add part of static config validator and tests for it, add some configurators

32 files changed, 1012 insertions, 5 deletions

diff --git a/ydb/library/yaml_config/CMakeLists.darwin-x86_64.txt b/ydb/library/yaml_config/CMakeLists.darwin-x86_64.txt
index 53f12dbad16..1d4687f1e2f 100644
--- a/ydb/library/yaml_config/CMakeLists.darwin-x86_64.txt
+++ b/ydb/library/yaml_config/CMakeLists.darwin-x86_64.txt
@@ -7,6 +7,7 @@
 
 
 add_subdirectory(public)
+add_subdirectory(static_validator)
 add_subdirectory(ut)
 add_subdirectory(validator)
 
diff --git a/ydb/library/yaml_config/CMakeLists.linux-aarch64.txt b/ydb/library/yaml_config/CMakeLists.linux-aarch64.txt
index d0effadc52c..3efee2c1abe 100644
--- a/ydb/library/yaml_config/CMakeLists.linux-aarch64.txt
+++ b/ydb/library/yaml_config/CMakeLists.linux-aarch64.txt
@@ -7,6 +7,7 @@
 
 
 add_subdirectory(public)
+add_subdirectory(static_validator)
 add_subdirectory(ut)
 add_subdirectory(validator)
 
diff --git a/ydb/library/yaml_config/CMakeLists.linux-x86_64.txt b/ydb/library/yaml_config/CMakeLists.linux-x86_64.txt
index d0effadc52c..3efee2c1abe 100644
--- a/ydb/library/yaml_config/CMakeLists.linux-x86_64.txt
+++ b/ydb/library/yaml_config/CMakeLists.linux-x86_64.txt
@@ -7,6 +7,7 @@
 
 
 add_subdirectory(public)
+add_subdirectory(static_validator)
 add_subdirectory(ut)
 add_subdirectory(validator)
 
diff --git a/ydb/library/yaml_config/CMakeLists.windows-x86_64.txt b/ydb/library/yaml_config/CMakeLists.windows-x86_64.txt
index 53f12dbad16..1d4687f1e2f 100644
--- a/ydb/library/yaml_config/CMakeLists.windows-x86_64.txt
+++ b/ydb/library/yaml_config/CMakeLists.windows-x86_64.txt
@@ -7,6 +7,7 @@
 
 
 add_subdirectory(public)
+add_subdirectory(static_validator)
 add_subdirectory(ut)
 add_subdirectory(validator)
 
