Elasticsearch without slow logs

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Metadata

Id: e979fcbc-df6c-422d-9458-c33d65e71c45

Cloud Provider: AWS

Platform: Terraform

Severity: Low

Category: Observability

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Description

This check ensures that Amazon Elasticsearch domains have slow logs enabled by verifying the log_publishing_options block includes log_type = "INDEX_SLOW_LOGS" and enabled = true. Without slow logs, it is difficult to detect and diagnose performance issues such as slow queries or inefficient indexing, which could lead to system outages or degraded search performance. Enabling slow logs provides critical visibility into the behavior of the Elasticsearch cluster, allowing for faster investigation and mitigation of operational problems.

resource "aws_elasticsearch_domain" "example" {
  log_publishing_options {
    cloudwatch_log_group_arn = aws_cloudwatch_log_group.example.arn
    log_type                 = "INDEX_SLOW_LOGS"
    enabled                  = true
  }
}

Compliant Code Examples

resource "aws_elasticsearch_domain" "negative1" {

  log_publishing_options {
    cloudwatch_log_group_arn = aws_cloudwatch_log_group.example.arn
    log_type                 = "INDEX_SLOW_LOGS"
    enabled                  = true //for default its true
  }
}

Non-Compliant Code Examples

resource "aws_elasticsearch_domain" "positive1" {
  log_publishing_options {
    cloudwatch_log_group_arn = aws_cloudwatch_log_group.example.arn
    log_type                 = "ES_APPLICATION_LOGS"
    enabled                  = true
  }
}