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rocknix-config-backup/lib-common.sh
2026-07-14 11:51:45 -03:00

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#!/usr/bin/env bash
# lib-common.sh - Shared functions for ROCKNIX backup/restore
set -euo pipefail
# Script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# Load configuration
source "$SCRIPT_DIR/config.sh"
# Resolve BACKUP_DIR relative to script
case "$BACKUP_DIR" in
/*) ;; # Absolute path, do nothing
*) BACKUP_DIR="${SCRIPT_DIR}/${BACKUP_DIR}" ;;
esac
# Colores
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color
# Logging
log() {
local level="$1"
shift
local msg="$*"
local timestamp
timestamp=$(date '+%Y-%m-%d %H:%M:%S')
case "$level" in
INFO) echo -e "${GREEN}[${timestamp}] INFO:${NC} $msg" ;;
WARN) echo -e "${YELLOW}[${timestamp}] WARN:${NC} $msg" ;;
ERROR) echo -e "${RED}[${timestamp}] ERROR:${NC} $msg" >&2 ;;
DEBUG) echo -e "${BLUE}[${timestamp}] DEBUG:${NC} $msg" ;;
esac
}
# Check dependencies
check_deps() {
local missing=()
for dep in tar dialog rsync sshpass; do
if ! command -v "$dep" &>/dev/null; then
missing+=("$dep")
fi
done
if [[ ${#missing[@]} -gt 0 ]]; then
log ERROR "Missing dependencies: ${missing[*]}"
log INFO "Install with: sudo dnf install ${missing[*]}"
return 1
fi
return 0
}
# Ask for password if not configured
ask_password() {
if [[ -z "$ROCKNIX_PASSWORD" ]]; then
read -s -p "Password for ${ROCKNIX_USER}@${ROCKNIX_HOST}: " ROCKNIX_PASSWORD
echo ""
if [[ -z "$ROCKNIX_PASSWORD" ]]; then
log ERROR "Empty password"
return 1
fi
fi
export ROCKNIX_PASSWORD
}
# Build SSH connection string
ssh_target() {
local host="${1:-$ROCKNIX_HOST}"
local user="${2:-$ROCKNIX_USER}"
echo "${user}@${host}"
}
# Verify SSH connection
ssh_check() {
local host="${1:-$ROCKNIX_HOST}"
local user="${2:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
log INFO "Checking connection to ${target}..."
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
if sshpass -p "$ROCKNIX_PASSWORD" ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no "$target" "echo ok" &>/dev/null; then
log INFO "Connection successful"
return 0
fi
else
if ssh -o ConnectTimeout=5 -o BatchMode=yes "$target" "echo ok" &>/dev/null; then
log INFO "Connection successful"
return 0
fi
fi
log ERROR "Could not connect to ${target}"
log INFO "Make sure SSH is enabled on the ROCKNIX console"
return 1
}
# Execute remote command
remote_exec() {
local cmd="$1"
local host="${2:-$ROCKNIX_HOST}"
local user="${3:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no "$target" "$cmd" 2>&1
else
ssh -o ConnectTimeout=10 "$target" "$cmd" 2>&1
fi
}
# List remote files
remote_list() {
local remote_path="$1"
local host="${2:-$ROCKNIX_HOST}"
local user="${3:-$ROCKNIX_USER}"
remote_exec "ls -la ${ROCKNIX_STORAGE}/${remote_path}/ 2>/dev/null" "$host" "$user"
}
# Download entire directory via rsync
download_dir() {
local remote_path="$1"
local local_path="$2"
local host="${3:-$ROCKNIX_HOST}"
local user="${4:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
mkdir -p "$local_path"
local rsync_opts=(-avz --timeout=30 -e "ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10")
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" rsync "${rsync_opts[@]}" \
"${target}:${ROCKNIX_STORAGE}/${remote_path}/" \
"${local_path}/" 2>&1
else
rsync "${rsync_opts[@]}" \
"${target}:${ROCKNIX_STORAGE}/${remote_path}/" \
"${local_path}/" 2>&1
fi
}
# Upload entire directory via rsync
upload_dir() {
local local_path="$1"
local remote_path="$2"
local host="${3:-$ROCKNIX_HOST}"
local user="${4:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
local rsync_opts=(-avz --timeout=30 -e "ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10")
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" rsync "${rsync_opts[@]}" \
"${local_path}/" \
"${target}:${ROCKNIX_STORAGE}/${remote_path}/" 2>&1
else
rsync "${rsync_opts[@]}" \
"${local_path}/" \
"${target}:${ROCKNIX_STORAGE}/${remote_path}/" 2>&1
fi
}
# Download a single file
download_file() {
local remote_file="$1"
local local_file="$2"
