majic-ansible-roles Changeset

Changeset - 71bc6c4991f8

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Branko Majic (branko) - 6 years ago 2018-08-05 14:13:04
branko@majic.rs

MAR-132: Fix virtual environment set-up in wsgi_website role:

- Install more up-to-date version of pip. This fixes some issues
related to pip freeze detecting argparse and wsgiref in virtualenv
as separate packages.
- Remove the pkg-resources package from virtualenv. Workaround for
Debian-specific behaviour. More details at:
- https://github.com/pypa/pip/issues/4022
- https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1635463
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871790
- Deploy Gunicorn requirements file without switching to website admin
user (otherwise Ansible fails to template the file due to
permissions restrictions).
- Updated test for checking packages installed in the virtualenv.

3 files changed with 21 insertions and 6 deletions:

roles/wsgi_website/molecule/default/tests/test_default.py

roles/wsgi_website/tasks/main.yml

roles/wsgi_website/tasks/requirements.yml

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roles/wsgi_website/molecule/default/tests/test_default.py

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 @pytest.mark.parametrize("admin_user, pip_path, expected_packages",  [
     ('admin-parameters-mandatory', '/var/www/parameters-mandatory/virtualenv/bin/pip', [
         "argparse==1.2.1",
         "futures==3.2.0",
         "gunicorn==19.9.0",
         "wsgiref==0.1.2"
     ]),
     ('admin-parameters-optional_local', '/var/www/parameters-optional.local/virtualenv/bin/pip', [
         "Pygments==2.2.0",
         "PasteDeploy==1.5.2",
         "PasteScript==2.0.2",
         "Werkzeug==0.12.2",
         "argparse==1.2.1",
         "click==6.7",
         "futures==3.1.0",
         "gunicorn==19.7.0",
         "itsdangerous==0.24",
         "six==1.10.0",
         "wsgiref==0.1.2",
     ]),
 ])
 def test_virtualenv_packages(host, admin_user, pip_path, expected_packages):

roles/wsgi_website/tasks/main.yml

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@@ @@ -122,6 +122,27 @@ @@
     #   created (thanks to 'creates' parameter).
     - skip_ansible_lint
 - name: Install latest pip in virtual environment
   pip:
     name:
       - "pip>=18.0.0,<19.0.0"
     virtualenv: "{{ home }}/virtualenv"
   become: true
   become_user: "{{ admin }}"
 # Workaround for:
+#
 # - https://github.com/pypa/pip/issues/4022
 # - https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1635463
 # - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871790
 - name: Remove the pkg-resources package from virtual environment (see comments above for details)
   pip:
     name: pkg-resources
     virtualenv: "{{ home }}/virtualenv"
     state: absent
   become: true
   become_user: "{{ admin }}"
 - name: Configure project directory for the Python virtual environment
   template:
     src: "venv_project.j2"

roles/wsgi_website/tasks/requirements.yml

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@@ @@ -20,8 +20,6 @@ @@
     - wsgi_requirements.txt
 - name: Deploy Gunicorn requirements file for installation purposes
   become: true
   become_user: "{{ admin }}"
   template:
     src: "wsgi_requirements.txt.j2"
     dest: "{{ home }}/.wsgi_requirements.txt"

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