Auto Scaling Group With No Associated ELB

  • Query id: 050f085f-a8db-4072-9010-2cca235cc02f
  • Query name: Auto Scaling Group With No Associated ELB
  • Platform: Ansible
  • Severity: Medium
  • Category: Availability
  • URL: Github

Description

AWS Auto Scaling Groups must have associated ELBs to ensure high availability and improve application performance. This means the attribute 'load_balancers' must be defined and not empty.
Documentation

Code samples

Code samples with security vulnerabilities

Postitive test num. 1 - yaml file
- name: elb1
  community.aws.ec2_asg:
    name: special
    load_balancers: []
    availability_zones: [ 'eu-west-1a', 'eu-west-1b' ]
    launch_config_name: 'lc-1'
    min_size: 1
    max_size: 10
    desired_capacity: 5
    vpc_zone_identifier: [ 'subnet-abcd1234', 'subnet-1a2b3c4d' ]
    tags:
      - environment: production
        propagate_at_launch: no
Postitive test num. 2 - yaml file
- name: elb2
  ec2_asg:
    name: special
    availability_zones: [ 'eu-west-1a', 'eu-west-1b' ]
    launch_config_name: 'lc-1'
    min_size: 1
    max_size: 10
    desired_capacity: 5
    vpc_zone_identifier: [ 'subnet-abcd1234', 'subnet-1a2b3c4d' ]
    tags:
      - environment: production
        propagate_at_launch: no

Code samples without security vulnerabilities

Negative test num. 1 - yaml file
- name: elb12
  community.aws.ec2_asg:
    name: special
    load_balancers: [ 'lb1', 'lb2' ]
    availability_zones: [ 'eu-west-1a', 'eu-west-1b' ]
    launch_config_name: 'lc-1'
    min_size: 1
    max_size: 10
    desired_capacity: 5
    vpc_zone_identifier: [ 'subnet-abcd1234', 'subnet-1a2b3c4d' ]
    tags:
      - environment: production
        propagate_at_launch: no
Negative test num. 2 - yaml file
- name: elb22
  ec2_asg:
    name: special
    load_balancers: [ 'lb1', 'lb2' ]
    availability_zones: [ 'eu-west-1a', 'eu-west-1b' ]
    launch_config_name: 'lc-1'
    min_size: 1
    max_size: 10
    desired_capacity: 5
    vpc_zone_identifier: [ 'subnet-abcd1234', 'subnet-1a2b3c4d' ]
    tags:
      - environment: production
        propagate_at_launch: no