Initial working version

.gitignore

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+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+Icon?
+ehthumbs.db
+Thumbs.db
+
+# IDE files #
+#################
+/.settings
+/.buildpath
+/.project
+/nbproject
+*.komodoproject
+*.kpf
+/.idea
+
+# Vagrant files #
+.virtualbox/
+.vagrant/
+vagrant_ansible_inventory_*
+ansible.cfg
+
+# Other files #
+###############
+!empty

.travis.yml

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+---
+sudo: required
+dist: trusty
+
+language: python
+python: "2.7"
+
+env:
+  - ANSIBLE_VERSION=latest
+  - ANSIBLE_VERSION=2.2.0.0
+  - ANSIBLE_VERSION=2.1.3
+  - ANSIBLE_VERSION=2.1.2
+  - ANSIBLE_VERSION=2.1.1.0
+  - ANSIBLE_VERSION=2.1.0.0
+  - ANSIBLE_VERSION=2.0.2.0
+  - ANSIBLE_VERSION=2.0.1.0
+  - ANSIBLE_VERSION=2.0.0.2
+  - ANSIBLE_VERSION=2.0.0.1
+  - ANSIBLE_VERSION=2.0.0.0
+  - ANSIBLE_VERSION=1.9.6
+  - ANSIBLE_VERSION=1.9.5
+  - ANSIBLE_VERSION=1.9.4
+  - ANSIBLE_VERSION=1.9.3
+  - ANSIBLE_VERSION=1.9.2
+  - ANSIBLE_VERSION=1.9.1
+  - ANSIBLE_VERSION=1.9.0.1
+  - ANSIBLE_VERSION=1.8.4
+  - ANSIBLE_VERSION=1.8.3
+  - ANSIBLE_VERSION=1.8.2
+  - ANSIBLE_VERSION=1.8.1
+  - ANSIBLE_VERSION=1.8
+  - ANSIBLE_VERSION=1.7.2
+  - ANSIBLE_VERSION=1.7.1
+  - ANSIBLE_VERSION=1.7
+  - ANSIBLE_VERSION=1.6.9
+  - ANSIBLE_VERSION=1.6.8
+  - ANSIBLE_VERSION=1.6.7
+  - ANSIBLE_VERSION=1.6.6
+  - ANSIBLE_VERSION=1.6.5
+  - ANSIBLE_VERSION=1.6.4
+  - ANSIBLE_VERSION=1.6.3
+  - ANSIBLE_VERSION=1.6.2
+  - ANSIBLE_VERSION=1.6.10
+  - ANSIBLE_VERSION=1.6.1
+  - ANSIBLE_VERSION=1.6
+
+branches:
+  only:
+    - master
+
+before_install:
+  - sudo apt-get update -qq
+
+  # Remove haveged
+  - sudo apt-get remove --purge --yes haveged
+
+install:
+  # Install Ansible.
+  - if [ "$ANSIBLE_VERSION" = "latest" ]; then pip install --no-binary ansible ansible; else pip install --no-binary ansible ansible==$ANSIBLE_VERSION; fi
+
+script:
+  # Check the role/playbook's syntax.
+  - ansible-playbook -i tests/inventory tests/test.yml --syntax-check
+
+  # Run the role/playbook with ansible-playbook.
+  - ansible-playbook -i tests/inventory tests/test.yml -vvvv
+
+  # Run the role/playbook again, checking to make sure it's idempotent.
+  - >
+    ansible-playbook -i tests/inventory tests/test.yml
+    | grep -q 'changed=0.*failed=0'
+    && (echo 'Idempotence test: pass' && exit 0)
+    || (echo 'Idempotence test: fail' && exit 1)
+
+notifications:
+  email: false
+  hipchat:
+    rooms:
+      secure: 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
+  webhooks: https://galaxy.ansible.com/api/v1/notifications/

README.md

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+## haveged
+
+[![Build Status](https://travis-ci.org/Oefenweb/ansible-haveged.svg?branch=master)](https://travis-ci.org/Oefenweb/ansible-haveged) [![Ansible Galaxy](http://img.shields.io/badge/ansible--galaxy-haveged-blue.svg)](https://galaxy.ansible.com/Oefenweb/haveged)
+
+Set up [haveged](https://www.digitalocean.com/community/tutorials/how-to-setup-additional-entropy-for-cloud-servers-using-haveged) in Debian-like systems.
+
+#### Requirements
+
+None
+
+#### Variables
+
+* `haveged_install`: [default: `[]`]: Additional packages to install
+
+* `haveged_daemon_args`: [default: `['-w 1024']`]: Options to pass to haveged
+
+## Dependencies
+
+None
+
+#### Example
+
+```yaml
+---
+- hosts: all
+  roles:
+    - haveged
+```
+
+#### License
+
+MIT
+
+#### Author Information
+
+Mischa ter Smitten
+
+#### Feedback, bug-reports, requests, ...
+
+Are [welcome](https://github.com/Oefenweb/ansible-haveged/issues)!

Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby ts=2 sw=2 tw=0 et :
+
+role = File.basename(File.expand_path(File.dirname(__FILE__)))
+
+boxes = [
+  {
+    :name => "ubuntu-1204",
+    :box => "bento/ubuntu-12.04",
+    :ip => '10.0.0.11',
+    :cpu => "50",
+    :ram => "256"
+  },
+  {
+    :name => "ubuntu-1404",
+    :box => "bento/ubuntu-14.04",
+    :ip => '10.0.0.12',
+    :cpu => "50",
+    :ram => "256"
+  },
+  {
+    :name => "ubuntu-1604",
+    :box => "bento/ubuntu-16.04",
+    :ip => '10.0.0.13',
+    :cpu => "50",
+    :ram => "256"
+  },
+  {
+    :name => "debian-711",
+    :box => "bento/debian-7.11",
+    :ip => '10.0.0.14',
+    :cpu => "50",
+    :ram => "256"
+  },
+  {
+    :name => "debian-86",
+    :box => "bento/debian-8.6",
+    :ip => '10.0.0.15',
+    :cpu => "50",
+    :ram => "256"
+  },
+]
+
+Vagrant.configure("2") do |config|
+  boxes.each do |box|
+    config.vm.define box[:name] do |vms|
+      vms.vm.box = box[:box]
+      vms.vm.hostname = "ansible-#{role}-#{box[:name]}"
+
+      vms.vm.provider "virtualbox" do |v|
+        v.customize ["modifyvm", :id, "--cpuexecutioncap", box[:cpu]]
+        v.customize ["modifyvm", :id, "--memory", box[:ram]]
+      end
+
+      vms.vm.network :private_network, ip: box[:ip]
+
+      vms.vm.provision :ansible do |ansible|
+        ansible.playbook = "tests/vagrant.yml"
+        ansible.verbose = "vv"
+      end
+    end
+  end
+end

defaults/main.yml

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+# defaults file for haveged
+---
+haveged_install: []
+
+haveged_daemon_args:
+  - '-w 1024'

handlers/main.yml

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+# handlers file for haveged
+---
+- name: restart haveged
+  service:
+    name: haveged
+    state: restarted

meta/main.yml

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+# meta file for haveged
+---
+galaxy_info:
+  author: Mischa ter Smitten
+  company: Oefenweb.nl B.V.
+  description: Set up haveged in Debian-like systems
+  license: MIT
+  min_ansible_version: 1.6
+  platforms:
+    - name: Ubuntu
+      versions:
+        - precise
+        - trusty
+        - xenial
+    - name: Debian
+      versions:
+        - wheezy
+        - jessie
+  galaxy_tags:
+    - system
+    - networking
+dependencies: []

tasks/main.yml

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+# tasks file for haveged
+---
+- name: install dependencies
+  apt:
+    name: "{{ item }}"
+    state: "{{ apt_install_state | default('latest') }}"
+    update_cache: true
+    cache_valid_time: "{{ apt_update_cache_valid_time | default(3600) }}"
+  with_items: "{{ haveged_dependencies }}"
+  tags:
+    - configuration
+    - haveged
+    - haveged-dependencies
+
+- name: install additional
+  apt:
+    name: "{{ item }}"
+    state: "{{ apt_install_state | default('latest') }}"
+  with_items: "{{ haveged_install }}"
+  tags:
+    - configuration
+    - haveged
+    - haveged-install
+
+- name: update configuration file - /etc/default/haveged.conf
+  template:
+    src: etc/default/haveged.j2
+    dest: /etc/default/haveged
+    owner: root
+    group: root
+    mode: 0644
+  tags:
+    - configuration
+    - haveged
+    - haveged-configuration

templates/etc/default/haveged.j2

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+# {{ ansible_managed }}
+
+DAEMON_ARGS="{{ haveged_daemon_args | join(' ') }}"

tests/inventory

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+localhost

tests/test.yml

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+# test file for haveged
+---
+- hosts: localhost
+  connection: local
+  sudo: true
+  roles:
+    - ../../

tests/vagrant.yml

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+# test file for haveged
+---
+- hosts: all
+  remote_user: vagrant
+  sudo: true
+  roles:
+    - ../../

vars/main.yml

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+# vars file for haveged
+---
+haveged_dependencies:
+  - haveged