Kubectl MCP Tool

#!/bin/bash # Verification script for kubectl-mcp-server evals # Validates that expected resources exist and are in correct state set -e # Configuration NAMESPACE="${EVAL_NAMESPACE:-eval-test}" RESOURCE_NAME="${1:-web-server}" RESOURCE_TYPE="${2:-pod}" echo "=== Verifying eval results ===" echo "Namespace: $NAMESPACE" echo "Resource: $RESOURCE_TYPE/$RESOURCE_NAME" # Function to check resource exists check_resource() { local type=$1 local name=$2 local namespace=$3 if kubectl get "$type" "$name" -n "$namespace" &>/dev/null; then echo "PASS: $type/$name exists" return 0 else echo "FAIL: $type/$name not found" return 1 fi } # Function to check pod is running check_pod_running() { local name=$1 local namespace=$2 local phase phase=$(kubectl get pod "$name" -n "$namespace" -o jsonpath='{.status.phase}' 2>/dev/null) if [[ "$phase" == "Running" ]]; then echo "PASS: Pod $name is Running" return 0 elif [[ "$phase" == "Succeeded" ]]; then echo "PASS: Pod $name has Succeeded" return 0 else echo "FAIL: Pod $name is in phase: $phase (expected Running or Succeeded)" return 1 fi } # Function to check deployment is ready check_deployment_ready() { local name=$1 local namespace=$2 local ready ready=$(kubectl get deployment "$name" -n "$namespace" -o jsonpath='{.status.readyReplicas}' 2>/dev/null) local desired desired=$(kubectl get deployment "$name" -n "$namespace" -o jsonpath='{.spec.replicas}' 2>/dev/null) if [[ "$ready" == "$desired" ]] && [[ -n "$ready" ]]; then echo "PASS: Deployment $name has $ready/$desired replicas ready" return 0 else echo "FAIL: Deployment $name has ${ready:-0}/$desired replicas ready" return 1 fi } # Function to check service has endpoints check_service_endpoints() { local name=$1 local namespace=$2 local endpoints endpoints=$(kubectl get endpoints "$name" -n "$namespace" -o jsonpath='{.subsets[*].addresses[*].ip}' 2>/dev/null) if [[ -n "$endpoints" ]]; then echo "PASS: Service $name has endpoints: $endpoints" return 0 else echo "FAIL: Service $name has no endpoints" return 1 fi } # Function to check Helm release exists check_helm_release() { local name=$1 local namespace=$2 if helm status "$name" -n "$namespace" &>/dev/null; then local status status=$(helm status "$name" -n "$namespace" -o json | jq -r '.info.status') echo "PASS: Helm release $name exists with status: $status" return 0 else echo "FAIL: Helm release $name not found" return 1 fi } # Main verification logic FAILURES=0 case "$RESOURCE_TYPE" in pod) check_resource pod "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) check_pod_running "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) ;; deployment) check_resource deployment "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) check_deployment_ready "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) ;; service) check_resource service "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) check_service_endpoints "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) ;; helm) check_helm_release "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) ;; *) check_resource "$RESOURCE_TYPE" "$RESOURCE_NAME" "$NAMESPACE" || ((FAILURES++)) ;; esac echo "" echo "=== Verification complete ===" if [[ $FAILURES -eq 0 ]]; then echo "Result: PASSED" exit 0 else echo "Result: FAILED ($FAILURES checks failed)" exit 1 fi