From a97052acf4e2e6a8005047493f5234786eaf122e Mon Sep 17 00:00:00 2001
From: Benjamin Wang <benjamin.ahrtr@gmail.com>
Date: Sat, 25 Nov 2023 15:59:58 +0000
Subject: [PATCH] remove unused method and functions

Signed-off-by: Benjamin Wang <benjamin.ahrtr@gmail.com>
---
 server/etcdserver/api/membership/cluster.go | 17 -----------------
 server/etcdserver/api/membership/storev2.go | 21 ---------------------
 2 files changed, 38 deletions(-)

diff --git a/server/etcdserver/api/membership/cluster.go b/server/etcdserver/api/membership/cluster.go
index ed035856f9d..f022d29c44e 100644
--- a/server/etcdserver/api/membership/cluster.go
+++ b/server/etcdserver/api/membership/cluster.go
@@ -823,23 +823,6 @@ func (c *RaftCluster) VotingMemberIDs() []types.ID {
 	return ids
 }
 
-// PushMembershipToStorage is overriding storage information about cluster's
-// members, such that they fully reflect internal RaftCluster's storage.
-func (c *RaftCluster) PushMembershipToStorage() {
-	if c.be != nil {
-		c.be.TrimMembershipFromBackend()
-		for _, m := range c.members {
-			c.be.MustSaveMemberToBackend(m)
-		}
-	}
-	if c.v2store != nil {
-		TrimMembershipFromV2Store(c.lg, c.v2store)
-		for _, m := range c.members {
-			mustSaveMemberToStore(c.lg, c.v2store, m)
-		}
-	}
-}
-
 // buildMembershipMetric sets the knownPeers metric based on the current
 // members of the cluster.
 func (c *RaftCluster) buildMembershipMetric() {
diff --git a/server/etcdserver/api/membership/storev2.go b/server/etcdserver/api/membership/storev2.go
index 956b2ee21e4..4a1e702aa58 100644
--- a/server/etcdserver/api/membership/storev2.go
+++ b/server/etcdserver/api/membership/storev2.go
@@ -56,27 +56,6 @@ func IsMetaStoreOnly(store v2store.Store) (bool, error) {
 	return true, nil
 }
 
-// TrimMembershipFromV2Store removes all information about members &
-// removed_members from the v2 store.
-func TrimMembershipFromV2Store(lg *zap.Logger, s v2store.Store) error {
-	members, removed := membersFromStore(lg, s)
-
-	for mID := range members {
-		_, err := s.Delete(MemberStoreKey(mID), true, true)
-		if err != nil {
-			return err
-		}
-	}
-	for mID := range removed {
-		_, err := s.Delete(RemovedMemberStoreKey(mID), true, true)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
 func verifyNoMembersInStore(lg *zap.Logger, s v2store.Store) {
 	members, removed := membersFromStore(lg, s)
 	if len(members) != 0 || len(removed) != 0 {