Add backup/restore scripts and update web/admin UI
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ske087
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#!/bin/bash
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# =============================================================================
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# Server Monitorizare v2 - Migration Restore Script
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# =============================================================================
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# Restores a backup archive produced by backup_system.sh onto a new server.
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#
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# Usage:
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# ./scripts/restore_backup.sh <backup.tar.gz> [--db-only] [--ansible-only]
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#
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# What it does:
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# 1. Extracts the archive to a temp staging area
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# 2. Restores the SQLite database (with a safety backup of any existing DB)
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# 3. Restores Ansible inventory, playbooks, ssh_keys, ansible.cfg
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# 4. Restores WMT releases and ansible_settings.json
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# 5. Fixes SSH key permissions (must be 600 for Ansible)
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# 6. Prints post-restore checklist
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#
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# For a fresh server install, run this AFTER:
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# pip install -r requirements.txt
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# =============================================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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APP_DIR="$(dirname "$SCRIPT_DIR")"
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TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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log() { echo "[$(date '+%H:%M:%S')] $*"; }
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ok() { echo " [OK] $*"; }
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warn() { echo " [WARN] $*"; }
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err() { echo " [ERROR] $*" >&2; }
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usage() {
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echo "Usage: $0 <path/to/backup.tar.gz> [--db-only | --ansible-only]"
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echo ""
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echo "Options:"
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echo " --db-only Restore only the SQLite database"
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echo " --ansible-only Restore only Ansible files (inventory, playbooks, ssh_keys)"
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echo ""
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echo "Example:"
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echo " $0 data/backups/smv2_backup_20260708_020000.tar.gz"
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exit 1
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}
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# ---------------------------------------------------------------------------
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# Parse args
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# ---------------------------------------------------------------------------
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ARCHIVE="${1:-}"
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MODE="all" # all | db-only | ansible-only
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YES=0 # set to 1 by --yes to skip interactive confirmation
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[[ -n "$ARCHIVE" ]] || usage
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[[ -f "$ARCHIVE" ]] || { err "Archive not found: $ARCHIVE"; exit 1; }
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for arg in "${@:2}"; do
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case "$arg" in
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--db-only) MODE="db-only" ;;
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--ansible-only) MODE="ansible-only" ;;
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--yes|-y) YES=1 ;;
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*) err "Unknown option: $arg"; usage ;;
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esac
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done
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# ---------------------------------------------------------------------------
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# Extract archive
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# ---------------------------------------------------------------------------
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log "Extracting archive: $ARCHIVE"
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STAGE_DIR=$(mktemp -d)
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trap 'rm -rf "$STAGE_DIR"' EXIT
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tar -xzf "$ARCHIVE" -C "$STAGE_DIR"
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log "Extracted to staging: $STAGE_DIR"
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# Show manifest if present
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if [[ -f "$STAGE_DIR/BACKUP_MANIFEST.txt" ]]; then
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echo ""
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echo "=== Backup Manifest ==="
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cat "$STAGE_DIR/BACKUP_MANIFEST.txt"
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echo "========================"
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echo ""
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fi
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# ---------------------------------------------------------------------------
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# Confirm before proceeding
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# ---------------------------------------------------------------------------
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if [[ "$YES" == "1" ]]; then
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log "Non-interactive mode (--yes) — proceeding automatically."
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else
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read -r -p "Proceed with restore to $APP_DIR ? [y/N] " confirm
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[[ "${confirm,,}" == "y" ]] || { log "Aborted."; exit 0; }
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fi
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# ---------------------------------------------------------------------------
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# Restore: SQLite database
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# ---------------------------------------------------------------------------
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restore_db() {
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local src="$STAGE_DIR/enhanced_monitoring.db"
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local dst="$APP_DIR/data/enhanced_monitoring.db"
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if [[ ! -f "$src" ]]; then
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warn "No database file in archive — skipping DB restore"
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return
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fi
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mkdir -p "$APP_DIR/data"
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# Safety backup of any existing database
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if [[ -f "$dst" ]]; then
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local safety_bak="${dst}.pre_restore_${TIMESTAMP}.bak"
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cp "$dst" "$safety_bak"
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ok "Existing DB saved as safety backup: $(basename "$safety_bak")"
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fi
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cp "$src" "$dst"
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ok "Database restored: $dst ($(du -sh "$dst" | cut -f1))"
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# Quick sanity check
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local dev_count; dev_count=$(sqlite3 "$dst" "SELECT COUNT(*) FROM devices;" 2>/dev/null || echo "?")
