danrough’s gists

danrough / dictionary-lookup.yml

Created November 10, 2017 11:39

	---
	- hosts: localhost
	gather_facts: no
	vars:
	database_clusters:
	- { cluster_name: "test_lon", port: 5433 }
	- { cluster_name: "prod_lon", port: 5434 }
	tasks:
	- name: Port for {{ environment }}_{{ region \| lower }}
	debug: var="{{ database_clusters \| selectattr('cluster_name', 'equalto', '{{ environment }}_{{ region \| lower }}') \| map(attribute='port') \| join(',') }}"

danrough / main.yml

Created February 6, 2016 20:56

Uses the meta module, introduced in Ansible 2.0, to refresh the inventory mid play

	---
	- name: App servers
	local_action:
	module: rax
	credentials: ~/.rackspace_cloud_credentials
	region: "{{ region }}"
	name: "{{ target_environment }}-{{ region }}-app-%02d"
	count: "{{ app_server_count }}"
	exact_count: yes
	group: "{{ target_environment }}_app_servers"

danrough / main.yml

Created February 6, 2016 09:40

Creates a server and registers the new server's facts to an ansible variable. Uses the registered variable to perform an additional task on the newly created server.

	---
	- name: App servers
	local_action:
	module: rax
	credentials: ~/.rackspace_cloud_credentials
	region: "{{ region }}"
	name: "{{ target_environment }}-{{ region }}-app-%02d"
	count: "{{ app_server_count }}"
	exact_count: yes
	group: "{{ target_environment }}_app_servers"

danrough / test-environment

Created August 4, 2014 17:04

Create test environment using rax modules playbook

	---
	- name: Gather information from the inventory file about all hosts for later use
	hosts: all
	gather_facts: no

	- name: Build test infrastructure
	hosts: localhost
	gather_facts: no
	connection: local

danrough / hostgroups.cfg.j2

Created February 12, 2014 12:29

A portion of a template used in one of our ansible playbooks to generate nagios hostgroup definitions file.

	define hostgroup {
	hostgroup_name web_servers
	alias Web servers
	members {% for host in groups['web'] %}{{ hostvars[host]['ansible_ssh_host'] }}{% if not loop.last %}, {% endif %}{% endfor %}


	}

danrough / service_init_script.j2

Created November 27, 2013 22:41

Generic service init script written using a jinja2 template which is then called by a template task in an ansible play.

	#!/bin/bash

	### BEGIN INIT INFO
	# Provides: {{ item.service_name }}
	# Required-Start: $all
	# Required-Stop: $all
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: {{ item.service_description }}
	### END INIT INFO

danrough / main.yml

Created November 27, 2013 22:37

Shows an implementation of the ansible template task which is iterated upon using a list of dictionary objects.

	- name: Create the service init scripts yo
	template: src=service_init_script.j2 dest=/etc/init.d/{{ item.service_name }} owner=root group=root mode=755
	with_items:
	- { service_name: paymentHandler, service_description: 'Handles payments', service_user: blackjack_attack, service_exec: "{{ application_directory }}/apps/paymentHandler.js" }
	- { service_name: tablePool, service_description: 'The pool of tables available', service_user: blackjack_attack, service_exec: "{{ application_directory }}/apps/tablePool.js" }
	- { service_name: userManager, service_description: 'Manages users, apparently', service_user: blackjack_attack, service_exec: "{{ application_directory }}/apps/userManager.js" }
	sudo: yes

danrough / dictionary_items

Created November 26, 2013 16:15

Passing in a dictionary of variables

	- name: Spin up the services
	template: src=service_init.j2 dest=/etc/init.d/{{ item.service_name }} owner=root group=root mode=777
	with_items:
	- { service_name: paymentHandler, service_user: blackjack_attack, service_exec: "{{ application_directory }}/apps/paymentHandler.js" }

danrough / main.yml

Created October 29, 2013 15:47

Using parameterised includes

	---
	# (Ansible version 1.4)
	#
	# ERROR: Syntax Error while loading YAML script, /Users/danrough/Documents/Development/OpsScripts/ansible/base-build/roles/common/tasks/main.yml
	# Note: The error may actually appear before this position: line 14, column 3
	#
	# - { include: user.yml, user: {{ users.username }}, sudo: {{ users.isSudo }} }
	# with_items: users
	# ^

danrough / create_ssh_user.yml

Last active December 26, 2015 20:59

Getting a file based on a variable in Ansible

	---

	############################################################
	# The lookup on line 9 is currenlty failing.
	# Can anyone recommend how I can achieve the following?
	# Is there a better way to go about doing what I've set out to do here?
	############################################################

	- name: Add user {{ user }}
	user: name={{user}}

Dan Rough danrough