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ansible/scripts/setup-cluster-network.sh

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+#!/bin/bash
+
+# FastPass Homelab - Cluster Network Setup Script
+# This script sets up DNS (via Technitium) and load balancer configuration for any Kubernetes cluster
+
+set -e
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+    local status=$1
+    local message=$2
+    case $status in
+        "INFO")
+            echo -e "${BLUE}ℹ️  INFO${NC}: $message"
+            ;;
+        "SUCCESS")
+            echo -e "${GREEN}✅ SUCCESS${NC}: $message"
+            ;;
+        "ERROR")
+            echo -e "${RED}❌ ERROR${NC}: $message"
+            ;;
+        "WARN")
+            echo -e "${YELLOW}⚠️  WARN${NC}: $message"
+            ;;
+    esac
+}
+
+# Usage function
+usage() {
+    echo "Usage: $0 <cluster_name> <cluster_endpoint> <control_plane_group>"
+    echo ""
+    echo "Examples:"
+    echo "  $0 fastpass fastpass.local.mk-labs.cloud fastpass_control_plane"
+    echo "  $0 hub hub.local.mk-labs.cloud hub_cluster"
+    echo "  $0 internal internal.local.mk-labs.cloud internal_cluster"
+    echo ""
+    echo "This script will:"
+    echo "  1. Create DNS entry for the cluster endpoint"
+    echo "  2. Configure Traefik load balancer"
+    echo "  3. Test connectivity"
+    echo ""
+    exit 1
+}
+
+# Check arguments
+if [ $# -ne 3 ]; then
+    print_status "ERROR" "Invalid number of arguments"
+    usage
+fi
+
+CLUSTER_NAME=$1
+CLUSTER_ENDPOINT=$2
+CONTROL_PLANE_GROUP=$3
+
+print_status "INFO" "Setting up network for cluster: $CLUSTER_NAME"
+print_status "INFO" "Endpoint: $CLUSTER_ENDPOINT"
+print_status "INFO" "Control plane group: $CONTROL_PLANE_GROUP"
+
+# Check if inventory file exists
+if [ ! -f "inventory.yml" ]; then
+    print_status "ERROR" "inventory.yml not found. Please run from ansible directory."
+    exit 1
+fi
+
+# Create temporary playbook
+TEMP_PLAYBOOK=$(mktemp /tmp/cluster-network-setup-XXXXXX.yml)
+cat > "$TEMP_PLAYBOOK" << EOF
+---
+- name: Setup network infrastructure for $CLUSTER_NAME
+  hosts: ${CONTROL_PLANE_GROUP}[0]
+  gather_facts: true
+  tasks:
+    - name: Setup cluster network infrastructure
+      ansible.builtin.include_role:
+        name: cluster-network-setup
+      vars:
+        cluster_name: "$CLUSTER_NAME"
+        cluster_endpoint: "$CLUSTER_ENDPOINT"
+        cluster_vip: "{{ ansible_default_ipv4.address }}"
+        control_plane_nodes: "{{ groups['$CONTROL_PLANE_GROUP'] }}"
+EOF
+
+print_status "INFO" "Running network setup playbook..."
+
+# Run the network setup
+if ansible-playbook -i inventory.yml "$TEMP_PLAYBOOK"; then
+    print_status "SUCCESS" "Network setup completed for $CLUSTER_NAME"
+    
+    # Test connectivity
+    print_status "INFO" "Testing connectivity to $CLUSTER_ENDPOINT:6443..."
+    if timeout 10 bash -c "</dev/tcp/$CLUSTER_ENDPOINT/6443"; then
+        print_status "SUCCESS" "Connectivity test passed"
+    else
+        print_status "WARN" "Connectivity test failed - may need time to propagate"
+    fi
+    
+    print_status "INFO" "Network setup complete. You can now:"
+    echo "  1. Deploy your cluster"
+    echo "  2. Test with: kubectl --server=https://$CLUSTER_ENDPOINT:6443 cluster-info"
+    
+else
+    print_status "ERROR" "Network setup failed"
+    exit 1
+fi
+
+# Cleanup
+rm -f "$TEMP_PLAYBOOK"