func ReadConfig(stateStore fi.StateStore) (*Cluster, []*InstanceGroup, error) {
cluster := &Cluster{}
err := stateStore.ReadConfig("config", cluster)
if err != nil {
return nil, nil, fmt.Errorf("error reading cluster configuration: %v", err)
}
var instanceGroups []*InstanceGroup
keys, err := stateStore.ListChildren("instancegroup")
if err != nil {
return nil, nil, fmt.Errorf("error listing instancegroups in state store: %v", err)
}
for _, key := range keys {
group := &InstanceGroup{}
err = stateStore.ReadConfig("instancegroup/"+key, group)
if err != nil {
return nil, nil, fmt.Errorf("error reading instancegroup configuration %q: %v", key, err)
}
instanceGroups = append(instanceGroups, group)
}
return cluster, instanceGroups, nil
}