diff --git a/ydb/library/yaml_config/static_validator/CMakeLists.darwin-x86_64.txt b/ydb/library/yaml_config/static_validator/CMakeLists.darwin-x86_64.txt
new file mode 100644
index 00000000000..254d5ad015f
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/CMakeLists.darwin-x86_64.txt
@@ -0,0 +1,19 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+add_subdirectory(ut)
+
+add_library(library-yaml_config-static_validator)
+target_link_libraries(library-yaml_config-static_validator PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  library-yaml_config-validator
+)
+target_sources(library-yaml_config-static_validator PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/builders.cpp
+)
diff --git a/ydb/library/yaml_config/static_validator/CMakeLists.linux-aarch64.txt b/ydb/library/yaml_config/static_validator/CMakeLists.linux-aarch64.txt
new file mode 100644
index 00000000000..b97f4674a8e
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/CMakeLists.linux-aarch64.txt
@@ -0,0 +1,20 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+add_subdirectory(ut)
+
+add_library(library-yaml_config-static_validator)
+target_link_libraries(library-yaml_config-static_validator PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  library-yaml_config-validator
+)
+target_sources(library-yaml_config-static_validator PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/builders.cpp
+)
diff --git a/ydb/library/yaml_config/static_validator/CMakeLists.linux-x86_64.txt b/ydb/library/yaml_config/static_validator/CMakeLists.linux-x86_64.txt
new file mode 100644
index 00000000000..b97f4674a8e
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/CMakeLists.linux-x86_64.txt
@@ -0,0 +1,20 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+add_subdirectory(ut)
+
+add_library(library-yaml_config-static_validator)
+target_link_libraries(library-yaml_config-static_validator PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  library-yaml_config-validator
+)
+target_sources(library-yaml_config-static_validator PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/builders.cpp
+)
diff --git a/ydb/library/yaml_config/static_validator/CMakeLists.txt b/ydb/library/yaml_config/static_validator/CMakeLists.txt
new file mode 100644
index 00000000000..f8b31df0c11
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/CMakeLists.txt
@@ -0,0 +1,17 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-aarch64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  include(CMakeLists.darwin-x86_64.txt)
+elseif (WIN32 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64" AND NOT HAVE_CUDA)
+  include(CMakeLists.windows-x86_64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-x86_64.txt)
+endif()
diff --git a/ydb/library/yaml_config/static_validator/CMakeLists.windows-x86_64.txt b/ydb/library/yaml_config/static_validator/CMakeLists.windows-x86_64.txt
new file mode 100644
index 00000000000..254d5ad015f
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/CMakeLists.windows-x86_64.txt
@@ -0,0 +1,19 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+add_subdirectory(ut)
+
+add_library(library-yaml_config-static_validator)
+target_link_libraries(library-yaml_config-static_validator PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  library-yaml_config-validator
+)
+target_sources(library-yaml_config-static_validator PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/builders.cpp
+)
diff --git a/ydb/library/yaml_config/static_validator/builders.cpp b/ydb/library/yaml_config/static_validator/builders.cpp
new file mode 100644
index 00000000000..e38ff01938a
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/builders.cpp
@@ -0,0 +1,126 @@
+#include "builders.h"
+
+#include <ydb/library/yaml_config/validator/validator_checks.h>
+#include <ydb/library/yaml_config/validator/configurators.h>
+
+using namespace NYamlConfig::NValidator;
+using namespace NYamlConfig::NValidator::Configurators;
+
+TArrayBuilder HostConfigBuilder() {
+  return TArrayBuilder([](auto& b) {b
+    .Configure(uniqueByPath("host_config_id"))
+    .MapItem([](auto& b) {b
+      .Int64("host_config_id", nonNegative()) // >= 0?
+      .Array("drive", [](auto& b) {b
+        .Configure(uniqueByPath("path"))
+        .MapItem([](auto& b) {b
+          .String("path")
+          .Enum("type", {"ssd", "nvme", "rot"});
+        });
+      });
+    });
+  });
+}
+
+TArrayBuilder HostsBuilder() {
+  return TArrayBuilder([](auto& b){b
+    .MapItem([](auto& b) {b
+      .String("host")
+      .Int64("host_config_id", nonNegative())
+      .Int64("node_id", nonNegative())
+      .Int64("port", 0, 65535)
+      .Map("location", [](auto& b){b
+        .String("unit")
+        .String("data_center")
+        .String("rack");
+      });
+    })
+    .Configure(uniqueByPath("node_id"))
+    .AddCheck("Must not have to hosts with same host name and port", [](auto& c) {
+      auto array = c.Node();
+      THashMap<std::pair<TString, i64>, i64> itemsToIndex;
+
+      for (int i = 0; i < array.Length(); ++i) {
+        TString host = array[i].Map()["host"].String();
+        i64 port = array[i].Map()["port"].Int64();
+        auto item = std::pair{host, port};
+
+        if (itemsToIndex.contains(item)) {
+          TString i1 = ToString(itemsToIndex[item]);
+          TString i2 = ToString(i);
+
+          c.Fail("items with indexes " + i1 + " and " + i2 + " are conflicting");
+        }
+        itemsToIndex[item] = i;
+      }
+    });
+  });
+}
+
+TMapBuilder DomainsConfigBuilder() {
+  return TMapBuilder([](auto& b){b
+    .Array("domain", [](auto& b){b
+      .MapItem([](auto& b){b
+        .String("name")
+        .Field("storage_pool_types", StoragePoolTypesConfigBuilder());
+      });
+    })
+    .Field("state_storage", StateStorageBuilder())
+    .Field("security_config", SecurityConfigBuilder());
+  });
+}
+
+TArrayBuilder StoragePoolTypesConfigBuilder() {
+  return TArrayBuilder([](auto& b){b
+    .MapItem([](auto& b){b
+      .String("kind")
+      .Map("pool_config", [](auto& b){b
+        .Int64("box_id", nonNegative())
+        .Int64("encryption", [](auto&b){b
+          .Range(0, 1)
+          .Optional();
+        })
+        .Enum("erasure_species", {"none", "block-4-2", "mirror-3-dc", "mirror-3dc-3-nodes"})
