Ensure python-docutils package is installed

- Use IR fix for setuptools installation [1]
- Restore voting to 'tobiko-tox-infrared-centos-8' job

[1] https://review.gerrithub.io/c/redhat-openstack/infrared/+/501507

Change-Id: I04dafdae5cc62a4c470204e0ba816e9bde522aaf

bindep.txt

@@ -9,8 +9,10 @@ iproute [platform:redhat]
 libffi-devel [platform:redhat]
 make [platform:redhat]
 openssl-devel [platform:redhat]
+python-docutils [platform:rhel-7]
 python3 [platform:redhat]
 python3-devel [platform:redhat !platform:rhel-7]
+python3-docutils [platform:redhat !platform:rhel-7]
 python3-libselinux [platform:redhat]
 python3-setuptools [platform:redhat]
 python3-wheel [platform:redhat]
@@ -24,5 +26,6 @@ git [platform:ubuntu]
 libffi-dev [platform:ubuntu]
 libssl-dev [platform:ubuntu]
 make [platform:ubuntu]
+python-docutils [platform:ubuntu]
 python3 [platform:ubuntu]
 python3-dev [platform:ubuntu]

infrared_plugin/requirements.txt

@@ -1,2 +1,4 @@
-git+https://github.com/redhat-openstack/infrared.git ; python_version < '3.8'
-git+https://review.gerrithub.io/redhat-openstack/infrared@refs/changes/23/493623/12 ; python_version >= '3.8'
+# git+https://github.com/redhat-openstack/infrared.git ; python_version < '3.8'
+# git+https://review.gerrithub.io/redhat-openstack/infrared@refs/changes/23/493623/12 ; python_version >= '3.8'
+
+git+https://review.gerrithub.io/redhat-openstack/infrared@refs/changes/07/501507/1

roles/tests/test_infrared_plugin.yaml

@@ -5,6 +5,9 @@
     test_collect_dir: '{{ test_dir }}/test_results'
 
   roles:
+    - role: tobiko-bindep
+      vars:
+        bindep_file: '{{ test_dir }}/bindep.txt'
     - tobiko-ensure-tox
 
   tasks:

roles/tobiko-bindep/tasks/main.yaml

@@ -17,6 +17,7 @@
       command: >
         '{{ bindep_executable }}' -b -f '{{ bindep_file }}' {{ bindep_profile }}
       when:
+        - check_bindep_file.stat.exists
         - check_bindep_file.stat.readable
       register: run_bindep
       changed_when: no

zuul.d/infrared.yaml

@@ -49,7 +49,7 @@
     name: tobiko-tox-infrared-centos-8
     parent: tobiko-tox-infrared
     nodeset: tobiko-centos-8-2-node
-    voting: false
+    voting: true
     description: |
       Run test cases using tobiko infrared plugin on CentOS 8