in internal/mode/advanced/elastic/index.go [554:564]
func (c *Client) CreateAlias(params *CreateAliasParams) error {
action := elastic.NewAliasAddAction(params.Alias).Index(params.Index).IsWriteIndex(params.IsWriteIndex)
if err := action.Validate(); err != nil {
return err
}
_, err := c.Client.Alias().Action(action).Do(context.TODO())
return err
}