Merge pull request #31 from spotify/storing-entitities

feat: create and get entity

backend/inventory/app/server.go

@@ -0,0 +1,33 @@
+package app
+
+import (
+	"context"
+	"fmt"
+	"github.com/spotify/backstage/inventory/storage"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	pb "github.com/spotify/backstage/proto/inventory/v1"
+)
+
+// Server is the inventory Grpc server
+type Server struct {
+	Storage *storage.Storage
+}
+
+func (s *Server) CreateEntity(ctx context.Context, req *pb.CreateEntityRequest) (*pb.CreateEntityReply, error) {
+	err := s.Storage.CreateEntity(req.GetEntity().GetUri())
+	if err != nil {
+	  return nil, status.Error(codes.Internal, "could not create entity")
+	}
+	return &pb.CreateEntityReply{Entity: req.GetEntity()} , nil
+}
+
+// GetEntity returns an inventory Entity with the selected facts
+func (s *Server) GetEntity(ctx context.Context, req *pb.GetEntityRequest) (*pb.GetEntityReply, error) {
+	entityUri, err := s.Storage.GetEntity(req.GetEntity().GetUri())
+	if err != nil {
+		return nil, status.Error(codes.Internal, fmt.Sprintf("could not get entity %v", err))
+	}
+	return &pb.GetEntityReply{Entity: &pb.Entity{Uri: entityUri}}, nil
+}

backend/inventory/app/server_test.go

@@ -0,0 +1,78 @@
+package app
+
+import (
+	"context"
+	"fmt"
+	"github.com/spotify/backstage/inventory/storage"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	pb "github.com/spotify/backstage/proto/inventory/v1"
+)
+
+type TestStorage struct {
+	Storage *storage.Storage
+	Path string
+}
+
+// NewTestStorage returns a TestStorage using a temporary path.
+func NewTestStorage() *TestStorage {
+	f, err := ioutil.TempFile("", "")
+	if err != nil {
+		panic(fmt.Sprintf("temp file: %s", err))
+	}
+	path := f.Name()
+	f.Close()
+	os.Remove(path)
+	// Open the database.
+
+	config := storage.Config{Path: path}
+	storage, _ := storage.OpenStorage(config)
+	// Return wrapped type.
+	return &TestStorage{Storage: storage, Path: path}
+}
+
+// Close and delete Bolt database.
+func (db *TestStorage) Close() {
+	defer os.Remove(db.Path)
+	db.Storage.Close()
+}
+
+func TestServerCreateEntity(t *testing.T) {
+	testStorage := NewTestStorage()
+	defer testStorage.Close()
+	s := Server{Storage: testStorage.Storage}
+
+	entity := &pb.Entity{Uri: "boss://test/test"}
+	createReq := &pb.CreateEntityRequest{Entity: entity}
+	resp, err := s.CreateEntity(context.Background(), createReq)
+	if err != nil {
+		t.Errorf("ServerTest(CreateEntity) got unexpected error %v", err)
+	}
+	if resp.GetEntity().GetUri() !=  entity.GetUri() {
+		t.Errorf("ServerTest(CreateEntity) expected %v, but got %v", entity.GetUri(), resp.GetEntity().GetUri())
+	}
+}
+
+func TestServerGetEntity(t *testing.T) {
+	testStorage := NewTestStorage()
+	defer testStorage.Close()
+	s := Server{Storage: testStorage.Storage}
+
+	entity := &pb.Entity{Uri: "boss://test/test"}
+	createReq := &pb.CreateEntityRequest{Entity: entity}
+	s.CreateEntity(context.Background(), createReq)
+
+	req := &pb.GetEntityRequest{Entity: entity}
+	resp, err := s.GetEntity(context.Background(), req)
+	if err != nil {
+		t.Errorf("ServerTest(GetEntity) got unexpected error %v", err)
+	}
+	if resp == nil {
+		t.Errorf("ServerTest(GetEntity) returned nil")
+	}
+	if resp.GetEntity().GetUri() != entity.GetUri() {
+		t.Errorf("ServerTest(GetEntity) got %v, wanted %v", resp.GetEntity().GetUri(), entity.GetUri())
+	}
+}

