Update main.yml

To use local mongodb repo

playbooks/roles/mongo/tasks/main.yml

@@ -8,12 +8,12 @@
 - name: add the mongodb signing key
   apt_key: >
     id=7F0CEB10
-    url=http://docs.mongodb.org/10gen-gpg-key.asc
+    url={{mongodb_apt_key}}
     state=present
 
 - name: add the mongodb repo to the sources list
   apt_repository: >
-    repo='deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen'
+    repo='{{ mongodb_repo }}'
     state=present
 
 - name: install mongo server and recommends