Requirements

For the ubuntu distributions python needs to be installed before start using ansible

• Ubuntu 18-04 LTS - Bionic
• Ubuntu 16-04 LTS - Xenial

apt install python -y

Role Variables

User is defined on variables based on AWS EC2 ssh user. System load the user automatically based on ansible_distribution facts

# for AWS EC2 centos
docker_user: centos

# for AWS EC2 amazon
docker_user: ec2-user

# for AWS EC2 ubuntu
docker_user: ubuntu

Example Playbook

Including an example of how to use your role (for instance, with variables passed in as parameters):

- hosts: servers
  roles:
      - { role: robedevops.ansible_docker_user }

See example below for CentOS system.

First Run

ansible-playbook main.yml -i inventory

PLAY [all] *****************************************************************************************************************************************************************

TASK [Gathering Facts] *****************************************************************************************************************************************************
ok: [manager]

TASK [robedevops.docker_user : Ensure group docker exists] *****************************************************************************************************************
changed: [manager]

TASK [robedevops.docker_user : Load user based on OS] **********************************************************************************************************************
ok: [manager] => (item=/home/ansible/.ansible/roles/robedevops.docker_user/vars/CentOS.yml)

TASK [robedevops.docker_user : Add user to docker group] *******************************************************************************************************************
changed: [manager]

PLAY RECAP *****************************************************************************************************************************************************************
manager                    : ok=4    changed=2    unreachable=0    failed=0

It shows two changes:

• group is added due there is no docker group
• user is added to docker group

Second Run

ansible-playbook main.yml -i inventory

PLAY [all] *****************************************************************************************************************************************************************

TASK [Gathering Facts] *****************************************************************************************************************************************************
ok: [manager]

TASK [robedevops.docker_user : Ensure group docker exists] *****************************************************************************************************************
ok: [manager]

TASK [robedevops.docker_user : Load user based on OS] **********************************************************************************************************************
ok: [manager] => (item=/home/ansible/.ansible/roles/robedevops.docker_user/vars/CentOS.yml)

TASK [robedevops.docker_user : Add user to docker group] *******************************************************************************************************************
ok: [manager]

PLAY RECAP *****************************************************************************************************************************************************************
manager                    : ok=4    changed=0    unreachable=0    failed=0

It show there are no new changes.

License

BSD

Author Information

Roberto Cardenas Isla - email: rcardenas20@gmail.com