backend/inventory/go.mod

@@ -2,8 +2,14 @@ module github.com/spotify/backstage/inventory
 
 go 1.12
 
+replace github.com/spotify/backstage/proto => ../proto
+
 require (
-	github.com/golang/protobuf v1.3.2
+	github.com/golang/protobuf v1.3.3
+	github.com/spotify/backstage/proto v0.0.0-00010101000000-000000000000
 	go.etcd.io/bbolt v1.3.3
+	golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3 // indirect
+	golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135 // indirect
 	google.golang.org/grpc v1.27.0
+	honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc // indirect
 )

backend/inventory/go.sum

@@ -9,6 +9,8 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=

backend/inventory/main.go

@@ -1,11 +1,12 @@
 package main
 
 import (
-	"context"
 	"log"
 	"net"
 
-	pb "github.com/spotify/backstage/inventory/protos"
+	"github.com/spotify/backstage/inventory/app"
+	pb "github.com/spotify/backstage/proto/inventory/v1"
+
 	"google.golang.org/grpc"
 )
 
@@ -13,19 +14,12 @@ const (
 	port = ":50051"
 )
 
-type inventoryServer struct {
-}
-
-func (s *inventoryServer) GetEntity(ctx context.Context, req *pb.GetEntityRequest) (*pb.GetEntityReply, error) {
-	return &pb.GetEntityReply{}, nil
-}
-
 func main() {
 	lis, err := net.Listen("tcp", port)
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
 	grpcServer := grpc.NewServer()
-	pb.RegisterInventoryServer(grpcServer, &inventoryServer{})
+	pb.RegisterInventoryServer(grpcServer, &app.Server{})
 	grpcServer.Serve(lis)
 }

backend/inventory/storage/storage.go

@@ -64,3 +64,29 @@ func (s *Storage) GetFact(entityUri, name string) (string, error) {
 
 	return value, nil
 }
+
+func (s *Storage) CreateEntity(entityUri string) error {
+	return s.db.Update(func(tx *bbolt.Tx) error {
+		_, err := tx.CreateBucketIfNotExists([]byte(entityUri))
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+func (s *Storage) GetEntity(entityUri string) (string, error) {
+	err := s.db.View(func(tx *bbolt.Tx) error {
+		b := tx.Bucket([]byte(entityUri))
+		if b == nil {
+			return fmt.Errorf("bucket '%s' does not exist", entityUri)
+		}
+		return nil
+	})
+
+	if err != nil {
+		return "", err
+	}
+
+	return entityUri, nil
+}

backend/proto/inventory/v1/inventory.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: protos/inventory.proto
+// source: inventory/v1/inventory.proto
 
-package spotify_backstage_inventory_v1alpha1
+package inventoryv1
 
 import (
 	context "context"
@@ -36,7 +36,7 @@ func (m *GetEntityRequest) Reset()         { *m = GetEntityRequest{} }
 func (m *GetEntityRequest) String() string { return proto.CompactTextString(m) }
 func (*GetEntityRequest) ProtoMessage()    {}
 func (*GetEntityRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_1a8706afd37ce83a, []int{0}
+	return fileDescriptor_70be9028e322f9d8, []int{0}
 }
 
 func (m *GetEntityRequest) XXX_Unmarshal(b []byte) error {
@@ -83,7 +83,7 @@ func (m *GetEntityReply) Reset()         { *m = GetEntityReply{} }
 func (m *GetEntityReply) String() string { return proto.CompactTextString(m) }
 func (*GetEntityReply) ProtoMessage()    {}
 func (*GetEntityReply) Descriptor() ([]byte, []int) {
-	return fileDescriptor_1a8706afd37ce83a, []int{1}
+	return fileDescriptor_70be9028e322f9d8, []int{1}
 }
 
 func (m *GetEntityReply) XXX_Unmarshal(b []byte) error {
@@ -118,9 +118,86 @@ func (m *GetEntityReply) GetFacts() []*Fact {
 	return nil
 }
 
