public bool MessageTimingIsValid(SqsMessage message)
{
// Ensure that we have a gap between messages to prevent a possible billing issue
if (message.timeCreated > DateTime.Now.AddSeconds(-MinimumQueueDelaySeconds))
{
return(false);
}
return(true);
}
public async Task ReindexAlias(ReindexRequest request, ILambdaContext context)
{
try
{
var alias = request.alias;
var indexName = request.fromIndex
?? (await _elasticSearchClient.GetIndicesPointingToAliasAsync(alias))?.First();
this.Log($"Current Index name for alias {alias}: {indexName}");
var indexConfig = request.config ?? await File.ReadAllTextAsync(_indexFilePath);
var newIndexName = alias + "_" + DateTime.Now.ToString("yyyyMMddhhmm");
_elasticSearchClient.LowLevel.Indices.Create <BytesResponse>(newIndexName, indexConfig);
this.Log($"Created new index with name {newIndexName}");
var response = _elasticSearchClient.ReindexOnServer(r => r
.Source(s => s.Index(Indices.Index(indexName)))
.Destination(d => d.Index(newIndexName))
.WaitForCompletion(false));
this.Log($"{response.DebugInformation}");
this.Log($"Re-indexed task ID {response.Task.FullyQualifiedId}");
var sqsMessage = new SqsMessage
{
alias = alias,
newIndex = newIndexName,
taskId = response.Task.FullyQualifiedId,
deleteAfterReindex = request.deleteAfterReindex,
timeCreated = DateTime.Now,
attempts = 1
};
var sqsResponse = await SendSqsMessageToQueue(JsonConvert.SerializeObject(sqsMessage));
this.Log($"Sent task ID to sqs queue messageId: {sqsResponse?.MessageId}");
}
catch (Exception ex)
{
// We must handle exceptions to prevent AWS retrying on error
this.Log($"Exception caught in ReindexAlias {ex.Message}, {ex.StackTrace}, {ex.Source}");
}
}