funky-eyes commented on code in PR #6326:
URL: https://github.com/apache/incubator-seata/pull/6326#discussion_r1512020472
##########
server/src/main/java/org/apache/seata/server/cluster/raft/RaftStateMachine.java:
##########
@@ -287,39 +327,98 @@ public void setRaftLeaderMetadata(RaftClusterMetadata
raftClusterMetadata) {
this.raftClusterMetadata = raftClusterMetadata;
}
- public RaftClusterMetadata createNewRaftClusterMetadata() {
- RaftClusterMetadata metadata = new
RaftClusterMetadata(this.currentTerm.get());
- Node leader = metadata.createNode(XID.getIpAddress(), XID.getPort(),
- Integer.parseInt(((Environment)
ObjectHolder.INSTANCE.getObject(OBJECT_KEY_SPRING_CONFIGURABLE_ENVIRONMENT))
- .getProperty("server.port", String.valueOf(8088))),
- group, Collections.emptyMap());
- leader.setRole(ClusterRole.LEADER);
- metadata.setLeader(leader);
- Configuration configuration =
RouteTable.getInstance().getConfiguration(this.group);
- List<Node> learners = configuration.getLearners().stream().map(learner
-> {
- int nettyPort = learner.getPort() - SERVICE_OFFSET_SPRING_BOOT;
- Node learnerNode = metadata.createNode(learner.getIp(), nettyPort,
nettyPort - SERVICE_OFFSET_SPRING_BOOT,
- this.group, Collections.emptyMap());
- learnerNode.setRole(ClusterRole.LEARNER);
- return learnerNode;
- }).collect(Collectors.toList());
- metadata.setLearner(learners);
- List<Node> followers = configuration.getPeers().stream().map(follower
-> {
- int nettyPort = follower.getPort() - SERVICE_OFFSET_SPRING_BOOT;
- Node followerNode = metadata.createNode(follower.getIp(),
nettyPort, nettyPort - SERVICE_OFFSET_SPRING_BOOT,
- this.group, Collections.emptyMap());
- followerNode.setRole(ClusterRole.FOLLOWER);
- return followerNode;
- }).collect(Collectors.toList());
- metadata.setFollowers(followers);
- return metadata;
+ public RaftClusterMetadata changeOrInitRaftClusterMetadata() {
+ raftClusterMetadata.setTerm(this.currentTerm.get());
+ Node leaderNode = raftClusterMetadata.getLeader();
+ RaftServer raftServer = RaftServerManager.getRaftServer(group);
+ PeerId cureentPeerId = raftServer.getServerId();
+ // After the re-election, the leader information may be different from
the latest leader, and you need to replace the leader information
+ if (leaderNode == null || (leaderNode.getInternal() != null
+ && !cureentPeerId.equals(new
PeerId(leaderNode.getInternal().getHost(),
leaderNode.getInternal().getPort())))) {
+ Node leader =
+ raftClusterMetadata.createNode(XID.getIpAddress(),
XID.getPort(), raftServer.getServerId().getPort(),
+ Integer.parseInt(
+
((Environment)ObjectHolder.INSTANCE.getObject(OBJECT_KEY_SPRING_CONFIGURABLE_ENVIRONMENT))
+ .getProperty("server.port", String.valueOf(8088))),
+ group, Collections.emptyMap());
+ leader.setRole(ClusterRole.LEADER);
+ raftClusterMetadata.setLeader(leader);
+ }
+ return raftClusterMetadata;
}
public void refreshClusterMetadata(RaftBaseMsg syncMsg) {
+ // Directly receive messages from the leader and update the cluster
metadata
raftClusterMetadata =
((RaftClusterMetadataMsg)syncMsg).getRaftClusterMetadata();
((ApplicationEventPublisher)ObjectHolder.INSTANCE.getObject(OBJECT_KEY_SPRING_APPLICATION_CONTEXT))
.publishEvent(new ClusterChangeEvent(this, group,
raftClusterMetadata.getTerm(), this.isLeader()));
LOGGER.info("groupId: {}, refresh cluster metadata: {}", group,
raftClusterMetadata);
}
+ private void syncCurrentNodeInfo(PeerId leaderPeerId) {
+ if (init.compareAndSet(false, true)) {
+ try {
+ RaftServer raftServer = RaftServerManager.getRaftServer(group);
+ PeerId cureentPeerId = raftServer.getServerId();
+ Node node = raftClusterMetadata.createNode(XID.getIpAddress(),
XID.getPort(), cureentPeerId.getPort(),
+ Integer.parseInt(
+
((Environment)ObjectHolder.INSTANCE.getObject(OBJECT_KEY_SPRING_CONFIGURABLE_ENVIRONMENT))
+ .getProperty("server.port", String.valueOf(8088))),
Review Comment:
> Why 8088 instead of 7091 (i.e., default console port).
You're right. I made a mistake on this one.
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