ansible-role-template

Template for custom Ansible roles.

Technical Requirements

Pre-requirements for Linux

• install ansible

sudo apt-get update
sudo apt-get install software-properties-common
sudo apt-add-repository --yes --update ppa:ansible/ansible
sudo apt-get install ansible

• check if python > v2 is installed

python --version

• install vagrant for local vm provisioning

sudo apt-get install virtualbox
sudo apt-get install vagrant

• install vagrant cachier plugin

vagrant plugin install vagrant-cachier

Ansible files and folder structure

• ansible folder strucutre

site.yml                  # master playbook
servers.yml               # enable specific roles for hosts
ansible-role-template/    # this hierarchy represents a "role"
    /defaults             # define variables for usage in tasks 
    /handlers             # define "handlers" for start, stop and reload processes
    /meta                 # some metadata for the ansible galaxy
    /molecule             # molecule testing in tavis-ci
    /tasks                # tasks that will be executed on the servers

• order of file execution

  • site.yml
  • dbservers.yml (based on hosts)
  • tasks
    • main.yml
      • sample_playbooks.yml
  • handlers
    • main.yml

Running playbooks

• clone repo and configure your hosts

git clone git@github.com:yanehi/ansible-role-template.git
cd ansible-role-template

• start virtual machine with centos7

vagrant up

• copy the ssh-key from the ansible host to the required hosts

  • cat ~/.ssh/id_rsa.pub

• on the hosts

  • mkdir ~/.ssh
  • touch ~/.ssh/authorized_keys && chmod 600 authorized_keys
  • copy your ansible hosts ssh-key to the authorized_keys file on each host

• check the connection form the ansible host to the other hosts

  • ansible -m ping all

• execute your ansible playbook

  • ansible-playbook <path to folder with role>/site.yml

Local linter

• before pushing to travis-ci run yamllint and ansible-lint locally over your ansible role
• requirements:
  • currently working only with linux
  • yamllint and ansible-lint are installed

./local_role_linter.sh <path to local ansible role repository>