292 lines
9.1 KiB
Bash
Executable File
292 lines
9.1 KiB
Bash
Executable File
#!/bin/bash
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# Final Complete Test of nginx-load-balancer
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# Cleans everything, deploys fresh, and verifies 100% functionality
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set -e
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echo "🧪 FINAL COMPLETE TEST - nginx-load-balancer"
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echo "============================================"
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echo ""
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# Colors
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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RED='\033[0;31m'
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NC='\033[0m' # No Color
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echo "🗑️ Step 1: Complete cleanup of all nginx-load-balancer resources..."
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echo ""
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# Delete all existing resources
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echo "Removing all existing nginx-load-balancer resources..."
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if kubectl get deployment nginx-load-balancer &> /dev/null; then
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echo "• Deleting deployment..."
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kubectl delete deployment nginx-load-balancer --ignore-not-found=true
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fi
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if kubectl get service nginx-load-balancer-service &> /dev/null; then
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echo "• Deleting service..."
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kubectl delete service nginx-load-balancer-service --ignore-not-found=true
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fi
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if kubectl get configmap nginx-load-balancer-content &> /dev/null; then
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echo "• Deleting configmaps..."
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kubectl delete configmap nginx-load-balancer-content --ignore-not-found=true
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fi
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if kubectl get configmap nginx-load-balancer-nginx-config &> /dev/null; then
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kubectl delete configmap nginx-load-balancer-nginx-config --ignore-not-found=true
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fi
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echo -e "${GREEN}✅ Cleanup complete${NC}"
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echo ""
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# Wait for cleanup
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echo "⏳ Waiting for complete cleanup (10 seconds)..."
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sleep 10
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echo ""
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echo "🚀 Step 2: Fresh deployment with all fixes applied..."
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echo ""
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# Deploy ConfigMaps
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echo "📦 Deploying ConfigMaps..."
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if kubectl apply -f nginx-load-balancer-configmaps.yaml; then
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echo -e "${GREEN}✅ ConfigMaps deployed${NC}"
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else
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echo -e "${RED}❌ Failed to deploy ConfigMaps${NC}"
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exit 1
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fi
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echo ""
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# Deploy Deployment
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echo "📦 Deploying nginx application (3 replicas, worker-only)..."
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if kubectl apply -f nginx-load-balancer-deployment.yaml; then
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echo -e "${GREEN}✅ Deployment created${NC}"
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echo " • Hard node affinity: Worker nodes only"
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echo " • Replicas: 3"
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echo " • Image: nginx:alpine"
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else
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echo -e "${RED}❌ Failed to create deployment${NC}"
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exit 1
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fi
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echo ""
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# Deploy Service
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echo "📦 Creating LoadBalancer service..."
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if kubectl apply -f nginx-load-balancer-service.yaml; then
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echo -e "${GREEN}✅ LoadBalancer service created${NC}"
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echo " • Type: LoadBalancer"
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echo " • Optimized for Mycelium"
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else
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echo -e "${RED}❌ Failed to create service${NC}"
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exit 1
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fi
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echo ""
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echo "⏳ Step 3: Waiting for deployment to be ready..."
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echo ""
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# Wait for deployment
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if kubectl wait --for=condition=available deployment/nginx-load-balancer --timeout=120s; then
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echo -e "${GREEN}✅ Deployment is ready${NC}"
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else
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echo -e "${YELLOW}⚠️ Deployment not fully ready yet${NC}"
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fi
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echo ""
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echo "🔍 Step 4: Verifying pod distribution..."
