[fix] Fix failing redis installation on Ubuntu 20.04

- Increased minor versions

.github/workflows/ci.yml

@@ -35,7 +35,6 @@ jobs:
       - name: Set default python version
         run: sudo update-alternatives --install /usr/bin/python python ${pythonLocation}/bin/python3.8 2
 
-
       - name: Install python dependencies
         run: |
           pip install molecule[docker,ansible] molecule-docker yamllint ansible-lint docker openwisp-utils[qa]
@@ -47,7 +46,10 @@ jobs:
           openwisp-qa-check --skip-isort --skip-flake8 --skip-checkmigrations --skip-black
 
       - name: Tests
-        run: molecule test
+        run: |
+          mkdir -p ~/.ansible/roles
+          ln -s $GITHUB_WORKSPACE ~/.ansible/roles/openwisp.openwisp2
+          molecule test
         env:
           ROLE_NAME: openwisp2
           PY_COLORS: '1'

defaults/main.yml

@@ -8,11 +8,11 @@ openwisp2_monitoring: true
 openwisp2_radius: false
 openwisp2_controller_subnet_division: false
 openwisp2_radius_urls: "{{ openwisp2_radius }}"
-openwisp2_controller_version: "openwisp-controller~=1.0.0"
+openwisp2_controller_version: "openwisp-controller~=1.0.1"
 openwisp2_network_topology_version: "openwisp-network-topology~=1.0.0"
 openwisp2_firmware_upgrader_version: "openwisp-firmware-upgrader~=1.0.0"
 openwisp2_monitoring_version: "openwisp-monitoring~=1.0.0"
-openwisp2_radius_version: "openwisp-radius~=1.0.0"
+openwisp2_radius_version: "openwisp-radius~=1.0.1"
 openwisp2_django_version: "{{ 'django~=4.0.0' if ansible_distribution_release|string in ['focal', 'bullseye'] else 'django~=3.2.13' }}"
 openwisp2_extra_python_packages:
     - bpython

tasks/apt.yml

@@ -36,35 +36,14 @@
   register: result
   until: result is success
 
-- name: Install redis 6 if available
+- name: Install redis
   apt:
-    name: "redis-server=5:6*"
+    name: redis-server
   notify:
     - reload systemd
     - start redis
-  ignore_errors: true
-  register: use_redis6
   when: openwisp2_redis_install
 
-- name: Install redis 5 if available
-  apt:
-    name: "redis-server=5:5*"
-  notify:
-    - reload systemd
-    - start redis
-  ignore_errors: true
-  register: use_redis5
-  when: openwisp2_redis_install and use_redis6 is failed
-
-- name: Install redis 4 (fallback)
-  when: openwisp2_redis_install and (use_redis5 is failed and use_redis6 is failed)
-  apt:
-    name: "redis-server=5:4*"
-  register: use_redis4
-  notify:
-    - reload systemd
-    - start redis
-
 # On the newer versions of redis, by default redis
 # binds to localhost on ipv6 address which wouldn't
 # let the service start if the server doesn't have
@@ -77,6 +56,7 @@
     regexp: '^bind 127\.0\.0\.1 ::1'
     line: 'bind 127.0.0.1'
     backrefs: true
+  ignore_errors: true
 
 - name: start redis
   when: openwisp2_redis_install
@@ -189,7 +169,7 @@
     - name: Set python 3.7
       set_fact:
         openwisp2_python: python3.7
-  when: openwisp2_should_install_python_37 == "True\n"
+  when: openwisp2_should_install_python_37 == true
 
 - name: Install python3 packages
   apt:

tasks/pip.yml

@@ -54,11 +54,27 @@
   tags:
     - molecule-idempotence-notest
 
-- name: Pin channels_redis to 2.4 for redis 4 compatibility
-  when: use_redis4 is defined and use_redis4 is succeeded
+- name: Install channels-redis~=3.4.0
+  when: ansible_distribution_release not in ['buster', 'bionic']
   pip:
     name:
-      - channels_redis~=2.4
+      - channels-redis~=3.4.0
+    state: latest
+    virtualenv: "{{ virtualenv_path }}"
+    virtualenv_python: "{{ openwisp2_python }}"
+    virtualenv_site_packages: true
+  environment:
+    SETUPTOOLS_USE_DISTUTILS: stdlib
+  retries: 1
+  delay: 10
+  register: result
+  until: result is success
+
+- name: Install channels-redis~=2.4.0 for redis 4 compatibility
+  when: ansible_distribution_release in ['buster', 'bionic']
+  pip:
+    name:
+      - channels-redis~=2.4.0
     state: latest
     virtualenv: "{{ virtualenv_path }}"
     virtualenv_python: "{{ openwisp2_python }}"