+type CreateEntityRequest struct {
+	Entity               *Entity  `protobuf:"bytes,1,opt,name=entity,proto3" json:"entity,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CreateEntityRequest) Reset()         { *m = CreateEntityRequest{} }
+func (m *CreateEntityRequest) String() string { return proto.CompactTextString(m) }
+func (*CreateEntityRequest) ProtoMessage()    {}
+func (*CreateEntityRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_70be9028e322f9d8, []int{2}
+}
+
+func (m *CreateEntityRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CreateEntityRequest.Unmarshal(m, b)
+}
+func (m *CreateEntityRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CreateEntityRequest.Marshal(b, m, deterministic)
+}
+func (m *CreateEntityRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CreateEntityRequest.Merge(m, src)
+}
+func (m *CreateEntityRequest) XXX_Size() int {
+	return xxx_messageInfo_CreateEntityRequest.Size(m)
+}
+func (m *CreateEntityRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_CreateEntityRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CreateEntityRequest proto.InternalMessageInfo
+
+func (m *CreateEntityRequest) GetEntity() *Entity {
+	if m != nil {
+		return m.Entity
+	}
+	return nil
+}
+
+type CreateEntityReply struct {
+	Entity               *Entity  `protobuf:"bytes,1,opt,name=entity,proto3" json:"entity,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CreateEntityReply) Reset()         { *m = CreateEntityReply{} }
+func (m *CreateEntityReply) String() string { return proto.CompactTextString(m) }
+func (*CreateEntityReply) ProtoMessage()    {}
+func (*CreateEntityReply) Descriptor() ([]byte, []int) {
+	return fileDescriptor_70be9028e322f9d8, []int{3}
+}
+
+func (m *CreateEntityReply) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CreateEntityReply.Unmarshal(m, b)
+}
+func (m *CreateEntityReply) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CreateEntityReply.Marshal(b, m, deterministic)
+}
+func (m *CreateEntityReply) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CreateEntityReply.Merge(m, src)
+}
+func (m *CreateEntityReply) XXX_Size() int {
+	return xxx_messageInfo_CreateEntityReply.Size(m)
+}
+func (m *CreateEntityReply) XXX_DiscardUnknown() {
+	xxx_messageInfo_CreateEntityReply.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CreateEntityReply proto.InternalMessageInfo
+
+func (m *CreateEntityReply) GetEntity() *Entity {
+	if m != nil {
+		return m.Entity
+	}
+	return nil
+}
+
 type Entity struct {
-	Kind                 string   `protobuf:"bytes,1,opt,name=kind,proto3" json:"kind,omitempty"`
-	Id                   string   `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	Uri                  string   `protobuf:"bytes,1,opt,name=uri,proto3" json:"uri,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -130,7 +207,7 @@ func (m *Entity) Reset()         { *m = Entity{} }
 func (m *Entity) String() string { return proto.CompactTextString(m) }
 func (*Entity) ProtoMessage()    {}
 func (*Entity) Descriptor() ([]byte, []int) {
-	return fileDescriptor_1a8706afd37ce83a, []int{2}
+	return fileDescriptor_70be9028e322f9d8, []int{4}
 }
 
 func (m *Entity) XXX_Unmarshal(b []byte) error {
@@ -151,16 +228,9 @@ func (m *Entity) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_Entity proto.InternalMessageInfo
 
-func (m *Entity) GetKind() string {
+func (m *Entity) GetUri() string {
 	if m != nil {
-		return m.Kind
-	}
-	return ""
-}
-
-func (m *Entity) GetId() string {
-	if m != nil {
-		return m.Id
+		return m.Uri
 	}
 	return ""
 }
@@ -177,7 +247,7 @@ func (m *Fact) Reset()         { *m = Fact{} }
 func (m *Fact) String() string { return proto.CompactTextString(m) }
 func (*Fact) ProtoMessage()    {}
 func (*Fact) Descriptor() ([]byte, []int) {
-	return fileDescriptor_1a8706afd37ce83a, []int{3}
+	return fileDescriptor_70be9028e322f9d8, []int{5}
 }
 
