- Lab
- A Cloud Guru
Deploying Ansible
Ansible is a powerful automation tool that can be used for managing configuration state or even performing coordinated multi-system deployments. This activity is intended to provide the steps to get started with a simple Ansible configuration.
Path Info
Table of Contents
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Challenge
Install Ansible on the control host.
Run the following commands on the control host:
sudo yum install epel-releasesudo yum install ansible -
Challenge
Create an `ansible` user on both the control host and workstation host being sure to set a password you can remember.
On each host, run the noted commands below. Make sure you set a password you can remember (you will need it later).
Assuming you are logged in as
cloud_user:sudo useradd ansiblesudo passwd ansible -
Challenge
Configure a pre-shared key for Ansible that allows the user to log in from `control` to `workstation` without a password.
Assuming you are logged into control as
cloud_user, run the following commands providing the appropriate passwords when prompted and default options otherwise:sudo -i -u ansible(providecloud_userasudopassword)ssh-keygen(accept default options by pressing enter )ssh-copy-id workstation(provideansibleuser a password)logout -
Challenge
Configure the Ansible user on the workstation host so that Ansible may sudo without a password.
- Log into the workstation host as
cloud_userand run the following commands:
sudo visudo
- Add text at the end of the file that is opened:
ansible ALL=(ALL) NOPASSWD: ALL - Save file:
(:wq in vim)
- Log into the workstation host as
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Challenge
Create a simple inventory in `/home/ansible/inventory` consisting of only the `workstation` host.
- On the control host as the ansible user run the following commands:
vim /home/ansible/inventory(note: you may use any text editor with which you are comfortable)- Add the text "workstation" to the file and save using
(:wq in vim).
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Challenge
Write an Ansible playbook in `/home/ansible/git-setup.yml` on the control node that installs `git` on `workstation` then execute the playbook.
- On the control host as the ansible user run the following commands:
vim /home/ansible/git-setup.yml(You may use any text editor with which your are comfortable.)
- Add the following text to the file:
--- # install git on target host - hosts: workstation become: yes tasks: - name: install git yum: name: git state: latest-
Save
(:wq in vim)and quit the text editor. -
Run
ansible-playbook -i /home/ansible/inventory /home/ansible/git-setup.yml.
- On the control host as the ansible user run the following commands:
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