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Deploying Services Using Ansible

Ansible is frequently used to manage software configuration and deployment. This exercise allows students to deploy and configure an NFS server using key features of Ansible.

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Path Info

Level
Clock icon Advanced
Duration
Clock icon 1h 30m
Published
Clock icon Apr 05, 2019

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Table of Contents

  1. Challenge

    Create the necessary template files on the Ansible control node.

    Create the files exports.j2 and etc.hosts.j2 in /home/ansible with the noted content:

    /home/ansible/exports.j2

    {{ share_path }} *(rw)

    /home/ansible/etc.hosts.j2

    127.0.0.1	localhost {{ ansible_hostname}}
{{ nfs_ip }}	{{ nfs_hostname }}

  2. Challenge

    Create a playbook for the server 'nfs' in the Ansible inventory.

    Create a playbook in /home/ansible/nfs.yml that meets the provided specification for the server nfs in the ansible inventory.

    Create a playbook in /home/ansible/nfs.yml with the following content: - hosts: nfs become: yes vars: share_path: /mnt/nfsroot tasks: - name: install nfs yum: name: nfs-utils state: latest - name: start and enable nfs-server service: name: nfs-server state: started enabled: yes - name: configure exports template: src: /home/ansible/exports.j2 dest: /etc/exports notify: update nfs handlers: - name: update nfs exports command: exportfs -a listen: update nfs

  3. Challenge

    Add a play for the remote host group.

    Edit /home/ansible/nfs.yml such that changes are executed on the remote host group to meet the provided requirements.

    Edit /home/ansible/nfs.yml to contain the following content after the nfs play: - hosts: remote become: yes vars: nfs_ip: "{{ hostvars['nfs']['ansible_default_ipv4']['address'] }}" nfs_hostname: "{{ hostvars['nfs']['ansible_hostname'] }}" vars_files: - /home/ansible/user-list.txt tasks: - name: configure hostsfile template: src: /home/ansible/etc.hosts.j2 dest: /etc/hosts.nfslab - name: get file status stat: path: /opt/user-agreement.txt register: filestat - name: debug info debug: var: filestat - name: create users user: name: "{{ item }}" when: filestat.stat.exists loop: "{{ users }}"

  4. Challenge

    Execute playbook to verify your playbook works correctly.

    Execute playbook /home/ansible/nfs.yml to verify your playbook works correctly.

    Run ansible-playbook /home/ansible/nfs.yml from the control node.

A Cloud Guru - Labs - Deploying Services Using Ansible
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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