Terraform Module to run ansible playbooks.

Tip

👽 Use Atmos with Terraform

Cloud Posse uses atmos to easily orchestrate multiple environments using Terraform.
Works with Github Actions, Atlantis, or Spacelift.

Watch demo of using Atmos with Terraform

Example of running atmos to manage infrastructure from our Quick Start tutorial.

Usage

Add special section to the playbook

You must add this section on the top of all playbooks that will be used for provisioning.

This will add a dynamic inventory to target the host that needs provisioning.

e.g. ../ansible/playbooks/playbook.yml

• Create a runtime inventorty with an ip address of a host
• Wait for target host is ready for ssh connection

---
- hosts: localhost
  gather_facts: True
  check_mode: no
  tasks:
  - name: Add public ip addresses to an dynamic inventory
    add_host:
      name: "{{ host }}"
      groups: all

  - local_action: wait_for port=22 host="{{ host }}" search_regex=OpenSSH delay=10

- hosts: all
  gather_facts: False
  check_mode: no
  become: True
  tasks:
  - name: Install python 2.7
    raw: >
      test -e /usr/bin/python ||
      (
        (test -e /usr/bin/apt-get && (apt-get -y update && apt-get install -y python)) ||
        (test -e /usr/bin/yum && (yum makecache fast && yum install -y python))
      )
    args:
      creates: /usr/bin/python

Create an aws instance

resource "aws_instance" "web" {
  ami           = "ami-408c7f28"
  instance_type = "t1.micro"
  tags {
    Name        = test1
  }
}

Apply the provisioner module to this resource

module "ansible_provisioner" {
  source    = "github.com/cloudposse/tf_ansible"

  arguments = ["--user=ubuntu"]
  envs      = ["host=${aws_instance.web.public_ip}"]
  playbook  = "../ansible/playbooks/test.yml"
  dry_run   = false

}

Important

In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name	Version
terraform	>= 0.12
archive	~> 2.2.0
null	~> 3.2.0
random	~> 3.6.0

Providers

Name	Version
archive	~> 2.2.0
null	~> 3.2.0
random	~> 3.6.0

Modules

No modules.

Resources

Name	Type
null_resource.cleanup	resource
null_resource.provisioner	resource
random_id.default	resource
archive_file.default	data source

Inputs

Name	Description	Type	Default	Required
arguments	Arguments	list(string)	[]	no
dry_run	Do dry run	bool	true	no
envs	Environment variables	list(string)	[]	no
playbook	Playbook to run	string	""	no

Outputs

Name	Description
arguments	Arguments
envs	Environment variables

Related Projects

Check out these related projects.

• terraform-null-label - Terraform Module to define a consistent naming convention by (namespace, stage, name, [attributes])

Tip

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License

Preamble to the Apache License, Version 2.0

Complete license is available in the LICENSE file.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
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regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

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