/// <summary>
/// Create a alias for the given indices.
/// </summary>
public async Task <string> MergeIndicesAsync(params string[] indices)
{
if (indices.Length < 2)
{
throw new ArgumentException(
"At least two indices are needed to create a merged index");
}
string alias = Guid.NewGuid().ToString();
IEnumerable <AliasAddDescriptor> createDescriptors = indices
.Select(index => new AliasAddDescriptor()
.Alias(alias)
.Index(index));
BulkAliasDescriptor aliasDescriptor = new BulkAliasDescriptor();
foreach (AliasAddDescriptor aliasAddDescriptor in createDescriptors)
{
aliasDescriptor.Add(aliasAddDescriptor);
}
IBulkAliasResponse bulkAliasResponse = await Client.AliasAsync(aliasDescriptor);
if (!bulkAliasResponse.IsValid)
{
throw new InvalidOperationException(
$"Could not create alias for the indices \"{string.Join(",", indices)}\": {bulkAliasResponse.DebugInformation}",
bulkAliasResponse.OriginalException);
}
await Client.RefreshAsync(Indices.All);
return(alias);
}
public bool DeleteAlias(CatAliasesRecord alias)
{
IBulkAliasResponse aliasResponse = client.Alias(a => a.Remove(r => r.Index(alias.Index).Alias(alias.Alias)));
return(aliasResponse.Acknowledged);
}
