yuyr
1e5e91b193
Reviewed-on: #17 Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn> Reviewed-by: xuxt <xuxt@zgclab.edu.cn>
116 lines
3.3 KiB
Bash
Executable File
116 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# Test DNS configuration reload with IP modification
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# Usage: ./03_reload_test.sh
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set -e
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HOST_DNS_PORT="${HOST_DNS_PORT:-1053}"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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TEST_DIR="$(dirname "$SCRIPT_DIR")"
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echo "=== DNS Configuration Reload Test ==="
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echo "Using DNS server localhost:${HOST_DNS_PORT}"
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# Check if container is running
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if ! docker compose ps | grep -q "Up"; then
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echo "Error: BIND9 container is not running"
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echo "Please start the container first with: ./01_start_container.sh"
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exit 1
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fi
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# Check if dig is available
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if ! command -v dig &> /dev/null; then
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echo "Installing dig (dnsutils)..."
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apt-get update && apt-get install -y dnsutils
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fi
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# Function to test DNS query
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test_dns_query() {
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local hostname="$1"
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local expected_ip="$2"
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local description="$3"
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echo "Testing: $description"
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echo "Query: $hostname.argus.com -> Expected: $expected_ip"
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result=$(dig @localhost -p "$HOST_DNS_PORT" "$hostname".argus.com A +short 2>/dev/null || echo "QUERY_FAILED")
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if [ "$result" = "$expected_ip" ]; then
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echo "✓ $result"
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return 0
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else
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echo "✗ Got: $result, Expected: $expected_ip"
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return 1
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fi
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}
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echo ""
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echo "Step 1: Testing initial DNS configuration..."
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# Test initial configuration
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if ! test_dns_query "web" "12.4.5.6" "Initial web.argus.com resolution"; then
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echo "Initial DNS test failed"
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exit 1
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fi
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echo ""
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echo "Step 2: Modifying DNS configuration..."
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# Backup original configuration
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cp "$TEST_DIR/private/argus/bind/db.argus.com" "$TEST_DIR/private/argus/bind/db.argus.com.backup" 2>/dev/null || true
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# Create new configuration with modified IP
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DB_FILE="$TEST_DIR/private/argus/bind/db.argus.com"
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# Check if persistent config exists, if not use from container
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if [ ! -f "$DB_FILE" ]; then
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echo "Persistent config not found, copying from container..."
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docker compose exec bind9 cp /etc/bind/db.argus.com /private/argus/bind/db.argus.com
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docker compose exec bind9 chown bind:bind /private/argus/bind/db.argus.com
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fi
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# Modify the IP address (12.4.5.6 -> 192.168.1.100)
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sed -i 's/12\.4\.5\.6/192.168.1.100/g' "$DB_FILE"
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# Increment serial number for DNS cache invalidation
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current_serial=$(grep -o "2[[:space:]]*;" "$DB_FILE" | grep -o "2")
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new_serial=$((current_serial + 1))
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sed -i "s/2[[:space:]]*;/${new_serial} ;/" "$DB_FILE"
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echo "Modified configuration:"
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echo "- Changed web.argus.com IP: 12.4.5.6 -> 192.168.1.100"
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echo "- Updated serial number: $current_serial -> $new_serial"
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echo ""
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echo "Step 3: Reloading BIND9 configuration..."
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# Reload BIND9 configuration
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docker compose exec bind9 /usr/local/bin/reload-bind9.sh
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echo "Configuration reloaded"
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# Wait a moment for changes to take effect
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sleep 3
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echo ""
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echo "Step 4: Testing modified DNS configuration..."
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# Test modified configuration
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if ! test_dns_query "web" "192.168.1.100" "Modified web.argus.com resolution"; then
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echo "Modified DNS test failed"
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exit 1
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fi
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# Also verify ns1 still works
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if ! test_dns_query "ns1" "127.0.0.1" "ns1.argus.com still working"; then
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echo "ns1 DNS test failed after reload"
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exit 1
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fi
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echo ""
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echo "✓ DNS configuration reload test completed successfully!"
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echo "✓ IP address changed from 12.4.5.6 to 192.168.1.100"
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echo "✓ Configuration persisted and reloaded correctly"
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