74 lines
2.5 KiB
Bash
74 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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# Setup script environment
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set -o errexit #Exit immediately if a pipeline returns a non-zero status
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set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
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set -o nounset #Treat unset variables as an error
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set -o pipefail #Pipe will exit with last non-zero status if applicable
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shopt -s expand_aliases
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alias die='EXIT=$? LINE=$LINENO error_exit'
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trap die ERR
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trap cleanup EXIT
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function error_exit() {
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trap - ERR
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local DEFAULT='Unknown failure occured.'
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local REASON="\e[97m${1:-$DEFAULT}\e[39m"
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local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
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msg "$FLAG $REASON"
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exit $EXIT
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}
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function msg() {
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local TEXT="$1"
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echo -e "$TEXT"
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}
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function cleanup() {
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popd >/dev/null
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rm -rf $TEMP_DIR
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}
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TEMP_DIR=$(mktemp -d)
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pushd $TEMP_DIR >/dev/null
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# Array of device types to enable in container
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#CHAR_DEVS+=(major:minor)
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CHAR_DEVS+=("1:1") #mem (physical memory access)
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CHAR_DEVS+=("4:\([3-9]\|[1-5][0-9]\|6[0-3]\)") #tty* (virtual console, minor 3-63)
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CHAR_DEVS+=("4:\(6[4-9]\|[7-9][0-9]\|1[0-9][0-9]\|2[0-4][0-9]\|25[0-5]\)") #ttyS* (UART serial port, minor 64-255)
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CHAR_DEVS+=("10:200") #net/tun (TAP/TUN network device)
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CHAR_DEVS+=("116:.*") #(ALSA devices)
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CHAR_DEVS+=("166:.*") #ttyACM* (ACM USB modems)
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CHAR_DEVS+=("180:\([0-9]\|1[0-5]\)") #usb/hiddev* (UPS devices, minor 0-15)
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CHAR_DEVS+=("188:.*") #ttyUSB* (USB serial converters)
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CHAR_DEVS+=("189:.*") #bus/usb/* (USB serial converters - alternate devices)
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# Proccess char device string
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for char_dev in ${CHAR_DEVS[@]}; do
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[ ! -z "${CHAR_DEV_STRING-}" ] && CHAR_DEV_STRING+=" -o"
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CHAR_DEV_STRING+=" -regex \".*/${char_dev}\""
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done
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# Store autodev hook script in variable
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read -r -d '' HOOK_SCRIPT <<- EOF || true
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for char_dev in \$(find /sys/dev/char -regextype sed $CHAR_DEV_STRING); do
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dev="/dev/\$(sed -n "/DEVNAME/ s/^.*=\(.*\)$/\1/p" \${char_dev}/uevent)";
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mkdir -p \$(dirname \${LXC_ROOTFS_MOUNT}\${dev});
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for link in \$(udevadm info --query=property \$dev | sed -n "s/DEVLINKS=//p"); do
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mkdir -p \${LXC_ROOTFS_MOUNT}\$(dirname \$link);
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cp -dpR \$link \${LXC_ROOTFS_MOUNT}\${link};
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done;
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cp -dpR \$dev \${LXC_ROOTFS_MOUNT}\${dev};
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done;
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EOF
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HOOK_SCRIPT=${HOOK_SCRIPT//$'\n'/} #Remove newline char from variable
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# Remove autodev settings
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CTID=$1
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CTID_CONFIG_PATH=/etc/pve/lxc/${CTID}.conf
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sed '/autodev/d' $CTID_CONFIG_PATH >CTID.conf
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cat CTID.conf >$CTID_CONFIG_PATH
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# Add autodev settings
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cat <<EOF >> $CTID_CONFIG_PATH
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lxc.autodev: 1
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lxc.hook.autodev: bash -c '$HOOK_SCRIPT'
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EOF
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