Example #1
0
File: mongo.go Project: OSBI/juju
// SelectPeerAddress returns the address to use as the mongo replica set peer
// address by selecting it from the given addresses. If no addresses are
// available an empty string is returned.
func SelectPeerAddress(addrs []network.Address) string {
	logger.Debugf("selecting mongo peer address from %+v", addrs)
	// ScopeMachineLocal addresses are OK if we can't pick by space, also the
	// second bool return is ignored intentionally.
	addr, _ := network.SelectControllerAddress(addrs, true)
	return addr.Value
}
Example #2
0
File: address.go Project: OSBI/juju
// controllerAddresses returns the list of internal addresses of the state
// server machines.
func (st *State) controllerAddresses() ([]string, error) {
	ssState := st
	model, err := st.ControllerModel()
	if err != nil {
		return nil, errors.Trace(err)
	}
	if st.ModelTag() != model.ModelTag() {
		// We are not using the controller model, so get one.
		logger.Debugf("getting a controller state connection, current env: %s", st.ModelTag())
		ssState, err = st.ForModel(model.ModelTag())
		if err != nil {
			return nil, errors.Trace(err)
		}
		defer ssState.Close()
		logger.Debugf("ssState env: %s", ssState.ModelTag())
	}

	type addressMachine struct {
		Addresses []address
	}
	var allAddresses []addressMachine
	// TODO(rog) 2013/10/14 index machines on jobs.
	machines, closer := ssState.getCollection(machinesC)
	defer closer()
	err = machines.Find(bson.D{{"jobs", JobManageModel}}).All(&allAddresses)
	if err != nil {
		return nil, err
	}
	if len(allAddresses) == 0 {
		return nil, errors.New("no controller machines found")
	}
	apiAddrs := make([]string, 0, len(allAddresses))
	for _, addrs := range allAddresses {
		naddrs := networkAddresses(addrs.Addresses)
		addr, ok := network.SelectControllerAddress(naddrs, false)
		if ok {
			apiAddrs = append(apiAddrs, addr.Value)
		}
	}
	if len(apiAddrs) == 0 {
		return nil, errors.New("no controller machines with addresses found")
	}
	return apiAddrs, nil
}