feat: universal zero-downtime migration from legacy WireGuard/Go stack to operator-docker

00-migrate-root.sh

@@ -76,6 +76,8 @@ ok "Legacy WireGuard: $LEGACY_WG"
 sep
 info "Detecting legacy stack location..."
 LEGACY_COMPOSE_DIR=""
+
+# Search in known paths first
 for DIR in "$LINUX_HOME/sp-env-wireguard" \
            "$LINUX_HOME/sp-env-wireguard-ipv6" \
            "$LINUX_HOME/wireguard" \
@@ -88,6 +90,15 @@ for DIR in "$LINUX_HOME/sp-env-wireguard" \
         break
     fi
 done
+
+# Fallback: search entire home directory
+if [ -z "$LEGACY_COMPOSE_DIR" ]; then
+    LEGACY_COMPOSE_DIR=$(find "$LINUX_HOME" -maxdepth 6 -name "docker-compose.yml" 2>/dev/null | \
+        while read -r f; do
+            grep -q "wireguard" "$f" 2>/dev/null && dirname "$f" && break
+        done | head -1)
+fi
+
 [ -z "$LEGACY_COMPOSE_DIR" ] && fail "Legacy docker-compose.yml not found."
 ok "Legacy stack: $LEGACY_COMPOSE_DIR"
 echo "$LEGACY_COMPOSE_DIR" > "$BACKUP_DIR/legacy_compose_dir"
@@ -244,4 +255,4 @@ echo "  Once SP authorizes access, run:"
 echo "  bash 01-migrate-user.sh"
 echo ""
 echo "  Log: cat $LOG"
-echo "========================================="
+echo "========================================="

01-migrate-user.sh

@@ -9,18 +9,6 @@ if [ "$EUID" -eq 0 ]; then
     exit 1
 fi
 
-RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; RESET='\033[0m'
-#!/bin/bash -eu
-# =============================================================================
-# 01-migrate-user.sh — Run as Linux user (not root)
-# Installs operator-docker and prepares for peer migration
-# Auto-rollback: restores nginx, certs and legacy stack on failure
-# =============================================================================
-if [ "$EUID" -eq 0 ]; then
-    echo "[X] Run as your Linux user, not root"
-    exit 1
-fi
-
 RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; RESET='\033[0m'
 
 BACKUP_DIR="$HOME/.wg-migration"
@@ -79,7 +67,14 @@ echo "[START-01] $(date '+%Y-%m-%d %H:%M:%S')" >> "$LOG"
 sep
 info "Checking prerequisites..."
 
-docker info &>/dev/null || fail "No Docker access. Run: sudo usermod -aG docker $USER && newgrp docker"
+if ! docker info &>/dev/null; then
+    if groups | grep -q docker; then
+        fail "Docker socket not accessible. Try logging out and back in."
+    else
+        warn "No Docker access — re-launching with docker group..."
+        exec newgrp docker "$0" "$@"
+    fi
+fi
 
 [ -f "$BACKUP_DIR/private_key" ]        || fail "No backup found. Run: sudo bash 00-migrate-root.sh"
 [ -f "$BACKUP_DIR/wg0-legacy.conf" ]    || fail "No peer backup found. Run: sudo bash 00-migrate-root.sh"
@@ -246,4 +241,4 @@ echo "========================================="
 echo "  Installation complete"
 echo "  Next: bash 02-migrate-peers.sh"
 echo "========================================="
-echo ""
+echo ""

02-migrate-peers.sh

@@ -64,7 +64,14 @@ echo "[START-02] $(date '+%Y-%m-%d %H:%M:%S')" >> "$LOG"
 sep
 info "Checking prerequisites..."
 
-docker info &>/dev/null || fail "No Docker access. Run: sudo usermod -aG docker $USER && newgrp docker"
+if ! docker info &>/dev/null; then
+    if groups | grep -q docker; then
+        fail "Docker socket not accessible. Try logging out and back in."
+    else
+        warn "No Docker access — re-launching with docker group..."
+        exec newgrp docker "$0" "$@"
+    fi
+fi
 
 [ -f "$BACKUP_DIR/private_key" ]        || fail "No private key backup found."
 [ -f "$BACKUP_DIR/wg0-legacy.conf" ]    || fail "No peer backup found."
@@ -142,7 +149,7 @@ echo "[WIREGUARD-START] $(date '+%Y-%m-%d %H:%M:%S')" >> "$LOG"
 
 cd "$OPERATOR_DIR"
 sudo modprobe ip6table_filter 2>/dev/null || true
-docker compose up -d wireguard
+docker compose up -d --force-recreate wireguard
 info "Waiting for startup..."
 sleep 8
 
@@ -267,4 +274,4 @@ echo "  Existing users reconnect automatically"
 echo "  without new configuration."
 echo ""
 echo "  Log: cat $LOG"
-echo "========================================="
+echo "========================================="