Add version endpoint (#119)

Author: BotondGalxc

README.md

@@ -15,6 +15,7 @@ This Microservice provides the source of truth for master data.
     * limit max clusters
 * tenant members
 * tenant project members
+* version
 
 ## Design
 

api/v1/version.pb.go

@@ -0,0 +1,19 @@
+package service
+
+import (
+	"context"
+
+	v1 "github.com/metal-stack/masterdata-api/api/v1"
+	"github.com/metal-stack/v"
+)
+
+type versionService struct {
+}
+
+func NewVersionService() *versionService {
+	return &versionService{}
+}
+func (vs *versionService) Get(ctx context.Context, request *v1.GetVersionRequest) (*v1.GetVersionResponse, error) {
+	res := v1.GetVersionResponse{Version: v.Version, Revision: v.Revision, BuildDate: v.BuildDate, GitSha1: v.GitSHA1}
+	return &res, nil
+}

api/v1/version_grpc.pb.go

@@ -0,0 +1,28 @@
+package service
+
+import (
+	"context"
+	"testing"
+
+	v1 "github.com/metal-stack/masterdata-api/api/v1"
+	"github.com/metal-stack/v"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetVersion(t *testing.T) {
+
+	vs := &versionService{}
+	ctx := context.Background()
+
+	expected := v1.GetVersionResponse{Version: v.Version, Revision: v.Revision, BuildDate: v.BuildDate, GitSha1: v.GitSHA1}
+
+	result, err := vs.Get(ctx, &v1.GetVersionRequest{})
+
+	require.NoError(t, err)
+	assert.NotNil(t, result)
+	assert.Equal(t, expected.Version, result.Version)
+	assert.Equal(t, expected.Revision, result.Revision)
+	assert.Equal(t, expected.BuildDate, result.BuildDate)
+	assert.Equal(t, expected.GitSha1, result.GitSha1)
+}

pkg/service/version.go

@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package v1;
+
+service VersionService {
+  rpc Get(GetVersionRequest) returns (GetVersionResponse);
+}
+
+message GetVersionRequest {}
+
+message GetVersionResponse {
+  string version = 1;
+  string revision = 2;
+  string git_sha1 = 3;
+  string build_date = 4;
+}