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ok "Devices in restored DB: $dev_count"
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}
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# ---------------------------------------------------------------------------
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# Restore: Ansible files
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# ---------------------------------------------------------------------------
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restore_ansible() {
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local src="$STAGE_DIR/ansible"
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if [[ ! -d "$src" ]]; then
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warn "No ansible/ directory in archive — skipping"
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return
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fi
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# Backup existing ansible dir if present
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if [[ -d "$APP_DIR/ansible" ]]; then
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local bak="$APP_DIR/ansible.pre_restore_${TIMESTAMP}.bak"
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mv "$APP_DIR/ansible" "$bak"
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ok "Existing ansible/ moved to: $(basename "$bak")"
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fi
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cp -a "$src" "$APP_DIR/ansible"
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# Critical: SSH private key must be 600 or Ansible rejects it
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if [[ -f "$APP_DIR/ansible/ssh_keys/app_key" ]]; then
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chmod 600 "$APP_DIR/ansible/ssh_keys/app_key"
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ok "SSH private key permissions set to 600"
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fi
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ok "Ansible directory restored"
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ok "Playbooks: $(ls "$APP_DIR/ansible/playbooks/"*.yml 2>/dev/null | wc -l) files"
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ok "Inventory hosts: $(grep -c 'ansible_host:' "$APP_DIR/ansible/inventory/dynamic_inventory.yaml" 2>/dev/null || echo 0)"
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}
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# ---------------------------------------------------------------------------
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# Restore: WMT releases
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# ---------------------------------------------------------------------------
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restore_wmt_releases() {
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local src="$STAGE_DIR/wmt_releases"
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if [[ ! -d "$src" ]]; then return; fi
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mkdir -p "$APP_DIR/data/wmt_releases"
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# Only copy files not already present (don't overwrite newer releases)
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for f in "$src"/*; do
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local fname; fname=$(basename "$f")
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if [[ ! -f "$APP_DIR/data/wmt_releases/$fname" ]]; then
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cp "$f" "$APP_DIR/data/wmt_releases/"
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ok "WMT release restored: $fname"
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else
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ok "WMT release already present (skipped): $fname"
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fi
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done
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}
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# ---------------------------------------------------------------------------
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# Restore: ansible_settings.json
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# ---------------------------------------------------------------------------
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restore_settings() {
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local src="$STAGE_DIR/ansible_settings.json"
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if [[ ! -f "$src" ]]; then return; fi
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local dst="$APP_DIR/data/ansible_settings.json"
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if [[ -f "$dst" ]]; then
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cp "$dst" "${dst}.pre_restore_${TIMESTAMP}.bak"
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fi
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cp "$src" "$dst"
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ok "ansible_settings.json restored"
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}
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# ---------------------------------------------------------------------------
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# Restore: config/
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# ---------------------------------------------------------------------------
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restore_config() {
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local src="$STAGE_DIR/config"
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if [[ ! -d "$src" ]]; then return; fi
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if [[ -d "$APP_DIR/config" ]]; then
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ok "config/ already present — skipping (manual merge may be needed)"
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warn "Backup config is in: $STAGE_DIR/config/ (not auto-applied)"
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return
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fi
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cp -a "$src" "$APP_DIR/config"
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ok "config/ restored"
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}
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# ---------------------------------------------------------------------------
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# Dispatch
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# ---------------------------------------------------------------------------
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log "Restore mode: $MODE"
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case "$MODE" in
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all)
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restore_db
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restore_ansible
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restore_wmt_releases
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restore_settings
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restore_config
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;;
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db-only)
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restore_db
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;;
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ansible-only)
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restore_ansible
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restore_settings
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;;
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esac
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# ---------------------------------------------------------------------------
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# Post-restore checklist
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# ---------------------------------------------------------------------------
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echo ""
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echo "================================================================"
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echo " Post-Restore Checklist"
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echo "================================================================"
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echo " 1. Install Python dependencies (if fresh server):"
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echo " cd $APP_DIR && pip install -r requirements.txt"
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echo ""
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echo " 2. Start the application:"
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echo " cd $APP_DIR && python main.py"
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echo ""
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echo " 3. Verify device list loads at: http://<new-server-ip>:5000"
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echo ""
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echo " 4. Test Ansible connectivity:"
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echo " cd $APP_DIR/ansible && ansible -i inventory/dynamic_inventory.yaml all -m ping --limit 1"
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echo ""
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echo " 5. If the new server IP has changed, update any WMT devices"
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echo " pointing to the old server URL (wmt_global_config.server_log_url)"
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echo " via the admin UI or:"
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echo " sqlite3 data/enhanced_monitoring.db \\"
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echo " \"UPDATE wmt_global_config SET server_log_url='http://<NEW_IP>:5000/api/log';\""
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echo ""
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echo " 6. Re-install cron backup on the new server:"
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echo " bash $SCRIPT_DIR/backup_system.sh install-cron"
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echo ""
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echo "================================================================"
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log "Restore completed."
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