// startNode installs and boots a node.
func (environ *maasEnviron) startNode(node gomaasapi.MAASObject, series string, userdata []byte) error {
userDataParam := base64.StdEncoding.EncodeToString(userdata)
params := url.Values{
"distro_series": {series},
"user_data": {userDataParam},
}
// Initialize err to a non-nil value as a sentinel for the following
// loop.
err := fmt.Errorf("(no error)")
for a := shortAttempt.Start(); a.Next() && err != nil; {
_, err = node.CallPost("start", params)
}
return err
}
