Create a var in defaults for storage_base_dir which defaults to /mnt

playbooks/group_vars/all

@@ -2,8 +2,9 @@
 # This should only have variables
 # that are applicable to all edX roles
 
+storage_base_dir: /mnt
 app_base_dir: /opt/wwc
-log_base_dir: /mnt/logs
+log_base_dir: {{ storage_base_dir }}/logs
 venv_dir: /opt/edx
 os_name: ubuntu
 

playbooks/roles/common/tasks/main.yml

@@ -10,6 +10,14 @@
   - pre_install
   - update
 
+- name: common | Create the base directory for storage
+  file: >
+    path={{ storagage_base_dir }}
+      state=directory
+      owner=root
+      group=root
+      mode=0755
+
 - name: common | Create application root
   # In the future consider making group edx r/t adm
   file: path={{ app_base_dir }} state=directory owner=root group=adm mode=2775 

playbooks/roles/edxapp/defaults/main.yml

@@ -154,7 +154,7 @@ generic_env_config:  &edxapp_generic_env
   WIKI_ENABLED: true
   SYSLOG_SERVER:  $EDXAPP_SYSLOG_SERVER
   SITE_NAME:  $EDXAPP_SITE_NAME
-  LOG_DIR:  '/mnt/logs/edx'
+  LOG_DIR:  "{{ storage_base_dir }}/logs/edx"
   MEDIA_URL:  $EDXAPP_MEDIA_URL
   ANALYTICS_SERVER_URL:  $EDXAPP_ANALYTICS_SERVER_URL
   FEEDBACK_SUBMISSION_EMAIL: $EDXAPP_FEEDBACK_SUBMISSION_EMAIL

playbooks/roles/edxlocal/tasks/main.yml

@@ -44,11 +44,11 @@
 - name: edxlocal | stop mongo service
   service: name=mongodb state=stopped
 
-- name: edxlocal | move mongodb to /mnt
-  command: mv /var/lib/mongodb  /mnt/.  creates=/mnt/mongodb
+- name: edxlocal | move mongodb to {{ storage_base_dir }}
+  command: mv /var/lib/mongodb  {{ storage_base_dir }}/.  creates={{ storage_base_dir }}/mongodb
 
 - name: edxlocal | create mongodb symlink
-  file: src=/mnt/mongodb dest=/var/lib/mongodb state=link
+  file: src={{ storage_base_dir }}/mongodb dest=/var/lib/mongodb state=link
 
 - name: edxlocal | start mongo service
   service: name=mongodb state=started

playbooks/roles/jenkins_master/defaults/main.yml

-jenkins_home: /mnt/jenkins
+jenkins_home: "{{ storage_base_dir }}/jenkins"
 jenkins_user: "jenkins"
 jenkins_group: "edx"
 jenkins_server_name: "jenkins.testeng.edx.org"

playbooks/roles/jenkins_master/tasks/main.yml

@@ -34,7 +34,7 @@
   file: path={{ jenkins_home }} recurse=yes state=directory
         owner={{ jenkins_user }} group={{ jenkins_group }}
 
-# Symlink /var/lib/jenkins to /mnt/jenkins
+# Symlink /var/lib/jenkins to {{ storage_base_dir }}/jenkins
 # since Jenkins will expect its files to be in /var/lib/jenkins
 - name: jenkins_master | Symlink /var/lib/jenkins
   file: src={{ jenkins_home }} dest=/var/lib/jenkins state=link

playbooks/roles/jenkins_worker/defaults/main.yml

 ---
-jenkins_workspace: /mnt/jenkins
+jenkins_workspace: "{{ storage_base_dir }}/jenkins"
 jenkins_phantomjs_url: https://phantomjs.googlecode.com/files/phantomjs-1.9.1-linux-x86_64.tar.bz2
 jenkins_phantomjs_archive: phantomjs-1.9.1-linux-x86_64.tar.bz2
 jenkins_phantomjs_folder: phantomjs-1.9.1-linux-x86_64
@@ -48,10 +48,10 @@ jscover_url: "http://superb-dca2.dl.sourceforge.net/project/jscover/JSCover-1.0.
 jscover_version: "1.0.2"
 
