// PrivateAddress returns the private address for each given unit, if set.
func (u *UniterAPIV3) PrivateAddress(args params.Entities) (params.StringResults, error) {
result := params.StringResults{
Results: make([]params.StringResult, len(args.Entities)),
}
canAccess, err := u.accessUnit()
if err != nil {
return params.StringResults{}, err
}
for i, entity := range args.Entities {
tag, err := names.ParseUnitTag(entity.Tag)
if err != nil {
result.Results[i].Error = common.ServerError(common.ErrPerm)
continue
}
err = common.ErrPerm
if canAccess(tag) {
var unit *state.Unit
unit, err = u.getUnit(tag)
if err == nil {
var address network.Address
address, err = unit.PrivateAddress()
if err == nil {
result.Results[i].Result = address.Value
} else if network.IsNoAddressError(err) {
err = common.NoAddressSetError(tag, "private")
}
}
}
result.Results[i].Error = common.ServerError(err)
}
return result, nil
}
// runMachineUpdate connects via ssh to the machine and runs the update script.
func runMachineUpdate(machine *state.Machine, sshArg string) error {
addr, err := machine.PublicAddress()
if err != nil {
if network.IsNoAddressError(err) {
return errors.Annotatef(err, "no appropriate public address found")
}
return errors.Trace(err)
}
return runViaSSH(addr.Value, sshArg)
}
func (s *NetworkSuite) TestNoAddressError(c *gc.C) {
err := network.NoAddressError("fake")
c.Assert(err, gc.ErrorMatches, "no fake address")
c.Assert(network.IsNoAddressError(err), jc.IsTrue)
c.Assert(network.IsNoAddressError(errors.New("address found")), jc.IsFalse)
}