Upgrade des Komponenten- und Appservers

Achtung: Diese Anleitung gilt NICHT für ein Upgrade der Datenbank!

Für das Update von Debian 11 auf 12 können Sie folgendes Skript nutzen:

#!/bin/bash

# Debian bullseye -> bookworm upgrade script
# (C) 2024
    #
#   # #   Enginsight GmbH
# # # #   Geschäftsführer: Mario Jandeck, Eric Range
# #   #   Hans-Knöll-Straße 6, 07745 Jena
  #   

function restore_backup() {
    find /etc/apt/ -type f -name '*.list.backup' -exec bash -c 'mv $0 ${0%.backup}' {} \;
    echo "Upgrade failed. Restored backup files"
}

logFileName=/var/log/$(date +%Y%m%d%H%M%S)_upgrade.log
echo "Log will be written to $logFileName"
{
    set -e -u

    export DEBIAN_FRONTEND=noninteractive

    echo "Checking whether apt-get update currently runs successfully"
    apt-get -y update

    echo "Checking whether any packages are held or broken"
    audit=$(dpkg --audit)
    if [[ $audit ]]
    then
        echo "Cannot upgrade: you have held or broken packages. Please fix this situation manually and attempt the upgrade again"
        echo $audit
        exit 1
    fi
    
    echo "Backing up sources.list files"
    find /etc/apt/ -type f -name '*.list' -exec cp {} {}.backup \;

    # Install GnuPG if necessary
    if ! dpkg -l | grep -q gnupg
    then
        apt-get install -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-confdef -y gnupg
    fi

    echo "Replacing bullseye with bookworm in all sources.list files"
    find /etc/apt/ -type f -name '*.list' -exec sed -E -i 's/(deb.*?https?:\/\/.*debian\.org\/debian\/?\s+)bullseye(.*)/\1bookworm\2/g' {} \;

    if [[ -f /etc/apt/sources.list.d/microsoft-prod.list ]] && [[ -f /etc/apt/trusted.gpg.d/microsoft.asc.gpg ]]
    then
        rm /etc/apt/sources.list.d/microsoft-prod.list
        curl -L "https://packages.microsoft.com/config/debian/12/prod.list" -o /etc/apt/sources.list.d/microsoft-prod.list
        cp /etc/apt/trusted.gpg.d/microsoft.asc.gpg /usr/share/keyrings/microsoft-prod.gpg
    fi

    if dpkg -l | grep -q docker-ce
    then
        find /etc/apt/ -type f -name '*.list' -exec sed -E -i 's/(deb.*?https?:\/\/.*docker\.com[^\s]+\s+)bullseye(.*)/\1bookworm\2/g' {} \;
    fi

    # Check if MongoDB key is present and update repo information accordingly
    if apt-key finger | grep -qE 'F567\s*9A22\s*2C64\s*7C87\s*527C\s*2F8C\s*B00A\s*0BD1\s*E2C6\s*3C11'
    then
        # Delete old key
        apt-key del "F5679A222C647C87527C2F8CB00A0BD1E2C63C11"
        # Add new key
        curl -fsSL https://www.mongodb.org/static/pgp/server-8.0.asc | apt-key add -
        # Upgrade repo
        find /etc/apt/ -type f -name '*.list' -exec sed -i 's/bullseye\/mongodb-org\/5.0/bookworm\/mongodb-org\/8.0/g' {} \;
    fi

    echo "Disabling backports repositories"
    find /etc/apt/ -type f -name '*.list' -exec sed -E -i 's/(.*backports.*)/#\1/g' {} \;

    # https://www.debian.org/releases/bullseye/amd64/release-notes/ch-upgrading.en.html#clean-up-leftover-configuration-files
    echo "Cleaning up leftover configuration files"
    find /etc -name '*.dpkg-*' -o -name '*.ucf-*' -o -name '*.merge-error' -exec rm {} \;

    echo "Running apt update"
    apt-get -y update --allow-releaseinfo-change

    echo "Performing minimal upgrade"
    apt-get --without-new-pkgs -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-confdef -y upgrade

    echo "Performing remaining upgrade steps"
    apt-get -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-confdef -y full-upgrade
    
    echo "Removing unnecessary packages"
    apt-get -y autoremove --purge

    removed=$(dpkg -l | awk '/^rc/ { print $2 }')
    if [[ $removed ]]
    then
        echo "Purging removed packages"
        apt purge -y $removed
    fi

    echo "Upgrade completed. Please reboot the system"
} |& tee $logFileName

ret=${PIPESTATUS[0]}
if [ $ret -ne 0 ]; then restore_backup; fi
exit $ret