token-server: Delegation config import, validation and evaluation.

tokenserver/api/admin/v1/admin.pb.go

Index: tokenserver/api/admin/v1/admin.pb.go
diff --git a/tokenserver/api/admin/v1/admin.pb.go b/tokenserver/api/admin/v1/admin.pb.go
index ad8a66457f974a504b1361315246b24db8bb3e55..412a3bd8e74a7e3d08df75f918f6e00f9ed7bc3f 100644
--- a/tokenserver/api/admin/v1/admin.pb.go
+++ b/tokenserver/api/admin/v1/admin.pb.go
@@ -256,10 +256,18 @@ const _ = grpc.SupportPackageIsVersion3
 type AdminClient interface {
 	// ImportCAConfigs makes the server read CA configs from luci-config.
 	//
+	// This reads 'tokenserver.cfg' file.
+	//
 	// Note that regularly configs are read in background each 5 min.
 	// ImportCAConfigs can be used to force config reread immediately. It will
 	// block until the configs are read.
 	ImportCAConfigs(ctx context.Context, in *google_protobuf.Empty, opts ...grpc.CallOption) (*ImportedConfigs, error)
+	// ImportDelegationConfigs makes the server read 'delegation.cfg' config.
+	//
+	// Note that regularly configs are read in background each 5 min.
+	// ImportDelegationConfigs can be used to force config reread immediately. It
+	// will block until the configs are read.
+	ImportDelegationConfigs(ctx context.Context, in *google_protobuf.Empty, opts ...grpc.CallOption) (*ImportedConfigs, error)
 	// InspectMachineToken decodes a machine token and verifies it is valid.
 	//
 	// It verifies the token was signed by a private key of the token server and
@@ -294,6 +302,15 @@ func (c *adminPRPCClient) ImportCAConfigs(ctx context.Context, in *google_protob
 	return out, nil
 }
 
+func (c *adminPRPCClient) ImportDelegationConfigs(ctx context.Context, in *google_protobuf.Empty, opts ...grpc.CallOption) (*ImportedConfigs, error) {
+	out := new(ImportedConfigs)
+	err := c.client.Call(ctx, "tokenserver.admin.Admin", "ImportDelegationConfigs", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *adminPRPCClient) InspectMachineToken(ctx context.Context, in *InspectMachineTokenRequest, opts ...grpc.CallOption) (*InspectMachineTokenResponse, error) {
 	out := new(InspectMachineTokenResponse)
 	err := c.client.Call(ctx, "tokenserver.admin.Admin", "InspectMachineToken", in, out, opts...)
@@ -320,6 +337,15 @@ func (c *adminClient) ImportCAConfigs(ctx context.Context, in *google_protobuf.E
 	return out, nil
 }
 
+func (c *adminClient) ImportDelegationConfigs(ctx context.Context, in *google_protobuf.Empty, opts ...grpc.CallOption) (*ImportedConfigs, error) {
+	out := new(ImportedConfigs)
+	err := grpc.Invoke(ctx, "/tokenserver.admin.Admin/ImportDelegationConfigs", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *adminClient) InspectMachineToken(ctx context.Context, in *InspectMachineTokenRequest, opts ...grpc.CallOption) (*InspectMachineTokenResponse, error) {
 	out := new(InspectMachineTokenResponse)
 	err := grpc.Invoke(ctx, "/tokenserver.admin.Admin/InspectMachineToken", in, out, c.cc, opts...)
@@ -334,10 +360,18 @@ func (c *adminClient) InspectMachineToken(ctx context.Context, in *InspectMachin
 type AdminServer interface {
 	// ImportCAConfigs makes the server read CA configs from luci-config.
 	//
+	// This reads 'tokenserver.cfg' file.
+	//
 	// Note that regularly configs are read in background each 5 min.
 	// ImportCAConfigs can be used to force config reread immediately. It will
 	// block until the configs are read.
 	ImportCAConfigs(context.Context, *google_protobuf.Empty) (*ImportedConfigs, error)
+	// ImportDelegationConfigs makes the server read 'delegation.cfg' config.
+	//
+	// Note that regularly configs are read in background each 5 min.
+	// ImportDelegationConfigs can be used to force config reread immediately. It
+	// will block until the configs are read.
+	ImportDelegationConfigs(context.Context, *google_protobuf.Empty) (*ImportedConfigs, error)
 	// InspectMachineToken decodes a machine token and verifies it is valid.
 	//
 	// It verifies the token was signed by a private key of the token server and
@@ -378,6 +412,24 @@ func _Admin_ImportCAConfigs_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Admin_ImportDelegationConfigs_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(google_protobuf.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AdminServer).ImportDelegationConfigs(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/tokenserver.admin.Admin/ImportDelegationConfigs",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AdminServer).ImportDelegationConfigs(ctx, req.(*google_protobuf.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Admin_InspectMachineToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(InspectMachineTokenRequest)
 	if err := dec(in); err != nil {
@@ -405,6 +457,10 @@ var _Admin_serviceDesc = grpc.ServiceDesc{
 			Handler:    _Admin_ImportCAConfigs_Handler,
 		},
 		{
+			MethodName: "ImportDelegationConfigs",
+			Handler:    _Admin_ImportDelegationConfigs_Handler,
+		},
+		{
 			MethodName: "InspectMachineToken",
 			Handler:    _Admin_InspectMachineToken_Handler,
 		},
@@ -418,36 +474,37 @@ func init() {
 }
 
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 }