 # Mongo config
-mongo_dir: "/mnt/mongodb"
-mongo_log_dir: "/mnt/logs/mongodb"
+mongo_dir: "{{ storage_base_dir }}/mongodb"
+mongo_log_dir: "{{ storage_base_dir }}/logs/mongodb"
 
 # URL of S3 bucket containing pre-compiled Python packages
 python_pkg_url: "https://s3.amazonaws.com/jenkins.python_pkgs"
-python_download_dir: "/mnt/python_pkgs"
-python_virtualenv: "/mnt/venv"
+python_download_dir: "{{ storage_base_dir }}/python_pkgs"
+python_virtualenv: "{{ storage_base_dir}}/venv"

playbooks/roles/jenkins_worker/tasks/mongo.yml

 ---
 
-# Configure Mongo to use /mnt so we don't
+# Configure Mongo to use {{ storage_base_dir }} so we don't
 # run out of disk space
 - name: jenkins_worker | Stop mongo service
   service: name=mongodb state=stopped

playbooks/roles/mongo/tasks/main.yml

@@ -12,12 +12,12 @@
   service: name=mongodb state=stopped
   tags: mongo
 
-- name: mongo | move mongodb to /mnt
-  command: mv /var/lib/mongodb  /mnt/.  creates=/mnt/mongodb
+- name: mongo | move mongodb to {{ storage_base_dir }}
+  command: mv /var/lib/mongodb  {{ storage_base_dir}}/.  creates={{ storage_base_dir }}/mongodb
   tags: mongo
 
 - name: mongo | create mongodb symlink
-  file: src=/mnt/mongodb dest=/var/lib/mongodb state=link
+  file: src={{ storage_base_dir }}/mongodb dest=/var/lib/mongodb state=link
   tags: mongo
 
 - name: mongo | copy configuration template

playbooks/roles/notifier/defaults/main.yml

@@ -38,7 +38,7 @@ NOTIFIER_USER_SERVICE_HTTP_AUTH_USER: "guido"
 NOTIFIER_USER_SERVICE_HTTP_AUTH_PASS: "vanrossum"
 NOTIFIER_CELERY_BROKER_URL: "django://"
 
-NOTIFIER_SUPERVISOR_LOG_DEST: "/mnt/logs/supervisor"
+NOTIFIER_SUPERVISOR_LOG_DEST: "{{ storage_base_dir }}/logs/supervisor"
 
 NOTIFER_REQUESTS_CA_BUNDLE: "/etc/ssl/certs/ca-certificates.crt"
 

playbooks/roles/s3fs/tasks/main.yml

@@ -23,7 +23,7 @@
 # Assuming the following config
 #
 # my_role_s3fs_mounts:
-#   - { bucket: "my_bucket", mount_point: "/mnt/s3/my_bucket", owner: "root", group: "adm", mode: "0755" }
+#   - { bucket: "my_bucket", mount_point: "{{ storage_base_dir}}/s3/my_bucket", owner: "root", group: "adm", mode: "0755" }
 #
 # The role would need to include tasks like the following
 #

playbooks/roles/xqueue/defaults/main.yml

@@ -45,7 +45,7 @@ xqueue_env_config:
   XQUEUE_WORKERS_PER_QUEUE: 12
   LOGGING_ENV : $XQUEUE_LOGGING_ENV
   SYSLOG_SERVER: $XQUEUE_SYSLOG_SERVER
-  LOG_DIR : '/mnt/logs/xqueue'
+  LOG_DIR : "{{ storage_base_dir }}/logs/xqueue"
   RABBIT_HOST : $XQUEUE_RABBIT_HOSTNAME
   S3_BUCKET : $XQUEUE_S3_BUCKET
   S3_PATH_PREFIX: $XQUEUE_S3_PATH_PREFIX

playbooks/roles/xserver/defaults/main.yml

@@ -15,7 +15,7 @@ xserver_env_config:
   RUN_URL: $RABBIT_RUN_URL
   GRADER_ROOT: $RABBIT_GRADER_ROOT
   LOGGING_ENV: $RABBIT_LOGGING_ENV
-  LOG_DIR: '/mnt/logs/xserver'
+  LOG_DIR: "{{ storage_base_dir }}/logs/xserver"
   SYSLOG_SERVER: $RABBIT_SYSLOG_SERVER
   SANDBOX_PYTHON: '/opt/edx_apparmor_sandbox/bin/python'