Svc metadata (#972)

* Added service metadata

* Added metadata to runtime service

* Add Annotations metadata to service metadata

* Add micro/micro as default service owners

* Update runtime/kubernetes/client/kubernetes.go

Change comment

Co-Authored-By: Jake Sanders <i@am.so-aweso.me>

runtime/service/proto/runtime.pb.go

@@ -30,10 +30,12 @@ type Service struct {
 	// local path of the source
 	Path string `protobuf:"bytes,4,opt,name=path,proto3" json:"path,omitempty"`
 	// command to execute
-	Exec                 []string `protobuf:"bytes,5,rep,name=exec,proto3" json:"exec,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Exec []string `protobuf:"bytes,5,rep,name=exec,proto3" json:"exec,omitempty"`
+	// service metadata
+	Metadata             map[string]string `protobuf:"bytes,6,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
 }
 
 func (m *Service) Reset()         { *m = Service{} }
@@ -96,6 +98,13 @@ func (m *Service) GetExec() []string {
 	return nil
 }
 
+func (m *Service) GetMetadata() map[string]string {
+	if m != nil {
+		return m.Metadata
+	}
+	return nil
+}
+
 type CreateOptions struct {
 	// command to pass in
 	Command []string `protobuf:"bytes,1,rep,name=command,proto3" json:"command,omitempty"`
@@ -570,6 +579,7 @@ func (m *ListResponse) GetServices() []*Service {
 
 func init() {
 	proto.RegisterType((*Service)(nil), "go.micro.runtime.Service")
+	proto.RegisterMapType((map[string]string)(nil), "go.micro.runtime.Service.MetadataEntry")
 	proto.RegisterType((*CreateOptions)(nil), "go.micro.runtime.CreateOptions")
 	proto.RegisterType((*CreateRequest)(nil), "go.micro.runtime.CreateRequest")
 	proto.RegisterType((*CreateResponse)(nil), "go.micro.runtime.CreateResponse")
@@ -587,32 +597,36 @@ func init() {
 func init() { proto.RegisterFile("runtime.proto", fileDescriptor_86e2dd377c869464) }
 
 var fileDescriptor_86e2dd377c869464 = []byte{
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 }

runtime/service/proto/runtime.proto

@@ -21,6 +21,8 @@ message Service {
 	string path = 4;
 	// command to execute
 	repeated string exec = 5;
+        // service metadata
+        map<string,string> metadata = 6;
 }
 
 message CreateOptions {