SERVER-41499 Track number of elections called for each reason in serverStatus

1 files changed, 51 insertions, 0 deletions

diff --git a/src/mongo/db/repl/election_reason_counter.idl b/src/mongo/db/repl/election_reason_counter.idl
new file mode 100644
index 00000000000..3cc0059eb13
--- /dev/null
+++ b/src/mongo/db/repl/election_reason_counter.idl
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+# Copyright (C) 2019-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.
+
+# This IDL file describes the BSON format for ElectionReasonCounterBase and
+# handles the serialization to and deserialization from its BSON
+# representations for that class.
+
+global:
+    cpp_namespace: "mongo::repl"
+
+imports:
+    - "mongo/idl/basic_types.idl"
+
+structs:
+    ElectionReasonCounterBase:
+        description: "Stores the total number of elections a node has called for a given reason and
+                      the number of those elections that were successful"
+        strict: true
+        fields:
+            called:
+                description: "Number of elections this node has called for the given reason"
+                type: long
+                default: 0
+            successful:
+                description: "Number of successful elections for the given reason"
+                type: long
+                default: 0