117 lines
3.3 KiB
Bash
Executable File
117 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# test-failover.sh
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# Script per testare il failover automatico
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VIP="192.168.1.210"
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VM1_IP="192.168.1.201"
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VM2_IP="192.168.1.202"
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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RED='\033[0;31m'
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NC='\033[0m'
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echo "=== Test Failover HA ==="
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echo ""
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# Determina chi ha il VIP
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if ssh -p 2222 root@$VM1_IP "ip addr show | grep -q $VIP" &>/dev/null; then
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MASTER_VM=$VM1_IP
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MASTER_NAME="VM1"
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BACKUP_VM=$VM2_IP
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BACKUP_NAME="VM2"
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elif ssh -p 2222 root@$VM2_IP "ip addr show | grep -q $VIP" &>/dev/null; then
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MASTER_VM=$VM2_IP
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MASTER_NAME="VM2"
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BACKUP_VM=$VM1_IP
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BACKUP_NAME="VM1"
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else
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echo -e "${RED}Errore: nessuna VM ha il VIP!${NC}"
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exit 1
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fi
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echo -e "${GREEN}$MASTER_NAME ($MASTER_VM) è attualmente MASTER${NC}"
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echo -e "${YELLOW}$BACKUP_NAME ($BACKUP_VM) è attualmente BACKUP${NC}"
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echo ""
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read -p "Vuoi simulare un failure del MASTER? (y/N) " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Test annullato"
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exit 0
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fi
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echo ""
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echo "1. Stato iniziale:"
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echo " VIP su: $MASTER_NAME"
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ping -c 1 -W 2 $VIP &>/dev/null && echo -e " ${GREEN}VIP risponde al ping${NC}" || echo -e " ${RED}VIP non risponde${NC}"
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echo ""
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echo "2. Simulo failure di $MASTER_NAME (stop keepalived)..."
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ssh -p 2222 root@$MASTER_VM "docker compose -f /opt/myapp/docker-compose.yml stop keepalived"
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echo ""
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echo "3. Attendo failover (15 secondi)..."
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sleep 15
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echo ""
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echo "4. Verifico nuovo MASTER:"
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if ssh -p 2222 root@$BACKUP_VM "ip addr show | grep -q $VIP" &>/dev/null; then
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echo -e " ${GREEN}✓ $BACKUP_NAME ha preso il VIP (FAILOVER RIUSCITO!)${NC}"
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else
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echo -e " ${RED}✗ $BACKUP_NAME non ha il VIP (FAILOVER FALLITO!)${NC}"
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fi
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echo ""
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echo "5. Test connettività VIP:"
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if ping -c 1 -W 2 $VIP &>/dev/null; then
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echo -e " ${GREEN}✓ VIP risponde al ping${NC}"
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else
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echo -e " ${RED}✗ VIP non risponde${NC}"
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fi
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echo ""
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echo "6. Test servizi FTP e SFTP:"
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# Test FTP (porta 21) - verifica solo che il server risponda
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if timeout 2 bash -c "echo -e 'QUIT\r' | nc -w 1 $VIP 21 2>/dev/null | grep -q '220'" 2>/dev/null; then
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echo -e " ${GREEN}✓ FTP risponde sulla porta 21${NC}"
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else
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echo -e " ${RED}✗ FTP non risponde${NC}"
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fi
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# Test SFTP (porta 22) - verifica che il server SSH/SFTP risponda
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if timeout 2 bash -c "echo '' | nc -w 1 $VIP 22 2>/dev/null | grep -q 'SSH'" 2>/dev/null; then
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echo -e " ${GREEN}✓ SFTP risponde sulla porta 22${NC}"
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else
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echo -e " ${RED}✗ SFTP non risponde${NC}"
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fi
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# Test MySQL (porta 3306) - verifica che il server risponda
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if timeout 2 bash -c "echo '' | nc -w 1 $VIP 3306 2>/dev/null" >/dev/null 2>&1; then
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echo -e " ${GREEN}✓ MySQL risponde sulla porta 3306${NC}"
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else
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echo -e " ${RED}✗ MySQL non risponde${NC}"
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fi
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echo ""
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read -p "Vuoi ripristinare il MASTER originale? (y/N) " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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echo ""
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echo "7. Ripristino $MASTER_NAME..."
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ssh -p 2222 root@$MASTER_VM "docker compose -f /opt/myapp/docker-compose.yml start keepalived"
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echo " Attendo 15 secondi..."
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sleep 15
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if ssh -p 2222 root@$MASTER_VM "ip addr show | grep -q $VIP" &>/dev/null; then
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echo -e " ${GREEN}✓ $MASTER_NAME ha ripreso il VIP${NC}"
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else
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echo -e " ${YELLOW}⚠ $BACKUP_NAME ha ancora il VIP (normale)${NC}"
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fi
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fi
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echo ""
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echo "=== Test completato ==="
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