[yugabyte#16400, yugabyte#5042] DocDB:Remove ent folder

Summary:
Goodbye and thanks for all the fish.

Fixes yugabyte#16400, yugabyte#5042

Test Plan:
All tests

python python/yb/gen_pch.py

export YB_RUN_AFFECTED_TESTS_ONLY=1
build-support/jenkins/test.sh

Reviewers: slingam, bogdan

Reviewed By: slingam, bogdan

Subscribers: ybase, slingam

Differential Revision: https://phabricator.dev.yugabyte.com/D23489

.gitignore

@@ -81,9 +81,6 @@ hs_err_pid*.log
 
 compile_commands.json
 
-# This might be added by some editors' Java plugins
-ent/java/yb-cqlent/bin/
-
 test_results.json
 test_failures.json
 *_test_report.json

CMakeLists.txt

@@ -584,7 +584,7 @@ file(MAKE_DIRECTORY "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}")
 set(EXECUTABLE_OUTPUT_PATH "${YB_BUILD_ROOT}/bin")
 file(MAKE_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}")
 
-# Generated sources always have higher priority than even the "ent" directory include files.
+# Generated sources always have higher priority.
 include_directories(${CMAKE_CURRENT_BINARY_DIR}/src)
 include_directories(src)
 
@@ -815,8 +815,6 @@ add_subdirectory(src/yb/docdb)
 add_subdirectory(src/yb/yql)
 add_subdirectory(src/yb/cdc)
 
-include("${YB_SRC_ROOT}/ent/CMakeLists.txt")
-
 # Note "yb-server", without the "t" -- this is not a typo. "yb-server" is the unified LTO executable
 # that contains the functionality of both yb-master and yb-tserver, and yb-master/yb-tserver are
 # symlinks to it.  It decides to act as yb-master or yb-tserver based on its argv[0].

build-support/jenkins/build.sh

@@ -551,8 +551,8 @@ if [[ ${YB_SKIP_CREATING_RELEASE_PACKAGE:-} != "1" &&
 
   # Upload the package.
   if ! is_jenkins_phabricator_build; then
-    # shellcheck source=ent/build-support/upload_package.sh
-    . "${YB_SRC_ROOT}/ent/build-support/upload_package.sh"
+    # shellcheck source=build-support/upload_package.sh
+    . "${YB_SRC_ROOT}/build-support/upload_package.sh"
     if ! "${package_uploaded}" && ! "${package_upload_skipped}"; then
       FAILURES+=$'Package upload failed\n'
       EXIT_STATUS=1

python/yb/dep_graph_common.py

@@ -816,10 +816,6 @@ def _add_proto_generation_deps(self) -> None:
                 proto_rel_path = node.path_rel_to_src_root()
                 if proto_rel_path:
                     proto_rel_path = proto_rel_path[:-6]
-                    if proto_rel_path.startswith('ent/'):
-                        # Remove the 'ent/' prefix because there is no separate 'ent/' prefix
-                        # in the build directory.
-                        proto_rel_path = proto_rel_path[4:]
                     if proto_rel_path in proto_node_by_rel_path:
                         raise RuntimeError(
                             "Multiple .proto nodes found that share the same "

python/yb/gen_pch.py

@@ -215,10 +215,7 @@ def lib_for_path(self, path: str, **kwargs) -> typing.Union[None, str]:
             return path
 
         while len(path) != 0:
-            if path.startswith('ent/'):
-                path = path[4:]
-            else:
-                path = os.path.dirname(path)
+            path = os.path.dirname(path)
             if path in self.libs:
                 return path
         return None

python/yb/yb_dist_tests.py

@@ -312,7 +312,6 @@ def set_global_conf_from_dict(global_conf_dict: Dict[str, str]) -> GlobalTestCon
 
 ARCHIVED_PATHS_IN_BUILD_DIR = [
     'bin',
-    'ent',
     'lib',
     'postgres',
     'share',
@@ -350,18 +349,13 @@ def set_global_conf_from_dict(global_conf_dict: Dict[str, str]) -> GlobalTestCon
 
 def find_rel_java_paths_to_archive(yb_src_root: str) -> List[str]:
     paths = []
-    for ent in [False, True]:
-        path_components = []
-        if ent:
-            path_components.append('ent')
-        path_components.append('java')
-        java_dir_path = os.path.join(yb_src_root, *path_components)
-        paths.append(os.path.join(java_dir_path, 'pom.xml'))
-        for submodule_dir_path in glob.glob(os.path.join(java_dir_path, '*')):
-            for name in ['pom.xml', 'src']:
-                paths.append(os.path.join(submodule_dir_path, name))
-            for classes_dir_name in ['classes', 'test-classes']:
-                paths.append(os.path.join(submodule_dir_path, 'target', classes_dir_name))
+    java_dir_path = os.path.join(yb_src_root, 'java')
+    paths.append(os.path.join(java_dir_path, 'pom.xml'))
+    for submodule_dir_path in glob.glob(os.path.join(java_dir_path, '*')):
+        for name in ['pom.xml', 'src']:
+            paths.append(os.path.join(submodule_dir_path, name))
+        for classes_dir_name in ['classes', 'test-classes']:
+            paths.append(os.path.join(submodule_dir_path, 'target', classes_dir_name))
     return [os.path.relpath(p, yb_src_root) for p in paths]