+        .String("kind")
+        .Array("pdisk_filter", [](auto& b){b
+          .MapItem([](auto& b){b
+            .Array("property", [](auto& b){b
+              .MapItem([](auto& b){b
+                .Enum("type", {"ssd", "nvme", "rot"});
+              });
+            });
+          });
+        });
+      })
+      .Configure(mustBeEqual("kind", "pool_config/kind"));
+    });
+  });
+}
+
+TArrayBuilder StateStorageBuilder() {
+  return TArrayBuilder([](auto& b){b
+    .MapItem([](auto& b){b
+      .Map("ring", [](auto& b){b
+        .Array("node", [](auto& b){b
+          .Int64Item(nonNegative());
+        })
+        .Int64("nto_select", nonNegative())
+        .AddCheck("nto_select must not be greater, than node array size", [](auto& c){
+          i64 nto_select = c.Node()["nto_select"].Int64();
+          i64 arr_size = c.Node()["node"].Array().Length();
+          c.Expect(nto_select <= arr_size);
+        });
+      })
+      .Int64("ssid", nonNegative());
+    });
+  });
+}
+
+TMapBuilder SecurityConfigBuilder() {
+  return TMapBuilder([](auto& b){b
+    .Bool("enforce_user_token_requirement", [](auto& b){
+      b.Optional();
+    })
+    .Optional();
+  });
+}
diff --git a/ydb/library/yaml_config/static_validator/builders.h b/ydb/library/yaml_config/static_validator/builders.h
new file mode 100644
index 00000000000..ec81eaa42e9
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/builders.h
@@ -0,0 +1,9 @@
+#include <ydb/library/yaml_config/validator/validator_builder.h>
+
+NYamlConfig::NValidator::TArrayBuilder HostConfigBuilder();
+NYamlConfig::NValidator::TArrayBuilder HostsBuilder();
+NYamlConfig::NValidator::TMapBuilder DomainsConfigBuilder();
+
+NYamlConfig::NValidator::TArrayBuilder StoragePoolTypesConfigBuilder();
+NYamlConfig::NValidator::TArrayBuilder StateStorageBuilder();
+NYamlConfig::NValidator::TMapBuilder SecurityConfigBuilder();
diff --git a/ydb/library/yaml_config/static_validator/ut/CMakeLists.darwin-x86_64.txt b/ydb/library/yaml_config/static_validator/ut/CMakeLists.darwin-x86_64.txt
new file mode 100644
index 00000000000..5ba673b5a07
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/CMakeLists.darwin-x86_64.txt
@@ -0,0 +1,63 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_executable(ydb-library-yaml_config-static_validator-ut)
+target_link_libraries(ydb-library-yaml_config-static_validator-ut PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  library-cpp-cpuid_check
+  cpp-testing-unittest_main
+  library-yaml_config-static_validator
+  library-yaml_config-validator
+)
+target_link_options(ydb-library-yaml_config-static_validator-ut PRIVATE
+  -Wl,-platform_version,macos,11.0,11.0
+  -fPIC
+  -fPIC
+)
+target_sources(ydb-library-yaml_config-static_validator-ut PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/ut/test.cpp
+)
+set_property(
+  TARGET
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  SPLIT_FACTOR
+  1
+)
+add_yunittest(
+  NAME
+  ydb-library-yaml_config-static_validator-ut
+  TEST_TARGET
+  ydb-library-yaml_config-static_validator-ut
+  TEST_ARG
+  --print-before-suite
+  --print-before-test
+  --fork-tests
+  --print-times
+  --show-fails
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  LABELS
+  SMALL
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  PROCESSORS
+  1
+)
+target_allocator(ydb-library-yaml_config-static_validator-ut
+  system_allocator
+)
+vcs_info(ydb-library-yaml_config-static_validator-ut)
diff --git a/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-aarch64.txt b/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-aarch64.txt
new file mode 100644
index 00000000000..2cc2a1d91e7
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-aarch64.txt
@@ -0,0 +1,68 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_executable(ydb-library-yaml_config-static_validator-ut)
+target_link_libraries(ydb-library-yaml_config-static_validator-ut PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  cpp-testing-unittest_main
+  library-yaml_config-static_validator
+  library-yaml_config-validator
+)
+target_link_options(ydb-library-yaml_config-static_validator-ut PRIVATE
+  -ldl
+  -lrt
+  -Wl,--no-as-needed
+  -fPIC
+  -fPIC
+  -lpthread
+  -lrt
+  -ldl
+)
+target_sources(ydb-library-yaml_config-static_validator-ut PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/ut/test.cpp
+)
+set_property(
+  TARGET
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  SPLIT_FACTOR
+  1
+)
+add_yunittest(
+  NAME
+  ydb-library-yaml_config-static_validator-ut
+  TEST_TARGET
+  ydb-library-yaml_config-static_validator-ut
+  TEST_ARG
+  --print-before-suite
+  --print-before-test
+  --fork-tests
+  --print-times
+  --show-fails
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  LABELS
+  SMALL
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  PROCESSORS
+  1
+)
+target_allocator(ydb-library-yaml_config-static_validator-ut
+  cpp-malloc-jemalloc
+)
+vcs_info(ydb-library-yaml_config-static_validator-ut)
diff --git a/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-x86_64.txt b/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-x86_64.txt
new file mode 100644
index 00000000000..ab86023928e
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/CMakeLists.linux-x86_64.txt
@@ -0,0 +1,70 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_executable(ydb-library-yaml_config-static_validator-ut)
+target_link_libraries(ydb-library-yaml_config-static_validator-ut PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  library-cpp-cpuid_check
+  cpp-testing-unittest_main
+  library-yaml_config-static_validator
+  library-yaml_config-validator
+)
+target_link_options(ydb-library-yaml_config-static_validator-ut PRIVATE
+  -ldl
+  -lrt
+  -Wl,--no-as-needed
+  -fPIC
+  -fPIC
+  -lpthread
+  -lrt
+  -ldl
+)
+target_sources(ydb-library-yaml_config-static_validator-ut PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/ut/test.cpp
+)
+set_property(
+  TARGET
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  SPLIT_FACTOR
+  1
+)
+add_yunittest(
+  NAME
+  ydb-library-yaml_config-static_validator-ut
+  TEST_TARGET
+  ydb-library-yaml_config-static_validator-ut
+  TEST_ARG
+  --print-before-suite
+  --print-before-test
+  --fork-tests
