func commonConnect(
apiOpen api.OpenFunc,
apiInfo *api.Info,
accountDetails *jujuclient.AccountDetails,
modelUUID string,
dialOpts api.DialOpts,
) (api.Connection, error) {
if accountDetails != nil {
// We only set the tag if either a password or
// macaroon is found in the accounts.yaml file.
// If neither is found, we'll use external
// macaroon authentication which requires that
// no tag be specified.
userTag := names.NewUserTag(accountDetails.User)
if accountDetails.Password != "" {
// If a password is available, we always use
// that.
//
// TODO(axw) make it invalid to store both
// password and macaroon in accounts.yaml?
apiInfo.Tag = userTag
apiInfo.Password = accountDetails.Password
} else if accountDetails.Macaroon != "" {
var m macaroon.Macaroon
if err := json.Unmarshal([]byte(accountDetails.Macaroon), &m); err != nil {
return nil, errors.Trace(err)
}
apiInfo.Tag = userTag
apiInfo.Macaroons = []macaroon.Slice{{&m}}
}
}
if modelUUID != "" {
apiInfo.ModelTag = names.NewModelTag(modelUUID)
}
st, err := apiOpen(apiInfo, dialOpts)
return st, errors.Trace(err)
}
