public void Send(ElectionMessage.MasterIsResigningOk message, IPEndPoint endPoint)
{
Ensure.NotNull(message, nameof(message));
Ensure.NotNull(endPoint, nameof(endPoint));
_client.Post(endPoint.ToHttpUrl(EndpointExtensions.HTTP_SCHEMA, "/elections/masterisresigningok"),
Codec.Json.To(new ElectionMessageDto.MasterIsResigningOkDto(message)),
Codec.Json.ContentType,
r => {
/*ignore*/
},
e => {
/*Log.ErrorException(e, "Error occured while writing request (elections/masterisresigningok)")*/
});
}
public void Handle(ElectionMessage.MasterIsResigningOk message)
{
Log.Debug(
"ELECTIONS: MASTER IS RESIGNING OK FROM [{serverInternalHttp},{serverId:B}] M=[{masterInternalHttp},{masterId:B}]).",
message.ServerInternalHttp,
message.ServerId,
message.MasterInternalHttp,
message.MasterId);
if (_masterIsResigningOkReceived.Add(message.ServerId) &&
_masterIsResigningOkReceived.Count == _clusterSize / 2 + 1)
{
Log.Debug(
"ELECTIONS: MAJORITY OF ACCEPTANCE OF RESIGNATION OF MASTER [{masterInternalHttp},{masterId:B}]. NOW INITIATING MASTER RESIGNATION.",
message.MasterInternalHttp, message.MasterId);
_publisher.Publish(new SystemMessage.InitiateMasterResignation());
}
}
public void Handle(ClientMessage.ResignNode message)
{
if (_master != null && _nodeInfo.InstanceId == _master)
{
_resigningMasterInstanceId = _master;
var masterIsResigningMessageOk = new ElectionMessage.MasterIsResigningOk(
_nodeInfo.InstanceId,
_nodeInfo.InternalHttp,
_nodeInfo.InstanceId,
_nodeInfo.InternalHttp);
_masterIsResigningOkReceived.Clear();
Handle(masterIsResigningMessageOk);
SendToAllExceptMe(new ElectionMessage.MasterIsResigning(
_nodeInfo.InstanceId, _nodeInfo.InternalHttp));
}
else
{
Log.Info("ELECTIONS: ONLY MASTER RESIGNATION IS SUPPORTED AT THE MOMENT. IGNORING RESIGNATION.");
}
}
public void Handle(ElectionMessage.MasterIsResigning message)
{
if (_nodeInfo.IsReadOnlyReplica)
{
Log.Debug(
"ELECTIONS: THIS NODE IS A READ ONLY REPLICA. IT IS NOT ALLOWED TO VOTE AND THEREFORE NOT ALLOWED TO ACKNOWLEDGE MASTER RESIGNATION.");
return;
}
Log.Debug("ELECTIONS: MASTER IS RESIGNING [{masterInternalHttp}, {masterId:B}].",
message.MasterInternalHttp, message.MasterId);
var masterIsResigningMessageOk = new ElectionMessage.MasterIsResigningOk(
message.MasterId,
message.MasterInternalHttp,
_nodeInfo.InstanceId,
_nodeInfo.InternalHttp);
_resigningMasterInstanceId = message.MasterId;
_publisher.Publish(new HttpMessage.SendOverHttp(message.MasterInternalHttp, masterIsResigningMessageOk,
_timeProvider.LocalTime.Add(LeaderElectionProgressTimeout)));
}