+  --print-times
+  --show-fails
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  LABELS
+  SMALL
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  PROCESSORS
+  1
+)
+target_allocator(ydb-library-yaml_config-static_validator-ut
+  cpp-malloc-tcmalloc
+  libs-tcmalloc-no_percpu_cache
+)
+vcs_info(ydb-library-yaml_config-static_validator-ut)
diff --git a/ydb/library/yaml_config/static_validator/ut/CMakeLists.txt b/ydb/library/yaml_config/static_validator/ut/CMakeLists.txt
new file mode 100644
index 00000000000..f8b31df0c11
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/CMakeLists.txt
@@ -0,0 +1,17 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-aarch64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  include(CMakeLists.darwin-x86_64.txt)
+elseif (WIN32 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64" AND NOT HAVE_CUDA)
+  include(CMakeLists.windows-x86_64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-x86_64.txt)
+endif()
diff --git a/ydb/library/yaml_config/static_validator/ut/CMakeLists.windows-x86_64.txt b/ydb/library/yaml_config/static_validator/ut/CMakeLists.windows-x86_64.txt
new file mode 100644
index 00000000000..749e97fd3c5
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/CMakeLists.windows-x86_64.txt
@@ -0,0 +1,58 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_executable(ydb-library-yaml_config-static_validator-ut)
+target_link_libraries(ydb-library-yaml_config-static_validator-ut PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  library-cpp-cpuid_check
+  cpp-testing-unittest_main
+  library-yaml_config-static_validator
+  library-yaml_config-validator
+)
+target_sources(ydb-library-yaml_config-static_validator-ut PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/static_validator/ut/test.cpp
+)
+set_property(
+  TARGET
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  SPLIT_FACTOR
+  1
+)
+add_yunittest(
+  NAME
+  ydb-library-yaml_config-static_validator-ut
+  TEST_TARGET
+  ydb-library-yaml_config-static_validator-ut
+  TEST_ARG
+  --print-before-suite
+  --print-before-test
+  --fork-tests
+  --print-times
+  --show-fails
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  LABELS
+  SMALL
+)
+set_yunittest_property(
+  TEST
+  ydb-library-yaml_config-static_validator-ut
+  PROPERTY
+  PROCESSORS
+  1
+)
+target_allocator(ydb-library-yaml_config-static_validator-ut
+  system_allocator
+)
+vcs_info(ydb-library-yaml_config-static_validator-ut)
diff --git a/ydb/library/yaml_config/static_validator/ut/test.cpp b/ydb/library/yaml_config/static_validator/ut/test.cpp
new file mode 100644
index 00000000000..555634e1e90
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/test.cpp
@@ -0,0 +1,318 @@
+#include <ydb/library/yaml_config/static_validator/builders.h>
+
+#include <library/cpp/testing/unittest/registar.h>
+#include <ydb/library/yaml_config/validator/validator.h>
+#include <ydb/library/yaml_config/validator/validator_builder.h>
+
+using namespace NYamlConfig::NValidator;
+using TIssue = TValidationResult::TIssue;
+
+bool HasOnlyThisIssues(TValidationResult result, TVector<TIssue> issues) {
+    if (result.Issues.size() != issues.size()) {
+        Cerr << "Issue counts are differend. List of actul issues:" << Endl;
+        Cerr << result;
+        Cerr << "------------- List of Expected Issues: " << Endl;
+        Cerr << TValidationResult(issues);
+        Cerr << "------------- End of issue List" << Endl;
+        return false;
+    }
+    Sort(result.Issues);
+    Sort(issues);
+    for (size_t i = 0; i < issues.size(); ++i) {
+        if (result.Issues[i] != issues[i]) {
+            Cerr << "Issues are differend. List of actul issues:" << Endl;
+            Cerr << result;
+            Cerr << "------------- List of Expected Issues: " << Endl;
+            Cerr << TValidationResult(issues);
+            Cerr << "------------- End of issue List" << Endl;
+            return false;
+        }
+    }
+    return true;
+}
+
+bool Valid(TValidationResult result) {
+    if (result.Ok()) return true;
+
+    Cerr << "List of issues:" << Endl;
+    Cerr << result;
+    Cerr << "------------- End of issue list: " << Endl;
+    return false;
+}
+
+Y_UNIT_TEST_SUITE(StaticValidator) {
+    Y_UNIT_TEST(HostConfigs) {
+        auto v = 
+        TMapBuilder()
+        .Field("host_configs", HostConfigBuilder())
+        .CreateValidator();
+
+        auto yaml =
+        "host_configs:\n"
+        "- host_config_id: 1\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n";
+        
+        Y_ENSURE(Valid(v.Validate(yaml)));
+
+        yaml =
+        "host_configs:\n"
+        "- host_config_id: 1\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "- host_config_id: 2\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_03\n"
+        "    type: SSD\n";
+
+        Y_ENSURE(Valid(v.Validate(yaml)));
+
+        yaml =
+        "host_configs:\n"
+        "- host_config_id: 1\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "- host_config_id: 1\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_03\n"
+        "    type: SSD\n";
+
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/host_configs", "Check \"All array items, that located in \"host_config_id\" must be unique\" failed: items with indexes 0 and 1 are conflicting"}
+        }));
+
+        yaml =
+        "host_configs:\n"
+        "- host_config_id: 1\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "- host_config_id: 2\n"
+        "  drive:\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_02\n"
+        "    type: SSD\n"
+        "  - path: /dev/disk/by-partlabel/ydb_disk_ssd_01\n"
+        "    type: SSD\n";
+
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/host_configs/1/drive", "Check \"All array items, that located in \"path\" must be unique\" failed: items with indexes 0 and 2 are conflicting"}
+        }));
+    }
+    
+    Y_UNIT_TEST(Hosts) {
+        auto v = 
+        TMapBuilder()
+        .Field("hosts", HostsBuilder())
+        .CreateValidator();
+
+        auto yaml =
+        "hosts:\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n"
+        "- host: hostname2\n"
+        "  host_config_id: 1\n"
+        "  node_id: 2\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n";
