コード例 #1
0
StatusWith<int> validateConfigForReconfig(ReplicationCoordinatorExternalState* externalState,
                                          const ReplSetConfig& oldConfig,
                                          const ReplSetConfig& newConfig,
                                          ServiceContext* ctx,
                                          bool force) {
    Status status = newConfig.validate();
    if (!status.isOK()) {
        return StatusWith<int>(status);
    }

    status = newConfig.checkIfWriteConcernCanBeSatisfied(newConfig.getDefaultWriteConcern());
    if (!status.isOK()) {
        return status.withContext(
            "Found invalid default write concern in 'getLastErrorDefaults' field");
    }

    status = validateOldAndNewConfigsCompatible(oldConfig, newConfig);
    if (!status.isOK()) {
        return StatusWith<int>(status);
    }

    status = validateArbiterPriorities(newConfig);
    if (!status.isOK()) {
        return StatusWith<int>(status);
    }

    if (force) {
        return findSelfInConfig(externalState, newConfig, ctx);
    }

    return findSelfInConfigIfElectable(externalState, newConfig, ctx);
}
コード例 #2
0
StatusWith<int> validateConfigForInitiate(ReplicationCoordinatorExternalState* externalState,
                                          const ReplSetConfig& newConfig,
                                          ServiceContext* ctx) {
    Status status = newConfig.validate();
    if (!status.isOK()) {
        return StatusWith<int>(status);
    }

    status = newConfig.checkIfWriteConcernCanBeSatisfied(newConfig.getDefaultWriteConcern());
    if (!status.isOK()) {
        return status.withContext(
            "Found invalid default write concern in 'getLastErrorDefaults' field");
    }

    status = validateArbiterPriorities(newConfig);
    if (!status.isOK()) {
        return StatusWith<int>(status);
    }

    if (newConfig.getConfigVersion() != 1) {
        return StatusWith<int>(ErrorCodes::NewReplicaSetConfigurationIncompatible,
                               str::stream() << "Configuration used to initiate a replica set must "
                                             << " have version 1, but found "
                                             << newConfig.getConfigVersion());
    }
    return findSelfInConfigIfElectable(externalState, newConfig, ctx);
}