a7fd5f806b
- Add lib/detection.sh with advanced distribution and container detection - Implement 5-method fallback detection (/etc/os-release, redhat-release, debian_version, lsb_release, manual) - Add container environment detection (Docker, Podman, LXC, WSL) with user warnings - Enhance version normalization with regex parsing and bc calculator - Add comprehensive unit tests (66 test cases, 98.5% success rate) - Update documentation (README, CHANGELOG, SECURITY, CONTRIBUTING) - Improve enterprise-grade error handling and logging - Add IPv6 and security considerations for 2025 compatibility
37 lines
1.1 KiB
Bash
37 lines
1.1 KiB
Bash
#!/bin/bash
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check_internet_connection() {
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log_info "Checking internet connection (IPv4 and IPv6)..."
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local ipv4_hosts=("8.8.8.8" "1.1.1.1" "google.com")
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local ipv6_hosts=("2001:4860:4860::8888" "2606:4700:4700::1111" "google.com")
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local success=false
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# Test IPv4
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for host in "${ipv4_hosts[@]}"; do
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if ping -c 1 -W 5 "$host" &>/dev/null; then
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log_success "IPv4 internet connectivity confirmed (via $host)"
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success=true
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break
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fi
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done
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# Test IPv6 if IPv4 failed or to confirm dual-stack
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if [[ "$success" == false ]] || true; then # Always test IPv6 for completeness
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for host in "${ipv6_hosts[@]}"; do
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if ping6 -c 1 -W 5 "$host" &>/dev/null; then
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log_success "IPv6 internet connectivity confirmed (via $host)"
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success=true
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break
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fi
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done
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fi
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if [[ "$success" == false ]]; then
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log_error "No internet connection detected (IPv4 or IPv6). Please check your network settings."
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exit 1
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fi
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log_info "Internet connection check completed."
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}
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