+        
+        Y_ENSURE(Valid(v.Validate(yaml)));
+
+        yaml =
+        "hosts:\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 2\n"
+        "  port: 19002\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n";
+        
+        Y_ENSURE(Valid(v.Validate(yaml)));
+
+        yaml =
+        "hosts:\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 2\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n";
+        
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/hosts", "Check \"Must not have to hosts with same host name and port\" failed: items with indexes 0 and 1 are conflicting"}
+        }));
+
+        yaml =
+        "hosts:\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n";
+
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/hosts", "Check \"All array items, that located in \"node_id\" must be unique\" failed: items with indexes 0 and 1 are conflicting"},
+            {"/hosts", "Check \"Must not have to hosts with same host name and port\" failed: items with indexes 0 and 1 are conflicting"}
+        }));
+
+        yaml =
+        "hosts:\n"
+        "- host: hostname1\n"
+        "  host_config_id: 1\n"
+        "  node_id: 1\n"
+        "  port: 19001\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n"
+        "- host: hostname2\n"
+        "  host_config_id: 1\n"
+        "  node_id: 2\n"
+        "  port: 65536\n"
+        "  location:\n"
+        "    unit: '1'\n"
+        "    data_center: '1'\n"
+        "    rack: '1'\n";
+        
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/hosts/1/port", "Value must be less or equal to max value(i.e <= 65535)"}
+        }));
+    }
+
+    Y_UNIT_TEST(DomainsConfig) {
+        auto v = 
+        TMapBuilder()
+        .Field("domains_config", DomainsConfigBuilder())
+        .CreateValidator();
+
+        auto yaml =
+        "domains_config:\n"
+        "  domain:\n"
+        "  - name: Root\n"
+        "    storage_pool_types:\n"
+        "    - kind: ssd\n"
+        "      pool_config:\n"
+        "        box_id: 1\n"
+        "        erasure_species: block-4-2\n"
+        "        kind: ssd\n"
+        "        pdisk_filter:\n"
+        "        - property:\n"
+        "          - type: SSD\n"
+        "        vdisk_kind: Default\n"
+        "  state_storage:\n"
+        "  - ring:\n"
+        "      node: [1, 2, 3, 4, 5, 6, 7, 8]\n"
+        "      nto_select: 8\n"
+        "    ssid: 1\n"
+        "  security_config:\n"
+        "    enforce_user_token_requirement: true\n";
+        
+        Y_ENSURE(Valid(v.Validate(yaml)));
+        
+        yaml =
+        "domains_config:\n"
+        "  domain:\n"
+        "  - name: Root\n"
+        "    storage_pool_types:\n"
+        "    - kind: ssd\n"
+        "      pool_config:\n"
+        "        box_id: 1\n"
+        "        erasure_species: block-4-2\n"
+        "        kind: aaaaaaaaa\n"
+        "        pdisk_filter:\n"
+        "        - property:\n"
+        "          - type: SSD\n"
+        "        vdisk_kind: Default\n"
+        "  state_storage:\n"
+        "  - ring:\n"
+        "      node: [1, 2, 3, 4, 5, 6, 7, 8]\n"
+        "      nto_select: 8\n"
+        "    ssid: 1\n";
+        
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/domains_config/domain/0/storage_pool_types/0", "Fields with paths kind and pool_config/kind must be equal"}
+        }));
+        
+        yaml =
+        "domains_config:\n"
+        "  domain:\n"
+        "  - name: Root\n"
+        "    storage_pool_types:\n"
+        "    - kind: ssd\n"
+        "      pool_config:\n"
+        "        box_id: 1\n"
+        "        erasure_species: block-4-2\n"
+        "        kind: ssd\n"
+        "        pdisk_filter:\n"
+        "        - property:\n"
+        "          - type: SSD\n"
+        "        vdisk_kind: Default\n"
+        "  state_storage:\n"
+        "  - ring:\n"
+        "      node: [1, 2, 3, 4, 5, 6, 7, 8]\n"
+        "      nto_select: 9\n"
+        "    ssid: 1\n";
+
+        Y_ENSURE(HasOnlyThisIssues(v.Validate(yaml), {
+            {"/domains_config/state_storage/0/ring", "nto_select must not be greater, than node array size"}
+        }));
+    }
+}
diff --git a/ydb/library/yaml_config/static_validator/ut/ya.make b/ydb/library/yaml_config/static_validator/ut/ya.make
new file mode 100644
index 00000000000..edb78a7fdd7
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ut/ya.make
@@ -0,0 +1,12 @@
+UNITTEST()
+
+SRCS(
+    test.cpp
+)
+
+PEERDIR(
+    ydb/library/yaml_config/static_validator
+    ydb/library/yaml_config/validator
+)
+
+END()
diff --git a/ydb/library/yaml_config/static_validator/ya.make b/ydb/library/yaml_config/static_validator/ya.make
new file mode 100644
index 00000000000..f91f00f2ade
--- /dev/null
+++ b/ydb/library/yaml_config/static_validator/ya.make
@@ -0,0 +1,14 @@
+LIBRARY()
+
+PEERDIR(
+    ydb/library/yaml_config/validator
+)
+
+SRCS(
+    builders.h
+    builders.cpp
+)
+
+END()
+
+RECURSE_FOR_TESTS(ut)
\ No newline at end of file
diff --git a/ydb/library/yaml_config/validator/CMakeLists.darwin-x86_64.txt b/ydb/library/yaml_config/validator/CMakeLists.darwin-x86_64.txt
index a37fdfda690..2dd6b97814c 100644
--- a/ydb/library/yaml_config/validator/CMakeLists.darwin-x86_64.txt
+++ b/ydb/library/yaml_config/validator/CMakeLists.darwin-x86_64.txt
@@ -25,6 +25,7 @@ target_sources(library-yaml_config-validator PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_checks.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/configurators.cpp
 )
 generate_enum_serilization(library-yaml_config-validator
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.h
diff --git a/ydb/library/yaml_config/validator/CMakeLists.linux-aarch64.txt b/ydb/library/yaml_config/validator/CMakeLists.linux-aarch64.txt
index 363ef68c45e..6986c458be2 100644
--- a/ydb/library/yaml_config/validator/CMakeLists.linux-aarch64.txt
+++ b/ydb/library/yaml_config/validator/CMakeLists.linux-aarch64.txt
@@ -26,6 +26,7 @@ target_sources(library-yaml_config-validator PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_checks.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/configurators.cpp
 )
 generate_enum_serilization(library-yaml_config-validator
