func updateAliases(client *elasticsearch.Client, addActions, removeActions []Action) error {
actions := []map[string]Action{}
for _, action := range addActions {
actions = append(actions, map[string]Action{
"add": action,
})
}
for _, action := range removeActions {
actions = append(actions, map[string]Action{
"remove": action,
})
}
body, err := json.Marshal(map[string]interface{}{"actions": actions})
if err != nil {
return err
}
req := elasticsearch.NewRequest("POST", "_aliases", bytes.NewReader(body))
res, err := client.Do(req)
if err != nil {
return err
}
if v, ok := res["error"].(string); ok && len(v) > 0 {
return errors.New(v)
}
return nil
}
func indexNamesAndAliasedIndexByAliasName(client *elasticsearch.Client, aliasName string) (names []string, aliased map[string]bool) {
req := elasticsearch.NewRequest("GET", "_aliases", nil)
res, err := client.Do(req)
if err != nil {
return
}
aliased = map[string]bool{}
for idxName, idx := range res {
if aliasNameFromIndexName(idxName) != aliasName {
continue
}
names = append(names, idxName)
if idx, ok := idx.(map[string]interface{}); ok {
if aliases, ok := idx["aliases"].(map[string]interface{}); ok {
for alias := range aliases {
if alias == aliasName {
aliased[idxName] = true
}
}
}
}
}
sort.Sort(sort.StringSlice(names))
return
}