#!/bin/bash # Dynamic Mycelium IPv6 Address Discovery Script for NodePort # This script fetches Mycelium IPv6 addresses from worker nodes and generates HTML content set -e echo "🔍 Discovering Mycelium IPv6 addresses from worker nodes..." # Fetch IPv6 addresses from cluster worker nodes IPV6_ADDRESSES=$(kubectl get nodes -l kubernetes.io/role!=master -o jsonpath='{range .items[*]}{range .status.addresses[?(@.type=="InternalIP")]}{.address}{"\n"}{end}{end}' | grep -E '^[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+$') if [ -z "$IPV6_ADDRESSES" ]; then echo "⚠️ No IPv6 addresses found from worker nodes!" echo "Trying all nodes..." IPV6_ADDRESSES=$(kubectl get nodes -o jsonpath='{range .items[*]}{range .status.addresses[?(@.type=="InternalIP")]}{.address}{"\n"}{end}{end}' | grep -E '^[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+$') fi if [ -z "$IPV6_ADDRESSES" ]; then echo "❌ No IPv6 addresses found!" exit 1 fi echo "✅ Found IPv6 addresses:" echo "$IPV6_ADDRESSES" # Generate HTML content with dynamic addresses cat > /tmp/index.html << 'HTML_EOF' Mycelium Cloud - Nginx NodePort Website

🌐 Mycelium Cloud

Secure NodePort Website Hosting with IPv6!

✅ NODEPORT SECURE

🔒 ENHANCED SECURITY

Connected via IPv6:
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🌐 Global Access URLs (NodePort: 30091)

Your website is accessible via these Mycelium worker node IPv6 addresses:

http://[$ipv6]:30091 ✅

Anyone with Mycelium installed can access your website from anywhere!

🚀 Key Features:

🛡️ Enhanced security with network isolation

🌍 Peer-to-peer global access via NodePort

🔒 Standard Kubernetes service patterns

⚡ Clean pod networking without hostNetwork

🖥️ Multi-node Kubernetes cluster

🔄 Dynamic IPv6 discovery and routing

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Mycelium Cloud NodePort Demo
Security-First IPv6 Website Hosting
Auto-updated every 30 seconds

HTML_EOF echo "📝 Generated HTML content with $(echo "$IPV6_ADDRESSES" | wc -l) IPv6 addresses" # Update the ConfigMap echo "🔄 Updating ConfigMap..." kubectl create configmap nginx-nodeport-content --from-file=index.html=/tmp/index.html --dry-run=client -o yaml | kubectl apply -f - echo "✅ Successfully updated nginx-nodeport-content ConfigMap" echo "" echo "🔄 To apply changes to running pods, restart the deployment:" echo " kubectl rollout restart deployment/nginx-nodeport" echo "" echo "🌐 Website will be accessible at: http://[worker-node-ipv6]:30091" echo "" echo "📊 Discovered IPv6 addresses:" echo "$IPV6_ADDRESSES" | nl # Cleanup rm -f /tmp/index.html echo "" echo "✅ Update complete!"