Module: AwsPublicIps::Checks::Redshift

Defined in:
lib/aws_public_ips/checks/redshift.rb

Class Method Summary collapse

Class Method Details

.run ⇒ Object 



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# File 'lib/aws_public_ips/checks/redshift.rb', line 9

def self.run
  client = ::Aws::Redshift::Client.new
  return [] unless ::AwsPublicIps::Utils.has_service?(client)

  # Redshift clusters can be launched into VPCs or into Classic mode.
  # In classic mode they are always public.
  # In VPC mode they can be marked as `publicly_accessible` or not - if they are then its VPC must have
  # an Internet Gateway attached, and the DNS endpoint will resolve to a public ip address.
  client.describe_clusters.flat_map do |response|
    response.clusters.flat_map do |cluster|
      next [] unless cluster.publicly_accessible

      if cluster.endpoint.nil?
        raise StandardError, "Redshift cluster '#{cluster.cluster_identifier}' has a nil endpoint. This likely" \
          ' means the cluster is being brought up right now.'
      end

      {
        id: cluster.cluster_identifier,
        hostname: cluster.endpoint.address,
        ip_addresses: cluster.cluster_nodes.map(&:public_ip_address) +
          ::AwsPublicIps::Utils.resolve_hostname(cluster.endpoint.address)
      }
    end
  end
end