Rename yield_leader with yield_leadship and its variants

src/Coordination/FourLetterCommand.cpp

@@ -172,8 +172,8 @@ void FourLetterCommandFactory::registerCommands(KeeperDispatcher & keeper_dispat
         FourLetterCommandPtr feature_flags_command = std::make_shared<FeatureFlagsCommand>(keeper_dispatcher);
         factory.registerCommand(feature_flags_command);
 
-        FourLetterCommandPtr yield_leader_command = std::make_shared<YieldLeaderCommand>(keeper_dispatcher);
-        factory.registerCommand(yield_leader_command);
+        FourLetterCommandPtr yield_leadership_command = std::make_shared<YieldLeadershipCommand>(keeper_dispatcher);
+        factory.registerCommand(yield_leadership_command);
 
         factory.initializeAllowList(keeper_dispatcher);
         factory.setInitialize(true);
@@ -582,9 +582,9 @@ String FeatureFlagsCommand::run()
     return ret.str();
 }
 
-String YieldLeaderCommand::run()
+String YieldLeadershipCommand::run()
 {
-    return keeper_dispatcher.yieldLeader() ? "Sent yield leadership request to leader." : "Failed to send yield leadership request to leader.";
+    return keeper_dispatcher.yieldLeadership() ? "Sent yield leadership request to leader." : "Failed to send yield leadership request to leader.";
 }
 
 }

src/Coordination/FourLetterCommand.h

@@ -415,17 +415,17 @@ struct FeatureFlagsCommand : public IFourLetterCommand
     ~FeatureFlagsCommand() override = default;
 };
 
-/// Yield to be leader.
-struct YieldLeaderCommand : public IFourLetterCommand
+/// Yield leadership and become follower.
+struct YieldLeadershipCommand : public IFourLetterCommand
 {
-    explicit YieldLeaderCommand(KeeperDispatcher & keeper_dispatcher_)
+    explicit YieldLeadershipCommand(KeeperDispatcher & keeper_dispatcher_)
         : IFourLetterCommand(keeper_dispatcher_)
     {
     }
 
     String name() override { return "ydld"; }
     String run() override;
-    ~YieldLeaderCommand() override = default;
+    ~YieldLeadershipCommand() override = default;
 };
 
 }

src/Coordination/KeeperDispatcher.h

@@ -237,10 +237,10 @@ public:
         return server->requestLeader();
     }
 
-    /// Yield to be leader.
-    bool yieldLeader()
+    /// Yield leadership and become follower.
+    bool yieldLeadership()
     {
-        return server->yieldLeader();
+        return server->yieldLeadership();
     }
 
     void recalculateStorageStats()

src/Coordination/KeeperServer.cpp

@@ -1087,7 +1087,7 @@ bool KeeperServer::requestLeader()
     return isLeader() || raft_instance->request_leadership();
 }
 
-bool KeeperServer::yieldLeader()
+bool KeeperServer::yieldLeadership()
 {
     return isLeader() && raft_instance->yield_leadership();
 }

src/Coordination/KeeperServer.h

@@ -141,7 +141,7 @@ public:
 
     bool requestLeader();
 
-    bool yieldLeader();
+    bool yieldLeadership();
 
     void recalculateStorageStats();
 };