feat: Add backup and security hardening

This commit is contained in:
2025-11-08 00:28:17 +01:00
parent 8de3f16ee6
commit 96f521a474
23 changed files with 5696 additions and 939 deletions

View File

@@ -0,0 +1,188 @@
#!/bin/sh
# System configuration backup script
# Backs up /etc and dotfiles (lightweight backup)
set -e
# Config
CONFIG_FILE="/etc/backup.conf"
LOG_DIR="${HOME}/.local/var/log"
LOG_FILE="${LOG_DIR}/backup.log"
LOCK_FILE="/tmp/backup-configs.lock"
# Ensure log directory exists
mkdir -p "$LOG_DIR"
# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'
log() {
echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" >> "$LOG_FILE"
echo "$*"
}
error() {
printf "${RED}✖${NC} %s\n" "$1"
log "ERROR: $1"
}
info() {
printf "${BLUE}${NC} %s\n" "$1"
log "INFO: $1"
}
success() {
printf "${GREEN}✓${NC} %s\n" "$1"
log "SUCCESS: $1"
}
# Load config
if [ ! -f "$CONFIG_FILE" ]; then
error "Configuration file not found: $CONFIG_FILE"
exit 1
fi
# shellcheck source=/dev/null
. "$CONFIG_FILE"
# Create lock file
if [ -f "$LOCK_FILE" ]; then
error "Config backup already running"
exit 1
fi
trap 'rm -f "$LOCK_FILE"' EXIT
touch "$LOCK_FILE"
# Start backup
log "=========================================="
log "Starting CONFIGURATION BACKUP"
log "=========================================="
# Check NAS connectivity
info "Checking NAS connectivity..."
if ! ssh -p "$NAS_PORT" -o ConnectTimeout=5 -o BatchMode=yes \
"${NAS_USER}@${NAS_HOST}" "echo test" >/dev/null 2>&1; then
error "SSH connection to NAS failed"
exit 1
fi
success "NAS is reachable"
# Create backup directory name with timestamp
BACKUP_NAME="config-$(date +%Y%m%d-%H%M%S)"
BACKUP_DEST="${NAS_USER}@${NAS_HOST}:${NAS_PATH}/${BACKUP_NAME}"
info "Backup destination: ${BACKUP_DEST}"
# Create temporary directory for staging
TEMP_DIR=$(mktemp -d)
trap 'rm -rf "$TEMP_DIR" 2>/dev/null; rm -f "$LOCK_FILE"' EXIT
CONFIG_STAGE="$TEMP_DIR/configs"
mkdir -p "$CONFIG_STAGE"
# Copy /etc (excluding large/unnecessary files)
info "Copying system configs from /etc..."
rsync -a --delete \
--exclude='ssl/certs' \
--exclude='ca-certificates' \
/etc/ "$CONFIG_STAGE/etc/" 2>/dev/null || true
# Copy important dotfiles from home
info "Copying dotfiles..."
mkdir -p "$CONFIG_STAGE/home"
# Copy select dotfiles and configs
for item in \
.zshrc .bashrc .gitconfig .gitmux.conf \
.config/nvim \
.config/hypr \
.config/waybar \
.config/tmux \
.config/bat \
.config/starship.toml \
.config/ghostty \
.config/alxndrhi \
.local/share/chezmoi; do
if [ -e "/home/alexander/$item" ]; then
mkdir -p "$(dirname "$CONFIG_STAGE/home/$item")"
cp -r "/home/alexander/$item" "$CONFIG_STAGE/home/$item" 2>/dev/null || true
fi
done
# Copy portage config
info "Copying Portage configuration..."
if [ -d /etc/portage ]; then
mkdir -p "$CONFIG_STAGE/portage"
cp -r /etc/portage/* "$CONFIG_STAGE/portage/" 2>/dev/null || true
fi
# Copy system scripts
info "Copying custom scripts..."
if [ -d /usr/local/bin ]; then
mkdir -p "$CONFIG_STAGE/scripts"
cp -r /usr/local/bin/* "$CONFIG_STAGE/scripts/" 2>/dev/null || true
fi
# Create a manifest file
info "Creating backup manifest..."
cat > "$CONFIG_STAGE/MANIFEST.txt" <<EOF
Configuration Backup
Created: $(date)
Hostname: $(hostname)
Kernel: $(uname -r)
Contents:
- /etc (system configuration)
- Dotfiles from /home/alexander
- Portage configuration (/etc/portage)
- Custom scripts (/usr/local/bin)
To restore:
rsync -av etc/ /etc/
rsync -av home/ /home/alexander/
rsync -av portage/ /etc/portage/
rsync -av scripts/ /usr/local/bin/
EOF
# Run rsync backup to NAS
info "Uploading to NAS..."
if rsync -avz --delete \
--rsync-path="mkdir -p ${NAS_PATH}/${BACKUP_NAME} && rsync" \
-e "ssh -p ${NAS_PORT}" \
"$CONFIG_STAGE/" \
"$BACKUP_DEST" >> "$LOG_FILE" 2>&1; then
success "Backup completed successfully!"
# Update last backup timestamp
LAST_BACKUP_FILE="${HOME}/.local/var/backup/last-backup"
mkdir -p "$(dirname "$LAST_BACKUP_FILE")"
date +%s > "$LAST_BACKUP_FILE"
# Log backup size
BACKUP_SIZE=$(ssh -p "$NAS_PORT" "${NAS_USER}@${NAS_HOST}" \
"du -sh '${NAS_PATH}/${BACKUP_NAME}' 2>/dev/null | cut -f1" || echo "unknown")
info "Backup size: $BACKUP_SIZE"
# Clean up old backups
info "Cleaning up old backups (keeping last ${RETENTION_COUNT})..."
ssh -p "$NAS_PORT" "${NAS_USER}@${NAS_HOST}" \
"cd '${NAS_PATH}' && ls -t | grep '^config-' | tail -n +$((RETENTION_COUNT + 1)) | xargs -r rm -rf" \
>> "$LOG_FILE" 2>&1 || true
else
error "Backup failed! Check $LOG_FILE for details"
exit 1
fi
log "=========================================="
log "Backup completed at $(date)"
log "=========================================="