10:200")
+CHAR_DEVS+=("116:.*")
+CHAR_DEVS+=("166:.*")
+CHAR_DEVS+=("180:\([0-9]\|1[0-5]\)")
+CHAR_DEVS+=("188:.*")
+CHAR_DEVS+=("189:.*")
+CHAR_DEVS+=("24[0-2]:.*")
+
+for char_dev in ${CHAR_DEVS[@]}; do
+  [ ! -z "${CHAR_DEV_STRING-}" ] && CHAR_DEV_STRING+=" -o"
+  CHAR_DEV_STRING+=" -regex \".*/${char_dev}\""
+done
+
+read -r -d '' HOOK_SCRIPT <<- EOF || true
+for char_dev in \$(find /sys/dev/char -regextype sed $CHAR_DEV_STRING); do
+  dev="/dev/\$(sed -n "/DEVNAME/ s/^.*=\(.*\)$/\1/p" \${char_dev}/uevent)";
+  mkdir -p \$(dirname \${LXC_ROOTFS_MOUNT}\${dev});
+  for link in \$(udevadm info --query=property \$dev | sed -n "s/DEVLINKS=//p"); do
+    mkdir -p \${LXC_ROOTFS_MOUNT}\$(dirname \$link);
+    cp -dpR \$link \${LXC_ROOTFS_MOUNT}\${link};
+  done;
+  cp -dpR \$dev \${LXC_ROOTFS_MOUNT}\${dev};
+done;
+EOF
+HOOK_SCRIPT=${HOOK_SCRIPT//$'\n'/}
+
+CTID=$1
+CTID_CONFIG_PATH=/etc/pve/lxc/${CTID}.conf
+sed '/autodev/d' $CTID_CONFIG_PATH >CTID.conf
+cat CTID.conf >$CTID_CONFIG_PATH
+
+cat <<EOF >> $CTID_CONFIG_PATH
+lxc.autodev: 1
+lxc.hook.autodev: bash -c '$HOOK_SCRIPT'
+EOF