Cybree upgrade script (10 >> 11 >> 12 >> 13)

cybree-debian-upgrade-script.md

download script:

wget -O upgrade.sh 'https://gist.github.com/Bonveio/bb40b778b33ef06868c14c0240f25967/raw/upgrade.sh'

usage:

• Debian 10 to 11 bash upgrade.sh 11
• Debian 11 to 12 bash upgrade.sh 12
• Debian 12 to 13 bash upgrade.sh 13

upgrade.sh

#!/bin/bash
# shellcheck disable=SC1091,SC2086
## Intended only for Cybree cloud instance usage
## to use "bash upgrade.sh 11"
## another example: "./upgrade.sh 11"
APT_CONF='/etc/apt/sources.list'

## init first occurence
[[ ! -f /root/.IS_FIRST_RUN ]] && echo 1 > /root/.IS_FIRST_RUN;

RepoList(){
 [[ ! -f ${APT_CONF}.bckup ]] && mv ${APT_CONF} ${APT_CONF}.bckup;
 local o="${1}"
 case ${o} in
   10|buster)
   cat <<'EOF'> ${APT_CONF}
deb http://deb.debian.org/debian buster main
deb-src http://deb.debian.org/debian buster main
deb http://security.debian.org/debian-security buster-security main
deb-src http://security.debian.org/debian-security buster-security main
deb http://deb.debian.org/debian buster-updates main
deb-src http://deb.debian.org/debian buster-updates main
deb http://deb.debian.org/debian buster-backports main
deb-src http://deb.debian.org/debian buster-backports main
EOF
   ;;
   11|bullseye)
   cat <<'EOF'> ${APT_CONF}
deb http://deb.debian.org/debian bullseye main contrib
deb-src http://deb.debian.org/debian bullseye main contrib
deb http://deb.debian.org/debian-security/ bullseye-security main contrib
deb-src http://deb.debian.org/debian-security/ bullseye-security main contrib
deb http://deb.debian.org/debian bullseye-updates main contrib
deb-src http://deb.debian.org/debian bullseye-updates main contrib
deb http://deb.debian.org/debian bullseye-backports main contrib
deb-src http://deb.debian.org/debian bullseye-backports main contrib
EOF
   ;;
   12|bookworm)
   cat <<'EOF'> ${APT_CONF}
deb http://deb.debian.org/debian bookworm main contrib
deb-src http://deb.debian.org/debian bookworm main contrib
deb http://deb.debian.org/debian-security/ bookworm-security main contrib
deb-src http://deb.debian.org/debian-security/ bookworm-security main contrib
deb http://deb.debian.org/debian bookworm-updates main contrib
deb-src http://deb.debian.org/debian bookworm-updates main contrib
deb http://deb.debian.org/debian bookworm-backports main contrib
deb-src http://deb.debian.org/debian bookworm-backports main contrib
EOF
   ;;
   13|trixie)
   cat <<'EOF'> ${APT_CONF}
deb http://deb.debian.org/debian trixie main contrib
deb-src http://deb.debian.org/debian trixie main contrib
deb http://deb.debian.org/debian-security/ trixie-security main contrib
deb-src http://deb.debian.org/debian-security/ trixie-security main contrib
deb http://deb.debian.org/debian trixie-updates main contrib
deb-src http://deb.debian.org/debian trixie-updates main contrib
deb http://deb.debian.org/debian trixie-backports main contrib
deb-src http://deb.debian.org/debian trixie-backports main contrib
EOF
   ;;
   *)
    echo 'Invalid Debian version'
    echo 'Choose from 10~13'
    exit 1
   ;;
 esac
}

StartUpgrade(){
 ## Backup sshd_config first
 [[ ! -f /etc/ssh/sshd_config.bckup ]] && cp -f /etc/ssh/sshd_config /etc/ssh/sshd_config.bckup;
 unset VERSION_ID;source /etc/os-release;
 local OLD_VER="$VERSION_ID";local A="$OLD_VER"
 export DEBIAN_FRONTEND=noninteractive
 export aptopt='-o DPKg::Options::=--force-confnew -o DPkg::Options::=--force-overwrite --allow-unauthenticated -o Acquire::ForceIPv4=true'
 if [[ "$(cat /root/.IS_FIRST_RUN)" -eq 0 ]]; then
  apt autoremove -yf ${aptopt}
  apt autoclean
  apt clean
  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 fi
 rm -rf /var/lib/dpkg/lock /var/{lib/apt/lists/lock,cache/apt/archives/lock}
 apt update ${aptopt}
 dpkg --configure -a
 apt upgrade -yf ${aptopt}
 apt --fix-broken install -yf ${aptopt}
 rm -rf /var/lib/apt/lists/*
 RepoList "${1}"
 apt update ${aptopt}
 apt upgrade -yf ${aptopt}
 apt full-upgrade -yf ${aptopt}
 if [[ "$(cat /root/.IS_FIRST_RUN)" -eq 1 ]]; then
  echo 0 > /root/.IS_FIRST_RUN;
 else 
  [[ "$VERSION_ID" == "12" ]] && rm -f /root/.IS_FIRST_RUN;
  apt autoremove -yf ${aptopt}
 fi
 cp -f /etc/ssh/sshd_config.bckup /etc/ssh/sshd_config;systemctl -q restart ssh sshd;
 unset VERSION_ID;source /etc/os-release;
 local NEW_VER="$VERSION_ID";local B="$NEW_VER"
 local P0="Upgraded from Debian ${A} to Debian ${B}"
 if [[ "${A}" == "${B}" ]]; then
  echo "Upgrade failed, version still Debian $B";exit 1;
 else
  echo "${P0} success"
 fi
}

StartUpgrade ${1}
echo "Try to reboot your instance now to take effect"
exit 0