 func (m *Fact) XXX_Unmarshal(b []byte) error {
@@ -213,34 +283,38 @@ func (m *Fact) GetValue() string {
 }
 
 func init() {
-	proto.RegisterType((*GetEntityRequest)(nil), "spotify.backstage.inventory.v1alpha1.GetEntityRequest")
-	proto.RegisterType((*GetEntityReply)(nil), "spotify.backstage.inventory.v1alpha1.GetEntityReply")
-	proto.RegisterType((*Entity)(nil), "spotify.backstage.inventory.v1alpha1.Entity")
-	proto.RegisterType((*Fact)(nil), "spotify.backstage.inventory.v1alpha1.Fact")
+	proto.RegisterType((*GetEntityRequest)(nil), "spotify.backstage.inventory.v1.GetEntityRequest")
+	proto.RegisterType((*GetEntityReply)(nil), "spotify.backstage.inventory.v1.GetEntityReply")
+	proto.RegisterType((*CreateEntityRequest)(nil), "spotify.backstage.inventory.v1.CreateEntityRequest")
+	proto.RegisterType((*CreateEntityReply)(nil), "spotify.backstage.inventory.v1.CreateEntityReply")
+	proto.RegisterType((*Entity)(nil), "spotify.backstage.inventory.v1.Entity")
+	proto.RegisterType((*Fact)(nil), "spotify.backstage.inventory.v1.Fact")
 }
 
-func init() { proto.RegisterFile("protos/inventory.proto", fileDescriptor_1a8706afd37ce83a) }
+func init() { proto.RegisterFile("inventory/v1/inventory.proto", fileDescriptor_70be9028e322f9d8) }
 
