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use the resolveHosts role to allow nodes to resolve other nodes by name....
Chris Hines authored 
use the resolveHosts role to allow nodes to resolve other nodes by name. conifugre the dependenices for resolveHosts to use the role etcHosts if you would like to put all hosts in /etc/hosts or create a new role for a dnsclient if you would prefer
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roles
README.md
get_or_make_passwd.py
README.md

ansible_cluster_in_a_box

The aim of this repo is to provide a set or ansible roles that can be used to deploy a cluster We are working from https://docs.google.com/a/monash.edu/spreadsheets/d/1IZNE7vMid_SHYxImGVtQcNUiUIrs_Nu1xqolyblr0AE/edit#gid=0 as our architecture document.

We aim to make these roles as generic as possible. You should be able to start from an inventory file, an ssh key and a git clone of this and end up with a working cluster. In the longer term we might branch to include utilities to make an inventory file using NeCTAR credentials.

If you need a password use get_or_make_password.py (delegated to the passwword server/localhost) to generate a random one that can be shared between nodes Here is an example task (taken from setting up karaage):

  • name: mysql db mysql_db: name=karaage login_user=root login_password={{ sqlrootPasswd.stdout }}

  • name: karaage sql password shell: ~/get_or_make_passwd.py karaageSQL delegate_to: 127.0.0.1 register: karaageSqlPassword

  • name: mysql user mysql_user: name='karaage' password={{ item }} priv=karaage.*:ALL state=present login_user=root login_password={{ sqlrootPasswd.stdout }} with_items: karaageSqlPassword.stdout

We aim to make these roles run on all common linux platforms (both RedHat and Debian derived) but at the very least they should work on a CentOS 6 install.