yuyr
1e5e91b193
Reviewed-on: #17 Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn> Reviewed-by: xuxt <xuxt@zgclab.edu.cn>
76 lines
1.8 KiB
Bash
Executable File
76 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# Test DNS resolution using dig
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# Usage: ./02_dig_test.sh
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set -e
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HOST_DNS_PORT="${HOST_DNS_PORT:-1053}"
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echo "Testing DNS resolution with dig..."
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echo "Using DNS server localhost:${HOST_DNS_PORT}"
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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 ""
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echo "Testing: $description"
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echo "Query: $hostname.argus.com"
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echo "Expected IP: $expected_ip"
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# Perform dig query
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result=$(dig @localhost -p "$HOST_DNS_PORT" "$hostname".argus.com A +short 2>/dev/null || echo "QUERY_FAILED")
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if [ "$result" = "QUERY_FAILED" ]; then
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echo "✗ DNS query failed"
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return 1
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elif [ "$result" = "$expected_ip" ]; then
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echo "✓ DNS query successful: $result"
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return 0
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else
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echo "✗ DNS query returned unexpected result: $result"
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return 1
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fi
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}
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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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# 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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echo "=== DNS Resolution Tests ==="
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# Test cases based on current configuration
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failed_tests=0
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# Test ns1.argus.com -> 127.0.0.1
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if ! test_dns_query "ns1" "127.0.0.1" "Name server resolution"; then
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((failed_tests++))
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fi
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# Test web.argus.com -> 12.4.5.6
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if ! test_dns_query "web" "12.4.5.6" "Web server resolution"; then
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((failed_tests++))
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fi
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echo ""
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echo "=== Test Summary ==="
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if [ $failed_tests -eq 0 ]; then
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echo "✓ All DNS tests passed!"
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exit 0
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else
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echo "✗ $failed_tests test(s) failed"
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exit 1
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fi
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