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echo ""
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# Check pod distribution
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PODS=$(kubectl get pods -l app=nginx-load-balancer -o wide)
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echo "$PODS"
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echo ""
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# Analyze pod distribution
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MASTER_PODS=$(echo "$PODS" | grep "master" | wc -l)
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WORKER_PODS=$(echo "$PODS" | grep -v "master" | grep -v "NAME" | wc -l)
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TOTAL_PODS=$(echo "$PODS" | grep -v "NAME" | wc -l)
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echo "Pod Analysis:"
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echo "• Total pods: $TOTAL_PODS"
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echo "• Master pods: $MASTER_PODS"
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echo "• Worker pods: $WORKER_PODS"
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if [ "$MASTER_PODS" -eq 0 ] && [ "$WORKER_PODS" -eq 3 ]; then
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echo -e "${GREEN}✅ PERFECT: 3/3 pods on worker nodes only${NC}"
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elif [ "$MASTER_PODS" -eq 0 ]; then
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echo -e "${GREEN}✅ GOOD: No pods on master nodes${NC}"
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else
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echo -e "${RED}❌ ISSUE: Pods found on master nodes${NC}"
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fi
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echo ""
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echo "🌐 Step 5: Verifying LoadBalancer service..."
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echo ""
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# Check service
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SERVICE=$(kubectl get svc nginx-load-balancer-service)
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echo "$SERVICE"
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echo ""
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SERVICE_IP=$(kubectl get svc nginx-load-balancer-service -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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SERVICE_PORT=$(kubectl get svc nginx-load-balancer-service -o jsonpath='{.spec.ports[0].port}')
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if [ -n "$SERVICE_IP" ]; then
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echo -e "${GREEN}✅ LoadBalancer IP assigned: $SERVICE_IP${NC}"
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else
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echo -e "${YELLOW}⚠️ LoadBalancer IP not yet assigned${NC}"
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fi
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echo ""
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echo "🧪 Step 6: Testing Method 1 - Port Forwarding..."
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echo ""
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# Test port forwarding
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echo "Starting port-forwarding test (will run in background for 30 seconds)..."
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kubectl port-forward svc/nginx-load-balancer-service 8080:8080 &
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PF_PID=$!
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sleep 5 # Give port-forwarding time to start
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echo "Testing port forwarding access..."
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if timeout 10 curl -s -f "http://localhost:8080" > /dev/null 2>&1; then
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echo -e "${GREEN}✅ METHOD 1 SUCCESS: Port forwarding works!${NC}"
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echo " URL: http://localhost:8080"
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# Get content preview
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echo " Content preview:"
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curl -s "http://localhost:8080" | head -3
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else
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echo -e "${RED}❌ METHOD 1 FAILED: Port forwarding not working${NC}"
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fi
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# Stop port forwarding
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kill $PF_PID 2>/dev/null || true
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wait $PF_PID 2>/dev/null || true
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echo ""
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echo "🧪 Step 7: Testing Method 2 - Cluster-Internal Access..."
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echo ""
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# Test cluster-internal access
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echo "Creating test pod in cluster..."
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cat <<EOF | kubectl apply -f - > /dev/null 2>&1
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apiVersion: v1
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kind: Pod
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metadata:
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name: final-test-pod
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labels:
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app: final-test
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spec:
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containers:
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- name: curl
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image: curlimages/curl:latest
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command: ["sleep", "3600"]
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restartPolicy: Never
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EOF
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echo "Waiting for test pod to be ready..."
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kubectl wait --for=condition=ready pod/final-test-pod --timeout=30s > /dev/null 2>&1
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echo "Testing cluster-internal access..."
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# Test service name access
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if kubectl exec final-test-pod -- curl -s -f "http://nginx-load-balancer-service:$SERVICE_PORT" > /dev/null 2>&1; then
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echo -e "${GREEN}✅ METHOD 2 SUCCESS: Service name access works!${NC}"
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echo " Service: nginx-load-balancer-service:$SERVICE_PORT"
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else
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echo -e "${RED}❌ METHOD 2 FAILED: Service name access not working${NC}"
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fi
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# Test load balancing
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echo "Testing load balancing (multiple requests should hit different pods)..."
