Table: aws_ec2_subnets

This table shows data for Amazon Elastic Compute Cloud (EC2) Subnets.

https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Subnet.html (opens in a new tab) The 'request_account_id' and 'request_region' columns are added to show from where the request was made.

The composite primary key for this table is (request_account_id, request_region, arn).

Columns

Name	Type
_cq_id	`uuid`
_cq_parent_id	`uuid`
request_account_id (PK)	`utf8`
request_region (PK)	`utf8`
arn (PK)	`utf8`
tags	`json`
assign_ipv6_address_on_creation	`bool`
availability_zone	`utf8`
availability_zone_id	`utf8`
available_ip_address_count	`int64`
cidr_block	`utf8`
customer_owned_ipv4_pool	`utf8`
default_for_az	`bool`
enable_dns64	`bool`
enable_lni_at_device_index	`int64`
ipv6_cidr_block_association_set	`json`
ipv6_native	`bool`
map_customer_owned_ip_on_launch	`bool`
map_public_ip_on_launch	`bool`
outpost_arn	`utf8`
owner_id	`utf8`
private_dns_name_options_on_launch	`json`
state	`utf8`
subnet_arn	`utf8`
subnet_id	`utf8`
vpc_id	`utf8`

Example Queries

These SQL queries are sampled from CloudQuery policies and are compatible with PostgreSQL.

EC2 subnets should not automatically assign public IP addresses

SELECT
  'EC2 subnets should not automatically assign public IP addresses' AS title,
  owner_id AS account_id,
  arn AS resource_id,
  CASE
  WHEN map_public_ip_on_launch IS true THEN 'fail'
  ELSE 'pass'
  END
FROM
  aws_ec2_subnets;

EMR clusters should not have public IP addresses

SELECT
  'EMR clusters should not have public IP addresses' AS title,
  aws_emr_clusters.account_id,
  aws_emr_clusters.arn AS resource_id,
  CASE
  WHEN aws_ec2_subnets.map_public_ip_on_launch
  AND aws_emr_clusters.status->>'State' IN ('RUNNING', 'WAITING')
  THEN 'fail'
  ELSE 'pass'
  END
    AS status
FROM
  aws_emr_clusters
  LEFT JOIN aws_ec2_subnets ON
      aws_emr_clusters.ec2_instance_attributes->>'Ec2SubnetId'
      = aws_ec2_subnets.subnet_id;

Introduction