Add in bastion role

playbooks/bastion.yml

+- hosts: tag_group_mlapi-bastion
+  roles:
+    - bastion
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playbooks/roles/bastion/tasks/main.yml

+# requires:
+#  - common/tasks/main.yml
+#  - nginx/tasks/main.yml
+---
+# Check out mitx repo to $app_base_dir
+- name: set permissions on $app_base_dir sgid for edx
+  file: path=$app_base_dir owner=root group=edx mode=2775 state=directory
+  file: path=$app_base_dir owner=ubuntu group=edx mode=2775 state=directory
+  sudo: True
+- name: Update apt cache
+  sudo: True
+  apt: update_cache=yes
+- name: install git and its recommends
+  apt: pkg=git state=installed install_recommends=yes
+  sudo: True
+- name : install python and its recommends
+  apt: pkg=python state=installed install_recommends=yes
+  sudo: True
+- name: git checkout configuration repo into $app_base_dir
+  git: dest=$app_base_dir/configuration repo=git@github.com:edx/configuration.git
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