categorizeJWTError categorizes JWT validation errors into standard error codes

checkConsumerIsAlive make sure consumer is alive or would be removed from consumer list

checkEncoderConfig compares the old and new encoder configurations.

checkSampling compares the old and new sampling configurations.

computeApproximateRequestSize computes the approximate size of an HTTP request.

computeApproximateResponseSize computes the approximate size of an HTTP response.

configureKeepalive sets up keepalive parameters for the gRPC server

configureTLS sets up TLS credentials for the gRPC server if enabled

containsSubstring is a helper function for media type checking

convertToInputSchema converts tool parameters to MCP inputSchema format

createBrokenJSON creates intentionally broken JSON for testing error handling

createConnection creates a new gRPC connection with optimized settings

createTLSCredentials loads TLS certs for mTLS

Helper function to create a ClusterConfig with specific endpoints and weights for probabilistic testing

decompress reads all data from a reader and returns the decompressed byte slice.

determineStreamType determines the StreamType based on client and server streaming flags

equal checks if two string slices are equal.

evaluateEmbedded evaluates the policy using embedded OPA engine

evaluateServer evaluates the policy by calling OPA server REST API

extractAndSetMetadata extracts and sets gRPC metadata

extractBackendResponse extracts response data from the context

extractBearer pulls the token from Authorization header value

extractMethodName extracts the method name from the full gRPC method string. For example, from "/package.Service/Method", it returns "Method".

extractServiceName extract service name from context or method name

filterKeySetByAllowedAlgorithms filters a JWK set to only include keys

forwardClientToServer forwards messages from the incoming client stream to the backend server stream.

forwardHeaders specific what headers should be forwarded

forwardServerToClient forwards messages from the backend server stream to the incoming client stream.

getClusterResourceReference get resources of cluster

getMethods return the methods of a service