Create vagrant for building and testing cluster roles

playbooks/vagrant-cluster.yml

+# - name: Configure group cluster 
+#   hosts: all
+#   sudo: True
+#   gather_facts: True
+#   vars:
+#     mongo_cluster_members:
+#       - "cluster1"
+#       - "cluster2"
+#       - "cluster3"
+#     MONGO_CLUSTERED: yes
+#     MONGO_CLUSTER_KEY: 'password'
+#     mongo_create_users: no
+#     ELASTICSEARCH_CLUSTERED: yes
+#     MARIADB_CLUSTERED: yes
+#     MARIADB_CREATE_DBS: no
+#   vars_files:
+#     - "group_vars/all"
+#   roles:
+#     - user
+#     - mongo
+#     - oraclejdk
+#     - elasticsearch
+#     - mariadb
+#     - edx_ansible
+
+# # Rabbit needs to be built serially
+# - name: Configure group cluster serial roles 
+#   hosts: all
+#   sudo: True
+#   gather_facts: True
+#   forks: 1
+#   vars:
+#     rabbitmq_clustered_hosts: 
+#       - "rabbit@cluster1"
+#       - "rabbit@cluster2"
+#       - "rabbit@cluster3"
+#     rabbitmq_ip: ""
+#   vars_files:
+#     - "group_vars/all"
+#   roles:
+#     - rabbitmq
+
+# Mongo user doesn't handle slave's gracefully when
+# creating users and there are race conditions
+# in MariaDB occasionally so this play will work
+# but will also show as failed
+- name: Configure group with tasks that will always fail
+  hosts: all
+  sudo: True
+  gather_facts: True
+  vars:
+    mongo_cluster_members:
+      - "cluster1"
+      - "cluster2"
+      - "cluster3"
+    MONGO_CLUSTERED: yes
+    MONGO_CLUSTER_KEY: 'password'
+    mongo_create_users: yes
+    RABBITMQ_CLUSTERED: yes
+    MARIADB_CLUSTERED: yes
+    MARIADB_CREATE_DBS: yes
+  vars_files:
+    - "group_vars/all"
+    - "roles/analytics-api/defaults/main.yml"
+  roles:
+    - mongo
+    # - mariadb

vagrant/base/cluster/Vagrantfile

+# -*- mode: ruby -*-
+
+# vi: set ft=ruby :
+
+VAGRANTFILE_API_VERSION = "2"
+
+Vagrant.require_version ">= 1.5.0"
+
+$script = <<SCRIPT
+# Silly Ubuntu 12.04 doesn't have the
+# --stdin option in the passwd utility
+echo root:vagrant | chpasswd
+
+cat << EOF >> /etc/hosts
+192.168.33.100 cluster1
+192.168.33.110 cluster2
+192.168.33.120 cluster3
+EOF
+SCRIPT
+
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  config.vm.box     = "precise64"
+  config.vm.box_url = "http://files.vagrantup.com/precise64.box"
+
+  # Turn off shared folders
+  #config.vm.synced_folder ".", "/vagrant", id: "vagrant-root", disabled: true
+
+  # Begin cluster1
+  config.vm.define "cluster1" do |cluster1_config|
+    cluster1_config.vm.hostname = "cluster1"
+
+    cluster1_config.vm.provision "shell", inline: $script
+
+    cluster1_config.vm.network :private_network, ip: "192.168.33.100"
+
+    cluster1_config.vm.provider "virtualbox" do |v|
+        v.customize ["modifyvm", :id, "--memory", "2048"]
+        v.customize ["modifyvm", :id, "--cpus", "2"]
+    end
+  end
+  # End cluster1
+
+ # Begin cluster2
+  config.vm.define "cluster2" do |cluster2_config|
+    cluster2_config.vm.hostname = "cluster2"
+
+    cluster2_config.vm.provision "shell", inline: $script
+
+    cluster2_config.vm.network :private_network, ip: "192.168.33.110"
+
+    cluster2_config.vm.provider "virtualbox" do |v|
+        v.customize ["modifyvm", :id, "--memory", "2048"]
+        v.customize ["modifyvm", :id, "--cpus", "2"]
+    end
+  end
+  # End cluster2
+
+
+  # Begin cluster3
+  config.vm.define "cluster3" do |cluster3_config|
+    cluster3_config.vm.hostname = "cluster3"
+
+    cluster3_config.vm.provision "shell", inline: $script
+
+    cluster3_config.vm.network :private_network, ip: "192.168.33.120"
+
+    cluster3_config.vm.provider "virtualbox" do |v|
+        v.customize ["modifyvm", :id, "--memory", "2048"]
+        v.customize ["modifyvm", :id, "--cpus", "2"]
+    end
+    # Now that all machines are up, provision the group
+    # See https://github.com/mitchellh/vagrant/issues/1784 for why
+    # we do it here
+    cluster3_config.vm.provision :ansible do |ansible|
+      # point Vagrant at the location of your playbook you want to run
+      ansible.playbook = "../../../playbooks/vagrant-cluster.yml"
+      #ansible.verbose = "vvv"
+      ansible.inventory_path = "inventory.ini"
+      ansible.limit = 'all'
+    end
+    
+  end
+  # End cluster3
+end

vagrant/base/cluster/ansible.cfg

+# config file for ansible -- http://ansible.github.com
+# nearly all parameters can be overridden in ansible-playbook or with command line flags
+# ansible will read ~/.ansible.cfg or /etc/ansible/ansible.cfg, whichever it finds first
+
+[defaults]
+
+jinja2_extensions=jinja2.ext.do
+host_key_checking = False
+roles_path=../../ansible-roles/roles:../../ansible-private/roles:../../ansible-roles/

vagrant/base/cluster/inventory.ini

+[cluster]
+cluster1 ansible_ssh_host=192.168.33.100 ansible_ssh_user=vagrant ansible_ssh_private_key_file=~/.vagrant.d/insecure_private_key
+cluster2 ansible_ssh_host=192.168.33.110 ansible_ssh_user=vagrant ansible_ssh_private_key_file=~/.vagrant.d/insecure_private_key
+cluster3 ansible_ssh_host=192.168.33.120 ansible_ssh_user=vagrant ansible_ssh_private_key_file=~/.vagrant.d/insecure_private_key