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.h
diff --git a/ydb/library/yaml_config/validator/CMakeLists.linux-x86_64.txt b/ydb/library/yaml_config/validator/CMakeLists.linux-x86_64.txt
index 363ef68c45e..6986c458be2 100644
--- a/ydb/library/yaml_config/validator/CMakeLists.linux-x86_64.txt
+++ b/ydb/library/yaml_config/validator/CMakeLists.linux-x86_64.txt
@@ -26,6 +26,7 @@ target_sources(library-yaml_config-validator PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_checks.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/configurators.cpp
 )
 generate_enum_serilization(library-yaml_config-validator
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.h
diff --git a/ydb/library/yaml_config/validator/CMakeLists.windows-x86_64.txt b/ydb/library/yaml_config/validator/CMakeLists.windows-x86_64.txt
index a37fdfda690..2dd6b97814c 100644
--- a/ydb/library/yaml_config/validator/CMakeLists.windows-x86_64.txt
+++ b/ydb/library/yaml_config/validator/CMakeLists.windows-x86_64.txt
@@ -25,6 +25,7 @@ target_sources(library-yaml_config-validator PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator.cpp
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_checks.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/configurators.cpp
 )
 generate_enum_serilization(library-yaml_config-validator
   ${CMAKE_SOURCE_DIR}/ydb/library/yaml_config/validator/validator_builder.h
diff --git a/ydb/library/yaml_config/validator/configurators.cpp b/ydb/library/yaml_config/validator/configurators.cpp
new file mode 100644
index 00000000000..cd9529f9283
--- /dev/null
+++ b/ydb/library/yaml_config/validator/configurators.cpp
@@ -0,0 +1,80 @@
+#include "configurators.h"
+
+#include <ydb/library/yaml_config/validator/validator_builder.h>
+#include <ydb/library/yaml_config/validator/validator_checks.h>
+
+#include <util/string/split.h>
+#include <util/generic/hash.h>
+
+using namespace NYamlConfig::NValidator;
+
+namespace NYamlConfig::NValidator {
+namespace Configurators {
+
+std::function<void(TInt64Builder&)> nonNegative() {
+    return [](auto& b) {
+        b.Min(0);
+    };
+}
+
+std::function<void(TArrayBuilder&)> uniqueByPath(TString path, TString checkName) {
+    checkName = (checkName == "") ? ("All array items, that located in \"" + path + "\" must be unique") : checkName;
+    return [=](auto& b) {
+        b.AddCheck(checkName, [=](auto& c) {
+            TArrayNodeWrapper array = c.Node();
+            THashMap<TString, i64> valueToIndex;
+
+            TVector<TString> pathTokens = StringSplitter(path).Split('/');
+            for (int i = 0; i < array.Length(); ++i) {
+                TNodeWrapper node = array[i];
+                node = walkFrom(node, pathTokens);
+                if (!node.IsScalar()) {
+                    ythrow yexception() << "Can't check uniqness of non-scalar fields";
+                }
+                TString value = node.Scalar();
+                if (valueToIndex.contains(value)) {
+                    TString i1 = ToString(valueToIndex[value]);
+                    TString i2 = ToString(i);
+                    c.Fail("items with indexes " + i1 + " and " + i2 + " are conflicting");
+                }
+                valueToIndex[value] = i;
+            }
+        });
+    };
+}
+
+std::function<void(TMapBuilder&)> mustBeEqual(TString path1, TString path2) {
+    return [=](auto& b){
+        b.AddCheck("Fields with paths " + path1 + " and " + path2 +" must be equal", [=](auto& c){
+            auto node1 = walkFrom(c.Node(), path1);
+            auto node2 = walkFrom(c.Node(), path2);
+
+            c.Expect(node1.Scalar() == node2.Scalar());
+        });
+    };
+}
+
+} // namespace Configurators
+
+TNodeWrapper walkFrom(TNodeWrapper node, TString path) {
+    return walkFrom(node, TVector<TString>(StringSplitter(path).Split('/')));
+}
+
+TNodeWrapper walkFrom(TNodeWrapper node, const TVector<TString>& pathTokens) {
+    for (const TString& pathToken : pathTokens) {
+        if (node.IsMap()) {
+            node = node.Map()[pathToken];
+        } else if (node.IsArray()) {
+            auto i = TryFromString<size_t>(pathToken);
+            if (!i.Defined()) {
+                ythrow yexception() << "incorrect array index";
+            }
+            node = node.Array()[i.GetRef()];
+        } else {
+            ythrow yexception() << "incorrect path";
+        }
+    }
+    return node;
+}
+
+} // namespace NYamlConfig::NValidator
diff --git a/ydb/library/yaml_config/validator/configurators.h b/ydb/library/yaml_config/validator/configurators.h
new file mode 100644
index 00000000000..15b54be16e7
--- /dev/null
+++ b/ydb/library/yaml_config/validator/configurators.h
@@ -0,0 +1,31 @@
+#include <ydb/library/yaml_config/validator/validator_builder.h>
+
+namespace NYamlConfig::NValidator {
+namespace Configurators {
+
+std::function<void(TInt64Builder&)> nonNegative();
+
+std::function<void(TArrayBuilder&)> uniqueByPath(TString path, TString checkName = "");
+
+std::function<void(TMapBuilder&)> mustBeEqual(TString path1, TString path2);
+
+template<typename Builder>
+std::function<void(Builder&)> combine(std::function<void(Builder&)> configurator) {
+   return configurator;
+}
+
+template<typename Builder, typename ...Builders>
+std::function<void(Builder&)> combine(
+    std::function<void(Builder&)> configurator,
+    std::function<void(Builders)>... configurators) {
+    return [configurator, remain = combine(configurators...)](Builder& b) {
+        b.Configure(configurator).Configure(remain);
+    };
+}
+
+} // namespace Configurators
+
+TNodeWrapper walkFrom(TNodeWrapper node, TString path);
+TNodeWrapper walkFrom(TNodeWrapper node, const TVector<TString>& pathTokens);
+
+} // namespace NYamlConfig::NValidator
diff --git a/ydb/library/yaml_config/validator/ut/validator/validator_ut.cpp b/ydb/library/yaml_config/validator/ut/validator/validator_ut.cpp
index 2c9e4333e87..a04f05e6dbc 100644
--- a/ydb/library/yaml_config/validator/ut/validator/validator_ut.cpp
+++ b/ydb/library/yaml_config/validator/ut/validator/validator_ut.cpp
@@ -276,7 +276,8 @@ Y_UNIT_TEST_SUITE(Validator) {
     Y_UNIT_TEST(OpaqueMaps) {
         auto b =
         TMapBuilder()
-            .Int64("int");
+            .Int64("int")
+            .NotOpaque();
 
