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backend/identity: add implementation with static data

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This commit is contained in:
Patrik Oldsberg
2020-02-04 13:56:18 +01:00
parent b52ece5b9b
commit d01cff2573
12 changed files with 216 additions and 29 deletions
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backend/identity/.gitignore
+1
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@@ -0,0 +1 @@
identity
backend/identity/Dockerfile
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backend/identity/README.md
+21
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@@ -0,0 +1,21 @@
# Backstage Identity Service
Mock implementation of Backstage Indentity service API.
## Usage
```sh
$ go build .
$ ./identity
```
Try it out from `proto/` folder:
```sh
prototool grpc identity \
--address 0.0.0.0:50051 \
--method spotify.backstage.identity.v1.Identity/GetUser \
--data '{"id":"patriko"}' \
--details
```
backend/identity/go.mod
+1
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@@ -5,6 +5,7 @@ go 1.13
replace github.com/spotify/backstage/proto => ../proto
require (
github.com/golang/mock v1.1.1
github.com/spotify/backstage/proto v0.0.0-00010101000000-000000000000
google.golang.org/grpc v1.27.0
)
backend/identity/go.sum
+2
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@@ -5,12 +5,14 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1 h1:G5FRp8JnTd7RQH5kemVNlMeyXQAztQ3mOWV95KxsXH8=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
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=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
backend/identity/identity-data.json
+23
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@@ -0,0 +1,23 @@
{
"users": [
{
"id": "rugvip",
"name": "Patrik",
"groups": ["backstage"]
}
],
"groups": [
{
"id": "spotify",
"groups": ["backstage", "scio"]
},
{
"id": "backstage",
"groups": []
},
{
"id": "scio",
"groups": []
}
]
}
backend/identity/main.go
+11 -14
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@@ -1,38 +1,35 @@
package main
import (
"context"
"log"
"net"
"github.com/spotify/backstage/identity/model"
"github.com/spotify/backstage/identity/service"
identityv1 "github.com/spotify/backstage/proto/identity/v1"
"google.golang.org/grpc"
)
const (
port = ":50051"
port = ":50051"
dataPath = "./identity-data.json"
)
func main() {
data, err := model.LoadIdentityData(dataPath)
if err != nil {
log.Fatalf("failed to load identity data, %s", err)
}
lis, err := net.Listen("tcp", port)
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
grpcServer := grpc.NewServer()
identityv1.RegisterIdentityServer(grpcServer, &server{})
identityv1.RegisterIdentityServer(grpcServer, service.New(data))
log.Println("Serving Identity Service")
grpcServer.Serve(lis)
}
type server struct {
}
func (s *server) GetUser(ctx context.Context, req *identityv1.GetUserRequest) (*identityv1.GetUserReply, error) {
return &identityv1.GetUserReply{}, nil
}
func (s *server) GetGroup(ctx context.Context, req *identityv1.GetGroupRequest) (*identityv1.GetGroupReply, error) {
return &identityv1.GetGroupReply{}, nil
}
backend/identity/model/loader.go
+53
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@@ -0,0 +1,53 @@
package model
import (
"encoding/json"
"io/ioutil"
)
type IdentityFileData struct {
Users []struct {
ID string `json:"id"`
Name string `json:"name"`
Groups []string `json:"groups"`
}
Groups []struct {
ID string `json:"id"`
Groups []string `json:"groups"`
}
}
// LoadIdentityData loads identity data from a json file.