local host="${3:-$ROCKNIX_HOST}"
local user="${4:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
mkdir -p "$(dirname "$local_file")"
local rsync_opts=(-avz --timeout=30 -e "ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10")
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" rsync "${rsync_opts[@]}" \
"${target}:${ROCKNIX_STORAGE}/${remote_file}" \
"${local_file}" 2>&1
else
rsync "${rsync_opts[@]}" \
"${target}:${ROCKNIX_STORAGE}/${remote_file}" \
"${local_file}" 2>&1
fi
}
# Upload a single file
upload_file() {
local local_file="$1"
local remote_file="$2"
local host="${3:-$ROCKNIX_HOST}"
local user="${4:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
local rsync_opts=(-avz --timeout=30 -e "ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10")
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" rsync "${rsync_opts[@]}" \
"${local_file}" \
"${target}:${ROCKNIX_STORAGE}/${remote_file}" 2>&1
else
rsync "${rsync_opts[@]}" \
"${local_file}" \
"${target}:${ROCKNIX_STORAGE}/${remote_file}" 2>&1
fi
}
# Direct backup via tar over SSH (no temporary files)
backup_via_ssh() {
local files=("$@")
local host="${ROCKNIX_HOST}"
local user="${ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
# Build remote tar command
local tar_args=""
for file in "${files[@]}"; do
tar_args="${tar_args} ${ROCKNIX_STORAGE}/${file}"
done
# Execute remote tar and compress locally
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
sshpass -p "$ROCKNIX_PASSWORD" ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no "$target" \
"tar czf - -C ${ROCKNIX_STORAGE} ${tar_args}" 2>/dev/null
else
ssh -o ConnectTimeout=10 "$target" \
"tar czf - -C ${ROCKNIX_STORAGE} ${tar_args}" 2>/dev/null
fi
}
# Detect ROCKNIX device
detect_device() {
local host="${1:-$ROCKNIX_HOST}"
local user="${2:-$ROCKNIX_USER}"
local target
target=$(ssh_target "$host" "$user")
log INFO "Detecting device..." >&2
local device_info
if [[ -n "$ROCKNIX_PASSWORD" ]]; then
device_info=$(sshpass -p "$ROCKNIX_PASSWORD" ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no "$target" \
"cat ${ROCKNIX_STORAGE}/device_info_ROCKNIX_*.txt 2>/dev/null" 2>/dev/null || true)
else
device_info=$(ssh -o ConnectTimeout=5 "$target" \
"cat ${ROCKNIX_STORAGE}/device_info_ROCKNIX_*.txt 2>/dev/null" 2>/dev/null || true)
fi
if [[ -n "$device_info" ]]; then
local device_name
device_name=$(echo "$device_info" | grep "^DEVICE_NAME=" | cut -d'=' -f2 | tr -d '"')
local cfw_version
cfw_version=$(echo "$device_info" | grep "^CFW_VERSION=" | cut -d'=' -f2 | tr -d '"')
if [[ -n "$device_name" ]]; then
log INFO "Device: ${device_name} (ROCKNIX ${cfw_version})" >&2
echo "${device_name}"
return 0
fi
fi
log WARN "Could not detect device" >&2
echo "Unknown"
return 1
}
# Create temporary directory
create_tmp_dir() {
local prefix="${1:-rocknix-backup}"
local tmp_dir
tmp_dir=$(mktemp -d "/tmp/${prefix}-XXXXXX")
echo "$tmp_dir"
}
# Clean up temporary directory
cleanup_tmp() {
local tmp_dir="$1"
if [[ -d "$tmp_dir" ]]; then
rm -rf "$tmp_dir"
fi
}
# Get human-readable size
human_size() {
local bytes="$1"
if [[ $bytes -ge 1073741824 ]]; then
echo "$(echo "scale=1; $bytes/1073741824" | bc)G"
elif [[ $bytes -ge 1048576 ]]; then
echo "$(echo "scale=1; $bytes/1048576" | bc)M"
elif [[ $bytes -ge 1024 ]]; then
echo "$(echo "scale=1; $bytes/1024" | bc)K"
else
echo "${bytes}B"
fi
}
# Filter device-specific settings from file
filter_specific_settings() {
local input_file="$1"
local output_file="$2"
cp "$input_file" "$output_file"
for setting in "${GENERIC_SETTINGS_FILTER[@]}"; do
sed -i "/^${setting} = /d" "$output_file"
done
}
# Show contents of a backup file
show_backup_contents() {
local backup_file="$1"
if [[ ! -f "$backup_file" ]]; then
log ERROR "File not found: $backup_file"
return 1
fi
echo ""
log INFO "Backup contents:"
tar -tzf "$backup_file" | head -50
local total_files
total_files=$(tar -tzf "$backup_file" | wc -l)
local total_size
total_size=$(du -h "$backup_file" | cut -f1)
echo ""
echo -e "${CYAN}Total: ${total_files} archivos, ${total_size}${NC}"
}