         auto notOpaque = b.CreateValidator();
 
diff --git a/ydb/library/yaml_config/validator/validator.cpp b/ydb/library/yaml_config/validator/validator.cpp
index f9bda449ab8..27a5ef2911a 100644
--- a/ydb/library/yaml_config/validator/validator.cpp
+++ b/ydb/library/yaml_config/validator/validator.cpp
@@ -253,8 +253,24 @@ TValidationResult TArrayValidator::Validate(const TNodeRef& node) {
         validationResult.AddValidationErrors(ItemValidatorPtr_->Validate(item));
     }
 
-    // TODO: check uniqueness
-    Y_UNUSED(Unique_);
+    THashMap<TString, size_t> valueToIndex;
+    if (Unique_) {
+        for (size_t i = 0; i < node.Sequence().size(); ++i) {
+            const auto& item = node.Sequence()[i];
+            if (item.Type() != NFyaml::ENodeType::Scalar) {
+                ythrow yexception() << "Can't check uniqueness of non-scalar fields";
+            }
+            TString value = item.Scalar();
+            if (valueToIndex.contains(value)) {
+                TString i1 = ToString(valueToIndex[value]);
+                TString i2 = ToString(i);
+                validationResult.AddIssue({
+                    node.Path(),
+                    "items with indexes " + i1 + " and " + i2 + " are conflicting"});
+            }
+            valueToIndex[value] = i;
+        }
+    }
 