func LoadIdentityData(path string) (*IdentityData, error) {
data, err := ioutil.ReadFile(path)
if err != nil {
return nil, err
}
var identityFileData IdentityFileData
if err := json.Unmarshal(data, &identityFileData); err != nil {
return nil, err
}
identityData := IdentityData{
Users: map[string]User{},
Groups: map[string]Group{},
}
for _, user := range identityFileData.Users {
identityData.Users[user.ID] = User{
ID: user.ID,
Name: user.Name,
Groups: user.Groups,
}
}
for _, group := range identityFileData.Groups {
identityData.Groups[group.ID] = Group{
ID: group.ID,
Groups: group.Groups,
}
}
return &identityData, nil
}
backend/identity/model/model.go
+18
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@@ -0,0 +1,18 @@
package model
type IdentityData struct {
Users map[string]User
Groups map[string]Group
}
type User struct {
ID string
Name string
Groups []string
}
type Group struct {
ID string
Users []string
Groups []string
}
backend/identity/service/service.go
+71
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@@ -0,0 +1,71 @@
package service
import (
"context"
"github.com/spotify/backstage/identity/model"
identityv1 "github.com/spotify/backstage/proto/identity/v1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type identityDataServer model.IdentityData
// New creates a new identity data server
func New(data *model.IdentityData) identityv1.IdentityServer {
return (*identityDataServer)(data)
}
func (s *identityDataServer) GetUser(ctx context.Context, req *identityv1.GetUserRequest) (*identityv1.GetUserReply, error) {
id := req.GetId()
if id == "" {
return nil, status.Error(codes.InvalidArgument, "ID is required in GetUserRequest")
}
user, ok := s.Users[id]
if !ok {
return nil, status.Errorf(codes.NotFound, "User '%s' not found", id)
}
var replyGroups []*identityv1.Group
for _, groupID := range user.Groups {
replyGroups = append(replyGroups, &identityv1.Group{
Id: groupID,
})
}
return &identityv1.GetUserReply{
User: &identityv1.User{Id: user.ID, Name: user.Name},
Groups: replyGroups,
}, nil
}
func (s *identityDataServer) GetGroup(ctx context.Context, req *identityv1.GetGroupRequest) (*identityv1.GetGroupReply, error) {
id := req.GetId()
if id == "" {
return nil, status.Error(codes.InvalidArgument, "ID is required in GetGroupRequest")
}
group, ok := s.Groups[id]
if !ok {
return nil, status.Errorf(codes.NotFound, "Group '%s' not found", id)
}
var replyUsers []*identityv1.User
for _, userID := range group.Users {
replyUsers = append(replyUsers, &identityv1.User{
Id: userID,
})
}
var replyGroups []*identityv1.Group
for _, groupID := range group.Groups {
replyGroups = append(replyGroups, &identityv1.Group{
Id: groupID,
})
}
return &identityv1.GetGroupReply{
Group: &identityv1.Group{Id: group.ID, Users: replyUsers, Groups: replyGroups},
}, nil
}
backend/proto/identity/v1/identity.pb.go
+14 -14
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@@ -150,7 +150,7 @@ func (m *GetGroupRequest) GetId() string {
}
type GetGroupReply struct {
Groups *Group `protobuf:"bytes,1,opt,name=groups,proto3" json:"groups,omitempty"`
Group *Group `protobuf:"bytes,1,opt,name=group,proto3" json:"group,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@@ -181,9 +181,9 @@ func (m *GetGroupReply) XXX_DiscardUnknown() {
var xxx_messageInfo_GetGroupReply proto.InternalMessageInfo
func (m *GetGroupReply) GetGroups() *Group {
func (m *GetGroupReply) GetGroup() *Group {
if m != nil {
return m.Groups
return m.Group
}
return nil
}
@@ -302,7 +302,7 @@ func init() {
func init() { proto.RegisterFile("identity/v1/identity.proto", fileDescriptor_2343b5ee8923b571) }
var fileDescriptor_2343b5ee8923b571 = []byte{
// 297 bytes of a gzipped FileDescriptorProto
// 303 bytes of a gzipped FileDescriptorProto
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@@ -312,16 +312,16 @@ var fileDescriptor_2343b5ee8923b571 = []byte{
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}
// Reference imports to suppress errors if they are not otherwise used.
proto/identity/v1/identity.proto
+1 -1
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@@ -27,7 +27,7 @@ message GetGroupRequest {
}
message GetGroupReply {
Group groups = 1;
Group group = 1;
}
message User {