При подключении к набору реплик MongoDB я могу читать данные из вторичных источников, но потом при записи с использованием того же соединения появляется следующая ошибка:Pymongo Read Preferences - ServerSelectionTimeoutError: нет первичного доступа для записи
pymongo.errors.ServerSelectionTimeoutError: No primary available for writes
Python 3.4.3 PyMongo 3.2.2
Мое соединение:
var_host = 'XXX.XXX.XXX.XXX' # Public IP
var_port = 27017
var_username = 'username'
var_password = 'password'
mongo_uri = 'mongodb://%s:%[email protected]%s:%s' % (username, password, host, port)
client_db = MongoClient(mongo_uri,
replicaSet='rs0',
readPreference='secondaryPreferred')
I MPORTANT: При удалении полей «replicaSet» и «ReadPrefence» соединение работает.
В сервере:
rs0:PRIMARY> rs.status()
{"set" : "rs0",
"date" : ISODate("2016-11-23T13:09:55.699Z"),
"myState" : 1,
"term" : NumberLong(4),
"heartbeatIntervalMillis" : NumberLong(2000),
"members" : [
{
"_id" : 0,
"name" : "mongodb0:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 64491,
"optime" : {
"ts" : Timestamp(1479906595, 21),
"t" : NumberLong(4)
},
"optimeDate" : ISODate("2016-11-23T13:09:55Z"),
"electionTime" : Timestamp(1479844637, 1),
"electionDate" : ISODate("2016-11-22T19:57:17Z"),
"configVersion" : 424888,
"self" : true
},
{
"_id" : 1,
"name" : "mongodb2:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 61631,
"optime" : {
"ts" : Timestamp(1479906593, 31),
"t" : NumberLong(4)
},
"optimeDate" : ISODate("2016-11-23T13:09:53Z"),
"lastHeartbeat" : ISODate("2016-11-23T13:09:53.776Z"),
"lastHeartbeatRecv" : ISODate("2016-11-23T13:09:53.758Z"),
"pingMs" : NumberLong(0),
"syncingTo" : "XXXXXXXX:27017",
"configVersion" : 424888
},
{
"_id" : 2,
"name" : "mongodb3:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 61264,
"optime" : {
"ts" : Timestamp(1479906593, 31),
"t" : NumberLong(4)
},
"optimeDate" : ISODate("2016-11-23T13:09:53Z"),
"lastHeartbeat" : ISODate("2016-11-23T13:09:53.776Z"),
"lastHeartbeatRecv" : ISODate("2016-11-23T13:09:55.493Z"),
"pingMs" : NumberLong(0),
"syncingTo" : "XXX:27017",
"configVersion" : 424888
}
],
"ok" : 1}
db.isMaster()
mongodb0
rs0:PRIMARY> db.isMaster()
{
"hosts" : [
"mongodb0:27017"
],
"passives" : [
"10.150.151.141:27017",
"10.150.151.155:27017"
],
"setName" : "rs0",
"setVersion" : 424888,
"ismaster" : true,
"secondary" : false,
"primary" : "mongodb0:27017",
"me" : "mongodb0:27017",
"electionId" : ObjectId("7fffffff0000000000000004"),
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"maxWriteBatchSize" : 1000,
"localTime" : ISODate("2016-11-23T15:12:37.988Z"),
"maxWireVersion" : 4,
"minWireVersion" : 0,
"ok" : 1
}
mongodb1
rs0:SECONDARY> db.isMaster()
{
"hosts" : [
"mongodb0:27017"
],
"passives" : [
"10.150.151.141:27017",
"10.150.151.155:27017"
],
"setName" : "rs0",
"setVersion" : 424888,
"ismaster" : false,
"secondary" : true,
"primary" : "mongodb0:27017",
"passive" : true,
"me" : "10.150.151.141:27017",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"maxWriteBatchSize" : 1000,
"localTime" : ISODate("2016-11-23T15:24:32.134Z"),
"maxWireVersion" : 4,
"minWireVersion" : 0,
"ok" : 1
mongodb2
rs0:SECONDARY> db.isMaster()
{
"hosts" : [
"mongodb0:27017"
],
"passives" : [
"10.150.151.141:27017",
"10.150.151.155:27017"
],
"setName" : "rs0",
"setVersion" : 424888,
"ismaster" : false,
"secondary" : true,
"primary" : "mongodb0:27017",
"passive" : true,
"me" : "10.150.151.155:27017",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"maxWriteBatchSize" : 1000,
"localTime" : ISODate("2016-11-23T15:21:54.971Z"),
"maxWireVersion" : 4,
"minWireVersion" : 0,
"ok" : 1
}
Можем ли мы увидеть ваш 'mongo_uri', а также вывод' db.isMaster() 'из оболочки, связанной с каждым из ваших элементов набора реплик? –
@ A.JesseJiryuDavis проверьте выше, отредактирован! Tks – Nadav