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Container Update Script

The following is the LXC updater script from Proxmox VE Helper-Scripts. I've got it here should that site ever go down. ttek, I hope your health improves, and if not, we'll see you on the followingother scriptside brochacho. Your work to runthe on a schedule to update my containers. Following thiscommunity will schedulenever ago weeklyunnoticed updateor atbe 0300 on Sunday.

In the shell, do:

nano /opt/autoupdate.sh

and enter this:forgotten!

#!/usr/bin/env bash

# updateCopyright all(c) containers2021-2024 tteck
# listAuthor: oftteck container(tteckster)
ids# weLicense: needMIT
to# iteratehttps://github.com/tteck/Proxmox/raw/main/LICENSE

throughfunction containers=header_info {
  clear
  cat <<"EOF"
   __  __          __      __          __   _  ________
  / / / /___  ____/ /___ _/ /____     / /  | |/ / ____/
 / / / / __ \/ __  / __ `/ __/ _ \   / /   |   / /
/ /_/ / /_/ / /_/ / /_/ / /_/  __/  / /___/   / /___
\____/ .___/\__,_/\__,_/\__/\___/  /_____/_/|_\____/
    /_/

EOF
}
set -eEuo pipefail
YW=$(/usr/sbin/echo "\033[33m")
BL=$(echo "\033[36m")
RD=$(echo "\033[01;31m")
CM='\xE2\x9C\x94\033'
GN=$(echo "\033[1;92m")
CL=$(echo "\033[m")
header_info
echo "Loading..."
whiptail --backtitle "Proxmox VE Helper Scripts" --title "Proxmox VE LXC Updater" --yesno "This Will Update LXC Containers. Proceed?" 10 58 || exit
NODE=$(hostname)
EXCLUDE_MENU=()
MSG_MAX_LENGTH=0
while read -r TAG ITEM; do
  OFFSET=2
  ((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET
  EXCLUDE_MENU+=("$TAG" "$ITEM " "OFF")
done < <(pct list | tailawk 'NR>1')
excluded_containers=$(whiptail -n-backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --checklist "\nSelect containers to skip from updates:\n" 16 $((MSG_MAX_LENGTH + 23)) 6 "${EXCLUDE_MENU[@]}" 3>&1 1>&2 2>&3 | cuttr -f1d '"') || exit

function needs_reboot() {
    local container=$1
    local os=$(pct config "$container" | awk '/^ostype/ {print $2}')
    local reboot_required_file="/var/run/reboot-required.pkgs"
    if [ -d'f ')"$reboot_required_file" ]; then
        if [[ "$os" == "ubuntu" || "$os" == "debian" ]]; then
            if pct exec "$container" -- [ -s "$reboot_required_file" ]; then
                return 0
            fi
        fi
    fi
    return 1
}

function update_container() {
  container=$1
  header_info
  name=$(pct exec "$container" hostname)
  os=$(pct config "$container" | awk '/^ostype/ {print $2}')
  if [[ "$os" == "ubuntu" || "$os" == "debian" || "$os" == "fedora" ]]; then
    disk_info=$(pct exec "$container" df /boot | awk 'NR==2{gsub("%","",$5); printf "%s %.1fG %.1fG %.1fG", $5, $3/1024/1024, $2/1024/1024, $4/1024/1024 }')
    read -ra disk_info_array <<<"$disk_info"
    echo -e "${BL}[Info]${GN} Updating $container"{BL}$container${CL} #: to${GN}$name${CL} chain- commands${YW}Boot withinDisk: one${disk_info_array[0]}% execfull we[${disk_info_array[1]}/${disk_info_array[2]} willused, need${disk_info_array[3]} tofree]${CL}\n"
  wrapelse
    themecho -e "${BL}[Info]${GN} Updating ${BL}$container${CL} : ${GN}$name${CL} - ${YW}[No disk info for ${os}]${CL}\n"
  fi
  case "$os" in
  bashalpine) /usr/sbin/pct exec "$containercontainer" -- ash -c "apk update && apk upgrade" ;;
  archlinux) pct exec "$container" -- bash -c "aptpacman -Syyu --noconfirm" ;;
  fedora | rocky | centos | alma) pct exec "$container" -- bash -c "dnf -y update && apt upgradednf -y upgrade" ;;
  ubuntu | debian | devuan) pct exec "$container" -- bash -c "apt-get update 2>/dev/null | grep 'packages.*upgraded'; apt list --upgradable && apt autoremoveapt-get -y"yq dist-upgrade 2>&1; rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED" ;;
  opensuse) pct exec "$container" -- bash -c "zypper ref && zypper --non-interactive dup" ;;
  esac
}

containers_needing_reboot=()
header_info
for container in $containers(pct list | awk '{if(NR>1) print $1}'); do
  if [[ " ${excluded_containers[@]} " =~ " $container " ]]; then
    header_info
    echo -e "${BL}[Info]${GN} Skipping ${BL}$container${CL}"
    sleep 1
  else
    status=`/usr/sbin/$(pct status $container`container)
    template=$(pct config $container | grep -q "template:" && echo "true" || echo "false")
    if [ "$template" == "false" ] && [ "$status" == "status: stopped" ]; then
      echo -e "${BL}[Info]${GN} StartingStarting${BL} $container /usr/sbin/${CL} \n"
      pct start $container
      echo -e "${BL}[Info]${GN} SleepingWaiting 5For${BL} seconds$container${CL}${GN} To Start ${CL} \n"
      sleep 5
      update_container $container
      echo -e "${BL}[Info]${GN} Shutting downdown${BL} $container /usr/sbin/${CL} \n"
      pct shutdown $container &
    elif [ "$status" == "status: running" ]; then
      update_container $container
    fi
    done;if pct exec "$container" -- [ -e "/var/run/reboot-required" ]; then
        # Get the container's hostname and add it to the list
        container_hostname=$(pct exec "$container" hostname)
        containers_needing_reboot+=("$container ($container_hostname)")
    fi
  fi
done
wait
header_info
echo -e "${GN}The process is complete, and the containers have been successfully updated.${CL}\n"
if [ "${#containers_needing_reboot[@]}" -gt 0 ]; then
    echo -e "${RD}The following containers require a reboot:${CL}"
    for container_name in "${containers_needing_reboot[@]}"; do
        echo "$container_name"
    done
fi
echo ""

This will start any stopped containers, update them, then shut them back down. Any containers running when this is executed will stay running

To schedule this, I used crontab:

crontab -e

Add this line:

0 3 * * 0 /bin/bash /opt/autoupdate.sh

You may need to update permissions for the script:

chmod +x /opt/autoupdate.sh

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