New playbooks for the sandbox configuration

edx_sandbox for edx-east and an edx_sandbox reference
new launch_instance role for bringing instances up using the ec2 module
new edxlocal role for installing local dependencies

playbooks/edx-east/edx_sandbox.yml

+- name: Create sandbox instance
+  hosts: localhost
+  connection: local
+  user: root
+  sudo: False
+  gather_facts: False
+
+  vars:
+    keypair: continuous-integration
+    instance_type: m1.large
+    security_group: sandbox
+    image: ami-d0f89fb9
+    region: us-east-1
+
+  roles:
+    - launch_instance
+
+- name: Configure instance(s)
+  hosts: ec2-54-226-85-68.compute-1.amazonaws.com
+  sudo: True
+  gather_facts: True
+  vars:
+    migrate_db: True
+  vars_files:
+    - "{{ secure_dir }}/vars/edxapp_sandbox.yml"
+    - "{{ secure_dir }}/vars/users.yml"
+  roles:
+    - common
+    - nginx
+    - gunicorn
+    - edxlocal
+    - edxapp

playbooks/edx_sandbox.yml

+- name: Create sandbox instance
+  hosts: localhost
+  connection: local
+  user: root
+  sudo: False
+  gather_facts: False
+
+  vars:
+    keypair: continuous-integration
+    instance_type: m1.large
+    security_group: sandbox
+    image: ami-d0f89fb9
+    region: us-east-1
+
+  roles:
+    - launch_instance
+
+- name: Configure instance(s)
+  hosts: ec2-54-226-85-68.compute-1.amazonaws.com
+  sudo: True
+  gather_facts: True
+  vars:
+    migrate_db: True
+  vars_files:
+    - "{{ secure_dir }}/vars/edxapp_ref_users.yml"
+    - "{{ secure_dir }}/vars/edxapp_sandbox.yml"
+  roles:
+    - common
+    - nginx
+    - gunicorn
+    - edxlocal
+    - edxapp

playbooks/roles/edxlocal/tasks/main.yml

+# Installs packages to run edx locally on a single instance
+# requires:
+#  - group_vars/all
+#  - common/tasks/main.yml
+#  - nginx/tasks/main.yml
+---
+- name: install python-pymongo (req for ansible)
+  pip: name=pymongo
+ 
+- name: install python-mysqldb (req for ansible)
+  apt: pkg=python-mysqldb state=present
+
+- name: install mysql server and recommends
+  apt: pkg=mysql-server-5.5 state=present install_recommends=yes 
+
+- name: create a database
+  mysql_db: >
+    db=wwc
+    state=present
+    encoding=utf8
+
+- name: install mongo server and recommends  
+  apt: pkg=mongodb-server state=present install_recommends=yes
+
+- name: stop mongo service
+  service: name=mongodb state=stopped
+
+- name: move mongodb to /mnt
+  command: mv /var/lib/mongodb  /mnt/.  creates=/mnt/mongodb
+
+- name: create mongodb symlink
+  file: src=/mnt/mongodb dest=/var/lib/mongodb state=link
+
+- name: start mongo service
+  service: name=mongodb state=started
+
+- name: wait for mongo server to start
+  wait_for: port=27017 delay=2
+
+- name: create a mongodb user
+  mongodb_user: >
+    database=wwc
+    name=edxapp
+    password=password
+    state=present
+
+- name: install memcached
+  apt: pkg=memcached state=present

playbooks/roles/launch_instance/tasks/main.yml

+# Launches an ec2 instance and blocks until the instance is up
+# adds it to the host group 
+
+- name: Launch instance 
+  local_action: ec2 keypair=$keypair group=$security_group instance_type=$instance_type image=$image wait=true region=$region
+  register: ec2
+ 
+- name: Add new instance to host group
+  local_action: add_host hostname=${item.public_ip} groupname=launched 
+  with_items: ${ec2.instances}
+
+- name: Wait for SSH to come up
+  local_action: wait_for host=${item.public_dns_name} port=22 delay=60 timeout=320 state=started
+  with_items: ${ec2.instances}