Ec2_group - Tag - Filipe Felisbinohttps://felisbino.dev/tags/ec2_group/Ec2_group - Tag - Filipe FelisbinoHugo -- gohugo.ioenWed, 20 Jan 2016 00:00:00 +0000Ansible: Using with_nested to merge a list with a dicthttps://felisbino.dev/posts/ansible-nested-example/Wed, 20 Jan 2016 00:00:00 +0000Filipe Felisbinohttps://felisbino.dev/posts/ansible-nested-example/I make heavy use of Ansible for AWS infrastructure provisioning. From creating VPCs, subnets, EC2 instances, security groups and so on.

Because we have a central point where we define per-environment networks, I recently got stuck with having to convert a list of subnets (just strings) to a list of dicts to be used by the ec2_group module. My list of subnets was something like:

internal_networks:
  - 10.100.32.0/20
  - 10.100.128.0/20
  - 10.100.144.0/20
  - 10.50.128.0/20
  - 10.50.144.0/20

While the ec2_group expects its rules to be something like:

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