117 lines
3.5 KiB
Bash
117 lines
3.5 KiB
Bash
#!/bin/bash
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# Configuration
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BACKUP_SCRIPT="/home/litespeed/mb-backups/backup_all.sh"
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LOG_DIR="/home/litespeed/mb-backups/logs/auto"
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ACTION_LOG_FILE="${LOG_DIR}/schedule_actions.log"
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BACKUP_LOG_PREFIX="${LOG_DIR}/backup_"
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# Ensure the log directory exists
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mkdir -p "$LOG_DIR"
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log_action() {
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" >> "$ACTION_LOG_FILE"
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}
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check_and_install_cron() {
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if ! command -v crontab &> /dev/null; then
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echo "Cron is not installed. Installing..."
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sudo dnf install -y cronie || { echo "Failed to install cron."; exit 1; }
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fi
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if ! systemctl is-active --quiet crond; then
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echo "Starting cron service..."
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sudo systemctl start crond
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sudo systemctl enable crond
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fi
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if systemctl is-active --quiet crond; then
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echo "Cron service is running."
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else
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echo "Failed to start cron service."
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log_action "Failed to start cron service."
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exit 1
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fi
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}
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validate_cron_syntax() {
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local schedule="$1"
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if ! echo "$schedule" | grep -Eq '^(\*|[0-9]|[0-5][0-9]) (\*|[0-9]|1[0-9]|2[0-3]) (\*|[0-9]|3[0-1]) (\*|[1-9]|1[0-2]) (\*|[0-6])$'; then
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echo "Invalid cron schedule format: $schedule"
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log_action "Invalid cron schedule format: $schedule"
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exit 1
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fi
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}
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add_update_cron_job() {
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local action="$1"
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local schedule="$2"
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local restic_password="$3"
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validate_cron_syntax "$schedule"
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if [ -z "$restic_password" ]; then
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echo "Restic password is required."
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log_action "Attempted to $action a schedule without providing a Restic password."
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exit 1
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fi
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local restic_path="/usr/local/bin/restic"
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if [ ! -x "$restic_path" ]; then
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echo "Error: restic not found at $restic_path. Please verify installation."
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log_action "restic not found at $restic_path"
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exit 1
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fi
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# Prepare the cron job command
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local cmd="SHELL=/bin/bash"
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cmd+=" PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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cmd+=" RESTIC_PASSWORD=\"$restic_password\""
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cmd+=" $BACKUP_SCRIPT"
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cmd+=" > \"${BACKUP_LOG_PREFIX}\$(date +\\%Y-\\%m-\\%d_\\%H-\\%M-\\%S).log\" 2>&1"
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# Debug: Output the command to verify
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echo "Adding the following cron job:"
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echo "$schedule $cmd"
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# Remove any existing lines containing $BACKUP_SCRIPT, then add the new one
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(crontab -l 2>/dev/null | grep -v "$BACKUP_SCRIPT"; echo "$schedule $cmd") | crontab -
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if crontab -l | grep -q "$BACKUP_SCRIPT"; then
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echo "Cron job $action successfully."
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log_action "Cron job $action successfully: $schedule"
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else
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echo "Failed to $action cron job. Please check logs for details."
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log_action "Failed to $action cron job: $schedule"
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exit 1
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fi
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}
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# Main execution
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check_and_install_cron
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case $1 in
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add|update)
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if [ "$#" -ne 3 ]; then
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echo "Usage for add/update: $0 {add|update} 'schedule' 'restic_password'"
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log_action "Incorrect usage for $1. Format not followed."
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exit 1
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else
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add_update_cron_job "$1" "$2" "$3"
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fi
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;;
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remove)
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tmp_cron=$(mktemp)
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crontab -l 2>/dev/null | grep -v "$BACKUP_SCRIPT" > "$tmp_cron"
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crontab "$tmp_cron"
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rm -f "$tmp_cron"
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echo "All backup schedules removed."
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log_action "All backup schedules removed."
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;;
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*)
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echo "Invalid action: $1. Use add, update, or remove."
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log_action "Invalid action attempted: $1"
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exit 1
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;;
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esac
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