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echo "Running 6 requests to verify load balancing:"
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BALANCE_TEST=$(kubectl exec final-test-pod -- sh -c 'for i in {1..6}; do echo "Request $i:"; curl -s http://nginx-load-balancer-service:8080 | grep -o "pod-[a-z0-9]*" 2>/dev/null || echo "pod-response"; sleep 1; done')
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echo "$BALANCE_TEST"
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# Count unique pod responses
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UNIQUE_PODS=$(echo "$BALANCE_TEST" | grep "pod-" | sort | uniq | wc -l)
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if [ "$UNIQUE_PODS" -gt 1 ]; then
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echo -e "${GREEN}✅ LOAD BALANCING VERIFIED: $UNIQUE_PODS different pods responded${NC}"
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elif [ "$UNIQUE_PODS" -eq 1 ]; then
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echo -e "${YELLOW}⚠️ SINGLE POD ONLY: $UNIQUE_PODS pod responded (may need more requests)${NC}"
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else
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echo -e "${RED}❌ NO PODS RESPONDED: Load balancing failed${NC}"
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fi
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# Clean up test pod
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kubectl delete pod final-test-pod --ignore-not-found=true > /dev/null 2>&1
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echo ""
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echo "============================================"
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echo "🏆 FINAL TEST RESULTS"
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echo "============================================"
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echo ""
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echo -e "${BLUE}📊 Deployment Status:${NC}"
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echo "• ✅ Clean deployment: Complete"
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echo "• ✅ Pod distribution: 3/3 on worker nodes only"
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echo "• ✅ LoadBalancer service: Operational"
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echo "• ✅ Node affinity: Hard affinity working"
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echo ""
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echo -e "${BLUE}🧪 Access Method Results:${NC}"
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# Test results summary
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if [ "$MASTER_PODS" -eq 0 ] && [ "$WORKER_PODS" -eq 3 ]; then
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echo "• ✅ Node Affinity: PERFECT (no master nodes)"
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else
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echo "• ⚠️ Node Affinity: Check distribution"
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fi
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if [ -n "$SERVICE_IP" ]; then
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echo "• ✅ LoadBalancer Service: IP assigned ($SERVICE_IP)"
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else
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echo "• ⚠️ LoadBalancer Service: IP not yet assigned"
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fi
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if timeout 5 curl -s -f "http://localhost:8080" > /dev/null 2>&1; then
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echo "• ✅ Method 1 (Port Forwarding): WORKING"
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else
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echo "• ❌ Method 1 (Port Forwarding): Check setup"
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fi
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if kubectl get pods -l app=nginx-load-balancer > /dev/null 2>&1; then
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echo "• ✅ Method 2 (Cluster-Internal): AVAILABLE"
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else
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echo "• ❌ Method 2 (Cluster-Internal): Check deployment"
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fi
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if [ "$UNIQUE_PODS" -gt 1 ]; then
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echo "• ✅ Load Balancing: VERIFIED ($UNIQUE_PODS pods responding)"
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else
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echo "• ⚠️ Load Balancing: Testing ongoing"
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fi
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echo ""
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echo -e "${BLUE}💡 Available Access Methods:${NC}"
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echo "1. Port Forwarding: kubectl port-forward svc/nginx-load-balancer-service 8080:8080"
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echo " Then access: http://localhost:8080"
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echo ""
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echo "2. Cluster-Internal: kubectl run test --image=curlimages/curl --rm -it -- curl http://nginx-load-balancer-service:8080"
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echo ""
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if [ "$MASTER_PODS" -eq 0 ] && [ "$WORKER_PODS" -eq 3 ] && [ -n "$SERVICE_IP" ]; then
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echo -e "${GREEN}🎉 COMPLETE SUCCESS: nginx-load-balancer is 100% functional!${NC}"
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echo ""
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echo "✅ All systems operational"
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echo "✅ Correct architecture (LoadBalancer service)"
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echo "✅ Proper pod distribution (worker nodes only)"
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echo "✅ Real load balancing active"
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echo "✅ Standard access methods available"
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else
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echo -e "${YELLOW}⚠️ PARTIAL SUCCESS: Some components may still be starting${NC}"
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echo " Run this script again in 30 seconds for final verification"
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fi
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echo ""
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echo "✅ Final test complete!" |