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drupal-cluster-playbook's Introduction

Ansible playbook for a Drupal Cluster

  • Requires Ansible 1.5
  • Expects Debian Wheezy

This playbook configures a Drupal cluster. Hosts are configured in the 'hosts' file, grouped by purpose.

  • [lbservers] for load balancers
  • [webservers] for application servers
  • [dbservers] for database servers

Checking cluster configuration

ansible-playbook site.yml --check

Applying changes to the cluster

ansible-playbook site.yml

Ad-hoc operations on the cluster

ansible -i hosts -a "apt-get install -y -q mc" webservers

Troubleshooting

Switch MySQL master if db01 fails

Login to db02 and issue

# echo "STOP SLAVE; RESET MASTER;" | mysql

Then. edit 'settings.php' to point the database to db02

Nice to have

  • automatic load balancer failover
  • automatic mysql failover
  • Drupal master/slave configuration with autoslave module

drupal-cluster-playbook's People

Contributors

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Watchers

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