Files
netstack-backuptools-bash/backupfiles_to_nfs.sh
2024-12-20 12:06:40 +01:00

138 lines
3.7 KiB
Bash

#!/bin/bash
# BackupNFS Tool 0.3 - NFS-Sicherung
# Programm von Netstack GmbH
################# CONFIG #####################
nfsmount="192.168.0.1:/backupshare"
nfsmountdir="/data/nfs_backup"
hostname="$(hostname -f)"
backupdir="$nfsmountdir/$hostname"
datadir=(/path/to/files /path/to/files/2)
datenbank=(dbname dbname2)
date1="$(date +%a)"
date2="$(date +%A %d.%m.%Y)"
dbuser="DBUSER"
dbpass="DBPASS"
email="monitor@example.com"
mailsubject="Backup - $hostname"
mailtext="/tmp/mailtext.txt"
################# FUNCTIONS #####################
log_message() {
echo -e "$1" | tee -a "$mailtext"
}
send_mail() {
(
echo "To: $email"
echo "Subject: $mailsubject"
echo "Content-Type: text/plain"
echo
cat $mailtext
) | msmtp $email
}
check_and_install_package() {
local pkg="$1"
if ! dpkg -l | grep -q "$pkg"; then
log_message "Installing $pkg..."
sudo apt-get update && sudo apt-get install -y "$pkg"
if [ $? -ne 0 ]; then
log_message "Failed to install $pkg. Exiting..."
send_mail
exit 1
fi
fi
}
create_directory() {
local dir="$1"
if [ ! -d "$dir" ]; then
mkdir -p "$dir"
if [ $? -ne 0 ]; then
log_message "Error creating directory: $dir"
send_mail
exit 1
fi
fi
}
mount_nfs() {
mount | grep -q "$nfsmountdir"
if [ $? -ne 0 ]; then
log_message "Mounting NFS share $nfsmount to $nfsmountdir..."
mount "$nfsmount" "$nfsmountdir"
if [ $? -ne 0 ]; then
log_message "Error mounting NFS share. Exiting..."
send_mail
exit 1
fi
fi
}
backup_files() {
for dir in "${datadir[@]}"; do
if [ -d "$dir" ]; then
local sanitized_dir="${dir%/}" # Entfernt abschließenden Slash
local name="$(basename "$sanitized_dir")" # Extrahiert den Ordnernamen
if [ -z "$name" ]; then
log_message "Error: Unable to extract directory name for path $dir."
send_mail
exit 1
fi
log_message "Backing up directory $dir to $backupdir/files/${name}_$date1.tar.gz..."
tar -Pczf "$backupdir/files/${name}_$date1.tar.gz" "$dir" --ignore-failed-read --warning=no-file-changed
if [ $? -ne 0 ]; then
log_message "Error backing up $dir. Exiting..."
send_mail
exit 1
fi
else
log_message "Error: Directory $dir does not exist. Skipping..."
fi
done
}
backup_mysql() {
for db in "${datenbank[@]}"; do
local dump_file="$backupdir/mysql/${db}_$date1.sql"
log_message "Creating MySQL dump for database $db..."
mysqldump -u"$dbuser" -p"$dbpass" --opt "$db" > "$dump_file"
if [ $? -ne 0 ]; then
log_message "Error creating MySQL dump for $db. Exiting..."
send_mail
exit 1
fi
log_message "Compressing dump file $dump_file..."
gzip -f -9 "$dump_file"
if [ $? -ne 0 ]; then
log_message "Error compressing $dump_file. Exiting..."
send_mail
exit 1
fi
done
}
################# MAIN SCRIPT #####################
>"$mailtext" # Clear mail text
log_message "Starting backup script for $hostname on $date2"
check_and_install_package "nfs-common"
check_and_install_package "msmtp"
create_directory "$nfsmountdir"
mount_nfs
create_directory "$backupdir"
create_directory "$backupdir/mysql"
create_directory "$backupdir/files"
backup_files
backup_mysql
umount "$nfsmountdir"
log_message "Backup completed successfully."
send_mail
exit 0