Added post-checkout actions for edxapp.

Added actions that would result in static assets for the cms and lms
to be generated after the edxapp has been checked out.

playbooks/roles/deploy/tasks/main.yml

+# Stop all services.
+- name: stop lms service
+  service: name=lms state=stopped
+  tags:
+  - lms
+  - deploy
+
+- name: stop lms-xml service
+  service: name=lms-xml state=stopped
+  tags:
+  - lms-xml
+  - deploy
+
+- name: stop lms-preview service
+  service: name=lms-preview state=stopped
+  tags:
+  - lms-preview
+  - deploy
+
+- name: stop cms service
+  service: name=cms state=stopped
+  tags:
+  - cms
+  - deploy
+
+# Do the checkout.
+# Already done via the edxapp role.
+# Include that here?
+
+# Do Post Checkout Tasks.
+
+# This checks needs to be run to see if rake can be used but its failure should not stop the run.
+- name: check if rake gather_assets is available
+  shell: executable=/bin/bash chdir=/opt/wwc/edx-platform rake -T | grep --quiet gather_assets_xxx
+  environment: "{{ deploy_environment }}"
+  register: grep_gather_assets 
+  ignore_errors: yes
+  tags:
+  - lms
+  - lms-preview
+  - lms-xml
+  - cms
+  - deploy
+
+- name: check if django can collect lms static data
+  shell: SERVICE_VARIANT={{ LMS_VARIANT }} django-admin.py help collectstatic --pythonpath=/opt/wwc/edx-platform --settings=lms.envs.aws
+  register: check_lms_collect_static
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - lms
+  - lms-preview
+  - lms-xml
+  - deploy
+
+- name: check if django can collect cms static data
+  shell: SERVICE_VARIANT={{ LMS_VARIANT }} django-admin.py help collectstatic --pythonpath=/opt/wwc/edx-platform --settings=cms.envs.aws
+  register: check_cms_collect_static
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - cms
+  - deploy
+
+- name: check if django can update cms templates
+  shell: SERVICE_VARIANT={{ CMS_VARIANT }} django-admin.py help update_templates --pythonpath=/opt/wwc/edx-platform --settings=cms.envs.aws
+  register: check_cms_update_templates
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - cms
+  - deploy
+
+# Gather lms assets using rake if possible
+- name: gather lms static assets with rake
+  shell: executable=/bin/bash chdir=/opt/wwc/edx-platform SERVICE_VARIANT={{ LMS_VARIANT }} rake lms:gather_assets:aws
+  when: grep_gather_assets.rc == 0
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - lms
+  - lms-preview
+  - lms-xml
+  - deploy
+
+# Gather lms assets using django if necessary(When rake doesn't know how)
+- name: gather lms static assets with django
+  shell: SERVICE_VARIANT={{ LMS_VARIANT }} django-admin.py collectstatic --pythonpath=/opt/wwc/edx-platform --settings=lms.envs.aws
+  when: grep_gather_assets.rc != 0 and check_lms_collect_static.rc == 0
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - lms
+  - lms-preview
+  - lms-xml
+  - deploy
+  
+
+# Gather cms assets using rake if possible
+- name: gather cms static assets with rake
+#  script: gather_assets.sh
+  shell: executable=/bin/bash chdir=/opt/wwc/edx-platform SERVICE_VARIANT={{ CMS_VARIANT }} rake cms:gather_assets:aws
+  when: grep_gather_assets.rc == 0
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - cms
+  - deploy
+
+- name: gather cms static assets with django
+  shell: SERVICE_VARIANT={{ CMS_VARIANT }} django-admin.py collectstatic --pythonpath=/opt/wwc/edx-platform --settings=lms.envs.aws --noinput --verbosity=0
+  when: grep_gather_assets.rc != 0 and check_cms_collect_static.rc == 0
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - cms
+  - deploy
+
+- name: update cms templates
+  shell: SERVICE_VARIANT={{ CMS_VARIANT }} django-admin.py update_templates --pythonpath=/opt/wwc/edx-platform --settings=cms.envs.aws
+  when: check_cms_update_templates.rc == 0
+  sudo: yes
+  sudo_user: www-data
+  environment: "{{ deploy_environment }}"
+  tags:
+  - cms
+  - deploy
+
+# Start all services.

playbooks/roles/deploy/vars/main.yml

+# Variables used to deploy the CMS and LMS
+
+LMS_VARIANT: lms
+CMS_VARIANT: cms
+#PATH: /opt/www/.rbenv/shims:/opt/www/.rbenv/bin:/opt/wwc/edx-platfgorm/bin:$$PATH
+
+deploy_environment:
+  NO_PREREQ_INSTALL: 1
+  SKIP_WS_MIGRATIONS: 1
+  RBENV_ROOT: /opt/www/.rbenv
+  GEM_HOME: /opt/www/.gem
+  PATH: /opt/edx/bin:/opt/wwc/edx-platform/bin:/opt/www/.rbenv/bin:/opt/www/.rbenv/shims:/opt/www/.gem/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games