-var fileDescriptor_1a8706afd37ce83a = []byte{
-	// 273 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x2b, 0x28, 0xca, 0x2f,
-	0xc9, 0x2f, 0xd6, 0xcf, 0xcc, 0x2b, 0x4b, 0xcd, 0x2b, 0xc9, 0x2f, 0xaa, 0xd4, 0x03, 0x0b, 0x08,
-	0xa9, 0x14, 0x17, 0xe4, 0x97, 0x64, 0xa6, 0x55, 0xea, 0x25, 0x25, 0x26, 0x67, 0x17, 0x97, 0x24,
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-	0x10, 0x0f, 0x54, 0xd0, 0x0d, 0x24, 0xa6, 0x34, 0x83, 0x91, 0x8b, 0x0f, 0xc9, 0xfe, 0x82, 0x9c,
-	0x4a, 0x2a, 0xd9, 0xee, 0xc0, 0xc5, 0x8a, 0xb0, 0x95, 0xdb, 0x48, 0x8b, 0x38, 0x43, 0x40, 0x8e,
-	0x0a, 0x82, 0x68, 0x54, 0xd2, 0xe1, 0x62, 0x83, 0x98, 0x29, 0x24, 0xc4, 0xc5, 0x92, 0x9d, 0x99,
-	0x97, 0x02, 0x76, 0x0f, 0x67, 0x10, 0x98, 0x2d, 0xc4, 0xc7, 0xc5, 0x94, 0x99, 0x22, 0xc1, 0x04,
-	0x16, 0x61, 0xca, 0x4c, 0x51, 0x32, 0xe0, 0x62, 0x01, 0x69, 0x06, 0xa9, 0xcd, 0x4b, 0xcc, 0x4d,
-	0x85, 0xa9, 0x05, 0xb1, 0x85, 0x44, 0xb8, 0x58, 0xcb, 0x12, 0x73, 0x4a, 0x53, 0xa1, 0xca, 0x21,
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-	0xe0, 0xf4, 0x62, 0x0c, 0x08, 0x00, 0x00, 0xff, 0xff, 0xd1, 0x66, 0x0d, 0x53, 0x49, 0x02, 0x00,
-	0x00,
+var fileDescriptor_70be9028e322f9d8 = []byte{
+	// 307 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0xc9, 0xcc, 0x2b, 0x4b,
+	0xcd, 0x2b, 0xc9, 0x2f, 0xaa, 0xd4, 0x2f, 0x33, 0xd4, 0x87, 0x73, 0xf4, 0x0a, 0x8a, 0xf2, 0x4b,
+	0xf2, 0x85, 0xe4, 0x8a, 0x0b, 0xf2, 0x4b, 0x32, 0xd3, 0x2a, 0xf5, 0x92, 0x12, 0x93, 0xb3, 0x8b,
+	0x4b, 0x12, 0xd3, 0x53, 0xf5, 0x10, 0x4a, 0xca, 0x0c, 0x95, 0xca, 0xb9, 0x04, 0xdc, 0x53, 0x4b,
+	0x5c, 0xf3, 0x4a, 0x32, 0x4b, 0x2a, 0x83, 0x52, 0x0b, 0x4b, 0x53, 0x8b, 0x4b, 0x84, 0xec, 0xb8,
+	0xd8, 0x52, 0xc1, 0x02, 0x12, 0x8c, 0x0a, 0x8c, 0x1a, 0xdc, 0x46, 0x6a, 0x7a, 0xf8, 0x0d, 0xd1,
+	0x83, 0x6a, 0x87, 0xea, 0x12, 0x52, 0xe6, 0xe2, 0xcd, 0xcc, 0x4b, 0xce, 0x29, 0x4d, 0x49, 0x8d,
+	0x4f, 0x4b, 0x4c, 0x2e, 0x29, 0x96, 0x60, 0x52, 0x60, 0xd6, 0xe0, 0x0c, 0xe2, 0x81, 0x0a, 0xba,
+	0x81, 0xc4, 0x94, 0x7a, 0x18, 0xb9, 0xf8, 0x90, 0x6c, 0x2e, 0xc8, 0xa9, 0xa4, 0xd8, 0x5e, 0x2b,
+	0x2e, 0x56, 0x84, 0x7d, 0xdc, 0x46, 0x2a, 0x84, 0xb4, 0x83, 0x1c, 0x12, 0x04, 0xd1, 0xa2, 0x14,
+	0xca, 0x25, 0xec, 0x5c, 0x94, 0x9a, 0x58, 0x92, 0x4a, 0xd5, 0xa0, 0x50, 0x0a, 0xe6, 0x12, 0x44,
+	0x35, 0x96, 0x0a, 0xfe, 0x54, 0x92, 0xe2, 0x62, 0x83, 0x88, 0x08, 0x09, 0x70, 0x31, 0x97, 0x16,
+	0x65, 0x82, 0x8d, 0xe1, 0x0c, 0x02, 0x31, 0x95, 0x0c, 0xb8, 0x58, 0x40, 0xde, 0x12, 0x12, 0xe2,
+	0x62, 0xc9, 0x4b, 0xcc, 0x4d, 0x85, 0x4a, 0x81, 0xd9, 0x42, 0x22, 0x5c, 0xac, 0x65, 0x89, 0x39,
+	0xa5, 0xa9, 0x12, 0x4c, 0x60, 0x41, 0x08, 0xc7, 0xe8, 0x13, 0x23, 0x17, 0xa7, 0x27, 0xcc, 0x36,
+	0xa1, 0x5c, 0x2e, 0x4e, 0x78, 0xac, 0x08, 0x19, 0x10, 0x72, 0x18, 0x7a, 0xd2, 0x91, 0xd2, 0x23,
+	0x41, 0x07, 0x28, 0x28, 0xca, 0xb8, 0x78, 0x90, 0xc3, 0x47, 0xc8, 0x98, 0x90, 0x7e, 0x2c, 0x91,
+	0x24, 0x65, 0x48, 0x9a, 0xa6, 0x82, 0x9c, 0x4a, 0x27, 0xde, 0x28, 0x6e, 0xb8, 0x8a, 0x32, 0xc3,
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+	0x03, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -256,6 +330,7 @@ const _ = grpc.SupportPackageIsVersion6
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type InventoryClient interface {
 	GetEntity(ctx context.Context, in *GetEntityRequest, opts ...grpc.CallOption) (*GetEntityReply, error)
+	CreateEntity(ctx context.Context, in *CreateEntityRequest, opts ...grpc.CallOption) (*CreateEntityReply, error)
 }
 
