ymkjp / wordpress-base

WordPress Base

Introduction

This Ansible playbook constructs WordPress, the FOSS content management system, into single server node.

Requirements

Environment

• Host: CentOS 6.7
• Client: Mac OS X 10.11

Runtime

• Python v2.7
• Vagrant v1.8 (optional)
• ssh-copy-id (optional)

# Example on OS X with Homebrew
xcode-select --install \
&& brew update \
&& brew install \
  python \
  ssh-copy-id \
  Caskroom/cask/vagrant

Setups

Setup Client

• To get New Relic License key, generate it as following documents below

  1. Create your New Relic account | New Relic Documentation
  2. License key | New Relic Documentation

• Run command below, and edit credentials.yml to set your passwords and API Keys

$ cat <<EOF > credentials.yml
admin_password:       "$(openssl passwd -salt foo -1 bar)"  # password: "bar"
wp_db_password:       "$(openssl rand -hex 16)"
mysql_root_password:  "$(openssl rand -hex 16)"
newrelic_api_key:     "__YOUR_API_KEY__"
EOF

• Install Ansible and its 3rd party packages to your local client

$ pip install --requirement requirements.txt
$ ansible-galaxy install --role-file=role_packages.yml

• Edit ~/.ssh/config corresponding to hosts (No need for Vagrant)

$ cat <<EOF >> ~/.ssh/config
Host centos6-init001
    User root
    HostName example.com
    IdentitiesOnly yes

Host centos6-general001
    User admin
    HostName example.com
EOF

Setup Vagrant Server for local development environment

• Run Vagrant commands after setting up client

$ vagrant login  # Sign up to Hashicorp before logging in
$ vagrant up  # Run this for the first time
$ vagrant provision  # Run this when `vagrant up` had problem due to network error, etc
$ vagrant destroy --force && vagrant up  # Run this to reset everything

Setup CentOS 6 Host Server for production environment

• Run commands below, and wait for a few hours or so (up to the server spec)
  • Use --check option if you prefer to run as dry-run mode

$ ssh-copy-id -i ~/.ssh/id_rsa.pub [e-mail]
$ ansible-playbook site.yml --inventory-file hosts --extra-vars "@credentials.yml" --private-key="~/.ssh/id_rsa" --limit="centos6_init"
$ ansible-playbook site.yml --inventory-file hosts --extra-vars "@credentials.yml" --private-key="~/.ssh/id_rsa" --limit="wordpress_server"

How to know what are these commands above doing?

$ ansible-playbook site.yml --list-tasks
$ ansible-playbook site.yml --list-hosts