SERVER-52130 Create feature flag for PM-1858

3 files changed, 55 insertions, 0 deletions

diff --git a/src/mongo/db/s/SConscript b/src/mongo/db/s/SConscript
index d34b19aa147..1ce766d5a35 100644
--- a/src/mongo/db/s/SConscript
+++ b/src/mongo/db/s/SConscript
@@ -339,6 +339,18 @@ env.Library(
 )
 
 env.Library(
+    target='analyze_shard_key',
+    source=[
+        'analyze_shard_key_feature_flag.idl',
+    ],
+    LIBDEPS_PRIVATE=[
+        '$BUILD_DIR/mongo/base',
+        '$BUILD_DIR/mongo/idl/feature_flag',
+        '$BUILD_DIR/mongo/idl/idl_parser',
+    ],
+)
+
+env.Library(
     target='sharding_commands_d',
     source=[
         'add_shard_cmd.cpp',
@@ -497,6 +509,7 @@ env.Library(
         '$BUILD_DIR/mongo/s/commands/sharded_cluster_sharding_commands',
         '$BUILD_DIR/mongo/s/sharding_initialization',
         '$BUILD_DIR/mongo/s/sharding_router_api',
+        'analyze_shard_key',
         'forwardable_operation_metadata',
         'sharding_logging',
         'sharding_runtime_d',
diff --git a/src/mongo/db/s/analyze_shard_key_feature_flag.idl b/src/mongo/db/s/analyze_shard_key_feature_flag.idl
new file mode 100644
index 00000000000..fde43803843
--- /dev/null
+++ b/src/mongo/db/s/analyze_shard_key_feature_flag.idl
@@ -0,0 +1,41 @@
+# Copyright (C) 2022-present MongoDB, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the Server Side Public License, version 1,
+# as published by MongoDB, Inc.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# Server Side Public License for more details.
+#
+# You should have received a copy of the Server Side Public License
+# along with this program. If not, see
+# <http://www.mongodb.com/licensing/server-side-public-license>.
+#
+# As a special exception, the copyright holders give permission to link the
+# code of portions of this program with the OpenSSL library under certain
+# conditions as described in each individual source file and distribute
+# linked combinations including the program with the OpenSSL library. You
+# must comply with the Server Side Public License in all respects for
+# all of the code used other than as permitted herein. If you modify file(s)
+# with this exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do so,
+# delete this exception statement from your version. If you delete this
+# exception statement from all source files in the program, then also delete
+# it in the license file.
+#
+
+# Feature flag for the 'analyzeShardKey' command.
+
+global:
+    cpp_namespace: "mongo::analyze_shard_key"
+
+imports:
+    - "mongo/idl/basic_types.idl"
+
+feature_flags:
+    featureFlagAnalyzeShardKey:
+        description: When enabled, allows users to calculate metrics for evaluating a shard key.
+        cpp_varname: gFeatureFlagAnalyzeShardKey
+        default: false
diff --git a/src/mongo/s/SConscript b/src/mongo/s/SConscript
index 190b6df6c7d..9fc29ecd0c2 100644
--- a/src/mongo/s/SConscript
+++ b/src/mongo/s/SConscript
@@ -207,6 +207,7 @@ env.Library(
         '$BUILD_DIR/mongo/db/index_commands_idl',
         '$BUILD_DIR/mongo/db/query/query_request',
         '$BUILD_DIR/mongo/db/repl/optime',
+        '$BUILD_DIR/mongo/db/s/analyze_shard_key',
         '$BUILD_DIR/mongo/db/server_options',
     ],
     LIBDEPS_PRIVATE=[