func (c *mongoConn) IsMaster() (bool, error) {
hostPort, err := replicaset.MasterHostPort(c.session)
if err != nil {
logger.Errorf("replicaset.MasterHostPort returned error: %v", err)
return false, err
}
logger.Errorf("replicaset.MasterHostPort(%s) returned %s", c.localHostPort, hostPort)
logger.Errorf("-> %s IsMaster: %v", c.localHostPort, hostPort == c.localHostPort)
return hostPort == c.localHostPort, nil
}
// IsMaster returns a boolean that represents whether the given
// machine's peer address is the primary mongo host for the replicaset
func IsMaster(session *mgo.Session, obj WithAddresses) (bool, error) {
addrs := obj.Addresses()
masterHostPort, err := replicaset.MasterHostPort(session)
// If the replica set has not been configured, then we
// can have only one master and the caller must
// be that master.
if err == replicaset.ErrMasterNotConfigured {
return true, nil
}
if err != nil {
return false, err
}
masterAddr, _, err := net.SplitHostPort(masterHostPort)
if err != nil {
return false, err
}
machinePeerAddr := SelectPeerAddress(addrs)
return machinePeerAddr == masterAddr, nil
}