IssacTran

# Idempotent way to build a /etc/hosts file with Ansible using your Ansible hosts inventory for a source.
# Will include all hosts the playbook is run on.
# Inspired from http://xmeblog.blogspot.com/2013/06/ansible-dynamicaly-update-etchosts.html

- name: "Build hosts file"
  lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].ansible_default_ipv4.address }} {{item}}" state=present
  when: hostvars[item].ansible_default_ipv4.address is defined
  with_items: groups['all']

IssacTran

---
# ^^^ YAML documents must begin with the document separator "---"
#
#### Example docblock, I like to put a descriptive comment at the top of my 
#### playbooks.
#
# Overview: Playbook to bootstrap a new host for configuration management.
# Applies to: production
# Description: 
#   Ensures that a host is configured for management with Ansible.

IssacTran

description: Developer Project Policy
context:
  project: 'gto' # GTO project
for:
  resource:
    - equals:
        kind: job
      allow: [read,run]
    - equals:
        kind: node

IssacTran

description: Project scope for group
context:
  project: '.*'
for:
  job:
    - equals:
        group: 'example'
        name: 'Restart'
      allow: [run,read]
    - equals:

IssacTran

zookeeper:
  image: wurstmeister/zookeeper
  ports: 
    - "32772:2181"
kafka:
  image: wurstmeister/kafka:latest
  ports:
    - "9092"
  links: 
    - zookeeper:zk

IssacTran

database, messaging, distributed system, kafka