initial working

scripts/test-failover.sh

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+#!/bin/bash
+# test-failover.sh
+# Script per testare il failover automatico
+
+VIP="192.168.1.210"
+VM1_IP="192.168.1.201"
+VM2_IP="192.168.1.202"
+
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+echo "=== Test Failover HA ==="
+echo ""
+
+# Determina chi ha il VIP
+if ssh root@$VM1_IP "ip addr show | grep -q $VIP" &>/dev/null; then
+    MASTER_VM=$VM1_IP
+    MASTER_NAME="VM1"
+    BACKUP_VM=$VM2_IP
+    BACKUP_NAME="VM2"
+elif ssh root@$VM2_IP "ip addr show | grep -q $VIP" &>/dev/null; then
+    MASTER_VM=$VM2_IP
+    MASTER_NAME="VM2"
+    BACKUP_VM=$VM1_IP
+    BACKUP_NAME="VM1"
+else
+    echo -e "${RED}Errore: nessuna VM ha il VIP!${NC}"
+    exit 1
+fi
+
+echo -e "${GREEN}$MASTER_NAME ($MASTER_VM) è attualmente MASTER${NC}"
+echo -e "${YELLOW}$BACKUP_NAME ($BACKUP_VM) è attualmente BACKUP${NC}"
+echo ""
+
+read -p "Vuoi simulare un failure del MASTER? (y/N) " -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+    echo "Test annullato"
+    exit 0
+fi
+
+echo ""
+echo "1. Stato iniziale:"
+echo "   VIP su: $MASTER_NAME"
+ping -c 1 -W 2 $VIP &>/dev/null && echo -e "   ${GREEN}VIP risponde al ping${NC}" || echo -e "   ${RED}VIP non risponde${NC}"
+
+echo ""
+echo "2. Simulo failure di $MASTER_NAME (stop keepalived)..."
+ssh root@$MASTER_VM "docker compose -f /opt/myapp/docker-compose.yml stop keepalived"
+
+echo ""
+echo "3. Attendo failover (15 secondi)..."
+sleep 15
+
+echo ""
+echo "4. Verifico nuovo MASTER:"
+if ssh root@$BACKUP_VM "ip addr show | grep -q $VIP" &>/dev/null; then
+    echo -e "   ${GREEN}✓ $BACKUP_NAME ha preso il VIP (FAILOVER RIUSCITO!)${NC}"
+else
+    echo -e "   ${RED}✗ $BACKUP_NAME non ha il VIP (FAILOVER FALLITO!)${NC}"
+fi
+
+echo ""
+echo "5. Test connettività VIP:"
+if ping -c 1 -W 2 $VIP &>/dev/null; then
+    echo -e "   ${GREEN}✓ VIP risponde al ping${NC}"
+else
+    echo -e "   ${RED}✗ VIP non risponde${NC}"
+fi
+
+echo ""
+echo "6. Test servizi FTP:"
+if timeout 5 bash -c "echo quit | nc $VIP 21" &>/dev/null; then
+    echo -e "   ${GREEN}✓ FTP risponde${NC}"
+else
+    echo -e "   ${YELLOW}⚠ FTP non risponde (potrebbe essere normale)${NC}"
+fi
+
+echo ""
+read -p "Vuoi ripristinare il MASTER originale? (y/N) " -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo ""
+    echo "7. Ripristino $MASTER_NAME..."
+    ssh root@$MASTER_VM "docker compose -f /opt/myapp/docker-compose.yml start keepalived"
+    
+    echo "   Attendo 15 secondi..."
+    sleep 15
+    
+    if ssh root@$MASTER_VM "ip addr show | grep -q $VIP" &>/dev/null; then
+        echo -e "   ${GREEN}✓ $MASTER_NAME ha ripreso il VIP${NC}"
+    else
+        echo -e "   ${YELLOW}⚠ $BACKUP_NAME ha ancora il VIP (normale)${NC}"
+    fi
+fi
+
+echo ""
+echo "=== Test completato ==="