kubernetes-mcp-server

#!/usr/bin/env bash # Verify the HPA spec matches the desired state HPA_NAME=$(kubectl get hpa -n hpa-test -o jsonpath='{.items[0].metadata.name}') if [ -z "$HPA_NAME" ]; then echo "Error: No HPA found in hpa-test namespace." exit 1 fi HPA_JSON=$(kubectl get hpa "$HPA_NAME" -n hpa-test -o json) SCALE_TARGET_REF_NAME=$(echo "$HPA_JSON" | jq -r '.spec.scaleTargetRef.name') MIN_REPLICAS=$(echo "$HPA_JSON" | jq -r '.spec.minReplicas') MAX_REPLICAS=$(echo "$HPA_JSON" | jq -r '.spec.maxReplicas') TARGET_CPU_UTILIZATION_API_V1=$(echo "$HPA_JSON" | jq -r '.spec.targetCPUUtilizationPercentage') TARGET_CPU_UTILIZATION_API_V2=$(echo "$HPA_JSON" | jq -r '.spec.metrics[0].resource.target.averageUtilization') if [ "$SCALE_TARGET_REF_NAME" != "web-app" ]; then echo "Verification failed: Expected HPA target to be 'web-app' deployment, got '$SCALE_TARGET_REF_NAME'." exit 1 fi if [ "$MIN_REPLICAS" != "1" ]; then echo "Verification failed: Expected HPA minReplicas to be set to 1, got '$MIN_REPLICAS'." exit 1 fi if [ "$MAX_REPLICAS" != "3" ]; then echo "Verification failed: Expected HPA maxReplicas to be set to 3, got '$MAX_REPLICAS'." exit 1 fi if [ "$TARGET_CPU_UTILIZATION_API_V1" != "50" ] && [ "$TARGET_CPU_UTILIZATION_API_V2" != "50" ]; then echo "Verification failed: Expected HPA target CPU utilization to be set to 50 for either v1 or v2 API, got v1: '$TARGET_CPU_UTILIZATION_API_V1', v2: '$TARGET_CPU_UTILIZATION_API_V2'." exit 1 fi echo "Waiting for HPA condition AbleToScale to be true..." if ! kubectl wait --for=condition=AbleToScale=true hpa/"$HPA_NAME" -n hpa-test --timeout=120s; then echo "Verification failed: HPA condition AbleToScale did not become true within 120 seconds." exit 1 fi echo "Successful verification: HPA spec is configured as expected." exit 0