AutoScaling Group tags module

[jsok]

SUMMARY

Add a new module ec2_asg_tag analogous to ec2_tag to manage tags on AutoScaling Groups.

ISSUE TYPE

• Feature Idea

COMPONENT NAME

ec2_asg_tag

ADDITIONAL INFORMATION

Using ec2_asg to manage tags is difficult since you must specify the entire list of tags to manage them.
This is cumbersome since you first need to use ec2_asg_info to query the current set of tags, munge the result to create a new list of tags that includes or excludes the tags you with to add/remove and call ec2_asg again.

A more declarative approach would be to follow the pattern of ec2_tag, e.g.:

- name: Ensure tags are present on an ASG
  community.aws.ec2_asg_tag:
    resource: my-auto-scaling-group
    state: present
    tags:
      - environment: production
        propagate_at_launch: true
      - role: webserver
        propagate_at_launch: true

- name: Ensure tag is absent on an ASG
  community.aws.ec2_asg_tag:
    resource: my-auto-scaling-group
    state: absent
    tags:
      - environment: development

The module would utilise underlying API calls to:

• https://docs.aws.amazon.com/autoscaling/ec2/APIReference/API_DescribeTags.html
• https://docs.aws.amazon.com/autoscaling/ec2/APIReference/API_CreateOrUpdateTags.html
• https://docs.aws.amazon.com/autoscaling/ec2/APIReference/API_DeleteTags.html

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[alinabuzachis]

Hi @tremble, how do you feel about this PR?

[tremble]

@alinabuzachis,

Generally I prefer the alternative option of adding a "purge" option to the ec2_asg module (defaulting to purge=True, but supporting purge=False for the behaviour @jsok is after). On the whole it's more consistent with our other modules. However, we do have ec2_tag and ecs_tag, so it's not entirely inconsistent. Consider me neither a +1 nor a -1.