simple shell script to backup home server files and VMs to external drive

This commit is contained in:
arul 2024-11-11 17:59:35 +00:00
commit 7b0108c236
4 changed files with 183 additions and 0 deletions

0
README.md Normal file
View File

99
backup-server Executable file
View File

@ -0,0 +1,99 @@
#!/bin/bash
# Check if the script is run with sudo
if [ "$EUID" -ne 0 ]; then
echo "Please run this script with sudo."
exit 1
fi
#Check whether server VMs are in shutdown state if not..shutdown the VMs
./check-server1
./check-server2
# Define source directories using the explicit path to your home directory
VM_DIR_MY_PLATFORMS="/home/arul/my_platforms/"
VM_DIR_LDR_SERVER="/home/arul/ldr-server/"
NGINX_DIR="/etc/nginx/sites-available/"
BACKUP_DRIVE="/mnt/my-drive/server-backup"
DEVICE="/dev/sdb1" # Device name for the backup drive
# Check if the backup drive is mounted; if not, attempt to mount it
if ! mountpoint -q /mnt/my-drive; then
echo "Backup drive is not mounted. Attempting to mount $DEVICE..."
mount $DEVICE /mnt/my-drive
if [ $? -ne 0 ]; then
echo "Error: Failed to mount the drive. Please check the device path and try again."
exit 1
fi
echo "Backup drive mounted successfully."
fi
# Ensure the main backup directory exists, and create necessary subdirectories if they don't exist
echo "Setting up backup directory structure..."
mkdir -p "$BACKUP_DRIVE/my_platforms" "$BACKUP_DRIVE/ldr-server" "$BACKUP_DRIVE/home-server_nginx"
if [ $? -ne 0 ]; then
echo "Error: Failed to create backup directories. Please check permissions and try again."
exit 1
fi
# Set permissions for the newly created backup directories
chmod 700 "$BACKUP_DRIVE"
chmod 755 "$BACKUP_DRIVE/my_platforms" "$BACKUP_DRIVE/ldr-server" "$BACKUP_DRIVE/home-server_nginx"
echo "Backup directory structure set up with appropriate permissions."
# Backup VM files from my_platforms if the source directory exists
if [ -d "$VM_DIR_MY_PLATFORMS" ]; then
echo "Backing up VM files from my_platforms..."
rsync -avh --progress --no-owner --no-group "$VM_DIR_MY_PLATFORMS" "$BACKUP_DRIVE/my_platforms/"
echo "Backup of my_platforms completed."
else
echo "Warning: $VM_DIR_MY_PLATFORMS does not exist. Skipping backup for my_platforms."
fi
# Backup VM files from ldr-server if the source directory exists
if [ -d "$VM_DIR_LDR_SERVER" ]; then
echo "Backing up VM files from ldr-server..."
rsync -avh --progress --no-owner --no-group "$VM_DIR_LDR_SERVER" "$BACKUP_DRIVE/ldr-server/"
echo "Backup of ldr-server completed."
else
echo "Warning: $VM_DIR_LDR_SERVER does not exist. Skipping backup for ldr-server."
fi
# Backup Nginx configuration files
echo "Backing up Nginx configuration files..."
rsync -avh --progress --no-owner --no-group "$NGINX_DIR" "$BACKUP_DRIVE/home-server_nginx/"
echo "Backup of Nginx configuration completed."
# Set permissions for Nginx configuration files
echo "Setting permissions for Nginx configuration files..."
chmod 644 "$BACKUP_DRIVE/home-server_nginx/"*
echo "Permissions set for Nginx files."
# Set permissions for VM files if the directories exist
if [ -d "$BACKUP_DRIVE/my_platforms" ]; then
echo "Setting permissions for VM files in my_platforms..."
chmod 600 "$BACKUP_DRIVE/my_platforms/"*
fi
if [ -d "$BACKUP_DRIVE/ldr-server" ]; then
echo "Setting permissions for VM files in ldr-server..."
chmod 600 "$BACKUP_DRIVE/ldr-server/"*
fi
# Remove executable permissions from backed up files
echo "Removing executable permissions from backed up files..."
chmod -x "$BACKUP_DRIVE/my_platforms/"* "$BACKUP_DRIVE/ldr-server/"* "$BACKUP_DRIVE/home-server_nginx/"*
echo "Executable permissions removed."
echo "All backups completed successfully!"
figlet "Done"
echo "Unmounting the External backup drive"
umount -l /mnt/my-drive
# Reboot the system after the backup
echo "Rebooting the system..."
reboot

42
check-server1 Executable file
View File

@ -0,0 +1,42 @@
#!/bin/bash
# Define server IP, port, and SSH key path for selfhost-1
SERVER_IP="192.168.29.251"
SERVER_PORT="2222"
SERVER_NAME="selfhost-1 server VM"
SSH_KEY_PATH="/home/arul/.ssh/id_ed25519" # Add your SSH key path here
echo "[-] Shutting down $SERVER_NAME"
ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" root@"$SERVER_IP" "poweroff"
# Wait for 10 seconds to give the server time to power off
echo "[*] Waiting for the server to shut down..."
sleep 10
# Check if the server is off by attempting to SSH and expecting failure
echo "[*] Verifying server shutdown..."
SERVER_OFF=false
MAX_RETRIES=5
for i in $(seq 1 "$MAX_RETRIES"); do
# Try to SSH into the server
ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" -o ConnectTimeout=5 root@"$SERVER_IP" "exit" 2>/dev/null
# Check if the SSH command failed, indicating the server is off
if [ $? -ne 0 ]; then
echo "[+] $SERVER_NAME is powered off."
SERVER_OFF=true
break
else
echo "[*] Server is still shutting down. Checking again in 5 seconds..."
sleep 5
fi
done
# Final check to ensure no warning message if the server is off
if [ "$SERVER_OFF" = false ]; then
echo "[!] Warning: $SERVER_NAME did not shut down as expected."
else
echo "[+] Proceeding with the rest of the script."
fi

42
check-server2 Executable file
View File

@ -0,0 +1,42 @@
#!/bin/bash
# Define server IP, port, and SSH key path
SERVER_IP="192.168.29.251"
SERVER_PORT="2223"
SERVER_NAME="selfhost-2 server VM"
SSH_KEY_PATH="/home/arul/.ssh/id_ed25519" # Add your SSH key path here
echo "[-] Shutting down $SERVER_NAME"
ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" root@"$SERVER_IP" "poweroff"
# Wait for 10 seconds to give the server time to power off
echo "[*] Waiting for the server to shut down..."
sleep 10
# Check if the server is off by attempting to SSH and expecting failure
echo "[*] Verifying server shutdown..."
SERVER_OFF=false
MAX_RETRIES=5
for i in $(seq 1 "$MAX_RETRIES"); do
# Try to SSH into the server
ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" -o ConnectTimeout=5 root@"$SERVER_IP" "exit" 2>/dev/null
# Check if the SSH command failed, indicating the server is off
if [ $? -ne 0 ]; then
echo "[+] $SERVER_NAME is powered off."
SERVER_OFF=true
break
else
echo "[*] Server is still shutting down. Checking again in 5 seconds..."
sleep 5
fi
done
# Final check to ensure no warning message if the server is off
if [ "$SERVER_OFF" = false ]; then
echo "[!] Warning: $SERVER_NAME did not shut down as expected."
else
echo "[+] Proceeding with the rest of the script."
fi