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retry loop for rsync backup entry

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Ali
2025-06-28 12:11:20 +01:00
parent 8658dac58c
commit 1351b73824
1 changed files with 29 additions and 9 deletions
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38
setup_harden_debian_ubuntu.sh
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@@ -798,17 +798,36 @@ setup_backup() {
print_info "Root SSH key already exists at $ROOT_SSH_KEY." print_info "Root SSH key already exists at $ROOT_SSH_KEY."
fi fi
# Ask for backup destination details # Ask for backup destination details with retry logic
read -rp "$(echo -e "${CYAN}Enter backup destination (e.g., user@host or u45555-sub4@u45555.your-storagebox.de): ${NC}")" BACKUP_DEST local BACKUP_DEST BACKUP_PORT REMOTE_BACKUP_DIR
local retry_count=0
local max_retries=3
while true; do
read -rp "$(echo -e "${CYAN}Enter backup destination (e.g., user@host or u45555-sub4@u45555.your-storagebox.de): ${NC}")" BACKUP_DEST
BACKUP_DEST=${BACKUP_DEST:-user@host}
if [[ "$BACKUP_DEST" =~ ^[a-zA-Z0-9_-]+@[a-zA-Z0-9.-]+$ ]]; then
break
else
print_error "Invalid backup destination format. Expected user@host."
(( retry_count++ ))
if [[ $retry_count -lt $max_retries ]]; then
print_info "Please try again ($retry_count/$max_retries attempts)."
else
print_warning "Maximum retries ($max_retries) reached for backup destination."
if confirm "Proceed with potentially invalid destination '$BACKUP_DEST'?" "n"; then
print_info "Proceeding with user-provided destination: $BACKUP_DEST"
break
else
print_info "Resetting retries. Please enter a valid backup destination."
retry_count=0
fi
fi
fi
done
read -rp "$(echo -e "${CYAN}Enter SSH port for backup destination [22]: ${NC}")" BACKUP_PORT read -rp "$(echo -e "${CYAN}Enter SSH port for backup destination [22]: ${NC}")" BACKUP_PORT
read -rp "$(echo -e "${CYAN}Enter remote backup path (e.g., /home/myvps_backup/): ${NC}")" REMOTE_BACKUP_DIR read -rp "$(echo -e "${CYAN}Enter remote backup path (e.g., /home/myvps_backup/): ${NC}")" REMOTE_BACKUP_DIR
BACKUP_DEST=${BACKUP_DEST:-user@host}
BACKUP_PORT=${BACKUP_PORT:-22} BACKUP_PORT=${BACKUP_PORT:-22}
REMOTE_BACKUP_DIR=${REMOTE_BACKUP_DIR:-/home/backup/} REMOTE_BACKUP_DIR=${REMOTE_BACKUP_DIR:-/home/backup/}
if [[ ! "$BACKUP_DEST" =~ ^[a-zA-Z0-9_-]+@[a-zA-Z0-9.-]+$ ]]; then
print_error "Invalid backup destination format. Expected user@host."
exit 1
fi
if ! validate_port "$BACKUP_PORT"; then if ! validate_port "$BACKUP_PORT"; then
print_error "Invalid SSH port. Must be between 1024 and 65535." print_error "Invalid SSH port. Must be between 1024 and 65535."
exit 1 exit 1
@@ -818,6 +837,7 @@ setup_backup() {
exit 1 exit 1
fi fi
# --- Remainder of setup_backup function unchanged ---
# Optional SSH key copy attempt # Optional SSH key copy attempt
if confirm "Attempt to copy SSH key to the backup destination now? (Requires password)"; then if confirm "Attempt to copy SSH key to the backup destination now? (Requires password)"; then
if ssh-copy-id -p "$BACKUP_PORT" -s "$BACKUP_DEST" 2>/dev/null; then if ssh-copy-id -p "$BACKUP_PORT" -s "$BACKUP_DEST" 2>/dev/null; then
@@ -890,8 +910,8 @@ EOF
read -rp "$(echo -e "${CYAN}Enter cron schedule (e.g., '0 3 * * *' for daily at 3 AM): ${NC}")" CRON_SCHEDULE read -rp "$(echo -e "${CYAN}Enter cron schedule (e.g., '0 3 * * *' for daily at 3 AM): ${NC}")" CRON_SCHEDULE
CRON_SCHEDULE=${CRON_SCHEDULE:-0 3 * * *} CRON_SCHEDULE=${CRON_SCHEDULE:-0 3 * * *}
if ! echo "$CRON_SCHEDULE" | grep -qE '^((\*|[0-9,-]+(/[0-9]+)?)\s*){5}$'; then if ! echo "$CRON_SCHEDULE" | grep -qE '^((\*|[0-9,-]+(/[0-9]+)?)\s*){5}$'; then
print_error "Invalid cron expression. Using default daily at 3 AM." print_error "Invalid cron expression. Using default daily at 3 AM."
CRON_SCHEDULE="0 3 * * *" CRON_SCHEDULE="0 3 * * *"
fi fi
# Ask for notification preference # Ask for notification preference
local NOTIFICATION_SETUP="none" NTFY_URL NTFY_TOPIC NTFY_TOKEN DISCORD_WEBHOOK local NOTIFICATION_SETUP="none" NTFY_URL NTFY_TOPIC NTFY_TOKEN DISCORD_WEBHOOK