Steal liberally from the mongo role

This sets up the 10gen ubuntu package repo and installs 3.0.7 clients
from there (rather than using the 2.0 clients which ship with Ubuntu).

playbooks/roles/ad_hoc_reporting/defaults/main.yml

@@ -35,9 +35,12 @@ ad_hoc_reporting_debian_pkgs:
   # includes mysqldump and others
   - mysql-client
   - libmysqlclient-dev
-  # for connecting to mongo
-  - mongodb-clients
+  # mongo client is installed as a separate step so it comes from the 10gen repo
 
 ad_hoc_reporting_pip_pkgs:
   # for running ansible mysql
   - mysql-python
+
+MONGODB_APT_KEY: "http://docs.mongodb.org/10gen-gpg-key.asc"
+MONGODB_REPO: "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen"
+mongo_version: 3.0.7

playbooks/roles/ad_hoc_reporting/tasks/main.yml

@@ -28,6 +28,31 @@
   tags:
     - install:system-requirements
 
+- name: add the mongodb signing key
+  apt_key:
+    id: 7F0CEB10
+    url: "{{ MONGODB_APT_KEY }}"
+    state: present
+  tags:
+    - install:system-requirements
+
+- name: add the mongodb repo to the sources list
+  apt_repository:
+    repo: "{{ MONGODB_REPO }}"
+    state: present
+  tags:
+    - install:system-requirements
+
+- name: install mongo shell
+  apt:
+    pkg: mongodb-org-shell={{ mongo_version }}
+    state: present
+    install_recommends: yes
+    force: yes
+    update_cache: yes
+  tags:
+    - install:system-requirements
+
 - name: install python packages
   pip:
     name: "{{ item }}"