Setup go-plugin compatible ruby server

bin/vagrant-server.rb

@@ -0,0 +1,59 @@
+require_relative '../proto/gen/plugin_pb'
+require_relative '../proto/gen/plugin_services_pb'
+
+require 'grpc'
+require 'grpc/health/checker'
+require 'grpc/health/v1/health_services_pb'
+require 'openssl'
+require 'optparse'
+
+class ProviderService < Hashicorp::Vagrant::Sdk::Provider::Service
+  def documentation(req, _unused_call)
+    
+  end
+
+  def configure(req, _unused_call)
+    
+  end
+
+  def config_struct(req, _unused_call)
+
+  end
+end
+
+def main
+  s = GRPC::RpcServer.new
+  # Listen on port 24000 on all interfaces. Update for production use.
+  s.add_http2_port('[::]:10001', :this_port_is_insecure)
+
+  s.handle(ProviderService.new)
+
+  health_checker = Grpc::Health::Checker.new
+  health_checker.add_status(
+    "Hashicorp::Vagrant::Sdk::Provider::ProviderService",
+    Grpc::Health::V1::HealthCheckResponse::ServingStatus::SERVING)
+  s.handle(health_checker)
+
+  t = Thread.new {
+    s.run_till_terminated_or_interrupted([1, 'int', 'SIGQUIT', 'SIGINT'])
+  }
+
+  threads = [
+    t,
+    Thread.new {
+      STDOUT.puts "1|1|tcp|127.0.0.1:10001|grpc"
+      STDOUT.flush
+    }
+  ]
+
+  threads.each { |tr| tr.join }
+
+  catch :ctrl_c do
+    t.exit
+    abort("goodbye")
+  end
+end
+
+trap("SIGINT") { throw :ctrl_c }
+
+main()