public async Task <IElasticLowLevelClient> BuildAsync(ElasticClientConfiguration config, IEnumerable <string> indices)
{
var settings = new ConnectionConfiguration(new Uri(config.Address));
var client = new ElasticLowLevelClient(settings);
var errors = new List <Exception>();
foreach (var index in indices)
{
var indexExists = await client.IndicesExistsAsync <string>(index).ConfigureAwait(false);
if (indexExists.HttpStatusCode == null || indexExists.HttpStatusCode.Value == 404)
{
var postData = new
{
mappings = new
{
_default_ = new
{
properties = new
{
Timestamp = new
{
type = "date"
}
}
}
}
};
var response = await client.IndicesCreateAsync <VoidResponse>(index, postData).ConfigureAwait(false);
if (!response.Success)
{
errors.Add(new ElasticException(response));
}
}
}
if (errors.Count > 0)
{
throw new AggregateException(errors);
}
return(client);
}
private async Task CreateIndex(string correlationId, bool force)
{
var newIndex = GetCurrentIndex();
if (!force && _currentIndexName == newIndex)
{
return;
}
_currentIndexName = newIndex;
var response = await _client.IndicesExistsAsync <StringResponse>(_currentIndexName);
if (response.HttpStatusCode == 404)
{
var request = new
{
settings = new
{
number_of_shards = 1
},
mappings = new
{
log_message = new
{
properties = new
{
time = new { type = "date", index = true },
source = new { type = "keyword", index = true },
level = new { type = "keyword", index = true },
correlation_id = new { type = "text", index = true },
error = new
{
type = "object",
properties = new
{
type = new { type = "keyword", index = true },
category = new { type = "keyword", index = true },
status = new { type = "integer", index = false },
code = new { type = "keyword", index = true },
message = new { type = "text", index = false },
details = new { type = "object" },
correlation_id = new { type = "text", index = false },
cause = new { type = "text", index = false },
stack_trace = new { type = "text", index = false }
}
},
message = new { type = "text", index = _indexMessage }
}
}
}
};
var json = JsonConverter.ToJson(request);
try
{
response = await _client.IndicesCreateAsync <StringResponse>(_currentIndexName, PostData.String(json));
if (!response.Success)
{
throw new ConnectionException(correlationId, "CANNOT_CREATE_INDEX", response.Body);
}
}
catch (Exception ex)
{
if (!ex.Message.Contains("resource_already_exists"))
{
throw;
}
}
}
else if (!response.Success)
{
throw new ConnectionException(correlationId, "CONNECTION_FAILED", response.Body);
}
}
