CLI tool to health check GRPC services. The service is expected to implement the Health method as follows:
import "google/protobuf/empty.proto";
package com.example;
service SomeService {
rpc Health (google.protobuf.Empty) returns (google.protobuf.Empty) {}
// Remaining methods
}
// Remaining stuff$ make
$ grpc-health [OPTIONAL FLAGS] --serverUrl=<server_url> --serviceName=<fully_qualified_service_name>
For a more detailed usage, see
$ grpc-health --help
$ grpc-health --verbose --timeout=2 --serverUrl=localhost:8081 --serviceName=com.example.SomeService
2017/08/24 20:09:06.024428 Starting health check for com.example.SomeService running at localhost:8081 (timeout=2s)
2017/08/24 20:09:06.024522 Attempting connection...
2017/08/24 20:09:06.027936 Connection successful
2017/08/24 20:09:06.027952 Invoking /com.example.SomeService/Health
2017/08/24 20:09:06.028788 Invoke successful
2017/08/24 20:09:06.028803 Healthy