     if (validationResult.Ok()) {
         performChecks(validationResult, node);
@@ -391,7 +407,9 @@ TValidationResult TEnumValidator::Validate(const TNodeRef& node) {
 
     TValidationResult validationResult;
 
-    if (!Items_.contains(node.Scalar())) {
+    TString value = node.Scalar();
+    value.to_lower();
+    if (!Items_.contains(value)) {
         TString variants = JoinStrings(Items_.begin(), Items_.end(), ", ");
 
         validationResult.Issues.push_back({
diff --git a/ydb/library/yaml_config/validator/validator_builder.h b/ydb/library/yaml_config/validator/validator_builder.h
index a2b6f8d7416..0cee26aa2a9 100644
--- a/ydb/library/yaml_config/validator/validator_builder.h
+++ b/ydb/library/yaml_config/validator/validator_builder.h
@@ -146,7 +146,7 @@ public:
 
 private:
     THashMap<TString, TSimpleSharedPtr<TBuilder>> Children_;
-    bool Opaque_ = false;
+    bool Opaque_ = true;
 
     void ThrowIfAlreadyHasField(const TString& field);
 };
diff --git a/ydb/library/yaml_config/validator/validator_checks.cpp b/ydb/library/yaml_config/validator/validator_checks.cpp
index dbb6e175276..6aa6a021edf 100644
--- a/ydb/library/yaml_config/validator/validator_checks.cpp
+++ b/ydb/library/yaml_config/validator/validator_checks.cpp
@@ -178,6 +178,13 @@ TEnumNodeWrapper TNodeWrapper::Enum() {
         PathFromCheckNode_);
 }
 
+TString TNodeWrapper::Scalar() {
+    if (!IsScalar()) {
+        throw TCheckException() << "Node " + Node_.Path() + " must be a scalar";
+    }
+    return Node_.Scalar();
+}
+
 TMaybe<ENodeType> TNodeWrapper::ValidatorType() {
     ThrowIfNullNode();
     return NodeType_;
diff --git a/ydb/library/yaml_config/validator/validator_checks.h b/ydb/library/yaml_config/validator/validator_checks.h
index 57be08bf894..e14b54d0461 100644
--- a/ydb/library/yaml_config/validator/validator_checks.h
+++ b/ydb/library/yaml_config/validator/validator_checks.h
@@ -34,6 +34,8 @@ template <typename TThis>
 class TNodeWrapperCommonOps {
 public:
     TNodeWrapperCommonOps(TCheckContext& context, NFyaml::TNodeRef node, TString pathFromCheckNode);
+    TNodeWrapperCommonOps(const TNodeWrapperCommonOps<TThis>& other);
+
     bool Exists() const;
 
     TNodeWrapperCommonOps<TThis>& operator=(const TNodeWrapperCommonOps<TThis>& other);
@@ -62,6 +64,12 @@ TNodeWrapperCommonOps<TThis>::TNodeWrapperCommonOps(
     , PathFromCheckNode_(pathFromCheckNode) {}
 
 template <typename TThis>
+TNodeWrapperCommonOps<TThis>::TNodeWrapperCommonOps(const TNodeWrapperCommonOps<TThis>& other)
+    : Context_(other.Context_)
+    , Node_(other.Node_)
+    , PathFromCheckNode_(other.PathFromCheckNode_) {}
+
+template <typename TThis>
 TNodeWrapperCommonOps<TThis>& TNodeWrapperCommonOps<TThis>::operator=(const TNodeWrapperCommonOps<TThis>& other) {
     Context_ = other.Context_;
     Node_ = other.Node_;
@@ -121,6 +129,7 @@ public:
     TStringNodeWrapper String();
     TBoolNodeWrapper Bool();
     TEnumNodeWrapper Enum();
+    TString Scalar();
 
     TMaybe<ENodeType> ValidatorType();
 
diff --git a/ydb/library/yaml_config/validator/ya.make b/ydb/library/yaml_config/validator/ya.make
index d2ce3c08ce3..ce37734c63e 100644
--- a/ydb/library/yaml_config/validator/ya.make
+++ b/ydb/library/yaml_config/validator/ya.make
@@ -7,6 +7,8 @@ SRCS(
     validator.cpp
     validator_checks.h
     validator_checks.cpp
+    configurators.h
+    configurators.cpp
 )
 
 PEERDIR(
diff --git a/ydb/library/yaml_config/ya.make b/ydb/library/yaml_config/ya.make
index 637f71bbd9c..e8133b9dcad 100644
--- a/ydb/library/yaml_config/ya.make
+++ b/ydb/library/yaml_config/ya.make
@@ -28,6 +28,7 @@ END()
 RECURSE(
     public
     validator
+    static_validator
 )
 
 RECURSE_FOR_TESTS(