forked from URZ/admin-tools
99 lines
2.5 KiB
Bash
Executable File
99 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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##############################################################
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#
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# This script saves the main config directories and (if
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# activated) saves them on the central syslog server.
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#
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# Hostname, additional folders and the syslog setting can be
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# set in the config file '/etc/default/BackupServerConfig'.
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#
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##############################################################
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set -ou pipefail
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###########################################################
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# Global systemd/journald Functions
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###########################################################
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function INFO {
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echo "$1"
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echo "$1" | systemd-cat -p info -t "$(basename "$0" .sh)"
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}
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function WARNING {
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echo "WARNING: $1" >&2
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echo "$1" | systemd-cat -p warning -t "$(basename "$0" .sh)"
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}
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function ERROR {
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echo "ERROR: $1" >&2
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echo "$1" | systemd-cat -p err -t "$(basename "$0" .sh)"
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}
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###########################################################
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if [[ -r /etc/default/BackupServerConfig ]]; then
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source /etc/default/BackupServerConfig
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fi
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BACKUP_PATH=/var/backups
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BACKUP_FILE="$(hostname -f).tar"
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BACKUP_HOSTNAME=${BACKUP_HOSTNAME:-}
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BACKUP_OBJ=${BACKUP_OBJ:-}
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FTPHOST=${FTPHOST:-}
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INFO "BackupServerConfig started..."
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if [[ -n $BACKUP_HOSTNAME ]]; then
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BACKUP_FILE="$BACKUP_HOSTNAME.tar"
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fi
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INSTALLEDPACKAGES=$(mktemp)
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dpkg --get-selections > "$INSTALLEDPACKAGES"
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cd /tmp/ || exit 1
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tar -cPf "$BACKUP_FILE" /etc
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tar -rPf "$BACKUP_FILE" /root/.bashrc
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tar -rPf "$BACKUP_FILE" /root/.ssh
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tar -rPf "$BACKUP_FILE" --transform "s|$INSTALLEDPACKAGES|/installed_packages.txt|" "$INSTALLEDPACKAGES"
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if [[ -n $BACKUP_OBJ ]]; then
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for BO in $BACKUP_OBJ; do
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tar --exclude=".git" -rPf "$BACKUP_FILE" "$BO"
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done
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fi
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gzip -9 -f "$BACKUP_FILE" && mv -f "$BACKUP_FILE.gz" $BACKUP_PATH
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rm -f "$INSTALLEDPACKAGES"
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if [[ -n "$FTPHOST" ]]; then
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if [[ -z "$GPGKEY" ]]; then
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ERROR "GPG key required for ftp server backup. Remote ftp backup aborted!"
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exit 1
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fi
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if [[ -z "$FTPDIR" ]]; then
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ERROR "FTP subdirectory required for ftp server backup. Remote ftp backup aborted!"
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exit 1
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fi
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TMP=$(gpg --list-keys --with-colons | grep "$GPGKEY")
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if [[ -z "$TMP" ]]; then
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ERROR "Public key for encryption of server configuration data not found. Remote ftp backup aborted!"
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exit 1
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fi
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cd $BACKUP_PATH || exit 1
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rm -f "$BACKUP_FILE.gz.gpg"
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gpg --encrypt -r "$GPGKEY" --trusted-key "$GPGKEY" "$BACKUP_FILE.gz"
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ftp -p -n "$FTPHOST" <<EOI
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quote USER anonymous
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quote PASS anonymous@anonymous.com
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cd $FTPDIR
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put "$BACKUP_FILE.gz.gpg"
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quit
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EOI
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fi
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INFO "BackupServerConfig successful"
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exit 0
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