Make the debug handler an actual thing that can be set by users

server/debug/proto/debug.pb.go

@@ -0,0 +1,57 @@
+// Code generated by protoc-gen-go.
+// source: go-micro/server/debug/proto/debug.proto
+// DO NOT EDIT!
+
+/*
+Package debug is a generated protocol buffer package.
+
+It is generated from these files:
+	go-micro/server/debug/proto/debug.proto
+
+It has these top-level messages:
+	HealthRequest
+	HealthResponse
+*/
+package debug
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type HealthRequest struct {
+}
+
+func (m *HealthRequest) Reset()                    { *m = HealthRequest{} }
+func (m *HealthRequest) String() string            { return proto.CompactTextString(m) }
+func (*HealthRequest) ProtoMessage()               {}
+func (*HealthRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+type HealthResponse struct {
+	Status string `protobuf:"bytes,1,opt,name=status" json:"status,omitempty"`
+}
+
+func (m *HealthResponse) Reset()                    { *m = HealthResponse{} }
+func (m *HealthResponse) String() string            { return proto.CompactTextString(m) }
+func (*HealthResponse) ProtoMessage()               {}
+func (*HealthResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func init() {
+	proto.RegisterType((*HealthRequest)(nil), "HealthRequest")
+	proto.RegisterType((*HealthResponse)(nil), "HealthResponse")
+}
+
+var fileDescriptor0 = []byte{
+	// 107 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x52, 0x4f, 0xcf, 0xd7, 0xcd,
+	0xcd, 0x4c, 0x2e, 0xca, 0xd7, 0x2f, 0x4e, 0x2d, 0x2a, 0x4b, 0x2d, 0xd2, 0x4f, 0x49, 0x4d, 0x2a,
+	0x4d, 0xd7, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x87, 0xb0, 0xf5, 0xc0, 0x6c, 0x25, 0x7e, 0x2e, 0x5e,
+	0x8f, 0xd4, 0xc4, 0x9c, 0x92, 0x8c, 0xa0, 0xd4, 0xc2, 0xd2, 0xd4, 0xe2, 0x12, 0x25, 0x05, 0x2e,
+	0x3e, 0x98, 0x40, 0x71, 0x41, 0x7e, 0x5e, 0x71, 0xaa, 0x10, 0x1f, 0x17, 0x5b, 0x71, 0x49, 0x62,
+	0x49, 0x69, 0xb1, 0x04, 0xa3, 0x02, 0xa3, 0x06, 0x67, 0x12, 0x1b, 0x58, 0xa7, 0x31, 0x20, 0x00,
+	0x00, 0xff, 0xff, 0x1c, 0xef, 0x98, 0xac, 0x64, 0x00, 0x00, 0x00,
+}

server/debug/proto/debug.proto

@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+// This is commented out due to import cycles.
+// But its what we expect the RPC service to 
+// return.
+//
+// service Debug {
+// 	rpc Health(HealthRequest) returns (HealthResponse) {}
+// }
+
+message HealthRequest {
+}
+
+message HealthResponse {
+	string status = 1;
+}