feat: add version response for provider (#466)

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

pkg/server/server.go

@@ -6,6 +6,7 @@ import (
 	"os"
 
 	"github.com/Azure/secrets-store-csi-driver-provider-azure/pkg/provider"
+	"github.com/Azure/secrets-store-csi-driver-provider-azure/pkg/version"
 
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
@@ -63,7 +64,11 @@ func (s *CSIDriverProviderServer) Mount(ctx context.Context, req *v1alpha1.Mount
 }
 
 func (s *CSIDriverProviderServer) Version(ctx context.Context, req *v1alpha1.VersionRequest) (*v1alpha1.VersionResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Version not implemented")
+	return &v1alpha1.VersionResponse{
+		Version:        "v1alpha1",
+		RuntimeVersion: version.BuildVersion,
+		RuntimeName:    "secrets-store-csi-driver-provider-azure",
+	}, nil
 }
 
 func (s *CSIDriverProviderServer) Check(ctx context.Context, in *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error) {

pkg/server/server_test.go

@@ -2,8 +2,10 @@ package server
 
 import (
 	"context"
+	"reflect"
 	"testing"
 
+	"github.com/Azure/secrets-store-csi-driver-provider-azure/pkg/version"
 	"sigs.k8s.io/secrets-store-csi-driver/provider/v1alpha1"
 )
 
@@ -57,8 +59,17 @@ func TestMount(t *testing.T) {
 
 func TestVersion(t *testing.T) {
 	testServer := &CSIDriverProviderServer{}
-	_, err := testServer.Version(context.TODO(), &v1alpha1.VersionRequest{})
-	if err == nil {
-		t.Fatalf("expected error to not be nil")
+	version.BuildVersion = "test"
+	resp, err := testServer.Version(context.TODO(), &v1alpha1.VersionRequest{})
+	if err != nil {
+		t.Fatalf("expected error to be nil")
+	}
+	expectedVersionResponse := &v1alpha1.VersionResponse{
+		Version:        "v1alpha1",
+		RuntimeVersion: "test",
+		RuntimeName:    "secrets-store-csi-driver-provider-azure",
+	}
+	if !reflect.DeepEqual(resp, expectedVersionResponse) {
+		t.Fatalf("expected resp: %v, got: %v", expectedVersionResponse, resp)
 	}
 }