Fix OpenStack requirements installation to happen automatically when the correct variable is passed

playbooks/roles/edxapp/meta/main.yml

@@ -8,3 +8,5 @@ dependencies:
     theme_users:
       - "{{ edxapp_user }}"
     when: "{{ EDXAPP_ENABLE_COMPREHENSIVE_THEMING }}"
+  - role: openstack
+    when: "{{ EDXAPP_USE_SWIFT_STORAGE }}"

playbooks/roles/openstack/tasks/main.yml

@@ -50,17 +50,8 @@
     dest: "{{ COMMON_OBJECT_STORE_LOG_SYNC_SCRIPT }}"
   when: COMMON_OBJECT_STORE_LOG_SYNC
 
-# Install openstack python requirements into {{ edxapp_venv_dir }}
-- name : Install python requirements
-  # Need to use command rather than pip so that we can maintain the context of our current working directory;
-  # some requirements are pathed relative to the edx-platform repo.
-  # Using the pip from inside the virtual environment implicitly installs everything into that virtual environment.
-  command: >
-    {{ edxapp_venv_dir }}/bin/pip install {{ COMMON_PIP_VERBOSITY }} -i {{ COMMON_PYPI_MIRROR_URL }} --exists-action w -r {{ openstack_requirements_file }}
-    chdir={{ edxapp_code_dir }}
-  sudo_user: "{{ edxapp_user }}"
-  environment: "{{ edxapp_environment }}"
-  when: edxapp_code_dir is defined
-  tags:
-    - install
-    - install:app-requirements
+# We want to ensure that OpenStack requirements are installed at the same time as edxapp
+# requirements so that they're available during the initial migration.
+- name: make sure Openstack Python requirements get installed
+  set_fact:
+    edxapp_requirements_files: "{{ edxapp_requirements_files + [openstack_requirements_file] }}"