 type inventoryClient struct {
@@ -268,7 +343,16 @@ func NewInventoryClient(cc grpc.ClientConnInterface) InventoryClient {
 
 func (c *inventoryClient) GetEntity(ctx context.Context, in *GetEntityRequest, opts ...grpc.CallOption) (*GetEntityReply, error) {
 	out := new(GetEntityReply)
-	err := c.cc.Invoke(ctx, "/spotify.backstage.inventory.v1alpha1.Inventory/GetEntity", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/spotify.backstage.inventory.v1.Inventory/GetEntity", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *inventoryClient) CreateEntity(ctx context.Context, in *CreateEntityRequest, opts ...grpc.CallOption) (*CreateEntityReply, error) {
+	out := new(CreateEntityReply)
+	err := c.cc.Invoke(ctx, "/spotify.backstage.inventory.v1.Inventory/CreateEntity", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -278,6 +362,7 @@ func (c *inventoryClient) GetEntity(ctx context.Context, in *GetEntityRequest, o
 // InventoryServer is the server API for Inventory service.
 type InventoryServer interface {
 	GetEntity(context.Context, *GetEntityRequest) (*GetEntityReply, error)
+	CreateEntity(context.Context, *CreateEntityRequest) (*CreateEntityReply, error)
 }
 
 // UnimplementedInventoryServer can be embedded to have forward compatible implementations.
@@ -287,6 +372,9 @@ type UnimplementedInventoryServer struct {
 func (*UnimplementedInventoryServer) GetEntity(ctx context.Context, req *GetEntityRequest) (*GetEntityReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetEntity not implemented")
 }
+func (*UnimplementedInventoryServer) CreateEntity(ctx context.Context, req *CreateEntityRequest) (*CreateEntityReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateEntity not implemented")
+}
 
 func RegisterInventoryServer(s *grpc.Server, srv InventoryServer) {
 	s.RegisterService(&_Inventory_serviceDesc, srv)
@@ -302,7 +390,7 @@ func _Inventory_GetEntity_Handler(srv interface{}, ctx context.Context, dec func
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/spotify.backstage.inventory.v1alpha1.Inventory/GetEntity",
+		FullMethod: "/spotify.backstage.inventory.v1.Inventory/GetEntity",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(InventoryServer).GetEntity(ctx, req.(*GetEntityRequest))
@@ -310,15 +398,37 @@ func _Inventory_GetEntity_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Inventory_CreateEntity_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateEntityRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InventoryServer).CreateEntity(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/spotify.backstage.inventory.v1.Inventory/CreateEntity",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InventoryServer).CreateEntity(ctx, req.(*CreateEntityRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Inventory_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "spotify.backstage.inventory.v1alpha1.Inventory",
+	ServiceName: "spotify.backstage.inventory.v1.Inventory",
 	HandlerType: (*InventoryServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
 			MethodName: "GetEntity",
 			Handler:    _Inventory_GetEntity_Handler,
 		},
+		{
+			MethodName: "CreateEntity",
+			Handler:    _Inventory_CreateEntity_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "protos/inventory.proto",
+	Metadata: "inventory/v1/inventory.proto",
 }

proto/inventory/v1/inventory.proto

@@ -1,9 +1,12 @@
 syntax = "proto3";
 
-package spotify.backstage.inventory.v1alpha1;
+package spotify.backstage.inventory.v1;
+
+option go_package = "inventoryv1";
 
 service Inventory {
   rpc GetEntity(GetEntityRequest) returns (GetEntityReply);
+  rpc CreateEntity(CreateEntityRequest) returns (CreateEntityReply);
 }
 
 message GetEntityRequest {
@@ -16,9 +19,16 @@ message GetEntityReply {
   repeated Fact facts = 2;
 }
 
+message CreateEntityRequest {
+  Entity entity = 1;
+}
+
+message CreateEntityReply {
+  Entity entity = 1;
+}
+
 message Entity {
-  string kind = 1;
-  string id = 2;
+  string uri = 1;
 }
 
 message Fact {