Add Sdk/Unmount service endpoint

BUG=chromium:1043296
TEST=None

Change-Id: Ia0fe931c873a24870cde73e2db982d0d9ffad24a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2008488
Commit-Queue: Chris McDonald <cjmcdonald@chromium.org>
Commit-Queue: Alex Klein <saklein@chromium.org>
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Auto-Submit: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>
diff --git a/descpb.bin b/descpb.bin
index d2bea18..ccb816f 100644
--- a/descpb.bin
+++ b/descpb.bin
Binary files differ
diff --git a/go/chromite/api/sdk.pb.go b/go/chromite/api/sdk.pb.go
index 547eb00..90dc3b7 100644
--- a/go/chromite/api/sdk.pb.go
+++ b/go/chromite/api/sdk.pb.go
@@ -530,40 +530,41 @@
 func init() { proto.RegisterFile("chromite/api/sdk.proto", fileDescriptor_b3d6bdc7c0e50b1e) }
 
 var fileDescriptor_b3d6bdc7c0e50b1e = []byte{
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 	0x00,
 }
 
@@ -583,6 +584,8 @@
 	Create(ctx context.Context, in *CreateRequest, opts ...grpc.CallOption) (*CreateResponse, error)
 	// Delete a chroot.
 	Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*DeleteResponse, error)
+	// Unmount a chroot.
+	Unmount(ctx context.Context, in *UnmountRequest, opts ...grpc.CallOption) (*UnmountResponse, error)
 	// Update the chroot.
 	Update(ctx context.Context, in *UpdateRequest, opts ...grpc.CallOption) (*UpdateResponse, error)
 }
@@ -613,6 +616,15 @@
 	return out, nil
 }
 
+func (c *sdkServiceClient) Unmount(ctx context.Context, in *UnmountRequest, opts ...grpc.CallOption) (*UnmountResponse, error) {
+	out := new(UnmountResponse)
+	err := c.cc.Invoke(ctx, "/chromite.api.SdkService/Unmount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *sdkServiceClient) Update(ctx context.Context, in *UpdateRequest, opts ...grpc.CallOption) (*UpdateResponse, error) {
 	out := new(UpdateResponse)
 	err := c.cc.Invoke(ctx, "/chromite.api.SdkService/Update", in, out, opts...)
@@ -628,6 +640,8 @@
 	Create(context.Context, *CreateRequest) (*CreateResponse, error)
 	// Delete a chroot.
 	Delete(context.Context, *DeleteRequest) (*DeleteResponse, error)
+	// Unmount a chroot.
+	Unmount(context.Context, *UnmountRequest) (*UnmountResponse, error)
 	// Update the chroot.
 	Update(context.Context, *UpdateRequest) (*UpdateResponse, error)
 }
@@ -642,6 +656,9 @@
 func (*UnimplementedSdkServiceServer) Delete(ctx context.Context, req *DeleteRequest) (*DeleteResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Delete not implemented")
 }
+func (*UnimplementedSdkServiceServer) Unmount(ctx context.Context, req *UnmountRequest) (*UnmountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Unmount not implemented")
+}
 func (*UnimplementedSdkServiceServer) Update(ctx context.Context, req *UpdateRequest) (*UpdateResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Update not implemented")
 }
@@ -686,6 +703,24 @@
 	return interceptor(ctx, in, info, handler)
 }
 
+func _SdkService_Unmount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UnmountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SdkServiceServer).Unmount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/chromite.api.SdkService/Unmount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SdkServiceServer).Unmount(ctx, req.(*UnmountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _SdkService_Update_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateRequest)
 	if err := dec(in); err != nil {
@@ -717,6 +752,10 @@
 			Handler:    _SdkService_Delete_Handler,
 		},
 		{
+			MethodName: "Unmount",
+			Handler:    _SdkService_Unmount_Handler,
+		},
+		{
 			MethodName: "Update",
 			Handler:    _SdkService_Update_Handler,
 		},
diff --git a/src/chromite/api/sdk.proto b/src/chromite/api/sdk.proto
index 933d21b..f5b8cd8 100644
--- a/src/chromite/api/sdk.proto
+++ b/src/chromite/api/sdk.proto
@@ -97,6 +97,9 @@
   // Delete a chroot.
   rpc Delete(DeleteRequest) returns (DeleteResponse);
 
+  // Unmount a chroot.
+  rpc Unmount(UnmountRequest) returns (UnmountResponse);
+
   // Update the chroot.
   rpc Update(UpdateRequest) returns (UpdateResponse) {
     option (method_options) = {